diff options
author | 2011-03-23 13:50:34 +0000 | |
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committer | 2011-03-23 13:50:34 +0000 | |
commit | a9ecdadfbcc06ccfd40f13aa2d7b563a64520060 (patch) | |
tree | 22ceff7424c8dbd94ad713451f6396c66575a875 /gpu/src/GrGLInterface.cpp | |
parent | c04e6d500ca29bbca270ee49a22d92cc3139e498 (diff) |
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
Diffstat (limited to 'gpu/src/GrGLInterface.cpp')
-rw-r--r-- | gpu/src/GrGLInterface.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/gpu/src/GrGLInterface.cpp b/gpu/src/GrGLInterface.cpp index 702b057e3e..9c3d5bbd6b 100644 --- a/gpu/src/GrGLInterface.cpp +++ b/gpu/src/GrGLInterface.cpp @@ -212,11 +212,26 @@ void InitializeGLInterfaceExtensions(GrGLInterface* glBindings) { fboFound = true; } #endif - + 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 (has_gl_extension_from_string("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 |