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 VMWARE 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,
30 * clear_depth_stencil, resource_copy_region, and blit 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"
50 #include "util/u_upload_mgr.h"
52 #define INVALID_PTR ((void*)~0)
54 #define GET_CLEAR_BLEND_STATE_IDX(clear_buffers) \
55 ((clear_buffers) / PIPE_CLEAR_COLOR0)
57 #define NUM_RESOLVE_FRAG_SHADERS 5 /* MSAA 2x, 4x, 8x, 16x, 32x */
58 #define GET_MSAA_RESOLVE_FS_IDX(nr_samples) (util_logbase2(nr_samples)-1)
60 struct blitter_context_priv
62 struct blitter_context base
;
64 float vertices
[4][2][4]; /**< {pos, color} or {pos, texcoord} */
66 /* Templates for various state objects. */
68 /* Constant state objects. */
70 void *vs
; /**< Vertex shader which passes {pos, generic} to the output.*/
72 void *vs_pos_only
[4]; /**< Vertex shader which passes pos to the output
73 for clear_buffer/copy_buffer.*/
74 void *vs_layered
; /**< Vertex shader which sets LAYER = INSTANCEID. */
76 /* Fragment shaders. */
78 void *fs_write_one_cbuf
;
79 void *fs_write_all_cbufs
;
81 /* FS which outputs a color from a texture where
82 * the 1st index indicates the texture type / destination type,
83 * the 2nd index is the PIPE_TEXTURE_* to be sampled,
84 * the 3rd index is 0 = use TEX, 1 = use TXF.
86 void *fs_texfetch_col
[5][PIPE_MAX_TEXTURE_TYPES
][2];
88 /* FS which outputs a depth from a texture, where
89 * the 1st index is the PIPE_TEXTURE_* to be sampled,
90 * the 2nd index is 0 = use TEX, 1 = use TXF.
92 void *fs_texfetch_depth
[PIPE_MAX_TEXTURE_TYPES
][2];
93 void *fs_texfetch_depthstencil
[PIPE_MAX_TEXTURE_TYPES
][2];
94 void *fs_texfetch_stencil
[PIPE_MAX_TEXTURE_TYPES
][2];
96 /* FS which outputs one sample from a multisample texture. */
97 void *fs_texfetch_col_msaa
[5][PIPE_MAX_TEXTURE_TYPES
];
98 void *fs_texfetch_depth_msaa
[PIPE_MAX_TEXTURE_TYPES
];
99 void *fs_texfetch_depthstencil_msaa
[PIPE_MAX_TEXTURE_TYPES
];
100 void *fs_texfetch_stencil_msaa
[PIPE_MAX_TEXTURE_TYPES
];
102 /* FS which outputs an average of all samples. */
103 void *fs_resolve
[PIPE_MAX_TEXTURE_TYPES
][NUM_RESOLVE_FRAG_SHADERS
][2];
105 /* FS which unpacks color to ZS or packs ZS to color, matching
106 * the ZS format. See util_blitter_get_color_format_for_zs().
108 void *fs_pack_color_zs
[TGSI_TEXTURE_COUNT
][10];
111 void *blend
[PIPE_MASK_RGBA
+1][2]; /**< blend state with writemask */
112 void *blend_clear
[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR
)+1];
114 /* Depth stencil alpha state. */
115 void *dsa_write_depth_stencil
;
116 void *dsa_write_depth_keep_stencil
;
117 void *dsa_keep_depth_stencil
;
118 void *dsa_keep_depth_write_stencil
;
120 /* Vertex elements states. */
122 void *velem_state_readbuf
[4]; /**< X, XY, XYZ, XYZW */
126 void *sampler_state_linear
;
127 void *sampler_state_rect
;
128 void *sampler_state_rect_linear
;
130 /* Rasterizer state. */
131 void *rs_state
[2][2]; /**< [scissor][msaa] */
132 void *rs_discard_state
;
134 /* Destination surface dimensions. */
140 bool has_geometry_shader
;
141 bool has_tessellation
;
144 bool has_stencil_export
;
145 bool has_texture_multisample
;
148 bool cube_as_2darray
;
149 bool cached_all_shaders
;
151 /* The Draw module overrides these functions.
152 * Always create the blitter before Draw. */
153 void (*bind_fs_state
)(struct pipe_context
*, void *);
154 void (*delete_fs_state
)(struct pipe_context
*, void *);
157 struct blitter_context
*util_blitter_create(struct pipe_context
*pipe
)
159 struct blitter_context_priv
*ctx
;
160 struct pipe_blend_state blend
;
161 struct pipe_depth_stencil_alpha_state dsa
;
162 struct pipe_rasterizer_state rs_state
;
163 struct pipe_sampler_state sampler_state
;
164 struct pipe_vertex_element velem
[2];
167 ctx
= CALLOC_STRUCT(blitter_context_priv
);
171 ctx
->base
.pipe
= pipe
;
172 ctx
->base
.draw_rectangle
= util_blitter_draw_rectangle
;
174 ctx
->bind_fs_state
= pipe
->bind_fs_state
;
175 ctx
->delete_fs_state
= pipe
->delete_fs_state
;
177 /* init state objects for them to be considered invalid */
178 ctx
->base
.saved_blend_state
= INVALID_PTR
;
179 ctx
->base
.saved_dsa_state
= INVALID_PTR
;
180 ctx
->base
.saved_rs_state
= INVALID_PTR
;
181 ctx
->base
.saved_fs
= INVALID_PTR
;
182 ctx
->base
.saved_vs
= INVALID_PTR
;
183 ctx
->base
.saved_gs
= INVALID_PTR
;
184 ctx
->base
.saved_velem_state
= INVALID_PTR
;
185 ctx
->base
.saved_fb_state
.nr_cbufs
= ~0;
186 ctx
->base
.saved_num_sampler_views
= ~0;
187 ctx
->base
.saved_num_sampler_states
= ~0;
188 ctx
->base
.saved_num_so_targets
= ~0;
190 ctx
->has_geometry_shader
=
191 pipe
->screen
->get_shader_param(pipe
->screen
, PIPE_SHADER_GEOMETRY
,
192 PIPE_SHADER_CAP_MAX_INSTRUCTIONS
) > 0;
194 ctx
->has_tessellation
=
195 pipe
->screen
->get_shader_param(pipe
->screen
, PIPE_SHADER_TESS_CTRL
,
196 PIPE_SHADER_CAP_MAX_INSTRUCTIONS
) > 0;
198 ctx
->has_stream_out
=
199 pipe
->screen
->get_param(pipe
->screen
,
200 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
) != 0;
202 ctx
->has_stencil_export
=
203 pipe
->screen
->get_param(pipe
->screen
,
204 PIPE_CAP_SHADER_STENCIL_EXPORT
);
206 ctx
->has_texture_multisample
=
207 pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_TEXTURE_MULTISAMPLE
);
209 ctx
->has_tex_lz
= pipe
->screen
->get_param(pipe
->screen
,
210 PIPE_CAP_TGSI_TEX_TXF_LZ
);
211 ctx
->has_txf
= pipe
->screen
->get_param(pipe
->screen
,
212 PIPE_CAP_GLSL_FEATURE_LEVEL
) > 130;
213 ctx
->cube_as_2darray
= pipe
->screen
->get_param(pipe
->screen
,
214 PIPE_CAP_SAMPLER_VIEW_TARGET
);
216 /* blend state objects */
217 memset(&blend
, 0, sizeof(blend
));
219 for (i
= 0; i
<= PIPE_MASK_RGBA
; i
++) {
220 for (j
= 0; j
< 2; j
++) {
221 memset(&blend
.rt
[0], 0, sizeof(blend
.rt
[0]));
222 blend
.rt
[0].colormask
= i
;
224 blend
.rt
[0].blend_enable
= 1;
225 blend
.rt
[0].rgb_func
= PIPE_BLEND_ADD
;
226 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
227 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
228 blend
.rt
[0].alpha_func
= PIPE_BLEND_ADD
;
229 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
230 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
232 ctx
->blend
[i
][j
] = pipe
->create_blend_state(pipe
, &blend
);
236 /* depth stencil alpha state objects */
237 memset(&dsa
, 0, sizeof(dsa
));
238 ctx
->dsa_keep_depth_stencil
=
239 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
241 dsa
.depth
.enabled
= 1;
242 dsa
.depth
.writemask
= 1;
243 dsa
.depth
.func
= PIPE_FUNC_ALWAYS
;
244 ctx
->dsa_write_depth_keep_stencil
=
245 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
247 dsa
.stencil
[0].enabled
= 1;
248 dsa
.stencil
[0].func
= PIPE_FUNC_ALWAYS
;
249 dsa
.stencil
[0].fail_op
= PIPE_STENCIL_OP_REPLACE
;
250 dsa
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_REPLACE
;
251 dsa
.stencil
[0].zfail_op
= PIPE_STENCIL_OP_REPLACE
;
252 dsa
.stencil
[0].valuemask
= 0xff;
253 dsa
.stencil
[0].writemask
= 0xff;
254 ctx
->dsa_write_depth_stencil
=
255 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
257 dsa
.depth
.enabled
= 0;
258 dsa
.depth
.writemask
= 0;
259 ctx
->dsa_keep_depth_write_stencil
=
260 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
263 memset(&sampler_state
, 0, sizeof(sampler_state
));
264 sampler_state
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
265 sampler_state
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
266 sampler_state
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
267 sampler_state
.normalized_coords
= 1;
268 ctx
->sampler_state
= pipe
->create_sampler_state(pipe
, &sampler_state
);
269 sampler_state
.normalized_coords
= 0;
270 ctx
->sampler_state_rect
= pipe
->create_sampler_state(pipe
, &sampler_state
);
272 sampler_state
.min_img_filter
= PIPE_TEX_FILTER_LINEAR
;
273 sampler_state
.mag_img_filter
= PIPE_TEX_FILTER_LINEAR
;
274 sampler_state
.normalized_coords
= 1;
275 ctx
->sampler_state_linear
= pipe
->create_sampler_state(pipe
, &sampler_state
);
276 sampler_state
.normalized_coords
= 0;
277 ctx
->sampler_state_rect_linear
= pipe
->create_sampler_state(pipe
, &sampler_state
);
279 /* rasterizer state */
280 memset(&rs_state
, 0, sizeof(rs_state
));
281 rs_state
.cull_face
= PIPE_FACE_NONE
;
282 rs_state
.half_pixel_center
= 1;
283 rs_state
.bottom_edge_rule
= 1;
284 rs_state
.flatshade
= 1;
285 rs_state
.depth_clip_near
= 1;
286 rs_state
.depth_clip_far
= 1;
288 unsigned scissor
, msaa
;
289 for (scissor
= 0; scissor
< 2; scissor
++) {
290 for (msaa
= 0; msaa
< 2; msaa
++) {
291 rs_state
.scissor
= scissor
;
292 rs_state
.multisample
= msaa
;
293 ctx
->rs_state
[scissor
][msaa
] =
294 pipe
->create_rasterizer_state(pipe
, &rs_state
);
298 if (ctx
->has_stream_out
) {
299 rs_state
.scissor
= rs_state
.multisample
= 0;
300 rs_state
.rasterizer_discard
= 1;
301 ctx
->rs_discard_state
= pipe
->create_rasterizer_state(pipe
, &rs_state
);
304 ctx
->base
.cb_slot
= 0; /* 0 for now */
305 ctx
->base
.vb_slot
= 0; /* 0 for now */
307 /* vertex elements states */
308 memset(&velem
[0], 0, sizeof(velem
[0]) * 2);
309 for (i
= 0; i
< 2; i
++) {
310 velem
[i
].src_offset
= i
* 4 * sizeof(float);
311 velem
[i
].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
312 velem
[i
].vertex_buffer_index
= ctx
->base
.vb_slot
;
314 ctx
->velem_state
= pipe
->create_vertex_elements_state(pipe
, 2, &velem
[0]);
316 if (ctx
->has_stream_out
) {
317 static enum pipe_format formats
[4] = {
318 PIPE_FORMAT_R32_UINT
,
319 PIPE_FORMAT_R32G32_UINT
,
320 PIPE_FORMAT_R32G32B32_UINT
,
321 PIPE_FORMAT_R32G32B32A32_UINT
324 for (i
= 0; i
< 4; i
++) {
325 velem
[0].src_format
= formats
[i
];
326 velem
[0].vertex_buffer_index
= ctx
->base
.vb_slot
;
327 ctx
->velem_state_readbuf
[i
] =
328 pipe
->create_vertex_elements_state(pipe
, 1, &velem
[0]);
333 pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_TGSI_INSTANCEID
) &&
