1 /**********************************************************
2 * Copyright 2009-2011 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 *********************************************************
26 * Zack Rusin <zackr-at-vmware-dot-com>
29 #include "xa_context.h"
32 #include "cso_cache/cso_context.h"
33 #include "util/u_inlines.h"
34 #include "util/u_sampler.h"
35 #include "util/u_draw_quad.h"
37 #define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y)))
38 #define floatIsZero(x) (floatsEqual((x) + 1, 1))
40 #define NUM_COMPONENTS 4
45 renderer_set_constants(struct xa_context
*r
,
46 int shader_type
, const float *params
, int param_bytes
);
49 is_affine(float *matrix
)
51 return floatIsZero(matrix
[2]) && floatIsZero(matrix
[5])
52 && floatsEqual(matrix
[8], 1);
56 map_point(float *mat
, float x
, float y
, float *out_x
, float *out_y
)
64 *out_x
= mat
[0] * x
+ mat
[3] * y
+ mat
[6];
65 *out_y
= mat
[1] * x
+ mat
[4] * y
+ mat
[7];
66 if (!is_affine(mat
)) {
67 float w
= 1 / (mat
[2] * x
+ mat
[5] * y
+ mat
[8]);
74 static INLINE
struct pipe_resource
*
75 renderer_buffer_create(struct xa_context
*r
)
77 struct pipe_resource
*buf
= pipe_user_buffer_create(r
->pipe
->screen
,
81 PIPE_BIND_VERTEX_BUFFER
);
89 renderer_draw(struct xa_context
*r
)
91 struct pipe_context
*pipe
= r
->pipe
;
92 struct pipe_resource
*buf
= 0;
93 int num_verts
= r
->buffer_size
/ (r
->attrs_per_vertex
* NUM_COMPONENTS
);
98 buf
= renderer_buffer_create(r
);
101 cso_set_vertex_elements(r
->cso
, r
->attrs_per_vertex
, r
->velems
);
103 util_draw_vertex_buffer(pipe
, r
->cso
, buf
, 0, PIPE_PRIM_QUADS
, num_verts
, /* verts */
104 r
->attrs_per_vertex
); /* attribs/vert */
106 pipe_resource_reference(&buf
, NULL
);
111 renderer_draw_conditional(struct xa_context
*r
, int next_batch
)
113 if (r
->buffer_size
+ next_batch
>= XA_VB_SIZE
||
114 (next_batch
== 0 && r
->buffer_size
)) {
120 renderer_init_state(struct xa_context
*r
)
122 struct pipe_depth_stencil_alpha_state dsa
;
123 struct pipe_rasterizer_state raster
;
126 /* set common initial clip state */
127 memset(&dsa
, 0, sizeof(struct pipe_depth_stencil_alpha_state
));
128 cso_set_depth_stencil_alpha(r
->cso
, &dsa
);
130 /* XXX: move to renderer_init_state? */
131 memset(&raster
, 0, sizeof(struct pipe_rasterizer_state
));
132 raster
.gl_rasterization_rules
= 1;
133 raster
.depth_clip
= 1;
134 cso_set_rasterizer(r
->cso
, &raster
);
136 /* vertex elements state */
137 memset(&r
->velems
[0], 0, sizeof(r
->velems
[0]) * 3);
138 for (i
