FGFS-4.1/OpenSceneGraph
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Check GL_NV_framebuffer_multisample_coverage

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`isRenderbufferMultisampleCoverageSupported()` should not return true if
the extension is not supported.

Fixes #1028
This commit is contained in:
Gleb Mazovetskiy
2021-03-16 22:13:53 +00:00
committed by Robert Osfield
parent 9fb010fadd
commit b14eecb3c7
2 changed files with 5 additions and 4 deletions
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5
src/osg/GLExtensions.cpp
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@@ -1085,7 +1085,10 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
setGLExtensionFuncPtr(glGenRenderbuffers, "glGenRenderbuffers", "glGenRenderbuffersEXT", "glGenRenderbuffersOES", validContext);
setGLExtensionFuncPtr(glRenderbufferStorage, "glRenderbufferStorage", "glRenderbufferStorageEXT", "glRenderbufferStorageOES", validContext);
setGLExtensionFuncPtr(glRenderbufferStorageMultisample, "glRenderbufferStorageMultisample", "glRenderbufferStorageMultisampleEXT", "glRenderbufferStorageMultisampleOES", validContext);
setGLExtensionFuncPtr(glRenderbufferStorageMultisampleCoverageNV, "glRenderbufferStorageMultisampleCoverageNV", validContext);
if (isGLExtensionSupported(contextID, "GL_NV_framebuffer_multisample_coverage"))
setGLExtensionFuncPtr(glRenderbufferStorageMultisampleCoverageNV, "glRenderbufferStorageMultisampleCoverageNV", validContext);
else
glRenderbufferStorageMultisampleCoverageNV = NULL;
setGLExtensionFuncPtr(glBindFramebuffer, "glBindFramebuffer", "glBindFramebufferEXT", "glBindFramebufferOES", validContext);
setGLExtensionFuncPtr(glDeleteFramebuffers, "glDeleteFramebuffers", "glDeleteFramebuffersEXT", "glDeleteFramebuffersOES", validContext);
setGLExtensionFuncPtr(glGenFramebuffers, "glGenFramebuffers", "glGenFramebuffersEXT", "glGenFramebuffersOES", validContext);