1 /**************************************************************************
3 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
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 TUNGSTEN GRAPHICS 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 * Blitter utility to facilitate acceleration of the clear, clear_render_target, clear_depth_stencil
30 * resource_copy_region functions.
35 #include "pipe/p_context.h"
36 #include "pipe/p_defines.h"
37 #include "util/u_inlines.h"
38 #include "pipe/p_shader_tokens.h"
39 #include "pipe/p_state.h"
41 #include "util/u_format.h"
42 #include "util/u_memory.h"
43 #include "util/u_math.h"
44 #include "util/u_blitter.h"
45 #include "util/u_draw_quad.h"
46 #include "util/u_sampler.h"
47 #include "util/u_simple_shaders.h"
48 #include "util/u_surface.h"
49 #include "util/u_texture.h"
51 #define INVALID_PTR ((void*)~0)
53 struct blitter_context_priv
55 struct blitter_context base
;
57 struct pipe_resource
*vbuf
; /**< quad */
59 float vertices
[4][2][4]; /**< {pos, color} or {pos, texcoord} */
61 /* Templates for various state objects. */
62 struct pipe_sampler_state template_sampler_state
;
64 /* Constant state objects. */
66 void *vs
; /**< Vertex shader which passes {pos, generic} to the output.*/
68 /* Fragment shaders. */
69 /* The shader at index i outputs color to color buffers 0,1,...,i-1. */
70 void *fs_col
[PIPE_MAX_COLOR_BUFS
+1];
72 /* FS which outputs a color from a texture,
73 where the index is PIPE_TEXTURE_* to be sampled. */
74 void *fs_texfetch_col
[PIPE_MAX_TEXTURE_TYPES
];
76 /* FS which outputs a depth from a texture,
77 where the index is PIPE_TEXTURE_* to be sampled. */
78 void *fs_texfetch_depth
[PIPE_MAX_TEXTURE_TYPES
];
81 void *blend_write_color
; /**< blend state with writemask of RGBA */
82 void *blend_keep_color
; /**< blend state with writemask of 0 */
84 /* Depth stencil alpha state. */
85 void *dsa_write_depth_stencil
;
86 void *dsa_write_depth_keep_stencil
;
87 void *dsa_keep_depth_stencil
;
88 void *dsa_keep_depth_write_stencil
;
92 /* Sampler state for clamping to a miplevel. */
93 void *sampler_state
[PIPE_MAX_TEXTURE_LEVELS
* 2];
95 /* Rasterizer state. */
99 struct pipe_viewport_state viewport
;
102 struct pipe_clip_state clip
;
104 /* Destination surface dimensions. */
109 static void blitter_draw_rectangle(struct blitter_context
*blitter
,
110 unsigned x
, unsigned y
,
111 unsigned width
, unsigned height
,
113 enum blitter_attrib_type type
,
114 const float attrib
[4]);
117 struct blitter_context
*util_blitter_create(struct pipe_context
*pipe
)
119 struct blitter_context_priv
*ctx
;
120 struct pipe_blend_state blend
;
121 struct pipe_depth_stencil_alpha_state dsa
;
122 struct pipe_rasterizer_state rs_state
;
123 struct pipe_sampler_state
*sampler_state
;
124 struct pipe_vertex_element velem
[2];
127 ctx
= CALLOC_STRUCT(blitter_context_priv
);
131 ctx
->base
.pipe
= pipe
;
132 ctx
->base
.draw_rectangle
= blitter_draw_rectangle
;
134 /* init state objects for them to be considered invalid */
135 ctx
->base
.saved_blend_state
= INVALID_PTR
;
136 ctx
->base
.saved_dsa_state
= INVALID_PTR
;
137 ctx
->base
.saved_rs_state
= INVALID_PTR
;
138 ctx
->base
.saved_fs
= INVALID_PTR
;
139 ctx
->base
.saved_vs
= INVALID_PTR
;
140 ctx
->base
.saved_velem_state
= INVALID_PTR
;
141 ctx
->base
.saved_fb_state
.nr_cbufs
= ~0;
142 ctx
->base
.saved_num_sampler_views
= ~0;
143 ctx
->base
.saved_num_sampler_states
= ~0;
144 ctx
->base
.saved_num_vertex_buffers
= ~0;
146 /* blend state objects */
147 memset(&blend
, 0, sizeof(blend
));
148 ctx
->blend_keep_color
= pipe
->create_blend_state(pipe
, &blend
);
150 blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
151 ctx
->blend_write_color
= pipe
->create_blend_state(pipe
, &blend
);
153 /* depth stencil alpha state objects */
154 memset(&dsa
, 0, sizeof(dsa
));
155 ctx
->dsa_keep_depth_stencil
=
