reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
tomhudson@google.com | 898e7b5 | 2012-06-01 20:42:15 +0000 | [diff] [blame] | 8 | #include "SkGpuDevice.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 9 | |
tomhudson@google.com | 2f68e76 | 2012-07-17 18:43:21 +0000 | [diff] [blame] | 10 | #include "effects/GrTextureDomainEffect.h" |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 11 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 12 | #include "GrContext.h" |
| 13 | #include "GrTextContext.h" |
| 14 | |
robertphillips@google.com | e9c0469 | 2012-06-29 00:30:13 +0000 | [diff] [blame] | 15 | #include "SkGrTexturePixelRef.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 16 | |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 17 | #include "SkColorFilter.h" |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 18 | #include "SkDeviceImageFilterProxy.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 19 | #include "SkDrawProcs.h" |
| 20 | #include "SkGlyphCache.h" |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 21 | #include "SkImageFilter.h" |
reed@google.com | c9aa587 | 2011-04-05 21:05:37 +0000 | [diff] [blame] | 22 | #include "SkUtils.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 23 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 24 | #define CACHE_COMPATIBLE_DEVICE_TEXTURES 1 |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 25 | |
| 26 | #if 0 |
| 27 | extern bool (*gShouldDrawProc)(); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 28 | #define CHECK_SHOULD_DRAW(draw, forceI) \ |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 29 | do { \ |
| 30 | if (gShouldDrawProc && !gShouldDrawProc()) return; \ |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 31 | this->prepareDraw(draw, forceI); \ |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 32 | } while (0) |
| 33 | #else |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 34 | #define CHECK_SHOULD_DRAW(draw, forceI) this->prepareDraw(draw, forceI) |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 35 | #endif |
| 36 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 37 | // we use the same texture slot on GrPaint for bitmaps and shaders |
| 38 | // (since drawBitmap, drawSprite, and drawDevice ignore skia's shader) |
| 39 | enum { |
| 40 | kBitmapTextureIdx = 0, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 41 | kShaderTextureIdx = 0, |
| 42 | kColorFilterTextureIdx = 1 |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 43 | }; |
| 44 | |
senorblanco@chromium.org | e36ddf0 | 2011-07-15 14:28:16 +0000 | [diff] [blame] | 45 | #define MAX_BLUR_SIGMA 4.0f |
| 46 | // FIXME: This value comes from from SkBlurMaskFilter.cpp. |
| 47 | // Should probably be put in a common header someplace. |
| 48 | #define MAX_BLUR_RADIUS SkIntToScalar(128) |
| 49 | // This constant approximates the scaling done in the software path's |
| 50 | // "high quality" mode, in SkBlurMask::Blur() (1 / sqrt(3)). |
| 51 | // IMHO, it actually should be 1: we blur "less" than we should do |
| 52 | // according to the CSS and canvas specs, simply because Safari does the same. |
| 53 | // Firefox used to do the same too, until 4.0 where they fixed it. So at some |
| 54 | // point we should probably get rid of these scaling constants and rebaseline |
| 55 | // all the blur tests. |
| 56 | #define BLUR_SIGMA_SCALE 0.6f |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 57 | // This constant represents the screen alignment criterion in texels for |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 58 | // requiring texture domain clamping to prevent color bleeding when drawing |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 59 | // a sub region of a larger source image. |
| 60 | #define COLOR_BLEED_TOLERANCE SkFloatToScalar(0.001f) |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 61 | |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 62 | #define DO_DEFERRED_CLEAR() \ |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 63 | do { \ |
| 64 | if (fNeedClear) { \ |
bsalomon@google.com | 730ca3b | 2012-04-03 13:25:12 +0000 | [diff] [blame] | 65 | this->clear(0x0); \ |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 66 | } \ |
| 67 | } while (false) \ |
| 68 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 69 | /////////////////////////////////////////////////////////////////////////////// |
| 70 | |
reed@google.com | b0a34d8 | 2012-07-11 19:57:55 +0000 | [diff] [blame] | 71 | #define CHECK_FOR_NODRAW_ANNOTATION(paint) \ |
| 72 | do { if (paint.isNoDrawAnnotation()) { return; } } while (0) |
| 73 | |
| 74 | /////////////////////////////////////////////////////////////////////////////// |
| 75 | |
| 76 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 77 | class SkGpuDevice::SkAutoCachedTexture : public ::SkNoncopyable { |
| 78 | public: |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 79 | SkAutoCachedTexture() |
| 80 | : fDevice(NULL) |
| 81 | , fTexture(NULL) { |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 82 | } |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 83 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 84 | SkAutoCachedTexture(SkGpuDevice* device, |
| 85 | const SkBitmap& bitmap, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 86 | const GrTextureParams* params, |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 87 | GrTexture** texture) |
| 88 | : fDevice(NULL) |
| 89 | , fTexture(NULL) { |
| 90 | GrAssert(NULL != texture); |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 91 | *texture = this->set(device, bitmap, params); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 92 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 93 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 94 | ~SkAutoCachedTexture() { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 95 | if (NULL != fTexture) { |
| 96 | GrUnlockCachedBitmapTexture(fTexture); |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 97 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 98 | } |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 99 | |
| 100 | GrTexture* set(SkGpuDevice* device, |
| 101 | const SkBitmap& bitmap, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 102 | const GrTextureParams* params) { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 103 | if (NULL != fTexture) { |
| 104 | GrUnlockCachedBitmapTexture(fTexture); |
| 105 | fTexture = NULL; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 106 | } |
| 107 | fDevice = device; |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 108 | GrTexture* result = (GrTexture*)bitmap.getTexture(); |
| 109 | if (NULL == result) { |
| 110 | // Cannot return the native texture so look it up in our cache |
| 111 | fTexture = GrLockCachedBitmapTexture(device->context(), bitmap, params); |
| 112 | result = fTexture; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 113 | } |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 114 | return result; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 115 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 116 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 117 | private: |
| 118 | SkGpuDevice* fDevice; |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 119 | GrTexture* fTexture; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 120 | }; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 121 | |
| 122 | /////////////////////////////////////////////////////////////////////////////// |
| 123 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 124 | struct GrSkDrawProcs : public SkDrawProcs { |
| 125 | public: |
| 126 | GrContext* fContext; |
| 127 | GrTextContext* fTextContext; |
| 128 | GrFontScaler* fFontScaler; // cached in the skia glyphcache |
| 129 | }; |
| 130 | |
| 131 | /////////////////////////////////////////////////////////////////////////////// |
| 132 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 133 | static SkBitmap::Config grConfig2skConfig(GrPixelConfig config, bool* isOpaque) { |
| 134 | switch (config) { |
| 135 | case kAlpha_8_GrPixelConfig: |
| 136 | *isOpaque = false; |
| 137 | return SkBitmap::kA8_Config; |
| 138 | case kRGB_565_GrPixelConfig: |
| 139 | *isOpaque = true; |
| 140 | return SkBitmap::kRGB_565_Config; |
| 141 | case kRGBA_4444_GrPixelConfig: |
| 142 | *isOpaque = false; |
| 143 | return SkBitmap::kARGB_4444_Config; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 144 | case kSkia8888_PM_GrPixelConfig: |
| 145 | // we don't currently have a way of knowing whether |
| 146 | // a 8888 is opaque based on the config. |
| 147 | *isOpaque = false; |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 148 | return SkBitmap::kARGB_8888_Config; |
| 149 | default: |
| 150 | *isOpaque = false; |
| 151 | return SkBitmap::kNo_Config; |
| 152 | } |
| 153 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 154 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 155 | static SkBitmap make_bitmap(GrContext* context, GrRenderTarget* renderTarget) { |
bsalomon@google.com | 971d0c8 | 2011-08-19 17:22:05 +0000 | [diff] [blame] | 156 | GrPixelConfig config = renderTarget->config(); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 157 | |
| 158 | bool isOpaque; |
| 159 | SkBitmap bitmap; |
| 160 | bitmap.setConfig(grConfig2skConfig(config, &isOpaque), |
| 161 | renderTarget->width(), renderTarget->height()); |
| 162 | bitmap.setIsOpaque(isOpaque); |
| 163 | return bitmap; |
| 164 | } |
| 165 | |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 166 | SkGpuDevice::SkGpuDevice(GrContext* context, GrTexture* texture) |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 167 | : SkDevice(make_bitmap(context, texture->asRenderTarget())) { |
bsalomon@google.com | 8090e65 | 2012-08-28 15:07:11 +0000 | [diff] [blame] | 168 | this->initFromRenderTarget(context, texture->asRenderTarget(), false); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 169 | } |
| 170 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 171 | SkGpuDevice::SkGpuDevice(GrContext* context, GrRenderTarget* renderTarget) |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 172 | : SkDevice(make_bitmap(context, renderTarget)) { |
bsalomon@google.com | 8090e65 | 2012-08-28 15:07:11 +0000 | [diff] [blame] | 173 | this->initFromRenderTarget(context, renderTarget, false); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 174 | } |
| 175 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 176 | void SkGpuDevice::initFromRenderTarget(GrContext* context, |
bsalomon@google.com | 8090e65 | 2012-08-28 15:07:11 +0000 | [diff] [blame] | 177 | GrRenderTarget* renderTarget, |
| 178 | bool cached) { |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 179 | fDrawProcs = NULL; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 180 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 181 | fContext = context; |
| 182 | fContext->ref(); |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 183 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 184 | fRenderTarget = NULL; |
| 185 | fNeedClear = false; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 186 | |
bsalomon@google.com | 971d0c8 | 2011-08-19 17:22:05 +0000 | [diff] [blame] | 187 | GrAssert(NULL != renderTarget); |
| 188 | fRenderTarget = renderTarget; |
| 189 | fRenderTarget->ref(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 190 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 191 | // Hold onto to the texture in the pixel ref (if there is one) because the texture holds a ref |
| 192 | // on the RT but not vice-versa. |
| 193 | // TODO: Remove this trickery once we figure out how to make SkGrPixelRef do this without |
| 194 | // busting chrome (for a currently unknown reason). |
| 195 | GrSurface* surface = fRenderTarget->asTexture(); |
| 196 | if (NULL == surface) { |
| 197 | surface = fRenderTarget; |
bsalomon@google.com | d9ce125 | 2012-01-24 02:31:42 +0000 | [diff] [blame] | 198 | } |
bsalomon@google.com | 8090e65 | 2012-08-28 15:07:11 +0000 | [diff] [blame] | 199 | SkPixelRef* pr = SkNEW_ARGS(SkGrPixelRef, (surface, cached)); |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 200 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 201 | this->setPixelRef(pr, 0)->unref(); |
| 202 | } |
| 203 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 204 | SkGpuDevice::SkGpuDevice(GrContext* context, |
| 205 | SkBitmap::Config config, |
| 206 | int width, |
| 207 | int height) |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 208 | : SkDevice(config, width, height, false /*isOpaque*/) { |
| 209 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 210 | fDrawProcs = NULL; |
| 211 | |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 212 | fContext = context; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 213 | fContext->ref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 214 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 215 | fRenderTarget = NULL; |
| 216 | fNeedClear = false; |
| 217 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 218 | if (config != SkBitmap::kRGB_565_Config) { |
| 219 | config = SkBitmap::kARGB_8888_Config; |
| 220 | } |
| 221 | SkBitmap bm; |
| 222 | bm.setConfig(config, width, height); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 223 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 224 | GrTextureDesc desc; |
| 225 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 226 | desc.fWidth = width; |
| 227 | desc.fHeight = height; |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame] | 228 | desc.fConfig = SkBitmapConfig2GrPixelConfig(bm.config()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 229 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 230 | SkAutoTUnref<GrTexture> texture(fContext->createUncachedTexture(desc, NULL, 0)); |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 231 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 232 | if (NULL != texture) { |
| 233 | fRenderTarget = texture->asRenderTarget(); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 234 | fRenderTarget->ref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 235 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 236 | GrAssert(NULL != fRenderTarget); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 237 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 238 | // wrap the bitmap with a pixelref to expose our texture |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 239 | SkGrPixelRef* pr = SkNEW_ARGS(SkGrPixelRef, (texture)); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 240 | this->setPixelRef(pr, 0)->unref(); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 241 | } else { |
| 242 | GrPrintf("--- failed to create gpu-offscreen [%d %d]\n", |
| 243 | width, height); |
| 244 | GrAssert(false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 245 | } |
| 246 | } |
| 247 | |
| 248 | SkGpuDevice::~SkGpuDevice() { |
| 249 | if (fDrawProcs) { |
| 250 | delete fDrawProcs; |
| 251 | } |
| 252 | |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 253 | // The GrContext takes a ref on the target. We don't want to cause the render |
| 254 | // target to be unnecessarily kept alive. |
| 255 | if (fContext->getRenderTarget() == fRenderTarget) { |
| 256 | fContext->setRenderTarget(NULL); |
| 257 | } |
