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| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SkGpuDevice.h" | 8 #include "SkGpuDevice.h" |
| 9 | 9 |
| 10 #include "effects/GrBicubicEffect.h" | 10 #include "effects/GrBicubicEffect.h" |
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| 164 if (kRGB_565_SkColorType == ct) { | 164 if (kRGB_565_SkColorType == ct) { |
| 165 at = kOpaque_SkAlphaType; // force this setting | 165 at = kOpaque_SkAlphaType; // force this setting |
| 166 } else { | 166 } else { |
| 167 ct = kN32_SkColorType; | 167 ct = kN32_SkColorType; |
| 168 if (kOpaque_SkAlphaType != at) { | 168 if (kOpaque_SkAlphaType != at) { |
| 169 at = kPremul_SkAlphaType; // force this setting | 169 at = kPremul_SkAlphaType; // force this setting |
| 170 } | 170 } |
| 171 } | 171 } |
| 172 const SkImageInfo info = SkImageInfo::Make(origInfo.width(), origInfo.height
(), ct, at); | 172 const SkImageInfo info = SkImageInfo::Make(origInfo.width(), origInfo.height
(), ct, at); |
| 173 | 173 |
| 174 GrTextureDesc desc; | 174 GrSurfaceDesc desc; |
| 175 desc.fFlags = kRenderTarget_GrTextureFlagBit; | 175 desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| 176 desc.fWidth = info.width(); | 176 desc.fWidth = info.width(); |
| 177 desc.fHeight = info.height(); | 177 desc.fHeight = info.height(); |
| 178 desc.fConfig = SkImageInfo2GrPixelConfig(info); | 178 desc.fConfig = SkImageInfo2GrPixelConfig(info); |
| 179 desc.fSampleCnt = sampleCount; | 179 desc.fSampleCnt = sampleCount; |
| 180 | 180 |
| 181 SkAutoTUnref<GrTexture> texture(context->createUncachedTexture(desc, NULL, 0
)); | 181 SkAutoTUnref<GrTexture> texture(context->createUncachedTexture(desc, NULL, 0
)); |
| 182 if (!texture.get()) { | 182 if (!texture.get()) { |
| 183 return NULL; | 183 return NULL; |
| 184 } | 184 } |
| 185 | 185 |
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| 600 } | 600 } |
| 601 // this will free-up dstM when we're done (allocated in filterMask()) | 601 // this will free-up dstM when we're done (allocated in filterMask()) |
| 602 SkAutoMaskFreeImage autoDst(dstM.fImage); | 602 SkAutoMaskFreeImage autoDst(dstM.fImage); |
| 603 | 603 |
| 604 if (clip.quickReject(dstM.fBounds)) { | 604 if (clip.quickReject(dstM.fBounds)) { |
| 605 return false; | 605 return false; |
| 606 } | 606 } |
| 607 | 607 |
| 608 // we now have a device-aligned 8bit mask in dstM, ready to be drawn using | 608 // we now have a device-aligned 8bit mask in dstM, ready to be drawn using |
| 609 // the current clip (and identity matrix) and GrPaint settings | 609 // the current clip (and identity matrix) and GrPaint settings |
| 610 GrTextureDesc desc; | 610 GrSurfaceDesc desc; |
| 611 desc.fWidth = dstM.fBounds.width(); | 611 desc.fWidth = dstM.fBounds.width(); |
| 612 desc.fHeight = dstM.fBounds.height(); | 612 desc.fHeight = dstM.fBounds.height(); |
| 613 desc.fConfig = kAlpha_8_GrPixelConfig; | 613 desc.fConfig = kAlpha_8_GrPixelConfig; |
| 614 | 614 |
| 615 SkAutoTUnref<GrTexture> texture( | 615 SkAutoTUnref<GrTexture> texture( |
| 616 context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch)); | 616 context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch)); |
| 617 if (!texture) { | 617 if (!texture) { |
| 618 return false; | 618 return false; |
| 619 } | 619 } |
| 620 texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig, | 620 texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig, |
| 621 dstM.fImage, dstM.fRowBytes); | 621 dstM.fImage, dstM.fRowBytes); |
| 622 | 622 |
| 623 SkRect maskRect = SkRect::Make(dstM.fBounds); | 623 SkRect maskRect = SkRect::Make(dstM.fBounds); |
| 624 | 624 |
| 625 return draw_mask(context, maskRect, grp, texture); | 625 return draw_mask(context, maskRect, grp, texture); |
| 626 } | 626 } |
| 627 | 627 |
| 628 // Create a mask of 'devPath' and place the result in 'mask'. | 628 // Create a mask of 'devPath' and place the result in 'mask'. |
| 629 GrTexture* create_mask_GPU(GrContext* context, | 629 GrTexture* create_mask_GPU(GrContext* context, |
| 630 const SkRect& maskRect, | 630 const SkRect& maskRect, |