156 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
158 dsa
.depth
.enabled
= 1;
159 dsa
.depth
.writemask
= 1;
160 dsa
.depth
.func
= PIPE_FUNC_ALWAYS
;
161 ctx
->dsa_write_depth_keep_stencil
=
162 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
164 dsa
.stencil
[0].enabled
= 1;
165 dsa
.stencil
[0].func
= PIPE_FUNC_ALWAYS
;
166 dsa
.stencil
[0].fail_op
= PIPE_STENCIL_OP_REPLACE
;
167 dsa
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_REPLACE
;
168 dsa
.stencil
[0].zfail_op
= PIPE_STENCIL_OP_REPLACE
;
169 dsa
.stencil
[0].valuemask
= 0xff;
170 dsa
.stencil
[0].writemask
= 0xff;
171 ctx
->dsa_write_depth_stencil
=
172 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
175 dsa
.depth
.enabled
= 0;
176 dsa
.depth
.writemask
= 0;
177 ctx
->dsa_keep_depth_write_stencil
=
178 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
181 sampler_state
= &ctx
->template_sampler_state
;
182 sampler_state
->wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
183 sampler_state
->wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
184 sampler_state
->wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
185 sampler_state
->normalized_coords
= TRUE
;
186 /* The sampler state objects which sample from a specified mipmap level
187 * are created on-demand. */
189 /* rasterizer state */
190 memset(&rs_state
, 0, sizeof(rs_state
));
191 rs_state
.cull_face
= PIPE_FACE_NONE
;
192 rs_state
.gl_rasterization_rules
= 1;
193 rs_state
.flatshade
= 1;
194 ctx
->rs_state
= pipe
->create_rasterizer_state(pipe
, &rs_state
);
196 /* vertex elements state */
197 memset(&velem
[0], 0, sizeof(velem
[0]) * 2);
198 for (i
= 0; i
< 2; i
++) {
199 velem
[i
].src_offset
= i
* 4 * sizeof(float);
200 velem
[i
].instance_divisor
= 0;
201 velem
[i
].vertex_buffer_index
= 0;
202 velem
[i
].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
204 ctx
->velem_state
= pipe
->create_vertex_elements_state(pipe
, 2, &velem
[0]);
206 /* fragment shaders are created on-demand */
210 const uint semantic_names
[] = { TGSI_SEMANTIC_POSITION
,
211 TGSI_SEMANTIC_GENERIC
};
212 const uint semantic_indices
[] = { 0, 0 };
214 util_make_vertex_passthrough_shader(pipe
, 2, semantic_names
,
218 /* set invariant vertex coordinates */
219 for (i
= 0; i
< 4; i
++)
220 ctx
->vertices
[i
][0][3] = 1; /*v.w*/
222 /* create the vertex buffer */
223 ctx
->vbuf
= pipe_user_buffer_create(ctx
->base
.pipe
->screen
,
225 sizeof(ctx
->vertices
),
226 PIPE_BIND_VERTEX_BUFFER
);
231 void util_blitter_destroy(struct blitter_context
*blitter
)
233 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
234 struct pipe_context
*pipe
= blitter
->pipe
;
237 pipe
->delete_blend_state(pipe
, ctx
->blend_write_color
);
238 pipe
->delete_blend_state(pipe
, ctx
->blend_keep_color
);
239 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
240 pipe
->delete_depth_stencil_alpha_state(pipe
,
241 ctx
->dsa_write_depth_keep_stencil
);
242 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
243 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
245 pipe
->delete_rasterizer_state(pipe
, ctx
->rs_state
);
246 pipe
->delete_vs_state(pipe
, ctx
->vs
);
247 pipe
->delete_vertex_elements_state(pipe
, ctx
->velem_state
);
249 for (i
= 0; i
< PIPE_MAX_TEXTURE_TYPES
; i
++) {
250 if (ctx
->fs_texfetch_col
[i
])
251 pipe
->delete_fs_state(pipe
, ctx
->fs_texfetch_col
[i
]);
252 if (ctx
->fs_texfetch_depth
[i
])
253 pipe
->delete_fs_state(pipe
, ctx
->fs_texfetch_depth
[i
]);
256 for (i
= 0; i
<= PIPE_MAX_COLOR_BUFS
; i
++)
258 pipe
->delete_fs_state(pipe
, ctx
->fs_col
[i
]);
260 for (i
= 0; i
< PIPE_MAX_TEXTURE_LEVELS
* 2; i
++)
261 if (ctx
->sampler_state
[i
])
262 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state
[i
]);
264 pipe_resource_reference(&ctx
->vbuf
, NULL
);
268 static void blitter_check_saved_CSOs(struct blitter_context_priv
*ctx
)
270 if (ctx
->base
.running
) {
