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b=570779; validate enums in blend functions; r=vladimir

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This commit is contained in:
Benoit Jacob
2010-06-19 10:48:44 -04:00
parent d1f3481dbb
commit 9da5a21001
3 changed files with 91 additions and 5 deletions
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43
content/canvas/src/WebGLContextValidate.cpp
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@@ -143,6 +143,49 @@ PRBool WebGLContext::ValidateCapabilityEnum(WebGLenum cap)
}
}
PRBool WebGLContext::ValidateBlendEquationEnum(WebGLenum mode)
{
switch (mode) {
case LOCAL_GL_FUNC_ADD:
case LOCAL_GL_FUNC_SUBTRACT:
case LOCAL_GL_FUNC_REVERSE_SUBTRACT:
return PR_TRUE;
default:
return PR_FALSE;
}
}
PRBool WebGLContext::ValidateBlendFuncDstEnum(WebGLenum factor)
{
switch (factor) {
case LOCAL_GL_ZERO:
case LOCAL_GL_ONE:
case LOCAL_GL_SRC_COLOR:
case LOCAL_GL_ONE_MINUS_SRC_COLOR:
case LOCAL_GL_DST_COLOR:
case LOCAL_GL_ONE_MINUS_DST_COLOR:
case LOCAL_GL_SRC_ALPHA:
case LOCAL_GL_ONE_MINUS_SRC_ALPHA:
case LOCAL_GL_DST_ALPHA:
case LOCAL_GL_ONE_MINUS_DST_ALPHA:
case LOCAL_GL_CONSTANT_COLOR:
case LOCAL_GL_ONE_MINUS_CONSTANT_COLOR:
case LOCAL_GL_CONSTANT_ALPHA:
case LOCAL_GL_ONE_MINUS_CONSTANT_ALPHA:
return PR_TRUE;
default:
return PR_FALSE;
}
}
PRBool WebGLContext::ValidateBlendFuncSrcEnum(WebGLenum factor)
{
if(factor == LOCAL_GL_SRC_ALPHA_SATURATE)
return PR_TRUE;
else
return ValidateBlendFuncDstEnum(factor);
}
PRBool
WebGLContext::InitAndValidateGL()
{