Add GL_CHROMIUM_framebuffer_multisample support.
Review URL: http://codereview.appspot.com/4287072/
git-svn-id: http://skia.googlecode.com/svn/trunk@984 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrGLInterface.cpp b/gpu/src/GrGLInterface.cpp
index 702b057..9c3d5bb 100644
--- a/gpu/src/GrGLInterface.cpp
+++ b/gpu/src/GrGLInterface.cpp
@@ -212,11 +212,26 @@
fboFound = true;
}
#endif
-
- #if GL_APPLE_framebuffer_multisample
- if (has_gl_extension_from_string("GL_APPLE_framebuffer_multisample",
+ bool msaaFound = false;
+ // Chrome advertises the equivalent of GL_EXT_framebuffer_blit plus
+ // GL_EXT_framebuffer_multisample as GL_CHROMIUM_framebuffer_multisample
+ // The EXT suffixes are used on the functions, however.
+ #if GL_EXT_framebuffer_multisample
+ if (!msaaFound &&
+ has_gl_extension_from_string("GL_CHROMIUM_framebuffer_multisample",
extensionString)) {
+ GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
+ GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
+ msaaFound = true;
+ }
+ #endif
+ #if GL_APPLE_framebuffer_multisample
+ if (!msaaFound &&
+ has_gl_extension_from_string("GL_APPLE_framebuffer_multisample",
+ extensionString)) {
+ GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, APPLE);
GR_GL_GET_PROC_SUFFIX(ResolveMultisampleFramebuffer, APPLE);
+ msaaFound = true;
}
#endif