diff options
Diffstat (limited to 'libs/hwui')
-rw-r--r-- | libs/hwui/OpenGLRenderer.cpp | 14 | ||||
-rw-r--r-- | libs/hwui/OpenGLRenderer.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp index 8e9e8be..6243b01 100644 --- a/libs/hwui/OpenGLRenderer.cpp +++ b/libs/hwui/OpenGLRenderer.cpp @@ -990,12 +990,26 @@ void OpenGLRenderer::setupDrawColorFilter() { } } +void OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { + if (mColorSet && mode == SkXfermode::kClear_Mode) { + mColorA = 1.0f; + mColorR = mColorG = mColorB = 0.0f; + mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); + } +} + void OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { + // When the blending mode is kClear_Mode, we need to use a modulate color + // argb=1,0,0,0 + accountForClear(mode); chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, mDescription, swapSrcDst); } void OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { + // When the blending mode is kClear_Mode, we need to use a modulate color + // argb=1,0,0,0 + accountForClear(mode); chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, mDescription, swapSrcDst); } diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h index 70abe88..e2dbba0 100644 --- a/libs/hwui/OpenGLRenderer.h +++ b/libs/hwui/OpenGLRenderer.h @@ -478,6 +478,7 @@ private: void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, float strokeWidth); void finishDrawTexture(); + void accountForClear(SkXfermode::Mode mode); void drawRegionRects(const Region& region); |