1 /**************************************************************************
3 * Copyright 2009 Younes Manton.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 #include "pipe/p_compiler.h"
31 #include "pipe/p_context.h"
33 #include "util/u_memory.h"
34 #include "util/u_draw.h"
35 #include "util/u_surface.h"
36 #include "util/u_upload_mgr.h"
38 #include "tgsi/tgsi_ureg.h"
42 #include "vl_compositor.h"
45 #define MAX_DIRTY (1 << 15)
57 create_vert_shader(struct vl_compositor
*c
)
59 struct ureg_program
*shader
;
60 struct ureg_src vpos
, vtex
, color
;
62 struct ureg_dst o_vpos
, o_vtex
, o_color
;
63 struct ureg_dst o_vtop
, o_vbottom
;
65 shader
= ureg_create(PIPE_SHADER_VERTEX
);
69 vpos
= ureg_DECL_vs_input(shader
, 0);
70 vtex
= ureg_DECL_vs_input(shader
, 1);
71 color
= ureg_DECL_vs_input(shader
, 2);
72 tmp
= ureg_DECL_temporary(shader
);
73 o_vpos
= ureg_DECL_output(shader
, TGSI_SEMANTIC_POSITION
, VS_O_VPOS
);
74 o_color
= ureg_DECL_output(shader
, TGSI_SEMANTIC_COLOR
, VS_O_COLOR
);
75 o_vtex
= ureg_DECL_output(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VTEX
);
76 o_vtop
= ureg_DECL_output(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VTOP
);
77 o_vbottom
= ureg_DECL_output(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VBOTTOM
);
84 ureg_MOV(shader
, o_vpos
, vpos
);
85 ureg_MOV(shader
, o_vtex
, vtex
);
86 ureg_MOV(shader
, o_color
, color
);
93 * o_vtop.y = vtex.y * tmp.x + 0.25f
94 * o_vtop.z = vtex.y * tmp.y + 0.25f
95 * o_vtop.w = 1 / tmp.x
97 * o_vbottom.x = vtex.x
98 * o_vbottom.y = vtex.y * tmp.x - 0.25f
99 * o_vbottom.z = vtex.y * tmp.y - 0.25f
100 * o_vbottom.w = 1 / tmp.y
102 ureg_MUL(shader
, ureg_writemask(tmp
, TGSI_WRITEMASK_X
),
103 ureg_scalar(vtex
, TGSI_SWIZZLE_W
), ureg_imm1f(shader
, 0.5f
));
104 ureg_MUL(shader
, ureg_writemask(tmp
, TGSI_WRITEMASK_Y
),
105 ureg_scalar(vtex
, TGSI_SWIZZLE_W
), ureg_imm1f(shader
, 0.25f
));
107 ureg_MOV(shader
, ureg_writemask(o_vtop
, TGSI_WRITEMASK_X
), vtex
);
108 ureg_MAD(shader
, ureg_writemask(o_vtop
, TGSI_WRITEMASK_Y
), ureg_scalar(vtex
, TGSI_SWIZZLE_Y
),
109 ureg_scalar(ureg_src(tmp
), TGSI_SWIZZLE_X
), ureg_imm1f(shader
, 0.25f
));
110 ureg_MAD(shader
, ureg_writemask(o_vtop
, TGSI_WRITEMASK_Z
), ureg_scalar(vtex
, TGSI_SWIZZLE_Y
),
111 ureg_scalar(ureg_src(tmp
), TGSI_SWIZZLE_Y
), ureg_imm1f(shader
, 0.25f
));
112 ureg_RCP(shader
, ureg_writemask(o_vtop
, TGSI_WRITEMASK_W
),
113 ureg_scalar(ureg_src(tmp
), TGSI_SWIZZLE_X
));
115 ureg_MOV(shader
, ureg_writemask(o_vbottom
, TGSI_WRITEMASK_X
), vtex
);
116 ureg_MAD(shader
, ureg_writemask(o_vbottom
, TGSI_WRITEMASK_Y
), ureg_scalar(vtex
, TGSI_SWIZZLE_Y
),
117 ureg_scalar(ureg_src(tmp
), TGSI_SWIZZLE_X
), ureg_imm1f(shader
, -0.25f
));
118 ureg_MAD(shader
, ureg_writemask(o_vbottom
, TGSI_WRITEMASK_Z
), ureg_scalar(vtex
, TGSI_SWIZZLE_Y
),
119 ureg_scalar(ureg_src(tmp
), TGSI_SWIZZLE_Y
), ureg_imm1f(shader
, -0.25f
));
120 ureg_RCP(shader
, ureg_writemask(o_vbottom
, TGSI_WRITEMASK_W
),
121 ureg_scalar(ureg_src(tmp
), TGSI_SWIZZLE_Y
));
125 return ureg_create_shader_and_destroy(shader
, c
->pipe
);
129 create_frag_shader_weave(struct ureg_program
*shader
, struct ureg_dst fragment
)
131 struct ureg_src i_tc
[2];
132 struct ureg_src sampler
[3];
133 struct ureg_dst t_tc
[2];
134 struct ureg_dst t_texel
[2];
137 i_tc
[0] = ureg_DECL_fs_input(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VTOP
, TGSI_INTERPOLATE_LINEAR
);
138 i_tc
[1] = ureg_DECL_fs_input(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VBOTTOM
, TGSI_INTERPOLATE_LINEAR
);
140 for (i
= 0; i
< 3; ++i
) {
141 sampler
[i
] = ureg_DECL_sampler(shader
, i
);
142 ureg_DECL_sampler_view(shader
, i
, TGSI_TEXTURE_2D_ARRAY
,
143 TGSI_RETURN_TYPE_FLOAT
,
144 TGSI_RETURN_TYPE_FLOAT
,
145 TGSI_RETURN_TYPE_FLOAT
,
146 TGSI_RETURN_TYPE_FLOAT
);
149 for (i
= 0; i
< 2; ++i
) {
150 t_tc
[i
] = ureg_DECL_temporary(shader
);
151 t_texel
[i
] = ureg_DECL_temporary(shader
);
154 /* calculate the texture offsets
156 * t_tc.y = (round(i_tc.y - 0.5) + 0.5) / height * 2
158 for (i
= 0; i
< 2; ++i
) {
159 ureg_MOV(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_X
), i_tc
[i
]);
160 ureg_ADD(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_YZ
),
161 i_tc
[i
], ureg_imm1f(shader
, -0.5f
));