= 0; i
< 3; i
++) {
139 r
->velems
[i
].src_offset
= i
* 4 * sizeof(float);
140 r
->velems
[i
].instance_divisor
= 0;
141 r
->velems
[i
].vertex_buffer_index
= 0;
142 r
->velems
[i
].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
147 add_vertex_color(struct xa_context
*r
, float x
, float y
, float color
[4])
149 float *vertex
= r
->buffer
+ r
->buffer_size
;
153 vertex
[2] = 0.f
; /*z */
154 vertex
[3] = 1.f
; /*w */
156 vertex
[4] = color
[0]; /*r */
157 vertex
[5] = color
[1]; /*g */
158 vertex
[6] = color
[2]; /*b */
159 vertex
[7] = color
[3]; /*a */
165 add_vertex_1tex(struct xa_context
*r
, float x
, float y
, float s
, float t
)
167 float *vertex
= r
->buffer
+ r
->buffer_size
;
171 vertex
[2] = 0.f
; /*z */
172 vertex
[3] = 1.f
; /*w */
174 vertex
[4] = s
; /*s */
175 vertex
[5] = t
; /*t */
176 vertex
[6] = 0.f
; /*r */
177 vertex
[7] = 1.f
; /*q */
183 add_vertex_2tex(struct xa_context
*r
,
184 float x
, float y
, float s0
, float t0
, float s1
, float t1
)
186 float *vertex
= r
->buffer
+ r
->buffer_size
;
190 vertex
[2] = 0.f
; /*z */
191 vertex
[3] = 1.f
; /*w */
193 vertex
[4] = s0
; /*s */
194 vertex
[5] = t0
; /*t */
195 vertex
[6] = 0.f
; /*r */
196 vertex
[7] = 1.f
; /*q */
198 vertex
[8] = s1
; /*s */
199 vertex
[9] = t1
; /*t */
200 vertex
[10] = 0.f
; /*r */
201 vertex
[11] = 1.f
; /*q */
203 r
->buffer_size
+= 12;
207 add_vertex_data1(struct xa_context
*r
,
208 float srcX
, float srcY
, float dstX
, float dstY
,
209 float width
, float height
,
210 struct pipe_resource
*src
, const float *src_matrix
)
212 float s0
, t0
, s1
, t1
, s2
, t2
, s3
, t3
;
213 float pt0
[2], pt1
[2], pt2
[2], pt3
[2];
217 pt1
[0] = (srcX
+ width
);
219 pt2
[0] = (srcX
+ width
);
220 pt2
[1] = (srcY
+ height
);
222 pt3
[1] = (srcY
+ height
);
225 map_point((float *)src_matrix
, pt0
[0], pt0
[1], &pt0
[0], &pt0
[1]);
226 map_point((float *)src_matrix
, pt1
[0], pt1
[1], &pt1
[0], &pt1
[1]);
227 map_point((float *)src_matrix
, pt2
[0], pt2
[1], &pt2
[0], &pt2
[1]);
228 map_point((float *)src_matrix
, pt3
[0], pt3
[1], &pt3
[0], &pt3
[1]);
231 s0
= pt0
[0] / src
->width0
;
232 s1
= pt1
[0] / src
->width0
;
233 s2
= pt2
[0] / src
->width0
;
234 s3
= pt3
[0] / src
->width0
;
235 t0
= pt0
[1] / src
->height0
;
236 t1
= pt1
[1] / src
->height0
;
237 t2
= pt2
[1] / src
->height0
;
238 t3
= pt3
[1] / src
->height0
;
241 add_vertex_1tex(r
, dstX
, dstY
, s0
, t0
);
243 add_vertex_1tex(r
, dstX
+ width
, dstY
, s1
, t1
);
245 add_vertex_1tex(r
, dstX
+ width
, dstY
