Move the common matrix computation to higher level

Now we don't need to compute the same thing for each tile any more.

bug:6338456

Change-Id: I68e744ab7af2bb55a67047bc16aeb8659b26daf2

1 files changed, 3 insertions, 2 deletions

diff --git a/Source/WebCore/platform/graphics/android/rendering/ShaderProgram.h b/Source/WebCore/platform/graphics/android/rendering/ShaderProgram.h
index 41f5e70..b44c563 100644
--- a/Source/WebCore/platform/graphics/android/rendering/ShaderProgram.h
+++ b/Source/WebCore/platform/graphics/android/rendering/ShaderProgram.h
@@ -159,7 +159,7 @@ public:
 private:
     GLuint loadShader(GLenum shaderType, const char* pSource);
     GLint createProgram(const char* vertexSource, const char* fragmentSource);
-    GLfloat* getProjectionMatrix(const DrawQuadData* data);
+    GLfloat* getTileProjectionMatrix(const DrawQuadData* data);
     void setBlendingState(bool enableBlending);
     void drawQuadInternal(ShaderType type, const GLfloat* matrix, int textureId,
                          float opacity, GLenum textureTarget, GLenum filter,
@@ -167,7 +167,7 @@ private:
     Color shaderColor(Color pureColor, float opacity);
     ShaderType getTextureShaderType(GLenum textureTarget);
     void resetBlending();
-
+    void setupSurfaceProjectionMatrix();
 #if DEBUG_MATRIX
     FloatRect debugMatrixTransform(const TransformationMatrix& matrix, const char* matrixName);
     void debugMatrixInfo(float currentScale,
@@ -179,6 +179,7 @@ private:
 
     bool m_blendingEnabled;
 
+    TransformationMatrix m_surfaceProjectionMatrix;
     TransformationMatrix m_clipProjectionMatrix;
     TransformationMatrix m_visibleRectProjectionMatrix;
     GLuint m_textureBuffer[1];