1 /**************************************************************************
2 *
3 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
4 *
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:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
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.
24 *
25 **************************************************************************/
26
27 /**
28 * @file
29 * Blitter utility to facilitate acceleration of the clear, clear_render_target,
30 * clear_depth_stencil, resource_copy_region, and blit functions.
31 *
32 * @author Marek Olšák
33 */
34
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"
40
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"
51
52 #define INVALID_PTR ((void*)~0)
53
54 #define GET_CLEAR_BLEND_STATE_IDX(clear_buffers) \
55 ((clear_buffers) / PIPE_CLEAR_COLOR0)
56
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)
59
60 struct blitter_context_priv
61 {
62 struct blitter_context base;
63
64 float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */
65
66 /* Templates for various state objects. */
67
68 /* Constant state objects. */
69 /* Vertex shaders. */
70 void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/
71 void *vs_nogeneric;
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. */
75
76 /* Fragment shaders. */
77 void *fs_empty;
78 void *fs_write_one_cbuf;
79 void *fs_write_all_cbufs;
80
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.
85 */
86 void *fs_texfetch_col[5][PIPE_MAX_TEXTURE_TYPES][2];
87
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.
91 */
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];
95
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];
101
102 /* FS which outputs an average of all samples. */
103 void *fs_resolve[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2];
104
105 /* Blend state. */
106 void *blend[PIPE_MASK_RGBA+1][2]; /**< blend state with writemask */
107 void *blend_clear[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR)+1];
108
109 /* Depth stencil alpha state. */
110 void *dsa_write_depth_stencil;
111 void *dsa_write_depth_keep_stencil;
112 void *dsa_keep_depth_stencil;
113 void *dsa_keep_depth_write_stencil;
114
115 /* Vertex elements states. */
116 void *velem_state;
117 void *velem_state_readbuf[4]; /**< X, XY, XYZ, XYZW */
118
119 /* Sampler state. */
120 void *sampler_state;
121 void *sampler_state_linear;
122 void *sampler_state_rect;
123 void *sampler_state_rect_linear;
124
125 /* Rasterizer state. */
126 void *rs_state, *rs_state_scissor, *rs_discard_state;
127
128 /* Destination surface dimensions. */
129 unsigned dst_width;
130 unsigned dst_height;
131
132 bool has_geometry_shader;
133 bool has_tessellation;
134 bool has_layered;
135 bool has_stream_out;
136 bool has_stencil_export;
137 bool has_texture_multisample;
138 bool has_tex_lz;
139 bool has_txf;
140 bool cube_as_2darray;
141 bool cached_all_shaders;
142
143 /* The Draw module overrides these functions.
144 * Always create the blitter before Draw. */
145 void (*bind_fs_state)(struct pipe_context *, void *);
146 void (*delete_fs_state)(struct pipe_context *, void *);
147 };
148
util_blitter_create(struct pipe_context * pipe)149 struct blitter_context *util_blitter_create(struct pipe_context *pipe)
150 {
151 struct blitter_context_priv *ctx;
152 struct pipe_blend_state blend;
153 struct pipe_depth_stencil_alpha_state dsa;
154 struct pipe_rasterizer_state rs_state;
155 struct pipe_sampler_state sampler_state;
156 struct pipe_vertex_element velem[2];
157 unsigned i, j;
158
159 ctx = CALLOC_STRUCT(blitter_context_priv);
160 if (!ctx)
161 return NULL;
162
163 ctx->base.pipe = pipe;
164 ctx->base.draw_rectangle = util_blitter_draw_rectangle;
165
166 ctx->bind_fs_state = pipe->bind_fs_state;
167 ctx->delete_fs_state = pipe->delete_fs_state;
168
169 /* init state objects for them to be considered invalid */
170 ctx->base.saved_blend_state = INVALID_PTR;
171 ctx->base.saved_dsa_state = INVALID_PTR;
172 ctx->base.saved_rs_state = INVALID_PTR;
173 ctx->base.saved_fs = INVALID_PTR;
174 ctx->base.saved_vs = INVALID_PTR;
175 ctx->base.saved_gs = INVALID_PTR;
176 ctx->base.saved_velem_state = INVALID_PTR;
177 ctx->base.saved_fb_state.nr_cbufs = ~0;
178 ctx->base.saved_num_sampler_views = ~0;
179 ctx->base.saved_num_sampler_states = ~0;
180 ctx->base.saved_num_so_targets = ~0;
181
182 ctx->has_geometry_shader =
183 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY,
184 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0;
185
186 ctx->has_tessellation =
187 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_TESS_CTRL,
188 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0;
189
190 ctx->has_stream_out =
191 pipe->screen->get_param(pipe->screen,
192 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0;
193
194 ctx->has_stencil_export =
195 pipe->screen->get_param(pipe->screen,
196 PIPE_CAP_SHADER_STENCIL_EXPORT);
197
198 ctx->has_texture_multisample =
199 pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE);
200
201 ctx->has_tex_lz = pipe->screen->get_param(pipe->screen,
202 PIPE_CAP_TGSI_TEX_TXF_LZ);
203 ctx->has_txf = pipe->screen->get_param(pipe->screen,
204 PIPE_CAP_GLSL_FEATURE_LEVEL) > 130;
205 ctx->cube_as_2darray = pipe->screen->get_param(pipe->screen,
206 PIPE_CAP_SAMPLER_VIEW_TARGET);
207
208 /* blend state objects */
209 memset(&blend, 0, sizeof(blend));
210
211 for (i = 0; i <= PIPE_MASK_RGBA; i++) {
212 for (j = 0; j < 2; j++) {
213 memset(&blend.rt[0], 0, sizeof(blend.rt[0]));
214 blend.rt[0].colormask = i;
215 if (j) {
216 blend.rt[0].blend_enable = 1;
217 blend.rt[0].rgb_func = PIPE_BLEND_ADD;
218 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
219 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
220 blend.rt[0].alpha_func = PIPE_BLEND_ADD;
221 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
222 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
223 }
224 ctx->blend[i][j] = pipe->create_blend_state(pipe, &blend);
225 }
226 }
227
228 /* depth stencil alpha state objects */
229 memset(&dsa, 0, sizeof(dsa));
230 ctx->dsa_keep_depth_stencil =
231 pipe->create_depth_stencil_alpha_state(pipe, &dsa);
232
233 dsa.depth.enabled = 1;
234 dsa.depth.writemask = 1;
235 dsa.depth.func = PIPE_FUNC_ALWAYS;
236 ctx->dsa_write_depth_keep_stencil =
237 pipe->create_depth_stencil_alpha_state(pipe, &dsa);
238
239 dsa.stencil[0].enabled = 1;
240 dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
241 dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
242 dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
243 dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
244 dsa.stencil[0].valuemask = 0xff;
245 dsa.stencil[0].writemask = 0xff;
246 ctx->dsa_write_depth_stencil =
247 pipe->create_depth_stencil_alpha_state(pipe, &dsa);
248
249 dsa.depth.enabled = 0;
250 dsa.depth.writemask = 0;
251 ctx->dsa_keep_depth_write_stencil =
252 pipe->create_depth_stencil_alpha_state(pipe, &dsa);
253
254 /* sampler state */
255 memset(&sampler_state, 0, sizeof(sampler_state));
256 sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
257 sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
258 sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
259 sampler_state.normalized_coords = 1;
260 ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state);
261 sampler_state.normalized_coords = 0;
262 ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state);
263
264 sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR;
265 sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
266 sampler_state.normalized_coords = 1;
267 ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state);
268 sampler_state.normalized_coords = 0;
269 ctx->sampler_state_rect_linear = pipe->create_sampler_state(pipe, &sampler_state);
270
271 /* rasterizer state */
272 memset(&rs_state, 0, sizeof(rs_state));
273 rs_state.cull_face = PIPE_FACE_NONE;
274 rs_state.half_pixel_center = 1;
275 rs_state.bottom_edge_rule = 1;
276 rs_state.flatshade = 1;
277 rs_state.depth_clip = 1;
278 ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
279
280 rs_state.scissor = 1;
281 ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state);
282
283 if (ctx->has_stream_out) {
284 rs_state.scissor = 0;
285 rs_state.rasterizer_discard = 1;
286 ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state);
287 }
288
289 ctx->base.cb_slot = 0; /* 0 for now */
290 ctx->base.vb_slot = 0; /* 0 for now */
291
292 /* vertex elements states */
293 memset(&velem[0], 0, sizeof(velem[0]) * 2);
294 for (i = 0; i < 2; i++) {
295 velem[i].src_offset = i * 4 * sizeof(float);
296 velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
297 velem[i].vertex_buffer_index = ctx->base.vb_slot;
298 }
299 ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]);
300
301 if (ctx->has_stream_out) {
302 static enum pipe_format formats[4] = {
303 PIPE_FORMAT_R32_UINT,
304 PIPE_FORMAT_R32G32_UINT,
305 PIPE_FORMAT_R32G32B32_UINT,
306 PIPE_FORMAT_R32G32B32A32_UINT
307 };
308
309 for (i = 0; i < 4; i++) {
310 velem[0].src_format = formats[i];
311 velem[0].vertex_buffer_index = ctx->base.vb_slot;
312 ctx->velem_state_readbuf[i] =
313 pipe->create_vertex_elements_state(pipe, 1, &velem[0]);
314 }
315 }
316
317 ctx->has_layered =
318 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) &&
319 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT);
320
321 /* set invariant vertex coordinates */
322 for (i = 0; i < 4; i++)
323 ctx->vertices[i][0][3] = 1; /*v.w*/
324
325 return &ctx->base;
326 }
327
bind_vs_pos_only(struct blitter_context_priv * ctx,unsigned num_so_channels)328 static void bind_vs_pos_only(struct blitter_context_priv *ctx,
329 unsigned num_so_channels)
330 {
331 struct pipe_context *pipe = ctx->base.pipe;
332 int index = num_so_channels ? num_so_channels - 1 : 0;
333
334 if (!ctx->vs_pos_only[index]) {
335 struct pipe_stream_output_info so;
336 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION };
337 const uint semantic_indices[] = { 0 };
338
339 memset(&so, 0, sizeof(so));
340 so.num_outputs = 1;
341 so.output[0].num_components = num_so_channels;
342 so.stride[0] = num_so_channels;
343
344 ctx->vs_pos_only[index] =
345 util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names,
346 semantic_indices, false,
347 false, &so);
348 }
349
350 pipe->bind_vs_state(pipe, ctx->vs_pos_only[index]);
351 }
352
