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_resource
*
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
),
95 PIPE_BIND_VERTEX_BUFFER
);
98 static struct pipe_resource
*
99 setup_vertex_data_tex(struct renderer
*ctx
,
100 float x0
, float y0
, float x1
, float y1
,
101 float s0
, float t0
, float s1
, float t1
,
104 ctx
->vertices
[0][0][0] = x0
;
105 ctx
->vertices
[0][0][1] = y0
;
106 ctx
->vertices
[0][0][2] = z
;
107 ctx
->vertices
[0][1][0] = s0
; /*s*/
108 ctx
->vertices
[0][1][1] = t0
; /*t*/
110 ctx
->vertices
[1][0][0] = x1
;
111 ctx
->vertices
[1][0][1] = y0
;
112 ctx
->vertices
[1][0][2] = z
;
113 ctx
->vertices
[1][1][0] = s1
; /*s*/
114 ctx
->vertices
[1][1][1] = t0
; /*t*/
116 ctx
->vertices
[2][0][0] = x1
;
117 ctx
->vertices
[2][0][1] = y1
;
118 ctx
->vertices
[2][0][2] = z
;
119 ctx
->vertices
[2][1][0] = s1
;
120 ctx
->vertices
[2][1][1] = t1
;
122 ctx
->vertices
[3][0][0] = x0
;
123 ctx
->vertices
[3][0][1] = y1
;
124 ctx
->vertices
[3][0][2] = z
;
125 ctx
->vertices
[3][1][0] = s0
;
126 ctx
->vertices
[3][1][1] = t1
;
128 return pipe_user_buffer_create( ctx
->pipe
->screen
,
130 sizeof(ctx
->vertices
),
131 PIPE_BIND_VERTEX_BUFFER
);
135 static struct pipe_resource
*
136 setup_vertex_data_qtex(struct renderer
*ctx
,
137 float x0
, float y0
, float x1
, float y1
,
138 float x2
, float y2
, float x3
, float y3
,
139 float s0
, float t0
, float s1
, float t1
,
142 ctx
->vertices
[0][0][0] = x0
;
143 ctx
->vertices
[0][0][1] = y0
;
144 ctx
->vertices
[0][0][2] = z
;
145 ctx
->vertices
[0][1][0] = s0
; /*s*/
146 ctx
->vertices
[0][1][1] = t0
; /*t*/
148 ctx
->vertices
[1][0][0] = x1
;
149 ctx
->vertices
[1][0][1] = y1
;
150 ctx
->vertices
[1][0][2] = z
;
151 ctx
->vertices
[1][1][0] = s1
; /*s*/
152 ctx
->vertices
[1][1][1] = t0
; /*t*/
154 ctx
->vertices
[2][0][0] = x2
;
155 ctx
->vertices
[2][0][1] = y2
;
156 ctx
->vertices
[2][0][2] = z
;
157 ctx
->vertices
[2][1][0] = s1
;
158 ctx
->vertices
[2][1][1] = t1
;
160 ctx
->vertices
[3][0][0] = x3
;
161 ctx
->vertices
[3][0][1] = y3
;
162 ctx
->vertices
[3][0][2] = z
;
163 ctx
->vertices
[3][1][0] = s0
;
164 ctx
->vertices
[3][1][1] = t1
;
166 return pipe_user_buffer_create( ctx
->pipe
->screen
,
168 sizeof(ctx
->vertices
),
169 PIPE_BIND_VERTEX_BUFFER
);
172 struct renderer
* renderer_create(struct vg_context
*owner
)
175 struct renderer
*renderer
= CALLOC_STRUCT(renderer
);
180 renderer
->owner
= owner
;
181 renderer
->pipe
= owner
->pipe
;
182 renderer
->cso
= owner
->cso_context
;
184 setup_shaders(renderer
);
186 /* init vertex data that doesn't change */
187 for (i
= 0; i
< 4; i
++) {
188 renderer
->vertices
[i
][0][3] = 1.0f
; /* w */
189 renderer
->vertices
[i
][1][2] = 0.0f
; /* r */
190 renderer
->vertices
[i
][1][3] = 1.0f
; /* q */
196 void renderer_destroy(struct renderer
*ctx
)
200 cso_delete_fragment_shader(ctx
->cso
, ctx
->fs
);
207 void renderer_draw_quad(struct renderer
*r
,
208 VGfloat x1
, VGfloat y1
,
209 VGfloat x2
, VGfloat y2
,
212 struct pipe_resource
*buf
;
214 buf
= setup_vertex_data(r
, x1
, y1
, x2
, y2
, depth
