1 /**************************************************************************
3 * Copyright 2009 VMware, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 **************************************************************************/
29 #include "vg_context.h"
31 #include "pipe/p_context.h"
32 #include "pipe/p_state.h"
33 #include "util/u_inlines.h"
34 #include "pipe/p_screen.h"
35 #include "pipe/p_shader_tokens.h"
37 #include "util/u_draw_quad.h"
38 #include "util/u_format.h"
39 #include "util/u_simple_shaders.h"
40 #include "util/u_memory.h"
41 #include "util/u_rect.h"
42 #include "util/u_sampler.h"
44 #include "cso_cache/cso_context.h"
47 struct pipe_context
*pipe
;
48 struct vg_context
*owner
;
50 struct cso_context
*cso
;
54 VGfloat vertices
[4][2][4];
57 static void setup_shaders(struct renderer
*ctx
)
59 struct pipe_context
*pipe
= ctx
->pipe
;
61 ctx
->fs
= util_make_fragment_tex_shader(pipe
, TGSI_TEXTURE_2D
);
64 static struct pipe_buffer
*
65 setup_vertex_data(struct renderer
*ctx
,
66 float x0
, float y0
, float x1
, float y1
, float z
)
68 ctx
->vertices
[0][0][0] = x0
;
69 ctx
->vertices
[0][0][1] = y0
;
70 ctx
->vertices
[0][0][2] = z
;
71 ctx
->vertices
[0][1][0] = 0.0f
; /*s*/
72 ctx
->vertices
[0][1][1] = 0.0f
; /*t*/
74 ctx
->vertices
[1][0][0] = x1
;
75 ctx
->vertices
[1][0][1] = y0
;
76 ctx
->vertices
[1][0][2] = z
;
77 ctx
->vertices
[1][1][0] = 1.0f
; /*s*/
78 ctx
->vertices
[1][1][1] = 0.0f
; /*t*/
80 ctx
->vertices
[2][0][0] = x1
;
81 ctx
->vertices
[2][0][1] = y1
;
82 ctx
->vertices
[2][0][2] = z
;
83 ctx
->vertices
[2][1][0] = 1.0f
;
84 ctx
->vertices
[2][1][1] = 1.0f
;
86 ctx
->vertices
[3][0][0] = x0
;
87 ctx
->vertices
[3][0][1] = y1
;
88 ctx
->vertices
[3][0][2] = z
;
89 ctx
->vertices
[3][1][0] = 0.0f
;
90 ctx
->vertices
[3][1][1] = 1.0f
;
92 return pipe_user_buffer_create( ctx
->pipe
->screen
,
94 sizeof(ctx
->vertices
) );
97 static struct pipe_buffer
*
98 setup_vertex_data_tex(struct renderer
*ctx
,
99 float x0
, float y0
, float x1
, float y1
,
100 float s0
, float t0
, float s1
, float t1
,
103 ctx
->vertices
[0][0][0] = x0
;
104 ctx
->vertices
[0][0][1] = y0
;
105 ctx
->vertices
[0][0][2] = z
;
106 ctx
->vertices
[0][1][0] = s0
; /*s*/
107 ctx
->vertices
[0][1][1] = t0
; /*t*/
109 ctx
->vertices
[1][0][0] = x1
;
110 ctx
->vertices
[1][0][1] = y0
;
111 ctx
->vertices
[1][0][2] = z
;
112 ctx
->vertices
[1][1][0] = s1
; /*s*/
113 ctx
->vertices
[1][1][1] = t0
; /*t*/
115 ctx
->vertices
[2][0][0] = x1
;
116 ctx
->vertices
[2][0][1] = y1
;
117 ctx
->vertices
[2][0][2] = z
;
118 ctx
->vertices
[2][1][0] = s1
;
119 ctx
->vertices
[2][1][1] = t1
;
121 ctx
->vertices
[3][0][0] = x0
;
122 ctx
->vertices
[3][0][1] = y1
;
123 ctx
->vertices
[3][0][2] = z
;
124 ctx
->vertices
[3][1][0] = s0
;
125 ctx
->vertices
[3][1][1] = t1
;
127 return pipe_user_buffer_create( ctx
->pipe
->screen
,
129 sizeof(ctx
->vertices
) );
133 static struct pipe_buffer
*
134 setup_vertex_data_qtex(struct renderer
*ctx
,
135 float x0
, float y0
, float x1
, float y1
,
136 float x2
, float y2
, float x3
, float y3
,
137 float s0
, float t0