162 ureg_ROUND(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_YZ
), ureg_src(t_tc
[i
]));
163 ureg_MOV(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_W
),
164 ureg_imm1f(shader
, i
? 1.0f
: 0.0f
));
165 ureg_ADD(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_YZ
),
166 ureg_src(t_tc
[i
]), ureg_imm1f(shader
, 0.5f
));
167 ureg_MUL(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_Y
),
168 ureg_src(t_tc
[i
]), ureg_scalar(i_tc
[0], TGSI_SWIZZLE_W
));
169 ureg_MUL(shader
, ureg_writemask(t_tc
[i
], TGSI_WRITEMASK_Z
),
170 ureg_src(t_tc
[i
]), ureg_scalar(i_tc
[1], TGSI_SWIZZLE_W
));
174 * texel[0..1].x = tex(t_tc[0..1][0])
175 * texel[0..1].y = tex(t_tc[0..1][1])
176 * texel[0..1].z = tex(t_tc[0..1][2])
178 for (i
= 0; i
< 2; ++i
)
179 for (j
= 0; j
< 3; ++j
) {
180 struct ureg_src src
= ureg_swizzle(ureg_src(t_tc
[i
]),
181 TGSI_SWIZZLE_X
, j
? TGSI_SWIZZLE_Z
: TGSI_SWIZZLE_Y
, TGSI_SWIZZLE_W
, TGSI_SWIZZLE_W
);
183 ureg_TEX(shader
, ureg_writemask(t_texel
[i
], TGSI_WRITEMASK_X
<< j
),
184 TGSI_TEXTURE_2D_ARRAY
, src
, sampler
[j
]);
187 /* calculate linear interpolation factor
188 * factor = |round(i_tc.y) - i_tc.y| * 2
190 ureg_ROUND(shader
, ureg_writemask(t_tc
[0], TGSI_WRITEMASK_YZ
), i_tc
[0]);
191 ureg_ADD(shader
, ureg_writemask(t_tc
[0], TGSI_WRITEMASK_YZ
),
192 ureg_src(t_tc
[0]), ureg_negate(i_tc
[0]));
193 ureg_MUL(shader
, ureg_writemask(t_tc
[0], TGSI_WRITEMASK_YZ
),
194 ureg_abs(ureg_src(t_tc
[0])), ureg_imm1f(shader
, 2.0f
));
195 ureg_LRP(shader
, fragment
, ureg_swizzle(ureg_src(t_tc
[0]),
196 TGSI_SWIZZLE_Y
, TGSI_SWIZZLE_Z
, TGSI_SWIZZLE_Z
, TGSI_SWIZZLE_Z
),
197 ureg_src(t_texel
[0]), ureg_src(t_texel
[1]));
199 for (i
= 0; i
< 2; ++i
) {
200 ureg_release_temporary(shader
, t_texel
[i
]);
201 ureg_release_temporary(shader
, t_tc
[i
]);
206 create_frag_shader_csc(struct ureg_program
*shader
, struct ureg_dst texel
,
207 struct ureg_dst fragment
)
209 struct ureg_src csc
[3];
210 struct ureg_src lumakey
;
211 struct ureg_dst temp
[2];
214 for (i
= 0; i
< 3; ++i
)
215 csc
[i
] = ureg_DECL_constant(shader
, i
);
217 lumakey
= ureg_DECL_constant(shader
, 3);
219 for (i
= 0; i
< 2; ++i
)
220 temp
[i
] = ureg_DECL_temporary(shader
);
222 ureg_MOV(shader
, ureg_writemask(texel
, TGSI_WRITEMASK_W
),
223 ureg_imm1f(shader
, 1.0f
));
225 for (i
= 0; i
< 3; ++i
)
226 ureg_DP4(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_X
<< i
), csc
[i
],
229 ureg_MOV(shader
, ureg_writemask(temp
[0], TGSI_WRITEMASK_W
),
230 ureg_scalar(ureg_src(texel
), TGSI_SWIZZLE_Z
));
231 ureg_SLE(shader
, ureg_writemask(temp
[1],TGSI_WRITEMASK_W
),
232 ureg_src(temp
[0]), ureg_scalar(lumakey
, TGSI_SWIZZLE_X
));
233 ureg_SGT(shader
, ureg_writemask(temp
[0],TGSI_WRITEMASK_W
),
234 ureg_src(temp
[0]), ureg_scalar(lumakey
, TGSI_SWIZZLE_Y
));
235 ureg_MAX(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_W
),
236 ureg_src(temp
[0]), ureg_src(temp
[1]));
238 for (i
= 0; i
< 2; ++i
)
239 ureg_release_temporary(shader
, temp
[i
]);
243 create_frag_shader_video_buffer(struct vl_compositor
*c
)
245 struct ureg_program
*shader
;
247 struct ureg_src sampler
[3];
248 struct ureg_dst texel
;
249 struct ureg_dst fragment
;
252 shader
= ureg_create(PIPE_SHADER_FRAGMENT
);
256 tc
= ureg_DECL_fs_input(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VTEX
, TGSI_INTERPOLATE_LINEAR
);
257 for (i
= 0; i
< 3; ++i
) {
258 sampler
[i
] = ureg_DECL_sampler(shader
, i
);
259 ureg_DECL_sampler_view(shader
, i
, TGSI_TEXTURE_2D_ARRAY
,
260 TGSI_RETURN_TYPE_FLOAT
,
261 TGSI_RETURN_TYPE_FLOAT
,
262 TGSI_RETURN_TYPE_FLOAT
,
263 TGSI_RETURN_TYPE_FLOAT
);
266 texel
= ureg_DECL_temporary(shader
);
267 fragment
= ureg_DECL_output(shader
, TGSI_SEMANTIC_COLOR
, 0);
270 * texel.xyz = tex(tc, sampler[i])
271 * fragment = csc * texel
273 for (i
= 0; i
< 3; ++i
)
274 ureg_TEX(shader
, ureg_writemask(texel
, TGSI_WRITEMASK_X
<< i
), TGSI_TEXTURE_2D_ARRAY
, tc
, sampler
[i
]);
276 create_frag_shader_csc(shader
, texel
, fragment
);
278 ureg_release_temporary(shader
, texel
);
281 return ureg_create_shader_and_destroy(shader
, c
->pipe
);
285 create_frag_shader_weave_rgb(struct vl_compositor
*c
)
287 struct ureg_program
*shader
;
288 struct ureg_dst texel
, fragment
;
290 shader
= ureg_create(PIPE_SHADER_FRAGMENT
);
294 texel
= ureg_DECL_temporary(shader
);
295 fragment