271 _debug_printf("u_blitter: Caught recursion on save. "
272 "This is a driver bug.\n");
274 ctx
->base
.running
= TRUE
;
276 /* make sure these CSOs have been saved */
277 assert(ctx
->base
.saved_blend_state
!= INVALID_PTR
&&
278 ctx
->base
.saved_dsa_state
!= INVALID_PTR
&&
279 ctx
->base
.saved_rs_state
!= INVALID_PTR
&&
280 ctx
->base
.saved_fs
!= INVALID_PTR
&&
281 ctx
->base
.saved_vs
!= INVALID_PTR
&&
282 ctx
->base
.saved_velem_state
!= INVALID_PTR
);
285 static void blitter_restore_CSOs(struct blitter_context_priv
*ctx
)
287 struct pipe_context
*pipe
= ctx
->base
.pipe
;
290 /* restore the state objects which are always required to be saved */
291 pipe
->bind_blend_state(pipe
, ctx
->base
.saved_blend_state
);
292 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->base
.saved_dsa_state
);
293 pipe
->bind_rasterizer_state(pipe
, ctx
->base
.saved_rs_state
);
294 pipe
->bind_fs_state(pipe
, ctx
->base
.saved_fs
);
295 pipe
->bind_vs_state(pipe
, ctx
->base
.saved_vs
);
296 pipe
->bind_vertex_elements_state(pipe
, ctx
->base
.saved_velem_state
);
298 ctx
->base
.saved_blend_state
= INVALID_PTR
;
299 ctx
->base
.saved_dsa_state
= INVALID_PTR
;
300 ctx
->base
.saved_rs_state
= INVALID_PTR
;
301 ctx
->base
.saved_fs
= INVALID_PTR
;
302 ctx
->base
.saved_vs
= INVALID_PTR
;
303 ctx
->base
.saved_velem_state
= INVALID_PTR
;
305 pipe
->set_stencil_ref(pipe
, &ctx
->base
.saved_stencil_ref
);
306 pipe
->set_viewport_state(pipe
, &ctx
->base
.saved_viewport
);
307 pipe
->set_clip_state(pipe
, &ctx
->base
.saved_clip
);
309 /* restore the state objects which are required to be saved before copy/fill
311 if (ctx
->base
.saved_fb_state
.nr_cbufs
!= ~0) {
312 pipe
->set_framebuffer_state(pipe
, &ctx
->base
.saved_fb_state
);
313 util_unreference_framebuffer_state(&ctx
->base
.saved_fb_state
);
314 ctx
->base
.saved_fb_state
.nr_cbufs
= ~0;
317 if (ctx
->base
.saved_num_sampler_states
!= ~0) {
318 pipe
->bind_fragment_sampler_states(pipe
,
319 ctx
->base
.saved_num_sampler_states
,
320 ctx
->base
.saved_sampler_states
);
321 ctx
->base
.saved_num_sampler_states
= ~0;
324 if (ctx
->base
.saved_num_sampler_views
!= ~0) {
325 pipe
->set_fragment_sampler_views(pipe
,
326 ctx
->base
.saved_num_sampler_views
,
327 ctx
->base
.saved_sampler_views
);
329 for (i
= 0; i
< ctx
->base
.saved_num_sampler_views
; i
++)
330 pipe_sampler_view_reference(&ctx
->base
.saved_sampler_views
[i
],
333 ctx
->base
.saved_num_sampler_views
= ~0;
336 if (ctx
->base
.saved_num_vertex_buffers
!= ~0) {
337 pipe
->set_vertex_buffers(pipe
,
338 ctx
->base
.saved_num_vertex_buffers
,
339 ctx
->base
.saved_vertex_buffers
);
341 for (i
= 0; i
< ctx
->base
.saved_num_vertex_buffers
; i
++) {
342 if (ctx
->base
.saved_vertex_buffers
[i
].buffer
) {
343 pipe_resource_reference(&ctx
->base
.saved_vertex_buffers
[i
].buffer
,
347 ctx
->base
.saved_num_vertex_buffers
= ~0;
350 if (!ctx
->base
.running
) {
351 _debug_printf("u_blitter: Caught recursion on restore. "
352 "This is a driver bug.\n");
354 ctx
->base
.running
= FALSE
;
357 static void blitter_set_rectangle(struct blitter_context_priv
*ctx
,
358 unsigned x1
, unsigned y1
,
359 unsigned x2
, unsigned y2
,
364 /* set vertex positions */
365 ctx
->vertices
[0][0][0] = (float)x1
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v0.x*/
366 ctx
->vertices
[0][0][1] = (float)y1
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v0.y*/
368 ctx
->vertices
[1][0][0] = (float)x2
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v1.x*/
369 ctx
->vertices
[1][0][1] = (float)y1
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v1.y*/
371 ctx
->vertices
[2][0][0] = (float)x2
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v2.x*/
372 ctx
->vertices
[2][0][1] = (float)y2
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v2.y*/
374 ctx
->vertices
[3][0][0] = (float)x1
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v3.x*/
