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" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 11 | #include "SkReadBuffer.h" |
| 12 | #include "SkWriteBuffer.h" |
| 13 | #include "SkReadBuffer.h" |
| 14 | #include "SkWriteBuffer.h" |
tomhudson@google.com | 300f562 | 2012-07-20 14:15:22 +0000 | [diff] [blame] | 15 | #include "SkTypes.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 16 | |
| 17 | #if SK_SUPPORT_GPU |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 18 | #include "GrFragmentProcessor.h" |
| 19 | #include "GrInvariantOutput.h" |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 20 | #include "effects/GrSingleTextureEffect.h" |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 21 | #include "gl/GrGLProcessor.h" |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 22 | #include "gl/builders/GrGLProgramBuilder.h" |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 23 | |
| 24 | class GrGLDiffuseLightingEffect; |
| 25 | class GrGLSpecularLightingEffect; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 26 | |
bsalomon@google.com | dbbc4e2 | 2012-07-25 17:48:39 +0000 | [diff] [blame] | 27 | // For brevity |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 28 | typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 29 | #endif |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 30 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 31 | namespace { |
| 32 | |
| 33 | const SkScalar gOneThird = SkScalarInvert(SkIntToScalar(3)); |
| 34 | const SkScalar gTwoThirds = SkScalarDiv(SkIntToScalar(2), SkIntToScalar(3)); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 35 | const SkScalar gOneHalf = 0.5f; |
| 36 | const SkScalar gOneQuarter = 0.25f; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 37 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 38 | #if SK_SUPPORT_GPU |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 39 | void setUniformPoint3(const GrGLProgramDataManager& pdman, UniformHandle uni, |
| 40 | const SkPoint3& point) { |
bsalomon@google.com | b9119a6 | 2012-07-25 17:55:26 +0000 | [diff] [blame] | 41 | GR_STATIC_ASSERT(sizeof(SkPoint3) == 3 * sizeof(GrGLfloat)); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 42 | pdman.set3fv(uni, 1, &point.fX); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 43 | } |
| 44 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 45 | void setUniformNormal3(const GrGLProgramDataManager& pdman, UniformHandle uni, |
| 46 | const SkPoint3& point) { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 47 | setUniformPoint3(pdman, uni, SkPoint3(point.fX, point.fY, point.fZ)); |
senorblanco@chromium.org | f4770d7 | 2012-07-13 18:25:06 +0000 | [diff] [blame] | 48 | } |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 49 | #endif |
senorblanco@chromium.org | f4770d7 | 2012-07-13 18:25:06 +0000 | [diff] [blame] | 50 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 51 | // Shift matrix components to the left, as we advance pixels to the right. |
| 52 | inline void shiftMatrixLeft(int m[9]) { |
| 53 | m[0] = m[1]; |
| 54 | m[3] = m[4]; |
| 55 | m[6] = m[7]; |
| 56 | m[1] = m[2]; |
| 57 | m[4] = m[5]; |
| 58 | m[7] = m[8]; |
| 59 | } |
| 60 | |
| 61 | class DiffuseLightingType { |
| 62 | public: |
| 63 | DiffuseLightingType(SkScalar kd) |
| 64 | : fKD(kd) {} |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 65 | SkPMColor light(const SkPoint3& normal, const SkPoint3& surfaceTolight, |
| 66 | const SkPoint3& lightColor) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 67 | SkScalar colorScale = SkScalarMul(fKD, normal.dot(surfaceTolight)); |
| 68 | colorScale = SkScalarClampMax(colorScale, SK_Scalar1); |
| 69 | SkPoint3 color(lightColor * colorScale); |
| 70 | return SkPackARGB32(255, |
senorblanco@chromium.org | b9c9597 | 2014-03-19 19:44:41 +0000 | [diff] [blame] | 71 | SkClampMax(SkScalarRoundToInt(color.fX), 255), |
| 72 | SkClampMax(SkScalarRoundToInt(color.fY), 255), |
| 73 | SkClampMax(SkScalarRoundToInt(color.fZ), 255)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 74 | } |
| 75 | private: |
| 76 | SkScalar fKD; |
| 77 | }; |
| 78 | |
| 79 | class SpecularLightingType { |
| 80 | public: |
| 81 | SpecularLightingType(SkScalar ks, SkScalar shininess) |
| 82 | : fKS(ks), fShininess(shininess) {} |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 83 | SkPMColor light(const SkPoint3& normal, const SkPoint3& surfaceTolight, |
| 84 | const SkPoint3& lightColor) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 85 | SkPoint3 halfDir(surfaceTolight); |
| 86 | halfDir.fZ += SK_Scalar1; // eye position is always (0, 0, 1) |
| 87 | halfDir.normalize(); |
| 88 | SkScalar colorScale = SkScalarMul(fKS, |
| 89 | SkScalarPow(normal.dot(halfDir), fShininess)); |
| 90 | colorScale = SkScalarClampMax(colorScale, SK_Scalar1); |
| 91 | SkPoint3 color(lightColor * colorScale); |
senorblanco@chromium.org | b9c9597 | 2014-03-19 19:44:41 +0000 | [diff] [blame] | 92 | return SkPackARGB32(SkClampMax(SkScalarRoundToInt(color.maxComponent()), 255), |
| 93 | SkClampMax(SkScalarRoundToInt(color.fX), 255), |
| 94 | SkClampMax(SkScalarRoundToInt(color.fY), 255), |
| 95 | SkClampMax(SkScalarRoundToInt(color.fZ), 255)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 96 | } |
| 97 | private: |
| 98 | SkScalar fKS; |
| 99 | SkScalar fShininess; |
| 100 | }; |
| 101 | |
| 102 | inline SkScalar sobel(int a, int b, int c, int d, int e, int f, SkScalar scale) { |
| 103 | return SkScalarMul(SkIntToScalar(-a + b - 2 * c + 2 * d -e + f), scale); |
| 104 | } |
| 105 | |
| 106 | inline SkPoint3 pointToNormal(SkScalar x, SkScalar y, SkScalar surfaceScale) { |
| 107 | SkPoint3 vector(SkScalarMul(-x, surfaceScale), |
| 108 | SkScalarMul(-y, surfaceScale), |
| 109 | SK_Scalar1); |
| 110 | vector.normalize(); |
| 111 | return vector; |
| 112 | } |
| 113 | |
| 114 | inline SkPoint3 topLeftNormal(int m[9], SkScalar surfaceScale) { |
| 115 | return pointToNormal(sobel(0, 0, m[4], m[5], m[7], m[8], gTwoThirds), |
| 116 | sobel(0, 0, m[4], m[7], m[5], m[8], gTwoThirds), |
| 117 | surfaceScale); |
| 118 | } |
| 119 | |
| 120 | inline SkPoint3 topNormal(int m[9], SkScalar surfaceScale) { |
| 121 | return pointToNormal(sobel( 0, 0, m[3], m[5], m[6], m[8], gOneThird), |
| 122 | sobel(m[3], m[6], m[4], m[7], m[5], m[8], gOneHalf), |
| 123 | surfaceScale); |
| 124 | } |
| 125 | |
| 126 | inline SkPoint3 topRightNormal(int m[9], SkScalar surfaceScale) { |
| 127 | return pointToNormal(sobel( 0, 0, m[3], m[4], m[6], m[7], gTwoThirds), |
| 128 | sobel(m[3], m[6], m[4], m[7], 0, 0, gTwoThirds), |
| 129 | surfaceScale); |
| 130 | } |
| 131 | |
| 132 | inline SkPoint3 leftNormal(int m[9], SkScalar surfaceScale) { |
| 133 | return pointToNormal(sobel(m[1], m[2], m[4], m[5], m[7], m[8], gOneHalf), |
| 134 | sobel( 0, 0, m[1], m[7], m[2], m[8], gOneThird), |
| 135 | surfaceScale); |
| 136 | } |
| 137 | |
| 138 | |
| 139 | inline SkPoint3 interiorNormal(int m[9], SkScalar surfaceScale) { |
| 140 | return pointToNormal(sobel(m[0], m[2], m[3], m[5], m[6], m[8], gOneQuarter), |
| 141 | sobel(m[0], m[6], m[1], m[7], m[2], m[8], gOneQuarter), |
| 142 | surfaceScale); |
| 143 | } |
| 144 | |
| 145 | inline SkPoint3 rightNormal(int m[9], SkScalar surfaceScale) { |
| 146 | return pointToNormal(sobel(m[0], m[1], m[3], m[4], m[6], m[7], gOneHalf), |
| 147 | sobel(m[0], m[6], m[1], m[7], 0, 0, gOneThird), |
| 148 | surfaceScale); |
| 149 | } |
| 150 | |
| 151 | inline SkPoint3 bottomLeftNormal(int m[9], SkScalar surfaceScale) { |
| 152 | return pointToNormal(sobel(m[1], m[2], m[4], m[5], 0, 0, gTwoThirds), |
| 153 | sobel( 0, 0, m[1], m[4], m[2], m[5], gTwoThirds), |
| 154 | surfaceScale); |
| 155 | } |
| 156 | |
| 157 | inline SkPoint3 bottomNormal(int m[9], SkScalar surfaceScale) { |
| 158 | return pointToNormal(sobel(m[0], m[2], m[3], m[5], 0, 0, gOneThird), |
| 159 | sobel(m[0], m[3], m[1], m[4], m[2], m[5], gOneHalf), |
| 160 | surfaceScale); |
| 161 | } |
| 162 | |
| 163 | inline SkPoint3 bottomRightNormal(int m[9], SkScalar surfaceScale) { |
| 164 | return pointToNormal(sobel(m[0], m[1], m[3], m[4], 0, 0, gTwoThirds), |
| 165 | sobel(m[0], m[3], m[1], m[4], 0, 0, gTwoThirds), |
| 166 | surfaceScale); |
| 167 | } |
| 168 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 169 | template <class LightingType, class LightType> void lightBitmap( |
| 170 | const LightingType& lightingType, const SkLight* light, const SkBitmap& src, SkBitmap* dst, |
| 171 | SkScalar surfaceScale, const SkIRect& bounds) { |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 172 | SkASSERT(dst->width() == bounds.width() && dst->height() == bounds.height()); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 173 | const LightType* l = static_cast<const LightType*>(light); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 174 | int left = bounds.left(), right = bounds.right(); |
| 175 | int bottom = bounds.bottom(); |
| 176 | int y = bounds.top(); |
| 177 | SkPMColor* dptr = dst->getAddr32(0, 0); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 178 | { |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 179 | int x = left; |
| 180 | const SkPMColor* row1 = src.getAddr32(x, y); |
| 181 | const SkPMColor* row2 = src.getAddr32(x, y + 1); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 182 | int m[9]; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 183 | m[4] = SkGetPackedA32(*row1++); |
| 184 | m[5] = SkGetPackedA32(*row1++); |
| 185 | m[7] = SkGetPackedA32(*row2++); |
| 186 | m[8] = SkGetPackedA32(*row2++); |
| 187 | SkPoint3 surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 188 | *dptr++ = lightingType.light(topLeftNormal(m, surfaceScale), surfaceToLight, |
| 189 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 190 | for (++x; x < right - 1; ++x) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 191 | { |
| 192 | shiftMatrixLeft(m); |
| 193 | m[5] = SkGetPackedA32(*row1++); |
| 194 | m[8] = SkGetPackedA32(*row2++); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 195 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 196 | *dptr++ = lightingType.light(topNormal(m, surfaceScale), surfaceToLight, |
| 197 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 198 | } |
| 199 | shiftMatrixLeft(m); |
| 200 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 201 | *dptr++ = lightingType.light(topRightNormal(m, surfaceScale), surfaceToLight, |
| 202 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 203 | } |
| 204 | |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 205 | for (++y; y < bottom - 1; ++y) { |
| 206 | int x = left; |
| 207 | const SkPMColor* row0 = src.getAddr32(x, y - 1); |
| 208 | const SkPMColor* row1 = src.getAddr32(x, y); |
| 209 | const SkPMColor* row2 = src.getAddr32(x, y + 1); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 210 | int m[9]; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 211 | m[1] = SkGetPackedA32(*row0++); |
| 212 | m[2] = SkGetPackedA32(*row0++); |
| 213 | m[4] = SkGetPackedA32(*row1++); |
| 214 | m[5] = SkGetPackedA32(*row1++); |
| 215 | m[7] = SkGetPackedA32(*row2++); |
| 216 | m[8] = SkGetPackedA32(*row2++); |
| 217 | SkPoint3 surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 218 | *dptr++ = lightingType.light(leftNormal(m, surfaceScale), surfaceToLight, |
| 219 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 220 | for (++x; x < right - 1; ++x) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 221 | shiftMatrixLeft(m); |
| 222 | m[2] = SkGetPackedA32(*row0++); |
| 223 | m[5] = SkGetPackedA32(*row1++); |
| 224 | m[8] = SkGetPackedA32(*row2++); |
| 225 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 226 | *dptr++ = lightingType.light(interiorNormal(m, surfaceScale), surfaceToLight, |
| 227 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 228 | } |
| 229 | shiftMatrixLeft(m); |
| 230 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 231 | *dptr++ = lightingType.light(rightNormal(m, surfaceScale), surfaceToLight, |
| 232 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | { |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 236 | int x = left; |
| 237 | const SkPMColor* row0 = src.getAddr32(x, bottom - 2); |
| 238 | const SkPMColor* row1 = src.getAddr32(x, bottom - 1); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 239 | int m[9]; |
| 240 | m[1] = SkGetPackedA32(*row0++); |
| 241 | m[2] = SkGetPackedA32(*row0++); |
| 242 | m[4] = SkGetPackedA32(*row1++); |
| 243 | m[5] = SkGetPackedA32(*row1++); |
| 244 | SkPoint3 surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 245 | *dptr++ = lightingType.light(bottomLeftNormal(m, surfaceScale), surfaceToLight, |
| 246 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 247 | for (++x; x < right - 1; ++x) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 248 | { |
| 249 | shiftMatrixLeft(m); |
| 250 | m[2] = SkGetPackedA32(*row0++); |
| 251 | m[5] = SkGetPackedA32(*row1++); |
| 252 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 253 | *dptr++ = lightingType.light(bottomNormal(m, surfaceScale), surfaceToLight, |
| 254 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 255 | } |
| 256 | shiftMatrixLeft(m); |
