senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "SkLightingImageFilter.h" |
| 9 | #include "SkBitmap.h" |
| 10 | #include "SkColorPriv.h" |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 11 | #include "SkPoint3.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 12 | #include "SkReadBuffer.h" |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 13 | #include "SkSpecialImage.h" |
tomhudson@google.com | 300f562 | 2012-07-20 14:15:22 +0000 | [diff] [blame] | 14 | #include "SkTypes.h" |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 15 | #include "SkWriteBuffer.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 16 | |
| 17 | #if SK_SUPPORT_GPU |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 18 | #include "GrContext.h" |
csmartdalton | 02fa32c | 2016-08-19 13:29:27 -0700 | [diff] [blame] | 19 | #include "GrFixedClip.h" |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 20 | #include "GrFragmentProcessor.h" |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 21 | #include "GrPaint.h" |
Robert Phillips | 7f6cd90 | 2016-11-10 17:03:43 -0500 | [diff] [blame] | 22 | #include "GrRenderTargetContext.h" |
| 23 | #include "GrTextureProxy.h" |
| 24 | |
robertphillips | 1de87df | 2016-01-14 06:03:29 -0800 | [diff] [blame] | 25 | #include "SkGr.h" |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 26 | #include "effects/GrSingleTextureEffect.h" |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 27 | #include "effects/GrTextureDomain.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 28 | #include "glsl/GrGLSLFragmentProcessor.h" |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 29 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 30 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 31 | #include "glsl/GrGLSLUniformHandler.h" |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 32 | #include "../private/GrGLSL.h" |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 33 | |
| 34 | class GrGLDiffuseLightingEffect; |
| 35 | class GrGLSpecularLightingEffect; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 36 | |
bsalomon@google.com | dbbc4e2 | 2012-07-25 17:48:39 +0000 | [diff] [blame] | 37 | // For brevity |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 38 | typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 39 | #endif |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 40 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 41 | namespace { |
| 42 | |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 43 | const SkScalar gOneThird = SkIntToScalar(1) / 3; |
| 44 | const SkScalar gTwoThirds = SkIntToScalar(2) / 3; |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 45 | const SkScalar gOneHalf = 0.5f; |
| 46 | const SkScalar gOneQuarter = 0.25f; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 47 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 48 | #if SK_SUPPORT_GPU |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 49 | void setUniformPoint3(const GrGLSLProgramDataManager& pdman, UniformHandle uni, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 50 | const SkPoint3& point) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 51 | GR_STATIC_ASSERT(sizeof(SkPoint3) == 3 * sizeof(float)); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 52 | pdman.set3fv(uni, 1, &point.fX); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 53 | } |
| 54 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 55 | void setUniformNormal3(const GrGLSLProgramDataManager& pdman, UniformHandle uni, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 56 | const SkPoint3& point) { |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 57 | setUniformPoint3(pdman, uni, point); |
senorblanco@chromium.org | f4770d7 | 2012-07-13 18:25:06 +0000 | [diff] [blame] | 58 | } |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 59 | #endif |
senorblanco@chromium.org | f4770d7 | 2012-07-13 18:25:06 +0000 | [diff] [blame] | 60 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 61 | // Shift matrix components to the left, as we advance pixels to the right. |
| 62 | inline void shiftMatrixLeft(int m[9]) { |
| 63 | m[0] = m[1]; |
| 64 | m[3] = m[4]; |
| 65 | m[6] = m[7]; |
| 66 | m[1] = m[2]; |
| 67 | m[4] = m[5]; |
| 68 | m[7] = m[8]; |
| 69 | } |
| 70 | |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 71 | static inline void fast_normalize(SkPoint3* vector) { |
| 72 | // add a tiny bit so we don't have to worry about divide-by-zero |
| 73 | SkScalar magSq = vector->dot(*vector) + SK_ScalarNearlyZero; |
| 74 | SkScalar scale = sk_float_rsqrt(magSq); |
| 75 | vector->fX *= scale; |
| 76 | vector->fY *= scale; |
| 77 | vector->fZ *= scale; |
| 78 | } |
| 79 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 80 | class DiffuseLightingType { |
| 81 | public: |
| 82 | DiffuseLightingType(SkScalar kd) |
| 83 | : fKD(kd) {} |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 84 | SkPMColor light(const SkPoint3& normal, const SkPoint3& surfaceTolight, |
| 85 | const SkPoint3& lightColor) const { |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 86 | SkScalar colorScale = fKD * normal.dot(surfaceTolight); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 87 | colorScale = SkScalarClampMax(colorScale, SK_Scalar1); |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 88 | SkPoint3 color = lightColor.makeScale(colorScale); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 89 | return SkPackARGB32(255, |
senorblanco@chromium.org | b9c9597 | 2014-03-19 19:44:41 +0000 | [diff] [blame] | 90 | SkClampMax(SkScalarRoundToInt(color.fX), 255), |
| 91 | SkClampMax(SkScalarRoundToInt(color.fY), 255), |
| 92 | SkClampMax(SkScalarRoundToInt(color.fZ), 255)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 93 | } |
| 94 | private: |
| 95 | SkScalar fKD; |
| 96 | }; |
| 97 | |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 98 | static SkScalar max_component(const SkPoint3& p) { |
| 99 | return p.x() > p.y() ? (p.x() > p.z() ? p.x() : p.z()) : (p.y() > p.z() ? p.y() : p.z()); |
| 100 | } |
| 101 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 102 | class SpecularLightingType { |
| 103 | public: |
| 104 | SpecularLightingType(SkScalar ks, SkScalar shininess) |
| 105 | : fKS(ks), fShininess(shininess) {} |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 106 | SkPMColor light(const SkPoint3& normal, const SkPoint3& surfaceTolight, |
| 107 | const SkPoint3& lightColor) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 108 | SkPoint3 halfDir(surfaceTolight); |
| 109 | halfDir.fZ += SK_Scalar1; // eye position is always (0, 0, 1) |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 110 | fast_normalize(&halfDir); |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 111 | SkScalar colorScale = fKS * SkScalarPow(normal.dot(halfDir), fShininess); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 112 | colorScale = SkScalarClampMax(colorScale, SK_Scalar1); |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 113 | SkPoint3 color = lightColor.makeScale(colorScale); |
| 114 | return SkPackARGB32(SkClampMax(SkScalarRoundToInt(max_component(color)), 255), |
senorblanco@chromium.org | b9c9597 | 2014-03-19 19:44:41 +0000 | [diff] [blame] | 115 | SkClampMax(SkScalarRoundToInt(color.fX), 255), |
| 116 | SkClampMax(SkScalarRoundToInt(color.fY), 255), |
| 117 | SkClampMax(SkScalarRoundToInt(color.fZ), 255)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 118 | } |
| 119 | private: |
| 120 | SkScalar fKS; |
| 121 | SkScalar fShininess; |
| 122 | }; |
| 123 | |
| 124 | inline SkScalar sobel(int a, int b, int c, int d, int e, int f, SkScalar scale) { |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 125 | return (-a + b - 2 * c + 2 * d -e + f) * scale; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | inline SkPoint3 pointToNormal(SkScalar x, SkScalar y, SkScalar surfaceScale) { |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 129 | SkPoint3 vector = SkPoint3::Make(-x * surfaceScale, -y * surfaceScale, 1); |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 130 | fast_normalize(&vector); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 131 | return vector; |
| 132 | } |
| 133 | |
| 134 | inline SkPoint3 topLeftNormal(int m[9], SkScalar surfaceScale) { |
| 135 | return pointToNormal(sobel(0, 0, m[4], m[5], m[7], m[8], gTwoThirds), |
| 136 | sobel(0, 0, m[4], m[7], m[5], m[8], gTwoThirds), |
| 137 | surfaceScale); |
| 138 | } |
| 139 | |
| 140 | inline SkPoint3 topNormal(int m[9], SkScalar surfaceScale) { |
| 141 | return pointToNormal(sobel( 0, 0, m[3], m[5], m[6], m[8], gOneThird), |
| 142 | sobel(m[3], m[6], m[4], m[7], m[5], m[8], gOneHalf), |
| 143 | surfaceScale); |
| 144 | } |
| 145 | |
| 146 | inline SkPoint3 topRightNormal(int m[9], SkScalar surfaceScale) { |
| 147 | return pointToNormal(sobel( 0, 0, m[3], m[4], m[6], m[7], gTwoThirds), |
| 148 | sobel(m[3], m[6], m[4], m[7], 0, 0, gTwoThirds), |
| 149 | surfaceScale); |
| 150 | } |
| 151 | |
| 152 | inline SkPoint3 leftNormal(int m[9], SkScalar surfaceScale) { |
| 153 | return pointToNormal(sobel(m[1], m[2], m[4], m[5], m[7], m[8], gOneHalf), |
| 154 | sobel( 0, 0, m[1], m[7], m[2], m[8], gOneThird), |
| 155 | surfaceScale); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | inline SkPoint3 interiorNormal(int m[9], SkScalar surfaceScale) { |
| 160 | return pointToNormal(sobel(m[0], m[2], m[3], m[5], m[6], m[8], gOneQuarter), |
| 161 | sobel(m[0], m[6], m[1], m[7], m[2], m[8], gOneQuarter), |
| 162 | surfaceScale); |
| 163 | } |
| 164 | |
| 165 | inline SkPoint3 rightNormal(int m[9], SkScalar surfaceScale) { |
| 166 | return pointToNormal(sobel(m[0], m[1], m[3], m[4], m[6], m[7], gOneHalf), |
| 167 | sobel(m[0], m[6], m[1], m[7], 0, 0, gOneThird), |
| 168 | surfaceScale); |
| 169 | } |
| 170 | |
| 171 | inline SkPoint3 bottomLeftNormal(int m[9], SkScalar surfaceScale) { |
| 172 | return pointToNormal(sobel(m[1], m[2], m[4], m[5], 0, 0, gTwoThirds), |
| 173 | sobel( 0, 0, m[1], m[4], m[2], m[5], gTwoThirds), |
| 174 | surfaceScale); |
| 175 | } |
| 176 | |
| 177 | inline SkPoint3 bottomNormal(int m[9], SkScalar surfaceScale) { |
| 178 | return pointToNormal(sobel(m[0], m[2], m[3], m[5], 0, 0, gOneThird), |
| 179 | sobel(m[0], m[3], m[1], m[4], m[2], m[5], gOneHalf), |
| 180 | surfaceScale); |
| 181 | } |
| 182 | |
| 183 | inline SkPoint3 bottomRightNormal(int m[9], SkScalar surfaceScale) { |
| 184 | return pointToNormal(sobel(m[0], m[1], m[3], m[4], 0, 0, gTwoThirds), |
| 185 | sobel(m[0], m[3], m[1], m[4], 0, 0, gTwoThirds), |
| 186 | surfaceScale); |
| 187 | } |
| 188 | |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 189 | |
| 190 | class UncheckedPixelFetcher { |
| 191 | public: |
| 192 | static inline uint32_t Fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { |
| 193 | return SkGetPackedA32(*src.getAddr32(x, y)); |
| 194 | } |
| 195 | }; |
| 196 | |
| 197 | // The DecalPixelFetcher is used when the destination crop rect exceeds the input bitmap bounds. |
| 198 | class DecalPixelFetcher { |
| 199 | public: |
| 200 | static inline uint32_t Fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { |
| 201 | if (x < bounds.fLeft || x >= bounds.fRight || y < bounds.fTop || y >= bounds.fBottom) { |
| 202 | return 0; |
| 203 | } else { |
| 204 | return SkGetPackedA32(*src.getAddr32(x, y)); |
| 205 | } |
| 206 | } |
| 207 | }; |
| 208 | |
| 209 | template <class LightingType, class LightType, class PixelFetcher> |
| 210 | void lightBitmap(const LightingType& lightingType, |
| 211 | const SkImageFilterLight* light, |
| 212 | const SkBitmap& src, |
| 213 | SkBitmap* dst, |
| 214 | SkScalar surfaceScale, |
| 215 | const SkIRect& bounds) { |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 216 | SkASSERT(dst->width() == bounds.width() && dst->height() == bounds.height()); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 217 | const LightType* l = static_cast<const LightType*>(light); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 218 | int left = bounds.left(), right = bounds.right(); |
| 219 | int bottom = bounds.bottom(); |
| 220 | int y = bounds.top(); |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 221 | SkIRect srcBounds = src.bounds(); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 222 | SkPMColor* dptr = dst->getAddr32(0, 0); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 223 | { |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 224 | int x = left; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 225 | int m[9]; |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 226 | m[4] = PixelFetcher::Fetch(src, x, y, srcBounds); |
| 227 | m[5] = PixelFetcher::Fetch(src, x + 1, y, srcBounds); |
| 228 | m[7] = PixelFetcher::Fetch(src, x, y + 1, srcBounds); |
| 229 | m[8] = PixelFetcher::Fetch(src, x + 1, y + 1, srcBounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 230 | SkPoint3 surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 231 | *dptr++ = lightingType.light(topLeftNormal(m, surfaceScale), surfaceToLight, |
| 232 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 233 | for (++x; x < right - 1; ++x) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 234 | { |
| 235 | shiftMatrixLeft(m); |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 236 | m[5] = PixelFetcher::Fetch(src, x + 1, y, srcBounds); |
| 237 | m[8] = PixelFetcher::Fetch(src, x + 1, y + 1, srcBounds); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 238 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 239 | *dptr++ = lightingType.light(topNormal(m, surfaceScale), surfaceToLight, |
| 240 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 241 | } |
| 242 | shiftMatrixLeft(m); |
| 243 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 244 | *dptr++ = lightingType.light(topRightNormal(m, surfaceScale), surfaceToLight, |
| 245 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 246 | } |
| 247 | |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 248 | for (++y; y < bottom - 1; ++y) { |
| 249 | int x = left; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 250 | int m[9]; |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 251 | m[1] = PixelFetcher::Fetch(src, x, y - 1, srcBounds); |
| 252 | m[2] = PixelFetcher::Fetch(src, x + 1, y - 1, srcBounds); |
| 253 | m[4] = PixelFetcher::Fetch(src, x, y, srcBounds); |
| 254 | m[5] = PixelFetcher::Fetch(src, x + 1, y, srcBounds); |
| 255 | m[7] = PixelFetcher::Fetch(src, x, y + 1, srcBounds); |
| 256 | m[8] = PixelFetcher::Fetch(src, x + 1, y + 1, srcBounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 257 | SkPoint3 surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 258 | *dptr++ = lightingType.light(leftNormal(m, surfaceScale), surfaceToLight, |
| 259 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 260 | for (++x; x < right - 1; ++x) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 261 | shiftMatrixLeft(m); |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 262 | m[2] = PixelFetcher::Fetch(src, x + 1, y - 1, srcBounds); |
| 263 | m[5] = PixelFetcher::Fetch(src, x + 1, y, srcBounds); |
| 264 | m[8] = PixelFetcher::Fetch(src, x + 1, y + 1, srcBounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 265 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 266 | *dptr++ = lightingType.light(interiorNormal(m, surfaceScale), surfaceToLight, |
| 267 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 268 | } |
| 269 | shiftMatrixLeft(m); |
| 270 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 271 | *dptr++ = lightingType.light(rightNormal(m, surfaceScale), surfaceToLight, |
| 272 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | { |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 276 | int x = left; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 277 | int m[9]; |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 278 | m[1] = PixelFetcher::Fetch(src, x, bottom - 2, srcBounds); |
| 279 | m[2] = PixelFetcher::Fetch(src, x + 1, bottom - 2, srcBounds); |
| 280 | m[4] = PixelFetcher::Fetch(src, x, bottom - 1, srcBounds); |
| 281 | m[5] = PixelFetcher::Fetch(src, x + 1, bottom - 1, srcBounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 282 | SkPoint3 surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 283 | *dptr++ = lightingType.light(bottomLeftNormal(m, surfaceScale), surfaceToLight, |
| 284 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 285 | for (++x; x < right - 1; ++x) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 286 | { |
| 287 | shiftMatrixLeft(m); |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 288 | m[2] = PixelFetcher::Fetch(src, x + 1, bottom - 2, srcBounds); |
| 289 | m[5] = PixelFetcher::Fetch(src, x + 1, bottom - 1, srcBounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 290 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 291 | *dptr++ = lightingType.light(bottomNormal(m, surfaceScale), surfaceToLight, |
| 292 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 293 | } |
| 294 | shiftMatrixLeft(m); |
| 295 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 296 | *dptr++ = lightingType.light(bottomRightNormal(m, surfaceScale), surfaceToLight, |
| 297 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 298 | } |
| 299 | } |
| 300 | |
senorblanco | 84f0e74 | 2016-02-16 13:26:56 -0800 | [diff] [blame] | 301 | template <class LightingType, class LightType> |
| 302 | void lightBitmap(const LightingType& lightingType, |
| 303 | const SkImageFilterLight* light, |
| 304 | const SkBitmap& src, |
| 305 | SkBitmap* dst, |
| 306 | SkScalar surfaceScale, |
| 307 | const SkIRect& bounds) { |
| 308 | if (src.bounds().contains(bounds)) { |