334 pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
);
336 /* set invariant vertex coordinates */
337 for (i
= 0; i
< 4; i
++)
338 ctx
->vertices
[i
][0][3] = 1; /*v.w*/
343 void *util_blitter_get_noop_blend_state(struct blitter_context
*blitter
)
345 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
347 return ctx
->blend
[0][0];
350 void *util_blitter_get_noop_dsa_state(struct blitter_context
*blitter
)
352 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
354 return ctx
->dsa_keep_depth_stencil
;
357 static void bind_vs_pos_only(struct blitter_context_priv
*ctx
,
358 unsigned num_so_channels
)
360 struct pipe_context
*pipe
= ctx
->base
.pipe
;
361 int index
= num_so_channels
? num_so_channels
- 1 : 0;
363 if (!ctx
->vs_pos_only
[index
]) {
364 struct pipe_stream_output_info so
;
365 static const enum tgsi_semantic semantic_names
[] =
366 { TGSI_SEMANTIC_POSITION
};
367 const uint semantic_indices
[] = { 0 };
369 memset(&so
, 0, sizeof(so
));
371 so
.output
[0].num_components
= num_so_channels
;
372 so
.stride
[0] = num_so_channels
;
374 ctx
->vs_pos_only
[index
] =
375 util_make_vertex_passthrough_shader_with_so(pipe
, 1, semantic_names
,
376 semantic_indices
, false,
380 pipe
->bind_vs_state(pipe
, ctx
->vs_pos_only
[index
]);
383 static void *get_vs_passthrough_pos_generic(struct blitter_context
*blitter
)
385 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
386 struct pipe_context
*pipe
= ctx
->base
.pipe
;
389 static const enum tgsi_semantic semantic_names
[] =
390 { TGSI_SEMANTIC_POSITION
, TGSI_SEMANTIC_GENERIC
};
391 const uint semantic_indices
[] = { 0, 0 };
393 util_make_vertex_passthrough_shader(pipe
, 2, semantic_names
,
394 semantic_indices
, false);
399 static void *get_vs_passthrough_pos(struct blitter_context
*blitter
)
401 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
402 struct pipe_context
*pipe
= ctx
->base
.pipe
;
404 if (!ctx
->vs_nogeneric
) {
405 static const enum tgsi_semantic semantic_names
[] =
406 { TGSI_SEMANTIC_POSITION
};
407 const uint semantic_indices
[] = { 0 };
410 util_make_vertex_passthrough_shader(pipe
, 1,
412 semantic_indices
, false);
414 return ctx
->vs_nogeneric
;
417 static void *get_vs_layered(struct blitter_context
*blitter
)
419 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
420 struct pipe_context
*pipe
= ctx
->base
.pipe
;
422 if (!ctx
->vs_layered
) {
423 ctx
->vs_layered
= util_make_layered_clear_vertex_shader(pipe
);
425 return ctx
->vs_layered
;
428 static void bind_fs_empty(struct blitter_context_priv
*ctx
)
430 struct pipe_context
*pipe
= ctx
->base
.pipe
;
432 if (!ctx
->fs_empty
) {
433 assert(!ctx
->cached_all_shaders
);
434 ctx
->fs_empty
= util_make_empty_fragment_shader(pipe
);
437 ctx
->bind_fs_state(pipe
, ctx
->fs_empty
);
440 static void bind_fs_write_one_cbuf(struct blitter_context_priv
*ctx
)
442 struct pipe_context
*pipe
= ctx
->base
.pipe
;
444 if (!ctx
->fs_write_one_cbuf
) {
445 assert(!ctx
->cached_all_shaders
);
446 ctx
->fs_write_one_cbuf
=
447 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
448 TGSI_INTERPOLATE_CONSTANT
, false);
451 ctx
->bind_fs_state(pipe
, ctx
->fs_write_one_cbuf
);
454 static void bind_fs_write_all_cbufs(struct blitter_context_priv
*ctx
)
456 struct pipe_context
*pipe
= ctx
->base
.pipe
;
458 if (!ctx
->fs_write_all_cbufs
) {
459 assert(!ctx
->cached_all_shaders
);
460 ctx
->fs_write_all_cbufs
=
461 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
462 TGSI_INTERPOLATE_CONSTANT
, true);
465 ctx
->bind_fs_state(pipe
, ctx
->fs_write_all_cbufs
);
468 void util_blitter_destroy(struct blitter_context
*blitter
)
470 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
471 struct pipe_context
*pipe
= blitter
->pipe
;
474 for (i
= 0; i
<= PIPE_MASK_RGBA
; i
++)
475 for (j
= 0; j
< 2; j
++)
476 pipe
->delete_blend_state(pipe
, ctx
->blend
[i
][j
]);
478 for (i
= 0; i
< ARRAY_SIZE(ctx
->blend_clear
); i
++) {
479 if (ctx
->blend_clear
[i
])
480 pipe
->delete_blend_state(pipe
, ctx
->blend_clear
[i
]);
482 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
483 pipe
->delete_depth_stencil_alpha_state(pipe
,
484 ctx
->dsa_write_depth_keep_stencil
);
485 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
486 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
488 unsigned scissor
, msaa
;
489 for (scissor
= 0; scissor
< 2; scissor
++) {
490 for (msaa
= 0; msaa
< 2; msaa
++) {
491 pipe
->delete_rasterizer_state(pipe
, ctx
->rs_state
[scissor
][msaa
]);
495 if (ctx
->rs_discard_state
)
496 pipe
->delete_rasterizer_state(pipe
, ctx
->rs_discard_state
);
498 pipe
->delete_vs_state(pipe
, ctx
->vs
);
499 if (ctx
->vs_nogeneric
)
500 pipe
->delete_vs_state(pipe
, ctx
->vs_nogeneric
);
501 for (i
= 0; i
< 4; i
++)
502 if (ctx
->vs_pos_only
[i
])
503 pipe
->delete_vs_state(pipe
, ctx
->vs_pos_only
[i
]);
505 pipe
->delete_vs_state(pipe
, ctx
->vs_layered
);
506 pipe
->delete_vertex_elements_state(pipe
, ctx
->velem_state
);
507 for (i
= 0; i
< 4; i
++) {
508 if (ctx
->velem_state_readbuf
[i
]) {
509 pipe
->delete_vertex_elements_state(pipe
, ctx
->velem_state_readbuf
[i
]);
513 for (i
= 0; i
< PIPE_MAX_TEXTURE_TYPES
; i
++) {
514 for (unsigned type
= 0; type
< ARRAY_SIZE(ctx
->fs_texfetch_col
); ++type
) {
515 for (unsigned inst
= 0; inst
< 2; inst
++) {
516 if (ctx
->fs_texfetch_col
[type
][i
][inst
])
517 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_col
[type
][i
][inst
]);
519 if (ctx
->fs_texfetch_col_msaa
[type
][i
])
520 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_col_msaa
[type
][i
]);
523 for (unsigned inst
= 0; inst
< 2; inst
++) {
524 if (ctx
->fs_texfetch_depth
[i
][inst
])
525 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depth
[i
][inst
]);
526 if (ctx
->fs_texfetch_depthstencil
[i
][inst
])
527 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depthstencil
[i
][inst
]);
528 if (ctx
->fs_texfetch_stencil
[i
][inst
])
529 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_stencil
[i
][inst
]);
532 if (ctx
->fs_texfetch_depth_msaa
[i
])
533 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depth_msaa
[i
]);
534 if (ctx
->fs_texfetch_depthstencil_msaa
[i
])
535 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depthstencil_msaa
[i
]);
536 if (ctx
->fs_texfetch_stencil_msaa
[i
])
537 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_stencil_msaa
[i
]);
539 for (j
= 0; j
< ARRAY_SIZE(ctx
->fs_resolve
[i
]); j
++)
540 for (f
= 0; f
< 2; f
++)
541 if (ctx
->fs_resolve
[i
][j
][f
])
542 ctx
->delete_fs_state(pipe
, ctx
->fs_resolve
[i
][j
][f
]);
545 for (i
= 0; i
< ARRAY_SIZE(ctx
->fs_pack_color_zs
); i
++) {
546 for (j
= 0; j
< ARRAY_SIZE(ctx
->fs_pack_color_zs
[0]); j
++) {
547 if (ctx
->fs_pack_color_zs
[i
][j
])
548 ctx
->delete_fs_state(pipe
, ctx
->fs_pack_color_zs
[i
][j
]);
553 ctx
->delete_fs_state(pipe
, ctx
->fs_empty
);
554 if (ctx
->fs_write_one_cbuf
)
555 ctx
->delete_fs_state(pipe
, ctx
->fs_write_one_cbuf
);
556 if (ctx
->fs_write_all_cbufs
)
557 ctx
->delete_fs_state(pipe
, ctx
->fs_write_all_cbufs
);
559 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state_rect_linear
);
560 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state_rect
);
561 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state_linear
);
562 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state
);
566 void util_blitter_set_texture_multisample(struct blitter_context
*blitter
,
569 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
571 ctx
->has_texture_multisample
= supported
;
574 void util_blitter_set_running_flag(struct blitter_context
*blitter
)
576 if (blitter
->running
) {
577 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
580 blitter
->running
= true;
582 blitter
->pipe
->set_active_query_state(blitter
->pipe
, false);
585 void util_blitter_unset_running_flag(struct blitter_context
*blitter
)
587 if (!blitter
->running
) {
588 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
591 blitter
->running
= false;
593 blitter
->pipe
->set_active_query_state(blitter
->pipe
, true);
596 static void blitter_check_saved_vertex_states(ASSERTED
struct blitter_context_priv
*ctx
)
598 assert(ctx
->base
.saved_vs
!= INVALID_PTR
);
599 assert(!ctx
->has_geometry_shader
|| ctx
->base
.saved_gs
!= INVALID_PTR
);
600 assert(!ctx
->has_tessellation
|| ctx
->base
.saved_tcs
!= INVALID_PTR
);
601 assert(!ctx
->has_tessellation
|| ctx
->base
.saved_tes
!= INVALID_PTR
);
602 assert(!ctx
->has_stream_out
|| ctx
->base
.saved_num_so_targets
!= ~0u);
603 assert(ctx
->base
.saved_rs_state
!= INVALID_PTR
);
606 void util_blitter_restore_vertex_states(struct blitter_context
*blitter
)
608 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
609 struct pipe_context
*pipe
= ctx
->base
.pipe
;
613 if (ctx
->base
.saved_vertex_buffer
.buffer
.resource
) {
614 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1,
615 &ctx
->base
.saved_vertex_buffer
);
616 pipe_vertex_buffer_unreference(&ctx
->base
.saved_vertex_buffer
);
619 /* Vertex elements. */
620 if (ctx
->base
.saved_velem_state
!= INVALID_PTR
) {
621 pipe
->bind_vertex_elements_state(pipe
, ctx
->base
.saved_velem_state
);
622 ctx
->base
.saved_velem_state
= INVALID_PTR
;
626 pipe
->bind_vs_state(pipe
, ctx
->base
.saved_vs
);
627 ctx
->base
.saved_vs
= INVALID_PTR
;
629 /* Geometry shader. */
630 if (ctx
->has_geometry_shader
) {
631 pipe
->bind_gs_state(pipe
, ctx
->base
.saved_gs
);
632 ctx
->base
.saved_gs
= INVALID_PTR
;
635 if (ctx
->has_tessellation
) {
636 pipe
->bind_tcs_state(pipe
, ctx
->base
.saved_tcs
);
637 pipe
->bind_tes_state(pipe
, ctx
->base
.saved_tes
);
638 ctx
->base
.saved_tcs
= INVALID_PTR
;
639 ctx
->base
.saved_tes
= INVALID_PTR
;
642 /* Stream outputs. */
643 if (ctx
->has_stream_out
) {
644 unsigned offsets
[PIPE_MAX_SO_BUFFERS
];
645 for (i
= 0; i
< ctx
->base
.saved_num_so_targets
; i
++)
646 offsets
[i
] = (unsigned)-1;
647 pipe
->set_stream_output_targets(pipe