get_vs_passthrough_pos_generic(struct blitter_context * blitter)353 static void *get_vs_passthrough_pos_generic(struct blitter_context *blitter)
354 {
355 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
356 struct pipe_context *pipe = ctx->base.pipe;
357
358 if (!ctx->vs) {
359 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
360 TGSI_SEMANTIC_GENERIC };
361 const uint semantic_indices[] = { 0, 0 };
362 ctx->vs =
363 util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
364 semantic_indices, false);
365 }
366 return ctx->vs;
367 }
368
get_vs_passthrough_pos(struct blitter_context * blitter)369 static void *get_vs_passthrough_pos(struct blitter_context *blitter)
370 {
371 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
372 struct pipe_context *pipe = ctx->base.pipe;
373
374 if (!ctx->vs_nogeneric) {
375 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION };
376 const uint semantic_indices[] = { 0 };
377
378 ctx->vs_nogeneric =
379 util_make_vertex_passthrough_shader(pipe, 1,
380 semantic_names,
381 semantic_indices, false);
382 }
383 return ctx->vs_nogeneric;
384 }
385
get_vs_layered(struct blitter_context * blitter)386 static void *get_vs_layered(struct blitter_context *blitter)
387 {
388 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
389 struct pipe_context *pipe = ctx->base.pipe;
390
391 if (!ctx->vs_layered) {
392 ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe);
393 }
394 return ctx->vs_layered;
395 }
396
bind_fs_empty(struct blitter_context_priv * ctx)397 static void bind_fs_empty(struct blitter_context_priv *ctx)
398 {
399 struct pipe_context *pipe = ctx->base.pipe;
400
401 if (!ctx->fs_empty) {
402 assert(!ctx->cached_all_shaders);
403 ctx->fs_empty = util_make_empty_fragment_shader(pipe);
404 }
405
406 ctx->bind_fs_state(pipe, ctx->fs_empty);
407 }
408
bind_fs_write_one_cbuf(struct blitter_context_priv * ctx)409 static void bind_fs_write_one_cbuf(struct blitter_context_priv *ctx)
410 {
411 struct pipe_context *pipe = ctx->base.pipe;
412
413 if (!ctx->fs_write_one_cbuf) {
414 assert(!ctx->cached_all_shaders);
415 ctx->fs_write_one_cbuf =
416 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
417 TGSI_INTERPOLATE_CONSTANT, false);
418 }
419
420 ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf);
421 }
422
bind_fs_write_all_cbufs(struct blitter_context_priv * ctx)423 static void bind_fs_write_all_cbufs(struct blitter_context_priv *ctx)
424 {
425 struct pipe_context *pipe = ctx->base.pipe;
426
427 if (!ctx->fs_write_all_cbufs) {
428 assert(!ctx->cached_all_shaders);
429 ctx->fs_write_all_cbufs =
430 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
431 TGSI_INTERPOLATE_CONSTANT, true);
432 }
433
434 ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs);
435 }
436
util_blitter_destroy(struct blitter_context * blitter)437 void util_blitter_destroy(struct blitter_context *blitter)
438 {
439 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
440 struct pipe_context *pipe = blitter->pipe;
441 unsigned i, j, f;
442
443 for (i = 0; i <= PIPE_MASK_RGBA; i++)
444 for (j = 0; j < 2; j++)
445 pipe->delete_blend_state(pipe, ctx->blend[i][j]);
446
447 for (i = 0; i < ARRAY_SIZE(ctx->blend_clear); i++) {
448 if (ctx->blend_clear[i])
449 pipe->delete_blend_state(pipe, ctx->blend_clear[i]);
450 }
451 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
452 pipe->delete_depth_stencil_alpha_state(pipe,
453 ctx->dsa_write_depth_keep_stencil);
454 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
455 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
456
457 pipe->delete_rasterizer_state(pipe, ctx->rs_state);
458 pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor);
459 if (ctx->rs_discard_state)
460 pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state);
461 if (ctx->vs)
462 pipe->delete_vs_state(pipe, ctx->vs);
463 if (ctx->vs_nogeneric)
464 pipe->delete_vs_state(pipe, ctx->vs_nogeneric);
465 for (i = 0; i < 4; i++)
466 if (ctx->vs_pos_only[i])
467 pipe->delete_vs_state(pipe, ctx->vs_pos_only[i]);
468 if (ctx->vs_layered)
469 pipe->delete_vs_state(pipe, ctx->vs_layered);
470 pipe->delete_vertex_elements_state(pipe, ctx->velem_state);
471 for (i = 0; i < 4; i++) {
472 if (ctx->velem_state_readbuf[i]) {
473 pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]);
474 }
475 }
476
477 for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) {
478 for (unsigned type = 0; type < ARRAY_SIZE(ctx->fs_texfetch_col); ++type) {
479 for (unsigned inst = 0; inst < 2; inst++) {
480 if (ctx->fs_texfetch_col[type][i][inst])
481 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[type][i][inst]);
482 }
483 if (ctx->fs_texfetch_col_msaa[type][i])
484 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa[type][i]);
485 }
486
487 for (unsigned inst = 0; inst < 2; inst++) {
488 if (ctx->fs_texfetch_depth[i][inst])
489 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i][inst]);
490 if (ctx->fs_texfetch_depthstencil[i][inst])
491 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i][inst]);
492 if (ctx->fs_texfetch_stencil[i][inst])
493 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i][inst]);
494 }
495
496 if (ctx->fs_texfetch_depth_msaa[i])
497 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth_msaa[i]);
498 if (ctx->fs_texfetch_depthstencil_msaa[i])
499 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil_msaa[i]);
500 if (ctx->fs_texfetch_stencil_msaa[i])
501 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil_msaa[i]);
502
503 for (j = 0; j< ARRAY_SIZE(ctx->fs_resolve[i]); j++)
504 for (f = 0; f < 2; f++)
505 if (ctx->fs_resolve[i][j][f])
506 ctx->delete_fs_state(pipe, ctx->fs_resolve[i][j][f]);
507 }
508
509 if (ctx->fs_empty)
510 ctx->delete_fs_state(pipe, ctx->fs_empty);
511 if (ctx->fs_write_one_cbuf)
512 ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf);
513 if (ctx->fs_write_all_cbufs)
514 ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs);
515
516 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear);
517 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect);
518 pipe->delete_sampler_state(pipe, ctx->sampler_state_linear);
519 pipe->delete_sampler_state(pipe, ctx->sampler_state);
520 FREE(ctx);
521 }
522
util_blitter_set_texture_multisample(struct blitter_context * blitter,bool supported)523 void util_blitter_set_texture_multisample(struct blitter_context *blitter,
524 bool supported)
525 {
526 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
527
528 ctx->has_texture_multisample = supported;
529 }
530
util_blitter_set_running_flag(struct blitter_context * blitter)531 void util_blitter_set_running_flag(struct blitter_context *blitter)
532 {
533 if (blitter->running) {
534 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
535 __LINE__);
536 }
537 blitter->running = true;
538
539 blitter->pipe->set_active_query_state(blitter->pipe, false);
540 }
541
util_blitter_unset_running_flag(struct blitter_context * blitter)542 void util_blitter_unset_running_flag(struct blitter_context *blitter)
543 {
544 if (!blitter->running) {
545 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
546 __LINE__);
547 }
548 blitter->running = false;
549
550 blitter->pipe->set_active_query_state(blitter->pipe, true);
551 }
552
blitter_check_saved_vertex_states(MAYBE_UNUSED struct blitter_context_priv * ctx)553 static void blitter_check_saved_vertex_states(MAYBE_UNUSED struct blitter_context_priv *ctx)
554 {
555 assert(ctx->base.saved_vs != INVALID_PTR);
556 assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR);
557 assert(!ctx->has_tessellation || ctx->base.saved_tcs != INVALID_PTR);
558 assert(!ctx->has_tessellation || ctx->base.saved_tes != INVALID_PTR);
559 assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0u);
560 assert(ctx->base.saved_rs_state != INVALID_PTR);
561 }
562
util_blitter_restore_vertex_states(struct blitter_context * blitter)563 void util_blitter_restore_vertex_states(struct blitter_context *blitter)
564 {
565 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
566 struct pipe_context *pipe = ctx->base.pipe;
567 unsigned i;
568
569 /* Vertex buffer. */
570 if (ctx->base.saved_vertex_buffer.buffer.resource) {
571 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1,
572 &ctx->base.saved_vertex_buffer);
573 pipe_vertex_buffer_unreference(&ctx->base.saved_vertex_buffer);
574 }
575
576 /* Vertex elements. */
577 if (ctx->base.saved_velem_state != INVALID_PTR) {
578 pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state);
579 ctx->base.saved_velem_state = INVALID_PTR;
580 }
581
582 /* Vertex shader. */
583 pipe->bind_vs_state(pipe, ctx->base.saved_vs);
584 ctx->base.saved_vs = INVALID_PTR;
585
586 /* Geometry shader. */
587 if (ctx->has_geometry_shader) {
588 pipe->bind_gs_state(pipe, ctx->base.saved_gs);
589 ctx->base.saved_gs = INVALID_PTR;
590 }
591
592 if (ctx->has_tessellation) {
593 pipe->bind_tcs_state(pipe, ctx->base.saved_tcs);
594 pipe->bind_tes_state(pipe, ctx->base.saved_tes);
595 ctx->base.saved_tcs = INVALID_PTR;
596 ctx->base.saved_tes = INVALID_PTR;
597 }
598
599 /* Stream outputs. */
600 if (ctx->has_stream_out) {
601 unsigned offsets[PIPE_MAX_SO_BUFFERS];
602 for (i = 0; i < ctx->base.saved_num_so_targets; i++)
603 offsets[i] = (unsigned)-1;
604 pipe->set_stream_output_targets(pipe,
605 ctx->base.saved_num_so_targets,
606 ctx->base.saved_so_targets, offsets);
607
608 for (i = 0; i < ctx->base.saved_num_so_targets; i++)
609 pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL);
610
611 ctx->base.saved_num_so_targets = ~0;
612 }
613
614 /* Rasterizer. */
615 pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state);
616 ctx->base.saved_rs_state = INVALID_PTR;
617 }
618
blitter_check_saved_fragment_states(MAYBE_UNUSED struct blitter_context_priv * ctx)619 static void blitter_check_saved_fragment_states(MAYBE_UNUSED struct blitter_context_priv *ctx)
620 {
621 assert(ctx->base.saved_fs != INVALID_PTR);
622 assert(ctx->base.saved_dsa_state != INVALID_PTR);
623 assert(ctx->base.saved_blend_state != INVALID_PTR);
624 }
625
util_blitter_restore_fragment_states(struct blitter_context * blitter)626 void util_blitter_restore_fragment_states(struct blitter_context *blitter)
627 {
628 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
629 struct pipe_context *pipe = ctx->base.pipe;
630
631 /* Fragment shader. */
632 ctx->bind_fs_state(pipe, ctx->base.saved_fs);
633 ctx->base.saved_fs = INVALID_PTR;
634
