Initial version of clipped saveLayer in new pipeline

Additionally disables usage of FBO cache, so FBO destruction safely
interacts with renderstate caching.

Change-Id: I25c277cb7afec2ca33bf226445d6c8867a15a915

1 files changed, 15 insertions, 0 deletions

diff --git a/libs/hwui/renderstate/RenderState.cpp b/libs/hwui/renderstate/RenderState.cpp
index dfa70ace2f44..9637117bc11a 100644
--- a/libs/hwui/renderstate/RenderState.cpp
+++ b/libs/hwui/renderstate/RenderState.cpp
@@ -125,6 +125,21 @@ void RenderState::bindFramebuffer(GLuint fbo) {
     }
 }
 
+GLuint RenderState::genFramebuffer() {
+    GLuint ret;
+    glGenFramebuffers(1, &ret);
+    return ret;
+}
+
+void RenderState::deleteFramebuffer(GLuint fbo) {
+    if (mFramebuffer == fbo) {
+        // GL defines that deleting the currently bound FBO rebinds FBO 0.
+        // Reflect this in our cached value.
+        mFramebuffer = 0;
+    }
+    glDeleteFramebuffers(1, &fbo);
+}
+
 void RenderState::invokeFunctor(Functor* functor, DrawGlInfo::Mode mode, DrawGlInfo* info) {
     if (mode == DrawGlInfo::kModeProcessNoContext) {
         // If there's no context we don't need to interrupt as there's