diff options
author | 2016-09-09 11:30:55 -0700 | |
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committer | 2016-09-09 11:30:55 -0700 | |
commit | 8d914908d8ad37a73c39ba8f7ef298bfee457388 (patch) | |
tree | 9b66aef85a0bffc1c0cd0836f790ed4814125ef9 | |
parent | b37c034ac8ad590c70ceac9811ba42a0bf34642c (diff) |
Fix color gamut xform matrices in GPU code
Now that we're not storing them transposed, we can plumb them to the
shader column-major all the way, and then multiply colors on the right, as
it should be.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2326093002
Review-Url: https://codereview.chromium.org/2326093002
-rw-r--r-- | src/gpu/GrColorSpaceXform.cpp | 3 | ||||
-rw-r--r-- | src/gpu/glsl/GrGLSLShaderBuilder.cpp | 2 |
2 files changed, 2 insertions, 3 deletions
diff --git a/src/gpu/GrColorSpaceXform.cpp b/src/gpu/GrColorSpaceXform.cpp index 1eb7328356..c7be3065f3 100644 --- a/src/gpu/GrColorSpaceXform.cpp +++ b/src/gpu/GrColorSpaceXform.cpp @@ -37,8 +37,7 @@ static inline bool matrix_is_almost_identity(const SkMatrix44& m, GrColorSpaceXform::GrColorSpaceXform(const SkMatrix44& srcToDst, SkAlphaType srcAlphaType) : fSrcAlphaType(srcAlphaType) { - // TODO: Fix this, and store things as column major! - srcToDst.asRowMajorf(fSrcToDst); + srcToDst.asColMajorf(fSrcToDst); } sk_sp<GrColorSpaceXform> GrColorSpaceXform::Make(SkColorSpace* src, SkColorSpace* dst, diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.cpp b/src/gpu/glsl/GrGLSLShaderBuilder.cpp index 8b004b265f..26a7761f32 100644 --- a/src/gpu/glsl/GrGLSLShaderBuilder.cpp +++ b/src/gpu/glsl/GrGLSLShaderBuilder.cpp @@ -149,7 +149,7 @@ void GrGLSLShaderBuilder::appendColorGamutXform(SkString* out, "\tcolor.rgb = color.rgb / nonZeroAlpha;\n"); } // Gamut xform, clamp to destination gamut - functionBody.append("\tcolor.rgb = clamp((vec4(color.rgb, 1.0) * xform).rgb, 0.0, 1.0);\n"); + functionBody.append("\tcolor.rgb = clamp((xform * vec4(color.rgb, 1.0)).rgb, 0.0, 1.0);\n"); if (kPremul_SkAlphaType == colorXformHelper->alphaType()) { // Re-multiply by alpha functionBody.append("\tcolor.rgb = color.rgb * nonZeroAlpha;\n"); |