1 #include "xorg_composite.h"
3 #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"
10 #include "pipe/p_inlines.h"
12 /*XXX also in Xrender.h but the including it here breaks compilition */
13 #define XFixedToDouble(f) (((double) (f)) / 65536.)
15 struct xorg_composite_blend
{
18 unsigned alpha_dst
: 4;
19 unsigned alpha_src
: 4;
21 unsigned rgb_src
: 8; /**< PIPE_BLENDFACTOR_x */
22 unsigned rgb_dst
: 8; /**< PIPE_BLENDFACTOR_x */
25 #define BLEND_OP_OVER 3
26 static const struct xorg_composite_blend xorg_blends
[] = {
28 0, 0, PIPE_BLENDFACTOR_ZERO
, PIPE_BLENDFACTOR_ZERO
},
30 0, 0, PIPE_BLENDFACTOR_ONE
, PIPE_BLENDFACTOR_ZERO
},
32 0, 0, PIPE_BLENDFACTOR_ZERO
, PIPE_BLENDFACTOR_ONE
},
34 0, 1, PIPE_BLENDFACTOR_ONE
, PIPE_BLENDFACTOR_INV_SRC_ALPHA
},
36 1, 0, PIPE_BLENDFACTOR_INV_DST_ALPHA
, PIPE_BLENDFACTOR_ONE
},
38 1, 0, PIPE_BLENDFACTOR_DST_ALPHA
, PIPE_BLENDFACTOR_ZERO
},
40 0, 1, PIPE_BLENDFACTOR_ZERO
, PIPE_BLENDFACTOR_SRC_ALPHA
},
42 1, 0, PIPE_BLENDFACTOR_INV_DST_ALPHA
, PIPE_BLENDFACTOR_ZERO
},
44 0, 1, PIPE_BLENDFACTOR_ZERO
, PIPE_BLENDFACTOR_INV_SRC_ALPHA
},
46 1, 1, PIPE_BLENDFACTOR_DST_ALPHA
, PIPE_BLENDFACTOR_INV_SRC_ALPHA
},
48 1, 1, PIPE_BLENDFACTOR_INV_DST_ALPHA
, PIPE_BLENDFACTOR_SRC_ALPHA
},
50 1, 1, PIPE_BLENDFACTOR_INV_DST_ALPHA
, PIPE_BLENDFACTOR_INV_SRC_ALPHA
},
52 0, 0, PIPE_BLENDFACTOR_ONE
, PIPE_BLENDFACTOR_ONE
},
57 pixel_to_float4(Pixel pixel
, float *color
)
61 a
= (pixel
>> 24) & 0xff;
62 r
= (pixel
>> 16) & 0xff;
63 g
= (pixel
>> 8) & 0xff;
64 b
= (pixel
>> 0) & 0xff;
65 color
[0] = ((float)r
) / 255.;
66 color
[1] = ((float)g
) / 255.;
67 color
[2] = ((float)b
) / 255.;
68 color
[3] = ((float)a
) / 255.;
72 blend_for_op(struct xorg_composite_blend
*blend
,
73 int op
, PicturePtr pSrcPicture
, PicturePtr pMaskPicture
,
74 PicturePtr pDstPicture
)
76 const int num_blends
=
77 sizeof(xorg_blends
)/sizeof(struct xorg_composite_blend
);
79 boolean supported
= FALSE
;
81 /* our default in case something goes wrong */
82 *blend
= xorg_blends
[BLEND_OP_OVER
];
84 for (i
= 0; i
< num_blends
; ++i
) {
85 if (xorg_blends
[i
].op
== op
) {
86 *blend
= xorg_blends
[i
];
91 /* If there's no dst alpha channel, adjust the blend op so that we'll treat
94 PICT_FORMAT_A(pDstPicture
->format
) == 0 && blend
->alpha_dst
) {
95 if (blend
->rgb_src
== PIPE_BLENDFACTOR_DST_ALPHA
)
96 blend
->rgb_src
= PIPE_BLENDFACTOR_ONE
;
97 else if (blend
->rgb_src
== PIPE_BLENDFACTOR_INV_DST_ALPHA
)
98 blend
->rgb_src
= PIPE_BLENDFACTOR_ZERO
;
101 /* If the source alpha is being used, then we should only be in a case where
102 * the source blend factor is 0, and the source blend value is the mask
103 * channels multiplied by the source picture's alpha. */
104 if (pMaskPicture
&& pMaskPicture
->componentAlpha
&&
105 PICT_FORMAT_RGB(pMaskPicture
->format
) && blend