635 /* Depth, stencil, alpha. */
636 pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state);
637 ctx->base.saved_dsa_state = INVALID_PTR;
638
639 /* Blend state. */
640 pipe->bind_blend_state(pipe, ctx->base.saved_blend_state);
641 ctx->base.saved_blend_state = INVALID_PTR;
642
643 /* Sample mask. */
644 if (ctx->base.is_sample_mask_saved) {
645 pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask);
646 ctx->base.is_sample_mask_saved = false;
647 }
648
649 /* Miscellaneous states. */
650 /* XXX check whether these are saved and whether they need to be restored
651 * (depending on the operation) */
652 pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref);
653
654 if (!blitter->skip_viewport_restore)
655 pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport);
656 }
657
blitter_check_saved_fb_state(MAYBE_UNUSED struct blitter_context_priv * ctx)658 static void blitter_check_saved_fb_state(MAYBE_UNUSED struct blitter_context_priv *ctx)
659 {
660 assert(ctx->base.saved_fb_state.nr_cbufs != ~0u);
661 }
662
blitter_disable_render_cond(struct blitter_context_priv * ctx)663 static void blitter_disable_render_cond(struct blitter_context_priv *ctx)
664 {
665 struct pipe_context *pipe = ctx->base.pipe;
666
667 if (ctx->base.saved_render_cond_query) {
668 pipe->render_condition(pipe, NULL, false, 0);
669 }
670 }
671
util_blitter_restore_render_cond(struct blitter_context * blitter)672 void util_blitter_restore_render_cond(struct blitter_context *blitter)
673 {
674 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
675 struct pipe_context *pipe = ctx->base.pipe;
676
677 if (ctx->base.saved_render_cond_query) {
678 pipe->render_condition(pipe, ctx->base.saved_render_cond_query,
679 ctx->base.saved_render_cond_cond,
680 ctx->base.saved_render_cond_mode);
681 ctx->base.saved_render_cond_query = NULL;
682 }
683 }
684
util_blitter_restore_fb_state(struct blitter_context * blitter)685 void util_blitter_restore_fb_state(struct blitter_context *blitter)
686 {
687 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
688 struct pipe_context *pipe = ctx->base.pipe;
689
690 pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state);
691 util_unreference_framebuffer_state(&ctx->base.saved_fb_state);
692 }
693
blitter_check_saved_textures(MAYBE_UNUSED struct blitter_context_priv * ctx)694 static void blitter_check_saved_textures(MAYBE_UNUSED struct blitter_context_priv *ctx)
695 {
696 assert(ctx->base.saved_num_sampler_states != ~0u);
697 assert(ctx->base.saved_num_sampler_views != ~0u);
698 }
699
util_blitter_restore_textures(struct blitter_context * blitter)700 void util_blitter_restore_textures(struct blitter_context *blitter)
701 {
702 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
703 struct pipe_context *pipe = ctx->base.pipe;
704 unsigned i;
705
706 /* Fragment sampler states. */
707 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0,
708 ctx->base.saved_num_sampler_states,
709 ctx->base.saved_sampler_states);
710
711 ctx->base.saved_num_sampler_states = ~0;
712
713 /* Fragment sampler views. */
714 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0,
715 ctx->base.saved_num_sampler_views,
716 ctx->base.saved_sampler_views);
717
718 for (i = 0; i < ctx->base.saved_num_sampler_views; i++)
719 pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL);
720
721 ctx->base.saved_num_sampler_views = ~0;
722 }
723
util_blitter_restore_constant_buffer_state(struct blitter_context * blitter)724 void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter)
725 {
726 struct pipe_context *pipe = blitter->pipe;
727
728 pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, blitter->cb_slot,
729 &blitter->saved_fs_constant_buffer);
730 pipe_resource_reference(&blitter->saved_fs_constant_buffer.buffer, NULL);
731 }
732
blitter_set_rectangle(struct blitter_context_priv * ctx,int x1,int y1,int x2,int y2,float depth)733 static void blitter_set_rectangle(struct blitter_context_priv *ctx,
734 int x1, int y1, int x2, int y2,
735 float depth)
736 {
737 int i;
738
739 /* set vertex positions */
740 ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/
741 ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/
742
743 ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/
744 ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/
745
746 ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/
747 ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/
748
749 ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/
750 ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/
751
752 for (i = 0; i < 4; i++)
753 ctx->vertices[i][0][2] = depth; /*z*/
754
755 /* viewport */
756 struct pipe_viewport_state viewport;
757 viewport.scale[0] = 0.5f * ctx->dst_width;
758 viewport.scale[1] = 0.5f * ctx->dst_height;
759 viewport.scale[2] = 1.0f;
760 viewport.translate[0] = 0.5f * ctx->dst_width;
761 viewport.translate[1] = 0.5f * ctx->dst_height;
762 viewport.translate[2] = 0.0f;
763 ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &viewport);
764 }
765
blitter_set_clear_color(struct blitter_context_priv * ctx,const float color[4])766 static void blitter_set_clear_color(struct blitter_context_priv *ctx,
767 const float color[4])
768 {
769 int i;
770
771 if (color) {
772 for (i = 0; i < 4; i++)
773 memcpy(&ctx->vertices[i][1][0], color, sizeof(uint32_t) * 4);
774 } else {
775 for (i = 0; i < 4; i++)
776 memset(&ctx->vertices[i][1][0], 0, sizeof(uint32_t) * 4);
777 }
778 }
779
get_texcoords(struct pipe_sampler_view * src,unsigned src_width0,unsigned src_height0,int x1,int y1,int x2,int y2,float layer,unsigned sample,bool uses_txf,union blitter_attrib * out)780 static void get_texcoords(struct pipe_sampler_view *src,
781 unsigned src_width0, unsigned src_height0,
782 int x1, int y1, int x2, int y2,
783 float layer, unsigned sample,
784 bool uses_txf, union blitter_attrib *out)
785 {
786 unsigned level = src->u.tex.first_level;
787 bool normalized = !uses_txf &&
788 src->target != PIPE_TEXTURE_RECT &&
789 src->texture->nr_samples <= 1;
790
791 if (normalized) {
792 out->texcoord.x1 = x1 / (float)u_minify(src_width0, level);
793 out->texcoord.y1 = y1 / (float)u_minify(src_height0, level);
794 out->texcoord.x2 = x2 / (float)u_minify(src_width0, level);
795 out->texcoord.y2 = y2 / (float)u_minify(src_height0, level);
796 } else {
797 out->texcoord.x1 = x1;
798 out->texcoord.y1 = y1;
799 out->texcoord.x2 = x2;
800 out->texcoord.y2 = y2;
801 }
802
803 out->texcoord.z = 0;
804 out->texcoord.w = 0;
805
806 /* Set the layer. */
807 switch (src->target) {
808 case PIPE_TEXTURE_3D:
809 {
810 float r = layer;
811
812 if (!uses_txf)
813 r /= u_minify(src->texture->depth0, src->u.tex.first_level);
814
815 out->texcoord.z = r;
816 }
817 break;
818
819 case PIPE_TEXTURE_1D_ARRAY:
820 out->texcoord.y1 = out->texcoord.y2 = layer;
821 break;
822
823 case PIPE_TEXTURE_2D_ARRAY:
824 out->texcoord.z = layer;
825 out->texcoord.w = sample;
826 break;
827
828 case PIPE_TEXTURE_CUBE_ARRAY:
829 out->texcoord.w = (unsigned)layer / 6;
830 break;
831
832 case PIPE_TEXTURE_2D:
833 out->texcoord.w = sample;
834 break;
835
836 default:;
837 }
838 }
839
blitter_set_dst_dimensions(struct blitter_context_priv * ctx,unsigned width,unsigned height)840 static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx,
841 unsigned width, unsigned height)
842 {
843 ctx->dst_width = width;
844 ctx->dst_height = height;
845 }
846
set_texcoords_in_vertices(const union blitter_attrib * attrib,float * out,unsigned stride)847 static void set_texcoords_in_vertices(const union blitter_attrib *attrib,
848 float *out, unsigned stride)
849 {
850 out[0] = attrib->texcoord.x1;
851 out[1] = attrib->texcoord.y1;
852 out += stride;
853 out[0] = attrib->texcoord.x2;
854 out[1] = attrib->texcoord.y1;
855 out += stride;
856 out[0] = attrib->texcoord.x2;
857 out[1] = attrib->texcoord.y2;
858 out += stride;
859 out[0] = attrib->texcoord.x1;
860 out[1] = attrib->texcoord.y2;
861 }
862
blitter_get_fs_texfetch_col(struct blitter_context_priv * ctx,enum pipe_format src_format,enum pipe_format dst_format,enum pipe_texture_target target,unsigned src_nr_samples,unsigned dst_nr_samples,unsigned filter,bool use_txf)863 static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
864 enum pipe_format src_format,
865 enum pipe_format dst_format,
866 enum pipe_texture_target target,
867 unsigned src_nr_samples,
868 unsigned dst_nr_samples,
869 unsigned filter,
870 bool use_txf)
871 {
872 struct pipe_context *pipe = ctx->base.pipe;
873 enum tgsi_texture_type tgsi_tex =
874 util_pipe_tex_to_tgsi_tex(target, src_nr_samples);
875 enum tgsi_return_type stype;
876 enum tgsi_return_type dtype;
877 unsigned type;
878
879 assert(target < PIPE_MAX_TEXTURE_TYPES);
880
881 if (util_format_is_pure_uint(src_format)) {
882 stype = TGSI_RETURN_TYPE_UINT;
883 if (util_format_is_pure_uint(dst_format)) {
884 dtype = TGSI_RETURN_TYPE_UINT;
885 type = 0;
886 } else {
887 assert(util_format_is_pure_sint(dst_format));
888 dtype = TGSI_RETURN_TYPE_SINT;
889 type = 1;
890 }
891 } else if (util_format_is_pure_sint(src_format)) {
892 stype = TGSI_RETURN_TYPE_SINT;
893 if (util_format_is_pure_sint(dst_format)) {
894 dtype = TGSI_RETURN_TYPE_SINT;
895 type = 2;
896 } else {
897 assert(util_format_is_pure_uint(dst_format));
898 dtype = TGSI_RETURN_TYPE_UINT;
899 type = 3;
900 }
901 } else {
902 assert(!util_format_is_pure_uint(dst_format) &&
903 !util_format_is_pure_sint(dst_format));
904 dtype = stype = TGSI_RETURN_TYPE_FLOAT;
905 type = 4;
906 }
907
908 if (src_nr_samples > 1) {
909 void **shader;
910
911 /* OpenGL requires that integer textures just copy 1 sample instead
912 * of averaging.
913 */
914 if (dst_nr_samples <= 1 &&
915 stype != TGSI_RETURN_TYPE_UINT &&
916 stype != TGSI_RETURN_TYPE_SINT) {
917 /* The destination has one sample, so we'll do color resolve. */
918 unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples);
919
920 assert(filter < 2);
921
922 shader = &ctx->fs_resolve[target][index][filter];
923
924 if (!*shader) {
925 assert(!ctx->cached_all_shaders);
926 if (filter == PIPE_TEX_FILTER_LINEAR) {
927 *shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex,
928 src_nr_samples,
929 stype);
930 }
931 else {
932 *shader = util_make_fs_msaa_resolve(pipe, tgsi_tex,
933 src_nr_samples,
934 stype);
935 }
936 }
937 }
938 else {
939 /* The destination has multiple samples, we'll do
940 * an MSAA->MSAA copy.
