FGFS-4.1/OpenSceneGraph
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Added OpenGL Transform Feedback extensions.

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14600 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
2014-12-10 13:05:47 +00:00
parent 1b6e50a2dd
commit 49c48a5509
2 changed files with 46 additions and 0 deletions
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23
include/osg/GLExtensions
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@@ -577,6 +577,29 @@ class OSG_EXPORT GLExtensions : public osg::Referenced
void (GL_APIENTRY * glGetSynciv) (GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values);
// Transform feedback
void (GL_APIENTRY * glBeginTransformFeedback) (GLenum primitiveMode);
void (GL_APIENTRY * glEndTransformFeedback) (void);
void (GL_APIENTRY * glTransformFeedbackVaryings) (GLuint program, GLsizei count, const GLchar *const*varyings, GLenum bufferMode);
void (GL_APIENTRY * glGetTransformFeedbackVarying) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name);
void (GL_APIENTRY * glBindTransformFeedback) (GLenum target, GLuint id);
void (GL_APIENTRY * glDeleteTransformFeedbacks) (GLsizei n, const GLuint *ids);
void (GL_APIENTRY * glGenTransformFeedbacks) (GLsizei n, GLuint *ids);
GLboolean (GL_APIENTRY * glIsTransformFeedback) (GLuint id);
void (GL_APIENTRY * glPauseTransformFeedback) (void);
void (GL_APIENTRY * glResumeTransformFeedback) (void);
void (GL_APIENTRY * glDrawTransformFeedback) (GLenum mode, GLuint id);
void (GL_APIENTRY * glDrawTransformFeedbackStream) (GLenum mode, GLuint id, GLuint stream);
void (GL_APIENTRY * glDrawTransformFeedbackInstanced) (GLenum mode, GLuint id, GLsizei instancecount);
void (GL_APIENTRY * glDrawTransformFeedbackStreamInstanced) (GLenum mode, GLuint id, GLuint stream, GLsizei instancecount);
void (GL_APIENTRY * glCreateTransformFeedbacks) (GLsizei n, GLuint *ids);
void (GL_APIENTRY * glTransformFeedbackBufferBase) (GLuint xfb, GLuint index, GLuint buffer);
void (GL_APIENTRY * glTransformFeedbackBufferRange) (GLuint xfb, GLuint index, GLuint buffer, GLintptr offset, GLsizei size);
void (GL_APIENTRY * glGetTransformFeedbackiv) (GLuint xfb, GLenum pname, GLint *param);
void (GL_APIENTRY * glGetTransformFeedbacki_v) (GLuint xfb, GLenum pname, GLuint index, GLint *param);
void (GL_APIENTRY * glGetTransformFeedbacki64_v) (GLuint xfb, GLenum pname, GLuint index, GLint64 *param);
};

23
src/osg/GLExtensions.cpp
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@@ -1042,6 +1042,29 @@ GLExtensions::GLExtensions(unsigned int contextID)
osg::setGLExtensionFuncPtr(glWaitSync, "glWaitSync");
osg::setGLExtensionFuncPtr(glGetSynciv, "glGetSynciv");
// Transform Feeedback
osg::setGLExtensionFuncPtr(glBeginTransformFeedback, "glBeginTransformFeedback", "glBeginTransformFeedbackEXT");
osg::setGLExtensionFuncPtr(glEndTransformFeedback, "glEndTransformFeedback", "glEndTransformFeedbackEXT");
osg::setGLExtensionFuncPtr(glTransformFeedbackVaryings, "glTransformFeedbackVaryings", "glTransformFeedbackVaryingsEXT");
osg::setGLExtensionFuncPtr(glGetTransformFeedbackVarying, "glGetTransformFeedbackVarying", "glGetTransformFeedbackVaryingEXT");
osg::setGLExtensionFuncPtr(glBindTransformFeedback, "glBindTransformFeedback");
osg::setGLExtensionFuncPtr(glDeleteTransformFeedbacks, "glDeleteTransformFeedbacks");
osg::setGLExtensionFuncPtr(glGenTransformFeedbacks, "glGenTransformFeedbacks");
osg::setGLExtensionFuncPtr(glIsTransformFeedback, "glIsTransformFeedback");
osg::setGLExtensionFuncPtr(glPauseTransformFeedback, "glPauseTransformFeedback");
osg::setGLExtensionFuncPtr(glResumeTransformFeedback, "glResumeTransformFeedback");
osg::setGLExtensionFuncPtr(glDrawTransformFeedback, "glDrawTransformFeedback");
osg::setGLExtensionFuncPtr(glDrawTransformFeedbackStream, "glDrawTransformFeedbackStream");
osg::setGLExtensionFuncPtr(glDrawTransformFeedbackInstanced, "glDrawTransformFeedbackInstanced");
osg::setGLExtensionFuncPtr(glDrawTransformFeedbackStreamInstanced, "glDrawTransformFeedbackStreamInstanced");
osg::setGLExtensionFuncPtr(glCreateTransformFeedbacks, "glCreateTransformFeedbacks");
osg::setGLExtensionFuncPtr(glTransformFeedbackBufferBase, "glTransformFeedbackBufferBase");
osg::setGLExtensionFuncPtr(glTransformFeedbackBufferRange, "glTransformFeedbackBufferRange");
osg::setGLExtensionFuncPtr(glGetTransformFeedbackiv, "glGetTransformFeedbackiv");
osg::setGLExtensionFuncPtr(glGetTransformFeedbacki_v, "glGetTransformFeedbacki_v");
osg::setGLExtensionFuncPtr(glGetTransformFeedbacki64_v, "glGetTransformFeedbacki64_v");
}