vl_idct.c revision 3dd7bf7d39781f3ef4c0b53732945674c9924cdf
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"
29e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König#include "util/u_draw.h"
30508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <assert.h>
31508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <pipe/p_context.h>
32508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <pipe/p_screen.h>
33508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <util/u_inlines.h>
34508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <util/u_sampler.h>
35508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <util/u_format.h>
36508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include <tgsi/tgsi_ureg.h>
37508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#include "vl_types.h"
38508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
39508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#define BLOCK_WIDTH 8
40508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König#define BLOCK_HEIGHT 8
41ac1fd50163119a887487d748fab507b23e215c2bChristian König
4203c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König#define SCALE_FACTOR_16_TO_9 (32768.0f / 256.0f)
43508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
44ed49905944243863913bc2598f734ca038c85b94Christian König#define STAGE1_SCALE 4.0f
45ed49905944243863913bc2598f734ca038c85b94Christian König#define STAGE2_SCALE (SCALE_FACTOR_16_TO_9 / STAGE1_SCALE)
46ed49905944243863913bc2598f734ca038c85b94Christian König
47508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstruct vertex_shader_consts
48508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
49508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct vertex4f norm;
50508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
51508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
52508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königenum VS_INPUT
53508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
54508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_I_RECT,
55508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_I_VPOS,
56508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
57508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   NUM_VS_INPUTS
58508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
59508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
60508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königenum VS_OUTPUT
61508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
62508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_VPOS,
63508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_BLOCK,
64508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_TEX,
65508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_START,
66508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   VS_O_STEP
67508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
68508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
69e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic const float const_matrix[8][8] = {
70508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.3535530f,  0.3535530f,  0.3535530f,  0.3535530f,  0.3535530f,  0.3535530f,  0.353553f,  0.3535530f },
71508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.4903930f,  0.4157350f,  0.2777850f,  0.0975451f, -0.0975452f, -0.2777850f, -0.415735f, -0.4903930f },
72508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.4619400f,  0.1913420f, -0.1913420f, -0.4619400f, -0.4619400f, -0.1913420f,  0.191342f,  0.4619400f },
73508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.4157350f, -0.0975452f, -0.4903930f, -0.2777850f,  0.2777850f,  0.4903930f,  0.097545f, -0.4157350f },
74508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.3535530f, -0.3535530f, -0.3535530f,  0.3535540f,  0.3535530f, -0.3535540f, -0.353553f,  0.3535530f },
75508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.2777850f, -0.4903930f,  0.0975452f,  0.4157350f, -0.4157350f, -0.0975451f,  0.490393f, -0.2777850f },
76508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.1913420f, -0.4619400f,  0.4619400f, -0.1913420f, -0.1913410f,  0.4619400f, -0.461940f,  0.1913420f },
77508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {  0.0975451f, -0.2777850f,  0.4157350f, -0.4903930f,  0.4903930f, -0.4157350f,  0.277786f, -0.0975458f }
78508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König};
79508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
80e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König/* vertices for a quad covering a block */
81e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic const struct vertex2f const_quad[4] = {
82e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}
83e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König};
84e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
85508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void *
86508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcreate_vert_shader(struct vl_idct *idct)
87508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
88508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_program *shader;
89508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src norm, bs;
90508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src vrect, vpos;
91508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_dst scale, t_vpos;
92508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_dst o_vpos, o_block, o_tex, o_start, o_step;
93508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
94508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   shader = ureg_create(TGSI_PROCESSOR_VERTEX);
95508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if (!shader)
96508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return NULL;
97508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
98508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   norm = ureg_DECL_constant(shader, 0);
99508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   bs = ureg_imm2f(shader, BLOCK_WIDTH, BLOCK_HEIGHT);
100508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
101508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   scale = ureg_DECL_temporary(shader);
102508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   t_vpos = ureg_DECL_temporary(shader);
103508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
104508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
105508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
106508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
107508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
108508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   o_block = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_BLOCK);
109e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   o_tex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX);
110e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   o_start = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_START);
111508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   o_step = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_STEP);
112508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
113508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   /*
114508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * scale = norm * mbs;
115508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    *
116508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * t_vpos = vpos + vrect
117508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_vpos.xy = t_vpos * scale
118508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_vpos.zw = vpos
119508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    *
120508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_block = vrect
121508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_tex = t_pos
122508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_start = vpos * scale
123508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * o_step = norm
124508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    *
125508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    */
126508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MUL(shader, ureg_writemask(scale, TGSI_WRITEMASK_XY), norm, bs);
127508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
128508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_ADD(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), vpos, vrect);
129508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MUL(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos), ureg_src(scale));
130508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
131508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), vpos);
132508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
133508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_tex, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
134508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_block, TGSI_WRITEMASK_XY), vrect);
135508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MUL(shader, ureg_writemask(o_start, TGSI_WRITEMASK_XY), vpos, ureg_src(scale));
136508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(o_step, TGSI_WRITEMASK_XY), norm);
137508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
138508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_release_temporary(shader, t_vpos);
139508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_release_temporary(shader, scale);
140508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
141508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_END(shader);
142508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
143508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
144508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
145508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
146508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
147508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königmatrix_mul(struct ureg_program *shader, struct ureg_dst dst,
148508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König           struct ureg_src tc[2], struct ureg_src sampler[2],
149508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König           struct ureg_src start[2], struct ureg_src step[2],
150c9e10c666adc64f6c5dfb04422560508f115aa54Christian König           bool fetch4[2], float scale)
151508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
152508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_dst t_tc[2], m[2][2], tmp[2];
153c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   unsigned side, i, j;
154508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
155508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for(i = 0; i < 2; ++i) {
156508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      t_tc[i] = ureg_DECL_temporary(shader);
157508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      for(j = 0; j < 2; ++j)
158508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König         m[i][j] = ureg_DECL_temporary(shader);
159508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      tmp[i] = ureg_DECL_temporary(shader);
160508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
161508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
162508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   /*
163508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * m[0..1][0] = ?