robertphillips@google.com | 9ec0753 | 2012-06-22 12:01:30 +0000 | [diff] [blame] | 258 | |
robertphillips@google.com | 055f908 | 2012-10-24 13:24:11 +0000 | [diff] [blame] | 259 | if (fContext->getClip() == &fClipData) { |
| 260 | fContext->setClip(NULL); |
| 261 | } |
| 262 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 263 | SkSafeUnref(fRenderTarget); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 264 | fContext->unref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 265 | } |
| 266 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 267 | /////////////////////////////////////////////////////////////////////////////// |
| 268 | |
| 269 | void SkGpuDevice::makeRenderTargetCurrent() { |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 270 | DO_DEFERRED_CLEAR(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 271 | fContext->setRenderTarget(fRenderTarget); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | /////////////////////////////////////////////////////////////////////////////// |
| 275 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 276 | namespace { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 277 | GrPixelConfig config8888_to_grconfig_and_flags(SkCanvas::Config8888 config8888, uint32_t* flags) { |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 278 | switch (config8888) { |
| 279 | case SkCanvas::kNative_Premul_Config8888: |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 280 | *flags = 0; |
| 281 | return kSkia8888_GrPixelConfig; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 282 | case SkCanvas::kNative_Unpremul_Config8888: |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 283 | *flags = GrContext::kUnpremul_PixelOpsFlag; |
| 284 | return kSkia8888_PM_GrPixelConfig; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 285 | case SkCanvas::kBGRA_Premul_Config8888: |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 286 | *flags = 0; |
| 287 | return kBGRA_8888_GrPixelConfig; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 288 | case SkCanvas::kBGRA_Unpremul_Config8888: |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 289 | *flags = GrContext::kUnpremul_PixelOpsFlag; |
| 290 | return kBGRA_8888_GrPixelConfig; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 291 | case SkCanvas::kRGBA_Premul_Config8888: |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 292 | *flags = 0; |
| 293 | return kRGBA_8888_GrPixelConfig; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 294 | case SkCanvas::kRGBA_Unpremul_Config8888: |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 295 | *flags = GrContext::kUnpremul_PixelOpsFlag; |
| 296 | return kRGBA_8888_GrPixelConfig; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 297 | default: |
| 298 | GrCrash("Unexpected Config8888."); |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 299 | *flags = 0; // suppress warning |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 300 | return kSkia8888_PM_GrPixelConfig; |
| 301 | } |
| 302 | } |
| 303 | } |
| 304 | |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 305 | bool SkGpuDevice::onReadPixels(const SkBitmap& bitmap, |
| 306 | int x, int y, |
| 307 | SkCanvas::Config8888 config8888) { |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 308 | DO_DEFERRED_CLEAR(); |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 309 | SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config()); |
| 310 | SkASSERT(!bitmap.isNull()); |
| 311 | SkASSERT(SkIRect::MakeWH(this->width(), this->height()).contains(SkIRect::MakeXYWH(x, y, bitmap.width(), bitmap.height()))); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 312 | |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 313 | SkAutoLockPixels alp(bitmap); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 314 | GrPixelConfig config; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 315 | uint32_t flags; |
| 316 | config = config8888_to_grconfig_and_flags(config8888, &flags); |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 317 | return fContext->readRenderTargetPixels(fRenderTarget, |
| 318 | x, y, |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 319 | bitmap.width(), |
| 320 | bitmap.height(), |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 321 | config, |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 322 | bitmap.getPixels(), |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 323 | bitmap.rowBytes(), |
| 324 | flags); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 325 | } |
| 326 | |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 327 | void SkGpuDevice::writePixels(const SkBitmap& bitmap, int x, int y, |
| 328 | SkCanvas::Config8888 config8888) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 329 | SkAutoLockPixels alp(bitmap); |
| 330 | if (!bitmap.readyToDraw()) { |
| 331 | return; |
| 332 | } |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 333 | |
| 334 | GrPixelConfig config; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 335 | uint32_t flags; |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 336 | if (SkBitmap::kARGB_8888_Config == bitmap.config()) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 337 | config = config8888_to_grconfig_and_flags(config8888, &flags); |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 338 | } else { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 339 | flags = 0; |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame] | 340 | config= SkBitmapConfig2GrPixelConfig(bitmap.config()); |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 341 | } |
| 342 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 343 | fRenderTarget->writePixels(x, y, bitmap.width(), bitmap.height(), |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 344 | config, bitmap.getPixels(), bitmap.rowBytes(), flags); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 345 | } |
| 346 | |
robertphillips@google.com | 46f9350 | 2012-08-07 15:38:08 +0000 | [diff] [blame] | 347 | namespace { |
| 348 | void purgeClipCB(int genID, void* data) { |
| 349 | GrContext* context = (GrContext*) data; |
| 350 | |
| 351 | if (SkClipStack::kInvalidGenID == genID || |
| 352 | SkClipStack::kEmptyGenID == genID || |
| 353 | SkClipStack::kWideOpenGenID == genID) { |
| 354 | // none of these cases will have a cached clip mask |
| 355 | return; |
| 356 | } |
| 357 | |
| 358 | } |
| 359 | }; |
| 360 | |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 361 | void SkGpuDevice::onAttachToCanvas(SkCanvas* canvas) { |
| 362 | INHERITED::onAttachToCanvas(canvas); |
| 363 | |
| 364 | // Canvas promises that this ptr is valid until onDetachFromCanvas is called |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 365 | fClipData.fClipStack = canvas->getClipStack(); |
robertphillips@google.com | 46f9350 | 2012-08-07 15:38:08 +0000 | [diff] [blame] | 366 | |
| 367 | fClipData.fClipStack->addPurgeClipCallback(purgeClipCB, fContext); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | void SkGpuDevice::onDetachFromCanvas() { |
| 371 | INHERITED::onDetachFromCanvas(); |
| 372 | |
robertphillips@google.com | 46f9350 | 2012-08-07 15:38:08 +0000 | [diff] [blame] | 373 | // TODO: iterate through the clip stack and clean up any cached clip masks |
| 374 | fClipData.fClipStack->removePurgeClipCallback(purgeClipCB, fContext); |
| 375 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 376 | fClipData.fClipStack = NULL; |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 377 | } |
| 378 | |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 379 | #ifdef SK_DEBUG |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 380 | static void check_bounds(const GrClipData& clipData, |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 381 | const SkRegion& clipRegion, |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 382 | int renderTargetWidth, |
| 383 | int renderTargetHeight) { |
| 384 | |
robertphillips@google.com | 7b11289 | 2012-07-31 15:18:21 +0000 | [diff] [blame] | 385 | SkIRect devBound; |
| 386 | |
| 387 | devBound.setLTRB(0, 0, renderTargetWidth, renderTargetHeight); |
| 388 | |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 389 | SkClipStack::BoundsType boundType; |
robertphillips@google.com | 7b11289 | 2012-07-31 15:18:21 +0000 | [diff] [blame] | 390 | SkRect canvTemp; |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 391 | |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 392 | clipData.fClipStack->getBounds(&canvTemp, &boundType); |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 393 | if (SkClipStack::kNormal_BoundsType == boundType) { |
robertphillips@google.com | 7b11289 | 2012-07-31 15:18:21 +0000 | [diff] [blame] | 394 | SkIRect devTemp; |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 395 | |
robertphillips@google.com | 7b11289 | 2012-07-31 15:18:21 +0000 | [diff] [blame] | 396 | canvTemp.roundOut(&devTemp); |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 397 | |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 398 | devTemp.offset(-clipData.fOrigin.fX, -clipData.fOrigin.fY); |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 399 | |
robertphillips@google.com | 7b11289 | 2012-07-31 15:18:21 +0000 | [diff] [blame] | 400 | if (!devBound.intersect(devTemp)) { |
| 401 | devBound.setEmpty(); |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 402 | } |
| 403 | } |
| 404 | |
robertphillips@google.com | 768fee8 | 2012-08-02 12:42:43 +0000 | [diff] [blame] | 405 | GrAssert(devBound.contains(clipRegion.getBounds())); |
robertphillips@google.com | 607fe07 | 2012-07-24 13:54:00 +0000 | [diff] [blame] | 406 | } |
| 407 | #endif |
| 408 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 409 | /////////////////////////////////////////////////////////////////////////////// |
| 410 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 411 | // call this every draw call, to ensure that the context reflects our state, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 412 | // and not the state from some other canvas/device |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 413 | void SkGpuDevice::prepareDraw(const SkDraw& draw, bool forceIdentity) { |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 414 | GrAssert(NULL != fClipData.fClipStack); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 415 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 416 | fContext->setRenderTarget(fRenderTarget); |
| 417 | |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 418 | SkASSERT(draw.fClipStack && draw.fClipStack == fClipData.fClipStack); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 419 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 420 | if (forceIdentity) { |
| 421 | fContext->setIdentityMatrix(); |
| 422 | } else { |
| 423 | fContext->setMatrix(*draw.fMatrix); |
| 424 | } |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 425 | fClipData.fOrigin = this->getOrigin(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 426 | |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 427 | #ifdef SK_DEBUG |
| 428 | check_bounds(fClipData, *draw.fClip, fRenderTarget->width(), fRenderTarget->height()); |
| 429 | #endif |
| 430 | |
| 431 | fContext->setClip(&fClipData); |
| 432 | |
| 433 | DO_DEFERRED_CLEAR(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 434 | } |
| 435 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 436 | SkGpuRenderTarget* SkGpuDevice::accessRenderTarget() { |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 437 | DO_DEFERRED_CLEAR(); |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 438 | return (SkGpuRenderTarget*)fRenderTarget; |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 439 | } |
| 440 | |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 441 | bool SkGpuDevice::bindDeviceAsTexture(GrPaint* paint) { |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 442 | GrTexture* texture = fRenderTarget->asTexture(); |
| 443 | if (NULL != texture) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 444 | paint->colorSampler(kBitmapTextureIdx)->setEffect( |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 445 | SkNEW_ARGS(GrSingleTextureEffect, (texture)))->unref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 446 | return true; |
| 447 | } |
| 448 | return false; |
| 449 | } |
| 450 | |
| 451 | /////////////////////////////////////////////////////////////////////////////// |
| 452 | |
vandebo@chromium.org | d3ae779 | 2011-02-24 00:21:06 +0000 | [diff] [blame] | 453 | SK_COMPILE_ASSERT(SkShader::kNone_BitmapType == 0, shader_type_mismatch); |
| 454 | SK_COMPILE_ASSERT(SkShader::kDefault_BitmapType == 1, shader_type_mismatch); |
| 455 | SK_COMPILE_ASSERT(SkShader::kRadial_BitmapType == 2, shader_type_mismatch); |
| 456 | SK_COMPILE_ASSERT(SkShader::kSweep_BitmapType == 3, shader_type_mismatch); |
| 457 | SK_COMPILE_ASSERT(SkShader::kTwoPointRadial_BitmapType == 4, |
| 458 | shader_type_mismatch); |
rileya@google.com | 3e33258 | 2012-07-03 13:43:35 +0000 | [diff] [blame] | 459 | SK_COMPILE_ASSERT(SkShader::kTwoPointConical_BitmapType == 5, |
| 460 | shader_type_mismatch); |
rileya@google.com | 22e57f9 | 2012-07-19 15:16:19 +0000 | [diff] [blame] | 461 | SK_COMPILE_ASSERT(SkShader::kLinear_BitmapType == 6, shader_type_mismatch); |
| 462 | SK_COMPILE_ASSERT(SkShader::kLast_BitmapType == 6, shader_type_mismatch); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 463 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 464 | namespace { |
| 465 | |
| 466 | // converts a SkPaint to a GrPaint, ignoring the skPaint's shader |
| 467 | // justAlpha indicates that skPaint's alpha should be used rather than the color |
| 468 | // Callers may subsequently modify the GrPaint. Setting constantColor indicates |
| 469 | // that the final paint will draw the same color at every pixel. This allows |
| 470 | // an optimization where the the color filter can be applied to the skPaint's |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 471 | // color once while converting to GrPaint and then ignored. |
| 472 | inline bool skPaint2GrPaintNoShader(SkGpuDevice* dev, |
| 473 | const SkPaint& skPaint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 474 | bool justAlpha, |
| 475 | bool constantColor, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 476 | SkGpuDevice::SkAutoCachedTexture* act, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 477 | GrPaint* grPaint) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 478 | |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 479 | grPaint->setDither(skPaint.isDither()); |
| 480 | grPaint->setAntiAlias(skPaint.isAntiAlias()); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 481 | |
bsalomon@google.com | 88939ae | 2011-12-14 15:58:11 +0000 | [diff] [blame] | 482 | SkXfermode::Coeff sm = SkXfermode::kOne_Coeff; |
| 483 | SkXfermode::Coeff dm = SkXfermode::kISA_Coeff; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 484 | |
| 485 | SkXfermode* mode = skPaint.getXfermode(); |
| 486 | if (mode) { |
| 487 | if (!mode->asCoeff(&sm, &dm)) { |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 488 | //SkDEBUGCODE(SkDebugf("Unsupported xfer mode.\n");) |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 489 | #if 0 |
| 490 | return false; |
| 491 | #endif |
| 492 | } |
| 493 | } |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 494 | grPaint->setBlendFunc(sk_blend_to_grblend(sm), sk_blend_to_grblend(dm)); |
