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Bug 765137 - 1/3 - WebGL: use case-insensitive comparisons rather than lower-case versions of extension strings - r=jgilbert

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This commit is contained in:
Benoit Jacob 2012-06-16 01:11:50 -04:00
parent 39b9e3eeb6
commit b47f9b8c7b
1 changed files with 16 additions and 9 deletions
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25
content/canvas/src/WebGLContext.cpp
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@ -889,32 +889,39 @@ WebGLContext::GetExtension(const nsAString& aName)
{ {
if (!IsContextStable()) if (!IsContextStable())
return nsnull; return nsnull;
if (mDisableExtensions) { if (mDisableExtensions) {
return nsnull; return nsnull;
} }
nsString lowerCaseName(aName);
ToLowerCase(lowerCaseName);
WebGLExtensionID ei = WebGLExtensionID_Max; WebGLExtensionID ei = WebGLExtensionID_Max;
if (lowerCaseName.EqualsLiteral("oes_texture_float")) { if (aName.Equals(NS_LITERAL_STRING("OES_texture_float"),
nsCaseInsensitiveStringComparator()))
{
if (IsExtensionSupported(WebGL_OES_texture_float)) if (IsExtensionSupported(WebGL_OES_texture_float))
ei = WebGL_OES_texture_float; ei = WebGL_OES_texture_float;
} }
else if (lowerCaseName.EqualsLiteral("oes_standard_derivatives")) { else if (aName.Equals(NS_LITERAL_STRING("OES_standard_derivatives"),
nsCaseInsensitiveStringComparator()))
{
if (IsExtensionSupported(WebGL_OES_standard_derivatives)) if (IsExtensionSupported(WebGL_OES_standard_derivatives))
ei = WebGL_OES_standard_derivatives; ei = WebGL_OES_standard_derivatives;
} }
else if (lowerCaseName.EqualsLiteral("moz_ext_texture_filter_anisotropic")) { else if (aName.Equals(NS_LITERAL_STRING("MOZ_EXT_texture_filter_anisotropic"),
nsCaseInsensitiveStringComparator()))
{
if (IsExtensionSupported(WebGL_EXT_texture_filter_anisotropic)) if (IsExtensionSupported(WebGL_EXT_texture_filter_anisotropic))
ei = WebGL_EXT_texture_filter_anisotropic; ei = WebGL_EXT_texture_filter_anisotropic;
} }
else if (lowerCaseName.EqualsLiteral("moz_webgl_lose_context")) { else if (aName.Equals(NS_LITERAL_STRING("MOZ_WEBGL_lose_context"),
nsCaseInsensitiveStringComparator()))
{
if (IsExtensionSupported(WebGL_WEBGL_lose_context)) if (IsExtensionSupported(WebGL_WEBGL_lose_context))
ei = WebGL_WEBGL_lose_context; ei = WebGL_WEBGL_lose_context;
} }
else if (lowerCaseName.EqualsLiteral("moz_webgl_compressed_texture_s3tc")) { else if (aName.Equals(NS_LITERAL_STRING("MOZ_WEBGL_compressed_texture_s3tc"),
nsCaseInsensitiveStringComparator()))
{
if (IsExtensionSupported(WebGL_WEBGL_compressed_texture_s3tc)) if (IsExtensionSupported(WebGL_WEBGL_compressed_texture_s3tc))
ei = WebGL_WEBGL_compressed_texture_s3tc; ei = WebGL_WEBGL_compressed_texture_s3tc;
} }