2 #include "xorg_renderer.h"
4 #include "xorg_exa_tgsi.h"
6 #include "cso_cache/cso_context.h"
7 #include "util/u_draw_quad.h"
8 #include "util/u_math.h"
9 #include "util/u_memory.h"
10 #include "util/u_rect.h"
11 #include "util/u_sampler.h"
13 #include "util/u_inlines.h"
17 #define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y)))
18 #define floatIsZero(x) (floatsEqual((x) + 1, 1))
20 #define NUM_COMPONENTS 4
22 static INLINE boolean
is_affine(float *matrix
)
24 return floatIsZero(matrix
[2]) && floatIsZero(matrix
[5])
25 && floatsEqual(matrix
[8], 1);
27 static INLINE
void map_point(float *mat
, float x
, float y
,
28 float *out_x
, float *out_y
)
36 *out_x
= mat
[0]*x
+ mat
[3]*y
+ mat
[6];
37 *out_y
= mat
[1]*x
+ mat
[4]*y
+ mat
[7];
38 if (!is_affine(mat
)) {
39 float w
= 1/(mat
[2]*x
+ mat
[5]*y
+ mat
[8]);
45 static INLINE
struct pipe_buffer
*
46 renderer_buffer_create(struct xorg_renderer
*r
)
48 struct pipe_buffer
*buf
=
49 pipe_user_buffer_create(r
->pipe
->screen
,
59 renderer_draw(struct xorg_renderer
*r
)
61 struct pipe_context
*pipe
= r
->pipe
;
62 struct pipe_buffer
*buf
= 0;
63 int num_verts
= r
->buffer_size
/(r
->attrs_per_vertex
* NUM_COMPONENTS
);
68 buf
= renderer_buffer_create(r
);
72 cso_set_vertex_elements(r
->cso
, r
->attrs_per_vertex
, r
->velems
);
74 util_draw_vertex_buffer(pipe
, buf
, 0,
76 num_verts
, /* verts */
77 r
->attrs_per_vertex
); /* attribs/vert */
79 pipe_buffer_reference(&buf
, NULL
);
84 renderer_draw_conditional(struct xorg_renderer
*r
,
87 if (r
->buffer_size
+ next_batch
>= BUF_SIZE
||
88 (next_batch
== 0 && r
->buffer_size
)) {
94 renderer_init_state(struct xorg_renderer
*r
)
96 struct pipe_depth_stencil_alpha_state dsa
;
97 struct pipe_rasterizer_state raster
;
100 /* set common initial clip state */
101 memset(&dsa
, 0, sizeof(struct pipe_depth_stencil_alpha_state
));
102 cso_set_depth_stencil_alpha(r
->cso
, &dsa
);
105 /* XXX: move to renderer_init_state? */
106 memset(&raster
, 0, sizeof(struct pipe_rasterizer_state
));
107 raster
.gl_rasterization_rules
= 1;
108 cso_set_rasterizer(r
->cso
, &raster
);
110 /* vertex elements state */
111 memset(&r
->velems
[0], 0, sizeof(r
->velems
[0]) * 3);
112 for (i
= 0; i
< 3; i
++) {
113 r
->velems
[i
].src_offset
= i
* 4 * sizeof(float);
114 r
->velems
[i
].instance_divisor
= 0;
115 r
->velems
[i
].vertex_buffer_index
= 0;
116 r
->velems
[i
].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
122 add_vertex_color(struct xorg_renderer
*r
,
126 float *vertex
= r
->buffer
+ r
->buffer_size
;
130 vertex
[2] = 0.f
; /*z*/
131 vertex
[3] = 1.f
; /*w*/
133 vertex
[4] = color
[0]; /*r*/
134 vertex
[5] = color
[1]; /*g*/
135 vertex
[6] = color
[2]; /*b*/
136 vertex
[7] = color
[3]; /*a*/
142 add_vertex_1tex(struct xorg_renderer
*r
,
143 float x
, float y
, float s
, float t
)
145 float *vertex
= r
->buffer
+ r
->buffer_size
;
149 vertex
[2] = 0.f
; /*z*/
150 vertex
[3] = 1.f
; /*w*/
154 vertex
[6] = 0.f
; /*r*/
155 vertex
[7] = 1.f
; /*q*/
161 add_vertex_data1(struct xorg_renderer
*r
,
162 float srcX
, float srcY
, float dstX
, float dstY
,
163 float width
, float height
,
164 struct pipe_texture
*src
, float *src_matrix
)
