Merge "Add cap tessellation support"

		LayerRenderer.cpp \

		Matrix.cpp \

		OpenGLRenderer.cpp \

		PathRenderer.cpp \

		Patch.cpp \

		PatchCache.cpp \

		PathCache.cpp \

		PathTessellator.cpp \

		Program.cpp \

		ProgramCache.cpp \

		ResourceCache.cpp \

static const GLsizei gMeshStride = sizeof(TextureVertex);

static const GLsizei gVertexStride = sizeof(Vertex);

static const GLsizei gAlphaVertexStride = sizeof(AlphaVertex);

static const GLsizei gAAVertexStride = sizeof(AAVertex);

static const GLsizei gMeshTextureOffset = 2 * sizeof(float);

static const GLsizei gVertexAlphaOffset = 2 * sizeof(float);

static const GLsizei gVertexAAWidthOffset = 2 * sizeof(float);

///////////////////////////////////////////////////////////////////////////////

class DisplayList;

class VertexBuffer;

/**

 * OpenGL renderer used to draw accelerated 2D graphics. The API is a

     */

    void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint);

    /**

     * Renders a strip of polygons with the specified paint, used for tessellated geometry.

     *

     * @param vertexBuffer The VertexBuffer to be drawn

     * @param paint The paint to render with

     * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines)

     */

    status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint,

            bool useOffset = false);

    /**

     * Renders the convex hull defined by the specified path as a strip of polygons.

     *

     * @param path The hull of the path to draw

     * @param paint The paint to render with

     */

    void drawConvexPath(const SkPath& path, SkPaint* paint);

    status_t drawConvexPath(const SkPath& path, SkPaint* paint);

    /**

     * Draws a textured rectangle with the specified texture. The specified coordinates

    void setupDrawWithExternalTexture();

    void setupDrawNoTexture();

    void setupDrawAA();

    void setupDrawVertexShape();

    void setupDrawPoint(float pointSize);

    void setupDrawColor(int color, int alpha);

    void setupDrawColor(float r, float g, float b, float a);

    void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0);

    void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords);

    void setupDrawVertices(GLvoid* vertices);

    void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords,

            float strokeWidth, int& widthSlot, int& lengthSlot);

    void finishDrawAALine(const int widthSlot, const int lengthSlot);

    void finishDrawTexture();

    void accountForClear(SkXfermode::Mode mode);