| 257 | surfaceToLight = l->surfaceToLight(x, y, m[4], surfaceScale); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 258 | *dptr++ = lightingType.light(bottomRightNormal(m, surfaceScale), surfaceToLight, |
| 259 | l->lightColor(surfaceToLight)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 260 | } |
| 261 | } |
| 262 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 263 | SkPoint3 readPoint3(SkReadBuffer& buffer) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 264 | SkPoint3 point; |
| 265 | point.fX = buffer.readScalar(); |
| 266 | point.fY = buffer.readScalar(); |
| 267 | point.fZ = buffer.readScalar(); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 268 | buffer.validate(SkScalarIsFinite(point.fX) && |
| 269 | SkScalarIsFinite(point.fY) && |
| 270 | SkScalarIsFinite(point.fZ)); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 271 | return point; |
| 272 | }; |
| 273 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 274 | void writePoint3(const SkPoint3& point, SkWriteBuffer& buffer) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 275 | buffer.writeScalar(point.fX); |
| 276 | buffer.writeScalar(point.fY); |
| 277 | buffer.writeScalar(point.fZ); |
| 278 | }; |
| 279 | |
| 280 | class SkDiffuseLightingImageFilter : public SkLightingImageFilter { |
| 281 | public: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 282 | static SkImageFilter* Create(SkLight* light, SkScalar surfaceScale, SkScalar kd, SkImageFilter*, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 283 | const CropRect*, uint32_t uniqueID = 0); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 284 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 285 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDiffuseLightingImageFilter) |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 286 | SkScalar kd() const { return fKD; } |
| 287 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 288 | protected: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 289 | SkDiffuseLightingImageFilter(SkLight* light, SkScalar surfaceScale, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 290 | SkScalar kd, SkImageFilter* input, const CropRect* cropRect, |
| 291 | uint32_t uniqueID); |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 292 | virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 293 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 294 | SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 295 | #if SK_SUPPORT_GPU |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 296 | virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&, |
| 297 | const SkIRect& bounds) const SK_OVERRIDE; |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 298 | #endif |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 299 | |
| 300 | private: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 301 | friend class SkLightingImageFilter; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 302 | typedef SkLightingImageFilter INHERITED; |
| 303 | SkScalar fKD; |
| 304 | }; |
| 305 | |
| 306 | class SkSpecularLightingImageFilter : public SkLightingImageFilter { |
| 307 | public: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 308 | static SkImageFilter* Create(SkLight* light, SkScalar surfaceScale, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 309 | SkScalar ks, SkScalar shininess, SkImageFilter*, const CropRect*, |
| 310 | uint32_t uniqueID = 0); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 311 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 312 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSpecularLightingImageFilter) |
| 313 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 314 | SkScalar ks() const { return fKS; } |
| 315 | SkScalar shininess() const { return fShininess; } |
| 316 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 317 | protected: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 318 | SkSpecularLightingImageFilter(SkLight* light, SkScalar surfaceScale, SkScalar ks, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 319 | SkScalar shininess, SkImageFilter* input, const CropRect*, |
| 320 | uint32_t uniqueID); |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 321 | virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 322 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 323 | SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 324 | #if SK_SUPPORT_GPU |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 325 | virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&, |
| 326 | const SkIRect& bounds) const SK_OVERRIDE; |
senorblanco@chromium.org | 1aa6872 | 2013-10-17 19:35:09 +0000 | [diff] [blame] | 327 | #endif |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 328 | |
| 329 | private: |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 330 | SkScalar fKS; |
| 331 | SkScalar fShininess; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 332 | friend class SkLightingImageFilter; |
| 333 | typedef SkLightingImageFilter INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 334 | }; |
| 335 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 336 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 337 | |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 338 | class GrLightingEffect : public GrSingleTextureEffect { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 339 | public: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 340 | GrLightingEffect(GrTexture* texture, const SkLight* light, SkScalar surfaceScale, const SkMatrix& matrix); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 341 | virtual ~GrLightingEffect(); |
| 342 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 343 | const SkLight* light() const { return fLight; } |
| 344 | SkScalar surfaceScale() const { return fSurfaceScale; } |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 345 | const SkMatrix& filterMatrix() const { return fFilterMatrix; } |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 346 | |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 347 | protected: |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 348 | virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 349 | |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 350 | virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE { |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 351 | // lighting shaders are complicated. We just throw up our hands. |
joshualitt | 56995b5 | 2014-12-11 15:44:02 -0800 | [diff] [blame] | 352 | inout->mulByUnknownFourComponents(); |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 353 | } |
| 354 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 355 | private: |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 356 | typedef GrSingleTextureEffect INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 357 | const SkLight* fLight; |
| 358 | SkScalar fSurfaceScale; |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 359 | SkMatrix fFilterMatrix; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 360 | }; |
| 361 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 362 | class GrDiffuseLightingEffect : public GrLightingEffect { |
| 363 | public: |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 364 | static GrFragmentProcessor* Create(GrTexture* texture, |
| 365 | const SkLight* light, |
| 366 | SkScalar surfaceScale, |
| 367 | const SkMatrix& matrix, |
| 368 | SkScalar kd) { |
bsalomon | 55fad7a | 2014-07-08 07:34:20 -0700 | [diff] [blame] | 369 | return SkNEW_ARGS(GrDiffuseLightingEffect, (texture, |
| 370 | light, |
| 371 | surfaceScale, |
| 372 | matrix, |
| 373 | kd)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 374 | } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 375 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 376 | virtual const char* name() const SK_OVERRIDE { return "DiffuseLighting"; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 377 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 378 | virtual void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVERRIDE; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 379 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 380 | virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; |
| 381 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 382 | SkScalar kd() const { return fKD; } |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 383 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 384 | private: |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 385 | virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 386 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 387 | GrDiffuseLightingEffect(GrTexture* texture, |
| 388 | const SkLight* light, |
| 389 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 390 | const SkMatrix& matrix, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 391 | SkScalar kd); |
| 392 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 393 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 394 | typedef GrLightingEffect INHERITED; |
| 395 | SkScalar fKD; |
| 396 | }; |
| 397 | |
| 398 | class GrSpecularLightingEffect : public GrLightingEffect { |
| 399 | public: |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 400 | static GrFragmentProcessor* Create(GrTexture* texture, |
| 401 | const SkLight* light, |
| 402 | SkScalar surfaceScale, |
| 403 | const SkMatrix& matrix, |
| 404 | SkScalar ks, |
| 405 | SkScalar shininess) { |
bsalomon | 55fad7a | 2014-07-08 07:34:20 -0700 | [diff] [blame] | 406 | return SkNEW_ARGS(GrSpecularLightingEffect, (texture, |
| 407 | light, |
| 408 | surfaceScale, |
| 409 | matrix, |
| 410 | ks, |
| 411 | shininess)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 412 | } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 413 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 414 | virtual const char* name() const SK_OVERRIDE { return "SpecularLighting"; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 415 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 416 | virtual void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVERRIDE; |
| 417 | |
| 418 | virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; |
| 419 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 420 | SkScalar ks() const { return fKS; } |
| 421 | SkScalar shininess() const { return fShininess; } |
| 422 | |
| 423 | private: |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 424 | virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 425 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 426 | GrSpecularLightingEffect(GrTexture* texture, |
| 427 | const SkLight* light, |
| 428 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 429 | const SkMatrix& matrix, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 430 | SkScalar ks, |
| 431 | SkScalar shininess); |
| 432 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 433 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 434 | typedef GrLightingEffect INHERITED; |
| 435 | SkScalar fKS; |
| 436 | SkScalar fShininess; |
| 437 | }; |
| 438 | |
| 439 | /////////////////////////////////////////////////////////////////////////////// |
| 440 | |
| 441 | class GrGLLight { |
| 442 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 443 | virtual ~GrGLLight() {} |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 444 | |
| 445 | /** |
| 446 | * This is called by GrGLLightingEffect::emitCode() before either of the two virtual functions |
| 447 | * below. It adds a vec3f uniform visible in the FS that represents the constant light color. |
| 448 | */ |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 449 | void emitLightColorUniform(GrGLFPBuilder*); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 450 | |
skia.committer@gmail.com | e862d16 | 2012-10-31 02:01:18 +0000 | [diff] [blame] | 451 | /** |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 452 | * These two functions are called from GrGLLightingEffect's emitCode() function. |
| 453 | * emitSurfaceToLight places an expression in param out that is the vector from the surface to |
| 454 | * the light. The expression will be used in the FS. emitLightColor writes an expression into |
| 455 | * the FS that is the color of the light. Either function may add functions and/or uniforms to |
| 456 | * the FS. The default of emitLightColor appends the name of the constant light color uniform |
| 457 | * and so this function only needs to be overridden if the light color varies spatially. |
| 458 | */ |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 459 | virtual void emitSurfaceToLight(GrGLFPBuilder*, const char* z) = 0; |
| 460 | virtual void emitLightColor(GrGLFPBuilder*, const char *surfaceToLight); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 461 | |
| 462 | // This is called from GrGLLightingEffect's setData(). Subclasses of GrGLLight must call |
| 463 | // INHERITED::setData(). |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 464 | virtual void setData(const GrGLProgramDataManager&, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 465 | const SkLight* light) const; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 466 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 467 | protected: |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 468 | /** |
