src/mesa/main/draw.h

   1 /*
   2  * mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * \brief Array type draw functions, the main workhorse of any OpenGL API
  27  * \author Keith Whitwell
  28  */
  29
  30
  31 #ifndef DRAW_H
  32 #define DRAW_H
  33
  34 #include <stdbool.h>
  35 #include "main/glheader.h"
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 struct gl_context;
  42
  43 struct _mesa_prim
  44 {
  45    GLubyte mode;    /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
  46
  47    /**
  48     * tnl: If true, line stipple emulation will reset the pattern walker.
  49     * vbo: If false and the primitive is a line loop, the first vertex is
  50     *      the beginning of the line loop and it won't be drawn.
  51     *      Instead, it will be moved to the end.
  52     */
  53    bool begin;
  54
  55    /**
  56     * tnl: If true and the primitive is a line loop, it will be closed.
  57     * vbo: Same as tnl.
  58     */
  59    bool end;
  60
  61    GLuint start;
  62    GLuint count;
  63    GLint basevertex;
  64    GLuint draw_id;
  65 };
  66
  67 /* Would like to call this a "vbo_index_buffer", but this would be
  68  * confusing as the indices are not neccessarily yet in a non-null
  69  * buffer object.
  70  */
  71 struct _mesa_index_buffer
  72 {
  73    GLuint count;
  74    uint8_t index_size_shift; /* logbase2(index_size) */
  75    struct gl_buffer_object *obj;
  76    const void *ptr;
  77 };
  78
  79
  80 void
  81 _mesa_initialize_exec_dispatch(const struct gl_context *ctx,
  82                                struct _glapi_table *exec);
  83
  84 void GLAPIENTRY
  85 _mesa_EvalMesh1(GLenum mode, GLint i1, GLint i2);
  86
  87 void GLAPIENTRY
  88 _mesa_EvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2);
  89
  90 void GLAPIENTRY
  91 _mesa_DrawElementsInstancedARB(GLenum mode, GLsizei count, GLenum type,
  92                                const GLvoid * indices, GLsizei numInstances);
  93
  94 void GLAPIENTRY
  95 _mesa_DrawArraysInstancedBaseInstance(GLenum mode, GLint first,
  96                                       GLsizei count, GLsizei numInstances,
  97                                       GLuint baseInstance);
  98
  99 void GLAPIENTRY
 100 _mesa_DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count,
 101                                       GLenum type, const GLvoid * indices,
 102                                       GLsizei numInstances,
 103                                       GLint basevertex);
 104
 105 void GLAPIENTRY
 106 _mesa_DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count,
 107                                         GLenum type,
 108                                         const GLvoid *indices,
 109                                         GLsizei numInstances,
 110                                         GLuint baseInstance);
 111
 112 void GLAPIENTRY
 113 _mesa_DrawTransformFeedbackStream(GLenum mode, GLuint name, GLuint stream);
 114
 115 void GLAPIENTRY
 116 _mesa_DrawTransformFeedbackInstanced(GLenum mode, GLuint name,
 117                                      GLsizei primcount);
 118
 119 void GLAPIENTRY
 120 _mesa_DrawTransformFeedbackStreamInstanced(GLenum mode, GLuint name,
 121                                            GLuint stream,
 122                                            GLsizei primcount);
 123
 124 void GLAPIENTRY
 125 _mesa_DrawArraysIndirect(GLenum mode, const GLvoid *indirect);
 126
 127 void GLAPIENTRY
 128 _mesa_DrawElementsIndirect(GLenum mode, GLenum type, const GLvoid *indirect);
 129
 130 void GLAPIENTRY
 131 _mesa_MultiDrawArraysIndirect(GLenum mode, const GLvoid *indirect,
 132                               GLsizei primcount, GLsizei stride);
 133
 134 void GLAPIENTRY
 135 _mesa_MultiDrawElementsIndirect(GLenum mode, GLenum type,
 136                                 const GLvoid *indirect,
 137                                 GLsizei primcount, GLsizei stride);
 138
 139 void GLAPIENTRY
 140 _mesa_MultiDrawArraysIndirectCountARB(GLenum mode, GLintptr indirect,
 141                                       GLintptr drawcount_offset,
 142                                       GLsizei maxdrawcount, GLsizei stride);
 143
 144 void GLAPIENTRY
 145 _mesa_MultiDrawElementsIndirectCountARB(GLenum mode, GLenum type,
 146                                         GLintptr indirect,
 147                                         GLintptr drawcount_offset,
 148                                         GLsizei maxdrawcount, GLsizei stride);
 149
 150 void GLAPIENTRY
 151 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 152
 153
 154 void GLAPIENTRY
 155 _mesa_DrawArraysInstancedARB(GLenum mode, GLint first, GLsizei count,
 156                              GLsizei primcount);
 157
 158 void GLAPIENTRY
 159 _mesa_DrawElementsInstancedBaseVertexBaseInstance(GLenum mode,
 160                                                   GLsizei count,
 161                                                   GLenum type,
 162                                                   const GLvoid *indices,
 163                                                   GLsizei numInstances,
 164                                                   GLint basevertex,
 165                                                   GLuint baseInstance);
 166
 167 void GLAPIENTRY
 168 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 169                    const GLvoid *indices);
 170
 171
 172 void GLAPIENTRY
 173 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 174                         GLenum type, const GLvoid *indices);
 175
 176
 177 void GLAPIENTRY
 178 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 179                              const GLvoid *indices, GLint basevertex);
 180
 181
 182 void GLAPIENTRY
 183 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 184                                   GLsizei count, GLenum type,
 185                                   const GLvoid *indices,
 186                                   GLint basevertex);
 187
 188
 189 void GLAPIENTRY
 190 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 191
 192
 193
 194 void GLAPIENTRY
 195 _mesa_MultiDrawArrays(GLenum mode, const GLint *first,
 196                       const GLsizei *count, GLsizei primcount);
 197
 198
 199 void GLAPIENTRY
 200 _mesa_MultiDrawElements(GLenum mode, const GLsizei *count, GLenum type,
 201                         const GLvoid *const *indices, GLsizei primcount);
 202
 203
 204 void GLAPIENTRY
 205 _mesa_MultiDrawElementsBaseVertex(GLenum mode,
 206                                   const GLsizei *count, GLenum type,
 207                                   const GLvoid * const * indices, GLsizei primcount,
 208                                   const GLint *basevertex);
 209
 210
 211 void GLAPIENTRY
 212 _mesa_MultiModeDrawArraysIBM(const GLenum * mode, const GLint * first,
 213                              const GLsizei * count,
 214                              GLsizei primcount, GLint modestride);
 215
 216
 217 void GLAPIENTRY
 218 _mesa_MultiModeDrawElementsIBM(const GLenum * mode, const GLsizei * count,
 219                                GLenum type, const GLvoid * const * indices,
 220                                GLsizei primcount, GLint modestride);
 221
 222
 223 #ifdef __cplusplus
 224 } // extern "C"
 225 #endif
 226
 227 #endif