commit 54f59ef8cb6eeab95cd537c5f874519a1cf50f66
author jbauman@chromium.org <jbauman@chromium.org@736b8ea6-26fd-11df-bfd4-992fa37f6226> Wed Oct 12 17:03:34 2011 +0000
committer jbauman@chromium.org <jbauman@chromium.org@736b8ea6-26fd-11df-bfd4-992fa37f6226> Wed Oct 12 17:03:34 2011 +0000
tree 5da6eedc58d10c23a57e46a7ddd30bc010998929
parent a28233e5a627f46a4d60b332a1cda860b4496366

Don't reupload DX uniforms unless necessary

Makes Donuts NaCl test go from 14->16 fps.

BUG=
TEST=webgl conformance tests

Review URL: http://codereview.appspot.com/5233056

git-svn-id: https://angleproject.googlecode.com/svn/trunk@793 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libGLESv2/Context.cpp

diff --git a/src/libGLESv2/Context.cpp b/src/libGLESv2/Context.cpp
index aaed7bb..ef290f0 100644
--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -381,6 +381,7 @@
     mSampleStateDirty = true;
     mDitherStateDirty = true;
     mFrontFaceDirty = true;
+    mDxUniformsDirty = true;
     mCachedCurrentProgram = NULL;
 }
 
@@ -1043,6 +1044,7 @@
         Program *newProgram = mResourceManager->getProgram(program);
         Program *oldProgram = mResourceManager->getProgram(priorProgram);
         mCachedCurrentProgram = NULL;
+        mDxUniformsDirty = true;
 
         if (newProgram)
         {
@@ -1725,6 +1727,7 @@
         device->SetViewport(&viewport);
         mSetViewport = viewport;
         mViewportInitialized = true;
+        mDxUniformsDirty = true;
     }
 
     if (mScissorStateDirty)
@@ -1747,7 +1750,7 @@
         mScissorStateDirty = false;
     }
 
-    if (mState.currentProgram)
+    if (mState.currentProgram && mDxUniformsDirty)
     {
         Program *programObject = getCurrentProgram();
 
@@ -1768,6 +1771,7 @@
         GLint depthRange = programObject->getDxDepthRangeLocation();
         GLfloat nearFarDiff[3] = {zNear, zFar, zFar - zNear};
         programObject->setUniform3fv(depthRange, 1, nearFarDiff);
+        mDxUniformsDirty = false;
     }
 
     return true;