164508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * tmp[0..1] = dot4(m[0..1][0], m[0..1][1])
165508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    * fragment = tmp[0] + tmp[1]
166508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König    */
167508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_X), start[0]);
168508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_MOV(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_Y), tc[0]);
169508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
170ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   if(fetch4[1]) {
171ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König      ureg_MOV(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_X), ureg_scalar(start[1], TGSI_SWIZZLE_Y));
172ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König      ureg_MOV(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_Y), ureg_scalar(tc[1], TGSI_SWIZZLE_X));
173ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   } else {
174ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König      ureg_MOV(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_X), tc[1]);
175ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König      ureg_MOV(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_Y), start[1]);
176ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   }
177508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
178c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   for(side = 0; side < 2; ++side) {
179c9e10c666adc64f6c5dfb04422560508f115aa54Christian König      for(i = 0; i < 2; ++i) {
180c9e10c666adc64f6c5dfb04422560508f115aa54Christian König         if(fetch4[side]) {
181c9e10c666adc64f6c5dfb04422560508f115aa54Christian König            ureg_TEX(shader, m[i][side], TGSI_TEXTURE_2D, ureg_src(t_tc[side]), sampler[side]);
182ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König            ureg_MOV(shader, ureg_writemask(t_tc[side], TGSI_WRITEMASK_X), step[side]);
183508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
184c9e10c666adc64f6c5dfb04422560508f115aa54Christian König         } else for(j = 0; j < 4; ++j) {
185c9e10c666adc64f6c5dfb04422560508f115aa54Christian König            /* Nouveau and r600g can't writemask tex dst regs (yet?), do in two steps */
186c9e10c666adc64f6c5dfb04422560508f115aa54Christian König            ureg_TEX(shader, tmp[side], TGSI_TEXTURE_2D, ureg_src(t_tc[side]), sampler[side]);
187c9e10c666adc64f6c5dfb04422560508f115aa54Christian König            ureg_MOV(shader, ureg_writemask(m[i][side], TGSI_WRITEMASK_X << j), ureg_scalar(ureg_src(tmp[side]), TGSI_SWIZZLE_X));
188508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
189c9e10c666adc64f6c5dfb04422560508f115aa54Christian König            ureg_ADD(shader, ureg_writemask(t_tc[side], TGSI_WRITEMASK_X << side), ureg_src(t_tc[side]), step[side]);
190c9e10c666adc64f6c5dfb04422560508f115aa54Christian König         }
191508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      }
192508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
193508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
194508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_DP4(shader, ureg_writemask(tmp[0], TGSI_WRITEMASK_X), ureg_src(m[0][0]), ureg_src(m[0][1]));
195508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_DP4(shader, ureg_writemask(tmp[1], TGSI_WRITEMASK_X), ureg_src(m[1][0]), ureg_src(m[1][1]));
196ed49905944243863913bc2598f734ca038c85b94Christian König   ureg_ADD(shader, ureg_writemask(tmp[0], TGSI_WRITEMASK_X), ureg_src(tmp[0]), ureg_src(tmp[1]));
197ed49905944243863913bc2598f734ca038c85b94Christian König   ureg_MUL(shader, dst, ureg_src(tmp[0]), ureg_imm1f(shader, scale));
198508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
199508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for(i = 0; i < 2; ++i) {
200508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      ureg_release_temporary(shader, t_tc[i]);
201508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      for(j = 0; j < 2; ++j)
202508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König         ureg_release_temporary(shader, m[i][j]);
203508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      ureg_release_temporary(shader, tmp[i]);
204508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
205508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
206508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
207508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void *
208508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcreate_transpose_frag_shader(struct vl_idct *idct)
209508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
210508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_program *shader;
211508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src tc[2], sampler[2];
212508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src start[2], step[2];
213ac1fd50163119a887487d748fab507b23e215c2bChristian König   struct ureg_dst fragment;
214c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   bool fetch4[2];
215508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
216508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
217508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if (!shader)
218508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return NULL;
219508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
220508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_BLOCK, TGSI_INTERPOLATE_LINEAR);
221508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX, TGSI_INTERPOLATE_LINEAR);
222508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
223508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   start[0] = ureg_imm1f(shader, 0.0f);
224508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   start[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_START, TGSI_INTERPOLATE_CONSTANT);
225508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
226c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   step[0] = ureg_imm1f(shader, 4.0f / BLOCK_HEIGHT);
227508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   step[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_STEP, TGSI_INTERPOLATE_CONSTANT);
228508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
229508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   sampler[0] = ureg_DECL_sampler(shader, 0);
2302c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König   sampler[1] = ureg_DECL_sampler(shader, 1);
231508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
232c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   fetch4[0] = true;
233c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   fetch4[1] = false;
234c9e10c666adc64f6c5dfb04422560508f115aa54Christian König
235508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
236508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
237c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   matrix_mul(shader, fragment, tc, sampler, start, step, fetch4, STAGE1_SCALE);
23803c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
239508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_END(shader);
240508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
241508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