);
217 cso_set_vertex_elements(r
->cso
, 2, r
->owner
->velems
);
218 util_draw_vertex_buffer(r
->pipe
, buf
, 0,
219 PIPE_PRIM_TRIANGLE_FAN
,
221 2); /* attribs/vert */
223 pipe_resource_reference( &buf
,
228 void renderer_draw_texture(struct renderer
*r
,
229 struct pipe_resource
*tex
,
230 VGfloat x1offset
, VGfloat y1offset
,
231 VGfloat x2offset
, VGfloat y2offset
,
232 VGfloat x1
, VGfloat y1
,
233 VGfloat x2
, VGfloat y2
)
235 struct pipe_context
*pipe
= r
->pipe
;
236 struct pipe_resource
*buf
;
237 VGfloat s0
, t0
, s1
, t1
;
239 assert(tex
->width0
!= 0);
240 assert(tex
->height0
!= 0);
242 s0
= x1offset
/ tex
->width0
;
243 s1
= x2offset
/ tex
->width0
;
244 t0
= y1offset
/ tex
->height0
;
245 t1
= y2offset
/ tex
->height0
;
247 cso_save_vertex_shader(r
->cso
);
249 cso_set_vertex_shader_handle(r
->cso
, vg_texture_vs(r
->owner
));
252 buf
= setup_vertex_data_tex(r
, x1
, y1
, x2
, y2
,
253 s0
, t0
, s1
, t1
, 0.0f
);
256 cso_set_vertex_elements(r
->cso
, 2, r
->owner
->velems
);
257 util_draw_vertex_buffer(pipe
, buf
, 0,
258 PIPE_PRIM_TRIANGLE_FAN
,
260 2); /* attribs/vert */
262 pipe_resource_reference( &buf
,
266 cso_restore_vertex_shader(r
->cso
);
269 void renderer_copy_texture(struct renderer
*ctx
,
270 struct pipe_sampler_view
*src
,
271 VGfloat sx1
, VGfloat sy1
,
272 VGfloat sx2
, VGfloat sy2
,
273 struct pipe_resource
*dst
,
274 VGfloat dx1
, VGfloat dy1
,
275 VGfloat dx2
, VGfloat dy2
)
277 struct pipe_context
*pipe
= ctx
->pipe
;
278 struct pipe_screen
*screen
= pipe
->screen
;
279 struct pipe_resource
*tex
= src
->texture
;
280 struct pipe_resource
*buf
;
281 struct pipe_surface
*dst_surf
= screen
->get_tex_surface(
282 screen
, dst
, 0, 0, 0,
283 PIPE_BIND_RENDER_TARGET
);
284 struct pipe_framebuffer_state fb
;
285 float s0
, t0
, s1
, t1
;
287 assert(tex
->width0
!= 0);
288 assert(tex
->height0
!= 0);
289 assert(dst
->width0
!= 0);
290 assert(dst
->height0
!= 0);
293 debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n",
294 sx1
, sy1
, sx2
, sy2
, dx1
, dy1
, dx2
, dy2
);
298 s0
= sx1
/ tex
->width0
;
299 s1
= sx2
/ tex
->width0
;
300 t0
= sy1
/ tex
->height0
;
301 t1
= sy2
/ tex
->height0
;
309 assert(screen
->is_format_supported(screen
, dst_surf
->format
, PIPE_TEXTURE_2D
,
310 PIPE_BIND_RENDER_TARGET
, 0));
312 /* save state (restored below) */
313 cso_save_blend(ctx
->cso
);
314 cso_save_samplers(ctx
->cso
);
315 cso_save_fragment_sampler_views(ctx
->cso
);
316 cso_save_framebuffer(ctx
->cso
);
317 cso_save_fragment_shader(ctx
->cso
);
318 cso_save_vertex_shader(ctx
->cso
);
320 cso_save_viewport(ctx
->cso
);
323 /* set misc state we care about */
325 struct pipe_blend_state blend
;
326 memset(&blend
, 0, sizeof(blend
));
327 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
328 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
329 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
330 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
331 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
332 cso_set_blend(ctx
->cso
, &blend
);
337 struct pipe_sampler_state sampler
