FGFS-4.1/OpenSceneGraph
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Added the full set of buffer object methods

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This commit is contained in:
Robert Osfield
2005-02-07 17:28:03 +00:00
parent 802940aec7
commit 46ce4c3df3
2 changed files with 95 additions and 43 deletions
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107
src/osg/Drawable.cpp
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@@ -690,6 +690,12 @@ void Drawable::Extensions::lowestCommonDenominator(const Extensions& rhs)
if (!rhs._glBufferData) _glBufferData = 0;
if (!rhs._glBufferSubData) _glBufferSubData = 0;
if (!rhs._glDeleteBuffers) _glDeleteBuffers = 0;
if (!rhs._glIsBuffer) _glIsBuffer = 0;
if (!rhs._glGetBufferSubData) _glGetBufferSubData = 0;
if (!rhs._glMapBuffer) _glMapBuffer = 0;
if (!rhs._glUnmapBuffer) _glUnmapBuffer = 0;
if (!rhs._glGetBufferParameteriv) _glGetBufferParameteriv = 0;
if (!rhs._glGetBufferPointerv) _glGetBufferPointerv = 0;
if (!rhs._glGenOcclusionQueries) _glGenOcclusionQueries = 0;
if (!rhs._glDeleteOcclusionQueries) _glDeleteOcclusionQueries = 0;
@@ -739,6 +745,12 @@ void Drawable::Extensions::setupGLExtenions()
_glBufferData = ((BufferDataProc)osg::getGLExtensionFuncPtr("glBufferData","glBufferDataARB"));
_glBufferSubData = ((BufferSubDataProc)osg::getGLExtensionFuncPtr("glBufferSubData","glBufferSubDataARB"));
_glDeleteBuffers = ((DeleteBuffersProc)osg::getGLExtensionFuncPtr("glDeleteBuffers","glDeleteBuffersARB"));
_glIsBuffer = ((IsBufferProc)osg::getGLExtensionFuncPtr("glIsBuffer","glIsBufferARB"));
_glGetBufferSubData = ((GetBufferSubDataProc)osg::getGLExtensionFuncPtr("glGetBufferSubData","glGetBufferSubDataARB"));
_glMapBuffer = ((MapBufferProc)osg::getGLExtensionFuncPtr("glMapBuffer","glMapBufferARB"));
_glUnmapBuffer = ((UnmapBufferProc)osg::getGLExtensionFuncPtr("glUnmapBuffer","glUnmapBufferARB"));
_glGetBufferParameteriv = ((GetBufferParameterivProc)osg::getGLExtensionFuncPtr("glGetBufferParameteriv","glGetBufferParameterivARB"));
_glGetBufferPointerv = ((GetBufferPointervProc)osg::getGLExtensionFuncPtr("glGetBufferPointerv","glGetBufferPointervARB"));
_glGenOcclusionQueries = ((GenOcclusionQueriesProc)osg::getGLExtensionFuncPtr("glGenOcclusionQueries","glGenOcclusionQueriesNV"));
_glDeleteOcclusionQueries = ((DeleteOcclusionQueriesProc)osg::getGLExtensionFuncPtr("glDeleteOcclusionQueries","glDeleteOcclusionQueriesNV"));
@@ -928,64 +940,83 @@ void Drawable::Extensions::glVertexAttrib4Nubv(unsigned int index, const GLubyte
void Drawable::Extensions::glGenBuffers(GLsizei n, GLuint *buffers) const
{
if (_glGenBuffers)
{
_glGenBuffers(n, buffers);
}
else
{
notify(WARN)<<"Error: glGenBuffers not supported by OpenGL driver"<<std::endl;
}
if (_glGenBuffers) _glGenBuffers(n, buffers);
else notify(WARN)<<"Error: glGenBuffers not supported by OpenGL driver"<<std::endl;
}
void Drawable::Extensions::glBindBuffer(GLenum target, GLuint buffer) const
{
if (_glBindBuffer)
{
_glBindBuffer(target, buffer);
}
else
{
notify(WARN)<<"Error: glBindBuffer not supported by OpenGL driver"<<std::endl;
}
if (_glBindBuffer) _glBindBuffer(target, buffer);
else notify(WARN)<<"Error: glBindBuffer not supported by OpenGL driver"<<std::endl;
}
void Drawable::Extensions::glBufferData(GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage) const
{
if (_glBufferData)
{
_glBufferData(target, size, data, usage);
}
else
{
notify(WARN)<<"Error: glBufferData not supported by OpenGL driver"<<std::endl;
}
if (_glBufferData) _glBufferData(target, size, data, usage);
else notify(WARN)<<"Error: glBufferData not supported by OpenGL driver"<<std::endl;
}
void Drawable::Extensions::glBufferSubData(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data) const
{
if (_glBufferSubData)
{
_glBufferSubData(target, offset, size, data);
}
else
{
notify(WARN)<<"Error: glBufferData not supported by OpenGL driver"<<std::endl;
}
if (_glBufferSubData) _glBufferSubData(target, offset, size, data);
else notify(WARN)<<"Error: glBufferData not supported by OpenGL driver"<<std::endl;
}
void Drawable::Extensions::glDeleteBuffers(GLsizei n, const GLuint *buffers) const
{
if (_glDeleteBuffers)
if (_glDeleteBuffers) _glDeleteBuffers(n, buffers);
else notify(WARN)<<"Error: glBufferData not supported by OpenGL driver"<<std::endl;
}
GLboolean Drawable::Extensions::glIsBuffer (GLuint buffer) const
{
if (_glIsBuffer) return _glIsBuffer(buffer);
else
{
_glDeleteBuffers(n, buffers);
}
else
{
notify(WARN)<<"Error: glBufferData not supported by OpenGL driver"<<std::endl;
notify(WARN)<<"Error: glIsBuffer not supported by OpenGL driver"<<std::endl;
return GL_FALSE;
}
}
void Drawable::Extensions::glGetBufferSubData (GLenum target, GLintptrARB offset, GLsizeiptrARB size, GLvoid *data) const
{
if (_glGetBufferSubData) _glGetBufferSubData(target,offset,size,data);
else notify(WARN)<<"Error: glGetBufferSubData not supported by OpenGL driver"<<std::endl;
}
GLvoid* Drawable::Extensions::glMapBuffer (GLenum target, GLenum access) const
{
if (_glMapBuffer) return _glMapBuffer(target,access);
else
{
notify(WARN)<<"Error: glMapBuffer not supported by OpenGL driver"<<std::endl;
return 0;
}
}
GLboolean Drawable::Extensions::glUnmapBuffer (GLenum target) const
{
if (_glUnmapBuffer) return _glUnmapBuffer(target);
else
{
notify(WARN)<<"Error: glUnmapBuffer not supported by OpenGL driver"<<std::endl;
return GL_FALSE;
}
}
void Drawable::Extensions::glGetBufferParameteriv (GLenum target, GLenum pname, GLint *params) const
{
if (_glGetBufferParameteriv) _glGetBufferParameteriv(target,pname,params);
else notify(WARN)<<"Error: glGetBufferParameteriv not supported by OpenGL driver"<<std::endl;
}
void Drawable::Extensions::glGetBufferPointerv (GLenum target, GLenum pname, GLvoid* *params) const
{
if (_glGetBufferPointerv) _glGetBufferPointerv(target,pname,params);
else notify(WARN)<<"Error: glGetBufferPointerv not supported by OpenGL driver"<<std::endl;
}
void Drawable::Extensions::glGenOcclusionQueries( GLsizei n, GLuint *ids ) const
{
if (_glGenOcclusionQueries)