242508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
243508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
244508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void *
245508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcreate_matrix_frag_shader(struct vl_idct *idct)
246508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
247508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_program *shader;
248508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src tc[2], sampler[2];
249508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct ureg_src start[2], step[2];
25095febb69cc333dad75c0f2da19dd85f444281ad2Christian König   struct ureg_dst fragment;
251c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   bool fetch4[2];
252508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
253508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
254508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if (!shader)
255508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return NULL;
256508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
257508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX, TGSI_INTERPOLATE_LINEAR);
258508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_BLOCK, TGSI_INTERPOLATE_LINEAR);
259508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
260508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   start[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_START, TGSI_INTERPOLATE_CONSTANT);
261508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   start[1] = ureg_imm1f(shader, 0.0f);
262508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
263508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   step[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_STEP, TGSI_INTERPOLATE_CONSTANT);
264ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   step[1] = ureg_imm1f(shader, 4.0f / BLOCK_WIDTH);
265508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
2662c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König   sampler[0] = ureg_DECL_sampler(shader, 1);
2672c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König   sampler[1] = ureg_DECL_sampler(shader, 0);
268508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
269c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   fetch4[0] = false;
270ed8b767a8e09cff4d98a44cdc07b08f1b322c4d3Christian König   fetch4[1] = true;
271c9e10c666adc64f6c5dfb04422560508f115aa54Christian König
272508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
273508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
274c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   matrix_mul(shader, fragment, tc, sampler, start, step, fetch4, STAGE2_SCALE);
275508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
276508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   ureg_END(shader);
277508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
278508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
279508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
280508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
28195febb69cc333dad75c0f2da19dd85f444281ad2Christian Königstatic void *
28295febb69cc333dad75c0f2da19dd85f444281ad2Christian Königcreate_empty_block_frag_shader(struct vl_idct *idct)
28395febb69cc333dad75c0f2da19dd85f444281ad2Christian König{
28495febb69cc333dad75c0f2da19dd85f444281ad2Christian König   struct ureg_program *shader;
28595febb69cc333dad75c0f2da19dd85f444281ad2Christian König   struct ureg_dst fragment;
28695febb69cc333dad75c0f2da19dd85f444281ad2Christian König
28795febb69cc333dad75c0f2da19dd85f444281ad2Christian König   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
28895febb69cc333dad75c0f2da19dd85f444281ad2Christian König   if (!shader)
28995febb69cc333dad75c0f2da19dd85f444281ad2Christian König      return NULL;
29095febb69cc333dad75c0f2da19dd85f444281ad2Christian König
29195febb69cc333dad75c0f2da19dd85f444281ad2Christian König   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
29295febb69cc333dad75c0f2da19dd85f444281ad2Christian König
29395febb69cc333dad75c0f2da19dd85f444281ad2Christian König   ureg_MOV(shader, fragment, ureg_imm1f(shader, 0.0f));
29495febb69cc333dad75c0f2da19dd85f444281ad2Christian König
29595febb69cc333dad75c0f2da19dd85f444281ad2Christian König   ureg_END(shader);
29695febb69cc333dad75c0f2da19dd85f444281ad2Christian König
29795febb69cc333dad75c0f2da19dd85f444281ad2Christian König   return ureg_create_shader_and_destroy(shader, idct->pipe);
29895febb69cc333dad75c0f2da19dd85f444281ad2Christian König}
29995febb69cc333dad75c0f2da19dd85f444281ad2Christian König
300508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
301508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königxfer_buffers_map(struct vl_idct *idct)
302508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
303508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct pipe_box rect =
304508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   {
305508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      0, 0, 0,
306508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->destination->width0,
307508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->destination->height0,
308508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      1
309508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   };
310508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
311508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->tex_transfer = idct->pipe->get_transfer
312508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   (
31303c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe, idct->textures.individual.source,
314508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      u_subresource(0, 0),
315508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
316508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      &rect
317508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   );
318508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
319508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->texels = idct->pipe->transfer_map(idct->pipe, idct->tex_transfer);
320e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
321e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vectors = pipe_buffer_map
322e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   (
323e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->pipe,
324e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->vertex_bufs.individual.pos.buffer,
325e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
326e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      &idct->vec_transfer
327e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   );
328508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
329508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
330508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
331508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königxfer_buffers_unmap(struct vl_idct *idct)
332508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
333e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   pipe_buffer_unmap(idct->pipe, idct->vertex_bufs.individual.pos.buffer, idct->vec_transfer);
334e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
335508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->transfer_unmap(idct->pipe, idct->tex_transfer);