,
648 ctx
->base
.saved_num_so_targets
,
649 ctx
->base
.saved_so_targets
, offsets
);
651 for (i
= 0; i
< ctx
->base
.saved_num_so_targets
; i
++)
652 pipe_so_target_reference(&ctx
->base
.saved_so_targets
[i
], NULL
);
654 ctx
->base
.saved_num_so_targets
= ~0;
658 pipe
->bind_rasterizer_state(pipe
, ctx
->base
.saved_rs_state
);
659 ctx
->base
.saved_rs_state
= INVALID_PTR
;
662 static void blitter_check_saved_fragment_states(ASSERTED
struct blitter_context_priv
*ctx
)
664 assert(ctx
->base
.saved_fs
!= INVALID_PTR
);
665 assert(ctx
->base
.saved_dsa_state
!= INVALID_PTR
);
666 assert(ctx
->base
.saved_blend_state
!= INVALID_PTR
);
669 void util_blitter_restore_fragment_states(struct blitter_context
*blitter
)
671 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
672 struct pipe_context
*pipe
= ctx
->base
.pipe
;
674 /* Fragment shader. */
675 ctx
->bind_fs_state(pipe
, ctx
->base
.saved_fs
);
676 ctx
->base
.saved_fs
= INVALID_PTR
;
678 /* Depth, stencil, alpha. */
679 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->base
.saved_dsa_state
);
680 ctx
->base
.saved_dsa_state
= INVALID_PTR
;
683 pipe
->bind_blend_state(pipe
, ctx
->base
.saved_blend_state
);
684 ctx
->base
.saved_blend_state
= INVALID_PTR
;
687 if (ctx
->base
.is_sample_mask_saved
) {
688 pipe
->set_sample_mask(pipe
, ctx
->base
.saved_sample_mask
);
689 ctx
->base
.is_sample_mask_saved
= false;
692 /* Miscellaneous states. */
693 /* XXX check whether these are saved and whether they need to be restored
694 * (depending on the operation) */
695 pipe
->set_stencil_ref(pipe
, &ctx
->base
.saved_stencil_ref
);
697 if (!blitter
->skip_viewport_restore
)
698 pipe
->set_viewport_states(pipe
, 0, 1, &ctx
->base
.saved_viewport
);
700 if (blitter
->saved_num_window_rectangles
) {
701 pipe
->set_window_rectangles(pipe
,
702 blitter
->saved_window_rectangles_include
,
703 blitter
->saved_num_window_rectangles
,
704 blitter
->saved_window_rectangles
);
708 static void blitter_check_saved_fb_state(ASSERTED
struct blitter_context_priv
*ctx
)
710 assert(ctx
->base
.saved_fb_state
.nr_cbufs
!= (ubyte
) ~0);
713 static void blitter_disable_render_cond(struct blitter_context_priv
*ctx
)
715 struct pipe_context
*pipe
= ctx
->base
.pipe
;
717 if (ctx
->base
.saved_render_cond_query
) {
718 pipe
->render_condition(pipe
, NULL
, false, 0);
722 void util_blitter_restore_render_cond(struct blitter_context
*blitter
)
724 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
725 struct pipe_context
*pipe
= ctx
->base
.pipe
;
727 if (ctx
->base
.saved_render_cond_query
) {
728 pipe
->render_condition(pipe
, ctx
->base
.saved_render_cond_query
,
729 ctx
->base
.saved_render_cond_cond
,
730 ctx
->base
.saved_render_cond_mode
);
731 ctx
->base
.saved_render_cond_query
= NULL
;
735 void util_blitter_restore_fb_state(struct blitter_context
*blitter
)
737 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
738 struct pipe_context
*pipe
= ctx
->base
.pipe
;
740 pipe
->set_framebuffer_state(pipe
, &ctx
->base
.saved_fb_state
);
741 util_unreference_framebuffer_state(&ctx
->base
.saved_fb_state
);
744 static void blitter_check_saved_textures(ASSERTED
struct blitter_context_priv
*ctx
)
746 assert(ctx
->base
.saved_num_sampler_states
!= ~0u);
747 assert(ctx
->base
.saved_num_sampler_views
!= ~0u);
750 void util_blitter_restore_textures(struct blitter_context
*blitter
)
752 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
753 struct pipe_context
*pipe
= ctx
->base
.pipe
;
756 /* Fragment sampler states. */
757 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
, 0,
758 ctx
->base
.saved_num_sampler_states
,
759 ctx
->base
.saved_sampler_states
);
761 ctx
->base
.saved_num_sampler_states
= ~0;
763 /* Fragment sampler views. */
764 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0,
765 ctx
->base
.saved_num_sampler_views
,
766 ctx
->base
.saved_sampler_views
);
768 for (i
= 0; i
< ctx
->base
.saved_num_sampler_views
; i
++)
769 pipe_sampler_view_reference(&ctx
->base
.saved_sampler_views
[i
], NULL
);
771 ctx
->base
.saved_num_sampler_views
= ~0;
774 void util_blitter_restore_constant_buffer_state(struct blitter_context
*blitter
)
776 struct pipe_context
*pipe
= blitter
->pipe
;
778 pipe
->set_constant_buffer(pipe
, PIPE_SHADER_FRAGMENT
, blitter
->cb_slot
,
779 &blitter
->saved_fs_constant_buffer
);
780 pipe_resource_reference(&blitter
->saved_fs_constant_buffer
.buffer
, NULL
);
783 static void blitter_set_rectangle(struct blitter_context_priv
*ctx
,
784 int x1
, int y1
, int x2
, int y2
,
789 /* set vertex positions */
790 ctx
->vertices
[0][0][0] = (float)x1
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v0.x*/
791 ctx
->vertices
[0][0][1] = (float)y1
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v0.y*/
793 ctx
->vertices
[1][0][0] = (float)x2
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v1.x*/
794 ctx
->vertices
[1][0][1] = (float)y1
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v1.y*/
796 ctx
->vertices
[2][0][0] = (float)x2
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v2.x*/
797 ctx
->vertices
[2][0][1] = (float)y2
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v2.y*/
799 ctx
->vertices
[3][0][0] = (float)x1
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v3.x*/
800 ctx
->vertices
[3][0][1] = (float)y2
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v3.y*/
802 for (i
= 0; i
< 4; i
++)
803 ctx
->vertices
[i
][0][2] = depth
; /*z*/
806 struct pipe_viewport_state viewport
;
807 viewport
.scale
[0] = 0.5f
* ctx
->dst_width
;
808 viewport
.scale
[1] = 0.5f
* ctx
->dst_height
;
809 viewport
.scale
[2] = 1.0f
;
810 viewport
.translate
[0] = 0.5f
* ctx
->dst_width
;
811 viewport
.translate
[1] = 0.5f
* ctx
->dst_height
;
812 viewport
.translate
[2] = 0.0f
;
813 ctx
->base
.pipe
->set_viewport_states(ctx
->base
.pipe
, 0, 1, &viewport
);
816 static void blitter_set_clear_color(struct blitter_context_priv
*ctx
,
817 const float color
[4])
822 for (i
= 0; i
< 4; i
++)
823 memcpy(&ctx
->vertices
[i
][1][0], color
, sizeof(uint32_t) * 4);
825 for (i
= 0; i
< 4; i
++)
826 memset(&ctx
->vertices
[i
][1][0], 0, sizeof(uint32_t) * 4);
830 static void get_texcoords(struct pipe_sampler_view
*src
,
831 unsigned src_width0
, unsigned src_height0
,
832 int x1
, int y1
, int x2
, int y2
,
833 float layer
, unsigned sample
,
834 bool uses_txf
, union blitter_attrib
*out
)
836 unsigned level
= src
->u
.tex
.first_level
;
837 bool normalized
= !uses_txf
&&
838 src
->target
!= PIPE_TEXTURE_RECT
&&
839 src
->texture
->nr_samples
<= 1;
842 out
->texcoord
.x1
= x1
/ (float)u_minify(src_width0
, level
);
843 out
->texcoord
.y1
= y1
/ (float)u_minify(src_height0
, level
);
844 out
->texcoord
.x2
= x2
/ (float)u_minify(src_width0
, level
);
845 out
->texcoord
.y2
= y2
/ (float)u_minify(src_height0
, level
);
847 out
->texcoord
.x1
= x1
;
848 out
->texcoord
.y1
= y1
;
849 out
->texcoord
.x2
= x2
;
850 out
->texcoord
.y2
= y2
;
857 switch (src
->target
) {
858 case PIPE_TEXTURE_3D
:
863 r
/= u_minify(src
->texture
->depth0
, src
->u
.tex
.first_level
);
869 case PIPE_TEXTURE_1D_ARRAY
:
870 out
->texcoord
.y1
= out
->texcoord
.y2
= layer
;
873 case PIPE_TEXTURE_2D_ARRAY
:
874 out
->texcoord
.z
= layer
;
875 out
->texcoord
.w
= sample
;
878 case PIPE_TEXTURE_CUBE_ARRAY
:
879 out
->texcoord
.w
= (unsigned)layer
/ 6;
882 case PIPE_TEXTURE_2D
:
883 out
->texcoord
.w
= sample
;
890 static void blitter_set_dst_dimensions(struct blitter_context_priv
*ctx
,
891 unsigned width
, unsigned height
)
893 ctx
->dst_width
= width
;
894 ctx
->dst_height
= height
;
897 static void set_texcoords_in_vertices(const union blitter_attrib
*attrib
,
898 float *out
, unsigned stride
)
900 out
[0] = attrib
->texcoord
.x1
;
901 out
[1] = attrib
->texcoord
.y1
;
903 out
[0] = attrib
->texcoord
.x2
;
904 out
[1] = attrib
->texcoord
.y1
;
906 out
[0] = attrib
->texcoord
.x2
;
907 out
[1] = attrib
->texcoord
.y2
;
909 out
[0] = attrib
->texcoord
.x1
;
910 out
[1] = attrib
->texcoord
.y2
;
913 static void *blitter_get_fs_texfetch_col(struct blitter_context_priv
*ctx
,
914 enum pipe_format src_format
,
915 enum pipe_format dst_format
,
916 enum pipe_texture_target target
,
917 unsigned src_nr_samples
,
918 unsigned dst_nr_samples
,
922 struct pipe_context
*pipe
= ctx
->base
.pipe
;
923 enum tgsi_texture_type tgsi_tex
=
924 util_pipe_tex_to_tgsi_tex(target
, src_nr_samples
);
925 enum tgsi_return_type stype
;
926 enum tgsi_return_type dtype
;
929 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
931 if (util_format_is_pure_uint(src_format
)) {
932 stype
= TGSI_RETURN_TYPE_UINT
;
933 if (util_format_is_pure_uint(dst_format
)) {
934 dtype
= TGSI_RETURN_TYPE_UINT
;
937 assert(util_format_is_pure_sint(dst_format
));
938 dtype
= TGSI_RETURN_TYPE_SINT
;
941 } else if (util_format_is_pure_sint(src_format
)) {
942 stype
= TGSI_RETURN_TYPE_SINT
;
943 if (util_format_is_pure_sint(dst_format
)) {
944 dtype
= TGSI_RETURN_TYPE_SINT
;
947 assert(util_format_is_pure_uint(dst_format
));
948 dtype
= TGSI_RETURN_TYPE_UINT
;
952 assert(!util_format_is_pure_uint(dst_format
) &&
953 !util_format_is_pure_sint(dst_format
));
954 dtype
= stype
= TGSI_RETURN_TYPE_FLOAT
;
958 if (src_nr_samples
> 1) {
961 /* OpenGL requires that integer textures just copy 1 sample instead
964 if (dst_nr_samples
<= 1 &&
965 stype
!= TGSI_RETURN_TYPE_UINT
&&
966 stype
!= TGSI_RETURN_TYPE_SINT
) {
967 /* The destination has one sample, so we'll do color resolve. */
968 unsigned index
= GET_MSAA_RESOLVE_FS_IDX(src_nr_samples
);
972 shader
= &ctx
->fs_resolve
[target
][index
][filter
];
975 assert(!ctx
->cached_all_shaders
);
976 if (filter
== PIPE_TEX_FILTER_LINEAR
) {
977 *shader
= util_make_fs_msaa_resolve_bilinear(pipe
, tgsi_tex
,
982 *shader
= util_make_fs_msaa_resolve(pipe
, tgsi_tex
,
989 /* The destination has multiple samples, we'll do
990 * an MSAA->MSAA copy.