| 469 | * Gets the constant light color uniform. Subclasses can use this in their emitLightColor |
| 470 | * function. |
| 471 | */ |
| 472 | UniformHandle lightColorUni() const { return fColorUni; } |
| 473 | |
| 474 | private: |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 475 | UniformHandle fColorUni; |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 476 | |
| 477 | typedef SkRefCnt INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 478 | }; |
| 479 | |
| 480 | /////////////////////////////////////////////////////////////////////////////// |
| 481 | |
| 482 | class GrGLDistantLight : public GrGLLight { |
| 483 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 484 | virtual ~GrGLDistantLight() {} |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 485 | virtual void setData(const GrGLProgramDataManager&, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 486 | const SkLight* light) const SK_OVERRIDE; |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 487 | virtual void emitSurfaceToLight(GrGLFPBuilder*, const char* z) SK_OVERRIDE; |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 488 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 489 | private: |
| 490 | typedef GrGLLight INHERITED; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 491 | UniformHandle fDirectionUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 492 | }; |
| 493 | |
| 494 | /////////////////////////////////////////////////////////////////////////////// |
| 495 | |
| 496 | class GrGLPointLight : public GrGLLight { |
| 497 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 498 | virtual ~GrGLPointLight() {} |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 499 | virtual void setData(const GrGLProgramDataManager&, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 500 | const SkLight* light) const SK_OVERRIDE; |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 501 | virtual void emitSurfaceToLight(GrGLFPBuilder*, const char* z) SK_OVERRIDE; |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 502 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 503 | private: |
| 504 | typedef GrGLLight INHERITED; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 505 | UniformHandle fLocationUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 506 | }; |
| 507 | |
| 508 | /////////////////////////////////////////////////////////////////////////////// |
| 509 | |
| 510 | class GrGLSpotLight : public GrGLLight { |
| 511 | public: |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 512 | virtual ~GrGLSpotLight() {} |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 513 | virtual void setData(const GrGLProgramDataManager&, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 514 | const SkLight* light) const SK_OVERRIDE; |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 515 | virtual void emitSurfaceToLight(GrGLFPBuilder*, const char* z) SK_OVERRIDE; |
| 516 | virtual void emitLightColor(GrGLFPBuilder*, const char *surfaceToLight) SK_OVERRIDE; |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 517 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 518 | private: |
| 519 | typedef GrGLLight INHERITED; |
| 520 | |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 521 | SkString fLightColorFunc; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 522 | UniformHandle fLocationUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 523 | UniformHandle fExponentUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 524 | UniformHandle fCosOuterConeAngleUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 525 | UniformHandle fCosInnerConeAngleUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 526 | UniformHandle fConeScaleUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 527 | UniformHandle fSUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 528 | }; |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 529 | #else |
| 530 | |
| 531 | class GrGLLight; |
| 532 | |
| 533 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 534 | |
| 535 | }; |
| 536 | |
| 537 | /////////////////////////////////////////////////////////////////////////////// |
| 538 | |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 539 | class SkLight : public SkRefCnt { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 540 | public: |
robertphillips@google.com | 0456e0b | 2012-06-27 14:03:26 +0000 | [diff] [blame] | 541 | SK_DECLARE_INST_COUNT(SkLight) |
| 542 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 543 | enum LightType { |
| 544 | kDistant_LightType, |
| 545 | kPoint_LightType, |
| 546 | kSpot_LightType, |
| 547 | }; |
| 548 | virtual LightType type() const = 0; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 549 | const SkPoint3& color() const { return fColor; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 550 | virtual GrGLLight* createGLLight() const = 0; |
| 551 | virtual bool isEqual(const SkLight& other) const { |
| 552 | return fColor == other.fColor; |
| 553 | } |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 554 | // Called to know whether the generated GrGLLight will require access to the fragment position. |
| 555 | virtual bool requiresFragmentPosition() const = 0; |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 556 | virtual SkLight* transform(const SkMatrix& matrix) const = 0; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 557 | |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 558 | // Defined below SkLight's subclasses. |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 559 | void flattenLight(SkWriteBuffer& buffer) const; |
| 560 | static SkLight* UnflattenLight(SkReadBuffer& buffer); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 561 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 562 | protected: |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 563 | SkLight(SkColor color) |
| 564 | : fColor(SkIntToScalar(SkColorGetR(color)), |
| 565 | SkIntToScalar(SkColorGetG(color)), |
| 566 | SkIntToScalar(SkColorGetB(color))) {} |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 567 | SkLight(const SkPoint3& color) |
| 568 | : fColor(color) {} |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 569 | SkLight(SkReadBuffer& buffer) { |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 570 | fColor = readPoint3(buffer); |
| 571 | } |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 572 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 573 | virtual void onFlattenLight(SkWriteBuffer& buffer) const = 0; |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 574 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 575 | |
| 576 | private: |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 577 | typedef SkRefCnt INHERITED; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 578 | SkPoint3 fColor; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 579 | }; |
| 580 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 581 | /////////////////////////////////////////////////////////////////////////////// |
| 582 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 583 | class SkDistantLight : public SkLight { |
| 584 | public: |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 585 | SkDistantLight(const SkPoint3& direction, SkColor color) |
| 586 | : INHERITED(color), fDirection(direction) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 587 | } |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 588 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 589 | SkPoint3 surfaceToLight(int x, int y, int z, SkScalar surfaceScale) const { |
| 590 | return fDirection; |
| 591 | }; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 592 | SkPoint3 lightColor(const SkPoint3&) const { return color(); } |
tfarina | 912ed6e | 2014-12-14 15:20:10 -0800 | [diff] [blame] | 593 | virtual LightType type() const SK_OVERRIDE { return kDistant_LightType; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 594 | const SkPoint3& direction() const { return fDirection; } |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 595 | virtual GrGLLight* createGLLight() const SK_OVERRIDE { |
| 596 | #if SK_SUPPORT_GPU |
| 597 | return SkNEW(GrGLDistantLight); |
| 598 | #else |
| 599 | SkDEBUGFAIL("Should not call in GPU-less build"); |
| 600 | return NULL; |
| 601 | #endif |
| 602 | } |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 603 | virtual bool requiresFragmentPosition() const SK_OVERRIDE { return false; } |
| 604 | |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 605 | virtual bool isEqual(const SkLight& other) const SK_OVERRIDE { |
| 606 | if (other.type() != kDistant_LightType) { |
| 607 | return false; |
| 608 | } |
| 609 | |
| 610 | const SkDistantLight& o = static_cast<const SkDistantLight&>(other); |
| 611 | return INHERITED::isEqual(other) && |
| 612 | fDirection == o.fDirection; |
| 613 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 614 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 615 | SkDistantLight(SkReadBuffer& buffer) : INHERITED(buffer) { |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 616 | fDirection = readPoint3(buffer); |
| 617 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 618 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 619 | protected: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 620 | SkDistantLight(const SkPoint3& direction, const SkPoint3& color) |
| 621 | : INHERITED(color), fDirection(direction) { |
| 622 | } |
tfarina | 912ed6e | 2014-12-14 15:20:10 -0800 | [diff] [blame] | 623 | virtual SkLight* transform(const SkMatrix& matrix) const SK_OVERRIDE { |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 624 | return new SkDistantLight(direction(), color()); |
| 625 | } |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 626 | virtual void onFlattenLight(SkWriteBuffer& buffer) const SK_OVERRIDE { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 627 | writePoint3(fDirection, buffer); |
| 628 | } |
| 629 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 630 | private: |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 631 | typedef SkLight INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 632 | SkPoint3 fDirection; |
| 633 | }; |
| 634 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 635 | /////////////////////////////////////////////////////////////////////////////// |
| 636 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 637 | class SkPointLight : public SkLight { |
| 638 | public: |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 639 | SkPointLight(const SkPoint3& location, SkColor color) |
| 640 | : INHERITED(color), fLocation(location) {} |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 641 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 642 | SkPoint3 surfaceToLight(int x, int y, int z, SkScalar surfaceScale) const { |
| 643 | SkPoint3 direction(fLocation.fX - SkIntToScalar(x), |
| 644 | fLocation.fY - SkIntToScalar(y), |
| 645 | fLocation.fZ - SkScalarMul(SkIntToScalar(z), surfaceScale)); |
| 646 | direction.normalize(); |
| 647 | return direction; |
| 648 | }; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 649 | SkPoint3 lightColor(const SkPoint3&) const { return color(); } |
tfarina | 912ed6e | 2014-12-14 15:20:10 -0800 | [diff] [blame] | 650 | virtual LightType type() const SK_OVERRIDE { return kPoint_LightType; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 651 | const SkPoint3& location() const { return fLocation; } |
| 652 | virtual GrGLLight* createGLLight() const SK_OVERRIDE { |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 653 | #if SK_SUPPORT_GPU |
tomhudson@google.com | 300f562 | 2012-07-20 14:15:22 +0000 | [diff] [blame] | 654 | return SkNEW(GrGLPointLight); |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 655 | #else |
| 656 | SkDEBUGFAIL("Should not call in GPU-less build"); |
| 657 | return NULL; |
| 658 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 659 | } |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 660 | virtual bool requiresFragmentPosition() const SK_OVERRIDE { return true; } |
senorblanco@chromium.org | 6730cbb | 2012-07-11 16:35:00 +0000 | [diff] [blame] | 661 | virtual bool isEqual(const SkLight& other) const SK_OVERRIDE { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 662 | if (other.type() != kPoint_LightType) { |
| 663 | return false; |
| 664 | } |
| 665 | const SkPointLight& o = static_cast<const SkPointLight&>(other); |
| 666 | return INHERITED::isEqual(other) && |
| 667 | fLocation == o.fLocation; |
| 668 | } |
tfarina | 912ed6e | 2014-12-14 15:20:10 -0800 | [diff] [blame] | 669 | virtual SkLight* transform(const SkMatrix& matrix) const SK_OVERRIDE { |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 670 | SkPoint location2 = SkPoint::Make(fLocation.fX, fLocation.fY); |
| 671 | matrix.mapPoints(&location2, 1); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 672 | // Use X scale and Y scale on Z and average the result |
| 673 | SkPoint locationZ = SkPoint::Make(fLocation.fZ, fLocation.fZ); |
| 674 | matrix.mapVectors(&locationZ, 1); |