bsalomon@google.com | 88939ae | 2011-12-14 15:58:11 +0000 | [diff] [blame] | 495 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 496 | if (justAlpha) { |
| 497 | uint8_t alpha = skPaint.getAlpha(); |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 498 | grPaint->setColor(GrColorPackRGBA(alpha, alpha, alpha, alpha)); |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 499 | // justAlpha is currently set to true only if there is a texture, |
| 500 | // so constantColor should not also be true. |
| 501 | GrAssert(!constantColor); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 502 | } else { |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 503 | grPaint->setColor(SkColor2GrColor(skPaint.getColor())); |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 504 | GrAssert(!grPaint->isColorStageEnabled(kShaderTextureIdx)); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 505 | } |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 506 | |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 507 | SkColorFilter* colorFilter = skPaint.getColorFilter(); |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 508 | if (NULL != colorFilter) { |
| 509 | // if the source color is a constant then apply the filter here once rather than per pixel |
| 510 | // in a shader. |
| 511 | if (constantColor) { |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 512 | SkColor filtered = colorFilter->filterColor(skPaint.getColor()); |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 513 | grPaint->setColor(SkColor2GrColor(filtered)); |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 514 | } else { |
bsalomon@google.com | a469c28 | 2012-10-24 18:28:34 +0000 | [diff] [blame] | 515 | SkAutoTUnref<GrEffect> stage(colorFilter->asNewCustomStage(dev->context())); |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 516 | if (NULL != stage.get()) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 517 | grPaint->colorSampler(kColorFilterTextureIdx)->setEffect(stage); |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 518 | } else { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 519 | // TODO: rewrite this using asNewCustomStage() |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 520 | SkColor color; |
| 521 | SkXfermode::Mode filterMode; |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 522 | if (colorFilter->asColorMode(&color, &filterMode)) { |
| 523 | grPaint->setXfermodeColorFilter(filterMode, SkColor2GrColor(color)); |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 524 | } |
| 525 | } |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 526 | } |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 527 | } |
bsalomon@google.com | 67e78c9 | 2012-10-17 13:36:14 +0000 | [diff] [blame] | 528 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 529 | return true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 530 | } |
| 531 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 532 | // This function is similar to skPaint2GrPaintNoShader but also converts |
| 533 | // skPaint's shader to a GrTexture/GrSamplerState if possible. The texture to |
| 534 | // be used is set on grPaint and returned in param act. constantColor has the |
| 535 | // same meaning as in skPaint2GrPaintNoShader. |
| 536 | inline bool skPaint2GrPaintShader(SkGpuDevice* dev, |
| 537 | const SkPaint& skPaint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 538 | bool constantColor, |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 539 | SkGpuDevice::SkAutoCachedTexture textures[GrPaint::kMaxColorStages], |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 540 | GrPaint* grPaint) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 541 | SkShader* shader = skPaint.getShader(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 542 | if (NULL == shader) { |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 543 | return skPaint2GrPaintNoShader(dev, |
| 544 | skPaint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 545 | false, |
| 546 | constantColor, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 547 | &textures[kColorFilterTextureIdx], |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 548 | grPaint); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 549 | } else if (!skPaint2GrPaintNoShader(dev, skPaint, true, false, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 550 | &textures[kColorFilterTextureIdx], grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 551 | return false; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 552 | } |
| 553 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 554 | GrSamplerState* sampler = grPaint->colorSampler(kShaderTextureIdx); |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 555 | if (shader->asNewCustomStage(dev->context(), sampler)) { |
rileya@google.com | 91f319c | 2012-07-25 17:18:31 +0000 | [diff] [blame] | 556 | return true; |
| 557 | } |
| 558 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 559 | SkBitmap bitmap; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 560 | SkMatrix matrix; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 561 | SkShader::TileMode tileModes[2]; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 562 | SkShader::BitmapType bmptype = shader->asABitmap(&bitmap, &matrix, tileModes); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 563 | |
tomhudson@google.com | 898e7b5 | 2012-06-01 20:42:15 +0000 | [diff] [blame] | 564 | if (SkShader::kNone_BitmapType == bmptype) { |
reed@google.com | 2be9e8b | 2011-07-06 21:18:09 +0000 | [diff] [blame] | 565 | SkShader::GradientInfo info; |
| 566 | SkColor color; |
| 567 | |
| 568 | info.fColors = &color; |
| 569 | info.fColorOffsets = NULL; |
| 570 | info.fColorCount = 1; |
| 571 | if (SkShader::kColor_GradientType == shader->asAGradient(&info)) { |
| 572 | SkPaint copy(skPaint); |
| 573 | copy.setShader(NULL); |
bsalomon@google.com | cd9cfd7 | 2011-07-08 16:55:04 +0000 | [diff] [blame] | 574 | // modulate the paint alpha by the shader's solid color alpha |
| 575 | U8CPU newA = SkMulDiv255Round(SkColorGetA(color), copy.getAlpha()); |
| 576 | copy.setColor(SkColorSetA(color, newA)); |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 577 | return skPaint2GrPaintNoShader(dev, |
| 578 | copy, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 579 | false, |
| 580 | constantColor, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 581 | &textures[kColorFilterTextureIdx], |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 582 | grPaint); |
reed@google.com | 2be9e8b | 2011-07-06 21:18:09 +0000 | [diff] [blame] | 583 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 584 | return false; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 585 | } |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 586 | |
bsalomon@google.com | 8f4fdc9 | 2012-07-24 17:59:01 +0000 | [diff] [blame] | 587 | // Must set wrap and filter on the sampler before requesting a texture. |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 588 | GrTextureParams params(tileModes, skPaint.isFilterBitmap()); |
| 589 | GrTexture* texture = textures[kShaderTextureIdx].set(dev, bitmap, ¶ms); |
bsalomon@google.com | 8f4fdc9 | 2012-07-24 17:59:01 +0000 | [diff] [blame] | 590 | |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 591 | if (NULL == texture) { |
| 592 | SkDebugf("Couldn't convert bitmap to texture.\n"); |
| 593 | return false; |
| 594 | } |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 595 | |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 596 | // since our texture coords will be in local space, we whack the texture |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 597 | // matrix to map them back into 0...1 before we load it |
| 598 | SkMatrix localM; |
| 599 | if (shader->getLocalMatrix(&localM)) { |
| 600 | SkMatrix inverse; |
| 601 | if (localM.invert(&inverse)) { |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 602 | matrix.preConcat(inverse); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 603 | } |
| 604 | } |
| 605 | if (SkShader::kDefault_BitmapType == bmptype) { |
bsalomon@google.com | 9183216 | 2012-03-08 19:53:02 +0000 | [diff] [blame] | 606 | GrScalar sx = SkFloatToScalar(1.f / bitmap.width()); |
| 607 | GrScalar sy = SkFloatToScalar(1.f / bitmap.height()); |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 608 | matrix.postScale(sx, sy); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 609 | } |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 610 | sampler->setEffect(SkNEW_ARGS(GrSingleTextureEffect, (texture, params)), matrix)->unref(); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 611 | |
| 612 | return true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 613 | } |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 614 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 615 | |
| 616 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 398109c | 2011-04-14 18:40:27 +0000 | [diff] [blame] | 617 | void SkGpuDevice::clear(SkColor color) { |
robertphillips@google.com | c82a8b7 | 2012-06-21 20:15:48 +0000 | [diff] [blame] | 618 | fContext->clear(NULL, color, fRenderTarget); |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 619 | fNeedClear = false; |
bsalomon@google.com | 398109c | 2011-04-14 18:40:27 +0000 | [diff] [blame] | 620 | } |
| 621 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 622 | void SkGpuDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 623 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 624 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 625 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 626 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 627 | if (!skPaint2GrPaintShader(this, |
| 628 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 629 | true, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 630 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 631 | &grPaint)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 632 | return; |
| 633 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 634 | |
| 635 | fContext->drawPaint(grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | // must be in SkCanvas::PointMode order |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 639 | static const GrPrimitiveType gPointMode2PrimtiveType[] = { |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 640 | kPoints_GrPrimitiveType, |
| 641 | kLines_GrPrimitiveType, |
| 642 | kLineStrip_GrPrimitiveType |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 643 | }; |
| 644 | |
| 645 | void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 646 | size_t count, const SkPoint pts[], const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 647 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 648 | |
| 649 | SkScalar width = paint.getStrokeWidth(); |
| 650 | if (width < 0) { |
| 651 | return; |
| 652 | } |
| 653 | |
bsalomon@google.com | b702c0f | 2012-06-18 12:52:56 +0000 | [diff] [blame] | 654 | // we only handle hairlines and paints without path effects or mask filters, |
| 655 | // else we let the SkDraw call our drawPath() |
| 656 | if (width > 0 || paint.getPathEffect() || paint.getMaskFilter()) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 657 | draw.drawPoints(mode, count, pts, paint, true); |
| 658 | return; |
| 659 | } |
| 660 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 661 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 662 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 663 | if (!skPaint2GrPaintShader(this, |
| 664 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 665 | true, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 666 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 667 | &grPaint)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 668 | return; |
| 669 | } |
| 670 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 671 | fContext->drawVertices(grPaint, |
| 672 | gPointMode2PrimtiveType[mode], |
| 673 | count, |
| 674 | (GrPoint*)pts, |
| 675 | NULL, |
| 676 | NULL, |
| 677 | NULL, |
| 678 | 0); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 679 | } |
| 680 | |
reed@google.com | c9aa587 | 2011-04-05 21:05:37 +0000 | [diff] [blame] | 681 | /////////////////////////////////////////////////////////////////////////////// |
| 682 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 683 | void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 684 | const SkPaint& paint) { |
reed@google.com | b0a34d8 | 2012-07-11 19:57:55 +0000 | [diff] [blame] | 685 | CHECK_FOR_NODRAW_ANNOTATION(paint); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 686 | CHECK_SHOULD_DRAW(draw, false); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 687 | |
bungeman@google.com | 79bd877 | 2011-07-18 15:34:08 +0000 | [diff] [blame] | 688 | bool doStroke = paint.getStyle() != SkPaint::kFill_Style; |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 689 | SkScalar width = paint.getStrokeWidth(); |
| 690 | |
| 691 | /* |
| 692 | We have special code for hairline strokes, miter-strokes, and fills. |
| 693 | Anything else we just call our path code. |
| 694 | */ |
| 695 | bool usePath = doStroke && width > 0 && |
| 696 | paint.getStrokeJoin() != SkPaint::kMiter_Join; |
bsalomon@google.com | 22f42b7 | 2012-03-26 14:36:55 +0000 | [diff] [blame] | 697 | // another two reasons we might need to call drawPath... |
| 698 | if (paint.getMaskFilter() || paint.getPathEffect()) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 699 | usePath = true; |
| 700 | } |
reed@google.com | 67db664 | 2011-05-26 11:46:35 +0000 | [diff] [blame] | 701 | // until we aa rotated rects... |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 702 | if (!usePath && paint.isAntiAlias() && !fContext->getMatrix().rectStaysRect()) { |
reed@google.com | 67db664 | 2011-05-26 11:46:35 +0000 | [diff] [blame] | 703 | usePath = true; |
| 704 | } |
bungeman@google.com | 633722e | 2011-08-09 18:32:51 +0000 | [diff] [blame] | 705 | // small miter limit means right angles show bevel... |
| 706 | if (SkPaint::kMiter_Join == paint.getStrokeJoin() && |
| 707 | paint.getStrokeMiter() < SK_ScalarSqrt2) |
| 708 | { |
| 709 | usePath = true; |
| 710 | } |
bungeman@google.com | 79bd877 | 2011-07-18 15:34:08 +0000 | [diff] [blame] | 711 | // until we can both stroke and fill rectangles |
bungeman@google.com | 79bd877 | 2011-07-18 15:34:08 +0000 | [diff] [blame] | 712 | if (paint.getStyle() == SkPaint::kStrokeAndFill_Style) { |
| 713 | usePath = true; |
| 714 | } |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 715 | |
| 716 | if (usePath) { |
| 717 | SkPath path; |
| 718 | path.addRect(rect); |
| 719 | this->drawPath(draw, path, paint, NULL, true); |
| 720 | return; |
| 721 | } |
| 722 | |
| 723 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 724 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 725 | if (!skPaint2GrPaintShader(this, |
| 726 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 727 | true, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 728 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 729 | &grPaint)) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 730 | return; |
| 731 | } |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 732 | fContext->drawRect(grPaint, rect, doStroke ? width : -1); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 733 | } |