992 shader
= &ctx
->fs_texfetch_col_msaa
[type
][target
];
994 /* Create the fragment shader on-demand. */
996 assert(!ctx
->cached_all_shaders
);
997 *shader
= util_make_fs_blit_msaa_color(pipe
, tgsi_tex
, stype
, dtype
);
1006 shader
= &ctx
->fs_texfetch_col
[type
][target
][1];
1008 shader
= &ctx
->fs_texfetch_col
[type
][target
][0];
1010 /* Create the fragment shader on-demand. */
1012 assert(!ctx
->cached_all_shaders
);
1013 *shader
= util_make_fragment_tex_shader(pipe
, tgsi_tex
,
1014 TGSI_INTERPOLATE_LINEAR
,
1016 ctx
->has_tex_lz
, use_txf
);
1024 void *blitter_get_fs_pack_color_zs(struct blitter_context_priv
*ctx
,
1025 enum pipe_texture_target target
,
1026 unsigned nr_samples
,
1027 enum pipe_format zs_format
,
1030 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1031 enum tgsi_texture_type tgsi_tex
=
1032 util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1033 int format_index
= zs_format
== PIPE_FORMAT_Z24_UNORM_S8_UINT
? 0 :
1034 zs_format
== PIPE_FORMAT_S8_UINT_Z24_UNORM
? 1 :
1035 zs_format
== PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
? 2 :
1036 zs_format
== PIPE_FORMAT_Z24X8_UNORM
? 3 :
1037 zs_format
== PIPE_FORMAT_X8Z24_UNORM
? 4 : -1;
1039 if (format_index
== -1) {
1044 /* The first 5 shaders pack ZS to color, the last 5 shaders unpack color
1050 void **shader
= &ctx
->fs_pack_color_zs
[tgsi_tex
][format_index
];
1052 /* Create the fragment shader on-demand. */
1054 assert(!ctx
->cached_all_shaders
);
1055 *shader
= util_make_fs_pack_color_zs(pipe
, tgsi_tex
, zs_format
,
1062 void *blitter_get_fs_texfetch_depth(struct blitter_context_priv
*ctx
,
1063 enum pipe_texture_target target
,
1064 unsigned nr_samples
,
1067 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1069 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
1071 if (nr_samples
> 1) {
1072 void **shader
= &ctx
->fs_texfetch_depth_msaa
[target
];
1074 /* Create the fragment shader on-demand. */
1076 enum tgsi_texture_type tgsi_tex
;
1077 assert(!ctx
->cached_all_shaders
);
1078 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1079 *shader
= util_make_fs_blit_msaa_depth(pipe
, tgsi_tex
);
1087 shader
= &ctx
->fs_texfetch_depth
[target
][1];
1089 shader
= &ctx
->fs_texfetch_depth
[target
][0];
1091 /* Create the fragment shader on-demand. */
1093 enum tgsi_texture_type tgsi_tex
;
1094 assert(!ctx
->cached_all_shaders
);
1095 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, 0);
1096 *shader
= util_make_fs_blit_zs(pipe
, PIPE_MASK_Z
, tgsi_tex
,
1097 ctx
->has_tex_lz
, use_txf
);
1105 void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv
*ctx
,
1106 enum pipe_texture_target target
,
1107 unsigned nr_samples
,
1110 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1112 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
1114 if (nr_samples
> 1) {
1115 void **shader
= &ctx
->fs_texfetch_depthstencil_msaa
[target
];
1117 /* Create the fragment shader on-demand. */
1119 enum tgsi_texture_type tgsi_tex
;
1120 assert(!ctx
->cached_all_shaders
);
1121 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1122 *shader
= util_make_fs_blit_msaa_depthstencil(pipe
, tgsi_tex
);
1130 shader
= &ctx
->fs_texfetch_depthstencil
[target
][1];
1132 shader
= &ctx
->fs_texfetch_depthstencil
[target
][0];
1134 /* Create the fragment shader on-demand. */
1136 enum tgsi_texture_type tgsi_tex
;
1137 assert(!ctx
->cached_all_shaders
);
1138 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, 0);
1139 *shader
= util_make_fs_blit_zs(pipe
, PIPE_MASK_ZS
, tgsi_tex
,
1140 ctx
->has_tex_lz
, use_txf
);
1148 void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv
*ctx
,
1149 enum pipe_texture_target target
,
1150 unsigned nr_samples
,
1153 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1155 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
1157 if (nr_samples
> 1) {
1158 void **shader
= &ctx
->fs_texfetch_stencil_msaa
[target
];
1160 /* Create the fragment shader on-demand. */
1162 enum tgsi_texture_type tgsi_tex
;
1163 assert(!ctx
->cached_all_shaders
);
1164 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1165 *shader
= util_make_fs_blit_msaa_stencil(pipe
, tgsi_tex
);
1173 shader
= &ctx
->fs_texfetch_stencil
[target
][1];
1175 shader
= &ctx
->fs_texfetch_stencil
[target
][0];
1177 /* Create the fragment shader on-demand. */
1179 enum tgsi_texture_type tgsi_tex
;
1180 assert(!ctx
->cached_all_shaders
);
1181 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, 0);
1182 *shader
= util_make_fs_blit_zs(pipe
, PIPE_MASK_S
, tgsi_tex
,
1183 ctx
->has_tex_lz
, use_txf
);
1192 * Generate and save all fragment shaders that we will ever need for
1193 * blitting. Drivers which use the 'draw' fallbacks will typically use
1194 * this to make sure we generate/use shaders that don't go through the
1195 * draw module's wrapper functions.
1197 void util_blitter_cache_all_shaders(struct blitter_context
*blitter
)
1199 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1200 struct pipe_context
*pipe
= blitter
->pipe
;
1201 struct pipe_screen
*screen
= pipe
->screen
;
1202 unsigned samples
, j
, f
, target
, max_samples
, use_txf
;
1203 bool has_arraytex
, has_cubearraytex
;
1205 max_samples
= ctx
->has_texture_multisample
? 2 : 1;
1206 has_arraytex
= screen
->get_param(screen
,
1207 PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
) != 0;
1208 has_cubearraytex
= screen
->get_param(screen
,
1209 PIPE_CAP_CUBE_MAP_ARRAY
) != 0;
1211 /* It only matters if i <= 1 or > 1. */
1212 for (samples
= 1; samples
<= max_samples
; samples
++) {
1213 for (target
= PIPE_TEXTURE_1D
; target
< PIPE_MAX_TEXTURE_TYPES
; target
++) {
1214 for (use_txf
= 0; use_txf
<= ctx
->has_txf
; use_txf
++) {
1215 if (!has_arraytex
&&
1216 (target
== PIPE_TEXTURE_1D_ARRAY
||
1217 target
== PIPE_TEXTURE_2D_ARRAY
)) {
1220 if (!has_cubearraytex
&&
1221 (target
== PIPE_TEXTURE_CUBE_ARRAY
))
1225 (target
!= PIPE_TEXTURE_2D
&&
1226 target
!= PIPE_TEXTURE_2D_ARRAY
))
1229 if (samples
> 1 && use_txf
)
1230 continue; /* TXF is the only option, use_txf has no effect */
1232 /* If samples == 1, the shaders read one texel. If samples >= 1,
1233 * they read one sample.
1235 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_FLOAT
,
1236 PIPE_FORMAT_R32_FLOAT
, target
,
1237 samples
, samples
, 0, use_txf
);
1238 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_UINT
,
1239 PIPE_FORMAT_R32_UINT
, target
,
1240 samples
, samples
, 0, use_txf
);
1241 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_UINT
,
1242 PIPE_FORMAT_R32_SINT
, target
,
1243 samples
, samples
, 0, use_txf
);
1244 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_SINT
,
1245 PIPE_FORMAT_R32_SINT
, target
,
1246 samples
, samples
, 0, use_txf
);
1247 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_SINT
,
1248 PIPE_FORMAT_R32_UINT
, target
,
1249 samples
, samples
, 0, use_txf
);
1250 blitter_get_fs_texfetch_depth(ctx
, target
, samples
, use_txf
);
1251 if (ctx
->has_stencil_export
) {
1252 blitter_get_fs_texfetch_depthstencil(ctx
, target
, samples
, use_txf
);
1253 blitter_get_fs_texfetch_stencil(ctx
, target
, samples
, use_txf
);
1259 /* MSAA resolve shaders. */
1260 for (j
= 2; j
< 32; j
++) {
1261 if (!screen
->is_format_supported(screen
, PIPE_FORMAT_R32_FLOAT
,
1263 PIPE_BIND_SAMPLER_VIEW
)) {
1267 for (f
= 0; f
< 2; f
++) {
1268 if (f
!= PIPE_TEX_FILTER_NEAREST
&& use_txf
)
1271 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_FLOAT
,
1272 PIPE_FORMAT_R32_FLOAT
, target
,
1274 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_UINT
,
1275 PIPE_FORMAT_R32_UINT
, target
,
1277 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_SINT
,
1278 PIPE_FORMAT_R32_SINT
, target
,
1286 ctx
->fs_empty
= util_make_empty_fragment_shader(pipe
);
1288 ctx
->fs_write_one_cbuf
=
1289 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
1290 TGSI_INTERPOLATE_CONSTANT
, false);
1292 ctx
->fs_write_all_cbufs
=
1293 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
1294 TGSI_INTERPOLATE_CONSTANT
, true);
1296 ctx
->cached_all_shaders
= true;
1299 static void blitter_set_common_draw_rect_state(struct blitter_context_priv
*ctx
,
1300 bool scissor
, bool msaa
)
1302 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1304 if (ctx
->base
.saved_num_window_rectangles
)
1305 pipe
->set_window_rectangles(pipe
, false, 0, NULL
);
1307 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
[scissor
][msaa
]);
1309 if (ctx
->has_geometry_shader
)
1310 pipe
->bind_gs_state(pipe
, NULL
);
1311 if (ctx
->has_tessellation
) {
1312 pipe
->bind_tcs_state(pipe
, NULL
);
1313 pipe
->bind_tes_state(pipe
, NULL
);
1315 if (ctx
->has_stream_out
)
1316 pipe
->set_stream_output_targets(pipe
, 0, NULL
, NULL
);
1319 static void blitter_draw(struct blitter_context_priv
*ctx
,
1320 void *vertex_elements_cso
,
1321 blitter_get_vs_func get_vs
,
1322 int x1
, int y1
, int x2
, int y2
, float depth
,
1323 unsigned num_instances
)
1325 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1326 struct pipe_vertex_buffer vb
= {0};
1328 blitter_set_rectangle(ctx
, x1
, y1
, x2
, y2
, depth
);
1330 vb
.stride
= 8 * sizeof(float);
1332 u_upload_data(pipe
->stream_uploader
, 0, sizeof(ctx
->vertices
), 4, ctx
->vertices
,
1333 &vb
.buffer_offset
, &vb
.buffer
.resource
);
1334 if (!vb
.buffer
.resource
)
1336 u_upload_unmap(pipe
->stream_uploader
);
1338 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1, &vb
);
1339 pipe
->bind_vertex_elements_state(pipe
, vertex_elements_cso
);
1340 pipe
->bind_vs_state(pipe
, get_vs(&ctx
->base
));
1342 if (ctx
->base
.use_index_buffer
) {
1343 /* Note that for V3D,
1344 * dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_* require
1345 * that the last vert of the two tris be the same.