| 309 | lightBitmap<LightingType, LightType, UncheckedPixelFetcher>( |
| 310 | lightingType, light, src, dst, surfaceScale, bounds); |
| 311 | } else { |
| 312 | lightBitmap<LightingType, LightType, DecalPixelFetcher>( |
| 313 | lightingType, light, src, dst, surfaceScale, bounds); |
| 314 | } |
| 315 | } |
| 316 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 317 | SkPoint3 readPoint3(SkReadBuffer& buffer) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 318 | SkPoint3 point; |
| 319 | point.fX = buffer.readScalar(); |
| 320 | point.fY = buffer.readScalar(); |
| 321 | point.fZ = buffer.readScalar(); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 322 | buffer.validate(SkScalarIsFinite(point.fX) && |
| 323 | SkScalarIsFinite(point.fY) && |
| 324 | SkScalarIsFinite(point.fZ)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 325 | return point; |
| 326 | }; |
| 327 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 328 | void writePoint3(const SkPoint3& point, SkWriteBuffer& buffer) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 329 | buffer.writeScalar(point.fX); |
| 330 | buffer.writeScalar(point.fY); |
| 331 | buffer.writeScalar(point.fZ); |
| 332 | }; |
| 333 | |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 334 | enum BoundaryMode { |
| 335 | kTopLeft_BoundaryMode, |
| 336 | kTop_BoundaryMode, |
| 337 | kTopRight_BoundaryMode, |
| 338 | kLeft_BoundaryMode, |
| 339 | kInterior_BoundaryMode, |
| 340 | kRight_BoundaryMode, |
| 341 | kBottomLeft_BoundaryMode, |
| 342 | kBottom_BoundaryMode, |
| 343 | kBottomRight_BoundaryMode, |
| 344 | |
| 345 | kBoundaryModeCount, |
| 346 | }; |
| 347 | |
| 348 | class SkLightingImageFilterInternal : public SkLightingImageFilter { |
| 349 | protected: |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 350 | SkLightingImageFilterInternal(sk_sp<SkImageFilterLight> light, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 351 | SkScalar surfaceScale, |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 352 | sk_sp<SkImageFilter> input, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 353 | const CropRect* cropRect) |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 354 | : INHERITED(std::move(light), surfaceScale, std::move(input), cropRect) { |
| 355 | } |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 356 | |
| 357 | #if SK_SUPPORT_GPU |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 358 | sk_sp<SkSpecialImage> filterImageGPU(SkSpecialImage* source, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 359 | SkSpecialImage* input, |
| 360 | const SkIRect& bounds, |
brianosman | 2a75e5d | 2016-09-22 07:15:37 -0700 | [diff] [blame] | 361 | const SkMatrix& matrix, |
| 362 | const OutputProperties& outputProperties) const; |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 363 | virtual sk_sp<GrFragmentProcessor> makeFragmentProcessor(GrResourceProvider*, |
| 364 | sk_sp<GrTextureProxy>, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 365 | const SkMatrix&, |
| 366 | const SkIRect* srcBounds, |
| 367 | BoundaryMode boundaryMode) const = 0; |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 368 | #endif |
| 369 | private: |
| 370 | #if SK_SUPPORT_GPU |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 371 | void drawRect(GrRenderTargetContext*, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 372 | sk_sp<GrTextureProxy> srcProxy, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 373 | const SkMatrix& matrix, |
| 374 | const GrClip& clip, |
| 375 | const SkRect& dstRect, |
| 376 | BoundaryMode boundaryMode, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 377 | const SkIRect* srcBounds, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 378 | const SkIRect& bounds) const; |
| 379 | #endif |
| 380 | typedef SkLightingImageFilter INHERITED; |
| 381 | }; |
| 382 | |
| 383 | #if SK_SUPPORT_GPU |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 384 | void SkLightingImageFilterInternal::drawRect(GrRenderTargetContext* renderTargetContext, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 385 | sk_sp<GrTextureProxy> srcProxy, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 386 | const SkMatrix& matrix, |
| 387 | const GrClip& clip, |
| 388 | const SkRect& dstRect, |
| 389 | BoundaryMode boundaryMode, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 390 | const SkIRect* srcBounds, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 391 | const SkIRect& bounds) const { |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 392 | GrResourceProvider* resourceProvider = renderTargetContext->resourceProvider(); |
| 393 | |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 394 | SkRect srcRect = dstRect.makeOffset(SkIntToScalar(bounds.x()), SkIntToScalar(bounds.y())); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 395 | GrPaint paint; |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 396 | paint.setGammaCorrect(renderTargetContext->isGammaCorrect()); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 397 | sk_sp<GrFragmentProcessor> fp(this->makeFragmentProcessor(resourceProvider, std::move(srcProxy), |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 398 | matrix, srcBounds, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 399 | boundaryMode)); |
| 400 | paint.addColorFragmentProcessor(std::move(fp)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 401 | paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
Brian Salomon | 82f4431 | 2017-01-11 13:42:54 -0500 | [diff] [blame] | 402 | renderTargetContext->fillRectToRect(clip, std::move(paint), GrAA::kNo, SkMatrix::I(), dstRect, |
| 403 | srcRect); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 404 | } |
| 405 | |
brianosman | 2a75e5d | 2016-09-22 07:15:37 -0700 | [diff] [blame] | 406 | sk_sp<SkSpecialImage> SkLightingImageFilterInternal::filterImageGPU( |
| 407 | SkSpecialImage* source, |
| 408 | SkSpecialImage* input, |
| 409 | const SkIRect& offsetBounds, |
| 410 | const SkMatrix& matrix, |
| 411 | const OutputProperties& outputProperties) const { |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 412 | SkASSERT(source->isTextureBacked()); |
| 413 | |
| 414 | GrContext* context = source->getContext(); |
| 415 | |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 416 | sk_sp<GrTextureProxy> inputProxy(input->asTextureProxyRef(context)); |
| 417 | SkASSERT(inputProxy); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 418 | |
Robert Phillips | 7f6cd90 | 2016-11-10 17:03:43 -0500 | [diff] [blame] | 419 | sk_sp<GrRenderTargetContext> renderTargetContext(context->makeDeferredRenderTargetContext( |
| 420 | SkBackingFit::kApprox, offsetBounds.width(), offsetBounds.height(), |
| 421 | GrRenderableConfigForColorSpace(outputProperties.colorSpace()), |
| 422 | sk_ref_sp(outputProperties.colorSpace()))); |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 423 | if (!renderTargetContext) { |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 424 | return nullptr; |
| 425 | } |
| 426 | |
cdalton | 846c051 | 2016-05-13 10:25:00 -0700 | [diff] [blame] | 427 | SkIRect dstIRect = SkIRect::MakeWH(offsetBounds.width(), offsetBounds.height()); |
| 428 | SkRect dstRect = SkRect::Make(dstIRect); |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 429 | |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 430 | // setup new clip |
cdalton | 846c051 | 2016-05-13 10:25:00 -0700 | [diff] [blame] | 431 | GrFixedClip clip(dstIRect); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 432 | |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 433 | const SkIRect inputBounds = SkIRect::MakeWH(input->width(), input->height()); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 434 | SkRect topLeft = SkRect::MakeXYWH(0, 0, 1, 1); |
| 435 | SkRect top = SkRect::MakeXYWH(1, 0, dstRect.width() - 2, 1); |
| 436 | SkRect topRight = SkRect::MakeXYWH(dstRect.width() - 1, 0, 1, 1); |
| 437 | SkRect left = SkRect::MakeXYWH(0, 1, 1, dstRect.height() - 2); |
| 438 | SkRect interior = dstRect.makeInset(1, 1); |
| 439 | SkRect right = SkRect::MakeXYWH(dstRect.width() - 1, 1, 1, dstRect.height() - 2); |
| 440 | SkRect bottomLeft = SkRect::MakeXYWH(0, dstRect.height() - 1, 1, 1); |
| 441 | SkRect bottom = SkRect::MakeXYWH(1, dstRect.height() - 1, dstRect.width() - 2, 1); |
| 442 | SkRect bottomRight = SkRect::MakeXYWH(dstRect.width() - 1, dstRect.height() - 1, 1, 1); |
robertphillips | ea46150 | 2015-05-26 11:38:03 -0700 | [diff] [blame] | 443 | |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 444 | const SkIRect* pSrcBounds = inputBounds.contains(offsetBounds) ? nullptr : &inputBounds; |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 445 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, topLeft, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 446 | kTopLeft_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 447 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, top, |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 448 | kTop_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 449 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, topRight, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 450 | kTopRight_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 451 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, left, |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 452 | kLeft_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 453 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, interior, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 454 | kInterior_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 455 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, right, |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 456 | kRight_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 457 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, bottomLeft, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 458 | kBottomLeft_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 459 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, bottom, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 460 | kBottom_BoundaryMode, pSrcBounds, offsetBounds); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 461 | this->drawRect(renderTargetContext.get(), inputProxy, matrix, clip, bottomRight, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 462 | kBottomRight_BoundaryMode, pSrcBounds, offsetBounds); |
robertphillips | ea46150 | 2015-05-26 11:38:03 -0700 | [diff] [blame] | 463 | |
Robert Phillips | 7f6cd90 | 2016-11-10 17:03:43 -0500 | [diff] [blame] | 464 | return SkSpecialImage::MakeDeferredFromGpu( |
| 465 | context, |
| 466 | SkIRect::MakeWH(offsetBounds.width(), offsetBounds.height()), |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 467 | kNeedNewImageUniqueID_SpecialImage, |
Robert Phillips | f200a90 | 2017-01-30 13:27:37 -0500 | [diff] [blame] | 468 | renderTargetContext->asTextureProxyRef(), |
Robert Phillips | 75a475c | 2017-01-13 09:18:59 -0500 | [diff] [blame] | 469 | renderTargetContext->refColorSpace()); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 470 | } |
| 471 | #endif |
| 472 | |
| 473 | class SkDiffuseLightingImageFilter : public SkLightingImageFilterInternal { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 474 | public: |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 475 | static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilterLight> light, |
| 476 | SkScalar surfaceScale, |
| 477 | SkScalar kd, |
| 478 | sk_sp<SkImageFilter>, |
| 479 | const CropRect*); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 480 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 481 | SK_TO_STRING_OVERRIDE() |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 482 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDiffuseLightingImageFilter) |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 483 | SkScalar kd() const { return fKD; } |
| 484 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 485 | protected: |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 486 | SkDiffuseLightingImageFilter(sk_sp<SkImageFilterLight> light, SkScalar surfaceScale, |
| 487 | SkScalar kd, |
| 488 | sk_sp<SkImageFilter> input, const CropRect* cropRect); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 489 | void flatten(SkWriteBuffer& buffer) const override; |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 490 | |
| 491 | sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, |
| 492 | SkIPoint* offset) const override; |
| 493 | |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 494 | #if SK_SUPPORT_GPU |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 495 | sk_sp<GrFragmentProcessor> makeFragmentProcessor(GrResourceProvider*, sk_sp<GrTextureProxy>, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 496 | const SkMatrix&, const SkIRect* bounds, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 497 | BoundaryMode) const override; |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 498 | #endif |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 499 | |
| 500 | private: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 501 | friend class SkLightingImageFilter; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 502 | SkScalar fKD; |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 503 | |
| 504 | typedef SkLightingImageFilterInternal INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 505 | }; |
| 506 | |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 507 | class SkSpecularLightingImageFilter : public SkLightingImageFilterInternal { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 508 | public: |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 509 | static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilterLight> light, |
| 510 | SkScalar surfaceScale, |
| 511 | SkScalar ks, SkScalar shininess, |
| 512 | sk_sp<SkImageFilter>, const CropRect*); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 513 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 514 | SK_TO_STRING_OVERRIDE() |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 515 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSpecularLightingImageFilter) |
| 516 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 517 | SkScalar ks() const { return fKS; } |
| 518 | SkScalar shininess() const { return fShininess; } |
| 519 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 520 | protected: |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 521 | SkSpecularLightingImageFilter(sk_sp<SkImageFilterLight> light, |
| 522 | SkScalar surfaceScale, SkScalar ks, |
| 523 | SkScalar shininess, |
| 524 | sk_sp<SkImageFilter> input, const CropRect*); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 525 | void flatten(SkWriteBuffer& buffer) const override; |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 526 | |
| 527 | sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, |
| 528 | SkIPoint* offset) const override; |
| 529 | |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 530 | #if SK_SUPPORT_GPU |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 531 | sk_sp<GrFragmentProcessor> makeFragmentProcessor(GrResourceProvider*, sk_sp<GrTextureProxy>, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 532 | const SkMatrix&, const SkIRect* bounds, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 533 | BoundaryMode) const override; |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 534 | #endif |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 535 | |
| 536 | private: |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 537 | SkScalar fKS; |
| 538 | SkScalar fShininess; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 539 | friend class SkLightingImageFilter; |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 540 | typedef SkLightingImageFilterInternal INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 541 | }; |
| 542 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 543 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 544 | |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 545 | class GrLightingEffect : public GrSingleTextureEffect { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 546 | public: |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 547 | GrLightingEffect(GrResourceProvider*, sk_sp<GrTextureProxy>, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 548 | const SkImageFilterLight* light, SkScalar surfaceScale, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 549 | const SkMatrix& matrix, BoundaryMode boundaryMode, const SkIRect* srcBounds); |
robertphillips | e004bfc | 2015-11-16 09:06:59 -0800 | [diff] [blame] | 550 | ~GrLightingEffect() override; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 551 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 552 | const SkImageFilterLight* light() const { return fLight; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 553 | SkScalar surfaceScale() const { return fSurfaceScale; } |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 554 | const SkMatrix& filterMatrix() const { return fFilterMatrix; } |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 555 | BoundaryMode boundaryMode() const { return fBoundaryMode; } |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 556 | const GrTextureDomain& domain() const { return fDomain; } |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 557 | |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 558 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 559 | bool onIsEqual(const GrFragmentProcessor&) const override; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 560 | |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 561 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 562 | private: |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 563 | const SkImageFilterLight* fLight; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 564 | SkScalar fSurfaceScale; |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 565 | SkMatrix fFilterMatrix; |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 566 | BoundaryMode fBoundaryMode; |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 567 | GrTextureDomain fDomain; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 568 | |