= ureg_DECL_output(shader
, TGSI_SEMANTIC_COLOR
, 0);
297 create_frag_shader_weave(shader
, texel
);
298 create_frag_shader_csc(shader
, texel
, fragment
);
300 ureg_release_temporary(shader
, texel
);
304 return ureg_create_shader_and_destroy(shader
, c
->pipe
);
308 create_frag_shader_weave_yuv(struct vl_compositor
*c
, bool y
)
310 struct ureg_program
*shader
;
311 struct ureg_dst texel
, fragment
;
313 shader
= ureg_create(PIPE_SHADER_FRAGMENT
);
317 texel
= ureg_DECL_temporary(shader
);
318 fragment
= ureg_DECL_output(shader
, TGSI_SEMANTIC_COLOR
, 0);
320 create_frag_shader_weave(shader
, texel
);
323 ureg_MOV(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_X
), ureg_src(texel
));
325 ureg_MOV(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_XY
),
326 ureg_swizzle(ureg_src(texel
), TGSI_SWIZZLE_Y
,
327 TGSI_SWIZZLE_Z
, TGSI_SWIZZLE_W
, TGSI_SWIZZLE_W
));
329 ureg_release_temporary(shader
, texel
);
333 return ureg_create_shader_and_destroy(shader
, c
->pipe
);
337 create_frag_shader_palette(struct vl_compositor
*c
, bool include_cc
)
339 struct ureg_program
*shader
;
340 struct ureg_src csc
[3];
342 struct ureg_src sampler
;
343 struct ureg_src palette
;
344 struct ureg_dst texel
;
345 struct ureg_dst fragment
;
348 shader
= ureg_create(PIPE_SHADER_FRAGMENT
);
352 for (i
= 0; include_cc
&& i
< 3; ++i
)
353 csc
[i
] = ureg_DECL_constant(shader
, i
);
355 tc
= ureg_DECL_fs_input(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VTEX
, TGSI_INTERPOLATE_LINEAR
);
356 sampler
= ureg_DECL_sampler(shader
, 0);
357 ureg_DECL_sampler_view(shader
, 0, TGSI_TEXTURE_2D
,
358 TGSI_RETURN_TYPE_FLOAT
,
359 TGSI_RETURN_TYPE_FLOAT
,
360 TGSI_RETURN_TYPE_FLOAT
,
361 TGSI_RETURN_TYPE_FLOAT
);
362 palette
= ureg_DECL_sampler(shader
, 1);
363 ureg_DECL_sampler_view(shader
, 1, TGSI_TEXTURE_1D
,
364 TGSI_RETURN_TYPE_FLOAT
,
365 TGSI_RETURN_TYPE_FLOAT
,
366 TGSI_RETURN_TYPE_FLOAT
,
367 TGSI_RETURN_TYPE_FLOAT
);
369 texel
= ureg_DECL_temporary(shader
);
370 fragment
= ureg_DECL_output(shader
, TGSI_SEMANTIC_COLOR
, 0);
373 * texel = tex(tc, sampler)
374 * fragment.xyz = tex(texel, palette) * csc
375 * fragment.a = texel.a
377 ureg_TEX(shader
, texel
, TGSI_TEXTURE_2D
, tc
, sampler
);
378 ureg_MOV(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_W
), ureg_src(texel
));
381 ureg_TEX(shader
, texel
, TGSI_TEXTURE_1D
, ureg_src(texel
), palette
);
382 for (i
= 0; i
< 3; ++i
)
383 ureg_DP4(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_X
<< i
), csc
[i
], ureg_src(texel
));
385 ureg_TEX(shader
, ureg_writemask(fragment
, TGSI_WRITEMASK_XYZ
),
386 TGSI_TEXTURE_1D
, ureg_src(texel
), palette
);
389 ureg_release_temporary(shader
, texel
);
392 return ureg_create_shader_and_destroy(shader
, c
->pipe
);
396 create_frag_shader_rgba(struct vl_compositor
*c
)
398 struct ureg_program
*shader
;
399 struct ureg_src tc
, color
, sampler
;
400 struct ureg_dst texel
, fragment
;
402 shader
= ureg_create(PIPE_SHADER_FRAGMENT
);
406 tc
= ureg_DECL_fs_input(shader
, TGSI_SEMANTIC_GENERIC
, VS_O_VTEX
, TGSI_INTERPOLATE_LINEAR
);
407 color
= ureg_DECL_fs_input(shader
, TGSI_SEMANTIC_COLOR
, VS_O_COLOR
, TGSI_INTERPOLATE_LINEAR
);
408 sampler
= ureg_DECL_sampler(shader
, 0);
409 ureg_DECL_sampler_view(shader
, 0, TGSI_TEXTURE_2D
,
410 TGSI_RETURN_TYPE_FLOAT
,
411 TGSI_RETURN_TYPE_FLOAT
,
412 TGSI_RETURN_TYPE_FLOAT
,
413 TGSI_RETURN_TYPE_FLOAT
);
414 texel
= ureg_DECL_temporary(shader
);
415 fragment
= ureg_DECL_output(shader
, TGSI_SEMANTIC_COLOR
, 0);
418 * fragment = tex(tc, sampler)
420 ureg_TEX(shader
, texel
, TGSI_TEXTURE_2D
, tc
, sampler
);
421 ureg_MUL(shader
, fragment
, ureg_src(texel
), color
);
424 return ureg_create_shader_and_destroy(shader
, c
->pipe
);
428 init_shaders(struct vl_compositor
*c
)
432 c
->vs
= create_vert_shader(c
);
434 debug_printf("Unable to create vertex shader.\n");
438 c
->fs_video_buffer
= create_frag_shader_video_buffer(c
);
439 if (!c
->fs_video_buffer
) {
440 debug_printf("Unable to create YCbCr-to-RGB fragment shader.\n");
444 c
->fs_weave_rgb
= create_frag_shader_weave_rgb(c
);
445 if (!c
->fs_weave_rgb
) {
446 debug_printf("Unable to create YCbCr-to-RGB weave fragment shader.\n");
450 c
->fs_weave_yuv
.y
= create_frag_shader_weave_yuv(c
, true);
451 c
->fs_weave_yuv
.uv
= create_frag_shader_weave_yuv(c