| 675 | SkPoint3 location(location2.fX, location2.fY, SkScalarAve(locationZ.fX, locationZ.fY)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 676 | return new SkPointLight(location, color()); |
| 677 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 678 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 679 | SkPointLight(SkReadBuffer& buffer) : INHERITED(buffer) { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 680 | fLocation = readPoint3(buffer); |
| 681 | } |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 682 | |
| 683 | protected: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 684 | SkPointLight(const SkPoint3& location, const SkPoint3& color) |
| 685 | : INHERITED(color), fLocation(location) {} |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 686 | virtual void onFlattenLight(SkWriteBuffer& buffer) const SK_OVERRIDE { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 687 | writePoint3(fLocation, buffer); |
| 688 | } |
| 689 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 690 | private: |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 691 | typedef SkLight INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 692 | SkPoint3 fLocation; |
| 693 | }; |
| 694 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 695 | /////////////////////////////////////////////////////////////////////////////// |
| 696 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 697 | class SkSpotLight : public SkLight { |
| 698 | public: |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 699 | SkSpotLight(const SkPoint3& location, const SkPoint3& target, SkScalar specularExponent, SkScalar cutoffAngle, SkColor color) |
| 700 | : INHERITED(color), |
| 701 | fLocation(location), |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 702 | fTarget(target), |
commit-bot@chromium.org | 4b681bc | 2013-09-13 12:40:02 +0000 | [diff] [blame] | 703 | fSpecularExponent(SkScalarPin(specularExponent, kSpecularExponentMin, kSpecularExponentMax)) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 704 | { |
| 705 | fS = target - location; |
| 706 | fS.normalize(); |
| 707 | fCosOuterConeAngle = SkScalarCos(SkDegreesToRadians(cutoffAngle)); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 708 | const SkScalar antiAliasThreshold = 0.016f; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 709 | fCosInnerConeAngle = fCosOuterConeAngle + antiAliasThreshold; |
| 710 | fConeScale = SkScalarInvert(antiAliasThreshold); |
| 711 | } |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 712 | |
tfarina | 912ed6e | 2014-12-14 15:20:10 -0800 | [diff] [blame] | 713 | virtual SkLight* transform(const SkMatrix& matrix) const SK_OVERRIDE { |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 714 | SkPoint location2 = SkPoint::Make(fLocation.fX, fLocation.fY); |
| 715 | matrix.mapPoints(&location2, 1); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 716 | // Use X scale and Y scale on Z and average the result |
| 717 | SkPoint locationZ = SkPoint::Make(fLocation.fZ, fLocation.fZ); |
| 718 | matrix.mapVectors(&locationZ, 1); |
| 719 | SkPoint3 location(location2.fX, location2.fY, SkScalarAve(locationZ.fX, locationZ.fY)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 720 | SkPoint target2 = SkPoint::Make(fTarget.fX, fTarget.fY); |
| 721 | matrix.mapPoints(&target2, 1); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 722 | SkPoint targetZ = SkPoint::Make(fTarget.fZ, fTarget.fZ); |
| 723 | matrix.mapVectors(&targetZ, 1); |
| 724 | SkPoint3 target(target2.fX, target2.fY, SkScalarAve(targetZ.fX, targetZ.fY)); |
| 725 | SkPoint3 s = target - location; |
| 726 | s.normalize(); |
| 727 | return new SkSpotLight(location, target, fSpecularExponent, fCosOuterConeAngle, fCosInnerConeAngle, fConeScale, s, color()); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 728 | } |
| 729 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 730 | SkPoint3 surfaceToLight(int x, int y, int z, SkScalar surfaceScale) const { |
| 731 | SkPoint3 direction(fLocation.fX - SkIntToScalar(x), |
| 732 | fLocation.fY - SkIntToScalar(y), |
| 733 | fLocation.fZ - SkScalarMul(SkIntToScalar(z), surfaceScale)); |
| 734 | direction.normalize(); |
| 735 | return direction; |
| 736 | }; |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 737 | SkPoint3 lightColor(const SkPoint3& surfaceToLight) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 738 | SkScalar cosAngle = -surfaceToLight.dot(fS); |
| 739 | if (cosAngle < fCosOuterConeAngle) { |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 740 | return SkPoint3(0, 0, 0); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 741 | } |
| 742 | SkScalar scale = SkScalarPow(cosAngle, fSpecularExponent); |
| 743 | if (cosAngle < fCosInnerConeAngle) { |
| 744 | scale = SkScalarMul(scale, cosAngle - fCosOuterConeAngle); |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 745 | return color() * SkScalarMul(scale, fConeScale); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 746 | } |
senorblanco@chromium.org | bdb1ec4 | 2012-07-09 14:29:51 +0000 | [diff] [blame] | 747 | return color() * scale; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 748 | } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 749 | virtual GrGLLight* createGLLight() const SK_OVERRIDE { |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 750 | #if SK_SUPPORT_GPU |
tomhudson@google.com | 300f562 | 2012-07-20 14:15:22 +0000 | [diff] [blame] | 751 | return SkNEW(GrGLSpotLight); |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 752 | #else |
| 753 | SkDEBUGFAIL("Should not call in GPU-less build"); |
| 754 | return NULL; |
| 755 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 756 | } |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 757 | virtual bool requiresFragmentPosition() const SK_OVERRIDE { return true; } |
tfarina | 912ed6e | 2014-12-14 15:20:10 -0800 | [diff] [blame] | 758 | virtual LightType type() const SK_OVERRIDE { return kSpot_LightType; } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 759 | const SkPoint3& location() const { return fLocation; } |
| 760 | const SkPoint3& target() const { return fTarget; } |
| 761 | SkScalar specularExponent() const { return fSpecularExponent; } |
| 762 | SkScalar cosInnerConeAngle() const { return fCosInnerConeAngle; } |
| 763 | SkScalar cosOuterConeAngle() const { return fCosOuterConeAngle; } |
| 764 | SkScalar coneScale() const { return fConeScale; } |
senorblanco@chromium.org | eb31184 | 2012-07-11 20:49:26 +0000 | [diff] [blame] | 765 | const SkPoint3& s() const { return fS; } |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 766 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 767 | SkSpotLight(SkReadBuffer& buffer) : INHERITED(buffer) { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 768 | fLocation = readPoint3(buffer); |
| 769 | fTarget = readPoint3(buffer); |
| 770 | fSpecularExponent = buffer.readScalar(); |
| 771 | fCosOuterConeAngle = buffer.readScalar(); |
| 772 | fCosInnerConeAngle = buffer.readScalar(); |
| 773 | fConeScale = buffer.readScalar(); |
| 774 | fS = readPoint3(buffer); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 775 | buffer.validate(SkScalarIsFinite(fSpecularExponent) && |
| 776 | SkScalarIsFinite(fCosOuterConeAngle) && |
| 777 | SkScalarIsFinite(fCosInnerConeAngle) && |
| 778 | SkScalarIsFinite(fConeScale)); |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 779 | } |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 780 | protected: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 781 | SkSpotLight(const SkPoint3& location, const SkPoint3& target, SkScalar specularExponent, SkScalar cosOuterConeAngle, SkScalar cosInnerConeAngle, SkScalar coneScale, const SkPoint3& s, const SkPoint3& color) |
| 782 | : INHERITED(color), |
| 783 | fLocation(location), |
| 784 | fTarget(target), |
| 785 | fSpecularExponent(specularExponent), |
| 786 | fCosOuterConeAngle(cosOuterConeAngle), |
| 787 | fCosInnerConeAngle(cosInnerConeAngle), |
| 788 | fConeScale(coneScale), |
| 789 | fS(s) |
| 790 | { |
| 791 | } |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 792 | virtual void onFlattenLight(SkWriteBuffer& buffer) const SK_OVERRIDE { |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 793 | writePoint3(fLocation, buffer); |
| 794 | writePoint3(fTarget, buffer); |
| 795 | buffer.writeScalar(fSpecularExponent); |
| 796 | buffer.writeScalar(fCosOuterConeAngle); |
| 797 | buffer.writeScalar(fCosInnerConeAngle); |
| 798 | buffer.writeScalar(fConeScale); |
| 799 | writePoint3(fS, buffer); |
| 800 | } |
| 801 | |
senorblanco@chromium.org | bd9fad6 | 2012-07-11 16:25:37 +0000 | [diff] [blame] | 802 | virtual bool isEqual(const SkLight& other) const SK_OVERRIDE { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 803 | if (other.type() != kSpot_LightType) { |
| 804 | return false; |
| 805 | } |
| 806 | |
| 807 | const SkSpotLight& o = static_cast<const SkSpotLight&>(other); |
| 808 | return INHERITED::isEqual(other) && |
| 809 | fLocation == o.fLocation && |
| 810 | fTarget == o.fTarget && |
| 811 | fSpecularExponent == o.fSpecularExponent && |
| 812 | fCosOuterConeAngle == o.fCosOuterConeAngle; |
| 813 | } |
| 814 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 815 | private: |
commit-bot@chromium.org | 4b681bc | 2013-09-13 12:40:02 +0000 | [diff] [blame] | 816 | static const SkScalar kSpecularExponentMin; |
| 817 | static const SkScalar kSpecularExponentMax; |
| 818 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 819 | typedef SkLight INHERITED; |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 820 | SkPoint3 fLocation; |
| 821 | SkPoint3 fTarget; |
| 822 | SkScalar fSpecularExponent; |
| 823 | SkScalar fCosOuterConeAngle; |
| 824 | SkScalar fCosInnerConeAngle; |
| 825 | SkScalar fConeScale; |
| 826 | SkPoint3 fS; |
| 827 | }; |
| 828 | |
commit-bot@chromium.org | 4b681bc | 2013-09-13 12:40:02 +0000 | [diff] [blame] | 829 | // According to the spec, the specular term should be in the range [1, 128] : |
| 830 | // http://www.w3.org/TR/SVG/filters.html#feSpecularLightingSpecularExponentAttribute |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 831 | const SkScalar SkSpotLight::kSpecularExponentMin = 1.0f; |
| 832 | const SkScalar SkSpotLight::kSpecularExponentMax = 128.0f; |
commit-bot@chromium.org | 4b681bc | 2013-09-13 12:40:02 +0000 | [diff] [blame] | 833 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 834 | /////////////////////////////////////////////////////////////////////////////// |
| 835 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 836 | void SkLight::flattenLight(SkWriteBuffer& buffer) const { |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 837 | // Write type first, then baseclass, then subclass. |
| 838 | buffer.writeInt(this->type()); |
| 839 | writePoint3(fColor, buffer); |
| 840 | this->onFlattenLight(buffer); |
| 841 | } |
| 842 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 843 | /*static*/ SkLight* SkLight::UnflattenLight(SkReadBuffer& buffer) { |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 844 | // Read type first. |
| 845 | const SkLight::LightType type = (SkLight::LightType)buffer.readInt(); |
| 846 | switch (type) { |
| 847 | // Each of these constructors must first call SkLight's, so we'll read the baseclass |
| 848 | // then subclass, same order as flattenLight. |
| 849 | case SkLight::kDistant_LightType: return SkNEW_ARGS(SkDistantLight, (buffer)); |
| 850 | case SkLight::kPoint_LightType: return SkNEW_ARGS(SkPointLight, (buffer)); |
| 851 | case SkLight::kSpot_LightType: return SkNEW_ARGS(SkSpotLight, (buffer)); |
| 852 | default: |
| 853 | SkDEBUGFAIL("Unknown LightType."); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 854 | buffer.validate(false); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 855 | return NULL; |
| 856 | } |
| 857 | } |
| 858 | /////////////////////////////////////////////////////////////////////////////// |
| 859 | |
senorblanco | 9ea3d57 | 2014-07-08 09:16:22 -0700 | [diff] [blame] | 860 | SkLightingImageFilter::SkLightingImageFilter(SkLight* light, SkScalar surfaceScale, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 861 | SkImageFilter* input, const CropRect* cropRect, |
| 862 | uint32_t uniqueID) |
| 863 | : INHERITED(1, &input, cropRect, uniqueID) |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 864 | , fLight(SkRef(light)) |
| 865 | , fSurfaceScale(surfaceScale / 255) |
| 866 | {} |
| 867 | |
| 868 | SkImageFilter* SkLightingImageFilter::CreateDistantLitDiffuse(const SkPoint3& direction, |
| 869 | SkColor lightColor, |
| 870 | SkScalar surfaceScale, |
| 871 | SkScalar kd, |
| 872 | SkImageFilter* input, |
| 873 | const CropRect* cropRect) { |
| 874 | SkAutoTUnref<SkLight> light(SkNEW_ARGS(SkDistantLight, (direction, lightColor))); |
| 875 | return SkDiffuseLightingImageFilter::Create(light, surfaceScale, kd, input, cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 876 | } |
| 877 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 878 | SkImageFilter* SkLightingImageFilter::CreatePointLitDiffuse(const SkPoint3& location, |
| 879 | SkColor lightColor, |
| 880 | SkScalar surfaceScale, |
| 881 | SkScalar kd, |
| 882 | SkImageFilter* input, |
| 883 | const CropRect* cropRect) { |