1347 static uint8_t indices
[6] = { 0, 1, 2, 0, 3, 2 };
1348 util_draw_elements_instanced(pipe
, indices
, 1, 0,
1349 PIPE_PRIM_TRIANGLES
, 0, 6,
1352 util_draw_arrays_instanced(pipe
, PIPE_PRIM_TRIANGLE_FAN
, 0, 4,
1355 pipe_resource_reference(&vb
.buffer
.resource
, NULL
);
1358 void util_blitter_draw_rectangle(struct blitter_context
*blitter
,
1359 void *vertex_elements_cso
,
1360 blitter_get_vs_func get_vs
,
1361 int x1
, int y1
, int x2
, int y2
,
1362 float depth
, unsigned num_instances
,
1363 enum blitter_attrib_type type
,
1364 const union blitter_attrib
*attrib
)
1366 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1370 case UTIL_BLITTER_ATTRIB_COLOR
:
1371 blitter_set_clear_color(ctx
, attrib
->color
);
1374 case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
:
1375 for (i
= 0; i
< 4; i
++) {
1376 ctx
->vertices
[i
][1][2] = attrib
->texcoord
.z
;
1377 ctx
->vertices
[i
][1][3] = attrib
->texcoord
.w
;
1380 case UTIL_BLITTER_ATTRIB_TEXCOORD_XY
:
1381 set_texcoords_in_vertices(attrib
, &ctx
->vertices
[0][1][0], 8);
1387 blitter_draw(ctx
, vertex_elements_cso
, get_vs
, x1
, y1
, x2
, y2
, depth
,
1391 static void *get_clear_blend_state(struct blitter_context_priv
*ctx
,
1392 unsigned clear_buffers
)
1394 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1397 clear_buffers
&= PIPE_CLEAR_COLOR
;
1399 /* Return an existing blend state. */
1401 return ctx
->blend
[0][0];
1403 index
= GET_CLEAR_BLEND_STATE_IDX(clear_buffers
);
1405 if (ctx
->blend_clear
[index
])
1406 return ctx
->blend_clear
[index
];
1408 /* Create a new one. */
1410 struct pipe_blend_state blend
= {0};
1413 blend
.independent_blend_enable
= 1;
1415 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
1416 if (clear_buffers
& (PIPE_CLEAR_COLOR0
<< i
)) {
1417 blend
.rt
[i
].colormask
= PIPE_MASK_RGBA
;
1421 ctx
->blend_clear
[index
] = pipe
->create_blend_state(pipe
, &blend
);
1423 return ctx
->blend_clear
[index
];
1426 void util_blitter_common_clear_setup(struct blitter_context
*blitter
,
1427 unsigned width
, unsigned height
,
1428 unsigned clear_buffers
,
1429 void *custom_blend
, void *custom_dsa
)
1431 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1432 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1434 util_blitter_set_running_flag(blitter
);
1435 blitter_check_saved_vertex_states(ctx
);
1436 blitter_check_saved_fragment_states(ctx
);
1437 blitter_disable_render_cond(ctx
);
1441 pipe
->bind_blend_state(pipe
, custom_blend
);
1443 pipe
->bind_blend_state(pipe
, get_clear_blend_state(ctx
, clear_buffers
));
1447 pipe
->bind_depth_stencil_alpha_state(pipe
, custom_dsa
);
1448 } else if ((clear_buffers
& PIPE_CLEAR_DEPTHSTENCIL
) == PIPE_CLEAR_DEPTHSTENCIL
) {
1449 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
1450 } else if (clear_buffers
& PIPE_CLEAR_DEPTH
) {
1451 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_keep_stencil
);
1452 } else if (clear_buffers
& PIPE_CLEAR_STENCIL
) {
1453 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
1455 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
1458 pipe
->set_sample_mask(pipe
, ~0);
1459 blitter_set_dst_dimensions(ctx
, width
, height
);
1462 static void util_blitter_clear_custom(struct blitter_context
*blitter
,
1463 unsigned width
, unsigned height
,
1464 unsigned num_layers
,
1465 unsigned clear_buffers
,
1466 const union pipe_color_union
*color
,
1467 double depth
, unsigned stencil
,
1468 void *custom_blend
, void *custom_dsa
,
1471 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1472 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1473 struct pipe_stencil_ref sr
= { { 0 } };
1475 assert(ctx
->has_layered
|| num_layers
<= 1);
1477 util_blitter_common_clear_setup(blitter
, width
, height
, clear_buffers
,
1478 custom_blend
, custom_dsa
);
1480 sr
.ref_value
[0] = stencil
& 0xff;
1481 pipe
->set_stencil_ref(pipe
, &sr
);
1483 bind_fs_write_all_cbufs(ctx
);
1485 union blitter_attrib attrib
;
1486 memcpy(attrib
.color
, color
->ui
, sizeof(color
->ui
));
1488 bool pass_generic
= (clear_buffers
& PIPE_CLEAR_COLOR
) != 0;
1489 enum blitter_attrib_type type
= pass_generic
? UTIL_BLITTER_ATTRIB_COLOR
:
1490 UTIL_BLITTER_ATTRIB_NONE
;
1492 if (num_layers
> 1 && ctx
->has_layered
) {
1493 blitter_get_vs_func get_vs
= get_vs_layered
;
1495 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
1496 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs
,
1497 0, 0, width
, height
,
1498 (float) depth
, num_layers
, type
, &attrib
);
1500 blitter_get_vs_func get_vs
;
1503 get_vs
= get_vs_passthrough_pos_generic
;
1505 get_vs
= get_vs_passthrough_pos
;
1507 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
1508 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs
,
1509 0, 0, width
, height
,
1510 (float) depth
, 1, type
, &attrib
);
1513 util_blitter_restore_vertex_states(blitter
);
1514 util_blitter_restore_fragment_states(blitter
);
1515 util_blitter_restore_render_cond(blitter
);
1516 util_blitter_unset_running_flag(blitter
);
1519 void util_blitter_clear(struct blitter_context
*blitter
,
1520 unsigned width
, unsigned height
, unsigned num_layers
,
1521 unsigned clear_buffers
,
1522 const union pipe_color_union
*color
,
1523 double depth
, unsigned stencil
,
1526 util_blitter_clear_custom(blitter
, width
, height
, num_layers
,
1527 clear_buffers
, color
, depth
, stencil
,
1531 void util_blitter_custom_clear_depth(struct blitter_context
*blitter
,
1532 unsigned width
, unsigned height
,
1533 double depth
, void *custom_dsa
)
1535 static const union pipe_color_union color
;
1536 util_blitter_clear_custom(blitter
, width
, height
, 0, 0, &color
, depth
, 0,
1537 NULL
, custom_dsa
, false);
1540 void util_blitter_default_dst_texture(struct pipe_surface
*dst_templ
,
1541 struct pipe_resource
*dst
,
1545 memset(dst_templ
, 0, sizeof(*dst_templ
));
1546 dst_templ
->format
= util_format_linear(dst
->format
);
1547 dst_templ
->u
.tex
.level
= dstlevel
;
1548 dst_templ
->u
.tex
.first_layer
= dstz
;
1549 dst_templ
->u
.tex
.last_layer
= dstz
;
1552 static struct pipe_surface
*
1553 util_blitter_get_next_surface_layer(struct pipe_context
*pipe
,
1554 struct pipe_surface
*surf
)
1556 struct pipe_surface dst_templ
;
1558 memset(&dst_templ
, 0, sizeof(dst_templ
));
1559 dst_templ
.format
= surf
->format
;
1560 dst_templ
.u
.tex
.level
= surf
->u
.tex
.level
;
1561 dst_templ
.u
.tex
.first_layer
= surf
->u
.tex
.first_layer
+ 1;
1562 dst_templ
.u
.tex
.last_layer
= surf
->u
.tex
.last_layer
+ 1;
1564 return pipe
->create_surface(pipe
, surf
->texture
, &dst_templ
);
1567 void util_blitter_default_src_texture(struct blitter_context
*blitter
,
1568 struct pipe_sampler_view
*src_templ
,
1569 struct pipe_resource
*src
,
1572 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1574 memset(src_templ
, 0, sizeof(*src_templ
));
1576 if (ctx
->cube_as_2darray
&&
1577 (src
->target
== PIPE_TEXTURE_CUBE
||
1578 src
->target
== PIPE_TEXTURE_CUBE_ARRAY
))
1579 src_templ
->target
= PIPE_TEXTURE_2D_ARRAY
;
1581 src_templ
->target
= src
->target
;
1583 src_templ
->format
= util_format_linear(src
->format
);
1584 src_templ
->u
.tex
.first_level
= srclevel
;
1585 src_templ
->u
.tex
.last_level
= srclevel
;
1586 src_templ
->u
.tex
.first_layer
= 0;
1587 src_templ
->u
.tex
.last_layer
=
1588 src
->target
== PIPE_TEXTURE_3D
? u_minify(src
->depth0
, srclevel
) - 1
1589 : (unsigned)(src
->array_size
- 1);
1590 src_templ
->swizzle_r
= PIPE_SWIZZLE_X
;
1591 src_templ
->swizzle_g
= PIPE_SWIZZLE_Y
;
1592 src_templ
->swizzle_b
= PIPE_SWIZZLE_Z
;
1593 src_templ
->swizzle_a
= PIPE_SWIZZLE_W
;
1596 static bool is_blit_generic_supported(struct blitter_context
*blitter
,
1597 const struct pipe_resource
*dst
,
1598 enum pipe_format dst_format
,
1599 const struct pipe_resource
*src
,
1600 enum pipe_format src_format
,
1603 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1604 struct pipe_screen
*screen
= ctx
->base
.pipe
->screen
;
1608 const struct util_format_description
*desc
=
1609 util_format_description(dst_format
);
1610 bool dst_has_stencil
= util_format_has_stencil(desc
);
1612 /* Stencil export must be supported for stencil copy. */
1613 if ((mask
& PIPE_MASK_S
) && dst_has_stencil
&&
1614 !ctx
->has_stencil_export
) {
1618 if (dst_has_stencil
|| util_format_has_depth(desc
))
1619 bind
= PIPE_BIND_DEPTH_STENCIL
;
1621 bind
= PIPE_BIND_RENDER_TARGET
;
1623 if (!screen
->is_format_supported(screen
, dst_format
, dst
->target
,
1624 dst
->nr_samples
, dst
->nr_storage_samples
,
1631 if (src
->nr_samples
> 1 && !ctx
->has_texture_multisample
) {
1635 if (!screen
->is_format_supported(screen
, src_format
, src
->target
,
1636 src
->nr_samples
, src
->nr_storage_samples
,
1637 PIPE_BIND_SAMPLER_VIEW
)) {
1641 /* Check stencil sampler support for stencil copy. */
1642 if (mask
& PIPE_MASK_S
) {
1643 if (util_format_has_stencil(util_format_description(src_format
))) {
1644 enum pipe_format stencil_format
=
1645 util_format_stencil_only(src_format
);
1646 assert(stencil_format
!= PIPE_FORMAT_NONE
);
1648 if (stencil_format
!= src_format
&&
1649 !screen
->is_format_supported(screen
, stencil_format
,
1650 src
->target
, src
->nr_samples
,
1651 src
->nr_storage_samples
,
1652 PIPE_BIND_SAMPLER_VIEW
)) {
1662 bool util_blitter_is_copy_supported(struct blitter_context
*blitter
,
1663 const struct pipe_resource
*dst
,
1664 const struct pipe_resource
*src
)
1666 return is_blit_generic_supported(blitter
, dst
, dst
->format
,
1667 src
, src
->format
, PIPE_MASK_RGBAZS
);
1670 bool util_blitter_is_blit_supported(struct blitter_context
*blitter
,
1671 const struct pipe_blit_info
*info
)
1673 return is_blit_generic_supported(blitter
,
1674 info
->dst
.resource
, info
->dst
.format
,
1675 info
->src
.resource
, info
->src
.format
,
1679 void util_blitter_copy_texture(struct blitter_context
*blitter
,
1680 struct pipe_resource
*dst
,
1682 unsigned dstx
, unsigned dsty
, unsigned dstz
,
1683 struct pipe_resource
*src
,
1685 const struct pipe_box
*srcbox
)
1687 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1688 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1689 struct pipe_surface
*dst_view
, dst_templ
;
1690 struct pipe_sampler_view src_templ
, *src_view
;
1691 struct pipe_box dstbox
;
1694 assert(src
->target
< PIPE_MAX_TEXTURE_TYPES
);
1696 u_box_3d(dstx
, dsty
, dstz
, abs(srcbox
->width
), abs(srcbox
->height
),
1697 abs(srcbox
->depth
), &dstbox
);
1699 /* Initialize the surface. */
1700 util_blitter_default_dst_texture(&dst_templ
, dst
, dst_level
, dstz
);
1701 dst_view
= pipe
->create_surface(pipe
, dst
, &dst_templ
);
1703 /* Initialize the sampler view. */
1704 util_blitter_default_src_texture(blitter
, &src_templ
, src
, src_level
);
1705 src_view
= pipe
->create_sampler_view(pipe
, src
, &src_templ
);
1708 util_blitter_blit_generic(blitter
, dst_view
, &dstbox
,
1709 src_view
, srcbox
, src
->width0
, src
->height0
,
1710 PIPE_MASK_RGBAZS
, PIPE_TEX_FILTER_NEAREST
, NULL
,
1713 pipe_surface_reference(&dst_view
, NULL
);
1714 pipe_sampler_view_reference(&src_view
, NULL
);
1718 blitter_draw_tex(struct blitter_context_priv
*ctx
,
1719 int dst_x1
, int dst_y1
, int dst_x2
, int dst_y2
,
1720 struct pipe_sampler_view
*src
,
1721 unsigned src_width0
, unsigned src_height0
,
1722 int src_x1
, int src_y1
, int src_x2
, int src_y2
,
1723 float layer
, unsigned sample
,
1724 bool uses_txf
, enum blitter_attrib_type type
)
1726 union blitter_attrib coord
;
1727 blitter_get_vs_func get_vs
= get_vs_passthrough_pos_generic
;
1729 get_texcoords(src
, src_width0
, src_height0
,
1730 src_x1
, src_y1
, src_x2
, src_y2
, layer
, sample
,
1733 if (src
->target
== PIPE_TEXTURE_CUBE
||
1734 src
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
1735 float face_coord
[4][2];
1737 set_texcoords_in_vertices(&coord
, &face_coord
[0][0], 2);
1738 util_map_texcoords2d_onto_cubemap((unsigned)layer
% 6,
1739 /* pointer, stride in floats */
1740 &face_coord
[0][0], 2,
1741 &ctx
->vertices
[0][1][0], 8,
1743 for (unsigned i
= 0; i
< 4; i
++)
1744 ctx
->vertices
[i
][1][3] = coord
.texcoord
.w
;
1746 /* Cubemaps don't use draw_rectangle. */
1747 blitter_draw(ctx
, ctx
->velem_state
, get_vs
,
1748 dst_x1
, dst_y1
, dst_x2
, dst_y2
, 0, 1);
1750 ctx
->base
.draw_rectangle(&ctx
->base
, ctx
->velem_state
, get_vs
,
1751 dst_x1
, dst_y1
, dst_x2
, dst_y2
,
1752 0, 1, type
, &coord
);
1756 static void do_blits(struct blitter_context_priv
*ctx
,
1757 struct pipe_surface
*dst
,
1758 const struct pipe_box
*dstbox
,
1759 struct pipe_sampler_view
*src
,
1760 unsigned src_width0
,
1761 unsigned src_height0
,
1762 const struct pipe_box
*srcbox
,
1766 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1767 unsigned src_samples
= src
->texture
->nr_samples
;
1768 unsigned dst_samples
= dst
->texture
->nr_samples
;
1769 enum pipe_texture_target src_target
= src
->target
;
1770 struct pipe_framebuffer_state fb_state
= {0};
1772 /* Initialize framebuffer state. */
1773 fb_state
.width
= dst
->width
;
1774 fb_state
.height
= dst
->height
;
1775 fb_state
.nr_cbufs
= is_zsbuf
? 0 : 1;
1777 blitter_set_dst_dimensions(ctx
, fb_state
.width
, fb_state
.height
);
1779 if ((src_target
== PIPE_TEXTURE_1D
||
1780 src_target
== PIPE_TEXTURE_2D
||
1781 src_target
== PIPE_TEXTURE_RECT
) &&
1783 /* Set framebuffer state. */
1785 fb_state
.zsbuf
= dst
;
1787 fb_state
.cbufs
[0] = dst
;
1789 pipe
->set_framebuffer_state(pipe
, &fb_state
);
1792 pipe
->set_sample_mask(pipe
, ~0);
1793 blitter_draw_tex(ctx
, dstbox
->x
, dstbox
->y
,
1794 dstbox
->x
+ dstbox
->width
,
1795 dstbox
->y
+ dstbox
->height
,
1796 src
, src_width0
, src_height0
, srcbox
->x
, srcbox
->y
,
1797 srcbox
->x
+ srcbox
->width
, srcbox
->y
+ srcbox
->height
,
1798 0, 0, uses_txf
, UTIL_BLITTER_ATTRIB_TEXCOORD_XY
);
1800 /* Draw the quad with the generic codepath. */
1802 for (dst_z
= 0; dst_z
< dstbox
->depth
; dst_z
++) {
1803 struct pipe_surface
*old
;
1804 float dst2src_scale
= srcbox
->depth
/ (float)dstbox
->depth
;
1806 /* Scale Z properly if the blit is scaled.
