vl_idct.c revision 0b749d6dcb537472771d6fe6e454aafc916ab3fe
1508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König/**************************************************************************
2508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König *
3508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * Copyright 2010 Christian König
4508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * All Rights Reserved.
5508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König *
6508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * Permission is hereby granted, free of charge, to any person obtaining a
7508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * copy of this software and associated documentation files (the
8508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * "Software"), to deal in the Software without restriction, including
9508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * without limitation the rights to use, copy, modify, merge, publish,
10508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * distribute, sub license, and/or sell copies of the Software, and to
11508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * permit persons to whom the Software is furnished to do so, subject to
12508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * the following conditions:
13508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König *
14508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * The above copyright notice and this permission notice (including the
15508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * next paragraph) shall be included in all copies or substantial portions
16508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * of the Software.
17508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König *
18508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König *
26508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König **************************************************************************/
27508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
28508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include "vl_idct.h"
294abe7382882a451a7750ccc451b8568768d122cbChristian König#include "vl_vertex_buffers.h"
30e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König#include "util/u_draw.h"
31508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <assert.h>
32508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <pipe/p_context.h>
33508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <pipe/p_screen.h>
34508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <util/u_inlines.h>
35508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <util/u_sampler.h>
36508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <util/u_format.h>
37508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <tgsi/tgsi_ureg.h>
38508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include "vl_types.h"
39508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
40508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#define BLOCK_WIDTH 8
41508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#define BLOCK_HEIGHT 8
42ac1fd50163119a887487d748fab507b23e215c2bChristian König
4303c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König#define SCALE_FACTOR_16_TO_9 (32768.0f / 256.0f)
44508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
45ed49905944243863913bc2598f734ca038c85b94Christian König#define STAGE1_SCALE 4.0f
46ed49905944243863913bc2598f734ca038c85b94Christian König#define STAGE2_SCALE (SCALE_FACTOR_16_TO_9 / STAGE1_SCALE)
47ed49905944243863913bc2598f734ca038c85b94Christian König
48a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König#define NR_RENDER_TARGETS 1
49a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König
50508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königenum VS_INPUT
51508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
52508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_I_RECT,
53508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_I_VPOS,
54508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
55508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   NUM_VS_INPUTS
56508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
57508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
58508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königenum VS_OUTPUT
59508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
60508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_VPOS,
61508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_BLOCK,
62508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_TEX,
637408a6ab89e0bc87209b50334604fae93277fdc6Christian König   VS_O_START
64508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
65508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
66e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic const float const_matrix[8][8] = {
67508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.3535530f,  0.3535530f,  0.3535530f,  0.3535530f,  0.3535530f,  0.3535530f,  0.353553f,  0.3535530f },
68508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.4903930f,  0.4157350f,  0.2777850f,  0.0975451f, -0.0975452f, -0.2777850f, -0.415735f, -0.4903930f },
69508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.4619400f,  0.1913420f, -0.1913420f, -0.4619400f, -0.4619400f, -0.1913420f,  0.191342f,  0.4619400f },
70508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.4157350f, -0.0975452f, -0.4903930f, -0.2777850f,  0.2777850f,  0.4903930f,  0.097545f, -0.4157350f },
71508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.3535530f, -0.3535530f, -0.3535530f,  0.3535540f,  0.3535530f, -0.3535540f, -0.353553f,  0.3535530f },
72508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.2777850f, -0.4903930f,  0.0975452f,  0.4157350f, -0.4157350f, -0.0975451f,  0.490393f, -0.2777850f },
73508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.1913420f, -0.4619400f,  0.4619400f, -0.1913420f, -0.1913410f,  0.4619400f, -0.461940f,  0.1913420f },
74508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.0975451f, -0.2777850f,  0.4157350f, -0.4903930f,  0.4903930f, -0.4157350f,  0.277786f, -0.0975458f }
75508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
76508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
77508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void *
788e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian Königcreate_vert_shader(struct vl_idct *idct)
79508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
80508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_program *shader;
817408a6ab89e0bc87209b50334604fae93277fdc6Christian König   struct ureg_src scale;
82508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src vrect, vpos;
837408a6ab89e0bc87209b50334604fae93277fdc6Christian König   struct ureg_dst t_vpos;
847408a6ab89e0bc87209b50334604fae93277fdc6Christian König   struct ureg_dst o_vpos, o_block, o_tex, o_start;
85508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
86508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   shader = ureg_create(TGSI_PROCESSOR_VERTEX);
87508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if (!shader)
88508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return NULL;
89508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
90508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   t_vpos = ureg_DECL_temporary(shader);
91508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
92508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
93508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
94508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
95508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
968e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   o_block = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_BLOCK);
978e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   o_tex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX);
