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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 "brw_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                              struct brw_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 void
72 brw_draw_indirect_prims(struct gl_context *ctx,
73                         GLuint mode,
74                         struct gl_buffer_object *indirect_data,
75                         GLsizeiptr indirect_offset,
76                         unsigned draw_count,
77                         unsigned stride,
78                         struct gl_buffer_object *indirect_params,
79                         GLsizeiptr indirect_params_offset,
80                         const struct _mesa_index_buffer *ib);
81 #endif
82