941 */
942 shader = &ctx->fs_texfetch_col_msaa[type][target];
943
944 /* Create the fragment shader on-demand. */
945 if (!*shader) {
946 assert(!ctx->cached_all_shaders);
947 *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex, stype, dtype);
948 }
949 }
950
951 return *shader;
952 } else {
953 void **shader;
954
955 if (use_txf)
956 shader = &ctx->fs_texfetch_col[type][target][1];
957 else
958 shader = &ctx->fs_texfetch_col[type][target][0];
959
960 /* Create the fragment shader on-demand. */
961 if (!*shader) {
962 assert(!ctx->cached_all_shaders);
963 *shader = util_make_fragment_tex_shader(pipe, tgsi_tex,
964 TGSI_INTERPOLATE_LINEAR,
965 stype, dtype,
966 ctx->has_tex_lz, use_txf);
967 }
968
969 return *shader;
970 }
971 }
972
973 static inline
blitter_get_fs_texfetch_depth(struct blitter_context_priv * ctx,enum pipe_texture_target target,unsigned nr_samples,bool use_txf)974 void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx,
975 enum pipe_texture_target target,
976 unsigned nr_samples,
977 bool use_txf)
978 {
979 struct pipe_context *pipe = ctx->base.pipe;
980
981 assert(target < PIPE_MAX_TEXTURE_TYPES);
982
983 if (nr_samples > 1) {
984 void **shader = &ctx->fs_texfetch_depth_msaa[target];
985
986 /* Create the fragment shader on-demand. */
987 if (!*shader) {
988 enum tgsi_texture_type tgsi_tex;
989 assert(!ctx->cached_all_shaders);
990 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples);
991 *shader = util_make_fs_blit_msaa_depth(pipe, tgsi_tex);
992 }
993
994 return *shader;
995 } else {
996 void **shader;
997
998 if (use_txf)
999 shader = &ctx->fs_texfetch_depth[target][1];
1000 else
1001 shader = &ctx->fs_texfetch_depth[target][0];
1002
1003 /* Create the fragment shader on-demand. */
1004 if (!*shader) {
1005 enum tgsi_texture_type tgsi_tex;
1006 assert(!ctx->cached_all_shaders);
1007 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
1008 *shader =
1009 util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex,
1010 TGSI_INTERPOLATE_LINEAR,
1011 ctx->has_tex_lz, use_txf);
1012 }
1013
1014 return *shader;
1015 }
1016 }
1017
1018 static inline
blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv * ctx,enum pipe_texture_target target,unsigned nr_samples,bool use_txf)1019 void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx,
1020 enum pipe_texture_target target,
1021 unsigned nr_samples,
1022 bool use_txf)
1023 {
1024 struct pipe_context *pipe = ctx->base.pipe;
1025
1026 assert(target < PIPE_MAX_TEXTURE_TYPES);
1027
1028 if (nr_samples > 1) {
1029 void **shader = &ctx->fs_texfetch_depthstencil_msaa[target];
1030
1031 /* Create the fragment shader on-demand. */
1032 if (!*shader) {
1033 enum tgsi_texture_type tgsi_tex;
1034 assert(!ctx->cached_all_shaders);
1035 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples);
1036 *shader = util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex);
1037 }
1038
1039 return *shader;
1040 } else {
1041 void **shader;
1042
1043 if (use_txf)
1044 shader = &ctx->fs_texfetch_depthstencil[target][1];
1045 else
1046 shader = &ctx->fs_texfetch_depthstencil[target][0];
1047
1048 /* Create the fragment shader on-demand. */
1049 if (!*shader) {
1050 enum tgsi_texture_type tgsi_tex;
1051 assert(!ctx->cached_all_shaders);
1052 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
1053 *shader =
1054 util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex,
1055 TGSI_INTERPOLATE_LINEAR,
1056 ctx->has_tex_lz,
1057 use_txf);
1058 }
1059
1060 return *shader;
1061 }
1062 }
1063
1064 static inline
blitter_get_fs_texfetch_stencil(struct blitter_context_priv * ctx,enum pipe_texture_target target,unsigned nr_samples,bool use_txf)1065 void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx,
1066 enum pipe_texture_target target,
1067 unsigned nr_samples,
1068 bool use_txf)
1069 {
1070 struct pipe_context *pipe = ctx->base.pipe;
1071
1072 assert(target < PIPE_MAX_TEXTURE_TYPES);
1073
1074 if (nr_samples > 1) {
1075 void **shader = &ctx->fs_texfetch_stencil_msaa[target];
1076
1077 /* Create the fragment shader on-demand. */
1078 if (!*shader) {
1079 enum tgsi_texture_type tgsi_tex;
1080 assert(!ctx->cached_all_shaders);
1081 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples);
1082 *shader = util_make_fs_blit_msaa_stencil(pipe, tgsi_tex);
1083 }
1084
1085 return *shader;
1086 } else {
1087 void **shader;
1088
1089 if (use_txf)
1090 shader = &ctx->fs_texfetch_stencil[target][1];
1091 else
1092 shader = &ctx->fs_texfetch_stencil[target][0];
1093
1094 /* Create the fragment shader on-demand. */
1095 if (!*shader) {
1096 enum tgsi_texture_type tgsi_tex;
1097 assert(!ctx->cached_all_shaders);
1098 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
1099 *shader =
1100 util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex,
1101 TGSI_INTERPOLATE_LINEAR,
1102 ctx->has_tex_lz, use_txf);
1103 }
1104
1105 return *shader;
1106 }
1107 }
1108
1109
1110 /**
1111 * Generate and save all fragment shaders that we will ever need for
1112 * blitting. Drivers which use the 'draw' fallbacks will typically use
1113 * this to make sure we generate/use shaders that don't go through the
1114 * draw module's wrapper functions.
1115 */
util_blitter_cache_all_shaders(struct blitter_context * blitter)1116 void util_blitter_cache_all_shaders(struct blitter_context *blitter)
1117 {
1118 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1119 struct pipe_context *pipe = blitter->pipe;
1120 struct pipe_screen *screen = pipe->screen;
1121 unsigned samples, j, f, target, max_samples, use_txf;
1122 bool has_arraytex, has_cubearraytex;
1123
1124 max_samples = ctx->has_texture_multisample ? 2 : 1;
1125 has_arraytex = screen->get_param(screen,
1126 PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0;
1127 has_cubearraytex = screen->get_param(screen,
1128 PIPE_CAP_CUBE_MAP_ARRAY) != 0;
1129
1130 /* It only matters if i <= 1 or > 1. */
1131 for (samples = 1; samples <= max_samples; samples++) {
1132 for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) {
1133 for (use_txf = 0; use_txf <= ctx->has_txf; use_txf++) {
1134 if (!has_arraytex &&
1135 (target == PIPE_TEXTURE_1D_ARRAY ||
1136 target == PIPE_TEXTURE_2D_ARRAY)) {
1137 continue;
1138 }
1139 if (!has_cubearraytex &&
1140 (target == PIPE_TEXTURE_CUBE_ARRAY))
1141 continue;
1142
1143 if (samples > 1 &&
1144 (target != PIPE_TEXTURE_2D &&
1145 target != PIPE_TEXTURE_2D_ARRAY))
1146 continue;
1147
1148 if (samples > 1 && use_txf)
1149 continue; /* TXF is the only option, use_txf has no effect */
1150
1151 /* If samples == 1, the shaders read one texel. If samples >= 1,
1152 * they read one sample.
1153 */
1154 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT,
1155 PIPE_FORMAT_R32_FLOAT, target,
1156 samples, samples, 0, use_txf);
1157 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT,
1158 PIPE_FORMAT_R32_UINT, target,
1159 samples, samples, 0, use_txf);
1160 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT,
1161 PIPE_FORMAT_R32_SINT, target,
1162 samples, samples, 0, use_txf);
1163 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT,
1164 PIPE_FORMAT_R32_SINT, target,
1165 samples, samples, 0, use_txf);
1166 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT,
1167 PIPE_FORMAT_R32_UINT, target,
1168 samples, samples, 0, use_txf);
1169 blitter_get_fs_texfetch_depth(ctx, target, samples, use_txf);
1170 if (ctx->has_stencil_export) {
1171 blitter_get_fs_texfetch_depthstencil(ctx, target, samples, use_txf);
1172 blitter_get_fs_texfetch_stencil(ctx, target, samples, use_txf);
1173 }
1174
1175 if (samples == 1)
1176 continue;
1177
1178 /* MSAA resolve shaders. */
1179 for (j = 2; j < 32; j++) {
1180 if (!screen->is_format_supported(screen, PIPE_FORMAT_R32_FLOAT,
1181 target, j,
1182 PIPE_BIND_SAMPLER_VIEW)) {
1183 continue;
1184 }
1185
1186 for (f = 0; f < 2; f++) {
1187 if (f != PIPE_TEX_FILTER_NEAREST && use_txf)
1188 continue;
1189
1190 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT,
1191 PIPE_FORMAT_R32_FLOAT, target,
1192 j, 1, f, use_txf);
1193 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT,
1194 PIPE_FORMAT_R32_UINT, target,
1195 j, 1, f, use_txf);
1196 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT,
1197 PIPE_FORMAT_R32_SINT, target,
1198 j, 1, f, use_txf);
1199 }
1200 }
1201 }
1202 }
1203 }
1204
1205 ctx->fs_empty = util_make_empty_fragment_shader(pipe);
1206
1207 ctx->fs_write_one_cbuf =
1208 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
1209 TGSI_INTERPOLATE_CONSTANT, false);
1210
1211 ctx->fs_write_all_cbufs =
1212 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
1213 TGSI_INTERPOLATE_CONSTANT, true);
1214
1215 ctx->cached_all_shaders = true;
1216 }
1217
blitter_set_common_draw_rect_state(struct blitter_context_priv * ctx,bool scissor)1218 static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx,
1219 bool scissor)
1220 {
1221 struct pipe_context *pipe = ctx->base.pipe;
1222
1223 pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor
1224 : ctx->rs_state);
1225 if (ctx->has_geometry_shader)
1226 pipe->bind_gs_state(pipe, NULL);
1227 if (ctx->has_tessellation) {
1228 pipe->bind_tcs_state(pipe, NULL);
1229 pipe->bind_tes_state(pipe, NULL);
1230 }
1231 if (ctx->has_stream_out)
1232 pipe->set_stream_output_targets(pipe, 0, NULL, NULL);
1233 }
1234
blitter_draw(struct blitter_context_priv * ctx,void * vertex_elements_cso,blitter_get_vs_func get_vs,int x1,int y1,int x2,int y2,float depth,unsigned num_instances)1235 static void blitter_draw(struct blitter_context_priv *ctx,
1236 void *vertex_elements_cso,
1237 blitter_get_vs_func get_vs,
1238 int x1, int y1, int x2, int y2, float depth,
1239 unsigned num_instances)
1240 {
1241 struct pipe_context *pipe = ctx->base.pipe;
1242 struct pipe_vertex_buffer vb = {0};
1243
1244 blitter_set_rectangle(ctx, x1, y1, x2, y2, depth);
1245
1246 vb.stride = 8 * sizeof(float);
1247
1248 u_upload_data(pipe->stream_uploader, 0, sizeof(ctx->vertices), 4, ctx->vertices,
1249 &vb.buffer_offset, &vb.buffer.resource);
1250 if (!vb.buffer.resource)
1251 return;
1252 u_upload_unmap(pipe->stream_uploader);
1253
1254 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
1255 pipe->bind_vertex_elements_state(pipe, vertex_elements_cso);
1256 pipe->bind_vs_state(pipe, get_vs(&ctx->base));
1257 util_draw_arrays_instanced(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, 4,
1258 0, num_instances);
1259 pipe_resource_reference(&vb.buffer.resource, NULL);
1260 }
1261
util_blitter_draw_rectangle(struct blitter_context * blitter,void * vertex_elements_cso,blitter_get_vs_func get_vs,int x1,int y1,int x2,int y2,float depth,unsigned num_instances,enum blitter_attrib_type type,const union blitter_attrib * attrib)1262 void util_blitter_draw_rectangle(struct blitter_context *blitter,
1263 void *vertex_elements_cso,
1264 blitter_get_vs_func get_vs,
1265 int x1, int y1, int x2, int y2,
1266 float depth, unsigned num_instances,