988e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   o_start = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_START);
99508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
100508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   /*
10112836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König    * scale = (BLOCK_WIDTH, BLOCK_HEIGHT) / (dst.width, dst.height)
10212836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König    *
103508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * t_vpos = vpos + vrect
104508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_vpos.xy = t_vpos * scale
105508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_vpos.zw = vpos
106508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    *
107508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_block = vrect
108508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_tex = t_pos
109508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_start = vpos * scale
110508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    *
111508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    */
11212836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   scale = ureg_imm2f(shader,
11322b4acb2069a368e986805d3b43395172ebf9146Christian König      (float)BLOCK_WIDTH / idct->buffer_width,
11422b4acb2069a368e986805d3b43395172ebf9146Christian König      (float)BLOCK_HEIGHT / idct->buffer_height);
11512836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
116508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_ADD(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), vpos, vrect);
1177408a6ab89e0bc87209b50334604fae93277fdc6Christian König   ureg_MUL(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos), scale);
118508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
119508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), vpos);
120508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
1218e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_MOV(shader, ureg_writemask(o_block, TGSI_WRITEMASK_XY), vrect);
1228e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_MOV(shader, ureg_writemask(o_tex, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
1238e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_MUL(shader, ureg_writemask(o_start, TGSI_WRITEMASK_XY), vpos, scale);
124508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
125508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_release_temporary(shader, t_vpos);
126508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
127508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_END(shader);
128508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
129508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
130508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
131508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
132508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
133cfe489b89723117e56674c2be7761c201f8d78ffChristian Königfetch_four(struct ureg_program *shader, struct ureg_dst m[2],
134cfe489b89723117e56674c2be7761c201f8d78ffChristian König           struct ureg_src tc, struct ureg_src sampler,
13574c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König           struct ureg_src start, struct ureg_src block,
13674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König           bool right_side, bool transposed, float size)
137cfe489b89723117e56674c2be7761c201f8d78ffChristian König{
138cfe489b89723117e56674c2be7761c201f8d78ffChristian König   struct ureg_dst t_tc;
13974c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y;
14074c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X;
141cfe489b89723117e56674c2be7761c201f8d78ffChristian König
142cfe489b89723117e56674c2be7761c201f8d78ffChristian König   t_tc = ureg_DECL_temporary(shader);
143cfe489b89723117e56674c2be7761c201f8d78ffChristian König   m[0] = ureg_DECL_temporary(shader);
144cfe489b89723117e56674c2be7761c201f8d78ffChristian König   m[1] = ureg_DECL_temporary(shader);
145cfe489b89723117e56674c2be7761c201f8d78ffChristian König
146508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   /*
147cfe489b89723117e56674c2be7761c201f8d78ffChristian König    * t_tc.x = right_side ? start.x : tc.x
148cfe489b89723117e56674c2be7761c201f8d78ffChristian König    * t_tc.y = right_side ? tc.y : start.y
149cfe489b89723117e56674c2be7761c201f8d78ffChristian König    * m[0..1] = tex(t_tc++, sampler)
150508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    */
15174c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   if(!right_side) {
15274c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_MOV(shader, ureg_writemask(t_tc, wm_start), ureg_scalar(start, TGSI_SWIZZLE_X));
15374c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_MOV(shader, ureg_writemask(t_tc, wm_tc), ureg_scalar(tc, TGSI_SWIZZLE_Y));
154ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   } else {
15574c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_MOV(shader, ureg_writemask(t_tc, wm_start), ureg_scalar(start, TGSI_SWIZZLE_Y));
15674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_MOV(shader, ureg_writemask(t_tc, wm_tc), ureg_scalar(tc, TGSI_SWIZZLE_X));
157ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   }
158508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
15974c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König#if NR_RENDER_TARGETS == 8
16074c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   ureg_MOV(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_Z), ureg_scalar(block, TGSI_SWIZZLE_X));
16174c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König#else
16274c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   ureg_MOV(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_Z), ureg_imm1f(shader, 0.0f));
16374c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König#endif
16474c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König
16574c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   ureg_TEX(shader, m[0], TGSI_TEXTURE_3D, ureg_src(t_tc), sampler);
16674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   ureg_ADD(shader, ureg_writemask(t_tc, wm_start), ureg_src(t_tc), ureg_imm1f(shader, 1.0f / size));
16774c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   ureg_TEX(shader, m[1], TGSI_TEXTURE_3D, ureg_src(t_tc), sampler);
168508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
169cfe489b89723117e56674c2be7761c201f8d78ffChristian König   ureg_release_temporary(shader, t_tc);
170cfe489b89723117e56674c2be7761c201f8d78ffChristian König}
171508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
17212836fbcfad7f317b1f5aa5e46f9946894bf040cChristian Königstatic void
17312836fbcfad7f317b1f5aa5e46f9946894bf040cChristian Königmatrix_mul(struct ureg_program *shader, struct ureg_dst dst, struct ureg_dst l[2], struct ureg_dst r[2])
174cfe489b89723117e56674c2be7761c201f8d78ffChristian König{
17512836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   struct ureg_dst tmp[2];
176cfe489b89723117e56674c2be7761c201f8d78ffChristian König   unsigned i;
177cfe489b89723117e56674c2be7761c201f8d78ffChristian König
178cfe489b89723117e56674c2be7761c201f8d78ffChristian König   for(i = 0; i < 2; ++i) {
179cfe489b89723117e56674c2be7761c201f8d78ffChristian König      tmp[i] = ureg_DECL_temporary(shader);
180508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
181508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
182cfe489b89723117e56674c2be7761c201f8d78ffChristian König   /*
183cfe489b89723117e56674c2be7761c201f8d78ffChristian König    * tmp[0..1] = dot4(m[0][0..1], m[1][0..1])
184cfe489b89723117e56674c2be7761c201f8d78ffChristian König    * dst = tmp[0] + tmp[1]
185cfe489b89723117e56674c2be7761c201f8d78ffChristian König    */
18612836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   ureg_DP4(shader, ureg_writemask(tmp[0], TGSI_WRITEMASK_X), ureg_src(l[0]), ureg_src(r[0]));
18712836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   ureg_DP4(shader, ureg_writemask(tmp[1], TGSI_WRITEMASK_X), ureg_src(l[1]), ureg_src(r[1]));