336508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->transfer_destroy(idct->pipe, idct->tex_transfer);
337508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
338508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
339508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic bool
340508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königinit_shaders(struct vl_idct *idct)
341508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
3425a8078486a013152d150a4524ebfab929eefe6c4Christian König   idct->vs = create_vert_shader(idct);
3435a8078486a013152d150a4524ebfab929eefe6c4Christian König   idct->transpose_fs = create_transpose_frag_shader(idct);
3445a8078486a013152d150a4524ebfab929eefe6c4Christian König   idct->matrix_fs = create_matrix_frag_shader(idct);
3455a8078486a013152d150a4524ebfab929eefe6c4Christian König   idct->eb_fs = create_empty_block_frag_shader(idct);
346508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
34721efda86875096333dc0412c0edab1e188f551d8Christian König   return
34821efda86875096333dc0412c0edab1e188f551d8Christian König      idct->vs != NULL &&
34921efda86875096333dc0412c0edab1e188f551d8Christian König      idct->transpose_fs != NULL &&
35021efda86875096333dc0412c0edab1e188f551d8Christian König      idct->matrix_fs != NULL &&
35121efda86875096333dc0412c0edab1e188f551d8Christian König      idct->eb_fs != NULL;
352508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
353508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
354508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
355508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcleanup_shaders(struct vl_idct *idct)
356508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
357508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->delete_vs_state(idct->pipe, idct->vs);
358508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->delete_fs_state(idct->pipe, idct->transpose_fs);
359508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->delete_fs_state(idct->pipe, idct->matrix_fs);
36095febb69cc333dad75c0f2da19dd85f444281ad2Christian König   idct->pipe->delete_fs_state(idct->pipe, idct->eb_fs);
361508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
362508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
363508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic bool
364508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königinit_buffers(struct vl_idct *idct)
365508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
366508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct pipe_resource template;
367508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct pipe_sampler_view sampler_view;
368508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   struct pipe_vertex_element vertex_elems[2];
36921efda86875096333dc0412c0edab1e188f551d8Christian König   unsigned i;
370508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
37195febb69cc333dad75c0f2da19dd85f444281ad2Christian König   idct->max_blocks =
372508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      align(idct->destination->width0, BLOCK_WIDTH) / BLOCK_WIDTH *
373508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      align(idct->destination->height0, BLOCK_HEIGHT) / BLOCK_HEIGHT *
374508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->destination->depth0;
375508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
376508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   memset(&template, 0, sizeof(struct pipe_resource));
377508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.target = PIPE_TEXTURE_2D;
378c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   template.format = PIPE_FORMAT_R32G32B32A32_FLOAT;
379508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.last_level = 0;
380c9e10c666adc64f6c5dfb04422560508f115aa54Christian König   template.width0 = 2;
381508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.height0 = 8;
382508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.depth0 = 1;
383508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.usage = PIPE_USAGE_IMMUTABLE;
384508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.bind = PIPE_BIND_SAMPLER_VIEW;
385508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.flags = 0;
386508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
387508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.format = idct->destination->format;
388508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.width0 = idct->destination->width0;
389508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.height0 = idct->destination->height0;
390508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.depth0 = idct->destination->depth0;
391508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   template.usage = PIPE_USAGE_DYNAMIC;
392508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->textures.individual.source = idct->pipe->screen->resource_create(idct->pipe->screen, &template);
393508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
39403c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   template.usage = PIPE_USAGE_STATIC;
395508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->textures.individual.intermediate = idct->pipe->screen->resource_create(idct->pipe->screen, &template);
396508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
397508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for (i = 0; i < 4; ++i) {
39821efda86875096333dc0412c0edab1e188f551d8Christian König      if(idct->textures.all[i] == NULL)
39921efda86875096333dc0412c0edab1e188f551d8Christian König         return false; /* a texture failed to allocate */
40021efda86875096333dc0412c0edab1e188f551d8Christian König
401508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      u_sampler_view_default_template(&sampler_view, idct->textures.all[i], idct->textures.all[i]->format);
402508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->sampler_views.all[i] = idct->pipe->create_sampler_view(idct->pipe, idct->textures.all[i], &sampler_view);
403508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
404508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
405e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vertex_bufs.individual.quad.stride = sizeof(struct vertex2f);
40695febb69cc333dad75c0f2da19dd85f444281ad2Christian König   idct->vertex_bufs.individual.quad.max_index = 4 * idct->max_blocks - 1;
407e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vertex_bufs.individual.quad.buffer_offset = 0;
408e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vertex_bufs.individual.quad.buffer = pipe_buffer_create
409508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   (
410508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->pipe->screen,
411508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      PIPE_BIND_VERTEX_BUFFER,
41295febb69cc333dad75c0f2da19dd85f444281ad2Christian König      sizeof(struct vertex2f) * 4 * idct->max_blocks
413508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   );
414508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
41521efda86875096333dc0412c0edab1e188f551d8Christian König   if(idct->vertex_bufs.individual.quad.buffer == NULL)
41621efda86875096333dc0412c0edab1e188f551d8Christian König      return false;
41721efda86875096333dc0412c0edab1e188f551d8Christian König
