commit 0329988bd0d85db658eb0f20c66c6a4b0f976547
author shannonwoods@chromium.org <shannonwoods@chromium.org@736b8ea6-26fd-11df-bfd4-992fa37f6226> Thu May 30 00:05:26 2013 +0000
committer shannonwoods@chromium.org <shannonwoods@chromium.org@736b8ea6-26fd-11df-bfd4-992fa37f6226> Thu May 30 00:05:26 2013 +0000
tree a66ec59e44439ff842acb15a2cafaa4e88ea79a3
parent 7a1ebada696e96d49a0605fca01d078c321b093f

Add support for querying gl_DepthRange as an active uniform via GetActiveUniform.

TRAC #22865

Signed-off-by: Geoff Lang
Signed-off-by: Shannon Woods
Author: Jamie Madill

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2292 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libGLESv2/ProgramBinary.cpp

diff --git a/src/libGLESv2/ProgramBinary.cpp b/src/libGLESv2/ProgramBinary.cpp
index a4b0810..803e8fa 100644
--- a/src/libGLESv2/ProgramBinary.cpp
+++ b/src/libGLESv2/ProgramBinary.cpp
@@ -1702,6 +1702,14 @@
         success = false;
     }
 
+    // special case for gl_DepthRange, the only built-in uniform (also a struct)
+    if (vertexShader->mUsesDepthRange || fragmentShader->mUsesDepthRange)
+    {
+        mUniforms.push_back(new Uniform(GL_FLOAT, GL_HIGH_FLOAT, "gl_DepthRange.near", 0));
+        mUniforms.push_back(new Uniform(GL_FLOAT, GL_HIGH_FLOAT, "gl_DepthRange.far", 0));
+        mUniforms.push_back(new Uniform(GL_FLOAT, GL_HIGH_FLOAT, "gl_DepthRange.diff", 0));
+    }
+
     return success;
 }