| 884 | SkAutoTUnref<SkLight> light(SkNEW_ARGS(SkPointLight, (location, lightColor))); |
| 885 | return SkDiffuseLightingImageFilter::Create(light, surfaceScale, kd, input, cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 886 | } |
| 887 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 888 | SkImageFilter* SkLightingImageFilter::CreateSpotLitDiffuse(const SkPoint3& location, |
| 889 | const SkPoint3& target, |
| 890 | SkScalar specularExponent, |
| 891 | SkScalar cutoffAngle, |
| 892 | SkColor lightColor, |
| 893 | SkScalar surfaceScale, |
| 894 | SkScalar kd, |
| 895 | SkImageFilter* input, |
| 896 | const CropRect* cropRect) { |
| 897 | SkAutoTUnref<SkLight> light(SkNEW_ARGS(SkSpotLight, (location, target, specularExponent, |
| 898 | cutoffAngle, lightColor))); |
| 899 | return SkDiffuseLightingImageFilter::Create(light, surfaceScale, kd, input, cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 900 | } |
| 901 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 902 | SkImageFilter* SkLightingImageFilter::CreateDistantLitSpecular(const SkPoint3& direction, |
| 903 | SkColor lightColor, |
| 904 | SkScalar surfaceScale, |
| 905 | SkScalar ks, |
| 906 | SkScalar shine, |
| 907 | SkImageFilter* input, |
| 908 | const CropRect* cropRect) { |
| 909 | SkAutoTUnref<SkLight> light(SkNEW_ARGS(SkDistantLight, (direction, lightColor))); |
| 910 | return SkSpecularLightingImageFilter::Create(light, surfaceScale, ks, shine, input, cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 911 | } |
| 912 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 913 | SkImageFilter* SkLightingImageFilter::CreatePointLitSpecular(const SkPoint3& location, |
| 914 | SkColor lightColor, |
| 915 | SkScalar surfaceScale, |
| 916 | SkScalar ks, |
| 917 | SkScalar shine, |
| 918 | SkImageFilter* input, |
| 919 | const CropRect* cropRect) { |
| 920 | SkAutoTUnref<SkLight> light(SkNEW_ARGS(SkPointLight, (location, lightColor))); |
| 921 | return SkSpecularLightingImageFilter::Create(light, surfaceScale, ks, shine, input, cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 922 | } |
| 923 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 924 | SkImageFilter* SkLightingImageFilter::CreateSpotLitSpecular(const SkPoint3& location, |
| 925 | const SkPoint3& target, |
| 926 | SkScalar specularExponent, |
| 927 | SkScalar cutoffAngle, |
| 928 | SkColor lightColor, |
| 929 | SkScalar surfaceScale, |
| 930 | SkScalar ks, |
| 931 | SkScalar shine, |
| 932 | SkImageFilter* input, |
| 933 | const CropRect* cropRect) { |
| 934 | SkAutoTUnref<SkLight> light(SkNEW_ARGS(SkSpotLight, (location, target, specularExponent, |
| 935 | cutoffAngle, lightColor))); |
| 936 | return SkSpecularLightingImageFilter::Create(light, surfaceScale, ks, shine, input, cropRect); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 937 | } |
| 938 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 939 | SkLightingImageFilter::~SkLightingImageFilter() {} |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 940 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 941 | void SkLightingImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 942 | this->INHERITED::flatten(buffer); |
commit-bot@chromium.org | 790c3f4 | 2013-10-14 16:28:56 +0000 | [diff] [blame] | 943 | fLight->flattenLight(buffer); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 944 | buffer.writeScalar(fSurfaceScale * 255); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 945 | } |
| 946 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 947 | /////////////////////////////////////////////////////////////////////////////// |
| 948 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 949 | SkImageFilter* SkDiffuseLightingImageFilter::Create(SkLight* light, SkScalar surfaceScale, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 950 | SkScalar kd, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 951 | if (NULL == light) { |
| 952 | return NULL; |
| 953 | } |
| 954 | if (!SkScalarIsFinite(surfaceScale) || !SkScalarIsFinite(kd)) { |
| 955 | return NULL; |
| 956 | } |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 957 | // According to the spec, kd can be any non-negative number : |
| 958 | // http://www.w3.org/TR/SVG/filters.html#feDiffuseLightingElement |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 959 | if (kd < 0) { |
| 960 | return NULL; |
| 961 | } |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 962 | return SkNEW_ARGS(SkDiffuseLightingImageFilter, (light, surfaceScale, kd, input, cropRect, uniqueID)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 963 | } |
| 964 | |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 965 | SkDiffuseLightingImageFilter::SkDiffuseLightingImageFilter(SkLight* light, SkScalar surfaceScale, SkScalar kd, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID) |
| 966 | : SkLightingImageFilter(light, surfaceScale, input, cropRect, uniqueID), |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 967 | fKD(kd) |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 968 | { |
| 969 | } |
| 970 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 971 | SkFlattenable* SkDiffuseLightingImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 972 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 973 | SkAutoTUnref<SkLight> light(SkLight::UnflattenLight(buffer)); |
| 974 | SkScalar surfaceScale = buffer.readScalar(); |
| 975 | SkScalar kd = buffer.readScalar(); |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 976 | return Create(light, surfaceScale, kd, common.getInput(0), &common.cropRect(), common.uniqueID()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 977 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 978 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 979 | void SkDiffuseLightingImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 980 | this->INHERITED::flatten(buffer); |
| 981 | buffer.writeScalar(fKD); |
| 982 | } |
| 983 | |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 984 | bool SkDiffuseLightingImageFilter::onFilterImage(Proxy* proxy, |
| 985 | const SkBitmap& source, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 986 | const Context& ctx, |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 987 | SkBitmap* dst, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 988 | SkIPoint* offset) const { |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 989 | SkImageFilter* input = getInput(0); |
| 990 | SkBitmap src = source; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 991 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 992 | if (input && !input->filterImage(proxy, source, ctx, &src, &srcOffset)) { |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 993 | return false; |
| 994 | } |
| 995 | |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 996 | if (src.colorType() != kN32_SkColorType) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 997 | return false; |
| 998 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 999 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 1000 | if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1001 | return false; |
| 1002 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1003 | |
| 1004 | if (bounds.width() < 2 || bounds.height() < 2) { |
| 1005 | return false; |
| 1006 | } |
| 1007 | |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 1008 | SkAutoLockPixels alp(src); |
| 1009 | if (!src.getPixels()) { |
| 1010 | return false; |
| 1011 | } |
| 1012 | |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 1013 | if (!dst->tryAllocPixels(src.info().makeWH(bounds.width(), bounds.height()))) { |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 1014 | return false; |
| 1015 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1016 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1017 | SkAutoTUnref<SkLight> transformedLight(light()->transform(ctx.ctm())); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1018 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1019 | DiffuseLightingType lightingType(fKD); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1020 | offset->fX = bounds.left(); |
| 1021 | offset->fY = bounds.top(); |
| 1022 | bounds.offset(-srcOffset); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1023 | switch (transformedLight->type()) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1024 | case SkLight::kDistant_LightType: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1025 | lightBitmap<DiffuseLightingType, SkDistantLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1026 | break; |
| 1027 | case SkLight::kPoint_LightType: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1028 | lightBitmap<DiffuseLightingType, SkPointLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1029 | break; |
| 1030 | case SkLight::kSpot_LightType: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1031 | lightBitmap<DiffuseLightingType, SkSpotLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1032 | break; |
| 1033 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1034 | |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1035 | return true; |
| 1036 | } |
| 1037 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1038 | #if SK_SUPPORT_GPU |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1039 | bool SkDiffuseLightingImageFilter::asFragmentProcessor(GrFragmentProcessor** fp, |
| 1040 | GrTexture* texture, |
| 1041 | const SkMatrix& matrix, |
| 1042 | const SkIRect&) const { |
| 1043 | if (fp) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1044 | SkScalar scale = SkScalarMul(surfaceScale(), SkIntToScalar(255)); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1045 | *fp = GrDiffuseLightingEffect::Create(texture, light(), scale, matrix, kd()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1046 | } |
| 1047 | return true; |
| 1048 | } |
senorblanco@chromium.org | d043cce | 2013-04-08 19:43:22 +0000 | [diff] [blame] | 1049 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1050 | |
| 1051 | /////////////////////////////////////////////////////////////////////////////// |
| 1052 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1053 | SkImageFilter* SkSpecularLightingImageFilter::Create(SkLight* light, SkScalar surfaceScale, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 1054 | SkScalar ks, SkScalar shininess, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1055 | if (NULL == light) { |
| 1056 | return NULL; |
| 1057 | } |
| 1058 | if (!SkScalarIsFinite(surfaceScale) || !SkScalarIsFinite(ks) || !SkScalarIsFinite(shininess)) { |
| 1059 | return NULL; |
| 1060 | } |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 1061 | // According to the spec, ks can be any non-negative number : |
| 1062 | // http://www.w3.org/TR/SVG/filters.html#feSpecularLightingElement |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1063 | if (ks < 0) { |
| 1064 | return NULL; |
| 1065 | } |
| 1066 | return SkNEW_ARGS(SkSpecularLightingImageFilter, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 1067 | (light, surfaceScale, ks, shininess, input, cropRect, uniqueID)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1068 | } |
| 1069 | |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 1070 | SkSpecularLightingImageFilter::SkSpecularLightingImageFilter(SkLight* light, SkScalar surfaceScale, SkScalar ks, SkScalar shininess, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID) |
| 1071 | : SkLightingImageFilter(light, surfaceScale, input, cropRect, uniqueID), |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1072 | fKS(ks), |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1073 | fShininess(shininess) |
| 1074 | { |
| 1075 | } |
| 1076 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1077 | SkFlattenable* SkSpecularLightingImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 1078 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 1079 | SkAutoTUnref<SkLight> light(SkLight::UnflattenLight(buffer)); |
| 1080 | SkScalar surfaceScale = buffer.readScalar(); |
| 1081 | SkScalar ks = buffer.readScalar(); |
| 1082 | SkScalar shine = buffer.readScalar(); |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 1083 | return Create(light, surfaceScale, ks, shine, common.getInput(0), &common.cropRect(), common.uniqueID()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 1084 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1085 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 1086 | void SkSpecularLightingImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1087 | this->INHERITED::flatten(buffer); |
| 1088 | buffer.writeScalar(fKS); |
| 1089 | buffer.writeScalar(fShininess); |
| 1090 | } |
| 1091 | |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 1092 | bool SkSpecularLightingImageFilter::onFilterImage(Proxy* proxy, |
| 1093 | const SkBitmap& source, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1094 | const Context& ctx, |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1095 | SkBitmap* dst, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 1096 | SkIPoint* offset) const { |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 1097 | SkImageFilter* input = getInput(0); |