| 734 | |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 735 | #include "SkMaskFilter.h" |
| 736 | #include "SkBounder.h" |
| 737 | |
bsalomon@google.com | 8500322 | 2012-03-28 14:44:37 +0000 | [diff] [blame] | 738 | /////////////////////////////////////////////////////////////////////////////// |
| 739 | |
| 740 | // helpers for applying mask filters |
| 741 | namespace { |
| 742 | |
| 743 | GrPathFill skToGrFillType(SkPath::FillType fillType) { |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 744 | switch (fillType) { |
| 745 | case SkPath::kWinding_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 746 | return kWinding_GrPathFill; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 747 | case SkPath::kEvenOdd_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 748 | return kEvenOdd_GrPathFill; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 749 | case SkPath::kInverseWinding_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 750 | return kInverseWinding_GrPathFill; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 751 | case SkPath::kInverseEvenOdd_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 752 | return kInverseEvenOdd_GrPathFill; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 753 | default: |
| 754 | SkDebugf("Unsupported path fill type\n"); |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 755 | return kHairLine_GrPathFill; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 756 | } |
| 757 | } |
| 758 | |
bsalomon@google.com | 8500322 | 2012-03-28 14:44:37 +0000 | [diff] [blame] | 759 | // We prefer to blur small rect with small radius via CPU. |
| 760 | #define MIN_GPU_BLUR_SIZE SkIntToScalar(64) |
| 761 | #define MIN_GPU_BLUR_RADIUS SkIntToScalar(32) |
| 762 | inline bool shouldDrawBlurWithCPU(const SkRect& rect, SkScalar radius) { |
| 763 | if (rect.width() <= MIN_GPU_BLUR_SIZE && |
| 764 | rect.height() <= MIN_GPU_BLUR_SIZE && |
| 765 | radius <= MIN_GPU_BLUR_RADIUS) { |
| 766 | return true; |
| 767 | } |
| 768 | return false; |
| 769 | } |
| 770 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 771 | bool drawWithGPUMaskFilter(GrContext* context, const SkPath& devPath, |
| 772 | SkMaskFilter* filter, const SkRegion& clip, |
| 773 | SkBounder* bounder, GrPaint* grp, GrPathFill pathFillType) { |
senorblanco@chromium.org | a479fc7 | 2011-07-19 16:40:58 +0000 | [diff] [blame] | 774 | #ifdef SK_DISABLE_GPU_BLUR |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 775 | return false; |
senorblanco@chromium.org | b08ea1b | 2011-07-12 16:54:59 +0000 | [diff] [blame] | 776 | #endif |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 777 | SkMaskFilter::BlurInfo info; |
| 778 | SkMaskFilter::BlurType blurType = filter->asABlur(&info); |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 779 | if (SkMaskFilter::kNone_BlurType == blurType) { |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 780 | return false; |
| 781 | } |
senorblanco@chromium.org | e36ddf0 | 2011-07-15 14:28:16 +0000 | [diff] [blame] | 782 | SkScalar radius = info.fIgnoreTransform ? info.fRadius |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 783 | : context->getMatrix().mapRadius(info.fRadius); |
senorblanco@chromium.org | e36ddf0 | 2011-07-15 14:28:16 +0000 | [diff] [blame] | 784 | radius = SkMinScalar(radius, MAX_BLUR_RADIUS); |
senorblanco@chromium.org | 68c4d12 | 2011-08-01 21:20:31 +0000 | [diff] [blame] | 785 | if (radius <= 0) { |
| 786 | return false; |
| 787 | } |
bsalomon@google.com | 8500322 | 2012-03-28 14:44:37 +0000 | [diff] [blame] | 788 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 789 | SkRect srcRect = devPath.getBounds(); |
bsalomon@google.com | 8500322 | 2012-03-28 14:44:37 +0000 | [diff] [blame] | 790 | if (shouldDrawBlurWithCPU(srcRect, radius)) { |
| 791 | return false; |
| 792 | } |
| 793 | |
senorblanco@chromium.org | e36ddf0 | 2011-07-15 14:28:16 +0000 | [diff] [blame] | 794 | float sigma = SkScalarToFloat(radius) * BLUR_SIGMA_SCALE; |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 795 | float sigma3 = sigma * 3.0f; |
| 796 | |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 797 | SkRect clipRect; |
| 798 | clipRect.set(clip.getBounds()); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 799 | |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 800 | // Outset srcRect and clipRect by 3 * sigma, to compute affected blur area. |
robertphillips@google.com | 5af5606 | 2012-04-27 15:39:52 +0000 | [diff] [blame] | 801 | srcRect.inset(SkFloatToScalar(-sigma3), SkFloatToScalar(-sigma3)); |
| 802 | clipRect.inset(SkFloatToScalar(-sigma3), SkFloatToScalar(-sigma3)); |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 803 | srcRect.intersect(clipRect); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 804 | SkRect finalRect = srcRect; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 805 | SkIRect finalIRect; |
| 806 | finalRect.roundOut(&finalIRect); |
| 807 | if (clip.quickReject(finalIRect)) { |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 808 | return true; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 809 | } |
| 810 | if (bounder && !bounder->doIRect(finalIRect)) { |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 811 | return true; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 812 | } |
| 813 | GrPoint offset = GrPoint::Make(-srcRect.fLeft, -srcRect.fTop); |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 814 | srcRect.offset(offset); |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 815 | GrTextureDesc desc; |
| 816 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 817 | desc.fWidth = SkScalarCeilToInt(srcRect.width()); |
| 818 | desc.fHeight = SkScalarCeilToInt(srcRect.height()); |
| 819 | // We actually only need A8, but it often isn't supported as a |
| 820 | // render target so default to RGBA_8888 |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 821 | desc.fConfig = kRGBA_8888_GrPixelConfig; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 822 | |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 823 | if (context->isConfigRenderable(kAlpha_8_GrPixelConfig)) { |
| 824 | desc.fConfig = kAlpha_8_GrPixelConfig; |
| 825 | } |
| 826 | |
senorblanco@chromium.org | 60014ca | 2011-11-09 16:05:58 +0000 | [diff] [blame] | 827 | GrAutoScratchTexture pathEntry(context, desc); |
| 828 | GrTexture* pathTexture = pathEntry.texture(); |
| 829 | if (NULL == pathTexture) { |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 830 | return false; |
| 831 | } |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 832 | |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 833 | SkAutoTUnref<GrTexture> blurTexture; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 834 | |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 835 | { |
| 836 | GrContext::AutoRenderTarget art(context, pathTexture->asRenderTarget()); |
| 837 | GrContext::AutoClip ac(context, srcRect); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 838 | |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 839 | context->clear(NULL, 0); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 840 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 841 | GrPaint tempPaint; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 842 | if (grp->isAntiAlias()) { |
| 843 | tempPaint.setAntiAlias(true); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 844 | // AA uses the "coverage" stages on GrDrawTarget. Coverage with a dst |
| 845 | // blend coeff of zero requires dual source blending support in order |
| 846 | // to properly blend partially covered pixels. This means the AA |
| 847 | // code path may not be taken. So we use a dst blend coeff of ISA. We |
| 848 | // could special case AA draws to a dst surface with known alpha=0 to |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 849 | // use a zero dst coeff when dual source blending isn't available.f |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 850 | tempPaint.setBlendFunc(kOne_GrBlendCoeff, kISC_GrBlendCoeff); |
senorblanco@chromium.org | b08ea1b | 2011-07-12 16:54:59 +0000 | [diff] [blame] | 851 | } |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 852 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 853 | GrContext::AutoMatrix am; |
| 854 | |
| 855 | // Draw hard shadow to pathTexture with path top-left at origin using tempPaint. |
| 856 | GrMatrix translate; |
| 857 | translate.setTranslate(offset.fX, offset.fY); |
| 858 | am.set(context, translate); |
| 859 | context->drawPath(tempPaint, devPath, pathFillType); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 860 | |
| 861 | // If we're doing a normal blur, we can clobber the pathTexture in the |
| 862 | // gaussianBlur. Otherwise, we need to save it for later compositing. |
| 863 | bool isNormalBlur = blurType == SkMaskFilter::kNormal_BlurType; |
skia.committer@gmail.com | dc3a4e5 | 2012-10-02 02:01:24 +0000 | [diff] [blame] | 864 | blurTexture.reset(context->gaussianBlur(pathTexture, isNormalBlur, |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 865 | srcRect, sigma, sigma)); |
robertphillips@google.com | 7d12675 | 2012-10-19 12:56:26 +0000 | [diff] [blame] | 866 | if (NULL == blurTexture) { |
| 867 | return false; |
| 868 | } |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 869 | |
| 870 | if (!isNormalBlur) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 871 | context->setIdentityMatrix(); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 872 | GrPaint paint; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 873 | GrMatrix matrix; |
| 874 | matrix.setIDiv(pathTexture->width(), pathTexture->height()); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 875 | // Blend pathTexture over blurTexture. |
| 876 | context->setRenderTarget(blurTexture->asRenderTarget()); |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 877 | paint.colorSampler(0)->setEffect(SkNEW_ARGS(GrSingleTextureEffect, (pathTexture)), matrix)->unref(); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 878 | if (SkMaskFilter::kInner_BlurType == blurType) { |
| 879 | // inner: dst = dst * src |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 880 | paint.setBlendFunc(kDC_GrBlendCoeff, kZero_GrBlendCoeff); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 881 | } else if (SkMaskFilter::kSolid_BlurType == blurType) { |
| 882 | // solid: dst = src + dst - src * dst |
| 883 | // = (1 - dst) * src + 1 * dst |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 884 | paint.setBlendFunc(kIDC_GrBlendCoeff, kOne_GrBlendCoeff); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 885 | } else if (SkMaskFilter::kOuter_BlurType == blurType) { |
| 886 | // outer: dst = dst * (1 - src) |
| 887 | // = 0 * src + (1 - src) * dst |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 888 | paint.setBlendFunc(kZero_GrBlendCoeff, kISC_GrBlendCoeff); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 889 | } |
| 890 | context->drawRect(paint, srcRect); |
| 891 | } |
senorblanco@chromium.org | b08ea1b | 2011-07-12 16:54:59 +0000 | [diff] [blame] | 892 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 893 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 894 | GrContext::AutoMatrix am; |
| 895 | if (!am.setIdentity(context, grp)) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 896 | return false; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 897 | } |
skia.committer@gmail.com | f57c01b | 2012-10-13 02:01:56 +0000 | [diff] [blame] | 898 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 899 | static const int MASK_IDX = GrPaint::kMaxCoverageStages - 1; |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 900 | // we assume the last mask index is available for use |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 901 | GrAssert(!grp->isCoverageStageEnabled(MASK_IDX)); |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 902 | |
| 903 | GrMatrix matrix; |
| 904 | matrix.setTranslate(-finalRect.fLeft, -finalRect.fTop); |
| 905 | matrix.postIDiv(blurTexture->width(), blurTexture->height()); |
| 906 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 907 | grp->coverageSampler(MASK_IDX)->reset(); |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 908 | grp->coverageSampler(MASK_IDX)->setEffect(SkNEW_ARGS(GrSingleTextureEffect, (blurTexture)), matrix)->unref(); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 909 | context->drawRect(*grp, finalRect); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 910 | return true; |
| 911 | } |
| 912 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 913 | bool drawWithMaskFilter(GrContext* context, const SkPath& devPath, |
| 914 | SkMaskFilter* filter, const SkRegion& clip, SkBounder* bounder, |
junov@chromium.org | aad7e27 | 2012-04-04 21:01:08 +0000 | [diff] [blame] | 915 | GrPaint* grp, SkPaint::Style style) { |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 916 | SkMask srcM, dstM; |
| 917 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 918 | if (!SkDraw::DrawToMask(devPath, &clip.getBounds(), filter, &context->getMatrix(), &srcM, |
| 919 | SkMask::kComputeBoundsAndRenderImage_CreateMode, style)) { |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 920 | return false; |
| 921 | } |
bungeman@google.com | 02f5584 | 2011-10-04 21:25:00 +0000 | [diff] [blame] | 922 | SkAutoMaskFreeImage autoSrc(srcM.fImage); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 923 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 924 | if (!filter->filterMask(&dstM, srcM, context->getMatrix(), NULL)) { |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 925 | return false; |
| 926 | } |
| 927 | // this will free-up dstM when we're done (allocated in filterMask()) |
bungeman@google.com | 02f5584 | 2011-10-04 21:25:00 +0000 | [diff] [blame] | 928 | SkAutoMaskFreeImage autoDst(dstM.fImage); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 929 | |
| 930 | if (clip.quickReject(dstM.fBounds)) { |
| 931 | return false; |
| 932 | } |
| 933 | if (bounder && !bounder->doIRect(dstM.fBounds)) { |
| 934 | return false; |
| 935 | } |
| 936 | |
| 937 | // we now have a device-aligned 8bit mask in dstM, ready to be drawn using |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 938 | // the current clip (and identity matrix) and GrPaint settings |
| 939 | GrContext::AutoMatrix am; |
| 940 | am.setIdentity(context, grp); |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 941 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 942 | GrTextureDesc desc; |
| 943 | desc.fWidth = dstM.fBounds.width(); |
| 944 | desc.fHeight = dstM.fBounds.height(); |
| 945 | desc.fConfig = kAlpha_8_GrPixelConfig; |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 946 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 947 | GrAutoScratchTexture ast(context, desc); |
| 948 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | eb2aa1d | 2011-07-14 15:45:19 +0000 | [diff] [blame] | 949 | |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 950 | if (NULL == texture) { |
| 951 | return false; |
| 952 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 953 | texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig, |
