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Bug 1368284 - Add SH_ADD_AND_TRUE_TO_LOOP_CONDITION shader compile work around for Intel drivers on MacOSX; r=jgilbert

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MozReview-Commit-ID: JMHuZirH4L5

--HG--
extra : rebase_source : b015176a20feba7a9032255323c0f2e4960a85d2
This commit is contained in:
Daosheng Mu 2017-06-26 08:39:30 -07:00
parent 260c76375c
commit 51833534e1
1 changed files with 5 additions and 0 deletions
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5
dom/canvas/WebGLShaderValidator.cpp
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@ -53,6 +53,11 @@ ChooseValidatorCompileOptions(const ShBuiltInResources& resources,
// Work around that Mac drivers handle struct scopes incorrectly.
options |= SH_REGENERATE_STRUCT_NAMES;
options |= SH_INIT_OUTPUT_VARIABLES;
// Work around that Intel drivers on Mac OSX handle for-loop incorrectly.
if (gl->Vendor() == gl::GLVendor::Intel) {
options |= SH_ADD_AND_TRUE_TO_LOOP_CONDITION;
}
#endif
if (!gl->IsANGLE() && gl->Vendor() == gl::GLVendor::Intel) {