+ height
, s2
, t2
);
247 add_vertex_1tex(r
, dstX
, dstY
+ height
, s3
, t3
);
251 add_vertex_data2(struct xa_context
*r
,
252 float srcX
, float srcY
, float maskX
, float maskY
,
253 float dstX
, float dstY
, float width
, float height
,
254 struct pipe_resource
*src
,
255 struct pipe_resource
*mask
,
256 const float *src_matrix
, const float *mask_matrix
)
258 float src_s0
, src_t0
, src_s1
, src_t1
;
259 float mask_s0
, mask_t0
, mask_s1
, mask_t1
;
260 float spt0
[2], spt1
[2];
261 float mpt0
[2], mpt1
[2];
265 spt1
[0] = srcX
+ width
;
266 spt1
[1] = srcY
+ height
;
270 mpt1
[0] = maskX
+ width
;
271 mpt1
[1] = maskY
+ height
;
274 map_point((float *)src_matrix
, spt0
[0], spt0
[1], &spt0
[0], &spt0
[1]);
275 map_point((float *)src_matrix
, spt1
[0], spt1
[1], &spt1
[0], &spt1
[1]);
279 map_point((float *)mask_matrix
, mpt0
[0], mpt0
[1], &mpt0
[0], &mpt0
[1]);
280 map_point((float *)mask_matrix
, mpt1
[0], mpt1
[1], &mpt1
[0], &mpt1
[1]);
283 src_s0
= spt0
[0] / src
->width0
;
284 src_t0
= spt0
[1] / src
->height0
;
285 src_s1
= spt1
[0] / src
->width0
;
286 src_t1
= spt1
[1] / src
->height0
;
288 mask_s0
= mpt0
[0] / mask
->width0
;
289 mask_t0
= mpt0
[1] / mask
->height0
;
290 mask_s1
= mpt1
[0] / mask
->width0
;
291 mask_t1
= mpt1
[1] / mask
->height0
;
294 add_vertex_2tex(r
, dstX
, dstY
,
295 src_s0
, src_t0
, mask_s0
, mask_t0
);
297 add_vertex_2tex(r
, dstX
+ width
, dstY
,
298 src_s1
, src_t0
, mask_s1
, mask_t0
);
300 add_vertex_2tex(r
, dstX
+ width
, dstY
+ height
,
301 src_s1
, src_t1
, mask_s1
, mask_t1
);
303 add_vertex_2tex(r
, dstX
, dstY
+ height
,
304 src_s0
, src_t1
, mask_s0
, mask_t1
);
307 static struct pipe_resource
*
308 setup_vertex_data_yuv(struct xa_context
*r
,
315 float dstW
, float dstH
, struct xa_surface
*srf
[])
317 float s0
, t0
, s1
, t1
;
318 float spt0
[2], spt1
[2];
319 struct pipe_resource
*tex
;
323 spt1
[0] = srcX
+ srcW
;
324 spt1
[1] = srcY
+ srcH
;
327 s0
= spt0
[0] / tex
->width0
;
328 t0
= spt0
[1] / tex
->height0
;
329 s1
= spt1
[0] / tex
->width0
;
330 t1
= spt1
[1] / tex
->height0
;
333 add_vertex_1tex(r
, dstX
, dstY
, s0
, t0
);
335 add_vertex_1tex(r
, dstX
+ dstW
, dstY
, s1
, t0
);
337 add_vertex_1tex(r
, dstX
+ dstW
, dstY
+ dstH
, s1
, t1
);
339 add_vertex_1tex(r
, dstX
, dstY
+ dstH
, s0
, t1
);
341 return renderer_buffer_create(r
);
344 /* Set up framebuffer, viewport and vertex shader constant buffer
345 * state for a particular destinaton surface. In all our rendering,
346 * these concepts are linked.