| 631 const SkPath& devPath, | 631 const SkPath& devPath, |
| 632 const GrStrokeInfo& strokeInfo, | 632 const GrStrokeInfo& strokeInfo, |
| 633 bool doAA, | 633 bool doAA, |
| 634 int sampleCnt) { | 634 int sampleCnt) { |
| 635 GrTextureDesc desc; | 635 GrSurfaceDesc desc; |
| 636 desc.fFlags = kRenderTarget_GrTextureFlagBit; | 636 desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| 637 desc.fWidth = SkScalarCeilToInt(maskRect.width()); | 637 desc.fWidth = SkScalarCeilToInt(maskRect.width()); |
| 638 desc.fHeight = SkScalarCeilToInt(maskRect.height()); | 638 desc.fHeight = SkScalarCeilToInt(maskRect.height()); |
| 639 desc.fSampleCnt = doAA ? sampleCnt : 0; | 639 desc.fSampleCnt = doAA ? sampleCnt : 0; |
| 640 // We actually only need A8, but it often isn't supported as a | 640 // We actually only need A8, but it often isn't supported as a |
| 641 // render target so default to RGBA_8888 | 641 // render target so default to RGBA_8888 |
| 642 desc.fConfig = kRGBA_8888_GrPixelConfig; | 642 desc.fConfig = kRGBA_8888_GrPixelConfig; |
| 643 | 643 |
| 644 if (context->isConfigRenderable(kAlpha_8_GrPixelConfig, | 644 if (context->isConfigRenderable(kAlpha_8_GrPixelConfig, |
| 645 desc.fSampleCnt > 0)) { | 645 desc.fSampleCnt > 0)) { |
| 646 desc.fConfig = kAlpha_8_GrPixelConfig; | 646 desc.fConfig = kAlpha_8_GrPixelConfig; |
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| 1744 } | 1744 } |
| 1745 | 1745 |
| 1746 void SkGpuDevice::flush() { | 1746 void SkGpuDevice::flush() { |
| 1747 DO_DEFERRED_CLEAR(); | 1747 DO_DEFERRED_CLEAR(); |
| 1748 fContext->resolveRenderTarget(fRenderTarget); | 1748 fContext->resolveRenderTarget(fRenderTarget); |
| 1749 } | 1749 } |
| 1750 | 1750 |
| 1751 /////////////////////////////////////////////////////////////////////////////// | 1751 /////////////////////////////////////////////////////////////////////////////// |
| 1752 | 1752 |
| 1753 SkBaseDevice* SkGpuDevice::onCreateDevice(const SkImageInfo& info, Usage usage)
{ | 1753 SkBaseDevice* SkGpuDevice::onCreateDevice(const SkImageInfo& info, Usage usage)
{ |
| 1754 GrTextureDesc desc; | 1754 GrSurfaceDesc desc; |
| 1755 desc.fConfig = fRenderTarget->config(); | 1755 desc.fConfig = fRenderTarget->config(); |
| 1756 desc.fFlags = kRenderTarget_GrTextureFlagBit; | 1756 desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| 1757 desc.fWidth = info.width(); | 1757 desc.fWidth = info.width(); |
| 1758 desc.fHeight = info.height(); | 1758 desc.fHeight = info.height(); |
| 1759 desc.fSampleCnt = fRenderTarget->numSamples(); | 1759 desc.fSampleCnt = fRenderTarget->numSamples(); |
| 1760 | 1760 |
| 1761 SkAutoTUnref<GrTexture> texture; | 1761 SkAutoTUnref<GrTexture> texture; |
| 1762 // Skia's convention is to only clear a device if it is non-opaque. | 1762 // Skia's convention is to only clear a device if it is non-opaque. |
| 1763 unsigned flags = info.isOpaque() ? 0 : kNeedClear_Flag; | 1763 unsigned flags = info.isOpaque() ? 0 : kNeedClear_Flag; |
| 1764 | 1764 |
| 1765 #if CACHE_COMPATIBLE_DEVICE_TEXTURES | 1765 #if CACHE_COMPATIBLE_DEVICE_TEXTURES |
| 1766 // layers are never draw in repeat modes, so we can request an approx | 1766 // layers are never draw in repeat modes, so we can request an approx |
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| 1848 GrLayerHoister::UnlockLayers(fContext, atlasedRecycled); | 1848 GrLayerHoister::UnlockLayers(fContext, atlasedRecycled); |
| 1849 | 1849 |
| 1850 return true; | 1850 return true; |
| 1851 } | 1851 } |
| 1852 | 1852 |
| 1853 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() { | 1853 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() { |
| 1854 // We always return a transient cache, so it is freed after each | 1854 // We always return a transient cache, so it is freed after each |
| 1855 // filter traversal. | 1855 // filter traversal. |
| 1856 return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize); | 1856 return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize); |
| 1857 } | 1857 } |
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