| 1098 | SkBitmap src = source; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1099 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1100 | if (input && !input->filterImage(proxy, source, ctx, &src, &srcOffset)) { |
commit-bot@chromium.org | a8aef8b | 2013-10-23 15:33:44 +0000 | [diff] [blame] | 1101 | return false; |
| 1102 | } |
| 1103 | |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 1104 | if (src.colorType() != kN32_SkColorType) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1105 | return false; |
| 1106 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1107 | |
| 1108 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 1109 | if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1110 | return false; |
| 1111 | } |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1112 | |
| 1113 | if (bounds.width() < 2 || bounds.height() < 2) { |
| 1114 | return false; |
| 1115 | } |
| 1116 | |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 1117 | SkAutoLockPixels alp(src); |
| 1118 | if (!src.getPixels()) { |
| 1119 | return false; |
| 1120 | } |
| 1121 | |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 1122 | if (!dst->tryAllocPixels(src.info().makeWH(bounds.width(), bounds.height()))) { |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 1123 | return false; |
| 1124 | } |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1125 | |
| 1126 | SpecularLightingType lightingType(fKS, fShininess); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1127 | offset->fX = bounds.left(); |
| 1128 | offset->fY = bounds.top(); |
| 1129 | bounds.offset(-srcOffset); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1130 | SkAutoTUnref<SkLight> transformedLight(light()->transform(ctx.ctm())); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1131 | switch (transformedLight->type()) { |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1132 | case SkLight::kDistant_LightType: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1133 | lightBitmap<SpecularLightingType, SkDistantLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1134 | break; |
| 1135 | case SkLight::kPoint_LightType: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1136 | lightBitmap<SpecularLightingType, SkPointLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1137 | break; |
| 1138 | case SkLight::kSpot_LightType: |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1139 | lightBitmap<SpecularLightingType, SkSpotLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds); |
senorblanco@chromium.org | f49b429 | 2012-06-22 21:01:23 +0000 | [diff] [blame] | 1140 | break; |
| 1141 | } |
| 1142 | return true; |
| 1143 | } |
| 1144 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1145 | #if SK_SUPPORT_GPU |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1146 | bool SkSpecularLightingImageFilter::asFragmentProcessor(GrFragmentProcessor** fp, |
| 1147 | GrTexture* texture, |
| 1148 | const SkMatrix& matrix, |
| 1149 | const SkIRect&) const { |
| 1150 | if (fp) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1151 | SkScalar scale = SkScalarMul(surfaceScale(), SkIntToScalar(255)); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1152 | *fp = GrSpecularLightingEffect::Create(texture, light(), scale, matrix, ks(), shininess()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1153 | } |
| 1154 | return true; |
| 1155 | } |
senorblanco@chromium.org | d043cce | 2013-04-08 19:43:22 +0000 | [diff] [blame] | 1156 | #endif |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1157 | |
| 1158 | /////////////////////////////////////////////////////////////////////////////// |
| 1159 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1160 | #if SK_SUPPORT_GPU |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1161 | |
| 1162 | namespace { |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 1163 | SkPoint3 random_point3(SkRandom* random) { |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1164 | return SkPoint3(SkScalarToFloat(random->nextSScalar1()), |
| 1165 | SkScalarToFloat(random->nextSScalar1()), |
| 1166 | SkScalarToFloat(random->nextSScalar1())); |
| 1167 | } |
| 1168 | |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 1169 | SkLight* create_random_light(SkRandom* random) { |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1170 | int type = random->nextULessThan(3); |
| 1171 | switch (type) { |
| 1172 | case 0: { |
| 1173 | return SkNEW_ARGS(SkDistantLight, (random_point3(random), random->nextU())); |
| 1174 | } |
| 1175 | case 1: { |
| 1176 | return SkNEW_ARGS(SkPointLight, (random_point3(random), random->nextU())); |
| 1177 | } |
| 1178 | case 2: { |
| 1179 | return SkNEW_ARGS(SkSpotLight, (random_point3(random), |
| 1180 | random_point3(random), |
| 1181 | random->nextUScalar1(), |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1182 | random->nextUScalar1(), |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1183 | random->nextU())); |
| 1184 | } |
| 1185 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 1186 | SkFAIL("Unexpected value."); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1187 | return NULL; |
| 1188 | } |
| 1189 | } |
| 1190 | |
| 1191 | } |
| 1192 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1193 | class GrGLLightingEffect : public GrGLFragmentProcessor { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1194 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1195 | GrGLLightingEffect(const GrProcessor&); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1196 | virtual ~GrGLLightingEffect(); |
| 1197 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1198 | virtual void emitCode(GrGLFPBuilder*, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1199 | const GrFragmentProcessor&, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1200 | const char* outputColor, |
| 1201 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 1202 | const TransformedCoordsArray&, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1203 | const TextureSamplerArray&) SK_OVERRIDE; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1204 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1205 | static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder* b); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1206 | |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1207 | /** |
| 1208 | * Subclasses of GrGLLightingEffect must call INHERITED::setData(); |
| 1209 | */ |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1210 | virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1211 | |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1212 | protected: |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1213 | virtual void emitLightFunc(GrGLFPBuilder*, SkString* funcName) = 0; |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1214 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1215 | private: |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1216 | typedef GrGLFragmentProcessor INHERITED; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1217 | |
bsalomon@google.com | 17fc651 | 2012-11-02 21:45:01 +0000 | [diff] [blame] | 1218 | UniformHandle fImageIncrementUni; |
| 1219 | UniformHandle fSurfaceScaleUni; |
| 1220 | GrGLLight* fLight; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1221 | }; |
| 1222 | |
| 1223 | /////////////////////////////////////////////////////////////////////////////// |
| 1224 | |
| 1225 | class GrGLDiffuseLightingEffect : public GrGLLightingEffect { |
| 1226 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1227 | GrGLDiffuseLightingEffect(const GrProcessor&); |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1228 | virtual void emitLightFunc(GrGLFPBuilder*, SkString* funcName) SK_OVERRIDE; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1229 | virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1230 | |
| 1231 | private: |
| 1232 | typedef GrGLLightingEffect INHERITED; |
| 1233 | |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1234 | UniformHandle fKDUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1235 | }; |
| 1236 | |
| 1237 | /////////////////////////////////////////////////////////////////////////////// |
| 1238 | |
| 1239 | class GrGLSpecularLightingEffect : public GrGLLightingEffect { |
| 1240 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1241 | GrGLSpecularLightingEffect(const GrProcessor&); |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1242 | virtual void emitLightFunc(GrGLFPBuilder*, SkString* funcName) SK_OVERRIDE; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1243 | virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1244 | |
| 1245 | private: |
| 1246 | typedef GrGLLightingEffect INHERITED; |
| 1247 | |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1248 | UniformHandle fKSUni; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1249 | UniformHandle fShininessUni; |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1250 | }; |
| 1251 | |
| 1252 | /////////////////////////////////////////////////////////////////////////////// |
| 1253 | |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1254 | GrLightingEffect::GrLightingEffect(GrTexture* texture, |
| 1255 | const SkLight* light, |
| 1256 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1257 | const SkMatrix& matrix) |
bsalomon | 6267f81 | 2014-08-29 15:05:53 -0700 | [diff] [blame] | 1258 | : INHERITED(texture, GrCoordTransform::MakeDivByTextureWHMatrix(texture)) |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 1259 | , fLight(light) |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1260 | , fSurfaceScale(surfaceScale) |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1261 | , fFilterMatrix(matrix) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1262 | fLight->ref(); |
commit-bot@chromium.org | 8d47ddc | 2013-05-09 14:55:46 +0000 | [diff] [blame] | 1263 | if (light->requiresFragmentPosition()) { |
| 1264 | this->setWillReadFragmentPosition(); |
| 1265 | } |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1266 | } |
| 1267 | |
| 1268 | GrLightingEffect::~GrLightingEffect() { |
| 1269 | fLight->unref(); |
| 1270 | } |
| 1271 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 1272 | bool GrLightingEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1273 | const GrLightingEffect& s = sBase.cast<GrLightingEffect>(); |
bsalomon | 420d7e9 | 2014-10-16 09:18:09 -0700 | [diff] [blame] | 1274 | return fLight->isEqual(*s.fLight) && |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1275 | fSurfaceScale == s.fSurfaceScale; |
| 1276 | } |
| 1277 | |
| 1278 | /////////////////////////////////////////////////////////////////////////////// |
| 1279 | |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1280 | GrDiffuseLightingEffect::GrDiffuseLightingEffect(GrTexture* texture, |
| 1281 | const SkLight* light, |
| 1282 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1283 | const SkMatrix& matrix, |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1284 | SkScalar kd) |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1285 | : INHERITED(texture, light, surfaceScale, matrix), fKD(kd) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1286 | this->initClassID<GrDiffuseLightingEffect>(); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1287 | } |
| 1288 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 1289 | bool GrDiffuseLightingEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1290 | const GrDiffuseLightingEffect& s = sBase.cast<GrDiffuseLightingEffect>(); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1291 | return INHERITED::onIsEqual(sBase) && |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1292 | this->kd() == s.kd(); |
| 1293 | } |
| 1294 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1295 | void GrDiffuseLightingEffect::getGLProcessorKey(const GrGLCaps& caps, |
| 1296 | GrProcessorKeyBuilder* b) const { |
| 1297 | GrGLDiffuseLightingEffect::GenKey(*this, caps, b); |
| 1298 | } |
| 1299 | |
| 1300 | GrGLFragmentProcessor* GrDiffuseLightingEffect::createGLInstance() const { |
| 1301 | return SkNEW_ARGS(GrGLDiffuseLightingEffect, (*this)); |
| 1302 | } |
| 1303 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1304 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrDiffuseLightingEffect); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1305 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1306 | GrFragmentProcessor* GrDiffuseLightingEffect::TestCreate(SkRandom* random, |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 1307 | GrContext* context, |
| 1308 | const GrDrawTargetCaps&, |
| 1309 | GrTexture* textures[]) { |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1310 | SkScalar surfaceScale = random->nextSScalar1(); |
| 1311 | SkScalar kd = random->nextUScalar1(); |
| 1312 | SkAutoTUnref<SkLight> light(create_random_light(random)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1313 | SkMatrix matrix; |
| 1314 | for (int i = 0; i < 9; i++) { |
| 1315 | matrix[i] = random->nextUScalar1(); |
| 1316 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1317 | return GrDiffuseLightingEffect::Create(textures[GrProcessorUnitTest::kAlphaTextureIdx], |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1318 | light, surfaceScale, matrix, kd); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1319 | } |
