Use global indices array to draw layers
An array of indices local to a layer would only be necessary if
we changed the way we resolve T-junctions. Since we only ever
draw quads, let's just use the indices we use everywhere else.
This change also uses the global indices array to render list
of colored rectangles to save on the number of vertices generated
CPU-side.
Change-Id: Ia6d1970b0e9247805af5a114ca2a84b5d0b7c282
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index 5e731b4..eb42540 100644
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -850,6 +850,13 @@
bool ignoreTransform, bool ignoreScale = false, bool dirty = true);
/**
+ * Draws the specified list of vertices as quads using indexed GL_TRIANGLES.
+ * If the number of vertices to draw exceeds the number of indices we have
+ * pre-allocated, this method will generate several glDrawElements() calls.
+ */
+ void drawIndexedQuads(Vertex* mesh, GLsizei quadsCount);
+
+ /**
* Draws text underline and strike-through if needed.
*
* @param text The text to decor
@@ -988,7 +995,7 @@
void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0);
void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors);
void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo = 0);
- void setupDrawVertices(GLvoid* vertices);
+ void setupDrawIndexedVertices(GLvoid* vertices);
void finishDrawTexture();
void accountForClear(SkXfermode::Mode mode);