166 float s0
, t0
, s1
, t1
, s2
, t2
, s3
, t3
;
167 float pt0
[2], pt1
[2], pt2
[2], pt3
[2];
171 pt1
[0] = (srcX
+ width
);
173 pt2
[0] = (srcX
+ width
);
174 pt2
[1] = (srcY
+ height
);
176 pt3
[1] = (srcY
+ height
);
179 map_point(src_matrix
, pt0
[0], pt0
[1], &pt0
[0], &pt0
[1]);
180 map_point(src_matrix
, pt1
[0], pt1
[1], &pt1
[0], &pt1
[1]);
181 map_point(src_matrix
, pt2
[0], pt2
[1], &pt2
[0], &pt2
[1]);
182 map_point(src_matrix
, pt3
[0], pt3
[1], &pt3
[0], &pt3
[1]);
185 s0
= pt0
[0] / src
->width0
;
186 s1
= pt1
[0] / src
->width0
;
187 s2
= pt2
[0] / src
->width0
;
188 s3
= pt3
[0] / src
->width0
;
189 t0
= pt0
[1] / src
->height0
;
190 t1
= pt1
[1] / src
->height0
;
191 t2
= pt2
[1] / src
->height0
;
192 t3
= pt3
[1] / src
->height0
;
195 add_vertex_1tex(r
, dstX
, dstY
, s0
, t0
);
197 add_vertex_1tex(r
, dstX
+ width
, dstY
, s1
, t1
);
199 add_vertex_1tex(r
, dstX
+ width
, dstY
+ height
, s2
, t2
);
201 add_vertex_1tex(r
, dstX
, dstY
+ height
, s3
, t3
);
206 add_vertex_2tex(struct xorg_renderer
*r
,
208 float s0
, float t0
, float s1
, float t1
)
210 float *vertex
= r
->buffer
+ r
->buffer_size
;
214 vertex
[2] = 0.f
; /*z*/
215 vertex
[3] = 1.f
; /*w*/
217 vertex
[4] = s0
; /*s*/
218 vertex
[5] = t0
; /*t*/
219 vertex
[6] = 0.f
; /*r*/
220 vertex
[7] = 1.f
; /*q*/
222 vertex
[8] = s1
; /*s*/
223 vertex
[9] = t1
; /*t*/
224 vertex
[10] = 0.f
; /*r*/
225 vertex
[11] = 1.f
; /*q*/
227 r
->buffer_size
+= 12;
231 add_vertex_data2(struct xorg_renderer
*r
,
232 float srcX
, float srcY
, float maskX
, float maskY
,
233 float dstX
, float dstY
, float width
, float height
,
234 struct pipe_texture
*src
,
235 struct pipe_texture
*mask
,
236 float *src_matrix
, float *mask_matrix
)
238 float src_s0
, src_t0
, src_s1
, src_t1
;
239 float mask_s0
, mask_t0
, mask_s1
, mask_t1
;
240 float spt0
[2], spt1
[2];
241 float mpt0
[2], mpt1
[2];
245 spt1
[0] = srcX
+ width
;
246 spt1
[1] = srcY
+ height
;
250 mpt1
[0] = maskX
+ width
;
251 mpt1
[1] = maskY
+ height
;
254 map_point(src_matrix
, spt0
[0], spt0
[1], &spt0
[0], &spt0
[1]);
255 map_point(src_matrix
, spt1
[0], spt1
[1], &spt1
[0], &spt1
[1]);
259 map_point(mask_matrix
, mpt0
[0], mpt0
[1], &mpt0
[0], &mpt0
[1]);
260 map_point(mask_matrix
, mpt1
[0], mpt1
[1], &mpt1
[0], &mpt1
[1]);
263 src_s0
= spt0
[0] / src
->width0
;
264 src_t0
= spt0
[1] / src
->height0
;
265 src_s1
= spt1
[0] / src
->width0
;
266 src_t1
= spt1
[1] / src
->height0
;
268 mask_s0
= mpt0
[0] / mask
->width0
;
269 mask_t0
= mpt0
[1] / mask
->height0
;
270 mask_s1
= mpt1
[0] / mask
->width0
;
271 mask_t1
= mpt1
[1] / mask
->height0
;
274 add_vertex_2tex(r
, dstX
, dstY
,
275 src_s0
, src_t0
, mask_s0
, mask_t0
);
277 add_vertex_2tex(r
, dstX
+ width
, dstY
,
278 src_s1
, src_t0
, mask_s1
, mask_t0
);
280 add_vertex_2tex(r
, dstX
+ width
, dstY
+ height
,
281 src_s1
, src_t1
, mask_s1
, mask_t1
);
283 add_vertex_2tex(r
, dstX
, dstY
+ height
,
284 src_s0
, src_t1
, mask_s0
, mask_t1
);
287 static struct pipe_buffer
*
288 setup_vertex_data_yuv(struct xorg_renderer
*r
,
289 float srcX
, float srcY
, float srcW
, float srcH
,
290 float dstX
, float dstY
, float dstW
, float dstH
,
291 struct pipe_texture