375 ctx
->vertices
[3][0][1] = (float)y2
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v3.y*/
377 for (i
= 0; i
< 4; i
++)
378 ctx
->vertices
[i
][0][2] = depth
; /*z*/
381 ctx
->viewport
.scale
[0] = 0.5f
* ctx
->dst_width
;
382 ctx
->viewport
.scale
[1] = 0.5f
* ctx
->dst_height
;
383 ctx
->viewport
.scale
[2] = 1.0f
;
384 ctx
->viewport
.scale
[3] = 1.0f
;
385 ctx
->viewport
.translate
[0] = 0.5f
* ctx
->dst_width
;
386 ctx
->viewport
.translate
[1] = 0.5f
* ctx
->dst_height
;
387 ctx
->viewport
.translate
[2] = 0.0f
;
388 ctx
->viewport
.translate
[3] = 0.0f
;
389 ctx
->base
.pipe
->set_viewport_state(ctx
->base
.pipe
, &ctx
->viewport
);
392 ctx
->base
.pipe
->set_clip_state(ctx
->base
.pipe
, &ctx
->clip
);
395 static void blitter_set_clear_color(struct blitter_context_priv
*ctx
,
401 for (i
= 0; i
< 4; i
++) {
402 ctx
->vertices
[i
][1][0] = rgba
[0];
403 ctx
->vertices
[i
][1][1] = rgba
[1];
404 ctx
->vertices
[i
][1][2] = rgba
[2];
405 ctx
->vertices
[i
][1][3] = rgba
[3];
408 for (i
= 0; i
< 4; i
++) {
409 ctx
->vertices
[i
][1][0] = 0;
410 ctx
->vertices
[i
][1][1] = 0;
411 ctx
->vertices
[i
][1][2] = 0;
412 ctx
->vertices
[i
][1][3] = 0;
417 static void get_texcoords(struct pipe_resource
*src
,
419 unsigned x1
, unsigned y1
,
420 unsigned x2
, unsigned y2
,
421 boolean normalized
, float out
[4])
425 out
[0] = x1
/ (float)u_minify(src
->width0
, level
);
426 out
[1] = y1
/ (float)u_minify(src
->height0
, level
);
427 out
[2] = x2
/ (float)u_minify(src
->width0
, level
);
428 out
[3] = y2
/ (float)u_minify(src
->height0
, level
);
439 static void set_texcoords_in_vertices(const float coord
[4],
440 float *out
, unsigned stride
)
442 out
[0] = coord
[0]; /*t0.s*/
443 out
[1] = coord
[1]; /*t0.t*/
445 out
[0] = coord
[2]; /*t1.s*/
446 out
[1] = coord
[1]; /*t1.t*/
448 out
[0] = coord
[2]; /*t2.s*/
449 out
[1] = coord
[3]; /*t2.t*/
451 out
[0] = coord
[0]; /*t3.s*/
452 out
[1] = coord
[3]; /*t3.t*/
455 static void blitter_set_texcoords_2d(struct blitter_context_priv
*ctx
,
456 struct pipe_resource
*src
,
458 unsigned x1
, unsigned y1
,
459 unsigned x2
, unsigned y2
)
464 get_texcoords(src
, level
, x1
, y1
, x2
, y2
, TRUE
, coord
);
465 set_texcoords_in_vertices(coord
, &ctx
->vertices
[0][1][0], 8);
467 for (i
= 0; i
< 4; i
++) {
468 ctx
->vertices
[i
][1][2] = 0; /*r*/
469 ctx
->vertices
[i
][1][3] = 1; /*q*/
473 static void blitter_set_texcoords_3d(struct blitter_context_priv
*ctx
,
474 struct pipe_resource
*src
,
477 unsigned x1
, unsigned y1
,
478 unsigned x2
, unsigned y2
)
481 float r
= zslice
/ (float)u_minify(src
->depth0
, level
);
483 blitter_set_texcoords_2d(ctx
, src
, level
, x1
, y1
, x2
, y2
);
485 for (i
= 0; i
< 4; i
++)
486 ctx
->vertices
[i
][1][2] = r
; /*r*/
489 static void blitter_set_texcoords_cube(struct blitter_context_priv
*ctx
,
490 struct pipe_resource
*src
,
491 unsigned level
, unsigned face
,
492 unsigned x1
, unsigned y1
,
493 unsigned x2
, unsigned y2
)
499 get_texcoords(src
, level
, x1
, y1
, x2
, y2
, TRUE
, coord
);
500 set_texcoords_in_vertices(coord
, &st
[0][0], 2);
502 util_map_texcoords2d_onto_cubemap(face
,
503 /* pointer, stride in floats */
505 &ctx
->vertices
[0][1][0], 8);
507 for (i
= 0; i
< 4; i
++)
508 ctx
->vertices
[i
][1][3] = 1; /*q*/
511 static void blitter_set_dst_dimensions(struct blitter_context_priv
*ctx
,
512 unsigned width
, unsigned height
)
514 ctx
->dst_width
= width
;
515 ctx
->dst_height
= height
;
519 void **blitter_get_sampler_state(struct blitter_context_priv
*ctx
,
520 int miplevel
, boolean normalized
)
522 struct pipe_context
*pipe
= ctx
->base
.pipe
;
523 struct pipe_sampler_state
*sampler_state
= &ctx
->template_sampler_state
;
525 assert(miplevel
< PIPE_MAX_TEXTURE_LEVELS
);
527 /* Create the sampler state on-demand. */
528 if (!ctx
->sampler_state
[miplevel
* 2 + normalized
]) {
529 sampler_state
