diff options
author | 2017-10-26 15:15:47 -0400 | |
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committer | 2017-10-26 20:17:37 +0000 | |
commit | 8713b88332e25105eda702540eaef7ada731f1fb (patch) | |
tree | aa8580e2ed0b0b394c137d12f95442af3cb92ca3 | |
parent | ec56f277ffcc8380b4924eef0d0942ed708d7fc9 (diff) |
Add workaround for Gallium TexImage internalFormat for Alpha8
Bug: skia:
Change-Id: I1e243d8c58b533bcbbc446d189d76fda5c61b3fb
Reviewed-on: https://skia-review.googlesource.com/64067
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
-rw-r--r-- | src/gpu/gl/GrGLCaps.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp index 9d031ce4ad..fd35827e80 100644 --- a/src/gpu/gl/GrGLCaps.cpp +++ b/src/gpu/gl/GrGLCaps.cpp @@ -2142,6 +2142,14 @@ void GrGLCaps::initConfigTable(const GrContextOptions& contextOptions, fConfigTable[i].fFormats.fSizedInternalFormat : fConfigTable[i].fFormats.fBaseInternalFormat; } + // Gallium llvmpipe renderer on ES 3.0 does not have R8 so we use Alpha for + // kAlpha_8_GrPixelConfig. Alpha8 is not a valid signed internal format so we must use the base + // internal format for that config when doing TexImage calls. + if(kGalliumLLVM_GrGLRenderer == ctxInfo.renderer()) { + fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fInternalFormatTexImage = + fConfigTable[kAlpha_8_GrPixelConfig].fFormats.fBaseInternalFormat; + } + // OpenGL ES 2.0 + GL_EXT_sRGB allows GL_SRGB_ALPHA to be specified as the <format> // param to Tex(Sub)Image. ES 2.0 requires the <internalFormat> and <format> params to match. // Thus, on ES 2.0 we will use GL_SRGB_ALPHA as the <format> param. |