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      1 /*
      2  * Copyright 2005 VMware, Inc.
      3  * All Rights Reserved.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a
      6  * copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sublicense, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the
     14  * next paragraph) shall be included in all copies or substantial portions
     15  * 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
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24  */
     25 
     26 #ifndef BRW_DRAW_H
     27 #define BRW_DRAW_H
     28 
     29 #include "main/mtypes.h"		/* for struct gl_context... */
     30 #include "intel_bufmgr.h"
     31 
     32 struct brw_context;
     33 
     34 uint32_t *
     35 brw_emit_vertex_buffer_state(struct brw_context *brw,
     36                              unsigned buffer_nr,
     37                              drm_intel_bo *bo,
     38                              unsigned start_offset,
     39                              unsigned end_offset,
     40                              unsigned stride,
     41                              unsigned step_rate,
     42                              uint32_t *__map);
     43 
     44 #define EMIT_VERTEX_BUFFER_STATE(...) __map = \
     45    brw_emit_vertex_buffer_state(__VA_ARGS__, __map)
     46 
     47 void brw_draw_prims(struct gl_context *ctx,
     48 		     const struct _mesa_prim *prims,
     49 		     GLuint nr_prims,
     50 		     const struct _mesa_index_buffer *ib,
     51 		     GLboolean index_bounds_valid,
     52 		     GLuint min_index,
     53 		     GLuint max_index,
     54 		     struct gl_transform_feedback_object *unused_tfb_object,
     55                      unsigned stream,
     56 		     struct gl_buffer_object *indirect );
     57 
     58 void brw_draw_init( struct brw_context *brw );
     59 void brw_draw_destroy( struct brw_context *brw );
     60 
     61 void brw_prepare_shader_draw_parameters(struct brw_context *);
     62 
     63 /* brw_primitive_restart.c */
     64 GLboolean
     65 brw_handle_primitive_restart(struct gl_context *ctx,
     66                              const struct _mesa_prim *prims,
     67                              GLuint nr_prims,
     68                              const struct _mesa_index_buffer *ib,
     69                              struct gl_buffer_object *indirect);
     70 
     71 #endif
     72