| 569 | typedef GrSingleTextureEffect INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 570 | }; |
| 571 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 572 | class GrDiffuseLightingEffect : public GrLightingEffect { |
| 573 | public: |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 574 | static sk_sp<GrFragmentProcessor> Make(GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 575 | sk_sp<GrTextureProxy> proxy, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 576 | const SkImageFilterLight* light, |
| 577 | SkScalar surfaceScale, |
| 578 | const SkMatrix& matrix, |
| 579 | SkScalar kd, |
| 580 | BoundaryMode boundaryMode, |
| 581 | const SkIRect* srcBounds) { |
| 582 | return sk_sp<GrFragmentProcessor>( |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 583 | new GrDiffuseLightingEffect(resourceProvider, std::move(proxy), light, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 584 | surfaceScale, matrix, kd, boundaryMode, srcBounds)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 585 | } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 586 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 587 | const char* name() const override { return "DiffuseLighting"; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 588 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 589 | SkScalar kd() const { return fKD; } |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 590 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 591 | private: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 592 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 593 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 594 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; |
wangyix | 4b3050b | 2015-08-04 07:59:37 -0700 | [diff] [blame] | 595 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 596 | bool onIsEqual(const GrFragmentProcessor&) const override; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 597 | |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 598 | GrDiffuseLightingEffect(GrResourceProvider*, sk_sp<GrTextureProxy>, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 599 | const SkImageFilterLight* light, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 600 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 601 | const SkMatrix& matrix, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 602 | SkScalar kd, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 603 | BoundaryMode boundaryMode, |
| 604 | const SkIRect* srcBounds); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 605 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 606 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
Robert Phillips | 696b293 | 2017-02-08 12:49:00 +0000 | [diff] [blame] | 607 | SkScalar fKD; |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 608 | |
| 609 | typedef GrLightingEffect INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 610 | }; |
| 611 | |
| 612 | class GrSpecularLightingEffect : public GrLightingEffect { |
| 613 | public: |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 614 | static sk_sp<GrFragmentProcessor> Make(GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 615 | sk_sp<GrTextureProxy> proxy, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 616 | const SkImageFilterLight* light, |
| 617 | SkScalar surfaceScale, |
| 618 | const SkMatrix& matrix, |
| 619 | SkScalar ks, |
| 620 | SkScalar shininess, |
| 621 | BoundaryMode boundaryMode, |
| 622 | const SkIRect* srcBounds) { |
| 623 | return sk_sp<GrFragmentProcessor>( |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 624 | new GrSpecularLightingEffect(resourceProvider, std::move(proxy), |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 625 | light, surfaceScale, matrix, ks, shininess, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 626 | boundaryMode, srcBounds)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 627 | } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 628 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 629 | const char* name() const override { return "SpecularLighting"; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 630 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 631 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 632 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 633 | SkScalar ks() const { return fKS; } |
| 634 | SkScalar shininess() const { return fShininess; } |
| 635 | |
| 636 | private: |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 637 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; |
wangyix | 4b3050b | 2015-08-04 07:59:37 -0700 | [diff] [blame] | 638 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 639 | bool onIsEqual(const GrFragmentProcessor&) const override; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 640 | |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 641 | GrSpecularLightingEffect(GrResourceProvider*, sk_sp<GrTextureProxy>, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 642 | const SkImageFilterLight* light, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 643 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 644 | const SkMatrix& matrix, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 645 | SkScalar ks, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 646 | SkScalar shininess, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 647 | BoundaryMode boundaryMode, |
| 648 | const SkIRect* srcBounds); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 649 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 650 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 651 | SkScalar fKS; |
| 652 | SkScalar fShininess; |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 653 | |
| 654 | typedef GrLightingEffect INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 655 | }; |
| 656 | |
| 657 | /////////////////////////////////////////////////////////////////////////////// |
| 658 | |
| 659 | class GrGLLight { |
| 660 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 661 | virtual ~GrGLLight() {} |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 662 | |
| 663 | /** |
| 664 | * This is called by GrGLLightingEffect::emitCode() before either of the two virtual functions |
| 665 | * below. It adds a vec3f uniform visible in the FS that represents the constant light color. |
| 666 | */ |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 667 | void emitLightColorUniform(GrGLSLUniformHandler*); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 668 | |
skia.committer@gmail.com | e862d16 | 2012-10-31 02:01:18 +0000 | [diff] [blame] | 669 | /** |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 670 | * These two functions are called from GrGLLightingEffect's emitCode() function. |
| 671 | * emitSurfaceToLight places an expression in param out that is the vector from the surface to |
| 672 | * the light. The expression will be used in the FS. emitLightColor writes an expression into |
| 673 | * the FS that is the color of the light. Either function may add functions and/or uniforms to |
| 674 | * the FS. The default of emitLightColor appends the name of the constant light color uniform |
| 675 | * and so this function only needs to be overridden if the light color varies spatially. |
| 676 | */ |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 677 | virtual void emitSurfaceToLight(GrGLSLUniformHandler*, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 678 | GrGLSLFPFragmentBuilder*, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 679 | const char* z) = 0; |
| 680 | virtual void emitLightColor(GrGLSLUniformHandler*, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 681 | GrGLSLFPFragmentBuilder*, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 682 | const char *surfaceToLight); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 683 | |
| 684 | // This is called from GrGLLightingEffect's setData(). Subclasses of GrGLLight must call |
| 685 | // INHERITED::setData(). |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 686 | virtual void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 687 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 688 | protected: |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 689 | /** |
| 690 | * Gets the constant light color uniform. Subclasses can use this in their emitLightColor |
| 691 | * function. |
| 692 | */ |
| 693 | UniformHandle lightColorUni() const { return fColorUni; } |
| 694 | |
| 695 | private: |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 696 | UniformHandle fColorUni; |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 697 | |
| 698 | typedef SkRefCnt INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 699 | }; |
| 700 | |
| 701 | /////////////////////////////////////////////////////////////////////////////// |
| 702 | |
| 703 | class GrGLDistantLight : public GrGLLight { |
| 704 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 705 | virtual ~GrGLDistantLight() {} |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 706 | void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const override; |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 707 | void emitSurfaceToLight(GrGLSLUniformHandler*, GrGLSLFPFragmentBuilder*, const char* z) override; |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 708 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 709 | private: |
| 710 | typedef GrGLLight INHERITED; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 711 | UniformHandle fDirectionUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 712 | }; |
| 713 | |
| 714 | /////////////////////////////////////////////////////////////////////////////// |
| 715 | |
| 716 | class GrGLPointLight : public GrGLLight { |
| 717 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 718 | virtual ~GrGLPointLight() {} |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 719 | void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const override; |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 720 | void emitSurfaceToLight(GrGLSLUniformHandler*, GrGLSLFPFragmentBuilder*, const char* z) override; |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 721 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 722 | private: |
| 723 | typedef GrGLLight INHERITED; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 724 | UniformHandle fLocationUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 725 | }; |
| 726 | |
| 727 | /////////////////////////////////////////////////////////////////////////////// |
| 728 | |
| 729 | class GrGLSpotLight : public GrGLLight { |
| 730 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 731 | virtual ~GrGLSpotLight() {} |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 732 | void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const override; |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 733 | void emitSurfaceToLight(GrGLSLUniformHandler*, GrGLSLFPFragmentBuilder*, const char* z) override; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 734 | void emitLightColor(GrGLSLUniformHandler*, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 735 | GrGLSLFPFragmentBuilder*, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 736 | const char *surfaceToLight) override; |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 737 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 738 | private: |
| 739 | typedef GrGLLight INHERITED; |
| 740 | |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 741 | SkString fLightColorFunc; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 742 | UniformHandle fLocationUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 743 | UniformHandle fExponentUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 744 | UniformHandle fCosOuterConeAngleUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 745 | UniformHandle fCosInnerConeAngleUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 746 | UniformHandle fConeScaleUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 747 | UniformHandle fSUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 748 | }; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 749 | #else |
| 750 | |
| 751 | class GrGLLight; |
| 752 | |
| 753 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 754 | |
| 755 | }; |
| 756 | |
| 757 | /////////////////////////////////////////////////////////////////////////////// |
| 758 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 759 | class SkImageFilterLight : public SkRefCnt { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 760 | public: |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 761 | |
robertphillips@google.com | 0456e0b | 2012-06-27 14:03:26 +0000 | [diff] [blame] | 762 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 763 | enum LightType { |
| 764 | kDistant_LightType, |
| 765 | kPoint_LightType, |
| 766 | kSpot_LightType, |
| 767 | }; |
| 768 | virtual LightType type() const = 0; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 769 | const SkPoint3& color() const { return fColor; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 770 | virtual GrGLLight* createGLLight() const = 0; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 771 | virtual bool isEqual(const SkImageFilterLight& other) const { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 772 | return fColor == other.fColor; |
| 773 | } |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 774 | virtual SkImageFilterLight* transform(const SkMatrix& matrix) const = 0; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 775 | |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 776 | // Defined below SkLight's subclasses. |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 777 | void flattenLight(SkWriteBuffer& buffer) const; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 778 | static SkImageFilterLight* UnflattenLight(SkReadBuffer& buffer); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 779 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 780 | protected: |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 781 | SkImageFilterLight(SkColor color) { |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 782 | fColor = SkPoint3::Make(SkIntToScalar(SkColorGetR(color)), |
| 783 | SkIntToScalar(SkColorGetG(color)), |
| 784 | SkIntToScalar(SkColorGetB(color))); |
| 785 | } |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 786 | SkImageFilterLight(const SkPoint3& color) |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 787 | : fColor(color) {} |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 788 | SkImageFilterLight(SkReadBuffer& buffer) { |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 789 | fColor = readPoint3(buffer); |
| 790 | } |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 791 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 792 | virtual void onFlattenLight(SkWriteBuffer& buffer) const = 0; |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 793 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 794 | |
| 795 | private: |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 796 | typedef SkRefCnt INHERITED; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 797 | SkPoint3 fColor; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 798 | }; |
| 799 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 800 | /////////////////////////////////////////////////////////////////////////////// |
| 801 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 802 | class SkDistantLight : public SkImageFilterLight { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 803 | public: |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 804 | SkDistantLight(const SkPoint3& direction, SkColor color) |
| 805 | : INHERITED(color), fDirection(direction) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 806 | } |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 807 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 808 | SkPoint3 surfaceToLight(int x, int y, int z, SkScalar surfaceScale) const { |
| 809 | return fDirection; |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 810 | } |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 811 | const SkPoint3& lightColor(const SkPoint3&) const { return this->color(); } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 812 | LightType type() const override { return kDistant_LightType; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 813 | const SkPoint3& direction() const { return fDirection; } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 814 | GrGLLight* createGLLight() const override { |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 815 | #if SK_SUPPORT_GPU |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 816 | return new GrGLDistantLight; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 817 | #else |
| 818 | SkDEBUGFAIL("Should not call in GPU-less build"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 819 | return nullptr; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 820 | #endif |