1267 enum blitter_attrib_type type,
1268 const union blitter_attrib *attrib)
1269 {
1270 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1271 unsigned i;
1272
1273 switch (type) {
1274 case UTIL_BLITTER_ATTRIB_COLOR:
1275 blitter_set_clear_color(ctx, attrib->color);
1276 break;
1277
1278 case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW:
1279 for (i = 0; i < 4; i++) {
1280 ctx->vertices[i][1][2] = attrib->texcoord.z;
1281 ctx->vertices[i][1][3] = attrib->texcoord.w;
1282 }
1283 /* fall through */
1284 case UTIL_BLITTER_ATTRIB_TEXCOORD_XY:
1285 set_texcoords_in_vertices(attrib, &ctx->vertices[0][1][0], 8);
1286 break;
1287
1288 default:;
1289 }
1290
1291 blitter_draw(ctx, vertex_elements_cso, get_vs, x1, y1, x2, y2, depth,
1292 num_instances);
1293 }
1294
get_clear_blend_state(struct blitter_context_priv * ctx,unsigned clear_buffers)1295 static void *get_clear_blend_state(struct blitter_context_priv *ctx,
1296 unsigned clear_buffers)
1297 {
1298 struct pipe_context *pipe = ctx->base.pipe;
1299 int index;
1300
1301 clear_buffers &= PIPE_CLEAR_COLOR;
1302
1303 /* Return an existing blend state. */
1304 if (!clear_buffers)
1305 return ctx->blend[0][0];
1306
1307 index = GET_CLEAR_BLEND_STATE_IDX(clear_buffers);
1308
1309 if (ctx->blend_clear[index])
1310 return ctx->blend_clear[index];
1311
1312 /* Create a new one. */
1313 {
1314 struct pipe_blend_state blend = {0};
1315 unsigned i;
1316
1317 blend.independent_blend_enable = 1;
1318
1319 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
1320 if (clear_buffers & (PIPE_CLEAR_COLOR0 << i)) {
1321 blend.rt[i].colormask = PIPE_MASK_RGBA;
1322 }
1323 }
1324
1325 ctx->blend_clear[index] = pipe->create_blend_state(pipe, &blend);
1326 }
1327 return ctx->blend_clear[index];
1328 }
1329
util_blitter_common_clear_setup(struct blitter_context * blitter,unsigned width,unsigned height,unsigned clear_buffers,void * custom_blend,void * custom_dsa)1330 void util_blitter_common_clear_setup(struct blitter_context *blitter,
1331 unsigned width, unsigned height,
1332 unsigned clear_buffers,
1333 void *custom_blend, void *custom_dsa)
1334 {
1335 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1336 struct pipe_context *pipe = ctx->base.pipe;
1337
1338 util_blitter_set_running_flag(blitter);
1339 blitter_check_saved_vertex_states(ctx);
1340 blitter_check_saved_fragment_states(ctx);
1341 blitter_disable_render_cond(ctx);
1342
1343 /* bind states */
1344 if (custom_blend) {
1345 pipe->bind_blend_state(pipe, custom_blend);
1346 } else {
1347 pipe->bind_blend_state(pipe, get_clear_blend_state(ctx, clear_buffers));
1348 }
1349
1350 if (custom_dsa) {
1351 pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa);
1352 } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) {
1353 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
1354 } else if (clear_buffers & PIPE_CLEAR_DEPTH) {
1355 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil);
1356 } else if (clear_buffers & PIPE_CLEAR_STENCIL) {
1357 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
1358 } else {
1359 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
1360 }
1361
1362 pipe->set_sample_mask(pipe, ~0);
1363 blitter_set_dst_dimensions(ctx, width, height);
1364 }
1365
util_blitter_clear_custom(struct blitter_context * blitter,unsigned width,unsigned height,unsigned num_layers,unsigned clear_buffers,const union pipe_color_union * color,double depth,unsigned stencil,void * custom_blend,void * custom_dsa)1366 static void util_blitter_clear_custom(struct blitter_context *blitter,
1367 unsigned width, unsigned height,
1368 unsigned num_layers,
1369 unsigned clear_buffers,
1370 const union pipe_color_union *color,
1371 double depth, unsigned stencil,
1372 void *custom_blend, void *custom_dsa)
1373 {
1374 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1375 struct pipe_context *pipe = ctx->base.pipe;
1376 struct pipe_stencil_ref sr = { { 0 } };
1377
1378 assert(ctx->has_layered || num_layers <= 1);
1379
1380 util_blitter_common_clear_setup(blitter, width, height, clear_buffers,
1381 custom_blend, custom_dsa);
1382
1383 sr.ref_value[0] = stencil & 0xff;
1384 pipe->set_stencil_ref(pipe, &sr);
1385
1386 bind_fs_write_all_cbufs(ctx);
1387
1388 union blitter_attrib attrib;
1389 memcpy(attrib.color, color->ui, sizeof(color->ui));
1390
1391 bool pass_generic = (clear_buffers & PIPE_CLEAR_COLOR) != 0;
1392 enum blitter_attrib_type type = pass_generic ? UTIL_BLITTER_ATTRIB_COLOR :
1393 UTIL_BLITTER_ATTRIB_NONE;
1394
1395 if (num_layers > 1 && ctx->has_layered) {
1396 blitter_get_vs_func get_vs = get_vs_layered;
1397
1398 blitter_set_common_draw_rect_state(ctx, false);
1399 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs,
1400 0, 0, width, height,
1401 (float) depth, num_layers, type, &attrib);
1402 } else {
1403 blitter_get_vs_func get_vs;
1404
1405 if (pass_generic)
1406 get_vs = get_vs_passthrough_pos_generic;
1407 else
1408 get_vs = get_vs_passthrough_pos;
1409
1410 blitter_set_common_draw_rect_state(ctx, false);
1411 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs,
1412 0, 0, width, height,
1413 (float) depth, 1, type, &attrib);
1414 }
1415
1416 util_blitter_restore_vertex_states(blitter);
1417 util_blitter_restore_fragment_states(blitter);
1418 util_blitter_restore_render_cond(blitter);
1419 util_blitter_unset_running_flag(blitter);
1420 }
1421
util_blitter_clear(struct blitter_context * blitter,unsigned width,unsigned height,unsigned num_layers,unsigned clear_buffers,const union pipe_color_union * color,double depth,unsigned stencil)1422 void util_blitter_clear(struct blitter_context *blitter,
1423 unsigned width, unsigned height, unsigned num_layers,
1424 unsigned clear_buffers,
1425 const union pipe_color_union *color,
1426 double depth, unsigned stencil)
1427 {
1428 util_blitter_clear_custom(blitter, width, height, num_layers,
1429 clear_buffers, color, depth, stencil,
1430 NULL, NULL);
1431 }
1432
util_blitter_custom_clear_depth(struct blitter_context * blitter,unsigned width,unsigned height,double depth,void * custom_dsa)1433 void util_blitter_custom_clear_depth(struct blitter_context *blitter,
1434 unsigned width, unsigned height,
1435 double depth, void *custom_dsa)
1436 {
1437 static const union pipe_color_union color;
1438 util_blitter_clear_custom(blitter, width, height, 0, 0, &color, depth, 0,
1439 NULL, custom_dsa);
1440 }
1441
util_blitter_default_dst_texture(struct pipe_surface * dst_templ,struct pipe_resource * dst,unsigned dstlevel,unsigned dstz)1442 void util_blitter_default_dst_texture(struct pipe_surface *dst_templ,
1443 struct pipe_resource *dst,
1444 unsigned dstlevel,
1445 unsigned dstz)
1446 {
1447 memset(dst_templ, 0, sizeof(*dst_templ));
1448 dst_templ->format = util_format_linear(dst->format);
1449 dst_templ->u.tex.level = dstlevel;
1450 dst_templ->u.tex.first_layer = dstz;
1451 dst_templ->u.tex.last_layer = dstz;
1452 }
1453
1454 static struct pipe_surface *
util_blitter_get_next_surface_layer(struct pipe_context * pipe,struct pipe_surface * surf)1455 util_blitter_get_next_surface_layer(struct pipe_context *pipe,
1456 struct pipe_surface *surf)
1457 {
1458 struct pipe_surface dst_templ;
1459
1460 memset(&dst_templ, 0, sizeof(dst_templ));
1461 dst_templ.format = surf->format;
1462 dst_templ.u.tex.level = surf->u.tex.level;
1463 dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1;
1464 dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1;
1465
1466 return pipe->create_surface(pipe, surf->texture, &dst_templ);
1467 }
1468
util_blitter_default_src_texture(struct blitter_context * blitter,struct pipe_sampler_view * src_templ,struct pipe_resource * src,unsigned srclevel)1469 void util_blitter_default_src_texture(struct blitter_context *blitter,
1470 struct pipe_sampler_view *src_templ,
1471 struct pipe_resource *src,
1472 unsigned srclevel)
1473 {
1474 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1475
1476 memset(src_templ, 0, sizeof(*src_templ));
1477
1478 if (ctx->cube_as_2darray &&
1479 (src->target == PIPE_TEXTURE_CUBE ||
1480 src->target == PIPE_TEXTURE_CUBE_ARRAY))
1481 src_templ->target = PIPE_TEXTURE_2D_ARRAY;
1482 else
1483 src_templ->target = src->target;
1484
1485 src_templ->format = util_format_linear(src->format);
1486 src_templ->u.tex.first_level = srclevel;
1487 src_templ->u.tex.last_level = srclevel;
1488 src_templ->u.tex.first_layer = 0;
1489 src_templ->u.tex.last_layer =
1490 src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1
1491 : (unsigned)(src->array_size - 1);
1492 src_templ->swizzle_r = PIPE_SWIZZLE_X;
1493 src_templ->swizzle_g = PIPE_SWIZZLE_Y;
1494 src_templ->swizzle_b = PIPE_SWIZZLE_Z;
1495 src_templ->swizzle_a = PIPE_SWIZZLE_W;
1496 }
1497
is_blit_generic_supported(struct blitter_context * blitter,const struct pipe_resource * dst,enum pipe_format dst_format,const struct pipe_resource * src,enum pipe_format src_format,unsigned mask)1498 static bool is_blit_generic_supported(struct blitter_context *blitter,
1499 const struct pipe_resource *dst,
1500 enum pipe_format dst_format,
1501 const struct pipe_resource *src,
1502 enum pipe_format src_format,
1503 unsigned mask)
1504 {
1505 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1506 struct pipe_screen *screen = ctx->base.pipe->screen;
1507
1508 if (dst) {
1509 unsigned bind;
1510 const struct util_format_description *desc =
1511 util_format_description(dst_format);
1512 bool dst_has_stencil = util_format_has_stencil(desc);
1513
1514 /* Stencil export must be supported for stencil copy. */
1515 if ((mask & PIPE_MASK_S) && dst_has_stencil &&
1516 !ctx->has_stencil_export) {
1517 return false;
1518 }
1519
1520 if (dst_has_stencil || util_format_has_depth(desc))
1521 bind = PIPE_BIND_DEPTH_STENCIL;
1522 else
1523 bind = PIPE_BIND_RENDER_TARGET;
1524
1525 if (!screen->is_format_supported(screen, dst_format, dst->target,
1526 dst->nr_samples, bind)) {
1527 return false;
1528 }
1529 }
1530
1531 if (src) {
1532 if (src->nr_samples > 1 && !ctx->has_texture_multisample) {
1533 return false;
1534 }
1535
1536 if (!screen->is_format_supported(screen, src_format, src->target,
1537 src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) {
1538 return false;
1539 }
1540
1541 /* Check stencil sampler support for stencil copy. */
1542 if (mask & PIPE_MASK_S) {
1543 if (util_format_has_stencil(util_format_description(src_format))) {
1544 enum pipe_format stencil_format =
1545 util_format_stencil_only(src_format);
1546 assert(stencil_format != PIPE_FORMAT_NONE);
1547
1548 if (stencil_format != src_format &&
1549 !screen->is_format_supported(screen, stencil_format,
1550 src->target, src->nr_samples,
1551 PIPE_BIND_SAMPLER_VIEW)) {
1552 return false;
1553 }
1554 }
1555 }
1556 }
1557
1558 return true;
1559 }
1560
util_blitter_is_copy_supported(struct blitter_context * blitter,const struct pipe_resource * dst,const struct pipe_resource * src)1561 bool util_blitter_is_copy_supported(struct blitter_context *blitter,