, false);
452 if (!c
->fs_weave_yuv
.y
|| !c
->fs_weave_yuv
.uv
) {
453 debug_printf("Unable to create YCbCr i-to-YCbCr p weave fragment shader.\n");
457 c
->fs_palette
.yuv
= create_frag_shader_palette(c
, true);
458 if (!c
->fs_palette
.yuv
) {
459 debug_printf("Unable to create YUV-Palette-to-RGB fragment shader.\n");
463 c
->fs_palette
.rgb
= create_frag_shader_palette(c
, false);
464 if (!c
->fs_palette
.rgb
) {
465 debug_printf("Unable to create RGB-Palette-to-RGB fragment shader.\n");
469 c
->fs_rgba
= create_frag_shader_rgba(c
);
471 debug_printf("Unable to create RGB-to-RGB fragment shader.\n");
478 static void cleanup_shaders(struct vl_compositor
*c
)
482 c
->pipe
->delete_vs_state(c
->pipe
, c
->vs
);
483 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_video_buffer
);
484 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_weave_rgb
);
485 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_weave_yuv
.y
);
486 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_weave_yuv
.uv
);
487 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_palette
.yuv
);
488 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_palette
.rgb
);
489 c
->pipe
->delete_fs_state(c
->pipe
, c
->fs_rgba
);
493 init_pipe_state(struct vl_compositor
*c
)
495 struct pipe_rasterizer_state rast
;
496 struct pipe_sampler_state sampler
;
497 struct pipe_blend_state blend
;
498 struct pipe_depth_stencil_alpha_state dsa
;
503 c
->fb_state
.nr_cbufs
= 1;
504 c
->fb_state
.zsbuf
= NULL
;
506 memset(&sampler
, 0, sizeof(sampler
));
507 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
508 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
509 sampler
.wrap_r
= PIPE_TEX_WRAP_REPEAT
;
510 sampler
.min_img_filter
= PIPE_TEX_FILTER_LINEAR
;
511 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
512 sampler
.mag_img_filter
= PIPE_TEX_FILTER_LINEAR
;
513 sampler
.compare_mode
= PIPE_TEX_COMPARE_NONE
;
514 sampler
.compare_func
= PIPE_FUNC_ALWAYS
;
515 sampler
.normalized_coords
= 1;
517 c
->sampler_linear
= c
->pipe
->create_sampler_state(c
->pipe
, &sampler
);
519 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
520 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
521 c
->sampler_nearest
= c
->pipe
->create_sampler_state(c
->pipe
, &sampler
);
523 memset(&blend
, 0, sizeof blend
);
524 blend
.independent_blend_enable
= 0;
525 blend
.rt
[0].blend_enable
= 0;
526 blend
.logicop_enable
= 0;
527 blend
.logicop_func
= PIPE_LOGICOP_CLEAR
;
528 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
530 c
->blend_clear
= c
->pipe
->create_blend_state(c
->pipe
, &blend
);
532 blend
.rt
[0].blend_enable
= 1;
533 blend
.rt
[0].rgb_func
= PIPE_BLEND_ADD
;
534 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
535 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
536 blend
.rt
[0].alpha_func
= PIPE_BLEND_ADD
;
537 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
538 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ONE
;
539 c
->blend_add
= c
->pipe
->create_blend_state(c
->pipe
, &blend
);
541 memset(&rast
, 0, sizeof rast
);
544 rast
.cull_face
= PIPE_FACE_NONE
;
545 rast
.fill_back
= PIPE_POLYGON_MODE_FILL
;
546 rast
.fill_front
= PIPE_POLYGON_MODE_FILL
;
549 rast
.point_size_per_vertex
= 1;
550 rast
.offset_units
= 1;
551 rast
.offset_scale
= 1;
552 rast
.half_pixel_center
= 1;
553 rast
.bottom_edge_rule
= 1;
556 c
->rast
= c
->pipe
->create_rasterizer_state(c
->pipe
, &rast
);
558 memset(&dsa
, 0, sizeof dsa
);
559 dsa
.depth
.enabled
= 0;
560 dsa
.depth
.writemask
= 0;
561 dsa
.depth
.func
= PIPE_FUNC_ALWAYS
;
562 for (i
= 0; i
< 2; ++i
) {
563 dsa
.stencil
[i
].enabled
= 0;
564 dsa
.stencil
[i
].func
= PIPE_FUNC_ALWAYS
;
565 dsa
.stencil
[i
].fail_op
= PIPE_STENCIL_OP_KEEP
;
566 dsa
.stencil
[i
].zpass_op
= PIPE_STENCIL_OP_KEEP
;
567 dsa
.stencil
[i
].zfail_op
= PIPE_STENCIL_OP_KEEP
;
568 dsa
.stencil
[i
].valuemask
= 0;
569 dsa
.stencil
[i
].writemask
= 0;
571 dsa
.alpha
.enabled
= 0;
572 dsa
.alpha
.func
= PIPE_FUNC_ALWAYS
;
573 dsa
.alpha
.ref_value
= 0;
574 c
->dsa
= c
->pipe
->create_depth_stencil_alpha_state(c
->pipe
, &dsa
);
575 c
->pipe
->bind_depth_stencil_alpha_state(c
->pipe
, c
->dsa
);
580 static void cleanup_pipe_state(struct vl_compositor
*c
)
584 /* Asserted in softpipe_delete_fs_state() for some reason */