| 821 | } |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 822 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 823 | bool isEqual(const SkImageFilterLight& other) const override { |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 824 | if (other.type() != kDistant_LightType) { |
| 825 | return false; |
| 826 | } |
| 827 | |
| 828 | const SkDistantLight& o = static_cast<const SkDistantLight&>(other); |
| 829 | return INHERITED::isEqual(other) && |
| 830 | fDirection == o.fDirection; |
| 831 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 832 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 833 | SkDistantLight(SkReadBuffer& buffer) : INHERITED(buffer) { |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 834 | fDirection = readPoint3(buffer); |
| 835 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 836 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 837 | protected: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 838 | SkDistantLight(const SkPoint3& direction, const SkPoint3& color) |
| 839 | : INHERITED(color), fDirection(direction) { |
| 840 | } |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 841 | SkImageFilterLight* transform(const SkMatrix& matrix) const override { |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 842 | return new SkDistantLight(direction(), color()); |
| 843 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 844 | void onFlattenLight(SkWriteBuffer& buffer) const override { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 845 | writePoint3(fDirection, buffer); |
| 846 | } |
| 847 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 848 | private: |
| 849 | SkPoint3 fDirection; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 850 | |
| 851 | typedef SkImageFilterLight INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 852 | }; |
| 853 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 854 | /////////////////////////////////////////////////////////////////////////////// |
| 855 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 856 | class SkPointLight : public SkImageFilterLight { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 857 | public: |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 858 | SkPointLight(const SkPoint3& location, SkColor color) |
| 859 | : INHERITED(color), fLocation(location) {} |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 860 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 861 | SkPoint3 surfaceToLight(int x, int y, int z, SkScalar surfaceScale) const { |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 862 | SkPoint3 direction = SkPoint3::Make(fLocation.fX - SkIntToScalar(x), |
| 863 | fLocation.fY - SkIntToScalar(y), |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 864 | fLocation.fZ - SkIntToScalar(z) * surfaceScale); |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 865 | fast_normalize(&direction); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 866 | return direction; |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 867 | } |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 868 | const SkPoint3& lightColor(const SkPoint3&) const { return this->color(); } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 869 | LightType type() const override { return kPoint_LightType; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 870 | const SkPoint3& location() const { return fLocation; } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 871 | GrGLLight* createGLLight() const override { |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 872 | #if SK_SUPPORT_GPU |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 873 | return new GrGLPointLight; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 874 | #else |
| 875 | SkDEBUGFAIL("Should not call in GPU-less build"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 876 | return nullptr; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 877 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 878 | } |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 879 | bool isEqual(const SkImageFilterLight& other) const override { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 880 | if (other.type() != kPoint_LightType) { |
| 881 | return false; |
| 882 | } |
| 883 | const SkPointLight& o = static_cast<const SkPointLight&>(other); |
| 884 | return INHERITED::isEqual(other) && |
| 885 | fLocation == o.fLocation; |
| 886 | } |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 887 | SkImageFilterLight* transform(const SkMatrix& matrix) const override { |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 888 | SkPoint location2 = SkPoint::Make(fLocation.fX, fLocation.fY); |
| 889 | matrix.mapPoints(&location2, 1); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 890 | // Use X scale and Y scale on Z and average the result |
| 891 | SkPoint locationZ = SkPoint::Make(fLocation.fZ, fLocation.fZ); |
| 892 | matrix.mapVectors(&locationZ, 1); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 893 | SkPoint3 location = SkPoint3::Make(location2.fX, |
| 894 | location2.fY, |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 895 | SkScalarAve(locationZ.fX, locationZ.fY)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 896 | return new SkPointLight(location, color()); |
| 897 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 898 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 899 | SkPointLight(SkReadBuffer& buffer) : INHERITED(buffer) { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 900 | fLocation = readPoint3(buffer); |
| 901 | } |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 902 | |
| 903 | protected: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 904 | SkPointLight(const SkPoint3& location, const SkPoint3& color) |
| 905 | : INHERITED(color), fLocation(location) {} |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 906 | void onFlattenLight(SkWriteBuffer& buffer) const override { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 907 | writePoint3(fLocation, buffer); |
| 908 | } |
| 909 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 910 | private: |
| 911 | SkPoint3 fLocation; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 912 | |
| 913 | typedef SkImageFilterLight INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 914 | }; |
| 915 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 916 | /////////////////////////////////////////////////////////////////////////////// |
| 917 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 918 | class SkSpotLight : public SkImageFilterLight { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 919 | public: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 920 | SkSpotLight(const SkPoint3& location, |
| 921 | const SkPoint3& target, |
| 922 | SkScalar specularExponent, |
| 923 | SkScalar cutoffAngle, |
| 924 | SkColor color) |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 925 | : INHERITED(color), |
| 926 | fLocation(location), |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 927 | fTarget(target), |
caryclark | 0bccd87 | 2015-10-20 10:04:03 -0700 | [diff] [blame] | 928 | fSpecularExponent(SkScalarPin(specularExponent, kSpecularExponentMin, kSpecularExponentMax)) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 929 | { |
| 930 | fS = target - location; |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 931 | fast_normalize(&fS); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 932 | fCosOuterConeAngle = SkScalarCos(SkDegreesToRadians(cutoffAngle)); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 933 | const SkScalar antiAliasThreshold = 0.016f; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 934 | fCosInnerConeAngle = fCosOuterConeAngle + antiAliasThreshold; |
| 935 | fConeScale = SkScalarInvert(antiAliasThreshold); |
| 936 | } |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 937 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 938 | SkImageFilterLight* transform(const SkMatrix& matrix) const override { |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 939 | SkPoint location2 = SkPoint::Make(fLocation.fX, fLocation.fY); |
| 940 | matrix.mapPoints(&location2, 1); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 941 | // Use X scale and Y scale on Z and average the result |
| 942 | SkPoint locationZ = SkPoint::Make(fLocation.fZ, fLocation.fZ); |
| 943 | matrix.mapVectors(&locationZ, 1); |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 944 | SkPoint3 location = SkPoint3::Make(location2.fX, location2.fY, |
| 945 | SkScalarAve(locationZ.fX, locationZ.fY)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 946 | SkPoint target2 = SkPoint::Make(fTarget.fX, fTarget.fY); |
| 947 | matrix.mapPoints(&target2, 1); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 948 | SkPoint targetZ = SkPoint::Make(fTarget.fZ, fTarget.fZ); |
| 949 | matrix.mapVectors(&targetZ, 1); |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 950 | SkPoint3 target = SkPoint3::Make(target2.fX, target2.fY, |
| 951 | SkScalarAve(targetZ.fX, targetZ.fY)); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 952 | SkPoint3 s = target - location; |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 953 | fast_normalize(&s); |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 954 | return new SkSpotLight(location, |
| 955 | target, |
| 956 | fSpecularExponent, |
| 957 | fCosOuterConeAngle, |
| 958 | fCosInnerConeAngle, |
| 959 | fConeScale, |
| 960 | s, |
| 961 | color()); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 962 | } |
| 963 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 964 | SkPoint3 surfaceToLight(int x, int y, int z, SkScalar surfaceScale) const { |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 965 | SkPoint3 direction = SkPoint3::Make(fLocation.fX - SkIntToScalar(x), |
| 966 | fLocation.fY - SkIntToScalar(y), |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 967 | fLocation.fZ - SkIntToScalar(z) * surfaceScale); |
jvanverth | 992c761 | 2015-07-17 07:22:30 -0700 | [diff] [blame] | 968 | fast_normalize(&direction); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 969 | return direction; |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 970 | } |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 971 | SkPoint3 lightColor(const SkPoint3& surfaceToLight) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 972 | SkScalar cosAngle = -surfaceToLight.dot(fS); |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 973 | SkScalar scale = 0; |
| 974 | if (cosAngle >= fCosOuterConeAngle) { |
| 975 | scale = SkScalarPow(cosAngle, fSpecularExponent); |
| 976 | if (cosAngle < fCosInnerConeAngle) { |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 977 | scale *= (cosAngle - fCosOuterConeAngle) * fConeScale; |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 978 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 979 | } |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 980 | return this->color().makeScale(scale); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 981 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 982 | GrGLLight* createGLLight() const override { |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 983 | #if SK_SUPPORT_GPU |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 984 | return new GrGLSpotLight; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 985 | #else |
| 986 | SkDEBUGFAIL("Should not call in GPU-less build"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 987 | return nullptr; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 988 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 989 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 990 | LightType type() const override { return kSpot_LightType; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 991 | const SkPoint3& location() const { return fLocation; } |
| 992 | const SkPoint3& target() const { return fTarget; } |
| 993 | SkScalar specularExponent() const { return fSpecularExponent; } |
| 994 | SkScalar cosInnerConeAngle() const { return fCosInnerConeAngle; } |
| 995 | SkScalar cosOuterConeAngle() const { return fCosOuterConeAngle; } |
| 996 | SkScalar coneScale() const { return fConeScale; } |
senorblanco@chromium.org | eb31184 | 2012-07-11 20:49:26 +0000 | [diff] [blame] | 997 | const SkPoint3& s() const { return fS; } |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 998 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 999 | SkSpotLight(SkReadBuffer& buffer) : INHERITED(buffer) { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 1000 | fLocation = readPoint3(buffer); |
| 1001 | fTarget = readPoint3(buffer); |
| 1002 | fSpecularExponent = buffer.readScalar(); |
| 1003 | fCosOuterConeAngle = buffer.readScalar(); |
| 1004 | fCosInnerConeAngle = buffer.readScalar(); |
| 1005 | fConeScale = buffer.readScalar(); |
| 1006 | fS = readPoint3(buffer); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 1007 | buffer.validate(SkScalarIsFinite(fSpecularExponent) && |
| 1008 | SkScalarIsFinite(fCosOuterConeAngle) && |
| 1009 | SkScalarIsFinite(fCosInnerConeAngle) && |
| 1010 | SkScalarIsFinite(fConeScale)); |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 1011 | } |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1012 | protected: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1013 | SkSpotLight(const SkPoint3& location, |
| 1014 | const SkPoint3& target, |
| 1015 | SkScalar specularExponent, |
| 1016 | SkScalar cosOuterConeAngle, |
| 1017 | SkScalar cosInnerConeAngle, |
| 1018 | SkScalar coneScale, |
| 1019 | const SkPoint3& s, |
| 1020 | const SkPoint3& color) |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1021 | : INHERITED(color), |
| 1022 | fLocation(location), |
| 1023 | fTarget(target), |
| 1024 | fSpecularExponent(specularExponent), |
| 1025 | fCosOuterConeAngle(cosOuterConeAngle), |
| 1026 | fCosInnerConeAngle(cosInnerConeAngle), |
| 1027 | fConeScale(coneScale), |
| 1028 | fS(s) |
| 1029 | { |
| 1030 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1031 | void onFlattenLight(SkWriteBuffer& buffer) const override { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 1032 | writePoint3(fLocation, buffer); |
| 1033 | writePoint3(fTarget, buffer); |
| 1034 | buffer.writeScalar(fSpecularExponent); |
| 1035 | buffer.writeScalar(fCosOuterConeAngle); |
| 1036 | buffer.writeScalar(fCosInnerConeAngle); |
| 1037 | buffer.writeScalar(fConeScale); |
| 1038 | writePoint3(fS, buffer); |
| 1039 | } |
| 1040 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1041 | bool isEqual(const SkImageFilterLight& other) const override { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1042 | if (other.type() != kSpot_LightType) { |
| 1043 | return false; |
| 1044 | } |
| 1045 | |
| 1046 | const SkSpotLight& o = static_cast<const SkSpotLight&>(other); |
| 1047 | return INHERITED::isEqual(other) && |
| 1048 | fLocation == o.fLocation && |
| 1049 | fTarget == o.fTarget && |
| 1050 | fSpecularExponent == o.fSpecularExponent && |
| 1051 | fCosOuterConeAngle == o.fCosOuterConeAngle; |
| 1052 | } |
| 1053 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1054 | private: |
caryclark | 0bccd87 | 2015-10-20 10:04:03 -0700 | [diff] [blame] | 1055 | static const SkScalar kSpecularExponentMin; |
| 1056 | static const SkScalar kSpecularExponentMax; |
| 1057 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1058 | SkPoint3 fLocation; |
| 1059 | SkPoint3 fTarget; |
| 1060 | SkScalar fSpecularExponent; |
| 1061 | SkScalar fCosOuterConeAngle; |
| 1062 | SkScalar fCosInnerConeAngle; |
| 1063 | SkScalar fConeScale; |
| 1064 | SkPoint3 fS; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1065 | |
| 1066 | typedef SkImageFilterLight INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1067 | }; |
| 1068 | |
caryclark | 0bccd87 | 2015-10-20 10:04:03 -0700 | [diff] [blame] | 1069 | // According to the spec, the specular term should be in the range [1, 128] : |
| 1070 | // http://www.w3.org/TR/SVG/filters.html#feSpecularLightingSpecularExponentAttribute |
| 1071 | const SkScalar SkSpotLight::kSpecularExponentMin = 1.0f; |
| 1072 | const SkScalar SkSpotLight::kSpecularExponentMax = 128.0f; |
| 1073 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1074 | /////////////////////////////////////////////////////////////////////////////// |
| 1075 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1076 | void SkImageFilterLight::flattenLight(SkWriteBuffer& buffer) const { |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1077 | // Write type first, then baseclass, then subclass. |
| 1078 | buffer.writeInt(this->type()); |
| 1079 | writePoint3(fColor, buffer); |
| 1080 | this->onFlattenLight(buffer); |
| 1081 | } |
| 1082 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1083 | /*static*/ SkImageFilterLight* SkImageFilterLight::UnflattenLight(SkReadBuffer& buffer) { |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1084 | // Read type first. |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1085 | const SkImageFilterLight::LightType type = (SkImageFilterLight::LightType)buffer.readInt(); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1086 | switch (type) { |
| 1087 | // Each of these constructors must first call SkLight's, so we'll read the baseclass |
| 1088 | // then subclass, same order as flattenLight. |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 1089 | case SkImageFilterLight::kDistant_LightType: |
| 1090 | return new SkDistantLight(buffer); |
| 1091 | case SkImageFilterLight::kPoint_LightType: |