1562 const struct pipe_resource *dst,
1563 const struct pipe_resource *src)
1564 {
1565 return is_blit_generic_supported(blitter, dst, dst->format,
1566 src, src->format, PIPE_MASK_RGBAZS);
1567 }
1568
util_blitter_is_blit_supported(struct blitter_context * blitter,const struct pipe_blit_info * info)1569 bool util_blitter_is_blit_supported(struct blitter_context *blitter,
1570 const struct pipe_blit_info *info)
1571 {
1572 return is_blit_generic_supported(blitter,
1573 info->dst.resource, info->dst.format,
1574 info->src.resource, info->src.format,
1575 info->mask);
1576 }
1577
util_blitter_copy_texture(struct blitter_context * blitter,struct pipe_resource * dst,unsigned dst_level,unsigned dstx,unsigned dsty,unsigned dstz,struct pipe_resource * src,unsigned src_level,const struct pipe_box * srcbox)1578 void util_blitter_copy_texture(struct blitter_context *blitter,
1579 struct pipe_resource *dst,
1580 unsigned dst_level,
1581 unsigned dstx, unsigned dsty, unsigned dstz,
1582 struct pipe_resource *src,
1583 unsigned src_level,
1584 const struct pipe_box *srcbox)
1585 {
1586 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1587 struct pipe_context *pipe = ctx->base.pipe;
1588 struct pipe_surface *dst_view, dst_templ;
1589 struct pipe_sampler_view src_templ, *src_view;
1590 struct pipe_box dstbox;
1591
1592 assert(dst && src);
1593 assert(src->target < PIPE_MAX_TEXTURE_TYPES);
1594
1595 u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height),
1596 abs(srcbox->depth), &dstbox);
1597
1598 /* Initialize the surface. */
1599 util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz);
1600 dst_view = pipe->create_surface(pipe, dst, &dst_templ);
1601
1602 /* Initialize the sampler view. */
1603 util_blitter_default_src_texture(blitter, &src_templ, src, src_level);
1604 src_view = pipe->create_sampler_view(pipe, src, &src_templ);
1605
1606 /* Copy. */
1607 util_blitter_blit_generic(blitter, dst_view, &dstbox,
1608 src_view, srcbox, src->width0, src->height0,
1609 PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL,
1610 false);
1611
1612 pipe_surface_reference(&dst_view, NULL);
1613 pipe_sampler_view_reference(&src_view, NULL);
1614 }
1615
1616 static void
blitter_draw_tex(struct blitter_context_priv * ctx,int dst_x1,int dst_y1,int dst_x2,int dst_y2,struct pipe_sampler_view * src,unsigned src_width0,unsigned src_height0,int src_x1,int src_y1,int src_x2,int src_y2,float layer,unsigned sample,bool uses_txf,enum blitter_attrib_type type)1617 blitter_draw_tex(struct blitter_context_priv *ctx,
1618 int dst_x1, int dst_y1, int dst_x2, int dst_y2,
1619 struct pipe_sampler_view *src,
1620 unsigned src_width0, unsigned src_height0,
1621 int src_x1, int src_y1, int src_x2, int src_y2,
1622 float layer, unsigned sample,
1623 bool uses_txf, enum blitter_attrib_type type)
1624 {
1625 union blitter_attrib coord;
1626 blitter_get_vs_func get_vs = get_vs_passthrough_pos_generic;
1627
1628 get_texcoords(src, src_width0, src_height0,
1629 src_x1, src_y1, src_x2, src_y2, layer, sample,
1630 uses_txf, &coord);
1631
1632 if (src->target == PIPE_TEXTURE_CUBE ||
1633 src->target == PIPE_TEXTURE_CUBE_ARRAY) {
1634 float face_coord[4][2];
1635
1636 set_texcoords_in_vertices(&coord, &face_coord[0][0], 2);
1637 util_map_texcoords2d_onto_cubemap((unsigned)layer % 6,
1638 /* pointer, stride in floats */
1639 &face_coord[0][0], 2,
1640 &ctx->vertices[0][1][0], 8,
1641 false);
1642 for (unsigned i = 0; i < 4; i++)
1643 ctx->vertices[i][1][3] = coord.texcoord.w;
1644
1645 /* Cubemaps don't use draw_rectangle. */
1646 blitter_draw(ctx, ctx->velem_state, get_vs,
1647 dst_x1, dst_y1, dst_x2, dst_y2, 0, 1);
1648 } else {
1649 ctx->base.draw_rectangle(&ctx->base, ctx->velem_state, get_vs,
1650 dst_x1, dst_y1, dst_x2, dst_y2,
1651 0, 1, type, &coord);
1652 }
1653 }
1654
do_blits(struct blitter_context_priv * ctx,struct pipe_surface * dst,const struct pipe_box * dstbox,struct pipe_sampler_view * src,unsigned src_width0,unsigned src_height0,const struct pipe_box * srcbox,bool is_zsbuf,bool uses_txf)1655 static void do_blits(struct blitter_context_priv *ctx,
1656 struct pipe_surface *dst,
1657 const struct pipe_box *dstbox,
1658 struct pipe_sampler_view *src,
1659 unsigned src_width0,
1660 unsigned src_height0,
1661 const struct pipe_box *srcbox,
1662 bool is_zsbuf,
1663 bool uses_txf)
1664 {
1665 struct pipe_context *pipe = ctx->base.pipe;
1666 unsigned src_samples = src->texture->nr_samples;
1667 unsigned dst_samples = dst->texture->nr_samples;
1668 enum pipe_texture_target src_target = src->target;
1669 struct pipe_framebuffer_state fb_state = {0};
1670
1671 /* Initialize framebuffer state. */
1672 fb_state.width = dst->width;
1673 fb_state.height = dst->height;
1674 fb_state.nr_cbufs = is_zsbuf ? 0 : 1;
1675
1676 blitter_set_dst_dimensions(ctx, fb_state.width, fb_state.height);
1677
1678 if ((src_target == PIPE_TEXTURE_1D ||
1679 src_target == PIPE_TEXTURE_2D ||
1680 src_target == PIPE_TEXTURE_RECT) &&
1681 src_samples <= 1) {
1682 /* Set framebuffer state. */
1683 if (is_zsbuf) {
1684 fb_state.zsbuf = dst;
1685 } else {
1686 fb_state.cbufs[0] = dst;
1687 }
1688 pipe->set_framebuffer_state(pipe, &fb_state);
1689
1690 /* Draw. */
1691 pipe->set_sample_mask(pipe, ~0);
1692 blitter_draw_tex(ctx, dstbox->x, dstbox->y,
1693 dstbox->x + dstbox->width,
1694 dstbox->y + dstbox->height,
1695 src, src_width0, src_height0, srcbox->x, srcbox->y,
1696 srcbox->x + srcbox->width, srcbox->y + srcbox->height,
1697 0, 0, uses_txf, UTIL_BLITTER_ATTRIB_TEXCOORD_XY);
1698 } else {
1699 /* Draw the quad with the generic codepath. */
1700 int dst_z;
1701 for (dst_z = 0; dst_z < dstbox->depth; dst_z++) {
1702 struct pipe_surface *old;
1703 float dst2src_scale = srcbox->depth / (float)dstbox->depth;
1704
1705 /* Scale Z properly if the blit is scaled.
1706 *
1707 * When downscaling, we want the coordinates centered, so that
1708 * mipmapping works for 3D textures. For example, when generating
1709 * a 4x4x4 level, this wouldn't average the pixels:
1710 *
1711 * src Z: 0 1 2 3 4 5 6 7
1712 * dst Z: 0 1 2 3
1713 *
1714 * Because the pixels are not centered below the pixels of the higher
1715 * level. Therefore, we want this:
1716 * src Z: 0 1 2 3 4 5 6 7
1717 * dst Z: 0 1 2 3
1718 *
1719 * dst_offset defines the offset needed for centering the pixels and
1720 * it works with any scaling (not just 2x).
1721 */
1722 float dst_offset = ((srcbox->depth - 1) -
1723 (dstbox->depth - 1) * dst2src_scale) * 0.5;
1724 float src_z = (dst_z + dst_offset) * dst2src_scale;
1725
1726 /* Set framebuffer state. */
1727 if (is_zsbuf) {
1728 fb_state.zsbuf = dst;
1729 } else {
1730 fb_state.cbufs[0] = dst;
1731 }
1732 pipe->set_framebuffer_state(pipe, &fb_state);
1733
1734 /* See if we need to blit a multisample or singlesample buffer. */
1735 if (src_samples == dst_samples && dst_samples > 1) {
1736 /* MSAA copy. */
1737 unsigned i, max_sample = dst_samples - 1;
1738
1739 for (i = 0; i <= max_sample; i++) {
1740 pipe->set_sample_mask(pipe, 1 << i);
1741 blitter_draw_tex(ctx, dstbox->x, dstbox->y,
1742 dstbox->x + dstbox->width,
1743 dstbox->y + dstbox->height,
1744 src, src_width0, src_height0,
1745 srcbox->x, srcbox->y,
1746 srcbox->x + srcbox->width,
1747 srcbox->y + srcbox->height,
1748 srcbox->z + src_z, i, uses_txf,
1749 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW);
1750 }
1751 } else {
1752 /* Normal copy, MSAA upsampling, or MSAA resolve. */
1753 pipe->set_sample_mask(pipe, ~0);
1754 blitter_draw_tex(ctx, dstbox->x, dstbox->y,
1755 dstbox->x + dstbox->width,
1756 dstbox->y + dstbox->height,
1757 src, src_width0, src_height0,
1758 srcbox->x, srcbox->y,
1759 srcbox->x + srcbox->width,
1760 srcbox->y + srcbox->height,
1761 srcbox->z + src_z, 0, uses_txf,
1762 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW);
1763 }
1764
1765 /* Get the next surface or (if this is the last iteration)
1766 * just unreference the last one. */
1767 old = dst;
1768 if (dst_z < dstbox->depth-1) {
1769 dst = util_blitter_get_next_surface_layer(ctx->base.pipe, dst);
1770 }
1771 if (dst_z) {
1772 pipe_surface_reference(&old, NULL);
1773 }
1774 }
1775 }
1776 }
1777
util_blitter_blit_generic(struct blitter_context * blitter,struct pipe_surface * dst,const struct pipe_box * dstbox,struct pipe_sampler_view * src,const struct pipe_box * srcbox,unsigned src_width0,unsigned src_height0,unsigned mask,unsigned filter,const struct pipe_scissor_state * scissor,bool alpha_blend)1778 void util_blitter_blit_generic(struct blitter_context *blitter,
1779 struct pipe_surface *dst,
1780 const struct pipe_box *dstbox,
1781 struct pipe_sampler_view *src,
1782 const struct pipe_box *srcbox,
1783 unsigned src_width0, unsigned src_height0,
1784 unsigned mask, unsigned filter,
1785 const struct pipe_scissor_state *scissor,
1786 bool alpha_blend)
1787 {
1788 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1789 struct pipe_context *pipe = ctx->base.pipe;
1790 enum pipe_texture_target src_target = src->target;
1791 unsigned src_samples = src->texture->nr_samples;
1792 unsigned dst_samples = dst->texture->nr_samples;
1793 bool has_depth, has_stencil, has_color;
1794 bool blit_stencil, blit_depth, blit_color;
1795 void *sampler_state;
1796 const struct util_format_description *src_desc =
1797 util_format_description(src->format);
1798 const struct util_format_description *dst_desc =
1799 util_format_description(dst->format);
1800
1801 has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
1802 dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS;
1803 has_depth = util_format_has_depth(src_desc) &&
1804 util_format_has_depth(dst_desc);
1805 has_stencil = util_format_has_stencil(src_desc) &&
1806 util_format_has_stencil(dst_desc);
1807
1808 blit_color = has_color && (mask & PIPE_MASK_RGBA);
1809 blit_depth = has_depth && (mask & PIPE_MASK_Z);
1810 blit_stencil = has_stencil && (mask & PIPE_MASK_S) &&
1811 ctx->has_stencil_export;
1812
1813 if (!blit_stencil && !blit_depth && !blit_color) {
1814 return;
1815 }
1816
1817 bool is_scaled = dstbox->width != abs(srcbox->width) ||
1818 dstbox->height != abs(srcbox->height);
1819
1820 if (blit_stencil || !is_scaled)
1821 filter = PIPE_TEX_FILTER_NEAREST;
1822
1823 bool use_txf = false;
1824
1825 /* Don't support scaled blits. The TXF shader uses F2I for rounding. */
1826 if (ctx->has_txf &&
1827 !is_scaled &&
1828 filter == PIPE_TEX_FILTER_NEAREST &&
1829 src->target != PIPE_TEXTURE_CUBE &&
1830 src->target != PIPE_TEXTURE_CUBE_ARRAY) {
1831 int src_width = u_minify(src_width0, src->u.tex.first_level);
1832 int src_height = u_minify(src_height0, src->u.tex.first_level);
1833 int src_depth = src->u.tex.last_layer + 1;
1834 struct pipe_box box = *srcbox;
1835
1836 /* Eliminate negative width/height/depth. */
1837 if (box.width < 0) {
1838 box.x += box.width;
1839 box.width *= -1;
1840 }
1841 if (box.height < 0) {
1842 box.y += box.height;
1843 box.height *= -1;