18874c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   ureg_ADD(shader, dst,
18974c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_scalar(ureg_src(tmp[0]), TGSI_SWIZZLE_X),
19074c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_scalar(ureg_src(tmp[1]), TGSI_SWIZZLE_X));
191508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
192508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for(i = 0; i < 2; ++i) {
193508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      ureg_release_temporary(shader, tmp[i]);
194508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
195508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
196508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
197508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void *
198508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcreate_transpose_frag_shader(struct vl_idct *idct)
199508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
200508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_program *shader;
201cfe489b89723117e56674c2be7761c201f8d78ffChristian König
202e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   struct ureg_src block, tex, sampler[2];
203cfe489b89723117e56674c2be7761c201f8d78ffChristian König   struct ureg_src start[2];
204cfe489b89723117e56674c2be7761c201f8d78ffChristian König
2058e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   struct ureg_dst l[2], r[2];
206cfe489b89723117e56674c2be7761c201f8d78ffChristian König   struct ureg_dst tmp, fragment;
207508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
208508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
209508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if (!shader)
210508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return NULL;
211508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
212e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   block = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_BLOCK, TGSI_INTERPOLATE_LINEAR);
213e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   tex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX, TGSI_INTERPOLATE_CONSTANT);
214508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
215508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   sampler[0] = ureg_DECL_sampler(shader, 0);
2162c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König   sampler[1] = ureg_DECL_sampler(shader, 1);
217508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
218cfe489b89723117e56674c2be7761c201f8d78ffChristian König   start[0] = ureg_imm1f(shader, 0.0f);
219cfe489b89723117e56674c2be7761c201f8d78ffChristian König   start[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_START, TGSI_INTERPOLATE_CONSTANT);
220cfe489b89723117e56674c2be7761c201f8d78ffChristian König
2210b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   fetch_four(shader, l, block, sampler[0], start[0], block, false, false, BLOCK_WIDTH / 4);
2220b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   fetch_four(shader, r, tex, sampler[1], start[1], block, true, false, idct->buffer_height / 4);
223c9e10c666adc64f6c5dfb04422560508f115aa54Christian König
224508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
225508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
22612836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   tmp = ureg_DECL_temporary(shader);
2278e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   matrix_mul(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), l, r);
22813e28cff7655adec0f89aed9c5ee74f8481133abChristian König   ureg_MUL(shader, fragment, ureg_src(tmp), ureg_imm1f(shader, STAGE2_SCALE));
229cfe489b89723117e56674c2be7761c201f8d78ffChristian König
230cfe489b89723117e56674c2be7761c201f8d78ffChristian König   ureg_release_temporary(shader, tmp);
2318e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_release_temporary(shader, l[0]);
2328e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_release_temporary(shader, l[1]);
2338e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_release_temporary(shader, r[0]);
2348e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   ureg_release_temporary(shader, r[1]);
23503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
236508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_END(shader);
237508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
238508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
239508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
240508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
241508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void *
242508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcreate_matrix_frag_shader(struct vl_idct *idct)
243508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
244508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_program *shader;
245cfe489b89723117e56674c2be7761c201f8d78ffChristian König
24674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   struct ureg_src tex, block, sampler[2];
247cfe489b89723117e56674c2be7761c201f8d78ffChristian König   struct ureg_src start[2];
248cfe489b89723117e56674c2be7761c201f8d78ffChristian König
24974c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   struct ureg_dst l[4][2], r[2];
250a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König   struct ureg_dst t_tc, tmp, fragment[NR_RENDER_TARGETS];
25112836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
25274c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   unsigned i, j;
253508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
254508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
255508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if (!shader)
256508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return NULL;
257508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
25812836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   t_tc = ureg_DECL_temporary(shader);
25912836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   tmp = ureg_DECL_temporary(shader);
26012836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
26174c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   tex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX, TGSI_INTERPOLATE_LINEAR);
26274c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   block = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_BLOCK, TGSI_INTERPOLATE_LINEAR);
263508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
2642c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König   sampler[0] = ureg_DECL_sampler(shader, 1);
2652c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König   sampler[1] = ureg_DECL_sampler(shader, 0);
266508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
267cfe489b89723117e56674c2be7761c201f8d78ffChristian König   start[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_START, TGSI_INTERPOLATE_CONSTANT);
268cfe489b89723117e56674c2be7761c201f8d78ffChristian König   start[1] = ureg_imm1f(shader, 0.0f);
269cfe489b89723117e56674c2be7761c201f8d78ffChristian König
270a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König   for (i = 0; i < NR_RENDER_TARGETS; ++i)
271e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König       fragment[i] = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, i);
272e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König
27329840040af128fe3f3542defd9448e1f66c23f03Christian König   ureg_MOV(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_Y), tex);
27474c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   for (i = 0; i < 4; ++i) {
2750b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      fetch_four(shader, l[i], ureg_src(t_tc), sampler[0], start[0], block, false, false, idct->buffer_width / 4);
27674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_MUL(shader, l[i][0], ureg_src(l[i][0]), ureg_imm1f(shader, STAGE1_SCALE));
