/* * 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 #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; } /** * Check whether the given buffer object is illegally mapped prior to * drawing from (or reading back to) the buffer. * Note that it's legal for a buffer to be mapped at draw/readback time * if it was mapped persistently (See GL_ARB_buffer_storage spec). * \return true if the buffer is illegally mapped, false otherwise */ static inline bool _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, 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 struct gl_buffer_object * _mesa_lookup_bufferobj_err(struct gl_context *ctx, GLuint buffer, const char *caller); 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); extern void _mesa_delete_buffer_object(struct gl_context *ctx, struct gl_buffer_object *bufObj); 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_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj, GLenum target, GLsizeiptr size, const GLvoid *data, GLbitfield flags, const char *func); extern void _mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage, const char *func); extern void _mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, GLintptr offset, GLsizeiptr size, const GLvoid *data, const char *func); extern void _mesa_buffer_unmap_all_mappings(struct gl_context *ctx, struct gl_buffer_object *bufObj); extern void _mesa_copy_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *src, struct gl_buffer_object *dst, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size, const char *func); extern void * _mesa_map_buffer_range(struct gl_context *ctx, struct gl_buffer_object *bufObj, GLintptr offset, GLsizeiptr length, GLbitfield access, const char *func); extern void _mesa_flush_mapped_buffer_range(struct gl_context *ctx, struct gl_buffer_object *bufObj, GLintptr offset, GLsizeiptr length, const char *func); extern void _mesa_ClearBufferSubData_sw(struct gl_context *ctx, GLintptr offset, GLsizeiptr size, const GLvoid *clearValue, GLsizeiptr clearValueSize, struct gl_buffer_object *bufObj); extern void _mesa_clear_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const GLvoid *data, const char *func, bool subdata); extern GLboolean _mesa_unmap_buffer(struct gl_context *ctx, struct gl_buffer_object *bufObj, const char *func); /* * 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 *buffers); void GLAPIENTRY _mesa_CreateBuffers(GLsizei n, GLuint *buffers); GLboolean GLAPIENTRY _mesa_IsBuffer(GLuint buffer); void GLAPIENTRY _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data, GLbitfield flags); void GLAPIENTRY _mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data, GLbitfield flags); void GLAPIENTRY _mesa_BufferData(GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage); void GLAPIENTRY _mesa_NamedBufferData(GLuint buffer, GLsizeiptr size, const GLvoid *data, GLenum usage); void GLAPIENTRY _mesa_BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data); void GLAPIENTRY _mesa_NamedBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr size, const GLvoid *data); void GLAPIENTRY _mesa_GetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data); void GLAPIENTRY _mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr size, GLvoid *data); void GLAPIENTRY _mesa_ClearBufferData(GLenum target, GLenum internalformat, GLenum format, GLenum type, const GLvoid *data); void GLAPIENTRY _mesa_ClearNamedBufferData(GLuint buffer, 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_ClearNamedBufferSubData(GLuint buffer, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const GLvoid *data); GLboolean GLAPIENTRY _mesa_UnmapBuffer(GLenum target); GLboolean GLAPIENTRY _mesa_UnmapNamedBuffer(GLuint buffer); void GLAPIENTRY _mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params); void GLAPIENTRY _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params); void GLAPIENTRY _mesa_GetNamedBufferParameteriv(GLuint buffer, GLenum pname, GLint *params); void GLAPIENTRY _mesa_GetNamedBufferParameteri64v(GLuint buffer, GLenum pname, GLint64 *params); void GLAPIENTRY _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params); void GLAPIENTRY _mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params); void GLAPIENTRY _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); void GLAPIENTRY _mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); void * GLAPIENTRY _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access); void * GLAPIENTRY _mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length, GLbitfield access); void * GLAPIENTRY _mesa_MapBuffer(GLenum target, GLenum access); void * GLAPIENTRY _mesa_MapNamedBuffer(GLuint buffer, GLenum access); void GLAPIENTRY _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length); void GLAPIENTRY _mesa_FlushMappedNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length); 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); void GLAPIENTRY _mesa_BufferPageCommitmentARB(GLenum target, GLintptr offset, GLsizeiptr size, GLboolean commit); void GLAPIENTRY _mesa_NamedBufferPageCommitmentARB(GLuint buffer, GLintptr offset, GLsizeiptr size, GLboolean commit); #endif