1844 }
1845 if (box.depth < 0) {
1846 box.z += box.depth;
1847 box.depth *= -1;
1848 }
1849
1850 /* See if srcbox is in bounds. TXF doesn't clamp the coordinates. */
1851 use_txf =
1852 box.x >= 0 && box.x < src_width &&
1853 box.y >= 0 && box.y < src_height &&
1854 box.z >= 0 && box.z < src_depth &&
1855 box.x + box.width > 0 && box.x + box.width <= src_width &&
1856 box.y + box.height > 0 && box.y + box.height <= src_height &&
1857 box.z + box.depth > 0 && box.z + box.depth <= src_depth;
1858 }
1859
1860 /* Check whether the states are properly saved. */
1861 util_blitter_set_running_flag(blitter);
1862 blitter_check_saved_vertex_states(ctx);
1863 blitter_check_saved_fragment_states(ctx);
1864 blitter_check_saved_textures(ctx);
1865 blitter_check_saved_fb_state(ctx);
1866 blitter_disable_render_cond(ctx);
1867
1868 if (blit_depth || blit_stencil) {
1869 pipe->bind_blend_state(pipe, ctx->blend[0][0]);
1870
1871 if (blit_depth && blit_stencil) {
1872 pipe->bind_depth_stencil_alpha_state(pipe,
1873 ctx->dsa_write_depth_stencil);
1874 ctx->bind_fs_state(pipe,
1875 blitter_get_fs_texfetch_depthstencil(ctx, src_target,
1876 src_samples, use_txf));
1877 } else if (blit_depth) {
1878 pipe->bind_depth_stencil_alpha_state(pipe,
1879 ctx->dsa_write_depth_keep_stencil);
1880 ctx->bind_fs_state(pipe,
1881 blitter_get_fs_texfetch_depth(ctx, src_target,
1882 src_samples, use_txf));
1883 } else { /* is_stencil */
1884 pipe->bind_depth_stencil_alpha_state(pipe,
1885 ctx->dsa_keep_depth_write_stencil);
1886 ctx->bind_fs_state(pipe,
1887 blitter_get_fs_texfetch_stencil(ctx, src_target,
1888 src_samples, use_txf));
1889 }
1890
1891 } else {
1892 unsigned colormask = mask & PIPE_MASK_RGBA;
1893
1894 pipe->bind_blend_state(pipe, ctx->blend[colormask][alpha_blend]);
1895 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
1896 ctx->bind_fs_state(pipe,
1897 blitter_get_fs_texfetch_col(ctx, src->format, dst->format, src_target,
1898 src_samples, dst_samples, filter,
1899 use_txf));
1900 }
1901
1902 /* Set the linear filter only for scaled color non-MSAA blits. */
1903 if (filter == PIPE_TEX_FILTER_LINEAR) {
1904 if (src_target == PIPE_TEXTURE_RECT) {
1905 sampler_state = ctx->sampler_state_rect_linear;
1906 } else {
1907 sampler_state = ctx->sampler_state_linear;
1908 }
1909 } else {
1910 if (src_target == PIPE_TEXTURE_RECT) {
1911 sampler_state = ctx->sampler_state_rect;
1912 } else {
1913 sampler_state = ctx->sampler_state;
1914 }
1915 }
1916
1917 /* Set samplers. */
1918 if (blit_depth && blit_stencil) {
1919 /* Setup two samplers, one for depth and the other one for stencil. */
1920 struct pipe_sampler_view templ;
1921 struct pipe_sampler_view *views[2];
1922 void *samplers[2] = {sampler_state, sampler_state};
1923
1924 templ = *src;
1925 templ.format = util_format_stencil_only(templ.format);
1926 assert(templ.format != PIPE_FORMAT_NONE);
1927
1928 views[0] = src;
1929 views[1] = pipe->create_sampler_view(pipe, src->texture, &templ);
1930
1931 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, views);
1932 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 2, samplers);
1933
1934 pipe_sampler_view_reference(&views[1], NULL);
1935 } else if (blit_stencil) {
1936 /* Set a stencil-only sampler view for it not to sample depth instead. */
1937 struct pipe_sampler_view templ;
1938 struct pipe_sampler_view *view;
1939
1940 templ = *src;
1941 templ.format = util_format_stencil_only(templ.format);
1942 assert(templ.format != PIPE_FORMAT_NONE);
1943
1944 view = pipe->create_sampler_view(pipe, src->texture, &templ);
1945
1946 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &view);
1947 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
1948 0, 1, &sampler_state);
1949
1950 pipe_sampler_view_reference(&view, NULL);
1951 } else {
1952 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src);
1953 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
1954 0, 1, &sampler_state);
1955 }
1956
1957 if (scissor) {
1958 pipe->set_scissor_states(pipe, 0, 1, scissor);
1959 }
1960
1961 blitter_set_common_draw_rect_state(ctx, scissor != NULL);
1962
1963 do_blits(ctx, dst, dstbox, src, src_width0, src_height0,
1964 srcbox, blit_depth || blit_stencil, use_txf);
1965
1966 util_blitter_restore_vertex_states(blitter);
1967 util_blitter_restore_fragment_states(blitter);
1968 util_blitter_restore_textures(blitter);
1969 util_blitter_restore_fb_state(blitter);
1970 if (scissor) {
1971 pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor);
1972 }
1973 util_blitter_restore_render_cond(blitter);
1974 util_blitter_unset_running_flag(blitter);
1975 }
1976
1977 void
util_blitter_blit(struct blitter_context * blitter,const struct pipe_blit_info * info)1978 util_blitter_blit(struct blitter_context *blitter,
1979 const struct pipe_blit_info *info)
1980 {
1981 struct pipe_resource *dst = info->dst.resource;
1982 struct pipe_resource *src = info->src.resource;
1983 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
1984 struct pipe_context *pipe = ctx->base.pipe;
1985 struct pipe_surface *dst_view, dst_templ;
1986 struct pipe_sampler_view src_templ, *src_view;
1987
1988 /* Initialize the surface. */
1989 util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level,
1990 info->dst.box.z);
1991 dst_templ.format = info->dst.format;
1992 dst_view = pipe->create_surface(pipe, dst, &dst_templ);
1993
1994 /* Initialize the sampler view. */
1995 util_blitter_default_src_texture(blitter, &src_templ, src, info->src.level);
1996 src_templ.format = info->src.format;
1997 src_view = pipe->create_sampler_view(pipe, src, &src_templ);
1998
1999 /* Copy. */
2000 util_blitter_blit_generic(blitter, dst_view, &info->dst.box,
2001 src_view, &info->src.box, src->width0, src->height0,
2002 info->mask, info->filter,
2003 info->scissor_enable ? &info->scissor : NULL,
2004 info->alpha_blend);
2005
2006 pipe_surface_reference(&dst_view, NULL);
2007 pipe_sampler_view_reference(&src_view, NULL);
2008 }
2009
util_blitter_generate_mipmap(struct blitter_context * blitter,struct pipe_resource * tex,enum pipe_format format,unsigned base_level,unsigned last_level,unsigned first_layer,unsigned last_layer)2010 void util_blitter_generate_mipmap(struct blitter_context *blitter,
2011 struct pipe_resource *tex,
2012 enum pipe_format format,
2013 unsigned base_level, unsigned last_level,
2014 unsigned first_layer, unsigned last_layer)
2015 {
2016 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2017 struct pipe_context *pipe = ctx->base.pipe;
2018 struct pipe_surface dst_templ, *dst_view;
2019 struct pipe_sampler_view src_templ, *src_view;
2020 bool is_depth;
2021 void *sampler_state;
2022 const struct util_format_description *desc =
2023 util_format_description(format);
2024 unsigned src_level;
2025 unsigned target = tex->target;
2026
2027 if (ctx->cube_as_2darray &&
2028 (target == PIPE_TEXTURE_CUBE || target == PIPE_TEXTURE_CUBE_ARRAY))
2029 target = PIPE_TEXTURE_2D_ARRAY;
2030
2031 assert(tex->nr_samples <= 1);
2032 assert(!util_format_has_stencil(desc));
2033
2034 is_depth = desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS;
2035
2036 /* Check whether the states are properly saved. */
2037 util_blitter_set_running_flag(blitter);
2038 blitter_check_saved_vertex_states(ctx);
2039 blitter_check_saved_fragment_states(ctx);
2040 blitter_check_saved_textures(ctx);
2041 blitter_check_saved_fb_state(ctx);
2042 blitter_disable_render_cond(ctx);
2043
2044 /* Set states. */
2045 if (is_depth) {
2046 pipe->bind_blend_state(pipe, ctx->blend[0][0]);
2047 pipe->bind_depth_stencil_alpha_state(pipe,
2048 ctx->dsa_write_depth_keep_stencil);
2049 ctx->bind_fs_state(pipe,
2050 blitter_get_fs_texfetch_depth(ctx, target, 1, false));
2051 } else {
2052 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]);
2053 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
2054 ctx->bind_fs_state(pipe,
2055 blitter_get_fs_texfetch_col(ctx, tex->format, tex->format, target,
2056 1, 1, PIPE_TEX_FILTER_LINEAR, false));
2057 }
2058
2059 if (target == PIPE_TEXTURE_RECT) {
2060 sampler_state = ctx->sampler_state_rect_linear;
2061 } else {
2062 sampler_state = ctx->sampler_state_linear;
2063 }
2064 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
2065 0, 1, &sampler_state);
2066
2067 blitter_set_common_draw_rect_state(ctx, false);
2068
2069 for (src_level = base_level; src_level < last_level; src_level++) {
2070 struct pipe_box dstbox = {0}, srcbox = {0};
2071 unsigned dst_level = src_level + 1;
2072
2073 dstbox.width = u_minify(tex->width0, dst_level);
2074 dstbox.height = u_minify(tex->height0, dst_level);
2075
2076 srcbox.width = u_minify(tex->width0, src_level);
2077 srcbox.height = u_minify(tex->height0, src_level);
2078
2079 if (target == PIPE_TEXTURE_3D) {
2080 dstbox.depth = util_num_layers(tex, dst_level);
2081 srcbox.depth = util_num_layers(tex, src_level);
2082 } else {
2083 dstbox.z = srcbox.z = first_layer;
2084 dstbox.depth = srcbox.depth = last_layer - first_layer + 1;
2085 }
2086
2087 /* Initialize the surface. */
2088 util_blitter_default_dst_texture(&dst_templ, tex, dst_level,
2089 first_layer);
2090 dst_templ.format = format;
2091 dst_view = pipe->create_surface(pipe, tex, &dst_templ);
2092
2093 /* Initialize the sampler view. */
2094 util_blitter_default_src_texture(blitter, &src_templ, tex, src_level);
2095 src_templ.format = format;
2096 src_view = pipe->create_sampler_view(pipe, tex, &src_templ);
2097
2098 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src_view);
2099
2100 do_blits(ctx, dst_view, &dstbox, src_view, tex->width0, tex->height0,
2101 &srcbox, is_depth, false);
2102
2103 pipe_surface_reference(&dst_view, NULL);
2104 pipe_sampler_view_reference(&src_view, NULL);
2105 }
2106
2107 util_blitter_restore_vertex_states(blitter);
2108 util_blitter_restore_fragment_states(blitter);
2109 util_blitter_restore_textures(blitter);
2110 util_blitter_restore_fb_state(blitter);
2111 util_blitter_restore_render_cond(blitter);
2112 util_blitter_unset_running_flag(blitter);
2113 }
2114
2115 /* Clear a region of a color surface to a constant value. */
util_blitter_clear_render_target(struct blitter_context * blitter,struct pipe_surface * dstsurf,const union pipe_color_union * color,unsigned dstx,unsigned dsty,unsigned width,unsigned height)2116 void util_blitter_clear_render_target(struct blitter_context *blitter,
2117 struct pipe_surface *dstsurf,
2118 const union pipe_color_union *color,
2119 unsigned dstx, unsigned dsty,
2120 unsigned width, unsigned height)
2121 {
2122 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2123 struct pipe_context *pipe = ctx->base.pipe;
2124 struct pipe_framebuffer_state fb_state;
2125 unsigned num_layers;
2126
2127 assert(dstsurf->texture);
2128 if (!dstsurf->texture)
2129 return;
2130
2131 /* check the saved state */
2132 util_blitter_set_running_flag(blitter);
2133 blitter_check_saved_vertex_states(ctx);
2134 blitter_check_saved_fragment_states(ctx);
