src/mesa/main/varray.h

   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 #ifndef VARRAY_H
  28 #define VARRAY_H
  29
  30
  31 #include "glheader.h"
  32 #include "bufferobj.h"
  33
  34 struct gl_client_array;
  35 struct gl_context;
  36
  37 /**
  38  * Returns a pointer to the vertex attribute data in a client array,
  39  * or the offset into the vertex buffer for an array that resides in
  40  * a vertex buffer.
  41  */
  42 static inline const GLubyte *
  43 _mesa_vertex_attrib_address(const struct gl_vertex_attrib_array *array,
  44                             const struct gl_vertex_buffer_binding *binding)
  45 {
  46    if (_mesa_is_bufferobj(binding->BufferObj))
  47       return (const GLubyte *) (binding->Offset + array->RelativeOffset);
  48    else
  49       return array->Ptr;
  50 }
  51
  52 /**
  53  * Sets the fields in a gl_client_array to values derived from a
  54  * gl_vertex_attrib_array and a gl_vertex_buffer_binding.
  55  */
  56 static inline void
  57 _mesa_update_client_array(struct gl_context *ctx,
  58                           struct gl_client_array *dst,
  59                           const struct gl_vertex_attrib_array *src,
  60                           const struct gl_vertex_buffer_binding *binding)
  61 {
  62    dst->Size = src->Size;
  63    dst->Type = src->Type;
  64    dst->Format = src->Format;
  65    dst->Stride = src->Stride;
  66    dst->StrideB = binding->Stride;
  67    dst->Ptr = _mesa_vertex_attrib_address(src, binding);
  68    dst->Enabled = src->Enabled;
  69    dst->Normalized = src->Normalized;
  70    dst->Integer = src->Integer;
  71    dst->InstanceDivisor = binding->InstanceDivisor;
  72    dst->_ElementSize = src->_ElementSize;
  73    _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj);
  74 }
  75
  76 static inline bool
  77 _mesa_attr_zero_aliases_vertex(struct gl_context *ctx)
  78 {
  79    const bool is_forward_compatible_context =
  80       ctx->Const.ContextFlags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
  81
  82    /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
  83     * 2.0.  Note that we cannot just check for API_OPENGL_COMPAT here because
  84     * that will erroneously allow this usage in a 3.0 forward-compatible
  85     * context too.
  86     */
  87    return (ctx->API == API_OPENGLES
  88            || (ctx->API == API_OPENGL_COMPAT
  89                && !is_forward_compatible_context));
  90 }
  91
  92 extern void GLAPIENTRY
  93 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
  94                     const GLvoid *ptr);
  95
  96
  97 extern void GLAPIENTRY
  98 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  99
 100
 101 extern void GLAPIENTRY
 102 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 103
 104
 105 extern void GLAPIENTRY
 106 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 107
 108
 109 extern void GLAPIENTRY
 110 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 111                       const GLvoid *ptr);
 112
 113
 114 extern void GLAPIENTRY
 115 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 116
 117
 118 extern void GLAPIENTRY
 119 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 120                        GLsizei count, const GLvoid *ptr);
 121
 122
 123 extern void GLAPIENTRY
 124 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 125                        const GLvoid *ptr);
 126
 127
 128 extern void GLAPIENTRY
 129 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 130                       const GLvoid *ptr);
 131
 132
 133 extern void GLAPIENTRY
 134 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 135                       const GLvoid *ptr);
 136
 137
 138 extern void GLAPIENTRY
 139 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 140                          GLsizei count, const GLvoid *ptr);
 141
 142
 143 extern void GLAPIENTRY
 144 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 145
 146
 147 extern void GLAPIENTRY
 148 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 149
 150
 151 extern void GLAPIENTRY
 152 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 153                                GLsizei stride, const GLvoid *ptr);
 154
 155
 156 extern void GLAPIENTRY
 157 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 158
 159
 160 extern void GLAPIENTRY
 161 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 162                              GLboolean normalized, GLsizei stride,
 163                              const GLvoid *pointer);
 164
 165 void GLAPIENTRY
 166 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 167                            GLsizei stride, const GLvoid *ptr);
 168
 169 extern void GLAPIENTRY
 170 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 171                            GLsizei stride, const GLvoid *pointer);
 172
 173 extern void GLAPIENTRY
 174 _mesa_EnableVertexAttribArray(GLuint index);
 175
 176
 177 extern void GLAPIENTRY
 178 _mesa_DisableVertexAttribArray(GLuint index);
 179
 180
 181 extern void GLAPIENTRY
 182 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 183