bsalomon@google.com | eb2aa1d | 2011-07-14 15:45:19 +0000 | [diff] [blame] | 954 | dstM.fImage, dstM.fRowBytes); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 955 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 956 | static const int MASK_IDX = GrPaint::kMaxCoverageStages - 1; |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 957 | // we assume the last mask index is available for use |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 958 | GrAssert(!grp->isCoverageStageEnabled(MASK_IDX)); |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 959 | |
| 960 | GrMatrix m; |
| 961 | m.setTranslate(-dstM.fBounds.fLeft*SK_Scalar1, -dstM.fBounds.fTop*SK_Scalar1); |
| 962 | m.postIDiv(texture->width(), texture->height()); |
| 963 | |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 964 | grp->coverageSampler(MASK_IDX)->setEffect(SkNEW_ARGS(GrSingleTextureEffect, (texture)), m)->unref(); |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 965 | GrRect d; |
| 966 | d.setLTRB(GrIntToScalar(dstM.fBounds.fLeft), |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 967 | GrIntToScalar(dstM.fBounds.fTop), |
| 968 | GrIntToScalar(dstM.fBounds.fRight), |
| 969 | GrIntToScalar(dstM.fBounds.fBottom)); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 970 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 971 | context->drawRect(*grp, d); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 972 | return true; |
| 973 | } |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 974 | |
bsalomon@google.com | 8500322 | 2012-03-28 14:44:37 +0000 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | /////////////////////////////////////////////////////////////////////////////// |
| 978 | |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 979 | void SkGpuDevice::drawPath(const SkDraw& draw, const SkPath& origSrcPath, |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 980 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 981 | bool pathIsMutable) { |
reed@google.com | b0a34d8 | 2012-07-11 19:57:55 +0000 | [diff] [blame] | 982 | CHECK_FOR_NODRAW_ANNOTATION(paint); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 983 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 984 | |
reed@google.com | fe62638 | 2011-09-21 13:50:35 +0000 | [diff] [blame] | 985 | bool doFill = true; |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 986 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 987 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 988 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 989 | if (!skPaint2GrPaintShader(this, |
| 990 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 991 | true, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 992 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 993 | &grPaint)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 994 | return; |
| 995 | } |
| 996 | |
bsalomon@google.com | 8c0a0d3 | 2012-03-05 16:01:18 +0000 | [diff] [blame] | 997 | // can we cheat, and threat a thin stroke as a hairline w/ coverage |
| 998 | // if we can, we draw lots faster (raster device does this same test) |
| 999 | SkScalar hairlineCoverage; |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1000 | if (SkDrawTreatAsHairline(paint, fContext->getMatrix(), &hairlineCoverage)) { |
bsalomon@google.com | 8c0a0d3 | 2012-03-05 16:01:18 +0000 | [diff] [blame] | 1001 | doFill = false; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 1002 | grPaint.setCoverage(SkScalarRoundToInt(hairlineCoverage * grPaint.getCoverage())); |
bsalomon@google.com | 8c0a0d3 | 2012-03-05 16:01:18 +0000 | [diff] [blame] | 1003 | } |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 1004 | |
reed@google.com | fe62638 | 2011-09-21 13:50:35 +0000 | [diff] [blame] | 1005 | // If we have a prematrix, apply it to the path, optimizing for the case |
| 1006 | // where the original path can in fact be modified in place (even though |
| 1007 | // its parameter type is const). |
| 1008 | SkPath* pathPtr = const_cast<SkPath*>(&origSrcPath); |
| 1009 | SkPath tmpPath; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1010 | |
| 1011 | if (prePathMatrix) { |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 1012 | SkPath* result = pathPtr; |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 1013 | |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 1014 | if (!pathIsMutable) { |
| 1015 | result = &tmpPath; |
| 1016 | pathIsMutable = true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1017 | } |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 1018 | // should I push prePathMatrix on our MV stack temporarily, instead |
| 1019 | // of applying it here? See SkDraw.cpp |
| 1020 | pathPtr->transform(*prePathMatrix, result); |
| 1021 | pathPtr = result; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1022 | } |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 1023 | // at this point we're done with prePathMatrix |
| 1024 | SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1025 | |
bsalomon@google.com | 8b58c4d | 2012-02-13 14:49:09 +0000 | [diff] [blame] | 1026 | if (paint.getPathEffect() || |
| 1027 | (doFill && paint.getStyle() != SkPaint::kFill_Style)) { |
reed@google.com | fe62638 | 2011-09-21 13:50:35 +0000 | [diff] [blame] | 1028 | // it is safe to use tmpPath here, even if we already used it for the |
| 1029 | // prepathmatrix, since getFillPath can take the same object for its |
| 1030 | // input and output safely. |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 1031 | doFill = paint.getFillPath(*pathPtr, &tmpPath); |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 1032 | pathPtr = &tmpPath; |
| 1033 | } |
| 1034 | |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 1035 | if (paint.getMaskFilter()) { |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 1036 | // avoid possibly allocating a new path in transform if we can |
| 1037 | SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; |
| 1038 | |
| 1039 | // transform the path into device space |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1040 | pathPtr->transform(fContext->getMatrix(), devPathPtr); |
junov@chromium.org | aad7e27 | 2012-04-04 21:01:08 +0000 | [diff] [blame] | 1041 | GrPathFill pathFillType = doFill ? |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1042 | skToGrFillType(devPathPtr->getFillType()) : kHairLine_GrPathFill; |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 1043 | if (!drawWithGPUMaskFilter(fContext, *devPathPtr, paint.getMaskFilter(), |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1044 | *draw.fClip, draw.fBounder, &grPaint, pathFillType)) { |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1045 | SkPaint::Style style = doFill ? SkPaint::kFill_Style : |
junov@chromium.org | aad7e27 | 2012-04-04 21:01:08 +0000 | [diff] [blame] | 1046 | SkPaint::kStroke_Style; |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 1047 | drawWithMaskFilter(fContext, *devPathPtr, paint.getMaskFilter(), |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1048 | *draw.fClip, draw.fBounder, &grPaint, style); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 1049 | } |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 1050 | return; |
| 1051 | } |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 1052 | |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1053 | GrPathFill fill = kHairLine_GrPathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1054 | |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 1055 | if (doFill) { |
| 1056 | switch (pathPtr->getFillType()) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1057 | case SkPath::kWinding_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1058 | fill = kWinding_GrPathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1059 | break; |
| 1060 | case SkPath::kEvenOdd_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1061 | fill = kEvenOdd_GrPathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1062 | break; |
| 1063 | case SkPath::kInverseWinding_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1064 | fill = kInverseWinding_GrPathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1065 | break; |
| 1066 | case SkPath::kInverseEvenOdd_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1067 | fill = kInverseEvenOdd_GrPathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1068 | break; |
| 1069 | default: |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1070 | SkDebugf("Unsupported path fill type\n"); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1071 | return; |
| 1072 | } |
| 1073 | } |
| 1074 | |
reed@google.com | 07f3ee1 | 2011-05-16 17:21:57 +0000 | [diff] [blame] | 1075 | fContext->drawPath(grPaint, *pathPtr, fill); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1076 | } |
| 1077 | |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1078 | namespace { |
| 1079 | |
| 1080 | inline int get_tile_count(int l, int t, int r, int b, int tileSize) { |
| 1081 | int tilesX = (r / tileSize) - (l / tileSize) + 1; |
| 1082 | int tilesY = (b / tileSize) - (t / tileSize) + 1; |
| 1083 | return tilesX * tilesY; |
| 1084 | } |
| 1085 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1086 | inline int determine_tile_size(const SkBitmap& bitmap, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1087 | const SkRect& src, |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1088 | int maxTextureSize) { |
| 1089 | static const int kSmallTileSize = 1 << 10; |
| 1090 | if (maxTextureSize <= kSmallTileSize) { |
| 1091 | return maxTextureSize; |
| 1092 | } |
| 1093 | |
| 1094 | size_t maxTexTotalTileSize; |
| 1095 | size_t smallTotalTileSize; |
| 1096 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1097 | SkIRect iSrc; |
| 1098 | src.roundOut(&iSrc); |
| 1099 | |
| 1100 | maxTexTotalTileSize = get_tile_count(iSrc.fLeft, |
| 1101 | iSrc.fTop, |
| 1102 | iSrc.fRight, |
| 1103 | iSrc.fBottom, |
| 1104 | maxTextureSize); |
| 1105 | smallTotalTileSize = get_tile_count(iSrc.fLeft, |
| 1106 | iSrc.fTop, |
| 1107 | iSrc.fRight, |
| 1108 | iSrc.fBottom, |
| 1109 | kSmallTileSize); |
| 1110 | |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1111 | maxTexTotalTileSize *= maxTextureSize * maxTextureSize; |
| 1112 | smallTotalTileSize *= kSmallTileSize * kSmallTileSize; |
| 1113 | |
| 1114 | if (maxTexTotalTileSize > 2 * smallTotalTileSize) { |
| 1115 | return kSmallTileSize; |
| 1116 | } else { |
| 1117 | return maxTextureSize; |
| 1118 | } |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | bool SkGpuDevice::shouldTileBitmap(const SkBitmap& bitmap, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 1123 | const GrTextureParams& params, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1124 | const SkRect* srcRectPtr) const { |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1125 | // if bitmap is explictly texture backed then just use the texture |
| 1126 | if (NULL != bitmap.getTexture()) { |
| 1127 | return false; |
| 1128 | } |
| 1129 | // if it's larger than the max texture size, then we have no choice but |
| 1130 | // tiling |
| 1131 | const int maxTextureSize = fContext->getMaxTextureSize(); |
| 1132 | if (bitmap.width() > maxTextureSize || |
| 1133 | bitmap.height() > maxTextureSize) { |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1134 | return true; |
| 1135 | } |
| 1136 | // if we are going to have to draw the whole thing, then don't tile |
| 1137 | if (NULL == srcRectPtr) { |
| 1138 | return false; |
| 1139 | } |
| 1140 | // if the entire texture is already in our cache then no reason to tile it |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 1141 | if (this->isBitmapInTextureCache(bitmap, params)) { |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1142 | return false; |
| 1143 | } |
| 1144 | |
| 1145 | // At this point we know we could do the draw by uploading the entire bitmap |
| 1146 | // as a texture. However, if the texture would be large compared to the |
| 1147 | // cache size and we don't require most of it for this draw then tile to |
| 1148 | // reduce the amount of upload and cache spill. |
| 1149 | |
| 1150 | // assumption here is that sw bitmap size is a good proxy for its size as |
| 1151 | // a texture |
| 1152 | size_t bmpSize = bitmap.getSize(); |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 1153 | size_t cacheSize; |
| 1154 | fContext->getTextureCacheLimits(NULL, &cacheSize); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1155 | if (bmpSize < cacheSize / 2) { |
| 1156 | return false; |
| 1157 | } |
| 1158 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1159 | SkScalar fracUsed = SkScalarMul(srcRectPtr->width() / bitmap.width(), |
| 1160 | srcRectPtr->height() / bitmap.height()); |
| 1161 | if (fracUsed <= SK_ScalarHalf) { |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1162 | return true; |
| 1163 | } else { |
| 1164 | return false; |
| 1165 | } |
| 1166 | } |
| 1167 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1168 | void SkGpuDevice::drawBitmap(const SkDraw& draw, |
| 1169 | const SkBitmap& bitmap, |
| 1170 | const SkIRect* srcRectPtr, |
| 1171 | const SkMatrix& m, |
| 1172 | const SkPaint& paint) { |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1173 | |
| 1174 | SkRect tmp; |
| 1175 | SkRect* tmpPtr = NULL; |
| 1176 | |
| 1177 | // convert from SkIRect to SkRect |
| 1178 | if (NULL != srcRectPtr) { |
| 1179 | tmp.set(*srcRectPtr); |
| 1180 | tmpPtr = &tmp; |
| 1181 | } |
| 1182 | |
| 1183 | // We cannot call drawBitmapRect here since 'm' could be anything |
| 1184 | this->drawBitmapCommon(draw, bitmap, tmpPtr, m, paint); |
| 1185 | } |
| 1186 | |
| 1187 | void SkGpuDevice::drawBitmapCommon(const SkDraw& draw, |
| 1188 | const SkBitmap& bitmap, |
| 1189 | const SkRect* srcRectPtr, |
| 1190 | const SkMatrix& m, |
| 1191 | const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1192 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1193 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1194 | SkRect srcRect; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1195 | if (NULL == srcRectPtr) { |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1196 | srcRect.set(0, 0, SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1197 | } else { |
| 1198 | srcRect = *srcRectPtr; |
| 1199 | } |
| 1200 | |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1201 | if (paint.getMaskFilter()){ |
junov@google.com | 1d32978 | 2011-07-28 20:10:09 +0000 | [diff] [blame] | 1202 | // Convert the bitmap to a shader so that the rect can be drawn |
| 1203 | // through drawRect, which supports mask filters. |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1204 | SkMatrix newM(m); |
junov@google.com | 1d32978 | 2011-07-28 20:10:09 +0000 | [diff] [blame] | 1205 | SkBitmap tmp; // subset of bitmap, if necessary |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1206 | const SkBitmap* bitmapPtr = &bitmap; |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1207 | if (NULL != srcRectPtr) { |
| 1208 | SkIRect iSrc; |
| 1209 | srcRect.roundOut(&iSrc); |
| 1210 | if (!bitmap.extractSubset(&tmp, iSrc)) { |
epoger@google.com | 9ef2d83 | 2011-07-01 21:12:20 +0000 | [diff] [blame] | 1211 | return; // extraction failed |
| 1212 | } |
| 1213 | bitmapPtr = &tmp; |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1214 | srcRect.offset(SkIntToScalar(-iSrc.fLeft), SkIntToScalar(-iSrc.fTop)); |
| 1215 | // The source rect has changed so update the matrix |
