diff options
Diffstat (limited to 'gpu/include')
| -rw-r--r-- | gpu/include/GrDrawTarget.h | 19 | ||||
| -rw-r--r-- | gpu/include/GrGLInterface.h | 2 | ||||
| -rw-r--r-- | gpu/include/GrGLPlatformIncludes.h | 4 | ||||
| -rw-r--r-- | gpu/include/GrTexture.h | 1 | ||||
| -rw-r--r-- | gpu/include/GrTypes.h | 6 |
5 files changed, 32 insertions, 0 deletions
diff --git a/gpu/include/GrDrawTarget.h b/gpu/include/GrDrawTarget.h index aef5937ea7..35f912b7c4 100644 --- a/gpu/include/GrDrawTarget.h +++ b/gpu/include/GrDrawTarget.h @@ -136,6 +136,7 @@ protected: uint32_t fFlagBits; GrBlendCoeff fSrcBlend; GrBlendCoeff fDstBlend; + GrColor fBlendConstant; GrTexture* fTextures[kNumStages]; GrSamplerState fSamplerStates[kNumStages]; GrRenderTarget* fRenderTarget; @@ -359,6 +360,24 @@ public: void setBlendFunc(GrBlendCoeff srcCoef, GrBlendCoeff dstCoef); /** + * Sets the blending function constant referenced by the following blending + * coeffecients: + * kConstC_BlendCoeff + * kIConstC_BlendCoeff + * kConstA_BlendCoeff + * kIConstA_BlendCoeff + * + * @param constant the constant to set + */ + void setBlendConstant(GrColor constant) { fCurrDrawState.fBlendConstant = constant; } + + /** + * Retrieves the last value set by setBlendConstant() + * @return the blending constant value + */ + GrColor getBlendConstant() const { return fCurrDrawState.fBlendConstant; } + + /** * Used to save and restore the GrGpu's drawing state */ struct SavedDrawState { diff --git a/gpu/include/GrGLInterface.h b/gpu/include/GrGLInterface.h index 0c2a2d9bad..0a41905361 100644 --- a/gpu/include/GrGLInterface.h +++ b/gpu/include/GrGLInterface.h @@ -63,6 +63,7 @@ struct GrGLInterface { typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBindAttribLocationProc)(GLuint program, GLuint index, const char* name); typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBindBufferProc)(GLenum target, GLuint buffer); typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBindTextureProc)(GLenum target, GLuint texture); + typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBlendColorProc)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBlendFuncProc)(GLenum sfactor, GLenum dfactor); typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBufferDataProc)(GLenum target, GLsizei size, const void* data, GLenum usage); typedef GLvoid (GR_GL_FUNCTION_TYPE *GrGLBufferSubDataProc)(GLenum target, GLint offset, GLsizei size, const void* data); @@ -167,6 +168,7 @@ struct GrGLInterface { GrGLBindBufferProc fBindBuffer; GrGLBindTextureProc fBindTexture; GrGLBlendFuncProc fBlendFunc; + GrGLBlendColorProc fBlendColor; GrGLBufferDataProc fBufferData; GrGLBufferSubDataProc fBufferSubData; GrGLClearProc fClear; diff --git a/gpu/include/GrGLPlatformIncludes.h b/gpu/include/GrGLPlatformIncludes.h index 1a4fa40003..978a9926b5 100644 --- a/gpu/include/GrGLPlatformIncludes.h +++ b/gpu/include/GrGLPlatformIncludes.h @@ -335,6 +335,10 @@ #define GL_MULTISAMPLE_BIT 0x20000000 // OpenGL 1.4 Defines +#define GL_CONSTANT_COLOR 0x8001 +#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002 +#define GL_CONSTANT_ALPHA 0x8003 +#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004 #define GL_BLEND_DST_RGB 0x80C8 #define GL_BLEND_SRC_RGB 0x80C9 #define GL_BLEND_DST_ALPHA 0x80CA diff --git a/gpu/include/GrTexture.h b/gpu/include/GrTexture.h index 666aa570f8..0a65ff75ce 100644 --- a/gpu/include/GrTexture.h +++ b/gpu/include/GrTexture.h @@ -89,6 +89,7 @@ public: }; static size_t BytesPerPixel(PixelConfig); static bool PixelConfigIsOpaque(PixelConfig); + static bool PixelConfigIsAlphaOnly(PixelConfig); protected: GrTexture(int width, diff --git a/gpu/include/GrTypes.h b/gpu/include/GrTypes.h index 3c137f8891..8e219f7c08 100644 --- a/gpu/include/GrTypes.h +++ b/gpu/include/GrTypes.h @@ -186,6 +186,12 @@ enum GrBlendCoeff { kISA_BlendCoeff, //<! one minus src alpha kDA_BlendCoeff, //<! dst alpha kIDA_BlendCoeff, //<! one minus dst alpha + kConstC_BlendCoeff, //<! constant color + kIConstC_BlendCoeff, //<! one minus constant color + kConstA_BlendCoeff, //<! constant color alpha + kIConstA_BlendCoeff, //<! one minus constant color alpha + + kBlendCoeffCount }; /** |