forked from xbmc/xbmc
/
YUV2RGBShader.cpp
424 lines (367 loc) · 12.7 KB
/
YUV2RGBShader.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
/*
* XBMC Media Center
* Shader Classes
* Copyright (c) 2007 d4rk
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "system.h"
#include "../RenderFlags.h"
#include "YUV2RGBShader.h"
#include "settings/AdvancedSettings.h"
#include "guilib/TransformMatrix.h"
#include "utils/log.h"
#if defined(HAS_GL) || defined(HAS_GLES)
#include "utils/GLUtils.h"
#endif
#include "cores/VideoRenderers/RenderFormats.h"
#include <string>
#include <sstream>
// http://www.martinreddy.net/gfx/faqs/colorconv.faq
//
// Transformation matrixes for different colorspaces.
//
static float yuv_coef_bt601[4][4] =
{
{ 1.0f, 1.0f, 1.0f, 0.0f },
{ 0.0f, -0.344f, 1.773f, 0.0f },
{ 1.403f, -0.714f, 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.0f, 0.0f }
};
static float yuv_coef_bt709[4][4] =
{
{ 1.0f, 1.0f, 1.0f, 0.0f },
{ 0.0f, -0.1870f, 1.8556f, 0.0f },
{ 1.5701f, -0.4664f, 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.0f, 0.0f }
};
static float yuv_coef_ebu[4][4] =
{
{ 1.0f, 1.0f, 1.0f, 0.0f },
{ 0.0f, -0.3960f, 2.029f, 0.0f },
{ 1.140f, -0.581f, 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.0f, 0.0f }
};
static float yuv_coef_smtp240m[4][4] =
{
{ 1.0f, 1.0f, 1.0f, 0.0f },
{ 0.0f, -0.2253f, 1.8270f, 0.0f },
{ 1.5756f, -0.5000f, 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.0f, 0.0f }
};
static float** PickYUVConversionMatrix(unsigned flags)
{
// Pick the matrix.
switch(CONF_FLAGS_YUVCOEF_MASK(flags))
{
case CONF_FLAGS_YUVCOEF_240M:
return (float**)yuv_coef_smtp240m; break;
case CONF_FLAGS_YUVCOEF_BT709:
return (float**)yuv_coef_bt709; break;
case CONF_FLAGS_YUVCOEF_BT601:
return (float**)yuv_coef_bt601; break;
case CONF_FLAGS_YUVCOEF_EBU:
return (float**)yuv_coef_ebu; break;
}
return (float**)yuv_coef_bt601;
}
void CalculateYUVMatrix(TransformMatrix &matrix
, unsigned int flags
, ERenderFormat format
, float black
, float contrast)
{
TransformMatrix coef;
matrix *= TransformMatrix::CreateScaler(contrast, contrast, contrast);
matrix *= TransformMatrix::CreateTranslation(black, black, black);
float (*conv)[4] = (float (*)[4])PickYUVConversionMatrix(flags);
for(int row = 0; row < 3; row++)
for(int col = 0; col < 4; col++)
coef.m[row][col] = conv[col][row];
coef.identity = false;
matrix *= coef;
matrix *= TransformMatrix::CreateTranslation(0.0, -0.5, -0.5);
if (!(flags & CONF_FLAGS_YUV_FULLRANGE))
{
matrix *= TransformMatrix::CreateScaler(255.0f / (235 - 16)
, 255.0f / (240 - 16)
, 255.0f / (240 - 16));
matrix *= TransformMatrix::CreateTranslation(- 16.0f / 255
, - 16.0f / 255
, - 16.0f / 255);
}
if(format == RENDER_FMT_YUV420P10)
{
matrix *= TransformMatrix::CreateScaler(65535.0f / 1023.0f
, 65535.0f / 1023.0f
, 65535.0f / 1023.0f);
}
}
#if defined(HAS_GL) || HAS_GLES == 2
using namespace Shaders;
using namespace std;
static void CalculateYUVMatrixGL(GLfloat res[4][4]
, unsigned int flags
, ERenderFormat format
, float black
, float contrast)
{
TransformMatrix matrix;
CalculateYUVMatrix(matrix, flags, format, black, contrast);
for(int row = 0; row < 3; row++)
for(int col = 0; col < 4; col++)
res[col][row] = matrix.m[row][col];
res[0][3] = 0.0f;
res[1][3] = 0.0f;
res[2][3] = 0.0f;
res[3][3] = 1.0f;
}
//////////////////////////////////////////////////////////////////////
// BaseYUV2RGBGLSLShader - base class for GLSL YUV2RGB shaders
//////////////////////////////////////////////////////////////////////
BaseYUV2RGBGLSLShader::BaseYUV2RGBGLSLShader(bool rect, unsigned flags, ERenderFormat format, bool stretch)
{
m_width = 1;