**tex
)
293 float s0
, t0
, s1
, t1
;
294 float spt0
[2], spt1
[2];
298 spt1
[0] = srcX
+ srcW
;
299 spt1
[1] = srcY
+ srcH
;
301 s0
= spt0
[0] / tex
[0]->width0
;
302 t0
= spt0
[1] / tex
[0]->height0
;
303 s1
= spt1
[0] / tex
[0]->width0
;
304 t1
= spt1
[1] / tex
[0]->height0
;
307 add_vertex_1tex(r
, dstX
, dstY
, s0
, t0
);
309 add_vertex_1tex(r
, dstX
+ dstW
, dstY
,
312 add_vertex_1tex(r
, dstX
+ dstW
, dstY
+ dstH
,
315 add_vertex_1tex(r
, dstX
, dstY
+ dstH
,
318 return renderer_buffer_create(r
);
323 /* Set up framebuffer, viewport and vertex shader constant buffer
324 * state for a particular destinaton surface. In all our rendering,
325 * these concepts are linked.
327 void renderer_bind_destination(struct xorg_renderer
*r
,
328 struct pipe_surface
*surface
,
333 struct pipe_framebuffer_state fb
;
334 struct pipe_viewport_state viewport
;
336 /* Framebuffer uses actual surface width/height
338 memset(&fb
, 0, sizeof fb
);
339 fb
.width
= surface
->width
;
340 fb
.height
= surface
->height
;
342 fb
.cbufs
[0] = surface
;
345 /* Viewport just touches the bit we're interested in:
347 viewport
.scale
[0] = width
/ 2.f
;
348 viewport
.scale
[1] = height
/ 2.f
;
349 viewport
.scale
[2] = 1.0;
350 viewport
.scale
[3] = 1.0;
351 viewport
.translate
[0] = width
/ 2.f
;
352 viewport
.translate
[1] = height
/ 2.f
;
353 viewport
.translate
[2] = 0.0;
354 viewport
.translate
[3] = 0.0;
356 /* Constant buffer set up to match viewport dimensions:
358 if (r
->fb_width
!= width
||
359 r
->fb_height
!= height
)
361 float vs_consts
[8] = {
362 2.f
/width
, 2.f
/height
, 1, 1,
367 r
->fb_height
= height
;
369 renderer_set_constants(r
, PIPE_SHADER_VERTEX
,
370 vs_consts
, sizeof vs_consts
);
373 cso_set_framebuffer(r
->cso
, &fb
);
374 cso_set_viewport(r
->cso
, &viewport
);
378 struct xorg_renderer
* renderer_create(struct pipe_context
*pipe
)
380 struct xorg_renderer
*renderer
= CALLOC_STRUCT(xorg_renderer
);
382 renderer
->pipe
= pipe
;
383 renderer
->cso
= cso_create_context(pipe
);
384 renderer
->shaders
= xorg_shaders_create(renderer
);
386 renderer_init_state(renderer
);
391 void renderer_destroy(struct xorg_renderer
*r
)
393 struct pipe_buffer
**vsbuf
= &r
->vs_const_buffer
;
394 struct pipe_buffer
**fsbuf
= &r
->fs_const_buffer
;
397 pipe_buffer_reference(vsbuf
, NULL
);
400 pipe_buffer_reference(fsbuf
, NULL
);
403 xorg_shaders_destroy(r
->shaders
);
408 cso_release_all(r
->cso
);
409 cso_destroy_context(r
->cso
);
418 void renderer_set_constants(struct xorg_renderer
*r
,
423 struct pipe_buffer
**cbuf
=
424 (shader_type
== PIPE_SHADER_VERTEX
) ? &r
->vs_const_buffer
:
427 pipe_buffer_reference(cbuf
, NULL
);
428 *cbuf
= pipe_buffer_create(r
->pipe
->screen
, 16,
429 PIPE_BUFFER_USAGE_CONSTANT
,
433 pipe_buffer_write(r
->pipe
->screen
, *cbuf
,
434 0, param_bytes
, params
);
436 r
->pipe
->set_constant_buffer(r
->pipe
, shader_type
, 0, *cbuf
);
440 void renderer_copy_prepare(struct xorg_renderer
*r
,
441 struct pipe_surface
*dst_surface
,
442 struct pipe_texture
*src_texture
)
444 struct pipe_context
*pipe
= r
->pipe
;
445 struct pipe_screen
*screen
= pipe
->screen
;
446 struct xorg_shader shader
;
448 assert(screen