1808 * When downscaling, we want the coordinates centered, so that
1809 * mipmapping works for 3D textures. For example, when generating
1810 * a 4x4x4 level, this wouldn't average the pixels:
1812 * src Z: 0 1 2 3 4 5 6 7
1815 * Because the pixels are not centered below the pixels of the higher
1816 * level. Therefore, we want this:
1817 * src Z: 0 1 2 3 4 5 6 7
1820 * dst_offset defines the offset needed for centering the pixels and
1821 * it works with any scaling (not just 2x).
1823 float dst_offset
= ((srcbox
->depth
- 1) -
1824 (dstbox
->depth
- 1) * dst2src_scale
) * 0.5;
1825 float src_z
= (dst_z
+ dst_offset
) * dst2src_scale
;
1827 /* Set framebuffer state. */
1829 fb_state
.zsbuf
= dst
;
1831 fb_state
.cbufs
[0] = dst
;
1833 pipe
->set_framebuffer_state(pipe
, &fb_state
);
1835 /* See if we need to blit a multisample or singlesample buffer. */
1836 if (src_samples
== dst_samples
&& dst_samples
> 1) {
1838 unsigned i
, max_sample
= dst_samples
- 1;
1840 for (i
= 0; i
<= max_sample
; i
++) {
1841 pipe
->set_sample_mask(pipe
, 1 << i
);
1842 blitter_draw_tex(ctx
, dstbox
->x
, dstbox
->y
,
1843 dstbox
->x
+ dstbox
->width
,
1844 dstbox
->y
+ dstbox
->height
,
1845 src
, src_width0
, src_height0
,
1846 srcbox
->x
, srcbox
->y
,
1847 srcbox
->x
+ srcbox
->width
,
1848 srcbox
->y
+ srcbox
->height
,
1849 srcbox
->z
+ src_z
, i
, uses_txf
,
1850 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
);
1853 /* Normal copy, MSAA upsampling, or MSAA resolve. */
1854 pipe
->set_sample_mask(pipe
, ~0);
1855 blitter_draw_tex(ctx
, dstbox
->x
, dstbox
->y
,
1856 dstbox
->x
+ dstbox
->width
,
1857 dstbox
->y
+ dstbox
->height
,
1858 src
, src_width0
, src_height0
,
1859 srcbox
->x
, srcbox
->y
,
1860 srcbox
->x
+ srcbox
->width
,
1861 srcbox
->y
+ srcbox
->height
,
1862 srcbox
->z
+ src_z
, 0, uses_txf
,
1863 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
);
1866 /* Get the next surface or (if this is the last iteration)
1867 * just unreference the last one. */
1869 if (dst_z
< dstbox
->depth
-1) {
1870 dst
= util_blitter_get_next_surface_layer(ctx
->base
.pipe
, dst
);
1873 pipe_surface_reference(&old
, NULL
);
1879 void util_blitter_blit_generic(struct blitter_context
*blitter
,
1880 struct pipe_surface
*dst
,
1881 const struct pipe_box
*dstbox
,
1882 struct pipe_sampler_view
*src
,
1883 const struct pipe_box
*srcbox
,
1884 unsigned src_width0
, unsigned src_height0
,
1885 unsigned mask
, unsigned filter
,
1886 const struct pipe_scissor_state
*scissor
,
1889 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1890 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1891 enum pipe_texture_target src_target
= src
->target
;
1892 unsigned src_samples
= src
->texture
->nr_samples
;
1893 unsigned dst_samples
= dst
->texture
->nr_samples
;
1894 void *sampler_state
;
1895 const struct util_format_description
*src_desc
=
1896 util_format_description(src
->format
);
1897 const struct util_format_description
*dst_desc
=
1898 util_format_description(dst
->format
);
1900 bool src_has_color
= src_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
;
1901 bool src_has_depth
= util_format_has_depth(src_desc
);
1902 bool src_has_stencil
= util_format_has_stencil(src_desc
);
1904 bool dst_has_color
= mask
& PIPE_MASK_RGBA
&&
1905 dst_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
;
1906 bool dst_has_depth
= mask
& PIPE_MASK_Z
&&
1907 util_format_has_depth(dst_desc
);
1908 bool dst_has_stencil
= ctx
->has_stencil_export
&&
1909 mask
& PIPE_MASK_S
&&
1910 util_format_has_stencil(dst_desc
);
1912 /* Return if there is nothing to do. */
1913 if (!dst_has_color
&& !dst_has_depth
&& !dst_has_stencil
) {
1917 bool is_scaled
= dstbox
->width
!= abs(srcbox
->width
) ||
1918 dstbox
->height
!= abs(srcbox
->height
);
1920 if (src_has_stencil
|| !is_scaled
)
1921 filter
= PIPE_TEX_FILTER_NEAREST
;
1923 bool use_txf
= false;
1925 /* Don't support scaled blits. The TXF shader uses F2I for rounding. */
1928 filter
== PIPE_TEX_FILTER_NEAREST
&&
1929 src
->target
!= PIPE_TEXTURE_CUBE
&&
1930 src
->target
!= PIPE_TEXTURE_CUBE_ARRAY
) {
1931 int src_width
= u_minify(src_width0
, src
->u
.tex
.first_level
);
1932 int src_height
= u_minify(src_height0
, src
->u
.tex
.first_level
);
1933 int src_depth
= src
->u
.tex
.last_layer
+ 1;
1934 struct pipe_box box
= *srcbox
;
1936 /* Eliminate negative width/height/depth. */
1937 if (box
.width
< 0) {
1941 if (box
.height
< 0) {
1942 box
.y
+= box
.height
;
1945 if (box
.depth
< 0) {
1950 /* See if srcbox is in bounds. TXF doesn't clamp the coordinates. */
1952 box
.x
>= 0 && box
.x
< src_width
&&
1953 box
.y
>= 0 && box
.y
< src_height
&&
1954 box
.z
>= 0 && box
.z
< src_depth
&&
1955 box
.x
+ box
.width
> 0 && box
.x
+ box
.width
<= src_width
&&
1956 box
.y
+ box
.height
> 0 && box
.y
+ box
.height
<= src_height
&&
1957 box
.z
+ box
.depth
> 0 && box
.z
+ box
.depth
<= src_depth
;
1960 /* Check whether the states are properly saved. */
1961 util_blitter_set_running_flag(blitter
);
1962 blitter_check_saved_vertex_states(ctx
);
1963 blitter_check_saved_fragment_states(ctx
);
1964 blitter_check_saved_textures(ctx
);
1965 blitter_check_saved_fb_state(ctx
);
1966 blitter_disable_render_cond(ctx
);
1968 /* Blend, DSA, fragment shader. */
1969 if (dst_has_depth
&& dst_has_stencil
) {
1970 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
1971 pipe
->bind_depth_stencil_alpha_state(pipe
,
1972 ctx
->dsa_write_depth_stencil
);
1973 if (src_has_color
) {
1975 ctx
->bind_fs_state(pipe
,
1976 blitter_get_fs_pack_color_zs(ctx
, src_target
,
1977 src_samples
, dst
->format
, false));
1979 ctx
->bind_fs_state(pipe
,
1980 blitter_get_fs_texfetch_depthstencil(ctx
, src_target
,
1981 src_samples
, use_txf
));
1983 } else if (dst_has_depth
) {
1984 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
1985 pipe
->bind_depth_stencil_alpha_state(pipe
,
1986 ctx
->dsa_write_depth_keep_stencil
);
1987 if (src_has_color
&&
1988 (src
->format
== PIPE_FORMAT_R32_UINT
||
1989 src
->format
== PIPE_FORMAT_R32G32_UINT
)) {
1991 ctx
->bind_fs_state(pipe
,
1992 blitter_get_fs_pack_color_zs(ctx
, src_target
,
1993 src_samples
, dst
->format
, false));
1995 ctx
->bind_fs_state(pipe
,
1996 blitter_get_fs_texfetch_depth(ctx
, src_target
,
1997 src_samples
, use_txf
));
1999 } else if (dst_has_stencil
) {
2000 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
2001 pipe
->bind_depth_stencil_alpha_state(pipe
,
2002 ctx
->dsa_keep_depth_write_stencil
);
2004 assert(src_has_stencil
); /* unpacking from color is unsupported */
2005 ctx
->bind_fs_state(pipe
,
2006 blitter_get_fs_texfetch_stencil(ctx
, src_target
,
2007 src_samples
, use_txf
));
2009 unsigned colormask
= mask
& PIPE_MASK_RGBA
;
2011 pipe
->bind_blend_state(pipe
, ctx
->blend
[colormask
][alpha_blend
]);
2012 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2014 if (src_has_depth
&&
2015 (dst
->format
== PIPE_FORMAT_R32_UINT
||
2016 dst
->format
== PIPE_FORMAT_R32G32_UINT
)) {
2018 ctx
->bind_fs_state(pipe
,
2019 blitter_get_fs_pack_color_zs(ctx
, src_target
,
2020 src_samples
, src
->format
, true));
2022 ctx
->bind_fs_state(pipe
,
2023 blitter_get_fs_texfetch_col(ctx
, src
->format
, dst
->format
, src_target
,
2024 src_samples
, dst_samples
, filter
,
2029 /* Set the linear filter only for scaled color non-MSAA blits. */
2030 if (filter
== PIPE_TEX_FILTER_LINEAR
) {
2031 if (src_target
== PIPE_TEXTURE_RECT
) {
2032 sampler_state
= ctx
->sampler_state_rect_linear
;
2034 sampler_state
= ctx
->sampler_state_linear
;
2037 if (src_target
== PIPE_TEXTURE_RECT
) {
2038 sampler_state
= ctx
->sampler_state_rect
;
2040 sampler_state
= ctx
->sampler_state
;
2045 if (src_has_depth
&& src_has_stencil
&&
2046 (dst_has_color
|| (dst_has_depth
&& dst_has_stencil
))) {
2047 /* Setup two samplers, one for depth and the other one for stencil. */
2048 struct pipe_sampler_view templ
;
2049 struct pipe_sampler_view
*views
[2];
2050 void *samplers
[2] = {sampler_state
, sampler_state
};
2053 templ
.format
= util_format_stencil_only(templ
.format
);
2054 assert(templ
.format
!= PIPE_FORMAT_NONE
);
2057 views
[1] = pipe
->create_sampler_view(pipe
, src
->texture
, &templ
);
2059 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 2, views
);
2060 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
, 0, 2, samplers
);
2062 pipe_sampler_view_reference(&views
[1], NULL
);
2063 } else if (src_has_stencil
&& dst_has_stencil
) {
2064 /* Set a stencil-only sampler view for it not to sample depth instead. */
2065 struct pipe_sampler_view templ
;
2066 struct pipe_sampler_view
*view
;
2069 templ
.format
= util_format_stencil_only(templ
.format
);
2070 assert(templ
.format
!= PIPE_FORMAT_NONE
);
2072 view
= pipe
->create_sampler_view(pipe
, src
->texture
, &templ
);
2074 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 1, &view
);
2075 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
,
2076 0, 1, &sampler_state
);
2078 pipe_sampler_view_reference(&view
, NULL
);
2080 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 1, &src
);
2081 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
,
2082 0, 1, &sampler_state
);
2086 pipe
->set_scissor_states(pipe
, 0, 1, scissor
);
2089 blitter_set_common_draw_rect_state(ctx
, scissor
!= NULL
, dst_samples
> 1);
2091 do_blits(ctx
, dst
, dstbox
, src
, src_width0
, src_height0
,
2092 srcbox
, dst_has_depth
|| dst_has_stencil
, use_txf
);
2094 util_blitter_restore_vertex_states(blitter
);
2095 util_blitter_restore_fragment_states(blitter
);
2096 util_blitter_restore_textures(blitter
);
2097 util_blitter_restore_fb_state(blitter
);
2099 pipe
->set_scissor_states(pipe
, 0, 1, &ctx
->base
.saved_scissor
);
2101 util_blitter_restore_render_cond(blitter
);
2102 util_blitter_unset_running_flag(blitter
);
2106 util_blitter_blit(struct blitter_context
*blitter
,
2107 const struct pipe_blit_info
*info
)
2109 struct pipe_resource
*dst
= info
->dst
.resource
;
2110 struct pipe_resource
*src
= info
->src
.resource
;
2111 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2112 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2113 struct pipe_surface
*dst_view
, dst_templ
;
2114 struct pipe_sampler_view src_templ
, *src_view
;
2116 /* Initialize the surface. */
2117 util_blitter_default_dst_texture(&dst_templ
, dst
, info
->dst
.level
,
2119 dst_templ
.format
= info
->dst
.format
;
2120 dst_view
= pipe
->create_surface(pipe
, dst
, &dst_templ
);
2122 /* Initialize the sampler view. */
2123 util_blitter_default_src_texture(blitter
, &src_templ
, src
, info
->src
.level
);
2124 src_templ
.format
= info
->src
.format
;
2125 src_view
= pipe
->create_sampler_view(pipe
, src
, &src_templ
);
2128 util_blitter_blit_generic(blitter
, dst_view
, &info
->dst
.box
,
2129 src_view
, &info
->src
.box
, src
->width0
, src
->height0
,
2130 info
->mask
, info
->filter
