/* * 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 struct gl_buffer_object * _mesa_lookup_bufferobj_locked(struct gl_context *ctx, GLuint buffer); extern void _mesa_begin_bufferobj_lookups(struct gl_context *ctx); extern void _mesa_end_bufferobj_lookups(struct gl_context *ctx); extern struct gl_buffer_object * _mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx, const GLuint *buffers, GLuint index, const char *caller); 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); extern void _mesa_buffer_clear_subdata(struct gl_context *ctx, GLintptr offset, GLsizeiptr size, const GLvoid *clearValue, GLsizeiptr clearValueSize, 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_BindBuffersRange(GLenum target, GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizeiptr *sizes); void GLAPIENTRY _mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count, const GLuint *buffers); void GLAPIENTRY _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr length); void GLAPIENTRY _mesa_InvalidateBufferData(GLuint buffer); #endif