585 c
->pipe
->bind_vs_state(c
->pipe
, NULL
);
586 c
->pipe
->bind_fs_state(c
->pipe
, NULL
);
588 c
->pipe
->delete_depth_stencil_alpha_state(c
->pipe
, c
->dsa
);
589 c
->pipe
->delete_sampler_state(c
->pipe
, c
->sampler_linear
);
590 c
->pipe
->delete_sampler_state(c
->pipe
, c
->sampler_nearest
);
591 c
->pipe
->delete_blend_state(c
->pipe
, c
->blend_clear
);
592 c
->pipe
->delete_blend_state(c
->pipe
, c
->blend_add
);
593 c
->pipe
->delete_rasterizer_state(c
->pipe
, c
->rast
);
597 init_buffers(struct vl_compositor
*c
)
599 struct pipe_vertex_element vertex_elems
[3];
604 * Create our vertex buffer and vertex buffer elements
606 c
->vertex_buf
.stride
= sizeof(struct vertex2f
) + sizeof(struct vertex4f
) * 2;
607 c
->vertex_buf
.buffer_offset
= 0;
608 c
->vertex_buf
.buffer
.resource
= NULL
;
609 c
->vertex_buf
.is_user_buffer
= false;
611 vertex_elems
[0].src_offset
= 0;
612 vertex_elems
[0].instance_divisor
= 0;
613 vertex_elems
[0].vertex_buffer_index
= 0;
614 vertex_elems
[0].src_format
= PIPE_FORMAT_R32G32_FLOAT
;
615 vertex_elems
[1].src_offset
= sizeof(struct vertex2f
);
616 vertex_elems
[1].instance_divisor
= 0;
617 vertex_elems
[1].vertex_buffer_index
= 0;
618 vertex_elems
[1].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
619 vertex_elems
[2].src_offset
= sizeof(struct vertex2f
) + sizeof(struct vertex4f
);
620 vertex_elems
[2].instance_divisor
= 0;
621 vertex_elems
[2].vertex_buffer_index
= 0;
622 vertex_elems
[2].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
623 c
->vertex_elems_state
= c
->pipe
->create_vertex_elements_state(c
->pipe
, 3, vertex_elems
);
629 cleanup_buffers(struct vl_compositor
*c
)
633 c
->pipe
->delete_vertex_elements_state(c
->pipe
, c
->vertex_elems_state
);
634 pipe_resource_reference(&c
->vertex_buf
.buffer
.resource
, NULL
);
637 static inline struct u_rect
638 default_rect(struct vl_compositor_layer
*layer
)
640 struct pipe_resource
*res
= layer
->sampler_views
[0]->texture
;
641 struct u_rect rect
= { 0, res
->width0
, 0, res
->height0
* res
->array_size
};
645 static inline struct vertex2f
646 calc_topleft(struct vertex2f size
, struct u_rect rect
)
648 struct vertex2f res
= { rect
.x0
/ size
.x
, rect
.y0
/ size
.y
};
652 static inline struct vertex2f
653 calc_bottomright(struct vertex2f size
, struct u_rect rect
)
655 struct vertex2f res
= { rect
.x1
/ size
.x
, rect
.y1
/ size
.y
};
660 calc_src_and_dst(struct vl_compositor_layer
*layer
, unsigned width
, unsigned height
,
661 struct u_rect src
, struct u_rect dst
)
663 struct vertex2f size
= { width
, height
};
665 layer
->src
.tl
= calc_topleft(size
, src
);
666 layer
->src
.br
= calc_bottomright(size
, src
);
667 layer
->dst
.tl
= calc_topleft(size
, dst
);
668 layer
->dst
.br
= calc_bottomright(size
, dst
);
670 layer
->zw
.y
= size
.y
;
674 gen_rect_verts(struct vertex2f
*vb
, struct vl_compositor_layer
*layer
)
676 struct vertex2f tl
, tr
, br
, bl
;
680 switch (layer
->rotate
) {
682 case VL_COMPOSITOR_ROTATE_0
:
684 tr
.x
= layer
->dst
.br
.x
;
685 tr
.y
= layer
->dst
.tl
.y
;
687 bl
.x
= layer
->dst
.tl
.x
;
688 bl
.y
= layer
->dst
.br
.y
;
690 case VL_COMPOSITOR_ROTATE_90
:
691 tl
.x
= layer
->dst
.br
.x
;
692 tl
.y
= layer
->dst
.tl
.y
;
694 br
.x
= layer
->dst
.tl
.x
;
695 br
.y
= layer
->dst
.br
.y
;
698 case VL_COMPOSITOR_ROTATE_180
:
700 tr
.x
= layer
->dst
.tl
.x
;
701 tr
.y
= layer
->dst
.br
.y
;
703 bl
.x
= layer
->dst
.br
.x
;
704 bl
.y
= layer
->dst
.tl
.y
;
706 case VL_COMPOSITOR_ROTATE_270
:
707 tl
.x
= layer
->dst
.tl
.x
;
708 tl
.y
= layer
->dst
.br
.y
;
710 br
.x
= layer
->dst
.br
.x
;
711 br
.y
= layer
->dst
.tl
.y
;
718 vb
[ 1].x
= layer
->src
.tl
.x
;
719 vb
[ 1].y
= layer
->src
.tl
.y
;
721 vb
[ 3].x
= layer
->colors
[0].x
;
722 vb
[ 3].y
= layer
->colors
[0].y
;
723 vb
[ 4].x
= layer
->colors
[0].z
;
724 vb
[ 4].y
= layer
->colors
[0].w
;
728 vb
[ 6].x
= layer
->src
.br
.x
;
729 vb
[ 6].y
= layer
->src
.tl
.y
;
731 vb
[ 8].x
= layer
->colors
[1].x
;
732 vb
[ 8].y
= layer
->colors
[1].y
;
733 vb
[ 9].x
= layer
->colors
[1].z
;
734 vb
[ 9].y
= layer
->colors
[1].w
;
738 vb
[11].x
= layer
->src
.br
.x
;
739 vb
[11].y
= layer
->src
.br
.y
;
741 vb
[13].x
= layer
->colors
[2].x
;
742 vb
[13].y
= layer
->colors
[2].y
;
743 vb
[14].x
= layer
->colors
[2].z
;
744 vb
[14].y
= layer
->colors