,
2131 info
->scissor_enable
? &info
->scissor
: NULL
,
2134 pipe_surface_reference(&dst_view
, NULL
);
2135 pipe_sampler_view_reference(&src_view
, NULL
);
2138 void util_blitter_generate_mipmap(struct blitter_context
*blitter
,
2139 struct pipe_resource
*tex
,
2140 enum pipe_format format
,
2141 unsigned base_level
, unsigned last_level
,
2142 unsigned first_layer
, unsigned last_layer
)
2144 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2145 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2146 struct pipe_surface dst_templ
, *dst_view
;
2147 struct pipe_sampler_view src_templ
, *src_view
;
2149 void *sampler_state
;
2150 const struct util_format_description
*desc
=
2151 util_format_description(format
);
2153 unsigned target
= tex
->target
;
2155 if (ctx
->cube_as_2darray
&&
2156 (target
== PIPE_TEXTURE_CUBE
|| target
== PIPE_TEXTURE_CUBE_ARRAY
))
2157 target
= PIPE_TEXTURE_2D_ARRAY
;
2159 assert(tex
->nr_samples
<= 1);
2160 /* Disallow stencil formats without depth. */
2161 assert(!util_format_has_stencil(desc
) || util_format_has_depth(desc
));
2163 is_depth
= desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
;
2165 /* Check whether the states are properly saved. */
2166 util_blitter_set_running_flag(blitter
);
2167 blitter_check_saved_vertex_states(ctx
);
2168 blitter_check_saved_fragment_states(ctx
);
2169 blitter_check_saved_textures(ctx
);
2170 blitter_check_saved_fb_state(ctx
);
2171 blitter_disable_render_cond(ctx
);
2175 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
2176 pipe
->bind_depth_stencil_alpha_state(pipe
,
2177 ctx
->dsa_write_depth_keep_stencil
);
2178 ctx
->bind_fs_state(pipe
,
2179 blitter_get_fs_texfetch_depth(ctx
, target
, 1, false));
2181 pipe
->bind_blend_state(pipe
, ctx
->blend
[PIPE_MASK_RGBA
][0]);
2182 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2183 ctx
->bind_fs_state(pipe
,
2184 blitter_get_fs_texfetch_col(ctx
, tex
->format
, tex
->format
, target
,
2185 1, 1, PIPE_TEX_FILTER_LINEAR
, false));
2188 if (target
== PIPE_TEXTURE_RECT
) {
2189 sampler_state
= ctx
->sampler_state_rect_linear
;
2191 sampler_state
= ctx
->sampler_state_linear
;
2193 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
,
2194 0, 1, &sampler_state
);
2196 blitter_set_common_draw_rect_state(ctx
, false, false);
2198 for (src_level
= base_level
; src_level
< last_level
; src_level
++) {
2199 struct pipe_box dstbox
= {0}, srcbox
= {0};
2200 unsigned dst_level
= src_level
+ 1;
2202 dstbox
.width
= u_minify(tex
->width0
, dst_level
);
2203 dstbox
.height
= u_minify(tex
->height0
, dst_level
);
2205 srcbox
.width
= u_minify(tex
->width0
, src_level
);
2206 srcbox
.height
= u_minify(tex
->height0
, src_level
);
2208 if (target
== PIPE_TEXTURE_3D
) {
2209 dstbox
.depth
= util_num_layers(tex
, dst_level
);
2210 srcbox
.depth
= util_num_layers(tex
, src_level
);
2212 dstbox
.z
= srcbox
.z
= first_layer
;
2213 dstbox
.depth
= srcbox
.depth
= last_layer
- first_layer
+ 1;
2216 /* Initialize the surface. */
2217 util_blitter_default_dst_texture(&dst_templ
, tex
, dst_level
,
2219 dst_templ
.format
= format
;
2220 dst_view
= pipe
->create_surface(pipe
, tex
, &dst_templ
);
2222 /* Initialize the sampler view. */
2223 util_blitter_default_src_texture(blitter
, &src_templ
, tex
, src_level
);
2224 src_templ
.format
= format
;
2225 src_view
= pipe
->create_sampler_view(pipe
, tex
, &src_templ
);
2227 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 1, &src_view
);
2229 do_blits(ctx
, dst_view
, &dstbox
, src_view
, tex
->width0
, tex
->height0
,
2230 &srcbox
, is_depth
, false);
2232 pipe_surface_reference(&dst_view
, NULL
);
2233 pipe_sampler_view_reference(&src_view
, NULL
);
2236 util_blitter_restore_vertex_states(blitter
);
2237 util_blitter_restore_fragment_states(blitter
);
2238 util_blitter_restore_textures(blitter
);
2239 util_blitter_restore_fb_state(blitter
);
2240 util_blitter_restore_render_cond(blitter
);
2241 util_blitter_unset_running_flag(blitter
);
2244 /* Clear a region of a color surface to a constant value. */
2245 void util_blitter_clear_render_target(struct blitter_context
*blitter
,
2246 struct pipe_surface
*dstsurf
,
2247 const union pipe_color_union
*color
,
2248 unsigned dstx
, unsigned dsty
,
2249 unsigned width
, unsigned height
)
2251 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2252 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2253 struct pipe_framebuffer_state fb_state
;
2255 unsigned num_layers
;
2257 assert(dstsurf
->texture
);
2258 if (!dstsurf
->texture
)
2261 /* check the saved state */
2262 util_blitter_set_running_flag(blitter
);
2263 blitter_check_saved_vertex_states(ctx
);
2264 blitter_check_saved_fragment_states(ctx
);
2265 blitter_check_saved_fb_state(ctx
);
2266 blitter_disable_render_cond(ctx
);
2269 pipe
->bind_blend_state(pipe
, ctx
->blend
[PIPE_MASK_RGBA
][0]);
2270 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2271 bind_fs_write_one_cbuf(ctx
);
2273 /* set a framebuffer state */
2274 fb_state
.width
= dstsurf
->width
;
2275 fb_state
.height
= dstsurf
->height
;
2276 fb_state
.nr_cbufs
= 1;
2277 fb_state
.cbufs
[0] = dstsurf
;
2279 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2280 pipe
->set_sample_mask(pipe
, ~0);
2281 msaa
= util_framebuffer_get_num_samples(&fb_state
) > 1;
2283 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2285 union blitter_attrib attrib
;
2286 memcpy(attrib
.color
, color
->ui
, sizeof(color
->ui
));
2288 num_layers
= dstsurf
->u
.tex
.last_layer
- dstsurf
->u
.tex
.first_layer
+ 1;
2289 if (num_layers
> 1 && ctx
->has_layered
) {
2290 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
2291 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_layered
,
2292 dstx
, dsty
, dstx
+width
, dsty
+height
, 0,
2293 num_layers
, UTIL_BLITTER_ATTRIB_COLOR
, &attrib
);
2295 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
2296 blitter
->draw_rectangle(blitter
, ctx
->velem_state
,
2297 get_vs_passthrough_pos_generic
,
2298 dstx
, dsty
, dstx
+width
, dsty
+height
, 0,
2299 1, UTIL_BLITTER_ATTRIB_COLOR
, &attrib
);
2302 util_blitter_restore_vertex_states(blitter
);
2303 util_blitter_restore_fragment_states(blitter
);
2304 util_blitter_restore_fb_state(blitter
);
2305 util_blitter_restore_render_cond(blitter
);
2306 util_blitter_unset_running_flag(blitter
);
2309 /* Clear a region of a depth stencil surface. */
2310 void util_blitter_clear_depth_stencil(struct blitter_context
*blitter
,
2311 struct pipe_surface
*dstsurf
,
2312 unsigned clear_flags
,
2315 unsigned dstx
, unsigned dsty
,
2316 unsigned width
, unsigned height
)
2318 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2319 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2320 struct pipe_framebuffer_state fb_state
;
2321 struct pipe_stencil_ref sr
= { { 0 } };
2322 unsigned num_layers
;
2324 assert(dstsurf
->texture
);
2325 if (!dstsurf
->texture
)
2328 /* check the saved state */
2329 util_blitter_set_running_flag(blitter
);
2330 blitter_check_saved_vertex_states(ctx
);
2331 blitter_check_saved_fragment_states(ctx
);
2332 blitter_check_saved_fb_state(ctx
);
2333 blitter_disable_render_cond(ctx
);
2336 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
2337 if ((clear_flags
& PIPE_CLEAR_DEPTHSTENCIL
) == PIPE_CLEAR_DEPTHSTENCIL
) {
2338 sr
.ref_value
[0] = stencil
& 0xff;
2339 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
2340 pipe
->set_stencil_ref(pipe
, &sr
);
2342 else if (clear_flags
& PIPE_CLEAR_DEPTH
) {
2343 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_keep_stencil
);
2345 else if (clear_flags
& PIPE_CLEAR_STENCIL
) {
2346 sr
.ref_value
[0] = stencil
& 0xff;
2347 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
2348 pipe
->set_stencil_ref(pipe
, &sr
);
2351 /* hmm that should be illegal probably, or make it a no-op somewhere */
2352 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2356 /* set a framebuffer state */
2357 fb_state
.width
= dstsurf
->width
;
2358 fb_state
.height
= dstsurf
->height
;
2359 fb_state
.nr_cbufs
= 0;
2360 fb_state
.cbufs
[0] = 0;
2361 fb_state
.zsbuf
= dstsurf
;
2362 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2363 pipe
->set_sample_mask(pipe
, ~0);
2365 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2367 num_layers
= dstsurf
->u
.tex
.last_layer
- dstsurf
->u
.tex
.first_layer
+ 1;
2368 if (num_layers
> 1 && ctx
->has_layered
) {
2369 blitter_set_common_draw_rect_state(ctx
, false, false);
2370 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_layered
,
2371 dstx
, dsty
, dstx
+width
, dsty
+height
, depth
,
2372 num_layers
, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2374 blitter_set_common_draw_rect_state(ctx
, false, false);
2375 blitter
->draw_rectangle(blitter
, ctx
->velem_state
,
2376 get_vs_passthrough_pos
,
2377 dstx
, dsty
, dstx
+width
, dsty
+height
, depth
, 1,
2378 UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2381 util_blitter_restore_vertex_states(blitter
);
2382 util_blitter_restore_fragment_states(blitter
);
2383 util_blitter_restore_fb_state(blitter
);
2384 util_blitter_restore_render_cond(blitter
);
2385 util_blitter_unset_running_flag(blitter
);
2388 /* draw a rectangle across a region using a custom dsa stage - for r600g */
2389 void util_blitter_custom_depth_stencil(struct blitter_context
*blitter
,
2390 struct pipe_surface
*zsurf
,
2391 struct pipe_surface
*cbsurf
,
2392 unsigned sample_mask
,
2393 void *dsa_stage
, float depth
)
2395 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2396 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2397 struct pipe_framebuffer_state fb_state
;
2399 assert(zsurf
->texture
);
2400 if (!zsurf
->texture
)
2403 /* check the saved state */
2404 util_blitter_set_running_flag(blitter
);
2405 blitter_check_saved_vertex_states(ctx
);
2406 blitter_check_saved_fragment_states(ctx
);
2407 blitter_check_saved_fb_state(ctx
);
2408 blitter_disable_render_cond(ctx
);
2411 pipe
->bind_blend_state(pipe
, cbsurf
? ctx
->blend
[PIPE_MASK_RGBA
][0] :
2413 pipe
->bind_depth_stencil_alpha_state(pipe
, dsa_stage
);
2415 bind_fs_write_one_cbuf(ctx
);
2419 /* set a framebuffer state */
2420 fb_state
.width
= zsurf
->width
;
2421 fb_state
.height
= zsurf
->height
;
2422 fb_state
.nr_cbufs
= 1;
2424 fb_state
.cbufs
[0] = cbsurf
;
2425 fb_state
.nr_cbufs
= 1;
2427 fb_state
.cbufs
[0] = NULL
;
2428 fb_state
.nr_cbufs
= 0;
2430 fb_state
.zsbuf
= zsurf
;
2431 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2432 pipe
->set_sample_mask(pipe
, sample_mask
);
2434 blitter_set_common_draw_rect_state(ctx
, false,
2435 util_framebuffer_get_num_samples(&fb_state
) > 1);
2436 blitter_set_dst_dimensions(ctx
, zsurf
->width
, zsurf
->height
);
2437 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_passthrough_pos
,
2438 0, 0, zsurf
->width
, zsurf
->height
, depth
,
