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From Pavel Moloshtan, extension support for ARB_occlusion_querry

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Robert Osfield
2003-12-09 11:20:44 +00:00
parent 77fce7f6f6
commit 393f1580c8
2 changed files with 126 additions and 0 deletions
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41
include/osg/Drawable
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@@ -87,6 +87,16 @@ class Geometry;
#endif
#ifndef GL_ARB_occlusion_query
#define GL_SAMPLES_PASSED_ARB 0x8914
#define GL_QUERY_COUNTER_BITS_ARB 0x8864
#define GL_CURRENT_QUERY_ARB 0x8865
#define GL_QUERY_RESULT_ARB 0x8866
#define GL_QUERY_RESULT_AVAILABLE_ARB 0x8867
#endif
// this is define to alter the way display lists are compiled inside the
// the draw method, it has been found that the NVidia drivers fail completely
// to optimize COMPILE_AND_EXECUTE in fact make it go slower than for no display
@@ -498,6 +508,9 @@ class SG_EXPORT Drawable : public Object
void setOcclusionQuerySupported(bool flag) { _isOcclusionQuerySupported=flag; }
bool isOcclusionQuerySupported() const { return _isOcclusionQuerySupported; }
void setARBOcclusionQuerySupported(bool flag) { _isARBOcclusionQuerySupported=flag; }
bool isARBOcclusionQuerySupported() const { return _isARBOcclusionQuerySupported; }
void glSecondaryColor3ubv(const GLubyte* coord) const;
void glSecondaryColor3fv(const GLfloat* coord) const;
@@ -530,6 +543,14 @@ class SG_EXPORT Drawable : public Object
void glGetOcclusionQueryiv( GLuint id, GLenum pname, GLint *params ) const;
void glGetOcclusionQueryuiv( GLuint id, GLenum pname, GLuint *params ) const;
void glGetQueryiv(GLenum target, GLenum pname, GLint *params) const;
void glGenQueries(GLsizei n, GLuint *ids) const;
void glBeginQuery(GLenum target, GLuint id) const;
void glEndQuery(GLenum target) const;
GLboolean glIsQuery(GLuint id) const;
void glGetQueryObjectiv(GLuint id, GLenum pname, GLint *params) const;
void glGetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params) const;
protected:
typedef void (APIENTRY * FogCoordProc) (const GLfloat* coord);
@@ -559,6 +580,15 @@ class SG_EXPORT Drawable : public Object
typedef void (APIENTRY * GetOcclusionQueryivProc) ( GLuint id, GLenum pname, GLint *params );
typedef void (APIENTRY * GetOcclusionQueryuivProc) ( GLuint id, GLenum pname, GLuint *params );
typedef void (APIENTRY *GenQueriesProc) (GLsizei n, GLuint *ids);
typedef void (APIENTRY *DeleteQueriesProc) (GLsizei n, const GLuint *ids);
typedef GLboolean (APIENTRY *IsQueryProc) (GLuint id);
typedef void (APIENTRY *BeginQueryProc) (GLenum target, GLuint id);
typedef void (APIENTRY *EndQueryProc) (GLenum target);
typedef void (APIENTRY *GetQueryivProc) (GLenum target, GLenum pname, GLint *params);
typedef void (APIENTRY *GetQueryObjectivProc) (GLuint id, GLenum pname, GLint *params);
typedef void (APIENTRY *GetQueryObjectuivProc) (GLuint id, GLenum pname, GLuint *params);
~Extensions() {}
bool _isVertexProgramSupported;
@@ -566,6 +596,7 @@ class SG_EXPORT Drawable : public Object
bool _isFogCoordSupported;
bool _isMultiTexSupported;
bool _isOcclusionQuerySupported;
bool _isARBOcclusionQuerySupported;
FogCoordProc _glFogCoordfv;
@@ -598,6 +629,16 @@ class SG_EXPORT Drawable : public Object
EndOcclusionQueryProc _glEndOcclusionQuery;
GetOcclusionQueryivProc _glGetOcclusionQueryiv;
GetOcclusionQueryuivProc _glGetOcclusionQueryuiv;
GenQueriesProc _gl_gen_queries_arb;
DeleteQueriesProc _gl_delete_queries_arb;
IsQueryProc _gl_is_query_arb;
BeginQueryProc _gl_begin_query_arb;
EndQueryProc _gl_end_query_arb;
GetQueryivProc _gl_get_queryiv_arb;
GetQueryObjectivProc _gl_get_query_objectiv_arb;
GetQueryObjectuivProc _gl_get_query_objectuiv_arb;
};
/** Function to call to get the extension of a specified context.