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_format.h"
9 #include "util/u_math.h"
10 #include "util/u_memory.h"
11 #include "util/u_rect.h"
13 #include "pipe/p_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 util_draw_vertex_buffer(pipe
, buf
, 0,
74 num_verts
, /* verts */
75 r
->attrs_per_vertex
); /* attribs/vert */
77 pipe_buffer_reference(&buf
, NULL
);
82 renderer_draw_conditional(struct xorg_renderer
*r
,
85 if (r
->buffer_size
+ next_batch
>= BUF_SIZE
||
86 (next_batch
== 0 && r
->buffer_size
)) {
92 renderer_init_state(struct xorg_renderer
*r
)
94 struct pipe_depth_stencil_alpha_state dsa
;
95 struct pipe_rasterizer_state raster
;
97 /* set common initial clip state */
98 memset(&dsa
, 0, sizeof(struct pipe_depth_stencil_alpha_state
));
99 cso_set_depth_stencil_alpha(r
->cso
, &dsa
);
102 /* XXX: move to renderer_init_state? */
103 memset(&raster
, 0, sizeof(struct pipe_rasterizer_state
));
104 raster
.gl_rasterization_rules
= 1;
105 cso_set_rasterizer(r
->cso
, &raster
);
111 add_vertex_color(struct xorg_renderer
*r
,
115 float *vertex
= r
->buffer
+ r
->buffer_size
;
119 vertex
[2] = 0.f
; /*z*/
120 vertex
[3] = 1.f
; /*w*/
122 vertex
[4] = color
[0]; /*r*/
123 vertex
[5] = color
[1]; /*g*/
124 vertex
[6] = color
[2]; /*b*/
125 vertex
[7] = color
[3]; /*a*/
131 add_vertex_1tex(struct xorg_renderer
*r
,
132 float x
, float y
, float s
, float t
)
134 float *vertex
= r
->buffer
+ r
->buffer_size
;
138 vertex
[2] = 0.f
; /*z*/
139 vertex
[3] = 1.f
; /*w*/
143 vertex
[6] = 0.f
; /*r*/
144 vertex
[7] = 1.f
; /*q*/
150 add_vertex_data1(struct xorg_renderer
*r
,
151 float srcX
, float srcY
, float dstX
, float dstY
,
152 float width
, float height
,
153 struct pipe_texture
*src
, float *src_matrix
)
155 float s0
, t0
, s1
, t1
, s2
, t2
, s3
, t3
;
156 float pt0
[2], pt1
[2], pt2
[2], pt3
[2];
160 pt1
[0] = (srcX
+ width
);
162 pt2
[0] = (srcX
+ width
);
163 pt2
[1] = (srcY
+ height
);
165 pt3
[1] = (srcY
+ height
);
168 map_point(src_matrix
, pt0
[0], pt0
[1], &pt0
[0], &pt0
[1]);
169 map_point(src_matrix
, pt1
[0], pt1
[1], &pt1
[0], &pt1
[1]);
170 map_point(src_matrix
, pt2
[0], pt2
[1], &pt2
[0], &pt2
[1]);
171 map_point(src_matrix
, pt3
[0], pt3
[1], &pt3
[0], &pt3
[1]);
174 s0
= pt0
[0] / src
->width0
;
175 s1
= pt1
[0] / src
->width0
;
176 s2
= pt2
[0] / src
->width0
;
177 s3
= pt3
[0] / src
->width0
;
178 t0
= pt0
[1] / src
->height0
;
179 t1
= pt1
[1] / src
->height0
;
180 t2
= pt2
[1] / src
->height0
;
181 t3
= pt3
[1] / src
->height0
;
184 add_vertex_1tex(r
, dstX
, dstY
, s0
, t0
);
186 add_vertex_1tex(r
, dstX
+ width
, dstY
, s1
, t1
);
188 add_vertex_1tex(r
, dstX
+ width
, dstY
+ height
, s2
, t2
);
190 add_vertex_1tex(r
, dstX
, dstY
+ height
, s3
, t3
);
195 add_vertex_2tex(struct xorg_renderer
*r
,
197 float s0
, float t0