->is_format_supported(screen
, dst_surface
->format
,
450 PIPE_TEXTURE_USAGE_RENDER_TARGET
,
455 /* set misc state we care about */
457 struct pipe_blend_state blend
;
458 memset(&blend
, 0, sizeof(blend
));
459 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
460 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
461 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
462 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
463 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
464 cso_set_blend(r
->cso
, &blend
);
469 struct pipe_sampler_state sampler
;
470 memset(&sampler
, 0, sizeof(sampler
));
471 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
472 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
473 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
474 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
475 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
476 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
477 sampler
.normalized_coords
= 1;
478 cso_single_sampler(r
->cso
, 0, &sampler
);
479 cso_single_sampler_done(r
->cso
);
482 renderer_bind_destination(r
, dst_surface
,
484 dst_surface
->height
);
486 /* texture/sampler view */
488 struct pipe_sampler_view templ
;
489 struct pipe_sampler_view
*src_view
;
490 u_sampler_view_default_template(&templ
,
492 src_texture
->format
);
493 src_view
= pipe
->create_sampler_view(pipe
, src_texture
, &templ
);
494 cso_set_fragment_sampler_views(r
->cso
, 1, &src_view
);
495 pipe_sampler_view_reference(&src_view
, NULL
);
499 shader
= xorg_shaders_get(r
->shaders
,
502 cso_set_vertex_shader_handle(r
->cso
, shader
.vs
);
503 cso_set_fragment_shader_handle(r
->cso
, shader
.fs
);
506 r
->attrs_per_vertex
= 2;
509 struct pipe_texture
*
510 renderer_clone_texture(struct xorg_renderer
*r
,
511 struct pipe_texture
*src
)
513 enum pipe_format format
;
514 struct pipe_context
*pipe
= r
->pipe
;
515 struct pipe_screen
*screen
= pipe
->screen
;
516 struct pipe_texture
*pt
;
517 struct pipe_texture templ
;
519 if (pipe
->is_texture_referenced(pipe
, src
, 0, 0) &
520 PIPE_REFERENCED_FOR_WRITE
)
521 pipe
->flush(pipe
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
523 /* the coming in texture should already have that invariance */
524 debug_assert(screen
->is_format_supported(screen
, src
->format
,
526 PIPE_TEXTURE_USAGE_SAMPLER
, 0));
528 format
= src
->format
;
530 memset(&templ
, 0, sizeof(templ
));
531 templ
.target
= PIPE_TEXTURE_2D
;
532 templ
.format
= format
;
533 templ
.last_level
= 0;
534 templ
.width0
= src
->width0
;
535 templ
.height0
= src
->height0
;
537 templ
.tex_usage
= PIPE_TEXTURE_USAGE_SAMPLER
;
539 pt
= screen
->texture_create(screen
, &templ
);
541 debug_assert(!pt
|| pipe_is_referenced(&pt
->reference
));
547 /* copy source framebuffer surface into texture */
548 struct pipe_surface
*ps_read
= screen
->get_tex_surface(
549 screen
, src
, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ
);
550 struct pipe_surface
*ps_tex
= screen
->get_tex_surface(
551 screen
, pt
, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE
);
552 if (pipe
->surface_copy
) {
553 pipe
->surface_copy(pipe
,
557 0, 0, src
->width0
, src