| 1216 | newM.preTranslate(SkIntToScalar(iSrc.fLeft), SkIntToScalar(iSrc.fTop)); |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1217 | } |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1218 | |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1219 | SkPaint paintWithTexture(paint); |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1220 | paintWithTexture.setShader(SkShader::CreateBitmapShader(*bitmapPtr, |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1221 | SkShader::kClamp_TileMode, SkShader::kClamp_TileMode))->unref(); |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1222 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1223 | // Transform 'newM' needs to be concatenated to the current matrix, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1224 | // rather than transforming the primitive directly, so that 'newM' will |
junov@google.com | 1d32978 | 2011-07-28 20:10:09 +0000 | [diff] [blame] | 1225 | // also affect the behavior of the mask filter. |
| 1226 | SkMatrix drawMatrix; |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1227 | drawMatrix.setConcat(fContext->getMatrix(), newM); |
junov@google.com | 1d32978 | 2011-07-28 20:10:09 +0000 | [diff] [blame] | 1228 | SkDraw transformedDraw(draw); |
| 1229 | transformedDraw.fMatrix = &drawMatrix; |
| 1230 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1231 | this->drawRect(transformedDraw, srcRect, paintWithTexture); |
junov@google.com | 1d32978 | 2011-07-28 20:10:09 +0000 | [diff] [blame] | 1232 | |
junov@google.com | d935cfb | 2011-06-27 20:48:23 +0000 | [diff] [blame] | 1233 | return; |
| 1234 | } |
| 1235 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1236 | GrPaint grPaint; |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1237 | SkAutoCachedTexture colorLutTexture; |
| 1238 | if (!skPaint2GrPaintNoShader(this, paint, true, false, &colorLutTexture, &grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1239 | return; |
| 1240 | } |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1241 | GrTextureParams params; |
| 1242 | params.setBilerp(paint.isFilterBitmap()); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1243 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1244 | if (!this->shouldTileBitmap(bitmap, params, srcRectPtr)) { |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1245 | // take the simple case |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1246 | this->internalDrawBitmap(bitmap, srcRect, m, params, &grPaint); |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1247 | } else { |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1248 | this->drawTiledBitmap(bitmap, srcRect, m, params, &grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1249 | } |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
| 1252 | // Break 'bitmap' into several tiles to draw it since it has already |
| 1253 | // been determined to be too large to fit in VRAM |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1254 | void SkGpuDevice::drawTiledBitmap(const SkBitmap& bitmap, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1255 | const SkRect& srcRect, |
| 1256 | const SkMatrix& m, |
| 1257 | const GrTextureParams& params, |
| 1258 | GrPaint* grPaint) { |
| 1259 | const int maxTextureSize = fContext->getMaxTextureSize(); |
| 1260 | |
| 1261 | int tileSize = determine_tile_size(bitmap, srcRect, maxTextureSize); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1262 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1263 | // compute clip bounds in local coordinates |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1264 | SkRect clipRect; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1265 | { |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1266 | const GrRenderTarget* rt = fContext->getRenderTarget(); |
| 1267 | clipRect.setWH(SkIntToScalar(rt->width()), SkIntToScalar(rt->height())); |
| 1268 | if (!fContext->getClip()->fClipStack->intersectRectWithClip(&clipRect)) { |
| 1269 | return; |
| 1270 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1271 | SkMatrix matrix, inverse; |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1272 | matrix.setConcat(fContext->getMatrix(), m); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1273 | if (!matrix.invert(&inverse)) { |
| 1274 | return; |
| 1275 | } |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1276 | inverse.mapRect(&clipRect); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1277 | } |
| 1278 | |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1279 | int nx = bitmap.width() / tileSize; |
| 1280 | int ny = bitmap.height() / tileSize; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1281 | for (int x = 0; x <= nx; x++) { |
| 1282 | for (int y = 0; y <= ny; y++) { |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1283 | SkRect tileR; |
skia.committer@gmail.com | 22b460c | 2012-09-29 02:01:02 +0000 | [diff] [blame] | 1284 | tileR.set(SkIntToScalar(x * tileSize), |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1285 | SkIntToScalar(y * tileSize), |
skia.committer@gmail.com | 22b460c | 2012-09-29 02:01:02 +0000 | [diff] [blame] | 1286 | SkIntToScalar((x + 1) * tileSize), |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1287 | SkIntToScalar((y + 1) * tileSize)); |
| 1288 | |
| 1289 | if (!SkRect::Intersects(tileR, clipRect)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1290 | continue; |
| 1291 | } |
| 1292 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1293 | if (!tileR.intersect(srcRect)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1294 | continue; |
| 1295 | } |
| 1296 | |
| 1297 | SkBitmap tmpB; |
skia.committer@gmail.com | 22b460c | 2012-09-29 02:01:02 +0000 | [diff] [blame] | 1298 | SkIRect iTileR; |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1299 | tileR.roundOut(&iTileR); |
| 1300 | if (bitmap.extractSubset(&tmpB, iTileR)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1301 | // now offset it to make it "local" to our tmp bitmap |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1302 | tileR.offset(SkIntToScalar(-iTileR.fLeft), SkIntToScalar(-iTileR.fTop)); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1303 | SkMatrix tmpM(m); |
skia.committer@gmail.com | dc3a4e5 | 2012-10-02 02:01:24 +0000 | [diff] [blame] | 1304 | tmpM.preTranslate(SkIntToScalar(iTileR.fLeft), |
robertphillips@google.com | ffad46b | 2012-10-01 14:32:51 +0000 | [diff] [blame] | 1305 | SkIntToScalar(iTileR.fTop)); |
| 1306 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1307 | this->internalDrawBitmap(tmpB, tileR, tmpM, params, grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1308 | } |
| 1309 | } |
| 1310 | } |
| 1311 | } |
| 1312 | |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1313 | namespace { |
| 1314 | |
| 1315 | bool hasAlignedSamples(const SkRect& srcRect, const SkRect& transformedRect) { |
| 1316 | // detect pixel disalignment |
| 1317 | if (SkScalarAbs(SkScalarRoundToScalar(transformedRect.left()) - |
| 1318 | transformedRect.left()) < COLOR_BLEED_TOLERANCE && |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1319 | SkScalarAbs(SkScalarRoundToScalar(transformedRect.top()) - |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1320 | transformedRect.top()) < COLOR_BLEED_TOLERANCE && |
| 1321 | SkScalarAbs(transformedRect.width() - srcRect.width()) < |
| 1322 | COLOR_BLEED_TOLERANCE && |
| 1323 | SkScalarAbs(transformedRect.height() - srcRect.height()) < |
| 1324 | COLOR_BLEED_TOLERANCE) { |
| 1325 | return true; |
| 1326 | } |
| 1327 | return false; |
| 1328 | } |
| 1329 | |
| 1330 | bool mayColorBleed(const SkRect& srcRect, const SkRect& transformedRect, |
| 1331 | const SkMatrix& m) { |
| 1332 | // Only gets called if hasAlignedSamples returned false. |
| 1333 | // So we can assume that sampling is axis aligned but not texel aligned. |
| 1334 | GrAssert(!hasAlignedSamples(srcRect, transformedRect)); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1335 | SkRect innerSrcRect(srcRect), innerTransformedRect, |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1336 | outerTransformedRect(transformedRect); |
| 1337 | innerSrcRect.inset(SK_ScalarHalf, SK_ScalarHalf); |
| 1338 | m.mapRect(&innerTransformedRect, innerSrcRect); |
| 1339 | |
| 1340 | // The gap between outerTransformedRect and innerTransformedRect |
| 1341 | // represents the projection of the source border area, which is |
| 1342 | // problematic for color bleeding. We must check whether any |
| 1343 | // destination pixels sample the border area. |
| 1344 | outerTransformedRect.inset(COLOR_BLEED_TOLERANCE, COLOR_BLEED_TOLERANCE); |
| 1345 | innerTransformedRect.outset(COLOR_BLEED_TOLERANCE, COLOR_BLEED_TOLERANCE); |
| 1346 | SkIRect outer, inner; |
| 1347 | outerTransformedRect.round(&outer); |
| 1348 | innerTransformedRect.round(&inner); |
| 1349 | // If the inner and outer rects round to the same result, it means the |
| 1350 | // border does not overlap any pixel centers. Yay! |
| 1351 | return inner != outer; |
| 1352 | } |
| 1353 | |
| 1354 | } // unnamed namespace |
| 1355 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1356 | /* |
| 1357 | * This is called by drawBitmap(), which has to handle images that may be too |
| 1358 | * large to be represented by a single texture. |
| 1359 | * |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1360 | * internalDrawBitmap assumes that the specified bitmap will fit in a texture |
| 1361 | * and that non-texture portion of the GrPaint has already been setup. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1362 | */ |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1363 | void SkGpuDevice::internalDrawBitmap(const SkBitmap& bitmap, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1364 | const SkRect& srcRect, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1365 | const SkMatrix& m, |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1366 | const GrTextureParams& params, |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1367 | GrPaint* grPaint) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1368 | SkASSERT(bitmap.width() <= fContext->getMaxTextureSize() && |
| 1369 | bitmap.height() <= fContext->getMaxTextureSize()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1370 | |
reed@google.com | 9c49bc3 | 2011-07-07 13:42:37 +0000 | [diff] [blame] | 1371 | SkAutoLockPixels alp(bitmap, !bitmap.getTexture()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1372 | if (!bitmap.getTexture() && !bitmap.readyToDraw()) { |
reed@google.com | 9c49bc3 | 2011-07-07 13:42:37 +0000 | [diff] [blame] | 1373 | SkDebugf("nothing to draw\n"); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1374 | return; |
| 1375 | } |
| 1376 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1377 | GrSamplerState* sampler = grPaint->colorSampler(kBitmapTextureIdx); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1378 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1379 | GrTexture* texture; |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1380 | SkAutoCachedTexture act(this, bitmap, ¶ms, &texture); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1381 | if (NULL == texture) { |
| 1382 | return; |
| 1383 | } |
| 1384 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1385 | GrRect dstRect(srcRect); |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 1386 | GrRect paintRect; |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1387 | SkScalar wInv = SkScalarInvert(SkIntToScalar(bitmap.width())); |
| 1388 | SkScalar hInv = SkScalarInvert(SkIntToScalar(bitmap.height())); |
| 1389 | paintRect.setLTRB(SkScalarMul(srcRect.fLeft, wInv), |
| 1390 | SkScalarMul(srcRect.fTop, hInv), |
| 1391 | SkScalarMul(srcRect.fRight, wInv), |
| 1392 | SkScalarMul(srcRect.fBottom, hInv)); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1393 | |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1394 | bool needsTextureDomain = false; |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1395 | if (params.isBilerp()) { |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1396 | // Need texture domain if drawing a sub rect. |
skia.committer@gmail.com | 22b460c | 2012-09-29 02:01:02 +0000 | [diff] [blame] | 1397 | needsTextureDomain = srcRect.width() < bitmap.width() || |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1398 | srcRect.height() < bitmap.height(); |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1399 | if (m.rectStaysRect() && fContext->getMatrix().rectStaysRect()) { |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1400 | // sampling is axis-aligned |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1401 | GrRect transformedRect; |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1402 | SkMatrix srcToDeviceMatrix(m); |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1403 | srcToDeviceMatrix.postConcat(fContext->getMatrix()); |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1404 | srcToDeviceMatrix.mapRect(&transformedRect, srcRect); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1405 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1406 | if (hasAlignedSamples(srcRect, transformedRect)) { |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1407 | // We could also turn off filtering here (but we already did a cache lookup with |
| 1408 | // params). |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1409 | needsTextureDomain = false; |
| 1410 | } else { |
| 1411 | needsTextureDomain = needsTextureDomain && |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1412 | mayColorBleed(srcRect, transformedRect, m); |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1413 | } |
| 1414 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1415 | } |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1416 | |
| 1417 | GrRect textureDomain = GrRect::MakeEmpty(); |
bsalomon@google.com | a469c28 | 2012-10-24 18:28:34 +0000 | [diff] [blame] | 1418 | SkAutoTUnref<GrEffect> stage; |
junov@chromium.org | f32a9b6 | 2012-03-16 20:54:17 +0000 | [diff] [blame] | 1419 | if (needsTextureDomain) { |
| 1420 | // Use a constrained texture domain to avoid color bleeding |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1421 | GrScalar left, top, right, bottom; |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1422 | if (srcRect.width() > GR_Scalar1) { |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1423 | GrScalar border = GR_ScalarHalf / bitmap.width(); |
| 1424 | left = paintRect.left() + border; |
| 1425 | right = paintRect.right() - border; |
| 1426 | } else { |
| 1427 | left = right = GrScalarHalf(paintRect.left() + paintRect.right()); |
| 1428 | } |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1429 | if (srcRect.height() > GR_Scalar1) { |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1430 | GrScalar border = GR_ScalarHalf / bitmap.height(); |
| 1431 | top = paintRect.top() + border; |
| 1432 | bottom = paintRect.bottom() - border; |
| 1433 | } else { |
| 1434 | top = bottom = GrScalarHalf(paintRect.top() + paintRect.bottom()); |
| 1435 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1436 | textureDomain.setLTRB(left, top, right, bottom); |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1437 | stage.reset(SkNEW_ARGS(GrTextureDomainEffect, (texture, textureDomain, params))); |
| 1438 | } else { |