, float s1
, float t1
,
140 ctx
->vertices
[0][0][0] = x0
;
141 ctx
->vertices
[0][0][1] = y0
;
142 ctx
->vertices
[0][0][2] = z
;
143 ctx
->vertices
[0][1][0] = s0
; /*s*/
144 ctx
->vertices
[0][1][1] = t0
; /*t*/
146 ctx
->vertices
[1][0][0] = x1
;
147 ctx
->vertices
[1][0][1] = y1
;
148 ctx
->vertices
[1][0][2] = z
;
149 ctx
->vertices
[1][1][0] = s1
; /*s*/
150 ctx
->vertices
[1][1][1] = t0
; /*t*/
152 ctx
->vertices
[2][0][0] = x2
;
153 ctx
->vertices
[2][0][1] = y2
;
154 ctx
->vertices
[2][0][2] = z
;
155 ctx
->vertices
[2][1][0] = s1
;
156 ctx
->vertices
[2][1][1] = t1
;
158 ctx
->vertices
[3][0][0] = x3
;
159 ctx
->vertices
[3][0][1] = y3
;
160 ctx
->vertices
[3][0][2] = z
;
161 ctx
->vertices
[3][1][0] = s0
;
162 ctx
->vertices
[3][1][1] = t1
;
164 return pipe_user_buffer_create( ctx
->pipe
->screen
,
166 sizeof(ctx
->vertices
) );
169 struct renderer
* renderer_create(struct vg_context
*owner
)
172 struct renderer
*renderer
= CALLOC_STRUCT(renderer
);
177 renderer
->owner
= owner
;
178 renderer
->pipe
= owner
->pipe
;
179 renderer
->cso
= owner
->cso_context
;
181 setup_shaders(renderer
);
183 /* init vertex data that doesn't change */
184 for (i
= 0; i
< 4; i
++) {
185 renderer
->vertices
[i
][0][3] = 1.0f
; /* w */
186 renderer
->vertices
[i
][1][2] = 0.0f
; /* r */
187 renderer
->vertices
[i
][1][3] = 1.0f
; /* q */
193 void renderer_destroy(struct renderer
*ctx
)
197 cso_delete_fragment_shader(ctx
->cso
, ctx
->fs
);
204 void renderer_draw_quad(struct renderer
*r
,
205 VGfloat x1
, VGfloat y1
,
206 VGfloat x2
, VGfloat y2
,
209 struct pipe_buffer
*buf
;
211 buf
= setup_vertex_data(r
, x1
, y1
, x2
, y2
, depth
);
214 cso_set_vertex_elements(r
->cso
, 2, r
->owner
->velems
);
215 util_draw_vertex_buffer(r
->pipe
, buf
, 0,
216 PIPE_PRIM_TRIANGLE_FAN
,
218 2); /* attribs/vert */
220 pipe_buffer_reference( &buf
,
225 void renderer_draw_texture(struct renderer
*r
,
226 struct pipe_texture
*tex
,
227 VGfloat x1offset
, VGfloat y1offset
,
228 VGfloat x2offset
, VGfloat y2offset
,
229 VGfloat x1
, VGfloat y1
,
230 VGfloat x2
, VGfloat y2
)
232 struct pipe_context
*pipe
= r
->pipe
;
233 struct pipe_buffer
*buf
;
234 VGfloat s0
, t0
, s1
, t1
;
236 assert(tex
->width0
!= 0);
237 assert(tex
->height0
!= 0);
239 s0
= x1offset
/ tex
->width0
;
240 s1
= x2offset
/ tex
->width0
;
241 t0
= y1offset
/ tex
->height0
;
242 t1
= y2offset
/ tex
->height0
;
244 cso_save_vertex_shader(r
->cso
);
246 cso_set_vertex_shader_handle(r
->cso
, vg_texture_vs(r
->owner
));
249 buf
= setup_vertex_data_tex(r
, x1
, y1
, x2
, y2
,
250 s0
, t0
, s1
, t1
, 0.0f
);
253 cso_set_vertex_elements(r
->cso
, 2, r
->owner
->velems
);
254 util_draw_vertex_buffer(pipe
, buf
, 0,
255 PIPE_PRIM_TRIANGLE_FAN
,
257 2); /* attribs/vert */
259 pipe_buffer_reference( &buf
,
263 cso_restore_vertex_shader(r
->cso
);
266 void renderer_copy_texture(struct renderer
*ctx
,
267 struct pipe_sampler_view
*src
,
268 VGfloat sx1
, VGfloat sy1
,
269 VGfloat sx2
, VGfloat sy2
,
270 struct pipe_texture
*dst
,
271 VGfloat dx1
, VGfloat dy1
,
272 VGfloat dx2
, VGfloat dy2
)
274 struct pipe_context
