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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  5.  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included
  15.  * in all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23.  * OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25.  
  26.  
  27.  
  28. #ifndef BUFFEROBJ_H
  29. #define BUFFEROBJ_H
  30.  
  31.  
  32. #include "mtypes.h"
  33.  
  34.  
  35. /*
  36.  * Internal functions
  37.  */
  38.  
  39.  
  40. /** Is the given buffer object currently mapped? */
  41. static inline GLboolean
  42. _mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
  43. {
  44.    return obj->Pointer != NULL;
  45. }
  46.  
  47. /**
  48.  * Is the given buffer object a user-created buffer object?
  49.  * Mesa uses default buffer objects in several places.  Default buffers
  50.  * always have Name==0.  User created buffers have Name!=0.
  51.  */
  52. static inline GLboolean
  53. _mesa_is_bufferobj(const struct gl_buffer_object *obj)
  54. {
  55.    return obj != NULL && obj->Name != 0;
  56. }
  57.  
  58.  
  59. extern void
  60. _mesa_init_buffer_objects( struct gl_context *ctx );
  61.  
  62. extern void
  63. _mesa_free_buffer_objects( struct gl_context *ctx );
  64.  
  65. extern void
  66. _mesa_update_default_objects_buffer_objects(struct gl_context *ctx);
  67.  
  68.  
  69. extern struct gl_buffer_object *
  70. _mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);
  71.  
  72. extern void
  73. _mesa_initialize_buffer_object( struct gl_context *ctx,
  74.                                 struct gl_buffer_object *obj,
  75.                                 GLuint name, GLenum target );
  76.  
  77. extern void
  78. _mesa_reference_buffer_object_(struct gl_context *ctx,
  79.                                struct gl_buffer_object **ptr,
  80.                                struct gl_buffer_object *bufObj);
  81.  
  82. static inline void
  83. _mesa_reference_buffer_object(struct gl_context *ctx,
  84.                               struct gl_buffer_object **ptr,
  85.                               struct gl_buffer_object *bufObj)
  86. {
  87.    if (*ptr != bufObj)
  88.       _mesa_reference_buffer_object_(ctx, ptr, bufObj);
  89. }
  90.  
  91. extern GLuint
  92. _mesa_total_buffer_object_memory(struct gl_context *ctx);
  93.  
  94. extern void
  95. _mesa_init_buffer_object_functions(struct dd_function_table *driver);
  96.  
  97.  
  98. /*
  99.  * API functions
  100.  */
  101.  
  102. void GLAPIENTRY
  103. _mesa_BindBuffer(GLenum target, GLuint buffer);
  104. void GLAPIENTRY
  105. _mesa_DeleteBuffers(GLsizei n, const GLuint * buffer);
  106. void GLAPIENTRY
  107. _mesa_GenBuffers(GLsizei n, GLuint * buffer);
  108. GLboolean GLAPIENTRY
  109. _mesa_IsBuffer(GLuint buffer);
  110. void GLAPIENTRY
  111. _mesa_BufferData(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
  112. void GLAPIENTRY
  113. _mesa_BufferSubData(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
  114. void GLAPIENTRY
  115. _mesa_GetBufferSubData(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
  116. void * GLAPIENTRY
  117. _mesa_MapBuffer(GLenum target, GLenum access);
  118. GLboolean GLAPIENTRY
  119. _mesa_UnmapBuffer(GLenum target);
  120. void GLAPIENTRY
  121. _mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params);
  122. void GLAPIENTRY
  123. _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);
  124. void GLAPIENTRY
  125. _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params);
  126. void GLAPIENTRY
  127. _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
  128.                         GLintptr readOffset, GLintptr writeOffset,
  129.                         GLsizeiptr size);
  130. void * GLAPIENTRY
  131. _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
  132.                      GLbitfield access);
  133. void GLAPIENTRY
  134. _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
  135. GLenum GLAPIENTRY
  136. _mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
  137. GLenum GLAPIENTRY
  138. _mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
  139. void GLAPIENTRY
  140. _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
  141.                                 GLint* params);
  142. void GLAPIENTRY
  143. _mesa_BindBufferRange(GLenum target, GLuint index,
  144.                       GLuint buffer, GLintptr offset, GLsizeiptr size);
  145. void GLAPIENTRY
  146. _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
  147. void GLAPIENTRY
  148. _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
  149.                               GLsizeiptr length);
  150. void GLAPIENTRY
  151. _mesa_InvalidateBufferData(GLuint buffer);
  152.  
  153.  
  154. #endif
  155.