| 1092 | return new SkPointLight(buffer); |
| 1093 | case SkImageFilterLight::kSpot_LightType: |
| 1094 | return new SkSpotLight(buffer); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1095 | default: |
| 1096 | SkDEBUGFAIL("Unknown LightType."); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 1097 | buffer.validate(false); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1098 | return nullptr; |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1099 | } |
| 1100 | } |
| 1101 | /////////////////////////////////////////////////////////////////////////////// |
| 1102 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1103 | SkLightingImageFilter::SkLightingImageFilter(sk_sp<SkImageFilterLight> light, |
| 1104 | SkScalar surfaceScale, |
| 1105 | sk_sp<SkImageFilter> input, const CropRect* cropRect) |
| 1106 | : INHERITED(&input, 1, cropRect) |
| 1107 | , fLight(std::move(light)) |
| 1108 | , fSurfaceScale(surfaceScale / 255) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1109 | } |
| 1110 | |
robertphillips | 82b043e | 2016-04-10 14:04:19 -0700 | [diff] [blame] | 1111 | SkLightingImageFilter::~SkLightingImageFilter() {} |
| 1112 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1113 | sk_sp<SkImageFilter> SkLightingImageFilter::MakeDistantLitDiffuse(const SkPoint3& direction, |
| 1114 | SkColor lightColor, |
| 1115 | SkScalar surfaceScale, |
| 1116 | SkScalar kd, |
| 1117 | sk_sp<SkImageFilter> input, |
| 1118 | const CropRect* cropRect) { |
| 1119 | sk_sp<SkImageFilterLight> light(new SkDistantLight(direction, lightColor)); |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 1120 | return SkDiffuseLightingImageFilter::Make(std::move(light), surfaceScale, kd, |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1121 | std::move(input), cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1122 | } |
| 1123 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1124 | sk_sp<SkImageFilter> SkLightingImageFilter::MakePointLitDiffuse(const SkPoint3& location, |
| 1125 | SkColor lightColor, |
| 1126 | SkScalar surfaceScale, |
| 1127 | SkScalar kd, |
| 1128 | sk_sp<SkImageFilter> input, |
| 1129 | const CropRect* cropRect) { |
| 1130 | sk_sp<SkImageFilterLight> light(new SkPointLight(location, lightColor)); |
| 1131 | return SkDiffuseLightingImageFilter::Make(std::move(light), surfaceScale, kd, |
| 1132 | std::move(input), cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1133 | } |
| 1134 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1135 | sk_sp<SkImageFilter> SkLightingImageFilter::MakeSpotLitDiffuse(const SkPoint3& location, |
| 1136 | const SkPoint3& target, |
| 1137 | SkScalar specularExponent, |
| 1138 | SkScalar cutoffAngle, |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1139 | SkColor lightColor, |
| 1140 | SkScalar surfaceScale, |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1141 | SkScalar kd, |
| 1142 | sk_sp<SkImageFilter> input, |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1143 | const CropRect* cropRect) { |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1144 | sk_sp<SkImageFilterLight> light( |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 1145 | new SkSpotLight(location, target, specularExponent, cutoffAngle, lightColor)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1146 | return SkDiffuseLightingImageFilter::Make(std::move(light), surfaceScale, kd, |
| 1147 | std::move(input), cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1148 | } |
| 1149 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1150 | sk_sp<SkImageFilter> SkLightingImageFilter::MakeDistantLitSpecular(const SkPoint3& direction, |
| 1151 | SkColor lightColor, |
| 1152 | SkScalar surfaceScale, |
| 1153 | SkScalar ks, |
| 1154 | SkScalar shine, |
| 1155 | sk_sp<SkImageFilter> input, |
| 1156 | const CropRect* cropRect) { |
| 1157 | sk_sp<SkImageFilterLight> light(new SkDistantLight(direction, lightColor)); |
| 1158 | return SkSpecularLightingImageFilter::Make(std::move(light), surfaceScale, ks, shine, |
| 1159 | std::move(input), cropRect); |
| 1160 | } |
| 1161 | |
| 1162 | sk_sp<SkImageFilter> SkLightingImageFilter::MakePointLitSpecular(const SkPoint3& location, |
| 1163 | SkColor lightColor, |
| 1164 | SkScalar surfaceScale, |
| 1165 | SkScalar ks, |
| 1166 | SkScalar shine, |
| 1167 | sk_sp<SkImageFilter> input, |
| 1168 | const CropRect* cropRect) { |
| 1169 | sk_sp<SkImageFilterLight> light(new SkPointLight(location, lightColor)); |
| 1170 | return SkSpecularLightingImageFilter::Make(std::move(light), surfaceScale, ks, shine, |
| 1171 | std::move(input), cropRect); |
| 1172 | } |
| 1173 | |
| 1174 | sk_sp<SkImageFilter> SkLightingImageFilter::MakeSpotLitSpecular(const SkPoint3& location, |
| 1175 | const SkPoint3& target, |
| 1176 | SkScalar specularExponent, |
| 1177 | SkScalar cutoffAngle, |
| 1178 | SkColor lightColor, |
| 1179 | SkScalar surfaceScale, |
| 1180 | SkScalar ks, |
| 1181 | SkScalar shine, |
| 1182 | sk_sp<SkImageFilter> input, |
| 1183 | const CropRect* cropRect) { |
| 1184 | sk_sp<SkImageFilterLight> light( |
| 1185 | new SkSpotLight(location, target, specularExponent, cutoffAngle, lightColor)); |
| 1186 | return SkSpecularLightingImageFilter::Make(std::move(light), surfaceScale, ks, shine, |
| 1187 | std::move(input), cropRect); |
| 1188 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1189 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 1190 | void SkLightingImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1191 | this->INHERITED::flatten(buffer); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 1192 | fLight->flattenLight(buffer); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1193 | buffer.writeScalar(fSurfaceScale * 255); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1194 | } |
| 1195 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1196 | /////////////////////////////////////////////////////////////////////////////// |
| 1197 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1198 | sk_sp<SkImageFilter> SkDiffuseLightingImageFilter::Make(sk_sp<SkImageFilterLight> light, |
| 1199 | SkScalar surfaceScale, |
| 1200 | SkScalar kd, |
| 1201 | sk_sp<SkImageFilter> input, |
| 1202 | const CropRect* cropRect) { |
| 1203 | if (!light) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1204 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1205 | } |
| 1206 | if (!SkScalarIsFinite(surfaceScale) || !SkScalarIsFinite(kd)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1207 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1208 | } |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 1209 | // According to the spec, kd can be any non-negative number : |
| 1210 | // http://www.w3.org/TR/SVG/filters.html#feDiffuseLightingElement |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1211 | if (kd < 0) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1212 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1213 | } |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 1214 | return sk_sp<SkImageFilter>(new SkDiffuseLightingImageFilter(std::move(light), surfaceScale, |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1215 | kd, std::move(input), cropRect)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1216 | } |
| 1217 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1218 | SkDiffuseLightingImageFilter::SkDiffuseLightingImageFilter(sk_sp<SkImageFilterLight> light, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1219 | SkScalar surfaceScale, |
| 1220 | SkScalar kd, |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1221 | sk_sp<SkImageFilter> input, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1222 | const CropRect* cropRect) |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1223 | : INHERITED(std::move(light), surfaceScale, std::move(input), cropRect) |
| 1224 | , fKD(kd) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1225 | } |
| 1226 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 1227 | sk_sp<SkFlattenable> SkDiffuseLightingImageFilter::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1228 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1229 | sk_sp<SkImageFilterLight> light(SkImageFilterLight::UnflattenLight(buffer)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1230 | SkScalar surfaceScale = buffer.readScalar(); |
| 1231 | SkScalar kd = buffer.readScalar(); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1232 | return Make(std::move(light), surfaceScale, kd, common.getInput(0), &common.cropRect()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1233 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1234 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 1235 | void SkDiffuseLightingImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1236 | this->INHERITED::flatten(buffer); |
| 1237 | buffer.writeScalar(fKD); |
| 1238 | } |
| 1239 | |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1240 | sk_sp<SkSpecialImage> SkDiffuseLightingImageFilter::onFilterImage(SkSpecialImage* source, |
| 1241 | const Context& ctx, |
| 1242 | SkIPoint* offset) const { |
| 1243 | SkIPoint inputOffset = SkIPoint::Make(0, 0); |
| 1244 | sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset)); |
| 1245 | if (!input) { |
| 1246 | return nullptr; |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 1247 | } |
| 1248 | |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1249 | const SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.x(), inputOffset.y(), |
| 1250 | input->width(), input->height()); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1251 | SkIRect bounds; |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1252 | if (!this->applyCropRect(ctx, inputBounds, &bounds)) { |
| 1253 | return nullptr; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1254 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1255 | |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1256 | offset->fX = bounds.left(); |
| 1257 | offset->fY = bounds.top(); |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1258 | bounds.offset(-inputOffset); |
| 1259 | |
| 1260 | #if SK_SUPPORT_GPU |
| 1261 | if (source->isTextureBacked()) { |
| 1262 | SkMatrix matrix(ctx.ctm()); |
| 1263 | matrix.postTranslate(SkIntToScalar(-offset->fX), SkIntToScalar(-offset->fY)); |
| 1264 | |
brianosman | 2a75e5d | 2016-09-22 07:15:37 -0700 | [diff] [blame] | 1265 | return this->filterImageGPU(source, input.get(), bounds, matrix, ctx.outputProperties()); |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1266 | } |
| 1267 | #endif |
| 1268 | |
| 1269 | if (bounds.width() < 2 || bounds.height() < 2) { |
| 1270 | return nullptr; |
| 1271 | } |
| 1272 | |
| 1273 | SkBitmap inputBM; |
| 1274 | |
| 1275 | if (!input->getROPixels(&inputBM)) { |
| 1276 | return nullptr; |
| 1277 | } |
| 1278 | |
| 1279 | if (inputBM.colorType() != kN32_SkColorType) { |
| 1280 | return nullptr; |
| 1281 | } |
| 1282 | |
| 1283 | SkAutoLockPixels alp(inputBM); |
| 1284 | if (!inputBM.getPixels()) { |
| 1285 | return nullptr; |
| 1286 | } |
| 1287 | |
| 1288 | const SkImageInfo info = SkImageInfo::MakeN32Premul(bounds.width(), bounds.height()); |
| 1289 | |
| 1290 | SkBitmap dst; |
| 1291 | if (!dst.tryAllocPixels(info)) { |
| 1292 | return nullptr; |
| 1293 | } |
| 1294 | |
| 1295 | SkAutoLockPixels dstLock(dst); |
| 1296 | |
| 1297 | SkMatrix matrix(ctx.ctm()); |
| 1298 | matrix.postTranslate(SkIntToScalar(-inputOffset.x()), SkIntToScalar(-inputOffset.y())); |
| 1299 | |
| 1300 | sk_sp<SkImageFilterLight> transformedLight(light()->transform(matrix)); |
| 1301 | |
| 1302 | DiffuseLightingType lightingType(fKD); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1303 | switch (transformedLight->type()) { |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1304 | case SkImageFilterLight::kDistant_LightType: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1305 | lightBitmap<DiffuseLightingType, SkDistantLight>(lightingType, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1306 | transformedLight.get(), |
| 1307 | inputBM, |
| 1308 | &dst, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1309 | surfaceScale(), |
| 1310 | bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1311 | break; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1312 | case SkImageFilterLight::kPoint_LightType: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1313 | lightBitmap<DiffuseLightingType, SkPointLight>(lightingType, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1314 | transformedLight.get(), |
| 1315 | inputBM, |
| 1316 | &dst, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1317 | surfaceScale(), |
| 1318 | bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1319 | break; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1320 | case SkImageFilterLight::kSpot_LightType: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1321 | lightBitmap<DiffuseLightingType, SkSpotLight>(lightingType, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1322 | transformedLight.get(), |
| 1323 | inputBM, |
| 1324 | &dst, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1325 | surfaceScale(), |
| 1326 | bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1327 | break; |
| 1328 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1329 | |
robertphillips | 3e30227 | 2016-04-20 11:48:36 -0700 | [diff] [blame] | 1330 | return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(bounds.width(), bounds.height()), |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1331 | dst); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1332 | } |
| 1333 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 1334 | #ifndef SK_IGNORE_TO_STRING |
| 1335 | void SkDiffuseLightingImageFilter::toString(SkString* str) const { |
| 1336 | str->appendf("SkDiffuseLightingImageFilter: ("); |
| 1337 | str->appendf("kD: %f\n", fKD); |
| 1338 | str->append(")"); |
| 1339 | } |
| 1340 | #endif |
| 1341 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1342 | #if SK_SUPPORT_GPU |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1343 | sk_sp<GrFragmentProcessor> SkDiffuseLightingImageFilter::makeFragmentProcessor( |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1344 | GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1345 | sk_sp<GrTextureProxy> proxy, |
joshualitt | 5f10b5c | 2015-07-09 10:24:35 -0700 | [diff] [blame] | 1346 | const SkMatrix& matrix, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1347 | const SkIRect* srcBounds, |
| 1348 | BoundaryMode boundaryMode) const { |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 1349 | SkScalar scale = this->surfaceScale() * 255; |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1350 | return GrDiffuseLightingEffect::Make(resourceProvider, std::move(proxy), |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1351 | this->light(), scale, matrix, this->kd(), |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1352 | boundaryMode, srcBounds); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1353 | } |
senorblanco@chromium.org | d043cce | 2013-04-08 19:43:22 +0000 | [diff] [blame] | 1354 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1355 | |
| 1356 | /////////////////////////////////////////////////////////////////////////////// |
| 1357 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1358 | sk_sp<SkImageFilter> SkSpecularLightingImageFilter::Make(sk_sp<SkImageFilterLight> light, |
| 1359 | SkScalar surfaceScale, |
| 1360 | SkScalar ks, |
| 1361 | SkScalar shininess, |
| 1362 | sk_sp<SkImageFilter> input, |
| 1363 | const CropRect* cropRect) { |
| 1364 | if (!light) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1365 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1366 | } |
| 1367 | if (!SkScalarIsFinite(surfaceScale) || !SkScalarIsFinite(ks) || !SkScalarIsFinite(shininess)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1368 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1369 | } |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 1370 | // According to the spec, ks can be any non-negative number : |
| 1371 | // http://www.w3.org/TR/SVG/filters.html#feSpecularLightingElement |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1372 | if (ks < 0) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1373 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1374 | } |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1375 | return sk_sp<SkImageFilter>(new SkSpecularLightingImageFilter(std::move(light), surfaceScale, |
| 1376 | ks, shininess, |
| 1377 | std::move(input), cropRect)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1378 | } |
| 1379 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1380 | SkSpecularLightingImageFilter::SkSpecularLightingImageFilter(sk_sp<SkImageFilterLight> light, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1381 | SkScalar surfaceScale, |
| 1382 | SkScalar ks, |
| 1383 | SkScalar shininess, |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1384 | sk_sp<SkImageFilter> input, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1385 | const CropRect* cropRect) |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1386 | : INHERITED(std::move(light), surfaceScale, std::move(input), cropRect) |
| 1387 | , fKS(ks) |
| 1388 | , fShininess(shininess) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1389 | } |
| 1390 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 1391 | sk_sp<SkFlattenable> SkSpecularLightingImageFilter::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1392 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1393 | sk_sp<SkImageFilterLight> light(SkImageFilterLight::UnflattenLight(buffer)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1394 | SkScalar surfaceScale = buffer.readScalar(); |
