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/*
* Mesa 3-D graphics library
* Version: 7.6
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef BUFFEROBJ_H
#define BUFFEROBJ_H
#include "context.h"
/*
* Internal functions
*/
/** Is the given buffer object currently mapped? */
static INLINE GLboolean
_mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
{
return obj->Pointer != NULL;
}
/**
* Is the given buffer object a user-created buffer object?
* Mesa uses default buffer objects in several places. Default buffers
* always have Name==0. User created buffers have Name!=0.
*/
static INLINE GLboolean
_mesa_is_bufferobj(const struct gl_buffer_object *obj)
{
return obj->Name != 0;
}
extern void
_mesa_init_buffer_objects( GLcontext *ctx );
extern void
_mesa_update_default_objects_buffer_objects(GLcontext *ctx);
extern struct gl_buffer_object *
_mesa_lookup_bufferobj(GLcontext *ctx, GLuint buffer);
extern void
_mesa_initialize_buffer_object( struct gl_buffer_object *obj,
GLuint name, GLenum target );
extern void
_mesa_reference_buffer_object(GLcontext *ctx,
struct gl_buffer_object **ptr,
struct gl_buffer_object *bufObj);
extern GLboolean
_mesa_validate_pbo_access(GLuint dimensions,
const struct gl_pixelstore_attrib *pack,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *ptr);
extern const GLubyte *
_mesa_map_bitmap_pbo(GLcontext *ctx,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap);
extern void
_mesa_unmap_bitmap_pbo(GLcontext *ctx,
const struct gl_pixelstore_attrib *unpack);
extern const GLvoid *
_mesa_map_drawpix_pbo(GLcontext *ctx,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels);
extern void
_mesa_unmap_drawpix_pbo(GLcontext *ctx,
const struct gl_pixelstore_attrib *unpack);
extern void *
_mesa_map_readpix_pbo(GLcontext *ctx,
const struct gl_pixelstore_attrib *pack,
GLvoid *dest);
extern void
_mesa_unmap_readpix_pbo(GLcontext *ctx,
const struct gl_pixelstore_attrib *pack);
extern void
_mesa_init_buffer_object_functions(struct dd_function_table *driver);
/*
* API functions
*/
extern void GLAPIENTRY
_mesa_BindBufferARB(GLenum target, GLuint buffer);
extern void GLAPIENTRY
_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
extern void GLAPIENTRY
_mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
extern GLboolean GLAPIENTRY
_mesa_IsBufferARB(GLuint buffer);
extern void GLAPIENTRY
_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
extern void GLAPIENTRY
_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
extern void GLAPIENTRY
_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
extern void * GLAPIENTRY
_mesa_MapBufferARB(GLenum target, GLenum access);
extern GLboolean GLAPIENTRY
_mesa_UnmapBufferARB(GLenum target);
extern void GLAPIENTRY
_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
extern void GLAPIENTRY
_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
extern void GLAPIENTRY
_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
GLintptr readOffset, GLintptr writeOffset,
GLsizeiptr size);
extern void * GLAPIENTRY
_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
GLbitfield access);
extern void GLAPIENTRY
_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
#endif
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