->alpha_src
) {
106 if (blend
->rgb_dst
== PIPE_BLENDFACTOR_SRC_ALPHA
) {
107 blend
->rgb_dst
= PIPE_BLENDFACTOR_SRC_COLOR
;
108 } else if (blend
->rgb_dst
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
) {
109 blend
->rgb_dst
= PIPE_BLENDFACTOR_INV_SRC_COLOR
;
117 render_repeat_to_gallium(int mode
)
121 return PIPE_TEX_WRAP_CLAMP
;
123 return PIPE_TEX_WRAP_REPEAT
;
125 return PIPE_TEX_WRAP_MIRROR_REPEAT
;
127 return PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
129 debug_printf("Unsupported repeat mode\n");
131 return PIPE_TEX_WRAP_REPEAT
;
134 static INLINE boolean
135 render_filter_to_gallium(int xrender_filter
, int *out_filter
)
138 switch (xrender_filter
) {
139 case PictFilterNearest
:
140 *out_filter
= PIPE_TEX_FILTER_NEAREST
;
142 case PictFilterBilinear
:
143 *out_filter
= PIPE_TEX_FILTER_LINEAR
;
146 *out_filter
= PIPE_TEX_FILTER_NEAREST
;
149 *out_filter
= PIPE_TEX_FILTER_LINEAR
;
152 *out_filter
= PIPE_TEX_FILTER_LINEAR
;
155 debug_printf("Unkown xrender filter");
156 *out_filter
= PIPE_TEX_FILTER_NEAREST
;
163 static boolean
is_filter_accelerated(PicturePtr pic
)
166 if (pic
&& !render_filter_to_gallium(pic
->filter
, &filter
))
171 boolean
xorg_composite_accelerated(int op
,
172 PicturePtr pSrcPicture
,
173 PicturePtr pMaskPicture
,
174 PicturePtr pDstPicture
)
176 ScreenPtr pScreen
= pDstPicture
->pDrawable
->pScreen
;
177 ScrnInfoPtr pScrn
= xf86Screens
[pScreen
->myNum
];
178 modesettingPtr ms
= modesettingPTR(pScrn
);
179 struct xorg_composite_blend blend
;
181 if (!is_filter_accelerated(pSrcPicture
) ||
182 !is_filter_accelerated(pMaskPicture
)) {
183 XORG_FALLBACK("Unsupported Xrender filter");
186 if (pSrcPicture
->pSourcePict
) {
187 if (pSrcPicture
->pSourcePict
->type
!= SourcePictTypeSolidFill
)
188 XORG_FALLBACK("Gradients not enabled (haven't been well tested)");
191 if (blend_for_op(&blend
, op
,
192 pSrcPicture
, pMaskPicture
, pDstPicture
)) {
193 /* Check for component alpha */
194 if (pMaskPicture
&& pMaskPicture
->componentAlpha
&&
195 PICT_FORMAT_RGB(pMaskPicture
->format
)) {
196 if (blend
.alpha_src
&& blend
.rgb_src
!= PIPE_BLENDFACTOR_ZERO
) {
197 XORG_FALLBACK("Component alpha not supported with source "
198 "alpha and source value blending. (op=%d)",
204 XORG_FALLBACK("Unsupported composition operation = %d", op
);
208 bind_blend_state(struct exa_context
*exa
, int op
,
209 PicturePtr pSrcPicture
,
210 PicturePtr pMaskPicture
,
211 PicturePtr pDstPicture
)
213 struct xorg_composite_blend blend_opt
;
214 struct pipe_blend_state blend
;
216 blend_for_op(&blend_opt
, op
, pSrcPicture
, pMaskPicture
, pDstPicture
);
218 memset(&blend
, 0, sizeof(struct pipe_blend_state
));
219 blend
.blend_enable
= 1;
220 blend
.colormask
|= PIPE_MASK_RGBA
;
222 blend
.rgb_src_factor
= blend_opt
.rgb_src
;
223 blend
.alpha_src_factor
