commit 7077506f9945b87b02bdd47ffce75a5b813c821c
author Dave Burke <daveburke@google.com> Mon Nov 14 11:39:30 2011 -0800
committer Dave Burke <daveburke@google.com> Mon Nov 14 11:39:30 2011 -0800
tree 303448affa31375afa0a721d8d5555801ead8454
parent cde433c5f75fd4ac2ab31e9fc34654750d1e83f8

Revert "Discard framebuffer rendering queues when discarding layers"

This reverts commit da96f8ac2c1c35a54f3f36e6d776cb386a251d03.

libs/hwui/LayerRenderer.cpp

diff --git a/libs/hwui/LayerRenderer.cpp b/libs/hwui/LayerRenderer.cpp
index b7c079b..e38b479 100644
--- a/libs/hwui/LayerRenderer.cpp
+++ b/libs/hwui/LayerRenderer.cpp
@@ -305,10 +305,8 @@
         LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d",
                 layer->getWidth(), layer->getHeight(), layer->getFbo());
 
-        GLuint fbo = layer->getFbo();
-        if (fbo) {
-            flushLayer(layer);
-            Caches::getInstance().fboCache.put(fbo);
+        if (layer->getFbo()) {
+            Caches::getInstance().fboCache.put(layer->getFbo());
         }
 
         if (!Caches::getInstance().layerCache.put(layer)) {
@@ -333,26 +331,6 @@
     }
 }
 
-void LayerRenderer::flushLayer(Layer* layer) {
-#ifdef GL_EXT_discard_framebuffer
-    GLuint fbo = layer->getFbo();
-    if (layer && fbo) {
-        // If possible, discard any enqued operations on deferred
-        // rendering architectures
-        if (Caches::getInstance().extensions.hasDiscardFramebuffer()) {
-            GLuint previousFbo;
-            glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo);
-
-            GLenum attachments = GL_COLOR_ATTACHMENT0;
-            glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-            glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, &attachments);
-
-            glBindFramebuffer(GL_FRAMEBUFFER, previousFbo);
-        }
-    }
-#endif
-}
-
 bool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) {
     Caches& caches = Caches::getInstance();
     if (layer && layer->isTextureLayer() && bitmap->width() <= caches.maxTextureSize &&