m_height = 1;
m_field = 0;
m_flags = flags;
m_format = format;
m_black = 0.0f;
m_contrast = 1.0f;
m_stretch = 0.0f;
// shader attribute handles
m_hYTex = -1;
m_hUTex = -1;
m_hVTex = -1;
m_hStretch = -1;
m_hStep = -1;
#ifdef HAS_GL
if(rect)
m_defines += "#define XBMC_texture_rectangle 1\n";
else
m_defines += "#define XBMC_texture_rectangle 0\n";
if(g_advancedSettings.m_GLRectangleHack)
m_defines += "#define XBMC_texture_rectangle_hack 1\n";
else
m_defines += "#define XBMC_texture_rectangle_hack 0\n";
//don't compile in stretch support when it's not needed
if (stretch)
m_defines += "#define XBMC_STRETCH 1\n";
else
m_defines += "#define XBMC_STRETCH 0\n";
if (m_format == RENDER_FMT_YUV420P ||
m_format == RENDER_FMT_YUV420P10 ||
m_format == RENDER_FMT_YUV420P16)
m_defines += "#define XBMC_YV12\n";
else if (m_format == RENDER_FMT_NV12)
m_defines += "#define XBMC_NV12\n";
else if (m_format == RENDER_FMT_YUYV422)
m_defines += "#define XBMC_YUY2\n";
else if (m_format == RENDER_FMT_UYVY422)
m_defines += "#define XBMC_UYVY\n";
else if (m_format == RENDER_FMT_Y_UV)
m_defines += "#define XBMC_Y_UV";
else if (m_format == RENDER_FMT_Y_U_V)
m_defines += "#define XBMC_Y_U_V";
else
CLog::Log(LOGERROR, "GL: BaseYUV2RGBGLSLShader - unsupported format %d", m_format);
VertexShader()->LoadSource("yuv2rgb_vertex.glsl", m_defines);
#elif HAS_GLES == 2
m_hVertex = -1;
m_hYcoord = -1;
m_hUcoord = -1;
m_hVcoord = -1;
m_hProj = -1;
m_hModel = -1;
m_hAlpha = -1;
if (m_format == RENDER_FMT_YUV420P ||
m_format == RENDER_FMT_YUV420P10 ||
m_format == RENDER_FMT_YUV420P16)
m_defines += "#define XBMC_YV12\n";
else if (m_format == RENDER_FMT_Y_UV)
m_defines += "#define XBMC_Y_UV";
else if (m_format == RENDER_FMT_Y_U_V)
m_defines += "#define XBMC_Y_U_V";
else
CLog::Log(LOGERROR, "GL: BaseYUV2RGBGLSLShader - unsupported format %d", m_format);
VertexShader()->LoadSource("yuv2rgb_vertex_gles.glsl", m_defines);
#endif
CLog::Log(LOGDEBUG, "GL: BaseYUV2RGBGLSLShader: defines:\n%s", m_defines.c_str());
}
void BaseYUV2RGBGLSLShader::OnCompiledAndLinked()
{
#if HAS_GLES == 2
m_hVertex = glGetAttribLocation(ProgramHandle(), "m_attrpos");
m_hYcoord = glGetAttribLocation(ProgramHandle(), "m_attrcordY");
m_hUcoord = glGetAttribLocation(ProgramHandle(), "m_attrcordU");
m_hVcoord = glGetAttribLocation(ProgramHandle(), "m_attrcordV");
m_hProj = glGetUniformLocation(ProgramHandle(), "m_proj");
m_hModel = glGetUniformLocation(ProgramHandle(), "m_model");
m_hAlpha = glGetUniformLocation(ProgramHandle(), "m_alpha");
#endif
m_hYTex = glGetUniformLocation(ProgramHandle(), "m_sampY");
m_hUTex = glGetUniformLocation(ProgramHandle(), "m_sampU");
m_hVTex = glGetUniformLocation(ProgramHandle(), "m_sampV");
m_hMatrix = glGetUniformLocation(ProgramHandle(), "m_yuvmat");
m_hStretch = glGetUniformLocation(ProgramHandle(), "m_stretch");
m_hStep = glGetUniformLocation(ProgramHandle(), "m_step");
VerifyGLState();
}
bool BaseYUV2RGBGLSLShader::OnEnabled()
{
// set shader attributes once enabled
glUniform1i(m_hYTex, 0);
switch (m_format)
{
//case RENDER_FMT_NV12:
case RENDER_FMT_Y_UV:
glUniform1i(m_hUTex, 1);
glUniform1i(m_hVTex, 1);
break;
default:
glUniform1i(m_hUTex, 1);
glUniform1i(m_hVTex, 2);
break;
}
glUniform1f(m_hStretch, m_stretch);
glUniform2f(m_hStep, 1.0 / m_width, 1.0 / m_height);
GLfloat matrix[4][4];
CalculateYUVMatrixGL(matrix, m_flags, m_format, m_black, m_contrast);
glUniformMatrix4fv(m_hMatrix, 1, GL_FALSE, (GLfloat*)matrix);
#if HAS_GLES == 2
glUniformMatrix4fv(m_hProj, 1, GL_FALSE, m_proj);
glUniformMatrix4fv(m_hModel, 1, GL_FALSE, m_model);
glUniform1f(m_hAlpha, m_alpha);
#endif
VerifyGLState();
return true;
}