, float s1
, float t1
)
199 float *vertex
= r
->buffer
+ r
->buffer_size
;
203 vertex
[2] = 0.f
; /*z*/
204 vertex
[3] = 1.f
; /*w*/
206 vertex
[4] = s0
; /*s*/
207 vertex
[5] = t0
; /*t*/
208 vertex
[6] = 0.f
; /*r*/
209 vertex
[7] = 1.f
; /*q*/
211 vertex
[8] = s1
; /*s*/
212 vertex
[9] = t1
; /*t*/
213 vertex
[10] = 0.f
; /*r*/
214 vertex
[11] = 1.f
; /*q*/
216 r
->buffer_size
+= 12;
220 add_vertex_data2(struct xorg_renderer
*r
,
221 float srcX
, float srcY
, float maskX
, float maskY
,
222 float dstX
, float dstY
, float width
, float height
,
223 struct pipe_texture
*src
,
224 struct pipe_texture
*mask
,
225 float *src_matrix
, float *mask_matrix
)
227 float src_s0
, src_t0
, src_s1
, src_t1
;
228 float mask_s0
, mask_t0
, mask_s1
, mask_t1
;
229 float spt0
[2], spt1
[2];
230 float mpt0
[2], mpt1
[2];
234 spt1
[0] = srcX
+ width
;
235 spt1
[1] = srcY
+ height
;
239 mpt1
[0] = maskX
+ width
;
240 mpt1
[1] = maskY
+ height
;
243 map_point(src_matrix
, spt0
[0], spt0
[1], &spt0
[0], &spt0
[1]);
244 map_point(src_matrix
, spt1
[0], spt1
[1], &spt1
[0], &spt1
[1]);
248 map_point(mask_matrix
, mpt0
[0], mpt0
[1], &mpt0
[0], &mpt0
[1]);
249 map_point(mask_matrix
, mpt1
[0], mpt1
[1], &mpt1
[0], &mpt1
[1]);
252 src_s0
= spt0
[0] / src
->width0
;
253 src_t0
= spt0
[1] / src
->height0
;
254 src_s1
= spt1
[0] / src
->width0
;
255 src_t1
= spt1
[1] / src
->height0
;
257 mask_s0
= mpt0
[0] / mask
->width0
;
258 mask_t0
= mpt0
[1] / mask
->height0
;
259 mask_s1
= mpt1
[0] / mask
->width0
;
260 mask_t1
= mpt1
[1] / mask
->height0
;
263 add_vertex_2tex(r
, dstX
, dstY
,
264 src_s0
, src_t0
, mask_s0
, mask_t0
);
266 add_vertex_2tex(r
, dstX
+ width
, dstY
,
267 src_s1
, src_t0
, mask_s1
, mask_t0
);
269 add_vertex_2tex(r
, dstX
+ width
, dstY
+ height
,
270 src_s1
, src_t1
, mask_s1
, mask_t1
);
272 add_vertex_2tex(r
, dstX
, dstY
+ height
,
273 src_s0
, src_t1
, mask_s0
, mask_t1
);
276 static struct pipe_buffer
*
277 setup_vertex_data_yuv(struct xorg_renderer
*r
,
278 float srcX
, float srcY
, float srcW
, float srcH
,
279 float dstX
, float dstY
, float dstW
, float dstH
,
280 struct pipe_texture
**tex
)
282 float s0
, t0
, s1
, t1
;
283 float spt0
[2], spt1
[2];
287 spt1
[0] = srcX
+ srcW
;
288 spt1
[1] = srcY
+ srcH
;
290 s0
= spt0
[0] / tex
[0]->width0
;
291 t0
= spt0
[1] / tex
[0]->height0
;
292 s1
= spt1
[0] / tex
[0]->width0
;
293 t1
= spt1
[1] / tex
[0]->height0
;
296 add_vertex_1tex(r
, dstX
, dstY
, s0
, t0
);
298 add_vertex_1tex(r
, dstX
+ dstW
, dstY
,
301 add_vertex_1tex(r
, dstX
+ dstW
, dstY
+ dstH
,
304 add_vertex_1tex(r
, dstX
, dstY
+ dstH
,
307 return renderer_buffer_create(r
);
312 /* Set up framebuffer, viewport and vertex shader constant buffer
313 * state for a particular destinaton surface. In all our rendering,
314 * these concepts are linked.