| 1395 | SkScalar ks = buffer.readScalar(); |
| 1396 | SkScalar shine = buffer.readScalar(); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 1397 | return Make(std::move(light), surfaceScale, ks, shine, common.getInput(0), |
| 1398 | &common.cropRect()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1399 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1400 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 1401 | void SkSpecularLightingImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1402 | this->INHERITED::flatten(buffer); |
| 1403 | buffer.writeScalar(fKS); |
| 1404 | buffer.writeScalar(fShininess); |
| 1405 | } |
| 1406 | |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1407 | sk_sp<SkSpecialImage> SkSpecularLightingImageFilter::onFilterImage(SkSpecialImage* source, |
| 1408 | const Context& ctx, |
| 1409 | SkIPoint* offset) const { |
| 1410 | SkIPoint inputOffset = SkIPoint::Make(0, 0); |
| 1411 | sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset)); |
| 1412 | if (!input) { |
| 1413 | return nullptr; |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 1414 | } |
| 1415 | |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1416 | const SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.x(), inputOffset.y(), |
| 1417 | input->width(), input->height()); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1418 | SkIRect bounds; |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1419 | if (!this->applyCropRect(ctx, inputBounds, &bounds)) { |
| 1420 | return nullptr; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1421 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1422 | |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1423 | offset->fX = bounds.left(); |
| 1424 | offset->fY = bounds.top(); |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1425 | bounds.offset(-inputOffset); |
| 1426 | |
| 1427 | #if SK_SUPPORT_GPU |
| 1428 | if (source->isTextureBacked()) { |
| 1429 | SkMatrix matrix(ctx.ctm()); |
| 1430 | matrix.postTranslate(SkIntToScalar(-offset->fX), SkIntToScalar(-offset->fY)); |
| 1431 | |
brianosman | 2a75e5d | 2016-09-22 07:15:37 -0700 | [diff] [blame] | 1432 | return this->filterImageGPU(source, input.get(), bounds, matrix, ctx.outputProperties()); |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1433 | } |
| 1434 | #endif |
| 1435 | |
| 1436 | if (bounds.width() < 2 || bounds.height() < 2) { |
| 1437 | return nullptr; |
| 1438 | } |
| 1439 | |
| 1440 | SkBitmap inputBM; |
| 1441 | |
| 1442 | if (!input->getROPixels(&inputBM)) { |
| 1443 | return nullptr; |
| 1444 | } |
| 1445 | |
| 1446 | if (inputBM.colorType() != kN32_SkColorType) { |
| 1447 | return nullptr; |
| 1448 | } |
| 1449 | |
| 1450 | SkAutoLockPixels alp(inputBM); |
| 1451 | if (!inputBM.getPixels()) { |
| 1452 | return nullptr; |
| 1453 | } |
| 1454 | |
| 1455 | const SkImageInfo info = SkImageInfo::MakeN32Premul(bounds.width(), bounds.height()); |
| 1456 | |
| 1457 | SkBitmap dst; |
| 1458 | if (!dst.tryAllocPixels(info)) { |
| 1459 | return nullptr; |
| 1460 | } |
| 1461 | |
| 1462 | SkAutoLockPixels dstLock(dst); |
| 1463 | |
| 1464 | SpecularLightingType lightingType(fKS, fShininess); |
| 1465 | |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 1466 | SkMatrix matrix(ctx.ctm()); |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1467 | matrix.postTranslate(SkIntToScalar(-inputOffset.x()), SkIntToScalar(-inputOffset.y())); |
| 1468 | |
| 1469 | sk_sp<SkImageFilterLight> transformedLight(light()->transform(matrix)); |
| 1470 | |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1471 | switch (transformedLight->type()) { |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1472 | case SkImageFilterLight::kDistant_LightType: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1473 | lightBitmap<SpecularLightingType, SkDistantLight>(lightingType, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1474 | transformedLight.get(), |
| 1475 | inputBM, |
| 1476 | &dst, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1477 | surfaceScale(), |
| 1478 | bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1479 | break; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1480 | case SkImageFilterLight::kPoint_LightType: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1481 | lightBitmap<SpecularLightingType, SkPointLight>(lightingType, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1482 | transformedLight.get(), |
| 1483 | inputBM, |
| 1484 | &dst, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1485 | surfaceScale(), |
| 1486 | bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1487 | break; |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1488 | case SkImageFilterLight::kSpot_LightType: |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1489 | lightBitmap<SpecularLightingType, SkSpotLight>(lightingType, |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1490 | transformedLight.get(), |
| 1491 | inputBM, |
| 1492 | &dst, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1493 | surfaceScale(), |
| 1494 | bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1495 | break; |
| 1496 | } |
robertphillips | ad3dc0d | 2016-04-15 05:06:11 -0700 | [diff] [blame] | 1497 | |
robertphillips | 3e30227 | 2016-04-20 11:48:36 -0700 | [diff] [blame] | 1498 | return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(bounds.width(), bounds.height()), dst); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1499 | } |
| 1500 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 1501 | #ifndef SK_IGNORE_TO_STRING |
| 1502 | void SkSpecularLightingImageFilter::toString(SkString* str) const { |
| 1503 | str->appendf("SkSpecularLightingImageFilter: ("); |
| 1504 | str->appendf("kS: %f shininess: %f", fKS, fShininess); |
| 1505 | str->append(")"); |
| 1506 | } |
| 1507 | #endif |
| 1508 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1509 | #if SK_SUPPORT_GPU |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1510 | sk_sp<GrFragmentProcessor> SkSpecularLightingImageFilter::makeFragmentProcessor( |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1511 | GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1512 | sk_sp<GrTextureProxy> proxy, |
joshualitt | 5f10b5c | 2015-07-09 10:24:35 -0700 | [diff] [blame] | 1513 | const SkMatrix& matrix, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1514 | const SkIRect* srcBounds, |
joshualitt | 5f10b5c | 2015-07-09 10:24:35 -0700 | [diff] [blame] | 1515 | BoundaryMode boundaryMode) const { |
Mike Reed | 8be952a | 2017-02-13 20:44:33 -0500 | [diff] [blame] | 1516 | SkScalar scale = this->surfaceScale() * 255; |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1517 | return GrSpecularLightingEffect::Make(resourceProvider, std::move(proxy), this->light(), |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1518 | scale, matrix, this->ks(), |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1519 | this->shininess(), boundaryMode, srcBounds); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1520 | } |
senorblanco@chromium.org | d043cce | 2013-04-08 19:43:22 +0000 | [diff] [blame] | 1521 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1522 | |
| 1523 | /////////////////////////////////////////////////////////////////////////////// |
| 1524 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1525 | #if SK_SUPPORT_GPU |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1526 | |
| 1527 | namespace { |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 1528 | SkPoint3 random_point3(SkRandom* random) { |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 1529 | return SkPoint3::Make(SkScalarToFloat(random->nextSScalar1()), |
| 1530 | SkScalarToFloat(random->nextSScalar1()), |
| 1531 | SkScalarToFloat(random->nextSScalar1())); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1532 | } |
| 1533 | |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1534 | SkImageFilterLight* create_random_light(SkRandom* random) { |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1535 | int type = random->nextULessThan(3); |
| 1536 | switch (type) { |
| 1537 | case 0: { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 1538 | return new SkDistantLight(random_point3(random), random->nextU()); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1539 | } |
| 1540 | case 1: { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 1541 | return new SkPointLight(random_point3(random), random->nextU()); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1542 | } |
| 1543 | case 2: { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 1544 | return new SkSpotLight(random_point3(random), random_point3(random), |
| 1545 | random->nextUScalar1(), random->nextUScalar1(), random->nextU()); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1546 | } |
| 1547 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 1548 | SkFAIL("Unexpected value."); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1549 | return nullptr; |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1550 | } |
| 1551 | } |
| 1552 | |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1553 | SkString emitNormalFunc(BoundaryMode mode, |
| 1554 | const char* pointToNormalName, |
| 1555 | const char* sobelFuncName) { |
| 1556 | SkString result; |
| 1557 | switch (mode) { |
| 1558 | case kTopLeft_BoundaryMode: |
| 1559 | result.printf("\treturn %s(%s(0.0, 0.0, m[4], m[5], m[7], m[8], %g),\n" |
| 1560 | "\t %s(0.0, 0.0, m[4], m[7], m[5], m[8], %g),\n" |
| 1561 | "\t surfaceScale);\n", |
| 1562 | pointToNormalName, sobelFuncName, gTwoThirds, |
| 1563 | sobelFuncName, gTwoThirds); |
| 1564 | break; |
| 1565 | case kTop_BoundaryMode: |
| 1566 | result.printf("\treturn %s(%s(0.0, 0.0, m[3], m[5], m[6], m[8], %g),\n" |
| 1567 | "\t %s(0.0, 0.0, m[4], m[7], m[5], m[8], %g),\n" |
| 1568 | "\t surfaceScale);\n", |
| 1569 | pointToNormalName, sobelFuncName, gOneThird, |
| 1570 | sobelFuncName, gOneHalf); |
| 1571 | break; |
| 1572 | case kTopRight_BoundaryMode: |
| 1573 | result.printf("\treturn %s(%s( 0.0, 0.0, m[3], m[4], m[6], m[7], %g),\n" |
| 1574 | "\t %s(m[3], m[6], m[4], m[7], 0.0, 0.0, %g),\n" |
| 1575 | "\t surfaceScale);\n", |
| 1576 | pointToNormalName, sobelFuncName, gTwoThirds, |
| 1577 | sobelFuncName, gTwoThirds); |
| 1578 | break; |
| 1579 | case kLeft_BoundaryMode: |
| 1580 | result.printf("\treturn %s(%s(m[1], m[2], m[4], m[5], m[7], m[8], %g),\n" |
| 1581 | "\t %s( 0.0, 0.0, m[1], m[7], m[2], m[8], %g),\n" |
| 1582 | "\t surfaceScale);\n", |
| 1583 | pointToNormalName, sobelFuncName, gOneHalf, |
| 1584 | sobelFuncName, gOneThird); |
| 1585 | break; |
| 1586 | case kInterior_BoundaryMode: |
| 1587 | result.printf("\treturn %s(%s(m[0], m[2], m[3], m[5], m[6], m[8], %g),\n" |
| 1588 | "\t %s(m[0], m[6], m[1], m[7], m[2], m[8], %g),\n" |
| 1589 | "\t surfaceScale);\n", |
| 1590 | pointToNormalName, sobelFuncName, gOneQuarter, |
| 1591 | sobelFuncName, gOneQuarter); |
| 1592 | break; |
| 1593 | case kRight_BoundaryMode: |
| 1594 | result.printf("\treturn %s(%s(m[0], m[1], m[3], m[4], m[6], m[7], %g),\n" |
| 1595 | "\t %s(m[0], m[6], m[1], m[7], 0.0, 0.0, %g),\n" |
| 1596 | "\t surfaceScale);\n", |
| 1597 | pointToNormalName, sobelFuncName, gOneHalf, |
| 1598 | sobelFuncName, gOneThird); |
| 1599 | break; |
| 1600 | case kBottomLeft_BoundaryMode: |
| 1601 | result.printf("\treturn %s(%s(m[1], m[2], m[4], m[5], 0.0, 0.0, %g),\n" |
| 1602 | "\t %s( 0.0, 0.0, m[1], m[4], m[2], m[5], %g),\n" |
| 1603 | "\t surfaceScale);\n", |
| 1604 | pointToNormalName, sobelFuncName, gTwoThirds, |
| 1605 | sobelFuncName, gTwoThirds); |
| 1606 | break; |
| 1607 | case kBottom_BoundaryMode: |
| 1608 | result.printf("\treturn %s(%s(m[0], m[2], m[3], m[5], 0.0, 0.0, %g),\n" |
| 1609 | "\t %s(m[0], m[3], m[1], m[4], m[2], m[5], %g),\n" |
| 1610 | "\t surfaceScale);\n", |
| 1611 | pointToNormalName, sobelFuncName, gOneThird, |
| 1612 | sobelFuncName, gOneHalf); |
| 1613 | break; |
| 1614 | case kBottomRight_BoundaryMode: |
| 1615 | result.printf("\treturn %s(%s(m[0], m[1], m[3], m[4], 0.0, 0.0, %g),\n" |
| 1616 | "\t %s(m[0], m[3], m[1], m[4], 0.0, 0.0, %g),\n" |
| 1617 | "\t surfaceScale);\n", |
| 1618 | pointToNormalName, sobelFuncName, gTwoThirds, |
| 1619 | sobelFuncName, gTwoThirds); |
| 1620 | break; |
| 1621 | default: |
| 1622 | SkASSERT(false); |
| 1623 | break; |
| 1624 | } |
| 1625 | return result; |
| 1626 | } |
| 1627 | |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1628 | } |
| 1629 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 1630 | class GrGLLightingEffect : public GrGLSLFragmentProcessor { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1631 | public: |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1632 | GrGLLightingEffect() : fLight(nullptr) { } |
| 1633 | virtual ~GrGLLightingEffect() { delete fLight; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1634 | |
wangyix | 7c157a9 | 2015-07-22 15:08:53 -0700 | [diff] [blame] | 1635 | void emitCode(EmitArgs&) override; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1636 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1637 | static inline void GenKey(const GrProcessor&, const GrShaderCaps&, GrProcessorKeyBuilder* b); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1638 | |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1639 | protected: |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 1640 | /** |
| 1641 | * Subclasses of GrGLLightingEffect must call INHERITED::onSetData(); |
| 1642 | */ |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1643 | void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 1644 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1645 | virtual void emitLightFunc(GrGLSLUniformHandler*, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 1646 | GrGLSLFPFragmentBuilder*, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1647 | SkString* funcName) = 0; |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1648 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1649 | private: |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 1650 | typedef GrGLSLFragmentProcessor INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1651 | |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1652 | UniformHandle fImageIncrementUni; |
| 1653 | UniformHandle fSurfaceScaleUni; |
| 1654 | GrTextureDomain::GLDomain fDomain; |
| 1655 | GrGLLight* fLight; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1656 | }; |
| 1657 | |
| 1658 | /////////////////////////////////////////////////////////////////////////////// |
| 1659 | |
| 1660 | class GrGLDiffuseLightingEffect : public GrGLLightingEffect { |
| 1661 | public: |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 1662 | void emitLightFunc(GrGLSLUniformHandler*, GrGLSLFPFragmentBuilder*, SkString* funcName) override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 1663 | |
| 1664 | protected: |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1665 | void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1666 | |
| 1667 | private: |
| 1668 | typedef GrGLLightingEffect INHERITED; |
| 1669 | |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1670 | UniformHandle fKDUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1671 | }; |
| 1672 | |
| 1673 | /////////////////////////////////////////////////////////////////////////////// |
| 1674 | |
| 1675 | class GrGLSpecularLightingEffect : public GrGLLightingEffect { |
| 1676 | public: |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 1677 | void emitLightFunc(GrGLSLUniformHandler*, GrGLSLFPFragmentBuilder*, SkString* funcName) override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 1678 | |
| 1679 | protected: |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1680 | void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1681 | |
| 1682 | private: |
| 1683 | typedef GrGLLightingEffect INHERITED; |
| 1684 | |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1685 | UniformHandle fKSUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1686 | UniformHandle fShininessUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1687 | }; |
| 1688 | |
| 1689 | /////////////////////////////////////////////////////////////////////////////// |
| 1690 | |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1691 | static GrTextureDomain create_domain(GrTextureProxy* proxy, const SkIRect* srcBounds, |
Robert Phillips | e98234f | 2017-01-09 14:23:59 -0500 | [diff] [blame] | 1692 | GrTextureDomain::Mode mode) { |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1693 | if (srcBounds) { |
Robert Phillips | e98234f | 2017-01-09 14:23:59 -0500 | [diff] [blame] | 1694 | SkRect texelDomain = GrTextureDomain::MakeTexelDomainForMode(*srcBounds, mode); |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1695 | return GrTextureDomain(proxy, texelDomain, mode); |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1696 | } else { |
Robert Phillips | e98234f | 2017-01-09 14:23:59 -0500 | [diff] [blame] | 1697 | return GrTextureDomain::IgnoredDomain(); |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1698 | } |
| 1699 | } |
| 1700 | |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1701 | GrLightingEffect::GrLightingEffect(GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1702 | sk_sp<GrTextureProxy> proxy, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1703 | const SkImageFilterLight* light, |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1704 | SkScalar surfaceScale, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1705 | const SkMatrix& matrix, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1706 | BoundaryMode boundaryMode, |