->height0
);
559 util_surface_copy(pipe
, FALSE
,
563 0, 0, src
->width0
, src
->height0
);
565 pipe_surface_reference(&ps_read
, NULL
);
566 pipe_surface_reference(&ps_tex
, NULL
);
573 void renderer_copy_pixmap(struct xorg_renderer
*r
,
576 int width
, int height
,
580 float s0
, t0
, s1
, t1
;
581 float x0
, y0
, x1
, y1
;
584 /* XXX: could put the texcoord scaling calculation into the vertex
588 s1
= (sx
+ width
) / src_width
;
589 t0
= sy
/ src_height
;
590 t1
= (sy
+ height
) / src_height
;
598 renderer_draw_conditional(r
, 4*8);
599 add_vertex_1tex(r
, x0
, y0
, s0
, t0
);
600 add_vertex_1tex(r
, x1
, y0
, s1
, t0
);
601 add_vertex_1tex(r
, x1
, y1
, s1
, t1
);
602 add_vertex_1tex(r
, x0
, y1
, s0
, t1
);
608 void renderer_draw_yuv(struct xorg_renderer
*r
,
609 int src_x
, int src_y
, int src_w
, int src_h
,
610 int dst_x
, int dst_y
, int dst_w
, int dst_h
,
611 struct pipe_texture
**textures
)
613 struct pipe_context
*pipe
= r
->pipe
;
614 struct pipe_buffer
*buf
= 0;
616 buf
= setup_vertex_data_yuv(r
,
617 src_x
, src_y
, src_w
, src_h
,
618 dst_x
, dst_y
, dst_w
, dst_h
,
622 const int num_attribs
= 2; /*pos + tex coord*/
624 cso_set_vertex_elements(r
->cso
, num_attribs
, r
->velems
);
626 util_draw_vertex_buffer(pipe
, buf
, 0,
629 num_attribs
); /* attribs/vert */
631 pipe_buffer_reference(&buf
, NULL
);
635 void renderer_begin_solid(struct xorg_renderer
*r
)
638 r
->attrs_per_vertex
= 2;
641 void renderer_solid(struct xorg_renderer
*r
,
647 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
648 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/
650 renderer_draw_conditional(r
, 4 * 8);
653 add_vertex_color(r
, x0
, y0
, color
);
655 add_vertex_color(r
, x1
, y0
, color
);
657 add_vertex_color(r
, x1
, y1
, color
);
659 add_vertex_color(r
, x0
, y1
, color
);
662 void renderer_draw_flush(struct xorg_renderer
*r
)
664 renderer_draw_conditional(r
, 0);
667 void renderer_begin_textures(struct xorg_renderer
*r
,
670 r
->attrs_per_vertex
= 1 + num_textures
;
674 void renderer_texture(struct xorg_renderer
*r
,
676 int width
, int height
,
677 struct pipe_sampler_view
**sampler_view
,
685 debug_printf("src_matrix = \n");
686 debug_printf("%f, %f, %f\n", src_matrix
[0], src_matrix
[1], src_matrix
[2]);
687 debug_printf("%f, %f, %f\n", src_matrix
[3], src_matrix
[4], src_matrix
[5]);
688 debug_printf("%f, %f, %f\n", src_matrix
[6], src_matrix
[7], src_matrix
[8]);
691 debug_printf("mask_matrix = \n");
692 debug_printf("%f, %f, %f\n", mask_matrix
[0], mask_matrix
[1], mask_matrix
[2]);
693 debug_printf("%f, %f, %f\n", mask_matrix
[3], mask_matrix
[4], mask_matrix
[5]);
694 debug_printf("%f, %f, %f\n", mask_matrix
[6], mask_matrix
[7], mask_matrix
[8]);
698 switch(r
->attrs_per_vertex
) {
700 renderer_draw_conditional(r
, 4 * 8);
702 pos
[0], pos
[1], /* src */
703 pos
[4], pos
[5], /* dst */
705 sampler_view
[0]->texture
, src_matrix
);
708 renderer_draw_conditional(r
, 4 * 12);
710 pos
[0], pos
[1], /* src */
711 pos
[2], pos
[3], /* mask */
712 pos
[4], pos
[5], /* dst */
714 sampler_view
[0]->texture
, sampler_view
[1]->texture
,
715 src_matrix
, mask_matrix
);
718 debug_assert(!"Unsupported number of textures");