| 1320 | |
| 1321 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1322 | /////////////////////////////////////////////////////////////////////////////// |
| 1323 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1324 | GrGLLightingEffect::GrGLLightingEffect(const GrProcessor& fp) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1325 | const GrLightingEffect& m = fp.cast<GrLightingEffect>(); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1326 | fLight = m.light()->createGLLight(); |
| 1327 | } |
| 1328 | |
| 1329 | GrGLLightingEffect::~GrGLLightingEffect() { |
| 1330 | delete fLight; |
| 1331 | } |
| 1332 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1333 | void GrGLLightingEffect::emitCode(GrGLFPBuilder* builder, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1334 | const GrFragmentProcessor&, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1335 | const char* outputColor, |
| 1336 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 1337 | const TransformedCoordsArray& coords, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1338 | const TextureSamplerArray& samplers) { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1339 | fImageIncrementUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1340 | kVec2f_GrSLType, kDefault_GrSLPrecision, |
bsalomon@google.com | 777c3aa | 2012-07-25 20:58:20 +0000 | [diff] [blame] | 1341 | "ImageIncrement"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1342 | fSurfaceScaleUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1343 | kFloat_GrSLType, kDefault_GrSLPrecision, |
bsalomon@google.com | 777c3aa | 2012-07-25 20:58:20 +0000 | [diff] [blame] | 1344 | "SurfaceScale"); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1345 | fLight->emitLightColorUniform(builder); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1346 | SkString lightFunc; |
| 1347 | this->emitLightFunc(builder, &lightFunc); |
| 1348 | static const GrGLShaderVar gSobelArgs[] = { |
| 1349 | GrGLShaderVar("a", kFloat_GrSLType), |
| 1350 | GrGLShaderVar("b", kFloat_GrSLType), |
| 1351 | GrGLShaderVar("c", kFloat_GrSLType), |
| 1352 | GrGLShaderVar("d", kFloat_GrSLType), |
| 1353 | GrGLShaderVar("e", kFloat_GrSLType), |
| 1354 | GrGLShaderVar("f", kFloat_GrSLType), |
| 1355 | GrGLShaderVar("scale", kFloat_GrSLType), |
| 1356 | }; |
| 1357 | SkString sobelFuncName; |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1358 | GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1359 | SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); |
| 1360 | |
| 1361 | fsBuilder->emitFunction(kFloat_GrSLType, |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 1362 | "sobel", |
| 1363 | SK_ARRAY_COUNT(gSobelArgs), |
| 1364 | gSobelArgs, |
| 1365 | "\treturn (-a + b - 2.0 * c + 2.0 * d -e + f) * scale;\n", |
| 1366 | &sobelFuncName); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1367 | static const GrGLShaderVar gPointToNormalArgs[] = { |
| 1368 | GrGLShaderVar("x", kFloat_GrSLType), |
| 1369 | GrGLShaderVar("y", kFloat_GrSLType), |
| 1370 | GrGLShaderVar("scale", kFloat_GrSLType), |
| 1371 | }; |
| 1372 | SkString pointToNormalName; |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1373 | fsBuilder->emitFunction(kVec3f_GrSLType, |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 1374 | "pointToNormal", |
| 1375 | SK_ARRAY_COUNT(gPointToNormalArgs), |
| 1376 | gPointToNormalArgs, |
| 1377 | "\treturn normalize(vec3(-x * scale, y * scale, 1));\n", |
| 1378 | &pointToNormalName); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1379 | |
| 1380 | static const GrGLShaderVar gInteriorNormalArgs[] = { |
| 1381 | GrGLShaderVar("m", kFloat_GrSLType, 9), |
| 1382 | GrGLShaderVar("surfaceScale", kFloat_GrSLType), |
| 1383 | }; |
| 1384 | SkString interiorNormalBody; |
| 1385 | interiorNormalBody.appendf("\treturn %s(%s(m[0], m[2], m[3], m[5], m[6], m[8], 0.25),\n" |
| 1386 | "\t %s(m[0], m[6], m[1], m[7], m[2], m[8], 0.25),\n" |
| 1387 | "\t surfaceScale);\n", |
| 1388 | pointToNormalName.c_str(), |
| 1389 | sobelFuncName.c_str(), |
| 1390 | sobelFuncName.c_str()); |
| 1391 | SkString interiorNormalName; |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1392 | fsBuilder->emitFunction(kVec3f_GrSLType, |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 1393 | "interiorNormal", |
| 1394 | SK_ARRAY_COUNT(gInteriorNormalArgs), |
| 1395 | gInteriorNormalArgs, |
| 1396 | interiorNormalBody.c_str(), |
| 1397 | &interiorNormalName); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1398 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1399 | fsBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str()); |
| 1400 | fsBuilder->codeAppend("\t\tfloat m[9];\n"); |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1401 | |
| 1402 | const char* imgInc = builder->getUniformCStr(fImageIncrementUni); |
| 1403 | const char* surfScale = builder->getUniformCStr(fSurfaceScaleUni); |
| 1404 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1405 | int index = 0; |
| 1406 | for (int dy = -1; dy <= 1; dy++) { |
| 1407 | for (int dx = -1; dx <= 1; dx++) { |
| 1408 | SkString texCoords; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1409 | texCoords.appendf("coord + vec2(%d, %d) * %s", dx, dy, imgInc); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1410 | fsBuilder->codeAppendf("\t\tm[%d] = ", index++); |
| 1411 | fsBuilder->appendTextureLookup(samplers[0], texCoords.c_str()); |
| 1412 | fsBuilder->codeAppend(".a;\n"); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1413 | } |
| 1414 | } |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1415 | fsBuilder->codeAppend("\t\tvec3 surfaceToLight = "); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1416 | SkString arg; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 1417 | arg.appendf("%s * m[4]", surfScale); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 1418 | fLight->emitSurfaceToLight(builder, arg.c_str()); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1419 | fsBuilder->codeAppend(";\n"); |
| 1420 | fsBuilder->codeAppendf("\t\t%s = %s(%s(m, %s), surfaceToLight, ", |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 1421 | outputColor, lightFunc.c_str(), interiorNormalName.c_str(), surfScale); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1422 | fLight->emitLightColor(builder, "surfaceToLight"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1423 | fsBuilder->codeAppend(");\n"); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 1424 | SkString modulate; |
egdaniel | 089f8de | 2014-10-09 10:34:58 -0700 | [diff] [blame] | 1425 | GrGLSLMulVarBy4f(&modulate, outputColor, inputColor); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1426 | fsBuilder->codeAppend(modulate.c_str()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1427 | } |
| 1428 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1429 | void GrGLLightingEffect::GenKey(const GrProcessor& proc, |
| 1430 | const GrGLCaps& caps, GrProcessorKeyBuilder* b) { |
| 1431 | b->add32(proc.cast<GrLightingEffect>().light()->type()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1432 | } |
| 1433 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1434 | void GrGLLightingEffect::setData(const GrGLProgramDataManager& pdman, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1435 | const GrProcessor& proc) { |
| 1436 | const GrLightingEffect& lighting = proc.cast<GrLightingEffect>(); |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 1437 | GrTexture* texture = lighting.texture(0); |
senorblanco@chromium.org | ef5dbe1 | 2013-01-28 16:42:38 +0000 | [diff] [blame] | 1438 | float ySign = texture->origin() == kTopLeft_GrSurfaceOrigin ? -1.0f : 1.0f; |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1439 | pdman.set2f(fImageIncrementUni, 1.0f / texture->width(), ySign / texture->height()); |
| 1440 | pdman.set1f(fSurfaceScaleUni, lighting.surfaceScale()); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1441 | SkAutoTUnref<SkLight> transformedLight(lighting.light()->transform(lighting.filterMatrix())); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1442 | fLight->setData(pdman, transformedLight); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1443 | } |
| 1444 | |
| 1445 | /////////////////////////////////////////////////////////////////////////////// |
| 1446 | |
| 1447 | /////////////////////////////////////////////////////////////////////////////// |
| 1448 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1449 | GrGLDiffuseLightingEffect::GrGLDiffuseLightingEffect(const GrProcessor& proc) |
| 1450 | : INHERITED(proc) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1451 | } |
| 1452 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1453 | void GrGLDiffuseLightingEffect::emitLightFunc(GrGLFPBuilder* builder, SkString* funcName) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1454 | const char* kd; |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1455 | fKDUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1456 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1457 | "KD", &kd); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1458 | |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1459 | static const GrGLShaderVar gLightArgs[] = { |
| 1460 | GrGLShaderVar("normal", kVec3f_GrSLType), |
| 1461 | GrGLShaderVar("surfaceToLight", kVec3f_GrSLType), |
| 1462 | GrGLShaderVar("lightColor", kVec3f_GrSLType) |
| 1463 | }; |
| 1464 | SkString lightBody; |
| 1465 | lightBody.appendf("\tfloat colorScale = %s * dot(normal, surfaceToLight);\n", kd); |
| 1466 | lightBody.appendf("\treturn vec4(lightColor * clamp(colorScale, 0.0, 1.0), 1.0);\n"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1467 | builder->getFragmentShaderBuilder()->emitFunction(kVec4f_GrSLType, |
| 1468 | "light", |
| 1469 | SK_ARRAY_COUNT(gLightArgs), |
| 1470 | gLightArgs, |
| 1471 | lightBody.c_str(), |
| 1472 | funcName); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1473 | } |
| 1474 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1475 | void GrGLDiffuseLightingEffect::setData(const GrGLProgramDataManager& pdman, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1476 | const GrProcessor& proc) { |
| 1477 | INHERITED::setData(pdman, proc); |
| 1478 | const GrDiffuseLightingEffect& diffuse = proc.cast<GrDiffuseLightingEffect>(); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1479 | pdman.set1f(fKDUni, diffuse.kd()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1480 | } |
| 1481 | |
| 1482 | /////////////////////////////////////////////////////////////////////////////// |
| 1483 | |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1484 | GrSpecularLightingEffect::GrSpecularLightingEffect(GrTexture* texture, |
| 1485 | const SkLight* light, |
| 1486 | SkScalar surfaceScale, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1487 | const SkMatrix& matrix, |
senorblanco@chromium.org | 4e16bb2 | 2013-07-26 00:10:07 +0000 | [diff] [blame] | 1488 | SkScalar ks, |
| 1489 | SkScalar shininess) |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1490 | : INHERITED(texture, light, surfaceScale, matrix), |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1491 | fKS(ks), |
| 1492 | fShininess(shininess) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1493 | this->initClassID<GrSpecularLightingEffect>(); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1494 | } |
| 1495 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 1496 | bool GrSpecularLightingEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1497 | const GrSpecularLightingEffect& s = sBase.cast<GrSpecularLightingEffect>(); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1498 | return INHERITED::onIsEqual(sBase) && |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1499 | this->ks() == s.ks() && |
| 1500 | this->shininess() == s.shininess(); |
| 1501 | } |
| 1502 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1503 | void GrSpecularLightingEffect::getGLProcessorKey(const GrGLCaps& caps, |
| 1504 | GrProcessorKeyBuilder* b) const { |
| 1505 | GrGLSpecularLightingEffect::GenKey(*this, caps, b); |
| 1506 | } |
| 1507 | |
| 1508 | GrGLFragmentProcessor* GrSpecularLightingEffect::createGLInstance() const { |
| 1509 | return SkNEW_ARGS(GrGLSpecularLightingEffect, (*this)); |
| 1510 | } |
| 1511 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1512 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrSpecularLightingEffect); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1513 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1514 | GrFragmentProcessor* GrSpecularLightingEffect::TestCreate(SkRandom* random, |
| 1515 | GrContext* context, |
| 1516 | const GrDrawTargetCaps&, |
| 1517 | GrTexture* textures[]) { |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1518 | SkScalar surfaceScale = random->nextSScalar1(); |
| 1519 | SkScalar ks = random->nextUScalar1(); |
| 1520 | SkScalar shininess = random->nextUScalar1(); |
| 1521 | SkAutoTUnref<SkLight> light(create_random_light(random)); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1522 | SkMatrix matrix; |