->lod_bias
= miplevel
;
530 sampler_state
->min_lod
= miplevel
;
531 sampler_state
->max_lod
= miplevel
;
532 sampler_state
->normalized_coords
= normalized
;
534 ctx
->sampler_state
[miplevel
* 2 + normalized
] = pipe
->create_sampler_state(pipe
,
538 /* Return void** so that it can be passed to bind_fragment_sampler_states
540 return &ctx
->sampler_state
[miplevel
* 2 + normalized
];
544 void *blitter_get_fs_col(struct blitter_context_priv
*ctx
, unsigned num_cbufs
)
546 struct pipe_context
*pipe
= ctx
->base
.pipe
;
548 assert(num_cbufs
<= PIPE_MAX_COLOR_BUFS
);
550 if (!ctx
->fs_col
[num_cbufs
])
551 ctx
->fs_col
[num_cbufs
] =
552 util_make_fragment_cloneinput_shader(pipe
, num_cbufs
,
553 TGSI_SEMANTIC_GENERIC
,
554 TGSI_INTERPOLATE_LINEAR
);
556 return ctx
->fs_col
[num_cbufs
];
559 /** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */
561 pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target
)
563 switch (pipe_tex_target
) {
564 case PIPE_TEXTURE_1D
:
565 return TGSI_TEXTURE_1D
;
566 case PIPE_TEXTURE_2D
:
567 return TGSI_TEXTURE_2D
;
568 case PIPE_TEXTURE_RECT
:
569 return TGSI_TEXTURE_RECT
;
570 case PIPE_TEXTURE_3D
:
571 return TGSI_TEXTURE_3D
;
572 case PIPE_TEXTURE_CUBE
:
573 return TGSI_TEXTURE_CUBE
;
575 assert(0 && "unexpected texture target");
576 return TGSI_TEXTURE_UNKNOWN
;
582 void *blitter_get_fs_texfetch_col(struct blitter_context_priv
*ctx
,
585 struct pipe_context
*pipe
= ctx
->base
.pipe
;
587 assert(tex_target
< PIPE_MAX_TEXTURE_TYPES
);
589 /* Create the fragment shader on-demand. */
590 if (!ctx
->fs_texfetch_col
[tex_target
]) {
591 unsigned tgsi_tex
= pipe_tex_to_tgsi_tex(tex_target
);
593 ctx
->fs_texfetch_col
[tex_target
] =
594 util_make_fragment_tex_shader(pipe
, tgsi_tex
, TGSI_INTERPOLATE_LINEAR
);
597 return ctx
->fs_texfetch_col
[tex_target
];
601 void *blitter_get_fs_texfetch_depth(struct blitter_context_priv
*ctx
,
604 struct pipe_context
*pipe
= ctx
->base
.pipe
;
606 assert(tex_target
< PIPE_MAX_TEXTURE_TYPES
);
608 /* Create the fragment shader on-demand. */
609 if (!ctx
->fs_texfetch_depth
[tex_target
]) {
610 unsigned tgsi_tex
= pipe_tex_to_tgsi_tex(tex_target
);
612 ctx
->fs_texfetch_depth
[tex_target
] =
613 util_make_fragment_tex_shader_writedepth(pipe
, tgsi_tex
,
614 TGSI_INTERPOLATE_LINEAR
);
617 return ctx
->fs_texfetch_depth
[tex_target
];
620 static void blitter_draw_rectangle(struct blitter_context
*blitter
,
621 unsigned x1
, unsigned y1
,
622 unsigned x2
, unsigned y2
,
624 enum blitter_attrib_type type
,
625 const float attrib
[4])
627 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
630 case UTIL_BLITTER_ATTRIB_COLOR
:
631 blitter_set_clear_color(ctx
, attrib
);
634 case UTIL_BLITTER_ATTRIB_TEXCOORD
:
635 set_texcoords_in_vertices(attrib
, &ctx
->vertices
[0][1][0], 8);
641 blitter_set_rectangle(ctx
, x1
, y1
, x2
, y2
, depth
);
642 util_draw_vertex_buffer(ctx
->base
.pipe
, ctx
->vbuf
, 0,
643 PIPE_PRIM_TRIANGLE_FAN
, 4, 2);
646 static void util_blitter_clear_custom(struct blitter_context
*blitter
,
647 unsigned width
, unsigned height
,
649 unsigned clear_buffers
,
651 double depth
, unsigned stencil
,
652 void *custom_blend
, void *custom_dsa
)
654 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
655 struct pipe_context
*pipe
= ctx
->base
.pipe
;
656 struct pipe_stencil_ref sr
= { { 0 } };
658 assert(num_cbufs
<= PIPE_MAX_COLOR_BUFS
);
660 blitter_check_saved_CSOs(ctx
);
664 pipe
->bind_blend_state(pipe
, custom_blend
);
665 } else if (clear_buffers
& PIPE_CLEAR_COLOR
) {
666 pipe
->bind_blend_state(pipe
, ctx
->blend_write_color
);
668 pipe
->bind_blend_state(pipe
, ctx
->blend_keep_color
);
672 pipe
->bind_depth_stencil_alpha_state(pipe
, custom_dsa
);
673 } else if ((clear_buffers
& PIPE_CLEAR_DEPTHSTENCIL
) == PIPE_CLEAR_DEPTHSTENCIL
) {
674 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
675 } else if (clear_buffers
& PIPE_CLEAR_DEPTH