[2].w
;
748 vb
[16].x
= layer
->src
.tl
.x
;
749 vb
[16].y
= layer
->src
.br
.y
;
751 vb
[18].x
= layer
->colors
[3].x
;
752 vb
[18].y
= layer
->colors
[3].y
;
753 vb
[19].x
= layer
->colors
[3].z
;
754 vb
[19].y
= layer
->colors
[3].w
;
757 static inline struct u_rect
758 calc_drawn_area(struct vl_compositor_state
*s
, struct vl_compositor_layer
*layer
)
760 struct vertex2f tl
, br
;
761 struct u_rect result
;
766 switch (layer
->rotate
) {
768 case VL_COMPOSITOR_ROTATE_0
:
772 case VL_COMPOSITOR_ROTATE_90
:
773 tl
.x
= layer
->dst
.br
.x
;
774 tl
.y
= layer
->dst
.tl
.y
;
775 br
.x
= layer
->dst
.tl
.x
;
776 br
.y
= layer
->dst
.br
.y
;
778 case VL_COMPOSITOR_ROTATE_180
:
782 case VL_COMPOSITOR_ROTATE_270
:
783 tl
.x
= layer
->dst
.tl
.x
;
784 tl
.y
= layer
->dst
.br
.y
;
785 br
.x
= layer
->dst
.br
.x
;
786 br
.y
= layer
->dst
.tl
.y
;
791 result
.x0
= tl
.x
* layer
->viewport
.scale
[0] + layer
->viewport
.translate
[0];
792 result
.y0
= tl
.y
* layer
->viewport
.scale
[1] + layer
->viewport
.translate
[1];
793 result
.x1
= br
.x
* layer
->viewport
.scale
[0] + layer
->viewport
.translate
[0];
794 result
.y1
= br
.y
* layer
->viewport
.scale
[1] + layer
->viewport
.translate
[1];
797 result
.x0
= MAX2(result
.x0
, s
->scissor
.minx
);
798 result
.y0
= MAX2(result
.y0
, s
->scissor
.miny
);
799 result
.x1
= MIN2(result
.x1
, s
->scissor
.maxx
);
800 result
.y1
= MIN2(result
.y1
, s
->scissor
.maxy
);
805 gen_vertex_data(struct vl_compositor
*c
, struct vl_compositor_state
*s
, struct u_rect
*dirty
)
812 /* Allocate new memory for vertices. */
813 u_upload_alloc(c
->pipe
->stream_uploader
, 0,
814 c
->vertex_buf
.stride
* VL_COMPOSITOR_MAX_LAYERS
* 4, /* size */
816 &c
->vertex_buf
.buffer_offset
, &c
->vertex_buf
.buffer
.resource
,
819 for (i
= 0; i
< VL_COMPOSITOR_MAX_LAYERS
; i
++) {
820 if (s
->used_layers
& (1 << i
)) {
821 struct vl_compositor_layer
*layer
= &s
->layers
[i
];
822 gen_rect_verts(vb
, layer
);
825 if (!layer
->viewport_valid
) {
826 layer
->viewport
.scale
[0] = c
->fb_state
.width
;
827 layer
->viewport
.scale
[1] = c
->fb_state
.height
;
828 layer
->viewport
.translate
[0] = 0;
829 layer
->viewport
.translate
[1] = 0;
832 if (dirty
&& layer
->clearing
) {
833 struct u_rect drawn
= calc_drawn_area(s
, layer
);
835 dirty
->x0
>= drawn
.x0
&&
836 dirty
->y0
>= drawn
.y0
&&
837 dirty
->x1
<= drawn
.x1
&&
838 dirty
->y1
<= drawn
.y1
) {
840 // We clear the dirty area anyway, no need for clear_render_target
841 dirty
->x0
= dirty
->y0
= MAX_DIRTY
;
842 dirty
->x1
= dirty
->y1
= MIN_DIRTY
;
848 u_upload_unmap(c
->pipe
->stream_uploader
);
852 draw_layers(struct vl_compositor
*c
, struct vl_compositor_state
*s
, struct u_rect
*dirty
)
854 unsigned vb_index
, i
;
858 for (i
= 0, vb_index
= 0; i
< VL_COMPOSITOR_MAX_LAYERS
; ++i
) {
859 if (s
->used_layers
& (1 << i
)) {
860 struct vl_compositor_layer
*layer
= &s
->layers
[i
];
861 struct pipe_sampler_view
**samplers
= &layer
->sampler_views
[0];
862 unsigned num_sampler_views
= !samplers
[1] ? 1 : !samplers
[2] ? 2 : 3;
863 void *blend
= layer
->blend
? layer
->blend
: i
? c
->blend_add
: c
->blend_clear
;
865 c
->pipe
->bind_blend_state(c
->pipe
, blend
);
866 c
->pipe
->set_viewport_states(c
->pipe
, 0, 1, &layer
->viewport
);
867 c
->pipe
->bind_fs_state(c
->pipe
, layer
->fs
);
868 c
->pipe
->bind_sampler_states(c
->pipe
, PIPE_SHADER_FRAGMENT
, 0,
869 num_sampler_views
, layer
->samplers
);
870 c
->pipe
->set_sampler_views(c
->pipe
, PIPE_SHADER_FRAGMENT
, 0,
871 num_sampler_views
, samplers
);
873 util_draw_arrays(c
->pipe
, PIPE_PRIM_QUADS
, vb_index
* 4, 4);
877 // Remember the currently drawn area as dirty for the next draw command
878 struct u_rect drawn
= calc_drawn_area(s
, layer
);
879 dirty
->x0
= MIN2(drawn
.x0
, dirty
->x0
);
880 dirty
->y0
= MIN2(drawn
.y0
, dirty
->y0
);
881 dirty
->x1
= MAX2(drawn
.x1
, dirty
->x1
);
882 dirty
->y1
= MAX2(drawn
.y1
, dirty
->y1
);
889 vl_compositor_reset_dirty_area(struct u_rect
*dirty
)
893 dirty
->x0
= dirty
->y0
= MIN_DIRTY
;
894 dirty
->x1
= dirty
->y1
= MAX_DIRTY
;
898 vl_compositor_set_clear_color(struct vl_compositor_state
*s
, union pipe_color_union
*color
)
903 s
->clear_color
= *color
;
907 vl_compositor_get_clear_color(struct vl_compositor_state
*s
, union pipe_color_union
*color
)
912 *color
= s