2439 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2441 util_blitter_restore_vertex_states(blitter
);
2442 util_blitter_restore_fragment_states(blitter
);
2443 util_blitter_restore_fb_state(blitter
);
2444 util_blitter_restore_render_cond(blitter
);
2445 util_blitter_unset_running_flag(blitter
);
2448 void util_blitter_copy_buffer(struct blitter_context
*blitter
,
2449 struct pipe_resource
*dst
,
2451 struct pipe_resource
*src
,
2455 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2456 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2457 struct pipe_vertex_buffer vb
;
2458 struct pipe_stream_output_target
*so_target
;
2459 unsigned offsets
[PIPE_MAX_SO_BUFFERS
] = {0};
2461 if (srcx
>= src
->width0
||
2462 dstx
>= dst
->width0
) {
2465 if (srcx
+ size
> src
->width0
) {
2466 size
= src
->width0
- srcx
;
2468 if (dstx
+ size
> dst
->width0
) {
2469 size
= dst
->width0
- dstx
;
2472 /* Drivers not capable of Stream Out should not call this function
2473 * in the first place. */
2474 assert(ctx
->has_stream_out
);
2476 /* Some alignment is required. */
2477 if (srcx
% 4 != 0 || dstx
% 4 != 0 || size
% 4 != 0 ||
2478 !ctx
->has_stream_out
) {
2479 struct pipe_box box
;
2480 u_box_1d(srcx
, size
, &box
);
2481 util_resource_copy_region(pipe
, dst
, 0, dstx
, 0, 0, src
, 0, &box
);
2485 util_blitter_set_running_flag(blitter
);
2486 blitter_check_saved_vertex_states(ctx
);
2487 blitter_disable_render_cond(ctx
);
2489 vb
.is_user_buffer
= false;
2490 vb
.buffer
.resource
= src
;
2491 vb
.buffer_offset
= srcx
;
2494 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1, &vb
);
2495 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state_readbuf
[0]);
2496 bind_vs_pos_only(ctx
, 1);
2497 if (ctx
->has_geometry_shader
)
2498 pipe
->bind_gs_state(pipe
, NULL
);
2499 if (ctx
->has_tessellation
) {
2500 pipe
->bind_tcs_state(pipe
, NULL
);
2501 pipe
->bind_tes_state(pipe
, NULL
);
2503 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_discard_state
);
2505 so_target
= pipe
->create_stream_output_target(pipe
, dst
, dstx
, size
);
2506 pipe
->set_stream_output_targets(pipe
, 1, &so_target
, offsets
);
2508 util_draw_arrays(pipe
, PIPE_PRIM_POINTS
, 0, size
/ 4);
2510 util_blitter_restore_vertex_states(blitter
);
2511 util_blitter_restore_render_cond(blitter
);
2512 util_blitter_unset_running_flag(blitter
);
2513 pipe_so_target_reference(&so_target
, NULL
);
2516 void util_blitter_clear_buffer(struct blitter_context
*blitter
,
2517 struct pipe_resource
*dst
,
2518 unsigned offset
, unsigned size
,
2519 unsigned num_channels
,
2520 const union pipe_color_union
*clear_value
)
2522 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2523 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2524 struct pipe_vertex_buffer vb
= {0};
2525 struct pipe_stream_output_target
*so_target
= NULL
;
2526 unsigned offsets
[PIPE_MAX_SO_BUFFERS
] = {0};
2528 assert(num_channels
>= 1);
2529 assert(num_channels
<= 4);
2531 /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE!
2533 * R600 uses this to initialize texture resources, so width0 might not be
2534 * what you think it is.
2537 /* Streamout is required. */
2538 if (!ctx
->has_stream_out
) {
2539 assert(!"Streamout unsupported in util_blitter_clear_buffer()");
2543 /* Some alignment is required. */
2544 if (offset
% 4 != 0 || size
% 4 != 0) {
2545 assert(!"Bad alignment in util_blitter_clear_buffer()");
2549 u_upload_data(pipe
->stream_uploader
, 0, num_channels
*4, 4, clear_value
,
2550 &vb
.buffer_offset
, &vb
.buffer
.resource
);
2551 if (!vb
.buffer
.resource
)
2556 util_blitter_set_running_flag(blitter
);
2557 blitter_check_saved_vertex_states(ctx
);
2558 blitter_disable_render_cond(ctx
);
2560 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1, &vb
);
2561 pipe
->bind_vertex_elements_state(pipe
,
2562 ctx
->velem_state_readbuf
[num_channels
-1]);
2563 bind_vs_pos_only(ctx
, num_channels
);
2564 if (ctx
->has_geometry_shader
)
2565 pipe
->bind_gs_state(pipe
, NULL
);
2566 if (ctx
->has_tessellation
) {
2567 pipe
->bind_tcs_state(pipe
, NULL
);
2568 pipe
->bind_tes_state(pipe
, NULL
);
2570 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_discard_state
);
2572 so_target
= pipe
->create_stream_output_target(pipe
, dst
, offset
, size
);
2573 pipe
->set_stream_output_targets(pipe
, 1, &so_target
, offsets
);
2575 util_draw_arrays(pipe
, PIPE_PRIM_POINTS
, 0, size
/ 4);
2578 util_blitter_restore_vertex_states(blitter
);
2579 util_blitter_restore_render_cond(blitter
);
2580 util_blitter_unset_running_flag(blitter
);
2581 pipe_so_target_reference(&so_target
, NULL
);
2582 pipe_resource_reference(&vb
.buffer
.resource
, NULL
);
2585 /* probably radeon specific */
2586 void util_blitter_custom_resolve_color(struct blitter_context
*blitter
,
2587 struct pipe_resource
*dst
,
2590 struct pipe_resource
*src
,
2592 unsigned sample_mask
,
2594 enum pipe_format format
)
2596 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2597 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2598 struct pipe_framebuffer_state fb_state
;
2599 struct pipe_surface
*srcsurf
, *dstsurf
, surf_tmpl
;
2601 util_blitter_set_running_flag(blitter
);
2602 blitter_check_saved_vertex_states(ctx
);
2603 blitter_check_saved_fragment_states(ctx
);
2604 blitter_disable_render_cond(ctx
);
2607 pipe
->bind_blend_state(pipe
, custom_blend
);
2608 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2609 bind_fs_write_one_cbuf(ctx
);
2610 pipe
->set_sample_mask(pipe
, sample_mask
);
2612 memset(&surf_tmpl
, 0, sizeof(surf_tmpl
));
2613 surf_tmpl
.format
= format
;
2614 surf_tmpl
.u
.tex
.level
= dst_level
;
2615 surf_tmpl
.u
.tex
.first_layer
= dst_layer
;
2616 surf_tmpl
.u
.tex
.last_layer
= dst_layer
;
2618 dstsurf
= pipe
->create_surface(pipe
, dst
, &surf_tmpl
);
2620 surf_tmpl
.u
.tex
.level
= 0;
2621 surf_tmpl
.u
.tex
.first_layer
= src_layer
;
2622 surf_tmpl
.u
.tex
.last_layer
= src_layer
;
2624 srcsurf
= pipe
->create_surface(pipe
, src
, &surf_tmpl
);
2626 /* set a framebuffer state */
2627 fb_state
.width
= src
->width0
;
2628 fb_state
.height
= src
->height0
;
2629 fb_state
.nr_cbufs
= 2;
2630 fb_state
.cbufs
[0] = srcsurf
;
2631 fb_state
.cbufs
[1] = dstsurf
;
2632 fb_state
.zsbuf
= NULL
;
2633 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2635 blitter_set_common_draw_rect_state(ctx
, false,
2636 util_framebuffer_get_num_samples(&fb_state
) > 1);
2637 blitter_set_dst_dimensions(ctx
, src
->width0
, src
->height0
);
2638 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_passthrough_pos
,
2639 0, 0, src
->width0
, src
->height0
,
2640 0, 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2641 util_blitter_restore_fb_state(blitter
);
2642 util_blitter_restore_vertex_states(blitter
);
2643 util_blitter_restore_fragment_states(blitter
);
2644 util_blitter_restore_render_cond(blitter
);
2645 util_blitter_unset_running_flag(blitter
);
2647 pipe_surface_reference(&srcsurf
, NULL
);
2648 pipe_surface_reference(&dstsurf
, NULL
);
2651 void util_blitter_custom_color(struct blitter_context
*blitter
,
2652 struct pipe_surface
*dstsurf
,
2655 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2656 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2657 struct pipe_framebuffer_state fb_state
;
2659 assert(dstsurf
->texture
);
2660 if (!dstsurf
->texture
)
2663 /* check the saved state */
2664 util_blitter_set_running_flag(blitter
);
2665 blitter_check_saved_vertex_states(ctx
);
2666 blitter_check_saved_fragment_states(ctx
);
2667 blitter_check_saved_fb_state(ctx
);
2668 blitter_disable_render_cond(ctx
);
2671 pipe
->bind_blend_state(pipe
, custom_blend
? custom_blend
2672 : ctx
->blend
[PIPE_MASK_RGBA
][0]);
2673 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2674 bind_fs_write_one_cbuf(ctx
);
2675 pipe
->set_sample_mask(pipe
, (1ull << MAX2(1, dstsurf
->texture
->nr_samples
)) - 1);
2677 /* set a framebuffer state */
2678 fb_state
.width
= dstsurf
->width
;
2679 fb_state
.height
= dstsurf
->height
;
2680 fb_state
.nr_cbufs
= 1;
2681 fb_state
.cbufs
[0] = dstsurf
;
2683 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2684 pipe
->set_sample_mask(pipe
, ~0);
2686 blitter_set_common_draw_rect_state(ctx
, false,
2687 util_framebuffer_get_num_samples(&fb_state
) > 1);
2688 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2689 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_passthrough_pos
,
2690 0, 0, dstsurf
->width
, dstsurf
->height
,
2691 0, 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2693 util_blitter_restore_vertex_states(blitter
);
2694 util_blitter_restore_fragment_states(blitter
);
2695 util_blitter_restore_fb_state(blitter
);
2696 util_blitter_restore_render_cond(blitter
);
2697 util_blitter_unset_running_flag(blitter
);
2700 static void *get_custom_vs(struct blitter_context
*blitter
)
2702 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2704 return ctx
->custom_vs
;
2708 * Performs a custom blit to the destination surface, using the VS and FS
2711 * Used by vc4 for the 8-bit linear-to-tiled blit.
2713 void util_blitter_custom_shader(struct blitter_context
*blitter
,
2714 struct pipe_surface
*dstsurf
,
2715 void *custom_vs
, void *custom_fs
)
2717 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2718 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2719 struct pipe_framebuffer_state fb_state
;
2721 ctx
->custom_vs
= custom_vs
;
2723 assert(dstsurf
->texture
);
2724 if (!dstsurf
->texture
)
2727 /* check the saved state */
2728 util_blitter_set_running_flag(blitter
);
2729 blitter_check_saved_vertex_states(ctx
);
2730 blitter_check_saved_fragment_states(ctx
);
2731 blitter_check_saved_fb_state(ctx
);
2732 blitter_disable_render_cond(ctx
);
2735 pipe
->bind_blend_state(pipe
, ctx
->blend
[PIPE_MASK_RGBA
][0]);
2736 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2737 pipe
->bind_fs_state(pipe
, custom_fs
);
2738 pipe
->set_sample_mask(pipe
, (1ull << MAX2(1, dstsurf
->texture
->nr_samples
)) - 1);
2740 /* set a framebuffer state */
2741 fb_state
.width
= dstsurf
->width
;
2742 fb_state
.height
= dstsurf
->height
;
2743 fb_state
.nr_cbufs
= 1;
2744 fb_state
.cbufs
[0] = dstsurf
;
2746 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2747 pipe
->set_sample_mask(pipe
, ~0);
2749 blitter_set_common_draw_rect_state(ctx
, false,
2750 util_framebuffer_get_num_samples(&fb_state
) > 1);
2751 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2752 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_custom_vs
,
2753 0, 0, dstsurf
->width
, dstsurf
->height
,
2754 0, 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2756 util_blitter_restore_vertex_states(blitter
);
2757 util_blitter_restore_fragment_states(blitter
);
2758 util_blitter_restore_fb_state(blitter
);
2759 util_blitter_restore_render_cond(blitter
);
2760 util_blitter_unset_running_flag(blitter
);