| 1707 | const SkIRect* srcBounds) |
Brian Salomon | f3b995b | 2017-02-15 10:22:23 -0500 | [diff] [blame] | 1708 | // Perhaps this could advertise the opaque or coverage-as-alpha optimizations? |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1709 | : INHERITED(resourceProvider, kNone_OptimizationFlags, proxy, nullptr, SkMatrix::I()) |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 1710 | , fLight(light) |
| 1711 | , fSurfaceScale(surfaceScale) |
| 1712 | , fFilterMatrix(matrix) |
| 1713 | , fBoundaryMode(boundaryMode) |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1714 | , fDomain(create_domain(proxy.get(), srcBounds, GrTextureDomain::kDecal_Mode)) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1715 | fLight->ref(); |
| 1716 | } |
| 1717 | |
| 1718 | GrLightingEffect::~GrLightingEffect() { |
| 1719 | fLight->unref(); |
| 1720 | } |
| 1721 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 1722 | bool GrLightingEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1723 | const GrLightingEffect& s = sBase.cast<GrLightingEffect>(); |
bsalomon | 420d7e9 | 2014-10-16 09:18:09 -0700 | [diff] [blame] | 1724 | return fLight->isEqual(*s.fLight) && |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1725 | fSurfaceScale == s.fSurfaceScale && |
| 1726 | fBoundaryMode == s.fBoundaryMode; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1727 | } |
| 1728 | |
| 1729 | /////////////////////////////////////////////////////////////////////////////// |
| 1730 | |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1731 | GrDiffuseLightingEffect::GrDiffuseLightingEffect(GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1732 | sk_sp<GrTextureProxy> proxy, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1733 | const SkImageFilterLight* light, |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1734 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1735 | const SkMatrix& matrix, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1736 | SkScalar kd, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1737 | BoundaryMode boundaryMode, |
| 1738 | const SkIRect* srcBounds) |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1739 | : INHERITED(resourceProvider, std::move(proxy), light, surfaceScale, matrix, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1740 | boundaryMode, srcBounds), fKD(kd) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1741 | this->initClassID<GrDiffuseLightingEffect>(); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1742 | } |
| 1743 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 1744 | bool GrDiffuseLightingEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1745 | const GrDiffuseLightingEffect& s = sBase.cast<GrDiffuseLightingEffect>(); |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1746 | return INHERITED::onIsEqual(sBase) && this->kd() == s.kd(); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1747 | } |
| 1748 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1749 | void GrDiffuseLightingEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 1750 | GrProcessorKeyBuilder* b) const { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1751 | GrGLDiffuseLightingEffect::GenKey(*this, caps, b); |
| 1752 | } |
| 1753 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 1754 | GrGLSLFragmentProcessor* GrDiffuseLightingEffect::onCreateGLSLInstance() const { |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1755 | return new GrGLDiffuseLightingEffect; |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1756 | } |
| 1757 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1758 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrDiffuseLightingEffect); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1759 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1760 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1761 | sk_sp<GrFragmentProcessor> GrDiffuseLightingEffect::TestCreate(GrProcessorTestData* d) { |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1762 | int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx |
| 1763 | : GrProcessorUnitTest::kAlphaTextureIdx; |
| 1764 | sk_sp<GrTextureProxy> proxy = d->textureProxy(texIdx); |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 1765 | SkScalar surfaceScale = d->fRandom->nextSScalar1(); |
| 1766 | SkScalar kd = d->fRandom->nextUScalar1(); |
Hal Canary | 67b39de | 2016-11-07 11:47:44 -0500 | [diff] [blame] | 1767 | sk_sp<SkImageFilterLight> light(create_random_light(d->fRandom)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1768 | SkMatrix matrix; |
| 1769 | for (int i = 0; i < 9; i++) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 1770 | matrix[i] = d->fRandom->nextUScalar1(); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1771 | } |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1772 | SkIRect srcBounds = SkIRect::MakeXYWH(d->fRandom->nextRangeU(0, proxy->width()), |
| 1773 | d->fRandom->nextRangeU(0, proxy->height()), |
| 1774 | d->fRandom->nextRangeU(0, proxy->width()), |
| 1775 | d->fRandom->nextRangeU(0, proxy->height())); |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 1776 | BoundaryMode mode = static_cast<BoundaryMode>(d->fRandom->nextU() % kBoundaryModeCount); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1777 | return GrDiffuseLightingEffect::Make(d->resourceProvider(), |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1778 | std::move(proxy), light.get(), surfaceScale, |
| 1779 | matrix, kd, mode, &srcBounds); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1780 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1781 | #endif |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1782 | |
| 1783 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1784 | /////////////////////////////////////////////////////////////////////////////// |
| 1785 | |
wangyix | 7c157a9 | 2015-07-22 15:08:53 -0700 | [diff] [blame] | 1786 | void GrGLLightingEffect::emitCode(EmitArgs& args) { |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1787 | const GrLightingEffect& le = args.fFp.cast<GrLightingEffect>(); |
| 1788 | if (!fLight) { |
| 1789 | fLight = le.light()->createGLLight(); |
| 1790 | } |
| 1791 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1792 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 1793 | fImageIncrementUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1794 | kVec2f_GrSLType, kDefault_GrSLPrecision, |
| 1795 | "ImageIncrement"); |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 1796 | fSurfaceScaleUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1797 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1798 | "SurfaceScale"); |
| 1799 | fLight->emitLightColorUniform(uniformHandler); |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 1800 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1801 | SkString lightFunc; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1802 | this->emitLightFunc(uniformHandler, fragBuilder, &lightFunc); |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 1803 | static const GrShaderVar gSobelArgs[] = { |
| 1804 | GrShaderVar("a", kFloat_GrSLType), |
| 1805 | GrShaderVar("b", kFloat_GrSLType), |
| 1806 | GrShaderVar("c", kFloat_GrSLType), |
| 1807 | GrShaderVar("d", kFloat_GrSLType), |
| 1808 | GrShaderVar("e", kFloat_GrSLType), |
| 1809 | GrShaderVar("f", kFloat_GrSLType), |
| 1810 | GrShaderVar("scale", kFloat_GrSLType), |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1811 | }; |
| 1812 | SkString sobelFuncName; |
bsalomon | 1a1aa93 | 2016-09-12 09:30:36 -0700 | [diff] [blame] | 1813 | SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1814 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1815 | fragBuilder->emitFunction(kFloat_GrSLType, |
| 1816 | "sobel", |
| 1817 | SK_ARRAY_COUNT(gSobelArgs), |
| 1818 | gSobelArgs, |
| 1819 | "\treturn (-a + b - 2.0 * c + 2.0 * d -e + f) * scale;\n", |
| 1820 | &sobelFuncName); |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 1821 | static const GrShaderVar gPointToNormalArgs[] = { |
| 1822 | GrShaderVar("x", kFloat_GrSLType), |
| 1823 | GrShaderVar("y", kFloat_GrSLType), |
| 1824 | GrShaderVar("scale", kFloat_GrSLType), |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1825 | }; |
| 1826 | SkString pointToNormalName; |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1827 | fragBuilder->emitFunction(kVec3f_GrSLType, |
| 1828 | "pointToNormal", |
| 1829 | SK_ARRAY_COUNT(gPointToNormalArgs), |
| 1830 | gPointToNormalArgs, |
| 1831 | "\treturn normalize(vec3(-x * scale, -y * scale, 1));\n", |
| 1832 | &pointToNormalName); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1833 | |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 1834 | static const GrShaderVar gInteriorNormalArgs[] = { |
| 1835 | GrShaderVar("m", kFloat_GrSLType, 9), |
| 1836 | GrShaderVar("surfaceScale", kFloat_GrSLType), |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1837 | }; |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1838 | SkString normalBody = emitNormalFunc(le.boundaryMode(), |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1839 | pointToNormalName.c_str(), |
| 1840 | sobelFuncName.c_str()); |
| 1841 | SkString normalName; |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1842 | fragBuilder->emitFunction(kVec3f_GrSLType, |
| 1843 | "normal", |
| 1844 | SK_ARRAY_COUNT(gInteriorNormalArgs), |
| 1845 | gInteriorNormalArgs, |
| 1846 | normalBody.c_str(), |
| 1847 | &normalName); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1848 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1849 | fragBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str()); |
| 1850 | fragBuilder->codeAppend("\t\tfloat m[9];\n"); |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1851 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1852 | const char* imgInc = uniformHandler->getUniformCStr(fImageIncrementUni); |
| 1853 | const char* surfScale = uniformHandler->getUniformCStr(fSurfaceScaleUni); |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1854 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1855 | int index = 0; |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1856 | for (int dy = 1; dy >= -1; dy--) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1857 | for (int dx = -1; dx <= 1; dx++) { |
| 1858 | SkString texCoords; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1859 | texCoords.appendf("coord + vec2(%d, %d) * %s", dx, dy, imgInc); |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1860 | SkString temp; |
| 1861 | temp.appendf("temp%d", index); |
| 1862 | fragBuilder->codeAppendf("vec4 %s;", temp.c_str()); |
| 1863 | fDomain.sampleTexture(fragBuilder, |
| 1864 | args.fUniformHandler, |
Brian Salomon | 1edc5b9 | 2016-11-29 13:43:46 -0500 | [diff] [blame] | 1865 | args.fShaderCaps, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1866 | le.domain(), |
| 1867 | temp.c_str(), |
| 1868 | texCoords, |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 1869 | args.fTexSamplers[0]); |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1870 | fragBuilder->codeAppendf("m[%d] = %s.a;", index, temp.c_str()); |
| 1871 | index++; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1872 | } |
| 1873 | } |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1874 | fragBuilder->codeAppend("\t\tvec3 surfaceToLight = "); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1875 | SkString arg; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1876 | arg.appendf("%s * m[4]", surfScale); |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1877 | fLight->emitSurfaceToLight(uniformHandler, fragBuilder, arg.c_str()); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1878 | fragBuilder->codeAppend(";\n"); |
| 1879 | fragBuilder->codeAppendf("\t\t%s = %s(%s(m, %s), surfaceToLight, ", |
| 1880 | args.fOutputColor, lightFunc.c_str(), normalName.c_str(), surfScale); |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1881 | fLight->emitLightColor(uniformHandler, fragBuilder, "surfaceToLight"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1882 | fragBuilder->codeAppend(");\n"); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 1883 | SkString modulate; |
wangyix | 7c157a9 | 2015-07-22 15:08:53 -0700 | [diff] [blame] | 1884 | GrGLSLMulVarBy4f(&modulate, args.fOutputColor, args.fInputColor); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1885 | fragBuilder->codeAppend(modulate.c_str()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1886 | } |
| 1887 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1888 | void GrGLLightingEffect::GenKey(const GrProcessor& proc, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1889 | const GrShaderCaps& caps, GrProcessorKeyBuilder* b) { |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1890 | const GrLightingEffect& lighting = proc.cast<GrLightingEffect>(); |
| 1891 | b->add32(lighting.boundaryMode() << 2 | lighting.light()->type()); |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1892 | b->add32(GrTextureDomain::GLDomain::DomainKey(lighting.domain())); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1893 | } |
| 1894 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1895 | void GrGLLightingEffect::onSetData(const GrGLSLProgramDataManager& pdman, |
| 1896 | const GrProcessor& proc) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1897 | const GrLightingEffect& lighting = proc.cast<GrLightingEffect>(); |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1898 | if (!fLight) { |
| 1899 | fLight = lighting.light()->createGLLight(); |
| 1900 | } |
| 1901 | |
Brian Salomon | db4183d | 2016-11-17 12:48:40 -0500 | [diff] [blame] | 1902 | GrTexture* texture = lighting.textureSampler(0).texture(); |
senorblanco@chromium.org | ef5dbe1 | 2013-01-28 16:42:38 +0000 | [diff] [blame] | 1903 | float ySign = texture->origin() == kTopLeft_GrSurfaceOrigin ? -1.0f : 1.0f; |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1904 | pdman.set2f(fImageIncrementUni, 1.0f / texture->width(), ySign / texture->height()); |
| 1905 | pdman.set1f(fSurfaceScaleUni, lighting.surfaceScale()); |
Hal Canary | 67b39de | 2016-11-07 11:47:44 -0500 | [diff] [blame] | 1906 | sk_sp<SkImageFilterLight> transformedLight( |
| 1907 | lighting.light()->transform(lighting.filterMatrix())); |
Robert Phillips | e98234f | 2017-01-09 14:23:59 -0500 | [diff] [blame] | 1908 | fDomain.setData(pdman, lighting.domain(), texture); |
Hal Canary | 67b39de | 2016-11-07 11:47:44 -0500 | [diff] [blame] | 1909 | fLight->setData(pdman, transformedLight.get()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1910 | } |
| 1911 | |
| 1912 | /////////////////////////////////////////////////////////////////////////////// |
| 1913 | |
| 1914 | /////////////////////////////////////////////////////////////////////////////// |
| 1915 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1916 | void GrGLDiffuseLightingEffect::emitLightFunc(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 1917 | GrGLSLFPFragmentBuilder* fragBuilder, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1918 | SkString* funcName) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1919 | const char* kd; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 1920 | fKDUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1921 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1922 | "KD", &kd); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1923 | |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 1924 | static const GrShaderVar gLightArgs[] = { |
| 1925 | GrShaderVar("normal", kVec3f_GrSLType), |
| 1926 | GrShaderVar("surfaceToLight", kVec3f_GrSLType), |
| 1927 | GrShaderVar("lightColor", kVec3f_GrSLType) |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1928 | }; |
| 1929 | SkString lightBody; |
| 1930 | lightBody.appendf("\tfloat colorScale = %s * dot(normal, surfaceToLight);\n", kd); |
| 1931 | lightBody.appendf("\treturn vec4(lightColor * clamp(colorScale, 0.0, 1.0), 1.0);\n"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1932 | fragBuilder->emitFunction(kVec4f_GrSLType, |
| 1933 | "light", |
| 1934 | SK_ARRAY_COUNT(gLightArgs), |
| 1935 | gLightArgs, |
| 1936 | lightBody.c_str(), |
| 1937 | funcName); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1938 | } |
| 1939 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1940 | void GrGLDiffuseLightingEffect::onSetData(const GrGLSLProgramDataManager& pdman, |
| 1941 | const GrProcessor& proc) { |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 1942 | INHERITED::onSetData(pdman, proc); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1943 | const GrDiffuseLightingEffect& diffuse = proc.cast<GrDiffuseLightingEffect>(); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1944 | pdman.set1f(fKDUni, diffuse.kd()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1945 | } |
| 1946 | |
| 1947 | /////////////////////////////////////////////////////////////////////////////// |
| 1948 | |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1949 | GrSpecularLightingEffect::GrSpecularLightingEffect(GrResourceProvider* resourceProvider, |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1950 | sk_sp<GrTextureProxy> proxy, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1951 | const SkImageFilterLight* light, |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1952 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1953 | const SkMatrix& matrix, |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1954 | SkScalar ks, |
senorblanco | d0d37ca | 2015-04-02 04:54:56 -0700 | [diff] [blame] | 1955 | SkScalar shininess, |