= blend_opt
.rgb_src
;
224 blend
.rgb_dst_factor
= blend_opt
.rgb_dst
;
225 blend
.alpha_dst_factor
= blend_opt
.rgb_dst
;
227 cso_set_blend(exa
->renderer
->cso
, &blend
);
232 bind_shaders(struct exa_context
*exa
, int op
,
233 PicturePtr pSrcPicture
, PicturePtr pMaskPicture
)
235 unsigned vs_traits
= 0, fs_traits
= 0;
236 struct xorg_shader shader
;
238 exa
->has_solid_color
= FALSE
;
241 if (pSrcPicture
->pSourcePict
) {
242 if (pSrcPicture
->pSourcePict
->type
== SourcePictTypeSolidFill
) {
243 fs_traits
|= FS_SOLID_FILL
;
244 vs_traits
|= VS_SOLID_FILL
;
245 debug_assert(pSrcPicture
->format
== PICT_a8r8g8b8
);
246 pixel_to_float4(pSrcPicture
->pSourcePict
->solidFill
.color
,
248 exa
->has_solid_color
= TRUE
;
250 debug_assert("!gradients not supported");
253 fs_traits
|= FS_COMPOSITE
;
254 vs_traits
|= VS_COMPOSITE
;
259 vs_traits
|= VS_MASK
;
260 fs_traits
|= FS_MASK
;
261 if (pMaskPicture
->componentAlpha
) {
262 struct xorg_composite_blend blend
;
263 blend_for_op(&blend
, op
,
264 pSrcPicture
, pMaskPicture
, NULL
);
265 if (blend
.alpha_src
) {
266 fs_traits
|= FS_CA_SRCALPHA
;
268 fs_traits
|= FS_CA_FULL
;
272 shader
= xorg_shaders_get(exa
->renderer
->shaders
, vs_traits
, fs_traits
);
273 cso_set_vertex_shader_handle(exa
->renderer
->cso
, shader
.vs
);
274 cso_set_fragment_shader_handle(exa
->renderer
->cso
, shader
.fs
);
278 bind_samplers(struct exa_context
*exa
, int op
,
279 PicturePtr pSrcPicture
, PicturePtr pMaskPicture
,
280 PicturePtr pDstPicture
,
281 struct exa_pixmap_priv
*pSrc
,
282 struct exa_pixmap_priv
*pMask
,
283 struct exa_pixmap_priv
*pDst
)
285 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
286 struct pipe_sampler_state src_sampler
, mask_sampler
;
288 exa
->num_bound_samplers
= 0;
291 if ((pSrc
&& (exa
->pipe
->is_texture_referenced(exa
->pipe
, pSrc
->tex
, 0, 0) &
292 PIPE_REFERENCED_FOR_WRITE
)) ||
293 (pMask
&& (exa
->pipe
->is_texture_referenced(exa
->pipe
, pMask
->tex
, 0, 0) &
294 PIPE_REFERENCED_FOR_WRITE
)))
295 xorg_exa_flush(exa
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
298 memset(&src_sampler
, 0, sizeof(struct pipe_sampler_state
));
299 memset(&mask_sampler
, 0, sizeof(struct pipe_sampler_state
));
301 if (pSrcPicture
&& pSrc
) {
302 if (exa
->has_solid_color
) {
303 debug_assert(!"solid color with textures");
305 exa
->bound_textures
[0] = NULL
;
307 unsigned src_wrap
= render_repeat_to_gallium(
308 pSrcPicture
->repeatType
);
311 render_filter_to_gallium(pSrcPicture
->filter
, &filter
);
313 src_sampler
.wrap_s
= src_wrap
;
314 src_sampler
.wrap_t
= src_wrap
;
315 src_sampler
.min_img_filter
= filter
;
316 src_sampler
.mag_img_filter
= filter
;
317 src_sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NEAREST
;
318 src_sampler
.normalized_coords
= 1;
319 samplers
[0] = &src_sampler