//////////////////////////////////////////////////////////////////////
// BaseYUV2RGBGLSLShader - base class for GLSL YUV2RGB shaders
//////////////////////////////////////////////////////////////////////
#if HAS_GLES != 2 // No ARB Shader when using GLES2.0
BaseYUV2RGBARBShader::BaseYUV2RGBARBShader(unsigned flags, ERenderFormat format)
{
m_width = 1;
m_height = 1;
m_field = 0;
m_flags = flags;
m_format = format;
// shader attribute handles
m_hYTex = -1;
m_hUTex = -1;
m_hVTex = -1;
}
#endif
//////////////////////////////////////////////////////////////////////
// YUV2RGBProgressiveShader - YUV2RGB with no deinterlacing
// Use for weave deinterlacing / progressive
//////////////////////////////////////////////////////////////////////
YUV2RGBProgressiveShader::YUV2RGBProgressiveShader(bool rect, unsigned flags, ERenderFormat format, bool stretch)
: BaseYUV2RGBGLSLShader(rect, flags, format, stretch)
{
#ifdef HAS_GL
PixelShader()->LoadSource("yuv2rgb_basic.glsl", m_defines);
#elif HAS_GLES == 2
PixelShader()->LoadSource("yuv2rgb_basic_gles.glsl", m_defines);
#endif
}
//////////////////////////////////////////////////////////////////////
// YUV2RGBBobShader - YUV2RGB with Bob deinterlacing
//////////////////////////////////////////////////////////////////////
YUV2RGBBobShader::YUV2RGBBobShader(bool rect, unsigned flags, ERenderFormat format)
: BaseYUV2RGBGLSLShader(rect, flags, format, false)
{
m_hStepX = -1;
m_hStepY = -1;
m_hField = -1;
#ifdef HAS_GL
PixelShader()->LoadSource("yuv2rgb_bob.glsl", m_defines);
#elif HAS_GLES == 2
PixelShader()->LoadSource("yuv2rgb_bob_gles.glsl", m_defines);
#endif
}
void YUV2RGBBobShader::OnCompiledAndLinked()
{
BaseYUV2RGBGLSLShader::OnCompiledAndLinked();
m_hStepX = glGetUniformLocation(ProgramHandle(), "m_stepX");
m_hStepY = glGetUniformLocation(ProgramHandle(), "m_stepY");
m_hField = glGetUniformLocation(ProgramHandle(), "m_field");
VerifyGLState();
}
bool YUV2RGBBobShader::OnEnabled()
{
if(!BaseYUV2RGBGLSLShader::OnEnabled())
return false;
glUniform1i(m_hField, m_field);
glUniform1f(m_hStepX, 1.0f / (float)m_width);
glUniform1f(m_hStepY, 1.0f / (float)m_height);
VerifyGLState();
return true;
}
//////////////////////////////////////////////////////////////////////
// YUV2RGBProgressiveShaderARB - YUV2RGB with no deinterlacing
//////////////////////////////////////////////////////////////////////
#if HAS_GLES != 2 // No ARB Shader when using GLES2.0
YUV2RGBProgressiveShaderARB::YUV2RGBProgressiveShaderARB(bool rect, unsigned flags, ERenderFormat format)
: BaseYUV2RGBARBShader(flags, format)
{
m_black = 0.0f;
m_contrast = 1.0f;
string shaderfile;
if (m_format == RENDER_FMT_YUYV422)
{
if(rect)
shaderfile = "yuv2rgb_basic_rect_YUY2.arb";
else
shaderfile = "yuv2rgb_basic_2d_YUY2.arb";
}
else if (m_format == RENDER_FMT_UYVY422)
{
if(rect)
shaderfile = "yuv2rgb_basic_rect_UYVY.arb";
else
shaderfile = "yuv2rgb_basic_2d_UYVY.arb";
}
else
{
if(rect)
shaderfile = "yuv2rgb_basic_rect.arb";
else
shaderfile = "yuv2rgb_basic_2d.arb";
}
CLog::Log(LOGDEBUG, "GL: YUV2RGBProgressiveShaderARB: loading %s", shaderfile.c_str());
PixelShader()->LoadSource(shaderfile);
}
void YUV2RGBProgressiveShaderARB::OnCompiledAndLinked()
{
}
bool YUV2RGBProgressiveShaderARB::OnEnabled()
{
GLfloat matrix[4][4];
CalculateYUVMatrixGL(matrix, m_flags, m_format, m_black, m_contrast);
for(int i=0;i<4;i++)
glProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, i
, matrix[0][i]
, matrix[1][i]
, matrix[2][i]
, matrix[3][i]);
glProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 4,
1.0 / m_width, 1.0 / m_height,
m_width, m_height);
return true;
}
#endif
#endif // HAS_GL