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