FGFS-4.1/OpenSceneGraph
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Added glMemoryBarrier, glMapBufferRange and glBindBufferBase to GL2Extensions

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14568 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield 2014-12-04 17:12:55 +00:00
parent 6569f69de1
commit 1791ac08a8
2 changed files with 47 additions and 0 deletions
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44
include/osg/GL2Extensions
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@ -485,6 +485,46 @@ typedef char GLchar;
#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
#endif
#ifndef GL_VERSION_4_3
#define GL_SHADER_STORAGE_BARRIER_BIT 0x2000
#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES 0x8F39
#define GL_SHADER_STORAGE_BUFFER 0x90D2
#define GL_SHADER_STORAGE_BUFFER_BINDING 0x90D3
#define GL_SHADER_STORAGE_BUFFER_START 0x90D4
#define GL_SHADER_STORAGE_BUFFER_SIZE 0x90D5
#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6
#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7
#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8
#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9
#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA
#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB
#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC
#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD
#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE 0x90DE
#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF
#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001
#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002
#define GL_UNIFORM_BARRIER_BIT 0x00000004
#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008
#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020
#define GL_COMMAND_BARRIER_BIT 0x00000040
#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080
#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100
#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200
#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400
#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800
#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000
#define GL_MAP_READ_BIT 0x0001
#define GL_MAP_WRITE_BIT 0x0002
#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004
#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008
#define GL_MAP_FLUSH_EXPLICIT_BIT 0x0010
#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020
#endif
namespace osg {
class OSG_EXPORT GL2Extensions : public osg::Referenced
@ -679,6 +719,10 @@ class OSG_EXPORT GL2Extensions : public osg::Referenced
void (GL_APIENTRY * glGetActiveAtomicCounterBufferiv)( GLuint program, GLuint bufferIndex, GLenum pname, GLint* params );
void (GL_APIENTRY * glDispatchCompute)( GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ );
void (GL_APIENTRY * glMemoryBarrier)( GLbitfield barriers );
GLvoid* (GL_APIENTRY * glMapBufferRange)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
void (GL_APIENTRY * glBindBufferBase)(GLenum target, GLuint index, GLuint buffer);
};
}

3
src/osg/GL2Extensions.cpp
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@ -272,6 +272,9 @@ GL2Extensions::GL2Extensions(unsigned int contextID)
// ARB_compute_shader
setGLExtensionFuncPtr(glDispatchCompute, "glDispatchCompute" );
setGLExtensionFuncPtr(glMemoryBarrier, "glMemoryBarrier", "glMemoryBarrierEXT" );
setGLExtensionFuncPtr(glMapBufferRange, "glMapBufferRange" );
setGLExtensionFuncPtr(glBindBufferBase, "glBindBufferBase", "glBindBufferBaseEXT", "glBindBufferBaseNV" );
}