418e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vertex_bufs.individual.pos.stride = sizeof(struct vertex2f);
41995febb69cc333dad75c0f2da19dd85f444281ad2Christian König   idct->vertex_bufs.individual.pos.max_index = 4 * idct->max_blocks - 1;
420e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vertex_bufs.individual.pos.buffer_offset = 0;
421e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->vertex_bufs.individual.pos.buffer = pipe_buffer_create
422508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   (
423508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->pipe->screen,
424508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      PIPE_BIND_VERTEX_BUFFER,
42595febb69cc333dad75c0f2da19dd85f444281ad2Christian König      sizeof(struct vertex2f) * 4 * idct->max_blocks
426508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   );
427508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
42821efda86875096333dc0412c0edab1e188f551d8Christian König   if(idct->vertex_bufs.individual.pos.buffer == NULL)
42921efda86875096333dc0412c0edab1e188f551d8Christian König      return false;
43021efda86875096333dc0412c0edab1e188f551d8Christian König
431508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   /* Rect element */
432508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[0].src_offset = 0;
433508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[0].instance_divisor = 0;
434508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[0].vertex_buffer_index = 0;
435508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
436508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
437508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   /* Pos element */
438508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[1].src_offset = 0;
439508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[1].instance_divisor = 0;
440508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[1].vertex_buffer_index = 1;
441508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
442508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
443508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->vertex_elems_state = idct->pipe->create_vertex_elements_state(idct->pipe, 2, vertex_elems);
444508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
445508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->vs_const_buf = pipe_buffer_create
446508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   (
447508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      idct->pipe->screen,
448508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      PIPE_BIND_CONSTANT_BUFFER,
449508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      sizeof(struct vertex_shader_consts)
450508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   );
451508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
45221efda86875096333dc0412c0edab1e188f551d8Christian König   if(idct->vs_const_buf == NULL)
45321efda86875096333dc0412c0edab1e188f551d8Christian König      return false;
45421efda86875096333dc0412c0edab1e188f551d8Christian König
455508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return true;
456508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
457508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
458508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königstatic void
459508a4a056c3140dc1f90b93acd46c06c30f7094eChristian Königcleanup_buffers(struct vl_idct *idct)
460508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
461508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   unsigned i;
462508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
463508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   assert(idct);
464508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
465508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   pipe_resource_reference(&idct->vs_const_buf, NULL);
466508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
467508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   for (i = 0; i < 4; ++i) {
468508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      pipe_sampler_view_reference(&idct->sampler_views.all[i], NULL);
469508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      pipe_resource_reference(&idct->textures.all[i], NULL);
470508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
471508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
472508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->pipe->delete_vertex_elements_state(idct->pipe, idct->vertex_elems_state);
473e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   pipe_resource_reference(&idct->vertex_bufs.individual.quad.buffer, NULL);
474e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   pipe_resource_reference(&idct->vertex_bufs.individual.pos.buffer, NULL);
475508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
476508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
477e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic void
478e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königinit_constants(struct vl_idct *idct)
479508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
480e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   struct pipe_transfer *buf_transfer;
481e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   struct vertex_shader_consts *vs_consts;
482e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   struct vertex2f *v;
483e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
4843dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   unsigned i;
485ac1fd50163119a887487d748fab507b23e215c2bChristian König
486ac1fd50163119a887487d748fab507b23e215c2bChristian König   /* quad vectors */
487e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   v = pipe_buffer_map
488e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   (
489e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->pipe,
490e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->vertex_bufs.individual.quad.buffer,
491e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
492e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      &buf_transfer
493e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   );
49495febb69cc333dad75c0f2da19dd85f444281ad2Christian König   for ( i = 0; i < idct->max_blocks; ++i)
49595febb69cc333dad75c0f2da19dd85f444281ad2Christian König     memcpy(v + i * 4, &const_quad, sizeof(const_quad));
496e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   pipe_buffer_unmap(idct->pipe, idct->vertex_bufs.individual.quad.buffer, buf_transfer);
497508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
498ac1fd50163119a887487d748fab507b23e215c2bChristian König   /* normalisation constants */
499e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   vs_consts = pipe_buffer_map
500e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   (
501e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->pipe, idct->vs_const_buf,
502e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
503e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      &buf_transfer
504e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   );
505e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
506e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   vs_consts->norm.x = 1.0f / idct->destination->width0;