27774c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_MUL(shader, l[i][1], ureg_src(l[i][1]), ureg_imm1f(shader, STAGE1_SCALE));
27874c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      if(i != 3)
27974c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König         ureg_ADD(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_Y),
2800b749d6dcb537472771d6fe6e454aafc916ab3feChristian König            ureg_src(t_tc), ureg_imm1f(shader, 1.0f / idct->buffer_height));
28174c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   }
282e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König
283a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König   for (i = 0; i < NR_RENDER_TARGETS; ++i) {
284a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König
285a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König#if NR_RENDER_TARGETS == 8
286e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König      ureg_MOV(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_X), ureg_imm1f(shader, 1.0f / BLOCK_WIDTH * i));
2870b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      fetch_four(shader, r, ureg_src(t_tc), sampler[1], start[1], block, true, true, BLOCK_WIDTH / 4);
288a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König#elif NR_RENDER_TARGETS == 1
2890b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      fetch_four(shader, r, block, sampler[1], start[1], block, true, true, BLOCK_WIDTH / 4);
290a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König#else
291a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König#error invalid number of render targets
292a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König#endif
293a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König
29474c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      for (j = 0; j < 4; ++j) {
29574c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König         matrix_mul(shader, ureg_writemask(fragment[i], TGSI_WRITEMASK_X << j), l[j], r);
29674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      }
297e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König      ureg_release_temporary(shader, r[0]);
298e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König      ureg_release_temporary(shader, r[1]);
299e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   }
30012836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
30112836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   ureg_release_temporary(shader, t_tc);
302cfe489b89723117e56674c2be7761c201f8d78ffChristian König   ureg_release_temporary(shader, tmp);
30374c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König
30474c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   for (i = 0; i < 4; ++i) {
30574c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_release_temporary(shader, l[i][0]);
30674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König      ureg_release_temporary(shader, l[i][1]);
30774c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   }
308508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
309508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_END(shader);
310508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
311508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
312508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
313508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
314508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic bool
315508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königinit_shaders(struct vl_idct *idct)
316508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
3178e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   idct->vs = create_vert_shader(idct);
3185a8078486a013152d150a4524ebfab929eefe6c4Christian König   idct->matrix_fs = create_matrix_frag_shader(idct);
31912836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König   idct->transpose_fs = create_transpose_frag_shader(idct);
32012836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
32121efda86875096333dc0412c0edab1e188f551d8Christian König   return
3228e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König      idct->vs != NULL &&
3238e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König      idct->transpose_fs != NULL &&
3248e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König      idct->matrix_fs != NULL;
325508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
326508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
327508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
328508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcleanup_shaders(struct vl_idct *idct)
329508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
3308e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   idct->pipe->delete_vs_state(idct->pipe, idct->vs);
331508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->delete_fs_state(idct->pipe, idct->matrix_fs);
3328e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König   idct->pipe->delete_fs_state(idct->pipe, idct->transpose_fs);
333508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
334508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
335508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic bool
3360b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königinit_state(struct vl_idct *idct)
3370b749d6dcb537472771d6fe6e454aafc916ab3feChristian König{
3380b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   struct pipe_vertex_element vertex_elems[NUM_VS_INPUTS];
3390b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   struct pipe_sampler_state sampler;
3400b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   struct pipe_rasterizer_state rs_state;
3410b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   unsigned i;
3420b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3430b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct);
3440b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3450b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->quad = vl_vb_upload_quads(idct->pipe, idct->max_blocks);
3460b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3470b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if(idct->quad.buffer == NULL)
3480b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      return false;
3490b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3500b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   for (i = 0; i < 4; ++i) {
3510b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      memset(&sampler, 0, sizeof(sampler));
3520b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
3530b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
3540b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
3550b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
3560b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
3570b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
3580b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
3590b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.compare_func = PIPE_FUNC_ALWAYS;
3600b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.normalized_coords = 1;
3610b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      /*sampler.shadow_ambient = ; */
3620b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      /*sampler.lod_bias = ; */
3630b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      sampler.min_lod = 0;
3640b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      /*sampler.max_lod = ; */
3650b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      /*sampler.border_color[0] = ; */
3660b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      /*sampler.max_anisotropy = ; */
3670b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->samplers.all[i] = idct->pipe->create_sampler_state(idct->pipe, &sampler);
3680b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   }
3690b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3700b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   memset(&rs_state, 0, sizeof(rs_state));
