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Revert of Change desktop and ES 3.0 to always use sized internal texture formats. (patchset #2 id:20001 of https://codereview.chromium.org/806943002/)

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Reason for revert:
Failing GMs on Mac, Windows and Ubuntu12.

Original issue's description:
> Change desktop and ES 3.0 to always use sized internal texture formats.
>
> Committed: https://skia.googlesource.com/skia/+/bc02bf0ee4221604796cd6d0394ca3af60c0a579

TBR=bsalomon@google.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/805193003
This commit is contained in:
jvanverth 2014-12-16 06:17:59 -08:00 committed by Commit bot
parent 02d2b98315
commit bdd22a35bf
1 changed files with 11 additions and 4 deletions
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15
src/gpu/gl/GrGpuGL.cpp
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@ -558,10 +558,17 @@ bool GrGpuGL::uploadTexData(const GrSurfaceDesc& desc,
GrGLenum externalFormat = 0x0; // suprress warning
GrGLenum externalType = 0x0;// suprress warning
// glTexStorage requires sized internal formats on both desktop and ES.
// ES2 requires an unsized format for glTexImage. On ES3 and desktop we default to sized.
bool useSizedFormat = useTexStorage || kGL_GrGLStandard == this->glStandard() ||
this->glVersion() >= GR_GL_VER(3, 0);
// glTexStorage requires sized internal formats on both desktop and ES. ES2 requires an unsized
// format for glTexImage, unlike ES3 and desktop. However, we allow the driver to decide the
// size of the internal format whenever possible and so only use a sized internal format when
// using texture storage.
bool useSizedFormat = useTexStorage;
// Many versions of the ES3 drivers on various platforms will not accept GL_RED in
// glTexImage2D for the internal format but will accept GL_R8.
if (kGLES_GrGLStandard == this->glStandard() && this->glVersion() >= GR_GL_VER(3, 0) &&
kAlpha_8_GrPixelConfig == dataConfig) {
useSizedFormat = true;
}
if (!this->configToGLFormats(dataConfig, useSizedFormat, &internalFormat,
&externalFormat, &externalType)) {
return false;