*pipe
= ctx
->pipe
;
275 struct pipe_screen
*screen
= pipe
->screen
;
276 struct pipe_texture
*tex
= src
->texture
;
277 struct pipe_buffer
*buf
;
278 struct pipe_surface
*dst_surf
= screen
->get_tex_surface(
279 screen
, dst
, 0, 0, 0,
280 PIPE_BUFFER_USAGE_GPU_WRITE
);
281 struct pipe_framebuffer_state fb
;
282 float s0
, t0
, s1
, t1
;
284 assert(tex
->width0
!= 0);
285 assert(tex
->height0
!= 0);
286 assert(dst
->width0
!= 0);
287 assert(dst
->height0
!= 0);
290 debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n",
291 sx1
, sy1
, sx2
, sy2
, dx1
, dy1
, dx2
, dy2
);
295 s0
= sx1
/ tex
->width0
;
296 s1
= sx2
/ tex
->width0
;
297 t0
= sy1
/ tex
->height0
;
298 t1
= sy2
/ tex
->height0
;
306 assert(screen
->is_format_supported(screen
, dst_surf
->format
, PIPE_TEXTURE_2D
,
307 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0));
309 /* save state (restored below) */
310 cso_save_blend(ctx
->cso
);
311 cso_save_samplers(ctx
->cso
);
312 cso_save_fragment_sampler_views(ctx
->cso
);
313 cso_save_framebuffer(ctx
->cso
);
314 cso_save_fragment_shader(ctx
->cso
);
315 cso_save_vertex_shader(ctx
->cso
);
317 cso_save_viewport(ctx
->cso
);
320 /* set misc state we care about */
322 struct pipe_blend_state blend
;
323 memset(&blend
, 0, sizeof(blend
));
324 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
325 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
326 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
327 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
328 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
329 cso_set_blend(ctx
->cso
, &blend
);
334 struct pipe_sampler_state sampler
;
335 memset(&sampler
, 0, sizeof(sampler
));
336 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
337 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
338 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
339 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
340 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
341 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
342 sampler
.normalized_coords
= 1;
343 cso_single_sampler(ctx
->cso
, 0, &sampler
);
344 cso_single_sampler_done(ctx
->cso
);
347 vg_set_viewport(ctx
->owner
, VEGA_Y0_TOP
);
350 cso_set_fragment_sampler_views(ctx
->cso
, 1, &src
);
353 cso_set_vertex_shader_handle(ctx
->cso
, vg_texture_vs(ctx
->owner
));
354 cso_set_fragment_shader_handle(ctx
->cso
, ctx
->fs
);
357 memset(&fb
, 0, sizeof(fb
));
358 fb
.width
= dst_surf
->width
;
359 fb
.height
= dst_surf
->height
;
361 fb
.cbufs
[0] = dst_surf
;
364 for (i
= 1; i
< PIPE_MAX_COLOR_BUFS
; ++i
)
367 cso_set_framebuffer(ctx
->cso
, &fb
);
370 buf
= setup_vertex_data_tex(ctx
,
377 cso_set_vertex_elements(ctx
->cso
, 2, ctx
->owner
->velems
);
378 util_draw_vertex_buffer(ctx
->pipe
, buf
, 0,
379 PIPE_PRIM_TRIANGLE_FAN
,
381 2); /* attribs/vert */
383 pipe_buffer_reference( &buf
,
387 /* restore state we changed */
388 cso_restore_blend(ctx
->cso
);
389 cso_restore_samplers(ctx
->cso
);
390 cso_restore_fragment_sampler_views(ctx
->cso
);
391 cso_restore_framebuffer(ctx
->cso
);