349 renderer_bind_destination(struct xa_context
*r
,
350 struct pipe_surface
*surface
, int width
, int height
)
353 struct pipe_framebuffer_state fb
;
354 struct pipe_viewport_state viewport
;
356 /* Framebuffer uses actual surface width/height
358 memset(&fb
, 0, sizeof fb
);
359 fb
.width
= surface
->width
;
360 fb
.height
= surface
->height
;
362 fb
.cbufs
[0] = surface
;
365 /* Viewport just touches the bit we're interested in:
367 viewport
.scale
[0] = width
/ 2.f
;
368 viewport
.scale
[1] = height
/ 2.f
;
369 viewport
.scale
[2] = 1.0;
370 viewport
.scale
[3] = 1.0;
371 viewport
.translate
[0] = width
/ 2.f
;
372 viewport
.translate
[1] = height
/ 2.f
;
373 viewport
.translate
[2] = 0.0;
374 viewport
.translate
[3] = 0.0;
376 /* Constant buffer set up to match viewport dimensions:
378 if (r
->fb_width
!= width
|| r
->fb_height
!= height
) {
379 float vs_consts
[8] = {
380 2.f
/ width
, 2.f
/ height
, 1, 1,
385 r
->fb_height
= height
;
387 renderer_set_constants(r
, PIPE_SHADER_VERTEX
,
388 vs_consts
, sizeof vs_consts
);
391 cso_set_framebuffer(r
->cso
, &fb
);
392 cso_set_viewport(r
->cso
, &viewport
);
396 renderer_set_constants(struct xa_context
*r
,
397 int shader_type
, const float *params
, int param_bytes
)
399 struct pipe_resource
**cbuf
=
400 (shader_type
== PIPE_SHADER_VERTEX
) ? &r
->vs_const_buffer
:
403 pipe_resource_reference(cbuf
, NULL
);
404 *cbuf
= pipe_buffer_create(r
->pipe
->screen
,
405 PIPE_BIND_CONSTANT_BUFFER
, PIPE_USAGE_STATIC
,
409 pipe_buffer_write(r
->pipe
, *cbuf
, 0, param_bytes
, params
);
411 r
->pipe
->set_constant_buffer(r
->pipe
, shader_type
, 0, *cbuf
);
415 renderer_copy_prepare(struct xa_context
*r
,
416 struct pipe_surface
*dst_surface
,
417 struct pipe_resource
*src_texture
,
418 const enum xa_formats src_xa_format
,
419 const enum xa_formats dst_xa_format
)
421 struct pipe_context
*pipe
= r
->pipe
;
422 struct pipe_screen
*screen
= pipe
->screen
;
423 struct xa_shader shader
;
424 uint32_t fs_traits
= FS_COMPOSITE
;
426 assert(screen
->is_format_supported(screen
, dst_surface
->format
,
428 PIPE_BIND_RENDER_TARGET
));
431 /* set misc state we care about */
433 struct pipe_blend_state blend
;
435 memset(&blend
, 0, sizeof(blend
));
436 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_ONE
;
437 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ONE
;
438 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
439 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ZERO
;
440 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
441 cso_set_blend(r
->cso
, &blend
);
446 struct pipe_sampler_state sampler
;
448 memset(&sampler
, 0, sizeof(sampler
));
449 sampler
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
450 sampler
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
451 sampler
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
452 sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
453 sampler
.min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
454 sampler
.mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
455 sampler
.normalized_coords
= 1;
456 cso_single_sampler(r
->cso
, 0, &sampler
);
457 cso_single_sampler_done(r
->cso
);
460 renderer_bind_destination(r
, dst_surface
,
461 dst_surface
->width
, dst_surface
->height
);
463 /* texture/sampler view */
465 struct pipe_sampler_view templ
;
466 struct pipe_sampler_view
*src_view
;
468 u_sampler_view_default_template(&templ
,
469 src_texture
, src_texture
->format
);
470 src_view
= pipe
->create_sampler_view(pipe
, src_texture
, &templ
);
471 cso_set_fragment_sampler_views(r
->cso
, 1, &src_view
);
