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/*
* Mesa 3-D graphics library
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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 <stdbool.h>
#include "mtypes.h"
/*
* Internal functions
*/
/** Is the given buffer object currently mapped by the GL user? */
static inline GLboolean
_mesa_bufferobj_mapped(const struct gl_buffer_object *obj,
gl_map_buffer_index index)
{
return obj->Mappings[index].Pointer != NULL;
}
/** Can we not use this buffer while mapped? */
static inline GLboolean
_mesa_check_disallowed_mapping(const struct gl_buffer_object *obj)
{
return _mesa_bufferobj_mapped(obj, MAP_USER) &&
!(obj->Mappings[MAP_USER].AccessFlags &
GL_MAP_PERSISTENT_BIT);
}
/**
* 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 != NULL && obj->Name != 0;
}
extern void
_mesa_init_buffer_objects(struct gl_context *ctx);
extern void
_mesa_free_buffer_objects(struct gl_context *ctx);
extern bool
_mesa_handle_bind_buffer_gen(struct gl_context *ctx,
GLenum target,
GLuint buffer,
struct gl_buffer_object **buf_handle,
const char *caller);
extern void
_mesa_update_default_objects_buffer_objects(struct gl_context *ctx);
extern struct gl_buffer_object *
_mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);
extern void
_mesa_initialize_buffer_object(struct gl_context *ctx,
struct gl_buffer_object *obj,
GLuint name, GLenum target);
extern void
_mesa_reference_buffer_object_(struct gl_context *ctx,
struct gl_buffer_object **ptr,
struct gl_buffer_object *bufObj);
static inline void
_mesa_reference_buffer_object(struct gl_context *ctx,
struct gl_buffer_object **ptr,
struct gl_buffer_object *bufObj)
{
if (*ptr != bufObj)
_mesa_reference_buffer_object_(ctx, ptr, bufObj);
}
extern GLuint
_mesa_total_buffer_object_memory(struct gl_context *ctx);
extern void
_mesa_init_buffer_object_functions(struct dd_function_table *driver);
extern void
_mesa_buffer_unmap_all_mappings(struct gl_context *ctx,
struct gl_buffer_object *bufObj);
/*
* API functions
*/
void GLAPIENTRY
_mesa_BindBuffer(GLenum target, GLuint buffer);
void GLAPIENTRY
_mesa_DeleteBuffers(GLsizei n, const GLuint * buffer);
void GLAPIENTRY
_mesa_GenBuffers(GLsizei n, GLuint * buffer);
GLboolean GLAPIENTRY
_mesa_IsBuffer(GLuint buffer);
void GLAPIENTRY
_mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
GLbitfield flags);
void GLAPIENTRY
_mesa_BufferData(GLenum target, GLsizeiptrARB size,
const GLvoid * data, GLenum usage);
void GLAPIENTRY
_mesa_BufferSubData(GLenum target, GLintptrARB offset,
GLsizeiptrARB size, const GLvoid * data);
void GLAPIENTRY
_mesa_GetBufferSubData(GLenum target, GLintptrARB offset,
GLsizeiptrARB size, void * data);
void GLAPIENTRY
_mesa_ClearBufferData(GLenum target, GLenum internalformat,
GLenum format, GLenum type,
const GLvoid * data);
void GLAPIENTRY
_mesa_ClearBufferSubData(GLenum target, GLenum internalformat,
GLintptr offset, GLsizeiptr size,
GLenum format, GLenum type,
const GLvoid * data);
void * GLAPIENTRY
_mesa_MapBuffer(GLenum target, GLenum access);
GLboolean GLAPIENTRY
_mesa_UnmapBuffer(GLenum target);
void GLAPIENTRY
_mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params);
void GLAPIENTRY
_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);
void GLAPIENTRY
_mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params);
void GLAPIENTRY
_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
GLintptr readOffset, GLintptr writeOffset,
GLsizeiptr size);
void * GLAPIENTRY
_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
GLbitfield access);
void GLAPIENTRY
_mesa_FlushMappedBufferRange(GLenum target,
GLintptr offset, GLsizeiptr length);
GLenum GLAPIENTRY
_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
GLenum GLAPIENTRY
_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
void GLAPIENTRY
_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name,
GLenum pname, GLint* params);
void GLAPIENTRY
_mesa_BindBufferRange(GLenum target, GLuint index,
GLuint buffer, GLintptr offset, GLsizeiptr size);
void GLAPIENTRY
_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
void GLAPIENTRY
_mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
GLsizeiptr length);
void GLAPIENTRY
_mesa_InvalidateBufferData(GLuint buffer);
#endif
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