 184 extern void GLAPIENTRY
 185 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 186
 187 extern void GLAPIENTRY
 188 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 189
 190 extern void GLAPIENTRY
 191 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 192
 193
 194 extern void GLAPIENTRY
 195 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 196
 197
 198 extern void GLAPIENTRY
 199 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 200
 201
 202 extern void GLAPIENTRY
 203 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 204
 205
 206 extern void GLAPIENTRY
 207 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 208
 209
 210 extern void GLAPIENTRY
 211 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 212                           const GLsizei *count, GLsizei primcount );
 213
 214 extern void GLAPIENTRY
 215 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 216                             const GLvoid **indices, GLsizei primcount );
 217
 218 extern void GLAPIENTRY
 219 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 220                                    const GLsizei *count, GLenum type,
 221                                    const GLvoid **indices, GLsizei primcount,
 222                                    const GLint *basevertex);
 223
 224 extern void GLAPIENTRY
 225 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 226                               const GLsizei * count,
 227                               GLsizei primcount, GLint modestride );
 228
 229
 230 extern void GLAPIENTRY
 231 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 232                                 GLenum type, const GLvoid * const * indices,
 233                                 GLsizei primcount, GLint modestride );
 234
 235 extern void GLAPIENTRY
 236 _mesa_LockArraysEXT(GLint first, GLsizei count);
 237
 238 extern void GLAPIENTRY
 239 _mesa_UnlockArraysEXT( void );
 240
 241
 242 extern void GLAPIENTRY
 243 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 244
 245 extern void GLAPIENTRY
 246 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 247                           GLsizei primcount);
 248
 249 extern void GLAPIENTRY
 250 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 251                    const GLvoid *indices);
 252
 253 extern void GLAPIENTRY
 254 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 255                         GLenum type, const GLvoid *indices);
 256
 257 extern void GLAPIENTRY
 258 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 259                              const GLvoid *indices, GLint basevertex);
 260
 261 extern void GLAPIENTRY
 262 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 263                                   GLsizei count, GLenum type,
 264                                   const GLvoid *indices,
 265                                   GLint basevertex);
 266
 267 extern void GLAPIENTRY
 268 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 269
 270 extern void GLAPIENTRY
 271 _mesa_PrimitiveRestartIndex(GLuint index);
 272
 273
 274 extern void GLAPIENTRY
 275 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 276
 277 extern unsigned
 278 _mesa_primitive_restart_index(const struct gl_context *ctx, GLenum ib_type);
 279
 280 extern void GLAPIENTRY
 281 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 282                        GLsizei stride);
 283
 284 extern void GLAPIENTRY
 285 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 286                         const GLintptr *offsets, const GLsizei *strides);
 287
 288 extern void GLAPIENTRY
 289 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 290                          GLboolean normalized, GLuint relativeOffset);
 291
 292 extern void GLAPIENTRY
 293 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 294                           GLuint relativeOffset);
 295
 296 extern void GLAPIENTRY
 297 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 298                           GLuint relativeOffset);
 299
 300 extern void GLAPIENTRY
 301 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 302
 303 extern void GLAPIENTRY
 304 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 305
 306
 307 extern void
 308 _mesa_copy_client_array(struct gl_context *ctx,
 309                         struct gl_client_array *dst,
 310                         struct gl_client_array *src);
 311
 312 extern void
 313 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 314                                struct gl_vertex_attrib_array *dst,
 315                                const struct gl_vertex_attrib_array *src);
 316
 317 extern void
 318 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 319                                  struct gl_vertex_buffer_binding *dst,
 320                                  const struct gl_vertex_buffer_binding *src);
 321
 322 extern void
 323 _mesa_print_arrays(struct gl_context *ctx);
 324
 325 extern void
 326 _mesa_init_varray( struct gl_context * ctx );
 327
 328 extern void
 329 _mesa_free_varray_data(struct gl_context *ctx);
 330
 331 #endif