src/mesa/drivers/dri/i965/brw_draw.h

   1  /**************************************************************************
   2  *
   3  * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * 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
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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  26  **************************************************************************/
  27
  28 #ifndef BRW_DRAW_H
  29 #define BRW_DRAW_H
  30
  31 #include "mtypes.h"             /* for GLcontext... */
  32 #include "brw_attrib.h"
  33
  34 struct brw_context;
  35
  36 struct brw_draw_prim {
  37    GLuint mode:8;
  38    GLuint indexed:1;
  39    GLuint begin:1;
  40    GLuint end:1;
  41    GLuint weak:1;
  42    GLuint pad:20;
  43
  44    GLuint start;
  45    GLuint count;
  46 };
  47
  48 struct brw_draw_index_buffer {
  49    GLuint count;
  50    GLenum type;
  51    struct gl_buffer_object *obj;
  52    const void *ptr;
  53    GLuint rebase;
  54 };
  55
  56
  57 #define BRW_DRAW_SORTED           0x1
  58 #define BRW_DRAW_ALL_INTERLEAVED  0x2
  59 #define BRW_DRAW_NON_INTERLEAVED  0x4
  60 #define BRW_DRAW_LOCKED           0x8
  61
  62 GLboolean brw_draw_prims( GLcontext *ctx,
  63                           const struct gl_client_array *arrays[],
  64                           const struct brw_draw_prim *prims,
  65                           GLuint nr_prims,
  66                           const struct brw_draw_index_buffer *ib,
  67                           GLuint min_index,
  68                           GLuint max_index,
  69                           GLuint flags );
  70
  71 void brw_draw_init( struct brw_context *brw );
  72 void brw_draw_destroy( struct brw_context *brw );
  73
  74 /* brw_draw_current.c
  75  */
  76 void brw_init_current_values(GLcontext *ctx,
  77                              struct gl_client_array *arrays);
  78
  79
  80 /* brw_draw_upload.c
  81  */
  82 void brw_upload_indices( struct brw_context *brw,
  83                          const struct brw_draw_index_buffer *index_buffer);
  84
  85 GLboolean brw_upload_vertices( struct brw_context *brw,
  86                                GLuint min_index,
  87                                GLuint max_index );
  88
  89
  90 /* Helpers for save, exec.  Should probably have their own file:
  91  */
  92 struct brw_exec_context;
  93 struct brw_save_context;
  94
  95 struct brw_exec_save {
  96    struct brw_exec_context *exec;
  97    struct brw_save_context *save;
  98 };
  99
 100 /* Doesn't really belong here:
 101  */
 102 #define IMM_CONTEXT(ctx) ((struct brw_exec_save *)((ctx)->swtnl_im))
 103
 104 #endif