;
338 memset(&sampler
, 0, sizeof(sampler
));
339 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
340 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
341 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
342 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
343 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
344 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
345 sampler
.normalized_coords
= 1;
346 cso_single_sampler(ctx
->cso
, 0, &sampler
);
347 cso_single_sampler_done(ctx
->cso
);
350 vg_set_viewport(ctx
->owner
, VEGA_Y0_TOP
);
353 cso_set_fragment_sampler_views(ctx
->cso
, 1, &src
);
356 cso_set_vertex_shader_handle(ctx
->cso
, vg_texture_vs(ctx
->owner
));
357 cso_set_fragment_shader_handle(ctx
->cso
, ctx
->fs
);
360 memset(&fb
, 0, sizeof(fb
));
361 fb
.width
= dst_surf
->width
;
362 fb
.height
= dst_surf
->height
;
364 fb
.cbufs
[0] = dst_surf
;
367 for (i
= 1; i
< PIPE_MAX_COLOR_BUFS
; ++i
)
370 cso_set_framebuffer(ctx
->cso
, &fb
);
373 buf
= setup_vertex_data_tex(ctx
,
380 cso_set_vertex_elements(ctx
->cso
, 2, ctx
->owner
->velems
);
381 util_draw_vertex_buffer(ctx
->pipe
, buf
, 0,
382 PIPE_PRIM_TRIANGLE_FAN
,
384 2); /* attribs/vert */
386 pipe_resource_reference( &buf
,
390 /* restore state we changed */
391 cso_restore_blend(ctx
->cso
);
392 cso_restore_samplers(ctx
->cso
);
393 cso_restore_fragment_sampler_views(ctx
->cso
);
394 cso_restore_framebuffer(ctx
->cso
);
395 cso_restore_vertex_shader(ctx
->cso
);
396 cso_restore_fragment_shader(ctx
->cso
);
397 cso_restore_viewport(ctx
->cso
);
399 pipe_surface_reference(&dst_surf
, NULL
);
402 void renderer_copy_surface(struct renderer
*ctx
,
403 struct pipe_surface
*src
,
404 int srcX0
, int srcY0
,
405 int srcX1
, int srcY1
,
406 struct pipe_surface
*dst
,
407 int dstX0
, int dstY0
,
408 int dstX1
, int dstY1
,
409 float z
, unsigned filter
)
411 struct pipe_context
*pipe
= ctx
->pipe
;
412 struct pipe_screen
*screen
= pipe
->screen
;
413 struct pipe_resource
*buf
;
414 struct pipe_sampler_view view_templ
;
415 struct pipe_sampler_view
*view
;
416 struct pipe_resource texTemp
, *tex
;
417 struct pipe_surface
*texSurf
;
418 struct pipe_framebuffer_state fb
;
419 struct st_framebuffer
*stfb
= ctx
->owner
->draw_buffer
;
420 const int srcW
= abs(srcX1
- srcX0
);
421 const int srcH
= abs(srcY1
- srcY0
);
422 const int srcLeft
= MIN2(srcX0
, srcX1
);
423 const int srcTop
= MIN2(srcY0
, srcY1
);
425 assert(filter
== PIPE_TEX_MIPFILTER_NEAREST
||
426 filter
== PIPE_TEX_MIPFILTER_LINEAR
);
428 if (srcLeft
!= srcX0
) {
429 /* left-right flip */
435 if (srcTop
!= srcY0
) {
442 assert(screen
->is_format_supported(screen
, src
->format
, PIPE_TEXTURE_2D
,
443 PIPE_BIND_SAMPLER_VIEW
, 0));
444 assert(screen
->is_format_supported(screen
, dst
->format
, PIPE_TEXTURE_2D
,
445 PIPE_BIND_SAMPLER_VIEW
, 0));
446 assert(screen
->is_format_supported(screen
, dst
->format
, PIPE_TEXTURE_2D
,
447 PIPE_BIND_RENDER_TARGET
, 0));
450 * XXX for now we're always creating a temporary texture.
451 * Strictly speaking that's not always needed.