;
320 exa
->bound_textures
[0] = pSrc
->tex
;
321 exa
->num_bound_samplers
= 1;
325 if (pMaskPicture
&& pMask
) {
326 unsigned mask_wrap
= render_repeat_to_gallium(
327 pMaskPicture
->repeatType
);
330 render_filter_to_gallium(pMaskPicture
->filter
, &filter
);
332 mask_sampler
.wrap_s
= mask_wrap
;
333 mask_sampler
.wrap_t
= mask_wrap
;
334 mask_sampler
.min_img_filter
= filter
;
335 mask_sampler
.mag_img_filter
= filter
;
336 src_sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NEAREST
;
337 mask_sampler
.normalized_coords
= 1;
338 samplers
[1] = &mask_sampler
;
339 exa
->bound_textures
[1] = pMask
->tex
;
340 exa
->num_bound_samplers
= 2;
343 cso_set_samplers(exa
->renderer
->cso
, exa
->num_bound_samplers
,
344 (const struct pipe_sampler_state
**)samplers
);
345 cso_set_sampler_textures(exa
->renderer
->cso
, exa
->num_bound_samplers
,
346 exa
->bound_textures
);
350 setup_vs_constant_buffer(struct exa_context
*exa
,
351 int width
, int height
)
353 const int param_bytes
= 8 * sizeof(float);
354 float vs_consts
[8] = {
355 2.f
/width
, 2.f
/height
, 1, 1,
358 renderer_set_constants(exa
->renderer
, PIPE_SHADER_VERTEX
,
359 vs_consts
, param_bytes
);
364 setup_fs_constant_buffer(struct exa_context
*exa
)
366 const int param_bytes
= 4 * sizeof(float);
367 const float fs_consts
[8] = {
370 renderer_set_constants(exa
->renderer
, PIPE_SHADER_FRAGMENT
,
371 fs_consts
, param_bytes
);
375 setup_constant_buffers(struct exa_context
*exa
, struct exa_pixmap_priv
*pDst
)
377 int width
= pDst
->tex
->width
[0];
378 int height
= pDst
->tex
->height
[0];
380 setup_vs_constant_buffer(exa
, width
, height
);
381 setup_fs_constant_buffer(exa
);
384 static INLINE boolean
matrix_from_pict_transform(PictTransform
*trans
, float *matrix
)
389 matrix
[0] = XFixedToDouble(trans
->matrix
[0][0]);
390 matrix
[3] = XFixedToDouble(trans
->matrix
[0][1]);
391 matrix
[6] = XFixedToDouble(trans
->matrix
[0][2]);
393 matrix
[1] = XFixedToDouble(trans
->matrix
[1][0]);
394 matrix
[4] = XFixedToDouble(trans
->matrix
[1][1]);
395 matrix
[7] = XFixedToDouble(trans
->matrix
[1][2]);
397 matrix
[2] = XFixedToDouble(trans
->matrix
[2][0]);
398 matrix
[5] = XFixedToDouble(trans
->matrix
[2][1]);
399 matrix
[8] = XFixedToDouble(trans
->matrix
[2][2]);
405 setup_transforms(struct exa_context
*exa
,
406 PicturePtr pSrcPicture
, PicturePtr pMaskPicture
)
408 PictTransform
*src_t
= NULL
;
409 PictTransform
*mask_t
= NULL
;
412 src_t
= pSrcPicture
->transform
;
414 mask_t
= pMaskPicture
->transform
;
416 exa
->transform
.has_src
=
417 matrix_from_pict_transform(src_t
, exa
->transform
.src
);
418 exa
->transform
.has_mask
=
419 matrix_from_pict_transform(mask_t
, exa
->transform
.mask
);
422 boolean
xorg_composite_bind_state(struct exa_context
*exa
,
424 PicturePtr pSrcPicture
,
425 PicturePtr pMaskPicture
