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Stop using color space xform canvas in picture image generator

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Direct rasterization should produce similar (or identical) results.
See: https://chromium-review.googlesource.com/c/chromium/src/+/1273815

Bug: skia:
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I252ec5d5ecb19704f33c0f6cb65d12c2ec927c1d
Reviewed-on: https://skia-review.googlesource.com/c/161140
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
This commit is contained in:
Brian Osman 2018-10-11 12:21:51 -04:00 committed by Skia Commit-Bot
parent 9945f76cd8
commit 031ca213e0
4 changed files with 13 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/core/SkPictureImageGenerator.cpp
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@ -53,7 +53,11 @@ SkPictureImageGenerator::SkPictureImageGenerator(const SkImageInfo& info, sk_sp<
bool SkPictureImageGenerator::onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
const Options& opts) {
// TODO: Stop using xform canvas and simplify this code once rasterization works the same way
#ifdef SK_LEGACY_XFORM_CANVAS_IN_PICTURE_IMAGES
bool useXformCanvas = /* kIgnore == behavior && */ info.colorSpace();
#else
bool useXformCanvas = false;
#endif
SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
SkImageInfo canvasInfo = useXformCanvas ? info.makeColorSpace(nullptr) : info;
@ -98,7 +102,11 @@ sk_sp<GrTextureProxy> SkPictureImageGenerator::onGenerateTexture(
GrContext* ctx, const SkImageInfo& info, const SkIPoint& origin, bool willNeedMipMaps) {
SkASSERT(ctx);
// TODO: Stop using xform canvas and simplify this code once rasterization works the same way
#ifdef SK_LEGACY_XFORM_CANVAS_IN_PICTURE_IMAGES
bool useXformCanvas = /* behavior == kIgnore && */ info.colorSpace();
#else
bool useXformCanvas = false;
#endif
//
// TODO: respect the usage, by possibly creating a different (pow2) surface

15
src/image/SkSurface_Gpu.cpp
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@ -262,15 +262,7 @@ bool SkSurface_Gpu::onDraw(const SkDeferredDisplayList* ddl) {
///////////////////////////////////////////////////////////////////////////////
bool SkSurface_Gpu::Valid(const SkImageInfo& info) {
switch (info.colorType()) {
case kRGBA_F16_SkColorType:
case kRGBA_F32_SkColorType:
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType:
return true;
default:
return !info.colorSpace();
}
}
bool SkSurface_Gpu::Valid(const GrCaps* caps, GrPixelConfig config, SkColorSpace* colorSpace) {
@ -278,13 +270,8 @@ bool SkSurface_Gpu::Valid(const GrCaps* caps, GrPixelConfig config, SkColorSpace
case kSRGBA_8888_GrPixelConfig:
case kSBGRA_8888_GrPixelConfig:
return caps->srgbSupport();
case kRGBA_half_GrPixelConfig:
case kRGBA_float_GrPixelConfig:
case kRGBA_8888_GrPixelConfig:
case kBGRA_8888_GrPixelConfig:
return true;
default:
return !colorSpace;
return true;
}
}

27
src/image/SkSurface_Raster.cpp
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@ -42,32 +42,6 @@ bool SkSurfaceValidateRasterInfo(const SkImageInfo& info, size_t rowBytes) {
return false;
}
static const size_t kMaxTotalSize = SK_MaxS32;
// TODO(mtklein,brianosman): revisit all these color space decisions
switch (info.colorType()) {
case kAlpha_8_SkColorType:
case kGray_8_SkColorType:
case kRGB_565_SkColorType:
case kARGB_4444_SkColorType:
case kRGB_888x_SkColorType:
case kRGBA_1010102_SkColorType:
case kRGB_101010x_SkColorType:
if (info.colorSpace()) {
return false;
}
break;
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType:
break;
case kRGBA_F16_SkColorType:
case kRGBA_F32_SkColorType:
break;
default:
return false;
}
if (kIgnoreRowBytesValue == rowBytes) {
return true;
}
@ -85,6 +59,7 @@ bool SkSurfaceValidateRasterInfo(const SkImageInfo& info, size_t rowBytes) {
}
uint64_t size = sk_64_mul(info.height(), rowBytes);
static const size_t kMaxTotalSize = SK_MaxS32;
if (size > kMaxTotalSize) {
return false;
}

4
tests/SurfaceTest.cpp
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@ -941,8 +941,8 @@ static void test_surface_creation_and_snapshot_with_color_space(
{ kRGBA_F32_SkColorType, linearColorSpace, supportsF32, "F32-linear" },
{ kRGBA_F32_SkColorType, srgbColorSpace, supportsF32, "F32-srgb" },
{ kRGBA_F32_SkColorType, oddColorSpace, supportsF32, "F32-odd" },
{ kRGB_565_SkColorType, srgbColorSpace, false, "565-srgb" },
{ kAlpha_8_SkColorType, srgbColorSpace, false, "A8-srgb" },
{ kRGB_565_SkColorType, srgbColorSpace, true, "565-srgb" },
{ kAlpha_8_SkColorType, srgbColorSpace, true, "A8-srgb" },
{ kRGBA_1010102_SkColorType, nullptr, supports1010102, "1010102-nullptr" },
};