Add region-tracking to OffscreenBuffers
Change-Id: I024c7219c080b9a89888517f5a89d49dfe8065ba
diff --git a/libs/hwui/renderstate/MeshState.cpp b/libs/hwui/renderstate/MeshState.cpp
index 0521f65..03cb5ce 100644
--- a/libs/hwui/renderstate/MeshState.cpp
+++ b/libs/hwui/renderstate/MeshState.cpp
@@ -100,6 +100,24 @@
return false;
}
+void MeshState::genOrUpdateMeshBuffer(GLuint* buffer, GLsizeiptr size,
+ const void* data, GLenum usage) {
+ if (!*buffer) {
+ glGenBuffers(1, buffer);
+ }
+ bindMeshBuffer(*buffer);
+ glBufferData(GL_ARRAY_BUFFER, size, data, usage);
+}
+
+void MeshState::deleteMeshBuffer(GLuint buffer) {
+ if (buffer == mCurrentBuffer) {
+ // GL defines that deleting the currently bound VBO rebinds to 0 (no VBO).
+ // Reflect this in our cached value.
+ mCurrentBuffer = 0;
+ }
+ glDeleteBuffers(1, &buffer);
+}
+
///////////////////////////////////////////////////////////////////////////////
// Vertices
///////////////////////////////////////////////////////////////////////////////
diff --git a/libs/hwui/renderstate/MeshState.h b/libs/hwui/renderstate/MeshState.h
index e80f4d0..6c0fb78 100644
--- a/libs/hwui/renderstate/MeshState.h
+++ b/libs/hwui/renderstate/MeshState.h
@@ -75,6 +75,9 @@
*/
bool unbindMeshBuffer();
+ void genOrUpdateMeshBuffer(GLuint* buffer, GLsizeiptr size, const void* data, GLenum usage);
+ void deleteMeshBuffer(GLuint);
+
///////////////////////////////////////////////////////////////////////////////
// Vertices
///////////////////////////////////////////////////////////////////////////////