3710b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   /*rs_state.sprite_coord_enable */
3720b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   rs_state.sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT;
3730b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   rs_state.point_quad_rasterization = true;
3740b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   rs_state.point_size = BLOCK_WIDTH;
3750b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   rs_state.gl_rasterization_rules = false;
3760b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->rs_state = idct->pipe->create_rasterizer_state(idct->pipe, &rs_state);
3770b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3780b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   vertex_elems[VS_I_RECT] = vl_vb_get_quad_vertex_element();
3790b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3800b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   /* Pos element */
3810b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   vertex_elems[VS_I_VPOS].src_format = PIPE_FORMAT_R32G32_FLOAT;
3820b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3830b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->vertex_buffer_stride = vl_vb_element_helper(&vertex_elems[VS_I_VPOS], 1, 1);
3840b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->vertex_elems_state = idct->pipe->create_vertex_elements_state(idct->pipe, 2, vertex_elems);
3850b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3860b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   return true;
3870b749d6dcb537472771d6fe6e454aafc916ab3feChristian König}
3880b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3890b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königstatic void
3900b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königcleanup_state(struct vl_idct *idct)
3910b749d6dcb537472771d6fe6e454aafc916ab3feChristian König{
3920b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   unsigned i;
3930b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3940b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   for (i = 0; i < 4; ++i)
3950b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->delete_sampler_state(idct->pipe, idct->samplers.all[i]);
3960b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
3970b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->pipe->delete_rasterizer_state(idct->pipe, idct->rs_state);
3980b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->pipe->delete_vertex_elements_state(idct->pipe, idct->vertex_elems_state);
3990b749d6dcb537472771d6fe6e454aafc916ab3feChristian König}
4000b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
4010b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königstatic bool
4020b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königinit_textures(struct vl_idct *idct, struct vl_idct_buffer *buffer)
403508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
404508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct pipe_resource template;
405508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct pipe_sampler_view sampler_view;
40621efda86875096333dc0412c0edab1e188f551d8Christian König   unsigned i;
407508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
4080b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct && buffer);
4090b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
4100b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   /* create textures */
411508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   memset(&template, 0, sizeof(struct pipe_resource));
412508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.last_level = 0;
413508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.depth0 = 1;
414508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.bind = PIPE_BIND_SAMPLER_VIEW;
415508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.flags = 0;
416508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
417e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   template.target = PIPE_TEXTURE_2D;
41813e28cff7655adec0f89aed9c5ee74f8481133abChristian König   template.format = PIPE_FORMAT_R16G16B16A16_SNORM;
4190b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   template.width0 = idct->buffer_width / 4;
4200b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   template.height0 = idct->buffer_height;
421e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   template.depth0 = 1;
42213e28cff7655adec0f89aed9c5ee74f8481133abChristian König   template.usage = PIPE_USAGE_STREAM;
4230b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->textures.individual.source = idct->pipe->screen->resource_create(idct->pipe->screen, &template);
424508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
425e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König   template.target = PIPE_TEXTURE_3D;
42674c71f09f3d321963b738acfb0bfd30b1e1efaebChristian König   template.format = PIPE_FORMAT_R16G16B16A16_SNORM;
4270b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   template.width0 = idct->buffer_width / NR_RENDER_TARGETS;
4280b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   template.height0 = idct->buffer_height / 4;
429a984c67b316ac2ca9aaf6d38a3127cf3d61a249eChristian König   template.depth0 = NR_RENDER_TARGETS;
43003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   template.usage = PIPE_USAGE_STATIC;
4310b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->textures.individual.intermediate = idct->pipe->screen->resource_create(idct->pipe->screen, &template);
432508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
433508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for (i = 0; i < 4; ++i) {
4340b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      if(buffer->textures.all[i] == NULL)
43521efda86875096333dc0412c0edab1e188f551d8Christian König         return false; /* a texture failed to allocate */
43621efda86875096333dc0412c0edab1e188f551d8Christian König
4370b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      u_sampler_view_default_template(&sampler_view, buffer->textures.all[i], buffer->textures.all[i]->format);
4380b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->sampler_views.all[i] = idct->pipe->create_sampler_view(idct->pipe, buffer->textures.all[i], &sampler_view);
439508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
440508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
441508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return true;
442508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
443508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
444508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
4450b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königcleanup_textures(struct vl_idct *idct, struct vl_idct_buffer *buffer)
446508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
447508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   unsigned i;
448508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
4490b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct && buffer);
450508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
451508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for (i = 0; i < 4; ++i) {
4520b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      pipe_sampler_view_reference(&buffer->sampler_views.all[i], NULL);
4530b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      pipe_resource_reference(&buffer->textures.all[i], NULL);
454508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
455508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
456508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
4570b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königstatic bool
4580b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königinit_vertex_buffers(struct vl_idct *idct, struct vl_idct_buffer *buffer)
459e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König{
4600b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct && buffer);
