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 228