FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added glViewerArray, glSissorArray, glDepthRangeArray etc. GL extension support

Browse Source
This commit is contained in:
Laurens Voerman 2016-06-29 09:53:04 +01:00 committed by Robert Osfield
parent 1df3cb9144
commit ec74518868
2 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
include/osg/GLExtensions
View File

@ -626,7 +626,25 @@ class OSG_EXPORT GLExtensions : public osg::Referenced
// MultiDrawArrays
void (GL_APIENTRY * glMultiDrawArrays) (GLenum mode, const GLint * first, const GLsizei * count, GLsizei primcount);
// ViewportArray
bool isViewportArraySupported;
void (GL_APIENTRY * glViewportArrayv) (GLuint first, GLsizei count, const GLfloat * v);
void (GL_APIENTRY * glViewportIndexedf) (GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h);
void (GL_APIENTRY * glViewportIndexedfv) (GLuint index, const GLfloat * v);
void (GL_APIENTRY * glScissorArrayv) (GLuint first, GLsizei count, const GLint * v);
void (GL_APIENTRY * glScissorIndexed) (GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height);
void (GL_APIENTRY * glScissorIndexedv) (GLuint index, const GLint * v);
void (GL_APIENTRY * glDepthRangeArrayv) (GLuint first, GLsizei count, const GLclampd * v);
void (GL_APIENTRY * glDepthRangeIndexed) (GLuint index, GLclampd n, GLclampd f);
void (GL_APIENTRY * glGetFloati_v) (GLenum target, GLuint index, GLfloat *data);
void (GL_APIENTRY * glGetDoublei_v) (GLenum target, GLuint index, GLdouble *data);
//introduced by other OpenGL extensions such as EXT_draw_buffers2
void (GL_APIENTRY * glGetIntegerIndexedvEXT) (GLenum target, GLuint index, int * v);
void (GL_APIENTRY * glEnableIndexedEXT) (GLenum target, GLuint index);
void (GL_APIENTRY * glDisableIndexedEXT) (GLenum target, GLuint index);
GLboolean (GL_APIENTRY * glIsEnabledIndexedEXT) (GLenum target, GLuint index);
};

19
src/osg/GLExtensions.cpp
View File

@ -1103,6 +1103,25 @@ GLExtensions::GLExtensions(unsigned int contextID)
// MultiDrawArrays
setGLExtensionFuncPtr(glMultiDrawArrays, "glMultiDrawArrays", "glMultiDrawArraysEXT", validContext);
// ViewportArray
isViewportArraySupported = validContext && (isGLExtensionOrVersionSupported(contextID, "GL_ARB_viewport_array", 4.1f));
osg::setGLExtensionFuncPtr(glViewportArrayv, "glViewportArrayv", validContext);
osg::setGLExtensionFuncPtr(glViewportIndexedf, "glViewportIndexedf", validContext);
osg::setGLExtensionFuncPtr(glViewportIndexedfv, "glViewportIndexedfv", validContext);
osg::setGLExtensionFuncPtr(glScissorArrayv, "glScissorArrayv", validContext);
osg::setGLExtensionFuncPtr(glScissorIndexed, "glScissorIndexed", validContext);
osg::setGLExtensionFuncPtr(glScissorIndexedv, "glScissorIndexedv", validContext);
osg::setGLExtensionFuncPtr(glDepthRangeArrayv, "glDepthRangeArrayv", validContext);
osg::setGLExtensionFuncPtr(glDepthRangeIndexed, "glDepthRangeIndexed", validContext);
osg::setGLExtensionFuncPtr(glGetFloati_v, "glGetFloati_v", validContext);
osg::setGLExtensionFuncPtr(glGetDoublei_v, "glGetDoublei_v", validContext);
osg::setGLExtensionFuncPtr(glGetIntegerIndexedvEXT, "glGetIntegerIndexedvEXT", validContext);
osg::setGLExtensionFuncPtr(glEnableIndexedEXT, "glEnableIndexedEXT", validContext);
osg::setGLExtensionFuncPtr(glDisableIndexedEXT, "glDisableIndexedEXT", validContext);
osg::setGLExtensionFuncPtr(glIsEnabledIndexedEXT, "glIsEnabledIndexedEXT", validContext);
}