,
426 PicturePtr pDstPicture
,
427 struct exa_pixmap_priv
*pSrc
,
428 struct exa_pixmap_priv
*pMask
,
429 struct exa_pixmap_priv
*pDst
)
431 renderer_bind_framebuffer(exa
->renderer
, pDst
);
432 renderer_bind_viewport(exa
->renderer
, pDst
);
433 bind_blend_state(exa
, op
, pSrcPicture
, pMaskPicture
, pDstPicture
);
434 renderer_bind_rasterizer(exa
->renderer
);
435 bind_shaders(exa
, op
, pSrcPicture
, pMaskPicture
);
436 bind_samplers(exa
, op
, pSrcPicture
, pMaskPicture
,
437 pDstPicture
, pSrc
, pMask
, pDst
);
438 setup_constant_buffers(exa
, pDst
);
440 setup_transforms(exa
, pSrcPicture
, pMaskPicture
);
442 if (exa
->num_bound_samplers
== 0 ) { /* solid fill */
443 renderer_begin_solid(exa
->renderer
);
445 renderer_begin_textures(exa
->renderer
,
447 exa
->num_bound_samplers
);
453 void xorg_composite(struct exa_context
*exa
,
454 struct exa_pixmap_priv
*dst
,
455 int srcX
, int srcY
, int maskX
, int maskY
,
456 int dstX
, int dstY
, int width
, int height
)
458 if (exa
->num_bound_samplers
== 0 ) { /* solid fill */
459 renderer_solid(exa
->renderer
,
460 dstX
, dstY
, dstX
+ width
, dstY
+ height
,
463 int pos
[6] = {srcX
, srcY
, maskX
, maskY
, dstX
, dstY
};
464 float *src_matrix
= NULL
;
465 float *mask_matrix
= NULL
;
467 if (exa
->transform
.has_src
)
468 src_matrix
= exa
->transform
.src
;
469 if (exa
->transform
.has_mask
)
470 mask_matrix
= exa
->transform
.mask
;
472 renderer_texture(exa
->renderer
,
475 exa
->num_bound_samplers
,
476 src_matrix
, mask_matrix
);
480 boolean
xorg_solid_bind_state(struct exa_context
*exa
,
481 struct exa_pixmap_priv
*pixmap
,
484 unsigned vs_traits
, fs_traits
;
485 struct xorg_shader shader
;
487 pixel_to_float4(fg
, exa
->solid_color
);
488 exa
->has_solid_color
= TRUE
;
491 debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n",
492 (fg
>> 24) & 0xff, (fg
>> 16) & 0xff,
493 (fg
>> 8) & 0xff, (fg
>> 0) & 0xff,
494 exa
->solid_color
[0], exa
->solid_color
[1],
495 exa
->solid_color
[2], exa
->solid_color
[3]);
498 vs_traits
= VS_SOLID_FILL
;
499 fs_traits
= FS_SOLID_FILL
;
501 renderer_bind_framebuffer(exa
->renderer
, pixmap
);
502 renderer_bind_viewport(exa
->renderer
, pixmap
);
503 renderer_bind_rasterizer(exa
->renderer
);
504 bind_blend_state(exa
, PictOpSrc
, NULL
, NULL
, NULL
);
505 setup_constant_buffers(exa
, pixmap
);
507 shader
= xorg_shaders_get(exa
->renderer
->shaders
, vs_traits
, fs_traits
);
508 cso_set_vertex_shader_handle(exa
->renderer
->cso
, shader
.vs
);
509 cso_set_fragment_shader_handle(exa
->renderer
->cso
, shader
.fs
);
511 renderer_begin_solid(exa
->renderer
);
516 void xorg_solid(struct exa_context
*exa
,
517 struct exa_pixmap_priv
*pixmap
,
518 int x0
, int y0
, int x1
, int y1
)
520 renderer_solid(exa
->renderer
,
521 x0
, y0
, x1
, y1
, exa
->solid_color
);