46112836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
4620b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->vertex_bufs.individual.quad.stride = idct->quad.stride;
4630b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->vertex_bufs.individual.quad.max_index = idct->quad.max_index;
4640b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->vertex_bufs.individual.quad.buffer_offset = idct->quad.buffer_offset;
4650b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&buffer->vertex_bufs.individual.quad.buffer, idct->quad.buffer);
46612836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
4670b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->vertex_bufs.individual.pos = vl_vb_create_buffer(idct->pipe, idct->max_blocks, idct->vertex_buffer_stride);
468508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
4690b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if(buffer->vertex_bufs.individual.pos.buffer == NULL)
4700b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      return false;
471508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
4720b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if (!vl_vb_init(&buffer->blocks, idct->max_blocks, 2))
4730b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      return false;
47429840040af128fe3f3542defd9448e1f66c23f03Christian König
4750b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   return true;
476e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König}
477e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
478e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic void
4790b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königcleanup_vertex_buffers(struct vl_idct *idct, struct vl_idct_buffer *buffer)
480e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König{
4810b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct && buffer);
482e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
4830b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&buffer->vertex_bufs.individual.quad.buffer, NULL);
4840b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&buffer->vertex_bufs.individual.pos.buffer, NULL);
485e742a1043dbd56fe11f0490cb74b7a738bab2238Christian König
4860b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   vl_vb_cleanup(&buffer->blocks);
487e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König}
488e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
4893dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian Königstruct pipe_resource *
4903dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian Königvl_idct_upload_matrix(struct pipe_context *pipe)
4913dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König{
4923dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   struct pipe_resource template, *matrix;
4933dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   struct pipe_transfer *buf_transfer;
4943dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   unsigned i, j, pitch;
4953dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   float *f;
4963dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
4973dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   struct pipe_box rect =
4983dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   {
4993dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      0, 0, 0,
5003dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      BLOCK_WIDTH,
5013dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      BLOCK_HEIGHT,
5023dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      1
5033dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   };
5043dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5053dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   memset(&template, 0, sizeof(struct pipe_resource));
5063dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.target = PIPE_TEXTURE_2D;
5073dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.format = PIPE_FORMAT_R32G32B32A32_FLOAT;
5083dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.last_level = 0;
5093dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.width0 = 2;
5103dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.height0 = 8;
5113dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.depth0 = 1;
5123dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.usage = PIPE_USAGE_IMMUTABLE;
5133dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.bind = PIPE_BIND_SAMPLER_VIEW;
5143dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.flags = 0;
5153dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5163dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   matrix = pipe->screen->resource_create(pipe->screen, &template);
5173dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5183dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   /* matrix */
5193dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   buf_transfer = pipe->get_transfer
5203dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   (
5213dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      pipe, matrix,
5223dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      u_subresource(0, 0),
5233dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
5243dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      &rect
5253dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   );
5263fd53e6c2a05e65872de4292557d7839cbcf7395Christian König   pitch = buf_transfer->stride / sizeof(float);
5273dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5283dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   f = pipe->transfer_map(pipe, buf_transfer);
5293dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   for(i = 0; i < BLOCK_HEIGHT; ++i)
5303dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      for(j = 0; j < BLOCK_WIDTH; ++j)
5313fd53e6c2a05e65872de4292557d7839cbcf7395Christian König         f[i * pitch + j] = const_matrix[j][i]; // transpose
5323dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5333dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pipe->transfer_unmap(pipe, buf_transfer);
5343dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pipe->transfer_destroy(pipe, buf_transfer);
5353dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5363dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   return matrix;
5373dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König}
5383dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5390b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königbool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe,
5400b749d6dcb537472771d6fe6e454aafc916ab3feChristian König                  unsigned buffer_width, unsigned buffer_height,
5410b749d6dcb537472771d6fe6e454aafc916ab3feChristian König                  struct pipe_resource *matrix)
542e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König{
5430b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct && pipe && matrix);
544e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
545e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->pipe = pipe;
5460b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->buffer_width = buffer_width;
5470b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->buffer_height = buffer_height;
5480b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&idct->matrix, matrix);
549508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
5504abe7382882a451a7750ccc451b8568768d122cbChristian König   idct->max_blocks =
5510b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      align(buffer_width, BLOCK_WIDTH) / BLOCK_WIDTH *
5520b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      align(buffer_height, BLOCK_HEIGHT) / BLOCK_HEIGHT;
5534abe7382882a451a7750ccc451b8568768d122cbChristian König
5540b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if(!init_shaders(idct))
555508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return false;
556508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
5570b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if(!init_state(idct)) {
