vl_idct.h revision 12836fbcfad7f317b1f5aa5e46f9946894bf040c 
1/**************************************************************************
2 *
3 * Copyright 2010 Christian König
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
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.
25 *
26 **************************************************************************/
27
28#ifndef vl_idct_h
29#define vl_idct_h
30
31#include <pipe/p_state.h>
32
33struct vl_idct
34{
35   struct pipe_context *pipe;
36
37   unsigned max_blocks;
38
39   struct pipe_viewport_state viewport[2];
40   struct pipe_framebuffer_state fb_state[2];
41
42   struct pipe_resource *destination;
43
44   void *vertex_elems_state;
45
46   union
47   {
48      void *all[4];
49      void *stage[2][2];
50      struct {
51         void *matrix, *source;
52         void *transpose, *intermediate;
53      } individual;
54   } samplers;
55
56   union
57   {
58      struct pipe_sampler_view *all[4];
59      struct pipe_sampler_view *stage[2][2];
60      struct {
61         struct pipe_sampler_view *matrix, *source;
62         struct pipe_sampler_view *transpose, *intermediate;
63      } individual;
64   } sampler_views;
65
66   void *matrix_vs, *transpose_vs, *eb_vs;
67   void *matrix_fs, *transpose_fs, *eb_fs;
68
69   union
70   {
71      struct pipe_resource *all[4];
72      struct pipe_resource *stage[2][2];
73      struct {
74         struct pipe_resource *matrix, *source;
75         struct pipe_resource *transpose, *intermediate;
76      } individual;
77   } textures;
78
79   union
80   {
81      struct pipe_vertex_buffer all[2];
82      struct { struct pipe_vertex_buffer quad, pos; } individual;
83   } vertex_bufs;
84
85   unsigned num_blocks;
86   unsigned num_empty_blocks;
87
88   struct pipe_transfer *tex_transfer;
89   short *texels;
90
91   struct pipe_transfer *vec_transfer;
92   struct vertex2f *vectors;
93
94   struct {
95      struct pipe_surface *intermediate, *destination;
96   } surfaces;
97};
98
99struct pipe_resource *vl_idct_upload_matrix(struct pipe_context *pipe);
100
101bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, struct pipe_resource *dst, struct pipe_resource *matrix);
102
103void vl_idct_cleanup(struct vl_idct *idct);
104
105void vl_idct_add_block(struct vl_idct *idct, unsigned x, unsigned y, short *block);
106
107void vl_idct_flush(struct vl_idct *idct);
108
109#endif
110