senorblanco | 9bd5f74 | 2016-02-17 10:59:47 -0800 | [diff] [blame] | 1956 | BoundaryMode boundaryMode, |
| 1957 | const SkIRect* srcBounds) |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 1958 | : INHERITED(resourceProvider, std::move(proxy), light, surfaceScale, |
| 1959 | matrix, boundaryMode, srcBounds) |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 1960 | , fKS(ks) |
| 1961 | , fShininess(shininess) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1962 | this->initClassID<GrSpecularLightingEffect>(); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1963 | } |
| 1964 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 1965 | bool GrSpecularLightingEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1966 | const GrSpecularLightingEffect& s = sBase.cast<GrSpecularLightingEffect>(); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1967 | return INHERITED::onIsEqual(sBase) && |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1968 | this->ks() == s.ks() && |
| 1969 | this->shininess() == s.shininess(); |
| 1970 | } |
| 1971 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1972 | void GrSpecularLightingEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 1973 | GrProcessorKeyBuilder* b) const { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1974 | GrGLSpecularLightingEffect::GenKey(*this, caps, b); |
| 1975 | } |
| 1976 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 1977 | GrGLSLFragmentProcessor* GrSpecularLightingEffect::onCreateGLSLInstance() const { |
robertphillips | d3b32bf | 2016-02-05 07:15:39 -0800 | [diff] [blame] | 1978 | return new GrGLSpecularLightingEffect; |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1979 | } |
| 1980 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1981 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrSpecularLightingEffect); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1982 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1983 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1984 | sk_sp<GrFragmentProcessor> GrSpecularLightingEffect::TestCreate(GrProcessorTestData* d) { |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1985 | int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx |
| 1986 | : GrProcessorUnitTest::kAlphaTextureIdx; |
| 1987 | sk_sp<GrTextureProxy> proxy = d->textureProxy(texIdx); |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 1988 | SkScalar surfaceScale = d->fRandom->nextSScalar1(); |
| 1989 | SkScalar ks = d->fRandom->nextUScalar1(); |
| 1990 | SkScalar shininess = d->fRandom->nextUScalar1(); |
Hal Canary | 67b39de | 2016-11-07 11:47:44 -0500 | [diff] [blame] | 1991 | sk_sp<SkImageFilterLight> light(create_random_light(d->fRandom)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1992 | SkMatrix matrix; |
| 1993 | for (int i = 0; i < 9; i++) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 1994 | matrix[i] = d->fRandom->nextUScalar1(); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1995 | } |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 1996 | BoundaryMode mode = static_cast<BoundaryMode>(d->fRandom->nextU() % kBoundaryModeCount); |
Robert Phillips | 8e1c4e6 | 2017-02-19 12:27:01 -0500 | [diff] [blame] | 1997 | SkIRect srcBounds = SkIRect::MakeXYWH(d->fRandom->nextRangeU(0, proxy->width()), |
| 1998 | d->fRandom->nextRangeU(0, proxy->height()), |
| 1999 | d->fRandom->nextRangeU(0, proxy->width()), |
| 2000 | d->fRandom->nextRangeU(0, proxy->height())); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 2001 | return GrSpecularLightingEffect::Make(d->resourceProvider(), std::move(proxy), |
Hal Canary | 67b39de | 2016-11-07 11:47:44 -0500 | [diff] [blame] | 2002 | light.get(), surfaceScale, matrix, ks, shininess, mode, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 2003 | &srcBounds); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 2004 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 2005 | #endif |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 2006 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2007 | /////////////////////////////////////////////////////////////////////////////// |
| 2008 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2009 | void GrGLSpecularLightingEffect::emitLightFunc(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 2010 | GrGLSLFPFragmentBuilder* fragBuilder, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2011 | SkString* funcName) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2012 | const char* ks; |
| 2013 | const char* shininess; |
| 2014 | |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2015 | fKSUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2016 | kFloat_GrSLType, kDefault_GrSLPrecision, "KS", &ks); |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2017 | fShininessUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2018 | kFloat_GrSLType, |
| 2019 | kDefault_GrSLPrecision, |
| 2020 | "Shininess", |
| 2021 | &shininess); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 2022 | |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 2023 | static const GrShaderVar gLightArgs[] = { |
| 2024 | GrShaderVar("normal", kVec3f_GrSLType), |
| 2025 | GrShaderVar("surfaceToLight", kVec3f_GrSLType), |
| 2026 | GrShaderVar("lightColor", kVec3f_GrSLType) |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 2027 | }; |
| 2028 | SkString lightBody; |
| 2029 | lightBody.appendf("\tvec3 halfDir = vec3(normalize(surfaceToLight + vec3(0, 0, 1)));\n"); |
Brian Osman | 9bc39bb | 2017-03-17 09:36:31 -0400 | [diff] [blame] | 2030 | lightBody.appendf("\thighp float colorScale = %s * pow(dot(normal, halfDir), %s);\n", |
| 2031 | ks, shininess); |
senorblanco@chromium.org | 7b734e0 | 2012-10-29 19:47:06 +0000 | [diff] [blame] | 2032 | lightBody.appendf("\tvec3 color = lightColor * clamp(colorScale, 0.0, 1.0);\n"); |
| 2033 | lightBody.appendf("\treturn vec4(color, max(max(color.r, color.g), color.b));\n"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2034 | fragBuilder->emitFunction(kVec4f_GrSLType, |
| 2035 | "light", |
| 2036 | SK_ARRAY_COUNT(gLightArgs), |
| 2037 | gLightArgs, |
| 2038 | lightBody.c_str(), |
| 2039 | funcName); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2040 | } |
| 2041 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 2042 | void GrGLSpecularLightingEffect::onSetData(const GrGLSLProgramDataManager& pdman, |
| 2043 | const GrProcessor& effect) { |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 2044 | INHERITED::onSetData(pdman, effect); |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 2045 | const GrSpecularLightingEffect& spec = effect.cast<GrSpecularLightingEffect>(); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2046 | pdman.set1f(fKSUni, spec.ks()); |
| 2047 | pdman.set1f(fShininessUni, spec.shininess()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2048 | } |
| 2049 | |
| 2050 | /////////////////////////////////////////////////////////////////////////////// |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2051 | void GrGLLight::emitLightColorUniform(GrGLSLUniformHandler* uniformHandler) { |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2052 | fColorUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2053 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
| 2054 | "LightColor"); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2055 | } |
| 2056 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2057 | void GrGLLight::emitLightColor(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 2058 | GrGLSLFPFragmentBuilder* fragBuilder, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2059 | const char *surfaceToLight) { |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2060 | fragBuilder->codeAppend(uniformHandler->getUniformCStr(this->lightColorUni())); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2061 | } |
| 2062 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 2063 | void GrGLLight::setData(const GrGLSLProgramDataManager& pdman, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2064 | const SkImageFilterLight* light) const { |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 2065 | setUniformPoint3(pdman, fColorUni, |
| 2066 | light->color().makeScale(SkScalarInvert(SkIntToScalar(255)))); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2067 | } |
| 2068 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2069 | /////////////////////////////////////////////////////////////////////////////// |
| 2070 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 2071 | void GrGLDistantLight::setData(const GrGLSLProgramDataManager& pdman, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2072 | const SkImageFilterLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2073 | INHERITED::setData(pdman, light); |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2074 | SkASSERT(light->type() == SkImageFilterLight::kDistant_LightType); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2075 | const SkDistantLight* distantLight = static_cast<const SkDistantLight*>(light); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2076 | setUniformNormal3(pdman, fDirectionUni, distantLight->direction()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2077 | } |
| 2078 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2079 | void GrGLDistantLight::emitSurfaceToLight(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 2080 | GrGLSLFPFragmentBuilder* fragBuilder, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2081 | const char* z) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2082 | const char* dir; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2083 | fDirectionUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2084 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
| 2085 | "LightDirection", &dir); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2086 | fragBuilder->codeAppend(dir); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2087 | } |
| 2088 | |
| 2089 | /////////////////////////////////////////////////////////////////////////////// |
| 2090 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 2091 | void GrGLPointLight::setData(const GrGLSLProgramDataManager& pdman, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2092 | const SkImageFilterLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2093 | INHERITED::setData(pdman, light); |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2094 | SkASSERT(light->type() == SkImageFilterLight::kPoint_LightType); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2095 | const SkPointLight* pointLight = static_cast<const SkPointLight*>(light); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2096 | setUniformPoint3(pdman, fLocationUni, pointLight->location()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2097 | } |
| 2098 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2099 | void GrGLPointLight::emitSurfaceToLight(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 2100 | GrGLSLFPFragmentBuilder* fragBuilder, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2101 | const char* z) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2102 | const char* loc; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2103 | fLocationUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2104 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
| 2105 | "LightLocation", &loc); |
Ethan Nicholas | 3865711 | 2017-02-09 17:01:22 -0500 | [diff] [blame] | 2106 | fragBuilder->codeAppendf("normalize(%s - vec3(sk_FragCoord.xy, %s))", |
| 2107 | loc, z); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2108 | } |
| 2109 | |
| 2110 | /////////////////////////////////////////////////////////////////////////////// |
| 2111 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 2112 | void GrGLSpotLight::setData(const GrGLSLProgramDataManager& pdman, |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2113 | const SkImageFilterLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2114 | INHERITED::setData(pdman, light); |
robertphillips | 2f0dbc7 | 2015-08-20 05:15:06 -0700 | [diff] [blame] | 2115 | SkASSERT(light->type() == SkImageFilterLight::kSpot_LightType); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2116 | const SkSpotLight* spotLight = static_cast<const SkSpotLight *>(light); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 2117 | setUniformPoint3(pdman, fLocationUni, spotLight->location()); |
| 2118 | pdman.set1f(fExponentUni, spotLight->specularExponent()); |
| 2119 | pdman.set1f(fCosInnerConeAngleUni, spotLight->cosInnerConeAngle()); |
| 2120 | pdman.set1f(fCosOuterConeAngleUni, spotLight->cosOuterConeAngle()); |
| 2121 | pdman.set1f(fConeScaleUni, spotLight->coneScale()); |
| 2122 | setUniformNormal3(pdman, fSUni, spotLight->s()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2123 | } |
| 2124 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2125 | void GrGLSpotLight::emitSurfaceToLight(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 2126 | GrGLSLFPFragmentBuilder* fragBuilder, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2127 | const char* z) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2128 | const char* location; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2129 | fLocationUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2130 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
| 2131 | "LightLocation", &location); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 2132 | |
Ethan Nicholas | 3865711 | 2017-02-09 17:01:22 -0500 | [diff] [blame] | 2133 | fragBuilder->codeAppendf("normalize(%s - vec3(sk_FragCoord.xy, %s))", |
| 2134 | location, z); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2135 | } |
| 2136 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2137 | void GrGLSpotLight::emitLightColor(GrGLSLUniformHandler* uniformHandler, |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 2138 | GrGLSLFPFragmentBuilder* fragBuilder, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2139 | const char *surfaceToLight) { |
| 2140 | |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2141 | const char* color = uniformHandler->getUniformCStr(this->lightColorUni()); // created by parent class. |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2142 | |
| 2143 | const char* exponent; |
| 2144 | const char* cosInner; |
| 2145 | const char* cosOuter; |
| 2146 | const char* coneScale; |
| 2147 | const char* s; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2148 | fExponentUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2149 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 2150 | "Exponent", &exponent); |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2151 | fCosInnerConeAngleUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2152 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 2153 | "CosInnerConeAngle", &cosInner); |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2154 | fCosOuterConeAngleUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2155 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 2156 | "CosOuterConeAngle", &cosOuter); |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2157 | fConeScaleUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2158 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 2159 | "ConeScale", &coneScale); |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 2160 | fSUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 2161 | kVec3f_GrSLType, kDefault_GrSLPrecision, "S", &s); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 2162 | |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 2163 | static const GrShaderVar gLightColorArgs[] = { |
| 2164 | GrShaderVar("surfaceToLight", kVec3f_GrSLType) |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 2165 | }; |
| 2166 | SkString lightColorBody; |
| 2167 | lightColorBody.appendf("\tfloat cosAngle = -dot(surfaceToLight, %s);\n", s); |
| 2168 | lightColorBody.appendf("\tif (cosAngle < %s) {\n", cosOuter); |
| 2169 | lightColorBody.appendf("\t\treturn vec3(0);\n"); |
| 2170 | lightColorBody.appendf("\t}\n"); |
| 2171 | lightColorBody.appendf("\tfloat scale = pow(cosAngle, %s);\n", exponent); |
| 2172 | lightColorBody.appendf("\tif (cosAngle < %s) {\n", cosInner); |
| 2173 | lightColorBody.appendf("\t\treturn %s * scale * (cosAngle - %s) * %s;\n", |
| 2174 | color, cosOuter, coneScale); |
| 2175 | lightColorBody.appendf("\t}\n"); |
caryclark | 0bccd87 | 2015-10-20 10:04:03 -0700 | [diff] [blame] | 2176 | lightColorBody.appendf("\treturn %s;\n", color); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2177 | fragBuilder->emitFunction(kVec3f_GrSLType, |
| 2178 | "lightColor", |
| 2179 | SK_ARRAY_COUNT(gLightColorArgs), |
| 2180 | gLightColorArgs, |
| 2181 | lightColorBody.c_str(), |
| 2182 | &fLightColorFunc); |
skia.committer@gmail.com | e862d16 | 2012-10-31 02:01:18 +0000 | [diff] [blame] | 2183 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 2184 | fragBuilder->codeAppendf("%s(%s)", fLightColorFunc.c_str(), surfaceToLight); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 2185 | } |
| 2186 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 2187 | #endif |
| 2188 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 2189 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingImageFilter) |
| 2190 | SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkDiffuseLightingImageFilter) |
| 2191 | SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSpecularLightingImageFilter) |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 2192 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |