Draw n-patches using OpenGL.
Currently only tested with title bars and buttons.
Change-Id: I8263a9281898dc0e943b1b8412827fe55639b9d6
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index 9da4b8e..b46e9d3 100644
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -32,10 +32,10 @@
#include "Program.h"
#include "Rect.h"
#include "Snapshot.h"
-#include "Texture.h"
-#include "Layer.h"
#include "TextureCache.h"
#include "LayerCache.h"
+#include "PatchCache.h"
+#include "Vertex.h"
namespace android {
namespace uirenderer {
@@ -45,22 +45,6 @@
///////////////////////////////////////////////////////////////////////////////
/**
- * Simple structure to describe a vertex with a position.
- * This is used to draw filled rectangles without a texture.
- */
-struct SimpleVertex {
- float position[2];
-}; // struct SimpleVertex
-
-/**
- * Simple structure to describe a vertex with a position and a texture.
- */
-struct TextureVertex {
- float position[2];
- float texture[2];
-}; // struct TextureVertex
-
-/**
* Structure mapping Skia xfermodes to OpenGL blending factors.
*/
struct Blender {
@@ -198,6 +182,13 @@
float alpha, SkXfermode::Mode mode, bool blend, bool isPremultiplied = false);
/**
+ * TODO: documentation
+ */
+ void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture,
+ float alpha, SkXfermode::Mode mode, bool blend, bool isPremultiplied,
+ GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount = 0);
+
+ /**
* Resets the texture coordinates stored in mDrawTextureVertices. Setting the values
* back to default is achieved by calling:
*
@@ -220,6 +211,12 @@
*/
inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode);
+ /**
+ * TODO: documentation
+ */
+ inline void generateVertices(TextureVertex* vertex, float y, float v, const int32_t xDivs[],
+ uint32_t xCount, float xStretch, float xStretchTex, float width, float widthTex);
+
// Dimensions of the drawing surface
int mWidth, mHeight;
@@ -243,9 +240,9 @@
// Used to draw textured quads
TextureVertex mDrawTextureVertices[4];
- // Used to cache all drawBitmap textures
TextureCache mTextureCache;
LayerCache mLayerCache;
+ PatchCache mPatchCache;
}; // class OpenGLRenderer
}; // namespace uirenderer