5580b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      cleanup_shaders(idct);
559508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return false;
560508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
561508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
5620b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   return true;
5630b749d6dcb537472771d6fe6e454aafc916ab3feChristian König}
5640b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5650b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvoid
5660b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_cleanup(struct vl_idct *idct)
5670b749d6dcb537472771d6fe6e454aafc916ab3feChristian König{
5680b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   cleanup_shaders(idct);
5690b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   cleanup_state(idct);
5700b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5710b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&idct->matrix, NULL);
5720b749d6dcb537472771d6fe6e454aafc916ab3feChristian König}
5730b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5740b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königbool
5750b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_init_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer, struct pipe_resource *dst)
5760b749d6dcb537472771d6fe6e454aafc916ab3feChristian König{
5770b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   unsigned i;
5780b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5790b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(buffer);
5800b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct);
5810b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(dst);
5820b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5830b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&buffer->textures.individual.matrix, idct->matrix);
5840b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&buffer->textures.individual.transpose, idct->matrix);
5850b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_resource_reference(&buffer->destination, dst);
5860b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5870b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if (!init_textures(idct, buffer))
5884abe7382882a451a7750ccc451b8568768d122cbChristian König      return false;
5890b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5900b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   if (!init_vertex_buffers(idct, buffer))
5910b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      return false;
5920b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5930b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   /* init state */
5940b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->viewport[0].scale[0] = buffer->textures.individual.intermediate->width0;
5950b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->viewport[0].scale[1] = buffer->textures.individual.intermediate->height0;
5960b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
5970b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->viewport[1].scale[0] = buffer->destination->width0;
5980b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->viewport[1].scale[1] = buffer->destination->height0;
5990b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
6000b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[0].width = buffer->textures.individual.intermediate->width0;
6010b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[0].height = buffer->textures.individual.intermediate->height0;
6020b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
6030b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[0].nr_cbufs = NR_RENDER_TARGETS;
6040b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   for(i = 0; i < NR_RENDER_TARGETS; ++i) {
6050b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->fb_state[0].cbufs[i] = idct->pipe->screen->get_tex_surface(
6060b749d6dcb537472771d6fe6e454aafc916ab3feChristian König         idct->pipe->screen, buffer->textures.individual.intermediate, 0, 0, i,
6070b749d6dcb537472771d6fe6e454aafc916ab3feChristian König         PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
6084abe7382882a451a7750ccc451b8568768d122cbChristian König   }
6094abe7382882a451a7750ccc451b8568768d122cbChristian König
6100b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[1].width = buffer->destination->width0;
6110b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[1].height = buffer->destination->height0;
61212836fbcfad7f317b1f5aa5e46f9946894bf040cChristian König
6130b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[1].nr_cbufs = 1;
6140b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->fb_state[1].cbufs[0] = idct->pipe->screen->get_tex_surface(
6150b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->screen, buffer->destination, 0, 0, 0,
6160b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
6170b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
6180b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   for(i = 0; i < 2; ++i) {
6190b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->viewport[i].scale[2] = 1;
6200b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->viewport[i].scale[3] = 1;
6210b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->viewport[i].translate[0] = 0;
6220b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->viewport[i].translate[1] = 0;
6230b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->viewport[i].translate[2] = 0;
6240b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->viewport[i].translate[3] = 0;
6250b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
6260b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->fb_state[i].zsbuf = NULL;
6270b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   }
628508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
629508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return true;
630508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
631508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
63203c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvoid
6330b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_cleanup_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer)
634508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
6350b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   unsigned i;
6366484898752d733a2442b433fbb78325f9021c698Christian König
6370b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(buffer);
638e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
6390b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   for(i = 0; i < NR_RENDER_TARGETS; ++i) {
6400b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->screen->tex_surface_destroy(buffer->fb_state[0].cbufs[i]);
6410b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   }
6420b749d6dcb537472771d6fe6e454aafc916ab3feChristian König
6430b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->pipe->screen->tex_surface_destroy(buffer->fb_state[1].cbufs[0]);
644e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
6450b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   cleanup_textures(idct, buffer);
6460b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   cleanup_vertex_buffers(idct, buffer);
647508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
648508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
64903c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvoid
6500b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_map_buffers(struct vl_idct *idct, struct vl_idct_buffer *buffer)
6516484898752d733a2442b433fbb78325f9021c698Christian König{
6526484898752d733a2442b433fbb78325f9021c698Christian König   assert(idct);
6536484898752d733a2442b433fbb78325f9021c698Christian König
6546484898752d733a2442b433fbb78325f9021c698Christian König   struct pipe_box rect =
6556484898752d733a2442b433fbb78325f9021c698Christian König   {
6566484898752d733a2442b433fbb78325f9021c698Christian König      0, 0, 0,
6570b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->textures.individual.source->width0,
6580b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->textures.individual.source->height0,
6596484898752d733a2442b433fbb78325f9021c698Christian König      1
6606484898752d733a2442b433fbb78325f9021c698Christian König   };
6616484898752d733a2442b433fbb78325f9021c698Christian König
6620b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->tex_transfer = idct->pipe->get_transfer
6636484898752d733a2442b433fbb78325f9021c698Christian König   (
6640b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe, buffer->textures.individual.source,
6656484898752d733a2442b433fbb78325f9021c698Christian König      u_subresource(0, 0),
6666484898752d733a2442b433fbb78325f9021c698Christian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
6676484898752d733a2442b433fbb78325f9021c698Christian König      &rect
6686484898752d733a2442b433fbb78325f9021c698Christian König   );
6696484898752d733a2442b433fbb78325f9021c698Christian König
6700b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   buffer->texels = idct->pipe->transfer_map(idct->pipe, buffer->tex_transfer);
6716484898752d733a2442b433fbb78325f9021c698Christian König}
6726484898752d733a2442b433fbb78325f9021c698Christian König
6736484898752d733a2442b433fbb78325f9021c698Christian Königvoid
6740b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_add_block(struct vl_idct_buffer *buffer, unsigned x, unsigned y, short *block)
675508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
67657018734023b41ef84f5be560c12dce6ae5f1c58Christian König   struct vertex2f v;
677508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   unsigned tex_pitch;
678508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   short *texels;
679e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
680508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   unsigned i;
681508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
6820b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(buffer);
683e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
6840b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   tex_pitch = buffer->tex_transfer->stride / sizeof(short);
6850b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   texels = buffer->texels + y * tex_pitch * BLOCK_HEIGHT + x * BLOCK_WIDTH;
68603c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
6879af3c243d958dd5b9802dda321ab980c83cb8cb8Christian König   for (i = 0; i < BLOCK_HEIGHT; ++i)
6889af3c243d958dd5b9802dda321ab980c83cb8cb8Christian König      memcpy(texels + i * tex_pitch, block + i * BLOCK_WIDTH, BLOCK_WIDTH * sizeof(short));
689e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
69057018734023b41ef84f5be560c12dce6ae5f1c58Christian König   v.x = x;
69157018734023b41ef84f5be560c12dce6ae5f1c58Christian König   v.y = y;
6920b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   vl_vb_add_block(&buffer->blocks, (float*)&v);
693508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
694508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
69503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvoid
6960b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_unmap_buffers(struct vl_idct *idct, struct vl_idct_buffer *buffer)
6976484898752d733a2442b433fbb78325f9021c698Christian König{
6980b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   assert(idct && buffer);
6996484898752d733a2442b433fbb78325f9021c698Christian König
7000b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->pipe->transfer_unmap(idct->pipe, buffer->tex_transfer);
7010b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   idct->pipe->transfer_destroy(idct->pipe, buffer->tex_transfer);
7026484898752d733a2442b433fbb78325f9021c698Christian König}
7036484898752d733a2442b433fbb78325f9021c698Christian König
7046484898752d733a2442b433fbb78325f9021c698Christian Königvoid
7050b749d6dcb537472771d6fe6e454aafc916ab3feChristian Königvl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer)
706508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
7074abe7382882a451a7750ccc451b8568768d122cbChristian König   struct pipe_transfer *vec_transfer;
70857018734023b41ef84f5be560c12dce6ae5f1c58Christian König   void *vectors;
70957018734023b41ef84f5be560c12dce6ae5f1c58Christian König   unsigned num_verts;
7104abe7382882a451a7750ccc451b8568768d122cbChristian König
7114abe7382882a451a7750ccc451b8568768d122cbChristian König   assert(idct);
7124abe7382882a451a7750ccc451b8568768d122cbChristian König
7134abe7382882a451a7750ccc451b8568768d122cbChristian König   vectors = pipe_buffer_map
7144abe7382882a451a7750ccc451b8568768d122cbChristian König   (
7154abe7382882a451a7750ccc451b8568768d122cbChristian König      idct->pipe,
7160b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      buffer->vertex_bufs.individual.pos.buffer,
7174abe7382882a451a7750ccc451b8568768d122cbChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
7184abe7382882a451a7750ccc451b8568768d122cbChristian König      &vec_transfer
7194abe7382882a451a7750ccc451b8568768d122cbChristian König   );
7204abe7382882a451a7750ccc451b8568768d122cbChristian König
7210b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   num_verts = vl_vb_upload(&buffer->blocks, vectors);
7224abe7382882a451a7750ccc451b8568768d122cbChristian König
7230b749d6dcb537472771d6fe6e454aafc916ab3feChristian König   pipe_buffer_unmap(idct->pipe, buffer->vertex_bufs.individual.pos.buffer, vec_transfer);
7244abe7382882a451a7750ccc451b8568768d122cbChristian König
72557018734023b41ef84f5be560c12dce6ae5f1c58Christian König   if(num_verts > 0) {
72603c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
72729840040af128fe3f3542defd9448e1f66c23f03Christian König      idct->pipe->bind_rasterizer_state(idct->pipe, idct->rs_state);
7280b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_vertex_buffers(idct->pipe, 2, buffer->vertex_bufs.all);
7298e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König      idct->pipe->bind_vertex_elements_state(idct->pipe, idct->vertex_elems_state);
7308e0c05960daa7a38ab7834e6a9e7e0a7a973ac2dChristian König      idct->pipe->bind_vs_state(idct->pipe, idct->vs);
73129840040af128fe3f3542defd9448e1f66c23f03Christian König
73203c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      /* first stage */
7330b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state[0]);
7340b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_viewport_state(idct->pipe, &buffer->viewport[0]);
7350b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_fragment_sampler_views(idct->pipe, 2, buffer->sampler_views.stage[0]);
7362c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König      idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers.stage[0]);
73713e28cff7655adec0f89aed9c5ee74f8481133abChristian König      idct->pipe->bind_fs_state(idct->pipe, idct->matrix_fs);
73857018734023b41ef84f5be560c12dce6ae5f1c58Christian König      util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS, 0, num_verts);
73903c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
74003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      /* second stage */
7410b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state[1]);
7420b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_viewport_state(idct->pipe, &buffer->viewport[1]);
7430b749d6dcb537472771d6fe6e454aafc916ab3feChristian König      idct->pipe->set_fragment_sampler_views(idct->pipe, 2, buffer->sampler_views.stage[1]);
7442c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König      idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers.stage[1]);
74513e28cff7655adec0f89aed9c5ee74f8481133abChristian König      idct->pipe->bind_fs_state(idct->pipe, idct->transpose_fs);
74657018734023b41ef84f5be560c12dce6ae5f1c58Christian König      util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS, 0, num_verts);
74795febb69cc333dad75c0f2da19dd85f444281ad2Christian König   }
748508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
749