507e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   vs_consts->norm.y = 1.0f / idct->destination->height0;
508e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
509e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   pipe_buffer_unmap(idct->pipe, idct->vs_const_buf, buf_transfer);
510e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König}
511e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
512e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic void
513e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königinit_state(struct vl_idct *idct)
514e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König{
515e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   struct pipe_sampler_state sampler;
516e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   unsigned i;
517e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
518e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->num_blocks = 0;
51995febb69cc333dad75c0f2da19dd85f444281ad2Christian König   idct->num_empty_blocks = 0;
520e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
521e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->viewport.scale[0] = idct->destination->width0;
522e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->viewport.scale[1] = idct->destination->height0;
523508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->viewport.scale[2] = 1;
524508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->viewport.scale[3] = 1;
525508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->viewport.translate[0] = 0;
526508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->viewport.translate[1] = 0;
527508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->viewport.translate[2] = 0;
528508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->viewport.translate[3] = 0;
529508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
530e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->fb_state.width = idct->destination->width0;
531e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->fb_state.height = idct->destination->height0;
532508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->fb_state.nr_cbufs = 1;
533508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   idct->fb_state.zsbuf = NULL;
534508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
535e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   for (i = 0; i < 4; ++i) {
536e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      memset(&sampler, 0, sizeof(sampler));
537e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
538e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
539e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
540e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
541e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
542e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
543e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
544e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.compare_func = PIPE_FUNC_ALWAYS;
545e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.normalized_coords = 1;
546e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      /*sampler.shadow_ambient = ; */
547e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      /*sampler.lod_bias = ; */
548e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      sampler.min_lod = 0;
549e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      /*sampler.max_lod = ; */
550e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      /*sampler.border_color[0] = ; */
551e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      /*sampler.max_anisotropy = ; */
552e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->samplers.all[i] = idct->pipe->create_sampler_state(idct->pipe, &sampler);
553e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   }
554e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König}
555e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
556e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königstatic void
557e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian Königcleanup_state(struct vl_idct *idct)
558e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König{
559e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   unsigned i;
560e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
561e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   for (i = 0; i < 4; ++i)
562e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->pipe->delete_sampler_state(idct->pipe, idct->samplers.all[i]);
563e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König}
564e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
5653dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian Königstruct pipe_resource *
5663dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian Königvl_idct_upload_matrix(struct pipe_context *pipe)
5673dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König{
5683dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   struct pipe_resource template, *matrix;
5693dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   struct pipe_transfer *buf_transfer;
5703dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   unsigned i, j, pitch;
5713dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   float *f;
5723dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5733dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   struct pipe_box rect =
5743dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   {
5753dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      0, 0, 0,
5763dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      BLOCK_WIDTH,
5773dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      BLOCK_HEIGHT,
5783dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      1
5793dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   };
5803dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5813dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   memset(&template, 0, sizeof(struct pipe_resource));
5823dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.target = PIPE_TEXTURE_2D;
5833dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.format = PIPE_FORMAT_R32G32B32A32_FLOAT;
5843dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.last_level = 0;
5853dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.width0 = 2;
5863dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.height0 = 8;
5873dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.depth0 = 1;
5883dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.usage = PIPE_USAGE_IMMUTABLE;
5893dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.bind = PIPE_BIND_SAMPLER_VIEW;
5903dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   template.flags = 0;
5913dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5923dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   matrix = pipe->screen->resource_create(pipe->screen, &template);
5933dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
5943dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   /* matrix */
5953dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   buf_transfer = pipe->get_transfer
5963dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   (
5973dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      pipe, matrix,