->clear_color
;
916 vl_compositor_clear_layers(struct vl_compositor_state
*s
)
923 for ( i
= 0; i
< VL_COMPOSITOR_MAX_LAYERS
; ++i
) {
924 struct vertex4f v_one
= { 1.0f
, 1.0f
, 1.0f
, 1.0f
};
925 s
->layers
[i
].clearing
= i
? false : true;
926 s
->layers
[i
].blend
= NULL
;
927 s
->layers
[i
].fs
= NULL
;
928 s
->layers
[i
].viewport
.scale
[2] = 1;
929 s
->layers
[i
].viewport
.translate
[2] = 0;
930 s
->layers
[i
].rotate
= VL_COMPOSITOR_ROTATE_0
;
932 for ( j
= 0; j
< 3; j
++)
933 pipe_sampler_view_reference(&s
->layers
[i
].sampler_views
[j
], NULL
);
934 for ( j
= 0; j
< 4; ++j
)
935 s
->layers
[i
].colors
[j
] = v_one
;
940 vl_compositor_cleanup(struct vl_compositor
*c
)
946 cleanup_pipe_state(c
);
950 vl_compositor_set_csc_matrix(struct vl_compositor_state
*s
,
951 vl_csc_matrix
const *matrix
,
952 float luma_min
, float luma_max
)
954 struct pipe_transfer
*buf_transfer
;
958 float *ptr
= pipe_buffer_map(s
->pipe
, s
->csc_matrix
,
959 PIPE_TRANSFER_WRITE
| PIPE_TRANSFER_DISCARD_RANGE
,
965 memcpy(ptr
, matrix
, sizeof(vl_csc_matrix
));
967 ptr
+= sizeof(vl_csc_matrix
)/sizeof(float);
971 pipe_buffer_unmap(s
->pipe
, buf_transfer
);
977 vl_compositor_set_dst_clip(struct vl_compositor_state
*s
, struct u_rect
*dst_clip
)
981 s
->scissor_valid
= dst_clip
!= NULL
;
983 s
->scissor
.minx
= dst_clip
->x0
;
984 s
->scissor
.miny
= dst_clip
->y0
;
985 s
->scissor
.maxx
= dst_clip
->x1
;
986 s
->scissor
.maxy
= dst_clip
->y1
;
991 vl_compositor_set_layer_blend(struct vl_compositor_state
*s
,
992 unsigned layer
, void *blend
,
997 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
999 s
->layers
[layer
].clearing
= is_clearing
;
1000 s
->layers
[layer
].blend
= blend
;
1004 vl_compositor_set_layer_dst_area(struct vl_compositor_state
*s
,
1005 unsigned layer
, struct u_rect
*dst_area
)
1009 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
1011 s
->layers
[layer
].viewport_valid
= dst_area
!= NULL
;
1013 s
->layers
[layer
].viewport
.scale
[0] = dst_area
->x1
- dst_area
->x0
;
1014 s
->layers
[layer
].viewport
.scale
[1] = dst_area
->y1
- dst_area
->y0
;
1015 s
->layers
[layer
].viewport
.translate
[0] = dst_area
->x0
;
1016 s
->layers
[layer
].viewport
.translate
[1] = dst_area
->y0
;
1021 vl_compositor_set_buffer_layer(struct vl_compositor_state
*s
,
1022 struct vl_compositor
*c
,
1024 struct pipe_video_buffer
*buffer
,
1025 struct u_rect
*src_rect
,
1026 struct u_rect
*dst_rect
,
1027 enum vl_compositor_deinterlace deinterlace
)
1029 struct pipe_sampler_view
**sampler_views
;
1032 assert(s
&& c
&& buffer
);
1034 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
1036 s
->used_layers
|= 1 << layer
;
1037 sampler_views
= buffer
->get_sampler_view_components(buffer
);
1038 for (i
= 0; i
< 3; ++i
) {
1039 s
->layers
[layer
].samplers
[i
] = c
->sampler_linear
;
1040 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[i
], sampler_views
[i
]);
1043 calc_src_and_dst(&s
->layers
[layer
], buffer
->width
, buffer
->height
,
1044 src_rect
? *src_rect
: default_rect(&s
->layers
[layer
]),
1045 dst_rect
? *dst_rect
: default_rect(&s
->layers
[layer
]));
1047 if (buffer
->interlaced
) {
1048 float half_a_line
= 0.5f
/ s
->layers
[layer
].zw
.y
;
1049 switch(deinterlace
) {
1050 case VL_COMPOSITOR_WEAVE
:
1051 s
->layers
[layer
].fs
= c
->fs_weave_rgb
;
1054 case VL_COMPOSITOR_BOB_TOP
:
1055 s
->layers
[layer
].zw
.x
= 0.0f
;
1056 s
->layers
[layer
].src
.tl
.y
+= half_a_line
;
1057 s
->layers
[layer
].src
.br
.y
+= half_a_line
;
1058 s
->layers
[layer
].fs
= c
->fs_video_buffer
;
1061 case VL_COMPOSITOR_BOB_BOTTOM
:
1062 s
->layers
[layer
].zw
.x
= 1.0f
;
1063 s
->layers
[layer
].src
.tl
.y
-= half_a_line
;
1064 s
->layers
[layer
].src
.br
.y
-= half_a_line
;
1065 s
->layers
[layer
].fs
= c
->fs_video_buffer
;
1070 s
->layers
[layer
].fs
= c
->fs_video_buffer
;
1074 vl_compositor_set_palette_layer(struct vl_compositor_state
*s
,
1075 struct vl_compositor
*c
,
1077 struct pipe_sampler_view
*indexes
,
1078 struct pipe_sampler_view
*palette
,
1079 struct u_rect
*src_rect
,
1080 struct u_rect
*dst_rect
,
1081 bool include_color_conversion
)
1083 assert(s
&& c
&& indexes
&& palette
);
1085 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
1087 s
->used_layers
|= 1 << layer
;
1089 s
->layers
[layer
].fs
= include_color_conversion
?
