i915g: Reduce state emission by using a index bias
[mesa.git] / src / gallium / drivers / r600 / r600_texture.h
1 /*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23 #ifndef R600_TEXTURE_H
24 #define R600_TEXTURE_H
25
26 #include <pipe/p_state.h>
27
28 struct r600_texture {
29 struct u_resource b;
30 unsigned long offset[PIPE_MAX_TEXTURE_LEVELS];
31 unsigned long pitch[PIPE_MAX_TEXTURE_LEVELS];
32 unsigned long stride[PIPE_MAX_TEXTURE_LEVELS];
33 unsigned long layer_size[PIPE_MAX_TEXTURE_LEVELS];
34 unsigned long stride_override;
35 unsigned long size;
36 struct pipe_resource *buffer;
37 };
38
39 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
40 const struct pipe_resource *templ);
41 unsigned long r600_texture_get_offset(struct r600_texture *rtex, unsigned level, unsigned zslice, unsigned face);
42 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
43 const struct pipe_resource *base,
44 struct winsys_handle *whandle);
45 void r600_init_screen_texture_functions(struct pipe_screen *screen);
46
47 /* This should be implemented by winsys. */
48 boolean r600_buffer_get_handle(struct radeon *rw,
49 struct pipe_resource *buf,
50 struct winsys_handle *whandle);
51
52
53 #endif