commit 1436e26153252125ece83ea19f848e037164e1d9
author daniel@transgaming.com <daniel@transgaming.com@736b8ea6-26fd-11df-bfd4-992fa37f6226> Wed Mar 17 03:58:56 2010 +0000
committer daniel@transgaming.com <daniel@transgaming.com@736b8ea6-26fd-11df-bfd4-992fa37f6226> Wed Mar 17 03:58:56 2010 +0000
tree d055026029ef186dd8e2a4cb98591e5b1978ef96
parent f67f82ec8c9584eca32aefdbc2a6d00efb49e369

Implements separate stencil support to proposed WebGL limitations

TRAC #11450
Author:    Shannon Woods
Signed-off-by: Andrew Lewycky
Signed-off-by: Daniel Koch

git-svn-id: https://angleproject.googlecode.com/svn/trunk@32 736b8ea6-26fd-11df-bfd4-992fa37f6226

libGLESv2/Context.cpp

diff --git a/libGLESv2/Context.cpp b/libGLESv2/Context.cpp
index c5a2623..dc1e0a4 100644
--- a/libGLESv2/Context.cpp
+++ b/libGLESv2/Context.cpp
@@ -908,9 +908,11 @@
         const D3DRENDERSTATETYPE D3DRS_CCW_STENCILREF = D3DRS_STENCILREF;
         const D3DRENDERSTATETYPE D3DRS_CCW_STENCILMASK = D3DRS_STENCILMASK;
         const D3DRENDERSTATETYPE D3DRS_CCW_STENCILWRITEMASK = D3DRS_STENCILWRITEMASK;
-        ASSERT(stencilRef == stencilBackRef);
-        ASSERT(stencilMask == stencilBackMask);
-        ASSERT(stencilWritemask == stencilBackWritemask);
+        if(stencilWritemask != stencilBackWritemask || stencilRef != stencilBackRef || stencilMask != stencilBackMask)
+        {
+            ERR("Separate front/back stencil writemasks, reference values, or stencil mask values are invalid under WebGL.");
+            return error(GL_INVALID_OPERATION);
+        }
 
         device->SetRenderState(frontFace == GL_CCW ? D3DRS_STENCILWRITEMASK : D3DRS_CCW_STENCILWRITEMASK, stencilWritemask);
         device->SetRenderState(frontFace == GL_CCW ? D3DRS_STENCILFUNC : D3DRS_CCW_STENCILFUNC, es2dx::ConvertComparison(stencilFunc));