1090 c
->fs_palette
.yuv
: c
->fs_palette
.rgb
;
1092 s
->layers
[layer
].samplers
[0] = c
->sampler_linear
;
1093 s
->layers
[layer
].samplers
[1] = c
->sampler_nearest
;
1094 s
->layers
[layer
].samplers
[2] = NULL
;
1095 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[0], indexes
);
1096 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[1], palette
);
1097 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[2], NULL
);
1098 calc_src_and_dst(&s
->layers
[layer
], indexes
->texture
->width0
, indexes
->texture
->height0
,
1099 src_rect
? *src_rect
: default_rect(&s
->layers
[layer
]),
1100 dst_rect
? *dst_rect
: default_rect(&s
->layers
[layer
]));
1104 vl_compositor_set_rgba_layer(struct vl_compositor_state
*s
,
1105 struct vl_compositor
*c
,
1107 struct pipe_sampler_view
*rgba
,
1108 struct u_rect
*src_rect
,
1109 struct u_rect
*dst_rect
,
1110 struct vertex4f
*colors
)
1114 assert(s
&& c
&& rgba
);
1116 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
1118 s
->used_layers
|= 1 << layer
;
1119 s
->layers
[layer
].fs
= c
->fs_rgba
;
1120 s
->layers
[layer
].samplers
[0] = c
->sampler_linear
;
1121 s
->layers
[layer
].samplers
[1] = NULL
;
1122 s
->layers
[layer
].samplers
[2] = NULL
;
1123 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[0], rgba
);
1124 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[1], NULL
);
1125 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[2], NULL
);
1126 calc_src_and_dst(&s
->layers
[layer
], rgba
->texture
->width0
, rgba
->texture
->height0
,
1127 src_rect
? *src_rect
: default_rect(&s
->layers
[layer
]),
1128 dst_rect
? *dst_rect
: default_rect(&s
->layers
[layer
]));
1131 for (i
= 0; i
< 4; ++i
)
1132 s
->layers
[layer
].colors
[i
] = colors
[i
];
1136 vl_compositor_set_layer_rotation(struct vl_compositor_state
*s
,
1138 enum vl_compositor_rotation rotate
)
1141 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
1142 s
->layers
[layer
].rotate
= rotate
;
1146 vl_compositor_set_yuv_layer(struct vl_compositor_state
*s
,
1147 struct vl_compositor
*c
,
1149 struct pipe_video_buffer
*buffer
,
1150 struct u_rect
*src_rect
,
1151 struct u_rect
*dst_rect
,
1154 struct pipe_sampler_view
**sampler_views
;
1157 assert(s
&& c
&& buffer
);
1159 assert(layer
< VL_COMPOSITOR_MAX_LAYERS
);
1161 s
->used_layers
|= 1 << layer
;
1162 sampler_views
= buffer
->get_sampler_view_components(buffer
);
1163 for (i
= 0; i
< 3; ++i
) {
1164 s
->layers
[layer
].samplers
[i
] = c
->sampler_linear
;
1165 pipe_sampler_view_reference(&s
->layers
[layer
].sampler_views
[i
], sampler_views
[i
]);
1168 calc_src_and_dst(&s
->layers
[layer
], buffer
->width
, buffer
->height
,
1169 src_rect
? *src_rect
: default_rect(&s
->layers
[layer
]),
1170 dst_rect
? *dst_rect
: default_rect(&s
->layers
[layer
]));
1172 s
->layers
[layer
].fs
= (y
) ? c
->fs_weave_yuv
.y
: c
->fs_weave_yuv
.uv
;
1176 vl_compositor_render(struct vl_compositor_state
*s
,
1177 struct vl_compositor
*c
,
1178 struct pipe_surface
*dst_surface
,
1179 struct u_rect
*dirty_area
,
1183 assert(dst_surface
);
1185 c
->fb_state
.width
= dst_surface
->width
;
1186 c
->fb_state
.height
= dst_surface
->height
;
1187 c
->fb_state
.cbufs
[0] = dst_surface
;
1189 if (!s
->scissor_valid
) {
1190 s
->scissor
.minx
= 0;
1191 s
->scissor
.miny
= 0;
1192 s
->scissor
.maxx
= dst_surface
->width
;
1193 s
->scissor
.maxy
= dst_surface
->height
;
1195 c
->pipe
->set_scissor_states(c
->pipe
, 0, 1, &s
->scissor
);
1197 gen_vertex_data(c
, s
, dirty_area
);
1199 if (clear_dirty
&& dirty_area
&&
1200 (dirty_area
->x0
< dirty_area
->x1
|| dirty_area
->y0
< dirty_area
->y1
)) {
1202 c
->pipe
->clear_render_target(c
->pipe
, dst_surface
, &s
->clear_color
,
1203 0, 0, dst_surface
->width
, dst_surface
->height
, false);
1204 dirty_area
->x0
= dirty_area
->y0
= MAX_DIRTY
;
1205 dirty_area
->x1
= dirty_area
->y1
= MIN_DIRTY
;
1208 c
->pipe
->set_framebuffer_state(c
->pipe
, &c
->fb_state
);
1209 c
->pipe
->bind_vs_state(c
->pipe
, c
->vs
);
1210 c
->pipe
->set_vertex_buffers(c
->pipe
, 0, 1, &c
->vertex_buf
);
1211 c
->pipe
->bind_vertex_elements_state(c
->pipe
, c
->vertex_elems_state
);
1212 pipe_set_constant_buffer(c
->pipe
, PIPE_SHADER_FRAGMENT
, 0, s
->csc_matrix
);
1213 c
->pipe
->bind_rasterizer_state(c
->pipe
, c
->rast
);
1215 draw_layers(c
, s
, dirty_area
);
1219 vl_compositor_init(struct vl_compositor
*c
, struct pipe_context
*pipe
)
1223 memset(c
, 0, sizeof(*c
));
1227 if (!init_pipe_state(c
)) {
1231 if (!init_shaders(c
)) {
1232 cleanup_pipe_state(c
);
1236 if (!init_buffers(c
)) {
1238 cleanup_pipe_state(c
);
1246 vl_compositor_init_state(struct vl_compositor_state
*s
, struct pipe_context
*pipe
)
1248 vl_csc_matrix csc_matrix
;
1252 memset(s
, 0, sizeof(*s
));
1256 s
->clear_color
.f
[0] = s
->clear_color
.f
[1] = 0.0f
;
1257 s
->clear_color
.f
[2] = s
->clear_color
.f
[3] = 0.0f
;
1260 * Create our fragment shader's constant buffer
1261 * Const buffer contains the color conversion matrix and bias vectors
1263 /* XXX: Create with IMMUTABLE/STATIC... although it does change every once in a long while... */
1264 s
->csc_matrix
= pipe_buffer_create
1267 PIPE_BIND_CONSTANT_BUFFER
,
1269 sizeof(csc_matrix
) + 2*sizeof(float)
1275 vl_compositor_clear_layers(s
);
1277 vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_IDENTITY
, NULL
, true, &csc_matrix
);
1278 if (!vl_compositor_set_csc_matrix(s
, (const vl_csc_matrix
*)&csc_matrix
, 1.0f
, 0.0f
))
1285 vl_compositor_cleanup_state(struct vl_compositor_state
*s
)
1289 vl_compositor_clear_layers(s
);
1290 pipe_resource_reference(&s
->csc_matrix
, NULL
);