472 pipe_sampler_view_reference(&src_view
, NULL
);
476 if (src_texture
->format
== PIPE_FORMAT_L8_UNORM
)
477 fs_traits
|= FS_SRC_LUMINANCE
;
478 if (dst_surface
->format
== PIPE_FORMAT_L8_UNORM
)
479 fs_traits
|= FS_DST_LUMINANCE
;
480 if (xa_format_a(dst_xa_format
) != 0 &&
481 xa_format_a(src_xa_format
) == 0)
482 fs_traits
|= FS_SRC_SET_ALPHA
;
484 shader
= xa_shaders_get(r
->shaders
, VS_COMPOSITE
, fs_traits
);
485 cso_set_vertex_shader_handle(r
->cso
, shader
.vs
);
486 cso_set_fragment_shader_handle(r
->cso
, shader
.fs
);
489 r
->attrs_per_vertex
= 2;
493 renderer_copy(struct xa_context
*r
,
498 int width
, int height
, float src_width
, float src_height
)
500 float s0
, t0
, s1
, t1
;
501 float x0
, y0
, x1
, y1
;
503 /* XXX: could put the texcoord scaling calculation into the vertex
507 s1
= (sx
+ width
) / src_width
;
508 t0
= sy
/ src_height
;
509 t1
= (sy
+ height
) / src_height
;
517 renderer_draw_conditional(r
, 4 * 8);
518 add_vertex_1tex(r
, x0
, y0
, s0
, t0
);
519 add_vertex_1tex(r
, x1
, y0
, s1
, t0
);
520 add_vertex_1tex(r
, x1
, y1
, s1
, t1
);
521 add_vertex_1tex(r
, x0
, y1
, s0
, t1
);
525 renderer_draw_yuv(struct xa_context
*r
,
531 int dst_y
, int dst_w
, int dst_h
, struct xa_surface
*srf
[])
533 struct pipe_context
*pipe
= r
->pipe
;
534 struct pipe_resource
*buf
= 0;
536 buf
= setup_vertex_data_yuv(r
,
537 src_x
, src_y
, src_w
, src_h
, dst_x
, dst_y
, dst_w
,
541 const int num_attribs
= 2; /*pos + tex coord */
543 cso_set_vertex_elements(r
->cso
, num_attribs
, r
->velems
);
545 util_draw_vertex_buffer(pipe
, r
->cso
, buf
, 0, PIPE_PRIM_QUADS
, 4, /* verts */
546 num_attribs
); /* attribs/vert */
548 pipe_resource_reference(&buf
, NULL
);
553 renderer_begin_solid(struct xa_context
*r
)
556 r
->attrs_per_vertex
= 2;
560 renderer_solid(struct xa_context
*r
,
561 int x0
, int y0
, int x1
, int y1
, float *color
)
564 * debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
565 * x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */
567 renderer_draw_conditional(r
, 4 * 8);
570 add_vertex_color(r
, x0
, y0
, color
);
572 add_vertex_color(r
, x1
, y0
, color
);
574 add_vertex_color(r
, x1
, y1
, color
);
576 add_vertex_color(r
, x0
, y1
, color
);
580 renderer_draw_flush(struct xa_context
*r
)
582 renderer_draw_conditional(r
, 0);
586 renderer_begin_textures(struct xa_context
*r
)
588 r
->attrs_per_vertex
= 1 + r
->num_bound_samplers
;
593 renderer_texture(struct xa_context
*r
,
595 int width
, int height
,
596 const float *src_matrix
,
597 const float *mask_matrix
)
599 struct pipe_sampler_view
**sampler_view
= r
->bound_sampler_views
;
603 debug_printf("src_matrix = \n");
604 debug_printf("%f, %f, %f\n", src_matrix
[0], src_matrix
[1], src_matrix
[2]);
605 debug_printf("%f, %f, %f\n", src_matrix
[3], src_matrix
[4], src_matrix
[5]);
606 debug_printf("%f, %f, %f\n", src_matrix
[6], src_matrix
[7], src_matrix
[8]);
609 debug_printf("mask_matrix = \n");
610 debug_printf("%f, %f, %f\n", mask_matrix
[0], mask_matrix
[1], mask_matrix
[2]);
611 debug_printf("%f, %f, %f\n", mask_matrix
[3], mask_matrix
[4], mask_matrix
[5]);
612 debug_printf("%f, %f, %f\n", mask_matrix
[6], mask_matrix
[7], mask_matrix
[8]);
616 switch(r
->attrs_per_vertex
) {
618 renderer_draw_conditional(r
, 4 * 8);
620 pos
[0], pos
[1], /* src */
621 pos
[4], pos
[5], /* dst */
623 sampler_view
[0]->texture
, src_matrix
);
626 renderer_draw_conditional(r
, 4 * 12);
628 pos
[0], pos
[1], /* src */
629 pos
[2], pos
[3], /* mask */
630 pos
[4], pos
[5], /* dst */
632 sampler_view
[0]->texture
, sampler_view
[1]->texture
,
633 src_matrix
, mask_matrix
);