5983dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      u_subresource(0, 0),
5993dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
6003dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      &rect
6013dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   );
6023dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pitch = buf_transfer->stride / util_format_get_blocksize(buf_transfer->resource->format);
6033dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
6043dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   f = pipe->transfer_map(pipe, buf_transfer);
6053dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   for(i = 0; i < BLOCK_HEIGHT; ++i)
6063dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König      for(j = 0; j < BLOCK_WIDTH; ++j)
6073dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König         f[i * pitch * 4 + j] = const_matrix[j][i]; // transpose
6083dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
6093dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pipe->transfer_unmap(pipe, buf_transfer);
6103dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pipe->transfer_destroy(pipe, buf_transfer);
6113dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
6123dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   return matrix;
6133dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König}
6143dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König
61503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königbool
6163dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian Königvl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, struct pipe_resource *dst, struct pipe_resource *matrix)
617e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König{
618e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   assert(idct && pipe && dst);
619e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
620e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->pipe = pipe;
6213dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pipe_resource_reference(&idct->textures.individual.matrix, matrix);
6223dd7bf7d39781f3ef4c0b53732945674c9924cdfChristian König   pipe_resource_reference(&idct->textures.individual.transpose, matrix);
623508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   pipe_resource_reference(&idct->destination, dst);
624508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
625e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   init_state(idct);
626e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
627508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if(!init_shaders(idct))
628508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return false;
629508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
630508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   if(!init_buffers(idct)) {
631508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      cleanup_shaders(idct);
632508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König      return false;
633508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   }
634508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
635e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->surfaces.intermediate = idct->pipe->screen->get_tex_surface(
636e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->pipe->screen, idct->textures.individual.intermediate, 0, 0, 0,
637e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
638e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
639e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->surfaces.destination = idct->pipe->screen->get_tex_surface(
640e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      idct->pipe->screen, idct->destination, 0, 0, 0,
641e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König      PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
642e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
643e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   init_constants(idct);
644508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   xfer_buffers_map(idct);
645508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
646508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   return true;
647508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
648508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
64903c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvoid
65003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvl_idct_cleanup(struct vl_idct *idct)
651508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
652e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->pipe->screen->tex_surface_destroy(idct->surfaces.destination);
653e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->pipe->screen->tex_surface_destroy(idct->surfaces.intermediate);
654e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
655508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   cleanup_shaders(idct);
656508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   cleanup_buffers(idct);
657e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
658e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   cleanup_state(idct);
659e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
660e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   pipe_resource_reference(&idct->destination, NULL);
661508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
662508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
66303c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvoid
66403c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvl_idct_add_block(struct vl_idct *idct, unsigned x, unsigned y, short *block)
665508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
66695febb69cc333dad75c0f2da19dd85f444281ad2Christian König   struct vertex2f v, *v_dst;
667e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
668508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   unsigned tex_pitch;
669508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   short *texels;
670e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
671508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   unsigned i;
672508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
673508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   assert(idct);
674e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
67503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   if(block) {
67695febb69cc333dad75c0f2da19dd85f444281ad2Christian König      tex_pitch = idct->tex_transfer->stride / util_format_get_blocksize(idct->tex_transfer->resource->format);
67795febb69cc333dad75c0f2da19dd85f444281ad2Christian König      texels = idct->texels + y * tex_pitch * BLOCK_HEIGHT + x * BLOCK_WIDTH;
67803c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
67903c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      for (i = 0; i < BLOCK_HEIGHT; ++i)
68003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König         memcpy(texels + i * tex_pitch, block + i * BLOCK_WIDTH, BLOCK_WIDTH * 2);
681e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
68295febb69cc333dad75c0f2da19dd85f444281ad2Christian König      /* non empty blocks fills the vector buffer from left to right */
68395febb69cc333dad75c0f2da19dd85f444281ad2Christian König      v_dst = idct->vectors + idct->num_blocks * 4;
68495febb69cc333dad75c0f2da19dd85f444281ad2Christian König