| 1439 | stage.reset(SkNEW_ARGS(GrSingleTextureEffect, (texture, params))); |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1440 | } |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 1441 | grPaint->colorSampler(kBitmapTextureIdx)->setEffect(stage); |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 1442 | fContext->drawRectToRect(*grPaint, dstRect, paintRect, &m); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1443 | } |
| 1444 | |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1445 | namespace { |
| 1446 | |
| 1447 | void apply_custom_stage(GrContext* context, |
| 1448 | GrTexture* srcTexture, |
| 1449 | GrTexture* dstTexture, |
| 1450 | const GrRect& rect, |
bsalomon@google.com | a469c28 | 2012-10-24 18:28:34 +0000 | [diff] [blame] | 1451 | GrEffect* stage) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1452 | SkASSERT(srcTexture && srcTexture->getContext() == context); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1453 | GrContext::AutoMatrix am; |
| 1454 | am.setIdentity(context); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1455 | GrContext::AutoRenderTarget art(context, dstTexture->asRenderTarget()); |
robertphillips@google.com | 56c79b1 | 2012-07-11 20:57:46 +0000 | [diff] [blame] | 1456 | GrContext::AutoClip acs(context, rect); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1457 | |
| 1458 | GrMatrix sampleM; |
| 1459 | sampleM.setIDiv(srcTexture->width(), srcTexture->height()); |
| 1460 | GrPaint paint; |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 1461 | paint.colorSampler(0)->setEffect(stage, sampleM); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1462 | context->drawRect(paint, rect); |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1463 | } |
| 1464 | |
| 1465 | }; |
| 1466 | |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1467 | static GrTexture* filter_texture(SkDevice* device, GrContext* context, |
| 1468 | GrTexture* texture, SkImageFilter* filter, |
| 1469 | const GrRect& rect) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1470 | GrAssert(filter); |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1471 | SkDeviceImageFilterProxy proxy(device); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1472 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1473 | GrTextureDesc desc; |
| 1474 | desc.fFlags = kRenderTarget_GrTextureFlagBit, |
| 1475 | desc.fWidth = SkScalarCeilToInt(rect.width()); |
| 1476 | desc.fHeight = SkScalarCeilToInt(rect.height()); |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1477 | desc.fConfig = kRGBA_8888_GrPixelConfig; |
bsalomon@google.com | a469c28 | 2012-10-24 18:28:34 +0000 | [diff] [blame] | 1478 | GrEffect* stage; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1479 | |
senorblanco@chromium.org | 302cffb | 2012-08-01 20:16:34 +0000 | [diff] [blame] | 1480 | if (filter->canFilterImageGPU()) { |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 1481 | // Save the render target and set it to NULL, so we don't accidentally draw to it in the |
| 1482 | // filter. Also set the clip wide open and the matrix to identity. |
| 1483 | GrContext::AutoWideOpenIdentityDraw awo(context, NULL); |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1484 | texture = filter->onFilterImageGPU(&proxy, texture, rect); |
senorblanco@chromium.org | 302cffb | 2012-08-01 20:16:34 +0000 | [diff] [blame] | 1485 | } else if (filter->asNewCustomStage(&stage, texture)) { |
senorblanco@chromium.org | 894790d | 2012-07-11 16:01:22 +0000 | [diff] [blame] | 1486 | GrAutoScratchTexture dst(context, desc); |
| 1487 | apply_custom_stage(context, texture, dst.texture(), rect, stage); |
| 1488 | texture = dst.detach(); |
| 1489 | stage->unref(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1490 | } |
| 1491 | return texture; |
| 1492 | } |
| 1493 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1494 | void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap, |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1495 | int left, int top, const SkPaint& paint) { |
| 1496 | // drawSprite is defined to be in device coords. |
| 1497 | CHECK_SHOULD_DRAW(draw, true); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1498 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1499 | SkAutoLockPixels alp(bitmap, !bitmap.getTexture()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1500 | if (!bitmap.getTexture() && !bitmap.readyToDraw()) { |
| 1501 | return; |
| 1502 | } |
| 1503 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1504 | int w = bitmap.width(); |
| 1505 | int h = bitmap.height(); |
| 1506 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1507 | GrPaint grPaint; |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1508 | SkAutoCachedTexture colorLutTexture; |
| 1509 | if(!skPaint2GrPaintNoShader(this, paint, true, false, &colorLutTexture, &grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1510 | return; |
| 1511 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1512 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1513 | GrSamplerState* sampler = grPaint.colorSampler(kBitmapTextureIdx); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1514 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1515 | GrTexture* texture; |
bsalomon@google.com | 9791291 | 2011-12-06 16:30:36 +0000 | [diff] [blame] | 1516 | sampler->reset(); |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1517 | // draw sprite uses the default texture params |
| 1518 | SkAutoCachedTexture act(this, bitmap, NULL, &texture); |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 1519 | grPaint.colorSampler(kBitmapTextureIdx)->setEffect(SkNEW_ARGS |
tomhudson@google.com | 1e8f016 | 2012-07-20 16:25:18 +0000 | [diff] [blame] | 1520 | (GrSingleTextureEffect, (texture)))->unref(); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1521 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1522 | SkImageFilter* filter = paint.getImageFilter(); |
| 1523 | if (NULL != filter) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1524 | GrTexture* filteredTexture = filter_texture(this, fContext, texture, filter, |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1525 | GrRect::MakeWH(SkIntToScalar(w), SkIntToScalar(h))); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1526 | if (filteredTexture) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 1527 | grPaint.colorSampler(kBitmapTextureIdx)->setEffect(SkNEW_ARGS |
tomhudson@google.com | 1e8f016 | 2012-07-20 16:25:18 +0000 | [diff] [blame] | 1528 | (GrSingleTextureEffect, (filteredTexture)))->unref(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1529 | texture = filteredTexture; |
| 1530 | filteredTexture->unref(); |
| 1531 | } |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1532 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1533 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1534 | fContext->drawRectToRect(grPaint, |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1535 | GrRect::MakeXYWH(GrIntToScalar(left), |
| 1536 | GrIntToScalar(top), |
| 1537 | GrIntToScalar(w), |
| 1538 | GrIntToScalar(h)), |
| 1539 | GrRect::MakeWH(GR_Scalar1 * w / texture->width(), |
| 1540 | GR_Scalar1 * h / texture->height())); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1541 | } |
| 1542 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1543 | void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap, |
| 1544 | const SkRect* src, const SkRect& dst, |
| 1545 | const SkPaint& paint) { |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1546 | SkMatrix matrix; |
| 1547 | SkRect bitmapBounds, tmpSrc; |
| 1548 | |
| 1549 | bitmapBounds.set(0, 0, |
| 1550 | SkIntToScalar(bitmap.width()), |
| 1551 | SkIntToScalar(bitmap.height())); |
| 1552 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1553 | // Compute matrix from the two rectangles |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1554 | if (NULL != src) { |
| 1555 | tmpSrc = *src; |
| 1556 | } else { |
| 1557 | tmpSrc = bitmapBounds; |
| 1558 | } |
| 1559 | matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit); |
| 1560 | |
| 1561 | // clip the tmpSrc to the bounds of the bitmap. No check needed if src==null. |
| 1562 | if (NULL != src) { |
| 1563 | if (!bitmapBounds.contains(tmpSrc)) { |
| 1564 | if (!tmpSrc.intersect(bitmapBounds)) { |
| 1565 | return; // nothing to draw |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1566 | } |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1567 | } |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1568 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1569 | |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 1570 | this->drawBitmapCommon(draw, bitmap, &tmpSrc, matrix, paint); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1571 | } |
| 1572 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1573 | void SkGpuDevice::drawDevice(const SkDraw& draw, SkDevice* device, |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1574 | int x, int y, const SkPaint& paint) { |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1575 | // clear of the source device must occur before CHECK_SHOULD_DRAW |
| 1576 | SkGpuDevice* dev = static_cast<SkGpuDevice*>(device); |
| 1577 | if (dev->fNeedClear) { |
| 1578 | // TODO: could check here whether we really need to draw at all |
| 1579 | dev->clear(0x0); |
| 1580 | } |
| 1581 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1582 | // drawDevice is defined to be in device coords. |
| 1583 | CHECK_SHOULD_DRAW(draw, true); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1584 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1585 | GrPaint grPaint; |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1586 | SkAutoCachedTexture colorLutTexture; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1587 | grPaint.colorSampler(kBitmapTextureIdx)->reset(); |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1588 | if (!dev->bindDeviceAsTexture(&grPaint) || |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1589 | !skPaint2GrPaintNoShader(this, paint, true, false, &colorLutTexture, &grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1590 | return; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1591 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1592 | |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 1593 | GrTexture* devTex = grPaint.getColorSampler(kBitmapTextureIdx).getEffect()->texture(0); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1594 | SkASSERT(NULL != devTex); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1595 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1596 | SkImageFilter* filter = paint.getImageFilter(); |
| 1597 | if (NULL != filter) { |
bsalomon@google.com | 1c31f63 | 2012-07-26 19:39:06 +0000 | [diff] [blame] | 1598 | GrRect rect = GrRect::MakeWH(SkIntToScalar(devTex->width()), |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1599 | SkIntToScalar(devTex->height())); |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1600 | GrTexture* filteredTexture = filter_texture(this, fContext, devTex, filter, rect); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1601 | if (filteredTexture) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame^] | 1602 | grPaint.colorSampler(kBitmapTextureIdx)->setEffect(SkNEW_ARGS |
tomhudson@google.com | 1e8f016 | 2012-07-20 16:25:18 +0000 | [diff] [blame] | 1603 | (GrSingleTextureEffect, (filteredTexture)))->unref(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1604 | devTex = filteredTexture; |
| 1605 | filteredTexture->unref(); |
| 1606 | } |
| 1607 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1608 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1609 | const SkBitmap& bm = dev->accessBitmap(false); |
| 1610 | int w = bm.width(); |
| 1611 | int h = bm.height(); |
| 1612 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1613 | GrRect dstRect = GrRect::MakeXYWH(GrIntToScalar(x), |
| 1614 | GrIntToScalar(y), |
| 1615 | GrIntToScalar(w), |
| 1616 | GrIntToScalar(h)); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1617 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1618 | // The device being drawn may not fill up its texture (saveLayer uses |
| 1619 | // the approximate ). |
| 1620 | GrRect srcRect = GrRect::MakeWH(GR_Scalar1 * w / devTex->width(), |
| 1621 | GR_Scalar1 * h / devTex->height()); |
| 1622 | |
| 1623 | fContext->drawRectToRect(grPaint, dstRect, srcRect); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1624 | } |
| 1625 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1626 | bool SkGpuDevice::canHandleImageFilter(SkImageFilter* filter) { |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 1627 | if (!filter->asNewCustomStage(NULL, NULL) && |
senorblanco@chromium.org | 302cffb | 2012-08-01 20:16:34 +0000 | [diff] [blame] | 1628 | !filter->canFilterImageGPU()) { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1629 | return false; |
| 1630 | } |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1631 | return true; |
| 1632 | } |
| 1633 | |
| 1634 | bool SkGpuDevice::filterImage(SkImageFilter* filter, const SkBitmap& src, |
| 1635 | const SkMatrix& ctm, |
| 1636 | SkBitmap* result, SkIPoint* offset) { |
| 1637 | // want explicitly our impl, so guard against a subclass of us overriding it |
| 1638 | if (!this->SkGpuDevice::canHandleImageFilter(filter)) { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1639 | return false; |
| 1640 | } |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1641 | |
| 1642 | SkAutoLockPixels alp(src, !src.getTexture()); |
| 1643 | if (!src.getTexture() && !src.readyToDraw()) { |
| 1644 | return false; |
| 1645 | } |
| 1646 | |
| 1647 | GrPaint paint; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1648 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1649 | GrTexture* texture; |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1650 | // We assume here that the filter will not attempt to tile the src. Otherwise, this cache lookup |
| 1651 | // must be pushed upstack. |
| 1652 | SkAutoCachedTexture act(this, src, NULL, &texture); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1653 | |
| 1654 | result->setConfig(src.config(), src.width(), src.height()); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 1655 | GrRect rect = GrRect::MakeWH(SkIntToScalar(src.width()), |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1656 | SkIntToScalar(src.height())); |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1657 | GrTexture* resultTexture = filter_texture(this, fContext, texture, filter, rect); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1658 | if (resultTexture) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1659 | result->setPixelRef(SkNEW_ARGS(SkGrTexturePixelRef, |
| 1660 | (resultTexture)))->unref(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1661 | resultTexture->unref(); |
| 1662 | } |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1663 | return true; |
| 1664 | } |
| 1665 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1666 | /////////////////////////////////////////////////////////////////////////////// |
| 1667 | |
| 1668 | // must be in SkCanvas::VertexMode order |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 1669 | static const GrPrimitiveType gVertexMode2PrimitiveType[] = { |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1670 | kTriangles_GrPrimitiveType, |
| 1671 | kTriangleStrip_GrPrimitiveType, |