454 /* create temp texture */
455 memset(&texTemp
, 0, sizeof(texTemp
));
456 texTemp
.target
= PIPE_TEXTURE_2D
;
457 texTemp
.format
= src
->format
;
458 texTemp
.last_level
= 0;
459 texTemp
.width0
= srcW
;
460 texTemp
.height0
= srcH
;
463 tex
= screen
->resource_create(screen
, &texTemp
);
467 u_sampler_view_default_template(&view_templ
, tex
, tex
->format
);
468 view
= pipe
->create_sampler_view(pipe
, tex
, &view_templ
);
473 texSurf
= screen
->get_tex_surface(screen
, tex
, 0, 0, 0,
474 PIPE_BIND_RENDER_TARGET
);
476 /* load temp texture */
477 if (pipe
->surface_copy
) {
478 pipe
->surface_copy(pipe
,
479 texSurf
, 0, 0, /* dest */
480 src
, srcLeft
, srcTop
, /* src */
481 srcW
, srcH
); /* size */
483 util_surface_copy(pipe
, FALSE
,
484 texSurf
, 0, 0, /* dest */
485 src
, srcLeft
, srcTop
, /* src */
486 srcW
, srcH
); /* size */
489 /* free the surface, update the texture if necessary.*/
490 screen
->tex_surface_destroy(texSurf
);
492 /* save state (restored below) */
493 cso_save_blend(ctx
->cso
);
494 cso_save_samplers(ctx
->cso
);
495 cso_save_fragment_sampler_views(ctx
->cso
);
496 cso_save_framebuffer(ctx
->cso
);
497 cso_save_fragment_shader(ctx
->cso
);
498 cso_save_vertex_shader(ctx
->cso
);
499 cso_save_viewport(ctx
->cso
);
501 /* set misc state we care about */
503 struct pipe_blend_state blend
;
504 memset(&blend
, 0, sizeof(blend
));
505 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
506 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
507 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
508 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
509 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
510 cso_set_blend(ctx
->cso
, &blend
);
513 vg_set_viewport(ctx
->owner
, VEGA_Y0_TOP
);
517 struct pipe_sampler_state sampler
;
518 memset(&sampler
, 0, sizeof(sampler
));
519 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
520 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
521 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
522 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
523 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
524 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
525 sampler
.normalized_coords
= 1;
526 cso_single_sampler(ctx
->cso
, 0, &sampler
);
527 cso_single_sampler_done(ctx
->cso
);
531 cso_set_fragment_sampler_views(ctx
->cso
, 1, &view
);
534 cso_set_fragment_shader_handle(ctx
->cso
, ctx
->fs
);
535 cso_set_vertex_shader_handle(ctx
->cso
, vg_texture_vs(ctx
->owner
));
538 if (stfb
->strb
->surface
!= dst
) {
539 memset(&fb
, 0, sizeof(fb
));
540 fb
.width
= dst
->width
;
541 fb
.height
= dst
->height
;
544 fb
.zsbuf
= stfb
->dsrb
->surface
;
545 cso_set_framebuffer(ctx
->cso
, &fb
);
549 buf
= setup_vertex_data(ctx
,
550 (float) dstX0
, (float) dstY0
,
551 (float) dstX1
, (float) dstY1
, z
);
554 cso_set_vertex_elements(ctx
->cso
, 2, ctx
->owner
->velems
);
555 util_draw_vertex_buffer(ctx
->pipe
, buf
, 0,
556 PIPE_PRIM_TRIANGLE_FAN
,
558 2); /* attribs/vert */
560 pipe_resource_reference( &buf
,
565 /* restore state we changed */
566 cso_restore_blend(ctx
->cso
);
567 cso_restore_samplers(ctx
->cso
);
568 cso_restore_fragment_sampler_views(ctx
->cso
);
569 cso_restore_framebuffer(ctx
->cso
);
570 cso_restore_fragment_shader(ctx
->cso
);
571 cso_restore_vertex_shader(ctx
->cso
);
572 cso_restore_viewport(ctx
->cso
);
574 pipe_resource_reference(&tex
, NULL
);
575 pipe_sampler_view_reference(&view
, NULL
);
578 void renderer_texture_quad(struct renderer
*r
,
579 struct pipe_resource
*tex
,
580 VGfloat x1offset
, VGfloat y1offset
,
581 VGfloat x2offset
, VGfloat y2offset
,
582 VGfloat x1
, VGfloat y1
,
583 VGfloat x2
, VGfloat y2
,
584 VGfloat x3
, VGfloat y3
,
585 VGfloat x4
, VGfloat y4
)
587 struct pipe_context
*pipe
= r
->pipe
;
588 struct pipe_resource
*buf
;
589 VGfloat s0
, t0
, s1
, t1
;
591 assert(tex
->width0
!= 0);
592 assert(tex
->height0
!= 0);
594 s0
= x1offset
/ tex
->width0
;
595 s1
= x2offset
/ tex
->width0
;
596 t0
= y1offset
/ tex
->height0
;
597 t1
= y2offset
/ tex
->height0
;
599 cso_save_vertex_shader(r
->cso
);
601 cso_set_vertex_shader_handle(r
->cso
, vg_texture_vs(r
->owner
));
604 buf
= setup_vertex_data_qtex(r
, x1
, y1
, x2
, y2
, x3
, y3
, x4
, y4
,
605 s0
, t0
, s1
, t1
, 0.0f
);
608 cso_set_vertex_elements(r
->cso
, 2, r
->owner
->velems
);
609 util_draw_vertex_buffer(pipe
, buf
, 0,
610 PIPE_PRIM_TRIANGLE_FAN
,
612 2); /* attribs/vert */
614 pipe_resource_reference(&buf
,
618 cso_restore_vertex_shader(r
->cso
);