68503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->num_blocks++;
68695febb69cc333dad75c0f2da19dd85f444281ad2Christian König
68703c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   } else {
68895febb69cc333dad75c0f2da19dd85f444281ad2Christian König
68995febb69cc333dad75c0f2da19dd85f444281ad2Christian König      /* while empty blocks fills the vector buffer from right to left */
69095febb69cc333dad75c0f2da19dd85f444281ad2Christian König      v_dst = idct->vectors + (idct->max_blocks - idct->num_empty_blocks) * 4 - 4;
69195febb69cc333dad75c0f2da19dd85f444281ad2Christian König
69295febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->num_empty_blocks++;
69395febb69cc333dad75c0f2da19dd85f444281ad2Christian König   }
69495febb69cc333dad75c0f2da19dd85f444281ad2Christian König
69595febb69cc333dad75c0f2da19dd85f444281ad2Christian König   v.x = x;
69695febb69cc333dad75c0f2da19dd85f444281ad2Christian König   v.y = y;
69795febb69cc333dad75c0f2da19dd85f444281ad2Christian König
69895febb69cc333dad75c0f2da19dd85f444281ad2Christian König   for (i = 0; i < 4; ++i) {
69995febb69cc333dad75c0f2da19dd85f444281ad2Christian König      v_dst[i] = v;
70003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   }
701508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
702508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König
70303c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvoid
70403c5a0ea5cd5b3e5931d6784749f87789a016b98Christian Königvl_idct_flush(struct vl_idct *idct)
705508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König{
706508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   xfer_buffers_unmap(idct);
707e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
708e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->pipe->set_constant_buffer(idct->pipe, PIPE_SHADER_VERTEX, 0, idct->vs_const_buf);
709e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
71003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   if(idct->num_blocks > 0) {
71103c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
71203c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      /* first stage */
71303c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->fb_state.cbufs[0] = idct->surfaces.intermediate;
71403c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->set_framebuffer_state(idct->pipe, &idct->fb_state);
71503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->set_viewport_state(idct->pipe, &idct->viewport);
71603c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
71703c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->set_vertex_buffers(idct->pipe, 2, idct->vertex_bufs.all);
71803c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->bind_vertex_elements_state(idct->pipe, idct->vertex_elems_state);
7192c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König      idct->pipe->set_fragment_sampler_views(idct->pipe, 2, idct->sampler_views.stage[0]);
7202c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König      idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers.stage[0]);
72103c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->bind_vs_state(idct->pipe, idct->vs);
72203c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->bind_fs_state(idct->pipe, idct->transpose_fs);
72303c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
72403c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS, 0, idct->num_blocks * 4);
72503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
72603c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      /* second stage */
72703c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->fb_state.cbufs[0] = idct->surfaces.destination;
72803c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->set_framebuffer_state(idct->pipe, &idct->fb_state);
72903c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->set_viewport_state(idct->pipe, &idct->viewport);
73003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
73103c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->set_vertex_buffers(idct->pipe, 2, idct->vertex_bufs.all);
73203c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->bind_vertex_elements_state(idct->pipe, idct->vertex_elems_state);
7332c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König      idct->pipe->set_fragment_sampler_views(idct->pipe, 2, idct->sampler_views.stage[1]);
7342c9db2484b7c1cec7a3a629f70a5aa840e16268eChristian König      idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers.stage[1]);
73503c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->bind_vs_state(idct->pipe, idct->vs);
73603c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      idct->pipe->bind_fs_state(idct->pipe, idct->matrix_fs);
73703c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
73803c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König      util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS, 0, idct->num_blocks * 4);
73995febb69cc333dad75c0f2da19dd85f444281ad2Christian König   }
74003c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König
74195febb69cc333dad75c0f2da19dd85f444281ad2Christian König   if(idct->num_empty_blocks > 0) {
74295febb69cc333dad75c0f2da19dd85f444281ad2Christian König
74395febb69cc333dad75c0f2da19dd85f444281ad2Christian König      /* empty block handling */
74495febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->fb_state.cbufs[0] = idct->surfaces.destination;
74595febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->set_framebuffer_state(idct->pipe, &idct->fb_state);
74695febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->set_viewport_state(idct->pipe, &idct->viewport);
74795febb69cc333dad75c0f2da19dd85f444281ad2Christian König
74895febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->set_vertex_buffers(idct->pipe, 2, idct->vertex_bufs.all);
74995febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->bind_vertex_elements_state(idct->pipe, idct->vertex_elems_state);
75095febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->set_fragment_sampler_views(idct->pipe, 4, idct->sampler_views.all);
75195febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->bind_fragment_sampler_states(idct->pipe, 4, idct->samplers.all);
75295febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->bind_vs_state(idct->pipe, idct->vs);
75395febb69cc333dad75c0f2da19dd85f444281ad2Christian König      idct->pipe->bind_fs_state(idct->pipe, idct->eb_fs);
75495febb69cc333dad75c0f2da19dd85f444281ad2Christian König
75595febb69cc333dad75c0f2da19dd85f444281ad2Christian König      util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS,
75695febb69cc333dad75c0f2da19dd85f444281ad2Christian König         (idct->max_blocks - idct->num_empty_blocks) * 4,
75795febb69cc333dad75c0f2da19dd85f444281ad2Christian König         idct->num_empty_blocks * 4);
75803c5a0ea5cd5b3e5931d6784749f87789a016b98Christian König   }
759e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König
760e639e1b83ea65985cd84d12dc120d77cab80ba9eChristian König   idct->num_blocks = 0;
76195febb69cc333dad75c0f2da19dd85f444281ad2Christian König   idct->num_empty_blocks = 0;
762508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König   xfer_buffers_map(idct);
763508a4a056c3140dc1f90b93acd46c06c30f7094eChristian König}
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