| 1672 | kTriangleFan_GrPrimitiveType, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1673 | }; |
| 1674 | |
| 1675 | void SkGpuDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode, |
| 1676 | int vertexCount, const SkPoint vertices[], |
| 1677 | const SkPoint texs[], const SkColor colors[], |
| 1678 | SkXfermode* xmode, |
| 1679 | const uint16_t indices[], int indexCount, |
| 1680 | const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1681 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1682 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1683 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1684 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1685 | // we ignore the shader if texs is null. |
| 1686 | if (NULL == texs) { |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1687 | if (!skPaint2GrPaintNoShader(this, |
| 1688 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1689 | false, |
| 1690 | NULL == colors, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1691 | &textures[kColorFilterTextureIdx], |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1692 | &grPaint)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1693 | return; |
| 1694 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1695 | } else { |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1696 | if (!skPaint2GrPaintShader(this, |
| 1697 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1698 | NULL == colors, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1699 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1700 | &grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1701 | return; |
| 1702 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1703 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1704 | |
| 1705 | if (NULL != xmode && NULL != texs && NULL != colors) { |
mike@reedtribe.org | be2aa2a | 2011-11-17 02:32:04 +0000 | [diff] [blame] | 1706 | if (!SkXfermode::IsMode(xmode, SkXfermode::kMultiply_Mode)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1707 | SkDebugf("Unsupported vertex-color/texture xfer mode.\n"); |
| 1708 | #if 0 |
| 1709 | return |
| 1710 | #endif |
| 1711 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1712 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1713 | |
bsalomon@google.com | 498776a | 2011-08-16 19:20:44 +0000 | [diff] [blame] | 1714 | SkAutoSTMalloc<128, GrColor> convertedColors(0); |
| 1715 | if (NULL != colors) { |
| 1716 | // need to convert byte order and from non-PM to PM |
bsalomon@google.com | 7d4679a | 2011-09-02 22:06:24 +0000 | [diff] [blame] | 1717 | convertedColors.reset(vertexCount); |
bsalomon@google.com | 498776a | 2011-08-16 19:20:44 +0000 | [diff] [blame] | 1718 | for (int i = 0; i < vertexCount; ++i) { |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame] | 1719 | convertedColors[i] = SkColor2GrColor(colors[i]); |
bsalomon@google.com | 498776a | 2011-08-16 19:20:44 +0000 | [diff] [blame] | 1720 | } |
| 1721 | colors = convertedColors.get(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1722 | } |
bsalomon@google.com | 498776a | 2011-08-16 19:20:44 +0000 | [diff] [blame] | 1723 | fContext->drawVertices(grPaint, |
| 1724 | gVertexMode2PrimitiveType[vmode], |
| 1725 | vertexCount, |
| 1726 | (GrPoint*) vertices, |
| 1727 | (GrPoint*) texs, |
| 1728 | colors, |
| 1729 | indices, |
| 1730 | indexCount); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1731 | } |
| 1732 | |
| 1733 | /////////////////////////////////////////////////////////////////////////////// |
| 1734 | |
| 1735 | static void GlyphCacheAuxProc(void* data) { |
reed@google.com | 26344cf | 2012-06-27 18:23:01 +0000 | [diff] [blame] | 1736 | GrFontScaler* scaler = (GrFontScaler*)data; |
| 1737 | SkSafeUnref(scaler); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1738 | } |
| 1739 | |
| 1740 | static GrFontScaler* get_gr_font_scaler(SkGlyphCache* cache) { |
| 1741 | void* auxData; |
| 1742 | GrFontScaler* scaler = NULL; |
| 1743 | if (cache->getAuxProcData(GlyphCacheAuxProc, &auxData)) { |
| 1744 | scaler = (GrFontScaler*)auxData; |
| 1745 | } |
| 1746 | if (NULL == scaler) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1747 | scaler = SkNEW_ARGS(SkGrFontScaler, (cache)); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1748 | cache->setAuxProc(GlyphCacheAuxProc, scaler); |
| 1749 | } |
| 1750 | return scaler; |
| 1751 | } |
| 1752 | |
| 1753 | static void SkGPU_Draw1Glyph(const SkDraw1Glyph& state, |
| 1754 | SkFixed fx, SkFixed fy, |
| 1755 | const SkGlyph& glyph) { |
| 1756 | SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); |
| 1757 | |
bungeman@google.com | 15865a7 | 2012-01-11 16:28:04 +0000 | [diff] [blame] | 1758 | GrSkDrawProcs* procs = static_cast<GrSkDrawProcs*>(state.fDraw->fProcs); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1759 | |
| 1760 | if (NULL == procs->fFontScaler) { |
| 1761 | procs->fFontScaler = get_gr_font_scaler(state.fCache); |
| 1762 | } |
reed@google.com | 39ce0ac | 2011-04-08 15:42:19 +0000 | [diff] [blame] | 1763 | |
bungeman@google.com | 15865a7 | 2012-01-11 16:28:04 +0000 | [diff] [blame] | 1764 | procs->fTextContext->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
| 1765 | glyph.getSubXFixed(), |
| 1766 | glyph.getSubYFixed()), |
| 1767 | SkFixedFloorToFixed(fx), |
| 1768 | SkFixedFloorToFixed(fy), |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1769 | procs->fFontScaler); |
| 1770 | } |
| 1771 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1772 | SkDrawProcs* SkGpuDevice::initDrawForText(GrTextContext* context) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1773 | |
| 1774 | // deferred allocation |
| 1775 | if (NULL == fDrawProcs) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1776 | fDrawProcs = SkNEW(GrSkDrawProcs); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1777 | fDrawProcs->fD1GProc = SkGPU_Draw1Glyph; |
| 1778 | fDrawProcs->fContext = fContext; |
| 1779 | } |
| 1780 | |
| 1781 | // init our (and GL's) state |
| 1782 | fDrawProcs->fTextContext = context; |
| 1783 | fDrawProcs->fFontScaler = NULL; |
| 1784 | return fDrawProcs; |
| 1785 | } |
| 1786 | |
| 1787 | void SkGpuDevice::drawText(const SkDraw& draw, const void* text, |
| 1788 | size_t byteLength, SkScalar x, SkScalar y, |
| 1789 | const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1790 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1791 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1792 | if (fContext->getMatrix().hasPerspective()) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1793 | // this guy will just call our drawPath() |
| 1794 | draw.drawText((const char*)text, byteLength, x, y, paint); |
| 1795 | } else { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1796 | SkDraw myDraw(draw); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1797 | |
| 1798 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1799 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1800 | if (!skPaint2GrPaintShader(this, |
| 1801 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1802 | true, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1803 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1804 | &grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1805 | return; |
| 1806 | } |
bsalomon@google.com | 0e354aa | 2012-10-08 20:44:25 +0000 | [diff] [blame] | 1807 | GrTextContext context(fContext, grPaint); |
tomhudson@google.com | 375ff85 | 2012-06-29 18:37:57 +0000 | [diff] [blame] | 1808 | myDraw.fProcs = this->initDrawForText(&context); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1809 | this->INHERITED::drawText(myDraw, text, byteLength, x, y, paint); |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text, |
| 1814 | size_t byteLength, const SkScalar pos[], |
| 1815 | SkScalar constY, int scalarsPerPos, |
| 1816 | const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1817 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1818 | |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 1819 | if (fContext->getMatrix().hasPerspective()) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1820 | // this guy will just call our drawPath() |
| 1821 | draw.drawPosText((const char*)text, byteLength, pos, constY, |
| 1822 | scalarsPerPos, paint); |
| 1823 | } else { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1824 | SkDraw myDraw(draw); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1825 | |
| 1826 | GrPaint grPaint; |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1827 | SkAutoCachedTexture textures[GrPaint::kMaxColorStages]; |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1828 | if (!skPaint2GrPaintShader(this, |
| 1829 | paint, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1830 | true, |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 1831 | textures, |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 1832 | &grPaint)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1833 | return; |
| 1834 | } |
bsalomon@google.com | 0e354aa | 2012-10-08 20:44:25 +0000 | [diff] [blame] | 1835 | GrTextContext context(fContext, grPaint); |
tomhudson@google.com | 375ff85 | 2012-06-29 18:37:57 +0000 | [diff] [blame] | 1836 | myDraw.fProcs = this->initDrawForText(&context); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1837 | this->INHERITED::drawPosText(myDraw, text, byteLength, pos, constY, |
| 1838 | scalarsPerPos, paint); |
| 1839 | } |
| 1840 | } |
| 1841 | |
| 1842 | void SkGpuDevice::drawTextOnPath(const SkDraw& draw, const void* text, |
| 1843 | size_t len, const SkPath& path, |
| 1844 | const SkMatrix* m, const SkPaint& paint) { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1845 | CHECK_SHOULD_DRAW(draw, false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1846 | |
| 1847 | SkASSERT(draw.fDevice == this); |
| 1848 | draw.drawTextOnPath((const char*)text, len, path, m, paint); |
| 1849 | } |
| 1850 | |
| 1851 | /////////////////////////////////////////////////////////////////////////////// |
| 1852 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1853 | bool SkGpuDevice::filterTextFlags(const SkPaint& paint, TextFlags* flags) { |
| 1854 | if (!paint.isLCDRenderText()) { |
| 1855 | // we're cool with the paint as is |
| 1856 | return false; |
| 1857 | } |
| 1858 | |
| 1859 | if (paint.getShader() || |
| 1860 | paint.getXfermode() || // unless its srcover |
| 1861 | paint.getMaskFilter() || |
| 1862 | paint.getRasterizer() || |
| 1863 | paint.getColorFilter() || |
| 1864 | paint.getPathEffect() || |
| 1865 | paint.isFakeBoldText() || |
| 1866 | paint.getStyle() != SkPaint::kFill_Style) { |
| 1867 | // turn off lcd |
| 1868 | flags->fFlags = paint.getFlags() & ~SkPaint::kLCDRenderText_Flag; |
| 1869 | flags->fHinting = paint.getHinting(); |
| 1870 | return true; |
| 1871 | } |
| 1872 | // we're cool with the paint as is |
| 1873 | return false; |
| 1874 | } |
| 1875 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 1876 | void SkGpuDevice::flush() { |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 1877 | DO_DEFERRED_CLEAR(); |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1878 | fContext->resolveRenderTarget(fRenderTarget); |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 1879 | } |
| 1880 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1881 | /////////////////////////////////////////////////////////////////////////////// |
| 1882 | |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1883 | bool SkGpuDevice::isBitmapInTextureCache(const SkBitmap& bitmap, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 1884 | const GrTextureParams& params) const { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1885 | uint64_t key = bitmap.getGenerationID(); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1886 | key |= ((uint64_t) bitmap.pixelRefOffset()) << 32; |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1887 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1888 | GrTextureDesc desc; |
| 1889 | desc.fWidth = bitmap.width(); |
| 1890 | desc.fHeight = bitmap.height(); |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame] | 1891 | desc.fConfig = SkBitmapConfig2GrPixelConfig(bitmap.config()); |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 1892 | |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 1893 | GrCacheData cacheData(key); |
| 1894 | |
| 1895 | return this->context()->isTextureInCache(desc, cacheData, ¶ms); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 1896 | } |
| 1897 | |
| 1898 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1899 | SkDevice* SkGpuDevice::onCreateCompatibleDevice(SkBitmap::Config config, |
| 1900 | int width, int height, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1901 | bool isOpaque, |
| 1902 | Usage usage) { |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1903 | GrTextureDesc desc; |
| 1904 | desc.fConfig = fRenderTarget->config(); |
| 1905 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1906 | desc.fWidth = width; |
| 1907 | desc.fHeight = height; |
| 1908 | desc.fSampleCnt = fRenderTarget->numSamples(); |
| 1909 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1910 | GrTexture* texture; |
| 1911 | SkAutoTUnref<GrTexture> tunref; |
bsalomon@google.com | 1b3ac8b | 2012-04-09 21:40:54 +0000 | [diff] [blame] | 1912 | // Skia's convention is to only clear a device if it is non-opaque. |
| 1913 | bool needClear = !isOpaque; |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1914 | |
| 1915 | #if CACHE_COMPATIBLE_DEVICE_TEXTURES |
| 1916 | // layers are never draw in repeat modes, so we can request an approx |
| 1917 | // match and ignore any padding. |
| 1918 | GrContext::ScratchTexMatch matchType = (kSaveLayer_Usage == usage) ? |
| 1919 | GrContext::kApprox_ScratchTexMatch : |
| 1920 | GrContext::kExact_ScratchTexMatch; |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 1921 | texture = fContext->lockScratchTexture(desc, matchType); |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1922 | #else |
| 1923 | tunref.reset(fContext->createUncachedTexture(desc, NULL, 0)); |
| 1924 | texture = tunref.get(); |
| 1925 | #endif |
| 1926 | if (texture) { |
| 1927 | return SkNEW_ARGS(SkGpuDevice,(fContext, |
| 1928 | texture, |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1929 | needClear)); |
| 1930 | } else { |
| 1931 | GrPrintf("---- failed to create compatible device texture [%d %d]\n", |
| 1932 | width, height); |
| 1933 | return NULL; |
| 1934 | } |
| 1935 | } |
| 1936 | |
| 1937 | SkGpuDevice::SkGpuDevice(GrContext* context, |
| 1938 | GrTexture* texture, |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1939 | bool needClear) |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 1940 | : SkDevice(make_bitmap(context, texture->asRenderTarget())) { |
| 1941 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1942 | GrAssert(texture && texture->asRenderTarget()); |
bsalomon@google.com | 8090e65 | 2012-08-28 15:07:11 +0000 | [diff] [blame] | 1943 | // This constructor is called from onCreateCompatibleDevice. It has locked the RT in the texture |
| 1944 | // cache. We pass true for the third argument so that it will get unlocked. |
| 1945 | this->initFromRenderTarget(context, texture->asRenderTarget(), true); |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 1946 | fNeedClear = needClear; |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1947 | } |