) {
676 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_keep_stencil
);
677 } else if (clear_buffers
& PIPE_CLEAR_STENCIL
) {
678 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
680 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
683 sr
.ref_value
[0] = stencil
& 0xff;
684 pipe
->set_stencil_ref(pipe
, &sr
);
686 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
);
687 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state
);
688 pipe
->bind_fs_state(pipe
, blitter_get_fs_col(ctx
, num_cbufs
));
689 pipe
->bind_vs_state(pipe
, ctx
->vs
);
691 blitter_set_dst_dimensions(ctx
, width
, height
);
692 blitter
->draw_rectangle(blitter
, 0, 0, width
, height
, depth
,
693 UTIL_BLITTER_ATTRIB_COLOR
, rgba
);
694 blitter_restore_CSOs(ctx
);
697 void util_blitter_clear(struct blitter_context
*blitter
,
698 unsigned width
, unsigned height
,
700 unsigned clear_buffers
,
702 double depth
, unsigned stencil
)
704 util_blitter_clear_custom(blitter
, width
, height
, num_cbufs
,
705 clear_buffers
, rgba
, depth
, stencil
,
709 void util_blitter_clear_depth_custom(struct blitter_context
*blitter
,
710 unsigned width
, unsigned height
,
711 double depth
, void *custom_dsa
)
713 const float rgba
[4] = {0, 0, 0, 0};
714 util_blitter_clear_custom(blitter
, width
, height
, 0,
715 0, rgba
, depth
, 0, NULL
, custom_dsa
);
719 boolean
is_overlap(unsigned sx1
, unsigned sx2
, unsigned sy1
, unsigned sy2
,
720 unsigned dx1
, unsigned dx2
, unsigned dy1
, unsigned dy2
)
722 return sx1
< dx2
&& sx2
> dx1
&& sy1
< dy2
&& sy2
> dy1
;
725 void util_blitter_copy_region(struct blitter_context
*blitter
,
726 struct pipe_resource
*dst
,
728 unsigned dstx
, unsigned dsty
, unsigned dstz
,
729 struct pipe_resource
*src
,
731 const struct pipe_box
*srcbox
,
732 boolean ignore_stencil
)
734 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
735 struct pipe_context
*pipe
= ctx
->base
.pipe
;
736 struct pipe_screen
*screen
= pipe
->screen
;
737 struct pipe_surface
*dstsurf
, surf_templ
;
738 struct pipe_framebuffer_state fb_state
;
739 struct pipe_sampler_view viewTempl
, *view
;
741 unsigned width
= srcbox
->width
;
742 unsigned height
= srcbox
->height
;
743 boolean is_stencil
, is_depth
;
746 /* Give up if textures are not set. */
753 assert(!is_overlap(srcbox
->x
, srcbox
->x
+ width
, srcbox
->y
, srcbox
->y
+ height
,
754 dstx
, dstx
+ width
, dsty
, dsty
+ height
));
756 assert(src
->target
< PIPE_MAX_TEXTURE_TYPES
);
757 /* XXX should handle 3d regions */
758 assert(srcbox
->depth
== 1);
760 /* Is this a ZS format? */
761 is_depth
= util_format_get_component_bits(src
->format
, UTIL_FORMAT_COLORSPACE_ZS
, 0) != 0;
762 is_stencil
= util_format_get_component_bits(src
->format
, UTIL_FORMAT_COLORSPACE_ZS
, 1) != 0;
764 if (is_depth
|| is_stencil
)
765 bind
= PIPE_BIND_DEPTH_STENCIL
;
767 bind
= PIPE_BIND_RENDER_TARGET
;
769 /* Check if we can sample from and render to the surfaces. */
770 /* (assuming copying a stencil buffer is not possible) */
771 if ((!ignore_stencil
&& is_stencil
) ||
772 !screen
->is_format_supported(screen
, dst
->format
, dst
->target
,
773 dst
->nr_samples
, bind
, 0) ||
774 !screen
->is_format_supported(screen
, src
->format
, src
->target
,
775 src
->nr_samples
, PIPE_BIND_SAMPLER_VIEW
, 0)) {
776 ctx
->base
.running
= TRUE
;
777 util_resource_copy_region(pipe
, dst
, dstlevel
, dstx
, dsty
, dstz
,
778 src
, srclevel
, srcbox
);
779 ctx
->base
.running
= FALSE
;
784 memset(&surf_templ
, 0, sizeof(surf_templ
));
785 u_surface_default_template(&surf_templ
, dst
, bind
);
786 surf_templ
.u
.tex
.level
= dstlevel
;
787 surf_templ
.u
.tex
.first_layer
= dstz
;
788 surf_templ
.u
.tex
.last_layer
= dstz
;
789 dstsurf
= pipe
->create_surface(pipe
, dst
, &surf_templ
);
791 /* Check whether the states are properly saved. */
792 blitter_check_saved_CSOs(ctx
);
793 assert(blitter
->saved_fb_state
