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Bug 1191527 - Fix the YCbCr shaders in BlitImageToFramebuffer. r=jgilbert

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--HG--
extra : rebase_source : a5360145d7ade0f0d5ed4137bb30f9b7f2eaca51
This commit is contained in:
Matt Woodrow 2015-08-07 15:37:54 -04:00
parent 355eb3d3aa
commit cbcf9a014e
1 changed files with 8 additions and 8 deletions
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16
gfx/gl/GLBlitHelper.cpp
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@ -278,7 +278,7 @@ GLBlitHelper::InitTexQuadProgram(BlitType target)
*/
const char kTexYUVPlanarBlit_FragShaderSource[] = "\
#ifdef GL_ES \n\
precision mediump float \n\
precision mediump float; \n\
#endif \n\
varying vec2 vTexCoord; \n\
uniform sampler2D uYTexture; \n\
@ -288,9 +288,9 @@ GLBlitHelper::InitTexQuadProgram(BlitType target)
uniform vec2 uCbCrTexScale; \n\
void main() \n\
{ \n\
float y = texture2D(uYTexture, vTexCoord * uYTexScale).r; \n\
float cb = texture2D(uCbTexture, vTexCoord * uCbCrTexScale).r; \n\
float cr = texture2D(uCrTexture, vTexCoord * uCbCrTexScale).r; \n\
float y = texture2D(uYTexture, vTexCoord * uYTexScale).a; \n\
float cb = texture2D(uCbTexture, vTexCoord * uCbCrTexScale).a; \n\
float cr = texture2D(uCrTexture, vTexCoord * uCbCrTexScale).a; \n\
y = (y - 0.06275) * 1.16438; \n\
cb = cb - 0.50196; \n\
cr = cr - 0.50196; \n\
@ -641,7 +641,7 @@ GLBlitHelper::BindAndUploadYUVTexture(Channel which,
GLuint& tex = *srcTexArr[which];
if (!tex) {
MOZ_ASSERT(needsAllocation);
tex = CreateTexture(mGL, LOCAL_GL_LUMINANCE, LOCAL_GL_LUMINANCE, LOCAL_GL_UNSIGNED_BYTE,
tex = CreateTexture(mGL, LOCAL_GL_ALPHA, LOCAL_GL_ALPHA, LOCAL_GL_UNSIGNED_BYTE,
gfx::IntSize(width, height), false);
}
mGL->fActiveTexture(LOCAL_GL_TEXTURE0 + which);
@ -654,17 +654,17 @@ GLBlitHelper::BindAndUploadYUVTexture(Channel which,
0,
width,
height,
LOCAL_GL_LUMINANCE,
LOCAL_GL_ALPHA,
LOCAL_GL_UNSIGNED_BYTE,
data);
} else {
mGL->fTexImage2D(LOCAL_GL_TEXTURE_2D,
0,
LOCAL_GL_LUMINANCE,
LOCAL_GL_ALPHA,
width,
height,
0,
LOCAL_GL_LUMINANCE,
LOCAL_GL_ALPHA,
LOCAL_GL_UNSIGNED_BYTE,
data);
}