316 void renderer_bind_destination(struct xorg_renderer
*r
,
317 struct pipe_surface
*surface
,
322 struct pipe_framebuffer_state fb
;
323 struct pipe_viewport_state viewport
;
325 /* Framebuffer uses actual surface width/height
327 memset(&fb
, 0, sizeof fb
);
328 fb
.width
= surface
->width
;
329 fb
.height
= surface
->height
;
331 fb
.cbufs
[0] = surface
;
334 /* Viewport just touches the bit we're interested in:
336 viewport
.scale
[0] = width
/ 2.f
;
337 viewport
.scale
[1] = height
/ 2.f
;
338 viewport
.scale
[2] = 1.0;
339 viewport
.scale
[3] = 1.0;
340 viewport
.translate
[0] = width
/ 2.f
;
341 viewport
.translate
[1] = height
/ 2.f
;
342 viewport
.translate
[2] = 0.0;
343 viewport
.translate
[3] = 0.0;
345 /* Constant buffer set up to match viewport dimensions:
347 if (r
->fb_width
!= width
||
348 r
->fb_height
!= height
)
350 float vs_consts
[8] = {
351 2.f
/width
, 2.f
/height
, 1, 1,
356 r
->fb_height
= height
;
358 renderer_set_constants(r
, PIPE_SHADER_VERTEX
,
359 vs_consts
, sizeof vs_consts
);
362 cso_set_framebuffer(r
->cso
, &fb
);
363 cso_set_viewport(r
->cso
, &viewport
);
367 struct xorg_renderer
* renderer_create(struct pipe_context
*pipe
)
369 struct xorg_renderer
*renderer
= CALLOC_STRUCT(xorg_renderer
);
371 renderer
->pipe
= pipe
;
372 renderer
->cso
= cso_create_context(pipe
);
373 renderer
->shaders
= xorg_shaders_create(renderer
);
375 renderer_init_state(renderer
);
380 void renderer_destroy(struct xorg_renderer
*r
)
382 struct pipe_constant_buffer
*vsbuf
= &r
->vs_const_buffer
;
383 struct pipe_constant_buffer
*fsbuf
= &r
->fs_const_buffer
;
385 if (vsbuf
&& vsbuf
->buffer
)
386 pipe_buffer_reference(&vsbuf
->buffer
, NULL
);
388 if (fsbuf
&& fsbuf
->buffer
)
389 pipe_buffer_reference(&fsbuf
->buffer
, NULL
);
392 xorg_shaders_destroy(r
->shaders
);
397 cso_release_all(r
->cso
);
398 cso_destroy_context(r
->cso
);
407 void renderer_set_constants(struct xorg_renderer
*r
,
412 struct pipe_constant_buffer
*cbuf
=
413 (shader_type
== PIPE_SHADER_VERTEX
) ? &r
->vs_const_buffer
:
416 pipe_buffer_reference(&cbuf
->buffer
, NULL
);
417 cbuf
->buffer
= pipe_buffer_create(r
->pipe
->screen
, 16,
418 PIPE_BUFFER_USAGE_CONSTANT
,
422 pipe_buffer_write(r
->pipe
->screen
, cbuf
->buffer
,
423 0, param_bytes
, params
);
425 r
->pipe
->set_constant_buffer(r
->pipe
, shader_type
, 0, cbuf
);
429 void renderer_copy_prepare(struct xorg_renderer
*r
,
430 struct pipe_surface
*dst_surface
,
431 struct pipe_texture
*src_texture
)
433 struct pipe_context
*pipe
= r
->pipe
;
434 struct pipe_screen
*screen
= pipe
->screen
;
435 struct xorg_shader shader
;
437 assert(screen
->is_format_supported(screen
, dst_surface
->format
,
439 PIPE_TEXTURE_USAGE_RENDER_TARGET
,
444 /* set misc state we care about */
446 struct pipe_blend_state blend
;
447 memset(&blend
, 0, sizeof(blend
));
448 blend
.rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
449 blend
.alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
450 blend
.rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
451 blend
.alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
452 blend
.colormask
= PIPE_MASK_RGBA
;
453 cso_set_blend(r
->cso
, &blend
);
458 struct pipe_sampler_state sampler
;
459 memset(&sampler
, 0, sizeof(sampler
));
460 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
461 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
462 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
463 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
464 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
465 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
466 sampler
.normalized_coords
= 1;
467 cso_single_sampler(r
->cso
, 0, &sampler
);
468 cso_single_sampler_done(r
->cso
);
471 renderer_bind_destination(r
, dst_surface
,
473 dst_surface
->height
);
476 cso_set_sampler_textures(r
->cso
, 1, &src_texture
);
479 shader
= xorg_shaders_get(r
->shaders
,
482 cso_set_vertex_shader_handle(r
->cso
, shader
.vs
);
483 cso_set_fragment_shader_handle(r
->cso
, shader
.fs
);
486 r
->attrs_per_vertex
= 2;
489 struct pipe_texture
*
490 renderer_clone_texture(struct xorg_renderer
*r
,
491 struct pipe_texture
*src
)
493 enum pipe_format format
;
494 struct pipe_context
*pipe
= r
->pipe
;
495 struct pipe_screen
*screen
= pipe
->screen
;
496 struct pipe_texture
*pt
;
497 struct pipe_texture templ
;
499 if (pipe
->is_texture_referenced(pipe
, src
, 0, 0) &
500 PIPE_REFERENCED_FOR_WRITE
)
501 pipe
->flush(pipe
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
503 /* the coming in texture should already have that invariance */
504 debug_assert(screen
->is_format_supported(screen
, src
->format
,
506 PIPE_TEXTURE_USAGE_SAMPLER
, 0));
508 format
= src
->format
;
510 memset(&templ
, 0, sizeof(templ
));
511 templ
.target
= PIPE_TEXTURE_2D
;
512 templ
.format
= format
;
513 templ
.last_level
= 0;
514 templ
.width0
= src
->width0
;
515 templ
.height0
= src
->height0
;
517 templ
.tex_usage
= PIPE_TEXTURE_USAGE_SAMPLER
;
519 pt
= screen
->texture_create(screen
, &templ
);
521 debug_assert(!pt
|| pipe_is_referenced(&pt
->reference
));
527 /* copy source framebuffer surface into texture */
528 struct pipe_surface
*ps_read
= screen
->get_tex_surface(
529 screen
, src
, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ
);
530 struct pipe_surface
*ps_tex
= screen
->get_tex_surface(
531 screen
, pt
, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE
);
532 if (pipe
->surface_copy
) {
533 pipe
->surface_copy(pipe
,
537 0, 0, src
->width0
, src
->height0
);
539 util_surface_copy(pipe
, FALSE
,
543 0, 0, src
->width0
, src
->height0
);
545 pipe_surface_reference(&ps_read
, NULL
);
546 pipe_surface_reference(&ps_tex
, NULL
);
553 void renderer_copy_pixmap(struct xorg_renderer