.nr_cbufs
!= ~0);
794 assert(blitter
->saved_num_sampler_views
!= ~0);
795 assert(blitter
->saved_num_sampler_states
!= ~0);
797 /* Initialize framebuffer state. */
798 fb_state
.width
= dstsurf
->width
;
799 fb_state
.height
= dstsurf
->height
;
802 pipe
->bind_blend_state(pipe
, ctx
->blend_keep_color
);
803 pipe
->bind_depth_stencil_alpha_state(pipe
,
804 ctx
->dsa_write_depth_keep_stencil
);
805 pipe
->bind_fs_state(pipe
,
806 blitter_get_fs_texfetch_depth(ctx
, src
->target
));
808 fb_state
.nr_cbufs
= 0;
809 fb_state
.zsbuf
= dstsurf
;
811 pipe
->bind_blend_state(pipe
, ctx
->blend_write_color
);
812 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
813 pipe
->bind_fs_state(pipe
,
814 blitter_get_fs_texfetch_col(ctx
, src
->target
));
816 fb_state
.nr_cbufs
= 1;
817 fb_state
.cbufs
[0] = dstsurf
;
821 normalized
= src
->target
!= PIPE_TEXTURE_RECT
;
823 /* Initialize sampler view. */
824 u_sampler_view_default_template(&viewTempl
, src
, src
->format
);
825 view
= pipe
->create_sampler_view(pipe
, src
, &viewTempl
);
827 /* Set rasterizer state, shaders, and textures. */
828 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
);
829 pipe
->bind_vs_state(pipe
, ctx
->vs
);
830 pipe
->bind_fragment_sampler_states(pipe
, 1,
831 blitter_get_sampler_state(ctx
, srclevel
, normalized
));
832 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state
);
833 pipe
->set_fragment_sampler_views(pipe
, 1, &view
);
834 pipe
->set_framebuffer_state(pipe
, &fb_state
);
836 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
838 switch (src
->target
) {
839 /* Draw the quad with the draw_rectangle callback. */
840 case PIPE_TEXTURE_1D
:
841 case PIPE_TEXTURE_2D
:
842 case PIPE_TEXTURE_RECT
:
844 /* Set texture coordinates. */
846 get_texcoords(src
, srclevel
, srcbox
->x
, srcbox
->y
,
847 srcbox
->x
+width
, srcbox
->y
+height
, normalized
, coord
);
850 blitter
->draw_rectangle(blitter
, dstx
, dsty
, dstx
+width
, dsty
+height
, 0,
851 UTIL_BLITTER_ATTRIB_TEXCOORD
, coord
);
855 /* Draw the quad with the generic codepath. */
856 case PIPE_TEXTURE_3D
:
857 case PIPE_TEXTURE_CUBE
:
858 /* Set texture coordinates. */
859 if (src
->target
== PIPE_TEXTURE_3D
)
860 blitter_set_texcoords_3d(ctx
, src
, srclevel
, srcbox
->z
,
861 srcbox
->x
, srcbox
->y
,
862 srcbox
->x
+ width
, srcbox
->y
+ height
);
864 blitter_set_texcoords_cube(ctx
, src
, srclevel
, srcbox
->z
,
865 srcbox
->x
, srcbox
->y
,
866 srcbox
->x
+ width
, srcbox
->y
+ height
);
869 blitter_set_rectangle(ctx
, dstx
, dsty
, dstx
+width
, dsty
+height
, 0);
870 util_draw_vertex_buffer(ctx
->base
.pipe
, ctx
->vbuf
, 0,
871 PIPE_PRIM_TRIANGLE_FAN
, 4, 2);
879 blitter_restore_CSOs(ctx
);
881 pipe_surface_reference(&dstsurf
, NULL
);
882 pipe_sampler_view_reference(&view
, NULL
);
885 /* Clear a region of a color surface to a constant value. */
886 void util_blitter_clear_render_target(struct blitter_context
*blitter
,
887 struct pipe_surface
*dstsurf
,
889 unsigned dstx
, unsigned dsty
,
890 unsigned width
, unsigned height
)
892 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
893 struct pipe_context
*pipe
= ctx
->base
.pipe
;
894 struct pipe_framebuffer_state fb_state
;
896 assert(dstsurf
->texture
);
897 if (!dstsurf
->texture
)
900 /* check the saved state */
901 blitter_check_saved_CSOs(ctx
);
902 assert(blitter
->saved_fb_state
.nr_cbufs
!= ~0);
905 pipe
->bind_blend_state(pipe
, ctx
->blend_write_color
);
906 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
907 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
);
908 pipe
->bind_fs_state(pipe
, blitter_get_fs_col(ctx
, 1));
909 pipe
->bind_vs_state(pipe
, ctx
->vs
);
910 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state
);
912 /* set a framebuffer state */
913 fb_state
.width
= dstsurf
->width
;
914 fb_state
.height
= dstsurf
->height
;
915 fb_state
.nr_cbufs
= 1;
916 fb_state
.cbufs
