b=569984; [webgl] verify shader attachment/detachment and program completeness; r=bjacob

2010-06-04 12:03:33 -07:00
parent 93269b61c0
commit 7dfc07d4e5
4 changed files with 144 additions and 61 deletions
--- a/content/canvas/src/WebGLContextValidate.cpp
+++ b/content/canvas/src/WebGLContextValidate.cpp
@@ -61,6 +61,11 @@ WebGLContext::ValidateBuffers(PRUint32 count)
        return PR_FALSE;
    }

+    if (currentProgram != mCurrentProgram->GLName()) {
+        LogMessage("WebGL internal error: current program doesn't agree with GL current program");
+        return PR_FALSE;
+    }
+
    gl->fGetProgramiv(currentProgram, LOCAL_GL_ACTIVE_ATTRIBUTES, &numAttributes);
    if (numAttributes == -1) {
        // what?