*r
,
556 int width
, int height
,
560 float s0
, t0
, s1
, t1
;
561 float x0
, y0
, x1
, y1
;
564 /* XXX: could put the texcoord scaling calculation into the vertex
568 s1
= (sx
+ width
) / src_width
;
569 t0
= sy
/ src_height
;
570 t1
= (sy
+ height
) / src_height
;
578 renderer_draw_conditional(r
, 4*8);
579 add_vertex_1tex(r
, x0
, y0
, s0
, t0
);
580 add_vertex_1tex(r
, x1
, y0
, s1
, t0
);
581 add_vertex_1tex(r
, x1
, y1
, s1
, t1
);
582 add_vertex_1tex(r
, x0
, y1
, s0
, t1
);
588 void renderer_draw_yuv(struct xorg_renderer
*r
,
589 int src_x
, int src_y
, int src_w
, int src_h
,
590 int dst_x
, int dst_y
, int dst_w
, int dst_h
,
591 struct pipe_texture
**textures
)
593 struct pipe_context
*pipe
= r
->pipe
;
594 struct pipe_buffer
*buf
= 0;
596 buf
= setup_vertex_data_yuv(r
,
597 src_x
, src_y
, src_w
, src_h
,
598 dst_x
, dst_y
, dst_w
, dst_h
,
602 const int num_attribs
= 2; /*pos + tex coord*/
604 util_draw_vertex_buffer(pipe
, buf
, 0,
607 num_attribs
); /* attribs/vert */
609 pipe_buffer_reference(&buf
, NULL
);
613 void renderer_begin_solid(struct xorg_renderer
*r
)
616 r
->attrs_per_vertex
= 2;
619 void renderer_solid(struct xorg_renderer
*r
,
625 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
626 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/
628 renderer_draw_conditional(r
, 4 * 8);
631 add_vertex_color(r
, x0
, y0
, color
);
633 add_vertex_color(r
, x1
, y0
, color
);
635 add_vertex_color(r
, x1
, y1
, color
);
637 add_vertex_color(r
, x0
, y1
, color
);
640 void renderer_draw_flush(struct xorg_renderer
*r
)
642 renderer_draw_conditional(r
, 0);
645 void renderer_begin_textures(struct xorg_renderer
*r
,
646 struct pipe_texture
**textures
,
649 r
->attrs_per_vertex
= 1 + num_textures
;
653 void renderer_texture(struct xorg_renderer
*r
,
655 int width
, int height
,
656 struct pipe_texture
**textures
,
664 debug_printf("src_matrix = \n");
665 debug_printf("%f, %f, %f\n", src_matrix
[0], src_matrix
[1], src_matrix
[2]);
666 debug_printf("%f, %f, %f\n", src_matrix
[3], src_matrix
[4], src_matrix
[5]);
667 debug_printf("%f, %f, %f\n", src_matrix
[6], src_matrix
[7], src_matrix
[8]);
670 debug_printf("mask_matrix = \n");
671 debug_printf("%f, %f, %f\n", mask_matrix
[0], mask_matrix
[1], mask_matrix
[2]);
672 debug_printf("%f, %f, %f\n", mask_matrix
[3], mask_matrix
[4], mask_matrix
[5]);
673 debug_printf("%f, %f, %f\n", mask_matrix
[6], mask_matrix
[7], mask_matrix
[8]);
677 switch(r
->attrs_per_vertex
) {
679 renderer_draw_conditional(r
, 4 * 8);
681 pos
[0], pos
[1], /* src */
682 pos
[4], pos
[5], /* dst */
684 textures
[0], src_matrix
);
687 renderer_draw_conditional(r
, 4 * 12);
689 pos
[0], pos
[1], /* src */
690 pos
[2], pos
[3], /* mask */
691 pos
[4], pos
[5], /* dst */
693 textures
[0], textures
[1],
694 src_matrix
, mask_matrix
);
697 debug_assert(!"Unsupported number of textures");