392 cso_restore_vertex_shader(ctx
->cso
);
393 cso_restore_fragment_shader(ctx
->cso
);
394 cso_restore_viewport(ctx
->cso
);
396 pipe_surface_reference(&dst_surf
, NULL
);
399 void renderer_copy_surface(struct renderer
*ctx
,
400 struct pipe_surface
*src
,
401 int srcX0
, int srcY0
,
402 int srcX1
, int srcY1
,
403 struct pipe_surface
*dst
,
404 int dstX0
, int dstY0
,
405 int dstX1
, int dstY1
,
406 float z
, unsigned filter
)
408 struct pipe_context
*pipe
= ctx
->pipe
;
409 struct pipe_screen
*screen
= pipe
->screen
;
410 struct pipe_buffer
*buf
;
411 struct pipe_sampler_view view_templ
;
412 struct pipe_sampler_view
*view
;
413 struct pipe_texture texTemp
, *tex
;
414 struct pipe_surface
*texSurf
;
415 struct pipe_framebuffer_state fb
;
416 struct st_framebuffer
*stfb
= ctx
->owner
->draw_buffer
;
417 const int srcW
= abs(srcX1
- srcX0
);
418 const int srcH
= abs(srcY1
- srcY0
);
419 const int srcLeft
= MIN2(srcX0
, srcX1
);
420 const int srcTop
= MIN2(srcY0
, srcY1
);
422 assert(filter
== PIPE_TEX_MIPFILTER_NEAREST
||
423 filter
== PIPE_TEX_MIPFILTER_LINEAR
);
425 if (srcLeft
!= srcX0
) {
426 /* left-right flip */
432 if (srcTop
!= srcY0
) {
439 assert(screen
->is_format_supported(screen
, src
->format
, PIPE_TEXTURE_2D
,
440 PIPE_TEXTURE_USAGE_SAMPLER
, 0));
441 assert(screen
->is_format_supported(screen
, dst
->format
, PIPE_TEXTURE_2D
,
442 PIPE_TEXTURE_USAGE_SAMPLER
, 0));
443 assert(screen
->is_format_supported(screen
, dst
->format
, PIPE_TEXTURE_2D
,
444 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0));
447 * XXX for now we're always creating a temporary texture.
448 * Strictly speaking that's not always needed.
451 /* create temp texture */
452 memset(&texTemp
, 0, sizeof(texTemp
));
453 texTemp
.target
= PIPE_TEXTURE_2D
;
454 texTemp
.format
= src
->format
;
455 texTemp
.last_level
= 0;
456 texTemp
.width0
= srcW
;
457 texTemp
.height0
= srcH
;
460 tex
= screen
->texture_create(screen
, &texTemp
);
464 u_sampler_view_default_template(&view_templ
, tex
, tex
->format
);
465 view
= pipe
->create_sampler_view(pipe
, tex
, &view_templ
);
470 texSurf
= screen
->get_tex_surface(screen
, tex
, 0, 0, 0,
471 PIPE_BUFFER_USAGE_GPU_WRITE
);
473 /* load temp texture */
474 if (pipe
->surface_copy
) {
475 pipe
->surface_copy(pipe
,
476 texSurf
, 0, 0, /* dest */
477 src
, srcLeft
, srcTop
, /* src */
478 srcW
, srcH
); /* size */
480 util_surface_copy(pipe
, FALSE
,
481 texSurf
, 0, 0, /* dest */
482 src
, srcLeft
, srcTop
, /* src */
483 srcW
, srcH
); /* size */
486 /* free the surface, update the texture if necessary.*/
487 screen
->tex_surface_destroy(texSurf
);
489 /* save state (restored below) */
490 cso_save_blend(ctx
->cso
);
491 cso_save_samplers(ctx
->cso
);
492 cso_save_fragment_sampler_views(ctx
->cso
);
493 cso_save_framebuffer(ctx
->cso
);
494 cso_save_fragment_shader(ctx
->cso
);
495 cso_save_vertex_shader(ctx
->cso
);
496 cso_save_viewport(ctx
->cso
);
498 /* set misc state we care about */
500 struct pipe_blend_state blend
;
501 memset(&blend
, 0, sizeof(blend
));
502 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