| 1523 | for (int i = 0; i < 9; i++) { |
| 1524 | matrix[i] = random->nextUScalar1(); |
| 1525 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1526 | return GrSpecularLightingEffect::Create(textures[GrProcessorUnitTest::kAlphaTextureIdx], |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1527 | light, surfaceScale, matrix, ks, shininess); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1528 | } |
| 1529 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1530 | /////////////////////////////////////////////////////////////////////////////// |
| 1531 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1532 | GrGLSpecularLightingEffect::GrGLSpecularLightingEffect(const GrProcessor& proc) |
| 1533 | : INHERITED(proc) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1534 | } |
| 1535 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1536 | void GrGLSpecularLightingEffect::emitLightFunc(GrGLFPBuilder* builder, SkString* funcName) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1537 | const char* ks; |
| 1538 | const char* shininess; |
| 1539 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1540 | fKSUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1541 | kFloat_GrSLType, kDefault_GrSLPrecision, "KS", &ks); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1542 | fShininessUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1543 | kFloat_GrSLType, kDefault_GrSLPrecision, "Shininess", &shininess); |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1544 | |
| 1545 | static const GrGLShaderVar gLightArgs[] = { |
| 1546 | GrGLShaderVar("normal", kVec3f_GrSLType), |
| 1547 | GrGLShaderVar("surfaceToLight", kVec3f_GrSLType), |
| 1548 | GrGLShaderVar("lightColor", kVec3f_GrSLType) |
| 1549 | }; |
| 1550 | SkString lightBody; |
| 1551 | lightBody.appendf("\tvec3 halfDir = vec3(normalize(surfaceToLight + vec3(0, 0, 1)));\n"); |
| 1552 | lightBody.appendf("\tfloat colorScale = %s * pow(dot(normal, halfDir), %s);\n", ks, shininess); |
senorblanco@chromium.org | 7b734e0 | 2012-10-29 19:47:06 +0000 | [diff] [blame] | 1553 | lightBody.appendf("\tvec3 color = lightColor * clamp(colorScale, 0.0, 1.0);\n"); |
| 1554 | lightBody.appendf("\treturn vec4(color, max(max(color.r, color.g), color.b));\n"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1555 | builder->getFragmentShaderBuilder()->emitFunction(kVec4f_GrSLType, |
| 1556 | "light", |
| 1557 | SK_ARRAY_COUNT(gLightArgs), |
| 1558 | gLightArgs, |
| 1559 | lightBody.c_str(), |
| 1560 | funcName); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1561 | } |
| 1562 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1563 | void GrGLSpecularLightingEffect::setData(const GrGLProgramDataManager& pdman, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1564 | const GrProcessor& effect) { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 1565 | INHERITED::setData(pdman, effect); |
| 1566 | const GrSpecularLightingEffect& spec = effect.cast<GrSpecularLightingEffect>(); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1567 | pdman.set1f(fKSUni, spec.ks()); |
| 1568 | pdman.set1f(fShininessUni, spec.shininess()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1569 | } |
| 1570 | |
| 1571 | /////////////////////////////////////////////////////////////////////////////// |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1572 | void GrGLLight::emitLightColorUniform(GrGLFPBuilder* builder) { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1573 | fColorUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1574 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
| 1575 | "LightColor"); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1576 | } |
| 1577 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1578 | void GrGLLight::emitLightColor(GrGLFPBuilder* builder, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1579 | const char *surfaceToLight) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1580 | builder->getFragmentShaderBuilder()->codeAppend(builder->getUniformCStr(this->lightColorUni())); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1581 | } |
| 1582 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1583 | void GrGLLight::setData(const GrGLProgramDataManager& pdman, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1584 | const SkLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1585 | setUniformPoint3(pdman, fColorUni, light->color() * SkScalarInvert(SkIntToScalar(255))); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1586 | } |
| 1587 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1588 | /////////////////////////////////////////////////////////////////////////////// |
| 1589 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1590 | void GrGLDistantLight::setData(const GrGLProgramDataManager& pdman, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1591 | const SkLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1592 | INHERITED::setData(pdman, light); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1593 | SkASSERT(light->type() == SkLight::kDistant_LightType); |
| 1594 | const SkDistantLight* distantLight = static_cast<const SkDistantLight*>(light); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1595 | setUniformNormal3(pdman, fDirectionUni, distantLight->direction()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1596 | } |
| 1597 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1598 | void GrGLDistantLight::emitSurfaceToLight(GrGLFPBuilder* builder, const char* z) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1599 | const char* dir; |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1600 | fDirectionUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
| 1601 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1602 | "LightDirection", &dir); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1603 | builder->getFragmentShaderBuilder()->codeAppend(dir); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1604 | } |
| 1605 | |
| 1606 | /////////////////////////////////////////////////////////////////////////////// |
| 1607 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1608 | void GrGLPointLight::setData(const GrGLProgramDataManager& pdman, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1609 | const SkLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1610 | INHERITED::setData(pdman, light); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1611 | SkASSERT(light->type() == SkLight::kPoint_LightType); |
| 1612 | const SkPointLight* pointLight = static_cast<const SkPointLight*>(light); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1613 | setUniformPoint3(pdman, fLocationUni, pointLight->location()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1614 | } |
| 1615 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1616 | void GrGLPointLight::emitSurfaceToLight(GrGLFPBuilder* builder, const char* z) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1617 | const char* loc; |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1618 | fLocationUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
| 1619 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1620 | "LightLocation", &loc); |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1621 | GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1622 | fsBuilder->codeAppendf("normalize(%s - vec3(%s.xy, %s))", |
| 1623 | loc, fsBuilder->fragmentPosition(), z); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1624 | } |
| 1625 | |
| 1626 | /////////////////////////////////////////////////////////////////////////////// |
| 1627 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1628 | void GrGLSpotLight::setData(const GrGLProgramDataManager& pdman, |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1629 | const SkLight* light) const { |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1630 | INHERITED::setData(pdman, light); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1631 | SkASSERT(light->type() == SkLight::kSpot_LightType); |
| 1632 | const SkSpotLight* spotLight = static_cast<const SkSpotLight *>(light); |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 1633 | setUniformPoint3(pdman, fLocationUni, spotLight->location()); |
| 1634 | pdman.set1f(fExponentUni, spotLight->specularExponent()); |
| 1635 | pdman.set1f(fCosInnerConeAngleUni, spotLight->cosInnerConeAngle()); |
| 1636 | pdman.set1f(fCosOuterConeAngleUni, spotLight->cosOuterConeAngle()); |
| 1637 | pdman.set1f(fConeScaleUni, spotLight->coneScale()); |
| 1638 | setUniformNormal3(pdman, fSUni, spotLight->s()); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1639 | } |
| 1640 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1641 | void GrGLSpotLight::emitSurfaceToLight(GrGLFPBuilder* builder, const char* z) { |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1642 | const char* location; |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1643 | fLocationUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1644 | kVec3f_GrSLType, kDefault_GrSLPrecision, |
| 1645 | "LightLocation", &location); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1646 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1647 | GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1648 | fsBuilder->codeAppendf("normalize(%s - vec3(%s.xy, %s))", |
| 1649 | location, fsBuilder->fragmentPosition(), z); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1650 | } |
| 1651 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1652 | void GrGLSpotLight::emitLightColor(GrGLFPBuilder* builder, |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1653 | const char *surfaceToLight) { |
| 1654 | |
| 1655 | const char* color = builder->getUniformCStr(this->lightColorUni()); // created by parent class. |
| 1656 | |
| 1657 | const char* exponent; |
| 1658 | const char* cosInner; |
| 1659 | const char* cosOuter; |
| 1660 | const char* coneScale; |
| 1661 | const char* s; |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1662 | fExponentUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1663 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1664 | "Exponent", &exponent); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1665 | fCosInnerConeAngleUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1666 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1667 | "CosInnerConeAngle", &cosInner); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1668 | fCosOuterConeAngleUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1669 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1670 | "CosOuterConeAngle", &cosOuter); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1671 | fConeScaleUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1672 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 1673 | "ConeScale", &coneScale); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1674 | fSUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
bsalomon | 422f56f | 2014-12-09 10:18:12 -0800 | [diff] [blame] | 1675 | kVec3f_GrSLType, kDefault_GrSLPrecision, "S", &s); |
bsalomon@google.com | ae5ef11 | 2012-10-29 14:53:53 +0000 | [diff] [blame] | 1676 | |
bsalomon@google.com | a1bf0ff | 2012-08-07 17:36:29 +0000 | [diff] [blame] | 1677 | static const GrGLShaderVar gLightColorArgs[] = { |
| 1678 | GrGLShaderVar("surfaceToLight", kVec3f_GrSLType) |
| 1679 | }; |
| 1680 | SkString lightColorBody; |
| 1681 | lightColorBody.appendf("\tfloat cosAngle = -dot(surfaceToLight, %s);\n", s); |
| 1682 | lightColorBody.appendf("\tif (cosAngle < %s) {\n", cosOuter); |
| 1683 | lightColorBody.appendf("\t\treturn vec3(0);\n"); |
| 1684 | lightColorBody.appendf("\t}\n"); |
| 1685 | lightColorBody.appendf("\tfloat scale = pow(cosAngle, %s);\n", exponent); |
| 1686 | lightColorBody.appendf("\tif (cosAngle < %s) {\n", cosInner); |
| 1687 | lightColorBody.appendf("\t\treturn %s * scale * (cosAngle - %s) * %s;\n", |
| 1688 | color, cosOuter, coneScale); |
| 1689 | lightColorBody.appendf("\t}\n"); |
| 1690 | lightColorBody.appendf("\treturn %s;\n", color); |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 1691 | GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1692 | fsBuilder->emitFunction(kVec3f_GrSLType, |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 1693 | "lightColor", |
| 1694 | SK_ARRAY_COUNT(gLightColorArgs), |
| 1695 | gLightColorArgs, |
| 1696 | lightColorBody.c_str(), |
| 1697 | &fLightColorFunc); |
skia.committer@gmail.com | e862d16 | 2012-10-31 02:01:18 +0000 | [diff] [blame] | 1698 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 1699 | fsBuilder->codeAppendf("%s(%s)", fLightColorFunc.c_str(), surfaceToLight); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1700 | } |
| 1701 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 1702 | #endif |
| 1703 | |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 1704 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingImageFilter) |
| 1705 | SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkDiffuseLightingImageFilter) |
| 1706 | SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSpecularLightingImageFilter) |
djsollen@google.com | 0833777 | 2012-06-26 14:33:13 +0000 | [diff] [blame] | 1707 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |