1 /**************************************************************************
3 * Copyright 2004 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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 VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keithw@vmware.com>
37 #include "main/glheader.h"
39 struct _mesa_index_buffer
;
44 void st_init_draw_functions(struct dd_function_table
*functions
);
46 void st_destroy_draw( struct st_context
*st
);
48 struct draw_context
*st_get_draw_context(struct st_context
*st
);
51 st_feedback_draw_vbo(struct gl_context
*ctx
,
52 const struct _mesa_prim
*prims
,
54 const struct _mesa_index_buffer
*ib
,
55 GLboolean index_bounds_valid
,
58 struct gl_transform_feedback_object
*tfb_vertcount
,
60 struct gl_buffer_object
*indirect
);
63 * When drawing with VBOs, the addresses specified with
64 * glVertex/Color/TexCoordPointer() are really offsets into the VBO, not real
65 * addresses. At some point we need to convert those pointers to offsets.
66 * This function is basically a cast wrapper to avoid warnings when building
69 static inline unsigned
70 pointer_to_offset(const void *ptr
)
72 return (unsigned) (((GLsizeiptr
) ptr
) & 0xffffffffUL
);
77 st_draw_quad(struct st_context
*st
,
78 float x0
, float y0
, float x1
, float y1
, float z
,
79 float s0
, float t0
, float s1
, float t1
,
81 unsigned num_instances
);