[0] = dstsurf
;
918 pipe
->set_framebuffer_state(pipe
, &fb_state
);
920 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
921 blitter
->draw_rectangle(blitter
, dstx
, dsty
, dstx
+width
, dsty
+height
, 0,
922 UTIL_BLITTER_ATTRIB_COLOR
, rgba
);
923 blitter_restore_CSOs(ctx
);
926 /* Clear a region of a depth stencil surface. */
927 void util_blitter_clear_depth_stencil(struct blitter_context
*blitter
,
928 struct pipe_surface
*dstsurf
,
929 unsigned clear_flags
,
932 unsigned dstx
, unsigned dsty
,
933 unsigned width
, unsigned height
)
935 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
936 struct pipe_context
*pipe
= ctx
->base
.pipe
;
937 struct pipe_framebuffer_state fb_state
;
938 struct pipe_stencil_ref sr
= { { 0 } };
940 assert(dstsurf
->texture
);
941 if (!dstsurf
->texture
)
944 /* check the saved state */
945 blitter_check_saved_CSOs(ctx
);
946 assert(blitter
->saved_fb_state
.nr_cbufs
!= ~0);
949 pipe
->bind_blend_state(pipe
, ctx
->blend_keep_color
);
950 if ((clear_flags
& PIPE_CLEAR_DEPTHSTENCIL
) == PIPE_CLEAR_DEPTHSTENCIL
) {
951 sr
.ref_value
[0] = stencil
& 0xff;
952 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
953 pipe
->set_stencil_ref(pipe
, &sr
);
955 else if (clear_flags
& PIPE_CLEAR_DEPTH
) {
956 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_keep_stencil
);
958 else if (clear_flags
& PIPE_CLEAR_STENCIL
) {
959 sr
.ref_value
[0] = stencil
& 0xff;
960 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
961 pipe
->set_stencil_ref(pipe
, &sr
);
964 /* hmm that should be illegal probably, or make it a no-op somewhere */
965 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
967 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
);
968 pipe
->bind_fs_state(pipe
, blitter_get_fs_col(ctx
, 0));
969 pipe
->bind_vs_state(pipe
, ctx
->vs
);
970 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state
);
972 /* set a framebuffer state */
973 fb_state
.width
= dstsurf
->width
;
974 fb_state
.height
= dstsurf
->height
;
975 fb_state
.nr_cbufs
= 0;
976 fb_state
.cbufs
[0] = 0;
977 fb_state
.zsbuf
= dstsurf
;
978 pipe
->set_framebuffer_state(pipe
, &fb_state
);
980 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
981 blitter
->draw_rectangle(blitter
, dstx
, dsty
, dstx
+width
, dsty
+height
, depth
,
982 UTIL_BLITTER_ATTRIB_NONE
, NULL
);
983 blitter_restore_CSOs(ctx
);
986 /* draw a rectangle across a region using a custom dsa stage - for r600g */
987 void util_blitter_custom_depth_stencil(struct blitter_context
*blitter
,
988 struct pipe_surface
*zsurf
,
989 struct pipe_surface
*cbsurf
,
990 void *dsa_stage
, float depth
)
992 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
993 struct pipe_context
*pipe
= ctx
->base
.pipe
;
994 struct pipe_framebuffer_state fb_state
;
996 assert(zsurf
->texture
);
1000 /* check the saved state */
1001 blitter_check_saved_CSOs(ctx
);
1002 assert(blitter
->saved_fb_state
.nr_cbufs
!= ~0);
1005 pipe
->bind_blend_state(pipe
, ctx
->blend_write_color
);
1006 pipe
->bind_depth_stencil_alpha_state(pipe
, dsa_stage
);
1008 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
);
1009 pipe
->bind_fs_state(pipe
, blitter_get_fs_col(ctx
, 0));
1010 pipe
->bind_vs_state(pipe
, ctx
->vs
);
1011 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state
);
1013 /* set a framebuffer state */
1014 fb_state
.width
= zsurf
->width
;
1015 fb_state
.height
= zsurf
->height
;
1016 fb_state
.nr_cbufs
= 1;
1018 fb_state
.cbufs
[0] = cbsurf
;
1019 fb_state
.nr_cbufs
= 1;
1021 fb_state
.cbufs
[0] = NULL
;
1022 fb_state
.nr_cbufs
= 0;
1024 fb_state
.zsbuf
= zsurf
;
1025 pipe
->set_framebuffer_state(pipe
, &fb_state
);
1027 blitter_set_dst_dimensions(ctx
, zsurf
->width
, zsurf
->height
);
1028 blitter
->draw_rectangle(blitter
, 0, 0, zsurf
->width
, zsurf
->height
, depth
,
1029 UTIL_BLITTER_ATTRIB_NONE
, NULL
);
1030 blitter_restore_CSOs(ctx
);