503 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
504 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
505 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
506 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
507 cso_set_blend(ctx
->cso
, &blend
);
510 vg_set_viewport(ctx
->owner
, VEGA_Y0_TOP
);
514 struct pipe_sampler_state sampler
;
515 memset(&sampler
, 0, sizeof(sampler
));
516 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
517 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
518 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
519 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
520 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
521 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
522 sampler
.normalized_coords
= 1;
523 cso_single_sampler(ctx
->cso
, 0, &sampler
);
524 cso_single_sampler_done(ctx
->cso
);
528 cso_set_fragment_sampler_views(ctx
->cso
, 1, &view
);
531 cso_set_fragment_shader_handle(ctx
->cso
, ctx
->fs
);
532 cso_set_vertex_shader_handle(ctx
->cso
, vg_texture_vs(ctx
->owner
));
535 if (stfb
->strb
->surface
!= dst
) {
536 memset(&fb
, 0, sizeof(fb
));
537 fb
.width
= dst
->width
;
538 fb
.height
= dst
->height
;
541 fb
.zsbuf
= stfb
->dsrb
->surface
;
542 cso_set_framebuffer(ctx
->cso
, &fb
);
546 buf
= setup_vertex_data(ctx
,
547 (float) dstX0
, (float) dstY0
,
548 (float) dstX1
, (float) dstY1
, z
);
551 cso_set_vertex_elements(ctx
->cso
, 2, ctx
->owner
->velems
);
552 util_draw_vertex_buffer(ctx
->pipe
, buf
, 0,
553 PIPE_PRIM_TRIANGLE_FAN
,
555 2); /* attribs/vert */
557 pipe_buffer_reference( &buf
,
562 /* restore state we changed */
563 cso_restore_blend(ctx
->cso
);
564 cso_restore_samplers(ctx
->cso
);
565 cso_restore_fragment_sampler_views(ctx
->cso
);
566 cso_restore_framebuffer(ctx
->cso
);
567 cso_restore_fragment_shader(ctx
->cso
);
568 cso_restore_vertex_shader(ctx
->cso
);
569 cso_restore_viewport(ctx
->cso
);
571 pipe_texture_reference(&tex
, NULL
);
572 pipe_sampler_view_reference(&view
, NULL
);
575 void renderer_texture_quad(struct renderer
*r
,
576 struct pipe_texture
*tex
,
577 VGfloat x1offset
, VGfloat y1offset
,
578 VGfloat x2offset
, VGfloat y2offset
,
579 VGfloat x1
, VGfloat y1
,
580 VGfloat x2
, VGfloat y2
,
581 VGfloat x3
, VGfloat y3
,
582 VGfloat x4
, VGfloat y4
)
584 struct pipe_context
*pipe
= r
->pipe
;
585 struct pipe_buffer
*buf
;
586 VGfloat s0
, t0
, s1
, t1
;
588 assert(tex
->width0
!= 0);
589 assert(tex
->height0
!= 0);
591 s0
= x1offset
/ tex
->width0
;
592 s1
= x2offset
/ tex
->width0
;
593 t0
= y1offset
/ tex
->height0
;
594 t1
= y2offset
/ tex
->height0
;
596 cso_save_vertex_shader(r
->cso
);
598 cso_set_vertex_shader_handle(r
->cso
, vg_texture_vs(r
->owner
));
601 buf
= setup_vertex_data_qtex(r
, x1
, y1
, x2
, y2
, x3
, y3
, x4
, y4
,
602 s0
, t0
, s1
, t1
, 0.0f
);
605 cso_set_vertex_elements(r
->cso
, 2, r
->owner
->velems
);
606 util_draw_vertex_buffer(pipe
, buf
, 0,
607 PIPE_PRIM_TRIANGLE_FAN
,
609 2); /* attribs/vert */
611 pipe_buffer_reference(&buf
,
615 cso_restore_vertex_shader(r
->cso
);