diff options
Diffstat (limited to 'src/gpu/effects/GrDisableColorXP.cpp')
-rw-r--r-- | src/gpu/effects/GrDisableColorXP.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gpu/effects/GrDisableColorXP.cpp b/src/gpu/effects/GrDisableColorXP.cpp index ba6a45b780..9383385192 100644 --- a/src/gpu/effects/GrDisableColorXP.cpp +++ b/src/gpu/effects/GrDisableColorXP.cpp @@ -8,6 +8,8 @@ #include "effects/GrDisableColorXP.h" #include "GrProcessor.h" #include "gl/GrGLXferProcessor.h" +#include "gl/builders/GrGLFragmentShaderBuilder.h" +#include "gl/builders/GrGLProgramBuilder.h" class GrGLDisableColorXP : public GrGLXferProcessor { public: @@ -15,7 +17,13 @@ public: ~GrGLDisableColorXP() SK_OVERRIDE {} - void emitCode(const EmitArgs& args) SK_OVERRIDE {} + void emitCode(const EmitArgs& args) SK_OVERRIDE { + // This emit code should be empty. However, on the nexus 6 there is a driver bug where if + // you do not give gl_FragColor a value, the gl context is lost and we end up drawing + // nothing. So this fix just sets the gl_FragColor arbitrarily to 0. + GrGLFPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); + fsBuilder->codeAppendf("%s = vec4(0);", args.fOutputPrimary); + } void setData(const GrGLProgramDataManager&, const GrXferProcessor&) SK_OVERRIDE {} |