2135 blitter_check_saved_fb_state(ctx);
2136 blitter_disable_render_cond(ctx);
2137
2138 /* bind states */
2139 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]);
2140 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
2141 bind_fs_write_one_cbuf(ctx);
2142
2143 /* set a framebuffer state */
2144 fb_state.width = dstsurf->width;
2145 fb_state.height = dstsurf->height;
2146 fb_state.nr_cbufs = 1;
2147 fb_state.cbufs[0] = dstsurf;
2148 fb_state.zsbuf = 0;
2149 pipe->set_framebuffer_state(pipe, &fb_state);
2150 pipe->set_sample_mask(pipe, ~0);
2151
2152 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
2153
2154 union blitter_attrib attrib;
2155 memcpy(attrib.color, color->ui, sizeof(color->ui));
2156
2157 num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1;
2158 if (num_layers > 1 && ctx->has_layered) {
2159 blitter_set_common_draw_rect_state(ctx, false);
2160 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_layered,
2161 dstx, dsty, dstx+width, dsty+height, 0,
2162 num_layers, UTIL_BLITTER_ATTRIB_COLOR, &attrib);
2163 } else {
2164 blitter_set_common_draw_rect_state(ctx, false);
2165 blitter->draw_rectangle(blitter, ctx->velem_state,
2166 get_vs_passthrough_pos_generic,
2167 dstx, dsty, dstx+width, dsty+height, 0,
2168 1, UTIL_BLITTER_ATTRIB_COLOR, &attrib);
2169 }
2170
2171 util_blitter_restore_vertex_states(blitter);
2172 util_blitter_restore_fragment_states(blitter);
2173 util_blitter_restore_fb_state(blitter);
2174 util_blitter_restore_render_cond(blitter);
2175 util_blitter_unset_running_flag(blitter);
2176 }
2177
2178 /* Clear a region of a depth stencil surface. */
util_blitter_clear_depth_stencil(struct blitter_context * blitter,struct pipe_surface * dstsurf,unsigned clear_flags,double depth,unsigned stencil,unsigned dstx,unsigned dsty,unsigned width,unsigned height)2179 void util_blitter_clear_depth_stencil(struct blitter_context *blitter,
2180 struct pipe_surface *dstsurf,
2181 unsigned clear_flags,
2182 double depth,
2183 unsigned stencil,
2184 unsigned dstx, unsigned dsty,
2185 unsigned width, unsigned height)
2186 {
2187 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2188 struct pipe_context *pipe = ctx->base.pipe;
2189 struct pipe_framebuffer_state fb_state;
2190 struct pipe_stencil_ref sr = { { 0 } };
2191 unsigned num_layers;
2192
2193 assert(dstsurf->texture);
2194 if (!dstsurf->texture)
2195 return;
2196
2197 /* check the saved state */
2198 util_blitter_set_running_flag(blitter);
2199 blitter_check_saved_vertex_states(ctx);
2200 blitter_check_saved_fragment_states(ctx);
2201 blitter_check_saved_fb_state(ctx);
2202 blitter_disable_render_cond(ctx);
2203
2204 /* bind states */
2205 pipe->bind_blend_state(pipe, ctx->blend[0][0]);
2206 if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) {
2207 sr.ref_value[0] = stencil & 0xff;
2208 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
2209 pipe->set_stencil_ref(pipe, &sr);
2210 }
2211 else if (clear_flags & PIPE_CLEAR_DEPTH) {
2212 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil);
2213 }
2214 else if (clear_flags & PIPE_CLEAR_STENCIL) {
2215 sr.ref_value[0] = stencil & 0xff;
2216 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
2217 pipe->set_stencil_ref(pipe, &sr);
2218 }
2219 else
2220 /* hmm that should be illegal probably, or make it a no-op somewhere */
2221 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
2222
2223 bind_fs_empty(ctx);
2224
2225 /* set a framebuffer state */
2226 fb_state.width = dstsurf->width;
2227 fb_state.height = dstsurf->height;
2228 fb_state.nr_cbufs = 0;
2229 fb_state.cbufs[0] = 0;
2230 fb_state.zsbuf = dstsurf;
2231 pipe->set_framebuffer_state(pipe, &fb_state);
2232 pipe->set_sample_mask(pipe, ~0);
2233
2234 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
2235
2236 num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1;
2237 if (num_layers > 1 && ctx->has_layered) {
2238 blitter_set_common_draw_rect_state(ctx, false);
2239 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_layered,
2240 dstx, dsty, dstx+width, dsty+height, depth,
2241 num_layers, UTIL_BLITTER_ATTRIB_NONE, NULL);
2242 } else {
2243 blitter_set_common_draw_rect_state(ctx, false);
2244 blitter->draw_rectangle(blitter, ctx->velem_state,
2245 get_vs_passthrough_pos,
2246 dstx, dsty, dstx+width, dsty+height, depth, 1,
2247 UTIL_BLITTER_ATTRIB_NONE, NULL);
2248 }
2249
2250 util_blitter_restore_vertex_states(blitter);
2251 util_blitter_restore_fragment_states(blitter);
2252 util_blitter_restore_fb_state(blitter);
2253 util_blitter_restore_render_cond(blitter);
2254 util_blitter_unset_running_flag(blitter);
2255 }
2256
2257 /* draw a rectangle across a region using a custom dsa stage - for r600g */
util_blitter_custom_depth_stencil(struct blitter_context * blitter,struct pipe_surface * zsurf,struct pipe_surface * cbsurf,unsigned sample_mask,void * dsa_stage,float depth)2258 void util_blitter_custom_depth_stencil(struct blitter_context *blitter,
2259 struct pipe_surface *zsurf,
2260 struct pipe_surface *cbsurf,
2261 unsigned sample_mask,
2262 void *dsa_stage, float depth)
2263 {
2264 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2265 struct pipe_context *pipe = ctx->base.pipe;
2266 struct pipe_framebuffer_state fb_state;
2267
2268 assert(zsurf->texture);
2269 if (!zsurf->texture)
2270 return;
2271
2272 /* check the saved state */
2273 util_blitter_set_running_flag(blitter);
2274 blitter_check_saved_vertex_states(ctx);
2275 blitter_check_saved_fragment_states(ctx);
2276 blitter_check_saved_fb_state(ctx);
2277 blitter_disable_render_cond(ctx);
2278
2279 /* bind states */
2280 pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA][0] :
2281 ctx->blend[0][0]);
2282 pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage);
2283 if (cbsurf)
2284 bind_fs_write_one_cbuf(ctx);
2285 else
2286 bind_fs_empty(ctx);
2287
2288 /* set a framebuffer state */
2289 fb_state.width = zsurf->width;
2290 fb_state.height = zsurf->height;
2291 fb_state.nr_cbufs = 1;
2292 if (cbsurf) {
2293 fb_state.cbufs[0] = cbsurf;
2294 fb_state.nr_cbufs = 1;
2295 } else {
2296 fb_state.cbufs[0] = NULL;
2297 fb_state.nr_cbufs = 0;
2298 }
2299 fb_state.zsbuf = zsurf;
2300 pipe->set_framebuffer_state(pipe, &fb_state);
2301 pipe->set_sample_mask(pipe, sample_mask);
2302
2303 blitter_set_common_draw_rect_state(ctx, false);
2304 blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height);
2305 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos,
2306 0, 0, zsurf->width, zsurf->height, depth,
2307 1, UTIL_BLITTER_ATTRIB_NONE, NULL);
2308
2309 util_blitter_restore_vertex_states(blitter);
2310 util_blitter_restore_fragment_states(blitter);
2311 util_blitter_restore_fb_state(blitter);
2312 util_blitter_restore_render_cond(blitter);
2313 util_blitter_unset_running_flag(blitter);
2314 }
2315
util_blitter_copy_buffer(struct blitter_context * blitter,struct pipe_resource * dst,unsigned dstx,struct pipe_resource * src,unsigned srcx,unsigned size)2316 void util_blitter_copy_buffer(struct blitter_context *blitter,
2317 struct pipe_resource *dst,
2318 unsigned dstx,
2319 struct pipe_resource *src,
2320 unsigned srcx,
2321 unsigned size)
2322 {
2323 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2324 struct pipe_context *pipe = ctx->base.pipe;
2325 struct pipe_vertex_buffer vb;
2326 struct pipe_stream_output_target *so_target;
2327 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0};
2328
2329 if (srcx >= src->width0 ||
2330 dstx >= dst->width0) {
2331 return;
2332 }
2333 if (srcx + size > src->width0) {
2334 size = src->width0 - srcx;
2335 }
2336 if (dstx + size > dst->width0) {
2337 size = dst->width0 - dstx;
2338 }
2339
2340 /* Drivers not capable of Stream Out should not call this function
2341 * in the first place. */
2342 assert(ctx->has_stream_out);
2343
2344 /* Some alignment is required. */
2345 if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 ||
2346 !ctx->has_stream_out) {
2347 struct pipe_box box;
2348 u_box_1d(srcx, size, &box);
2349 util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box);
2350 return;
2351 }
2352
2353 util_blitter_set_running_flag(blitter);
2354 blitter_check_saved_vertex_states(ctx);
2355 blitter_disable_render_cond(ctx);
2356
2357 vb.is_user_buffer = false;
2358 vb.buffer.resource = src;
2359 vb.buffer_offset = srcx;
2360 vb.stride = 4;
2361
2362 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
2363 pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]);
2364 bind_vs_pos_only(ctx, 1);
2365 if (ctx->has_geometry_shader)
2366 pipe->bind_gs_state(pipe, NULL);
2367 if (ctx->has_tessellation) {
2368 pipe->bind_tcs_state(pipe, NULL);
2369 pipe->bind_tes_state(pipe, NULL);
2370 }
2371 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state);
2372
2373 so_target = pipe->create_stream_output_target(pipe, dst, dstx, size);
2374 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets);
2375
2376 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
2377
2378 util_blitter_restore_vertex_states(blitter);
2379 util_blitter_restore_render_cond(blitter);
2380 util_blitter_unset_running_flag(blitter);
2381 pipe_so_target_reference(&so_target, NULL);
2382 }
2383
util_blitter_clear_buffer(struct blitter_context * blitter,struct pipe_resource * dst,unsigned offset,unsigned size,unsigned num_channels,const union pipe_color_union * clear_value)2384 void util_blitter_clear_buffer(struct blitter_context *blitter,
2385 struct pipe_resource *dst,
2386 unsigned offset, unsigned size,
2387 unsigned num_channels,
2388 const union pipe_color_union *clear_value)
2389 {
2390 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2391 struct pipe_context *pipe = ctx->base.pipe;
2392 struct pipe_vertex_buffer vb = {0};
2393 struct pipe_stream_output_target *so_target = NULL;
2394 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0};
2395
2396 assert(num_channels >= 1);
2397 assert(num_channels <= 4);
2398
2399 /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE!
2400 *
2401 * R600 uses this to initialize texture resources, so width0 might not be
2402 * what you think it is.
2403 */
2404
2405 /* Streamout is required. */
2406 if (!ctx->has_stream_out) {
2407 assert(!"Streamout unsupported in util_blitter_clear_buffer()");
2408 return;
2409 }
2410
2411 /* Some alignment is required. */
2412 if (offset % 4 != 0 || size % 4 != 0) {
2413 assert(!"Bad alignment in util_blitter_clear_buffer()");
2414 return;
2415 }
2416
2417 u_upload_data(pipe->stream_uploader, 0, num_channels*4, 4, clear_value,
2418 &vb.buffer_offset, &vb.buffer.resource);
2419 if (!vb.buffer.resource)
2420 goto out;
2421
2422 vb.stride = 0;
2423
2424 util_blitter_set_running_flag(blitter);
2425 blitter_check_saved_vertex_states(ctx);
2426 blitter_disable_render_cond(ctx);
2427
2428 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
2429 pipe->bind_vertex_elements_state(pipe,
2430 ctx->velem_state_readbuf[num_channels-1]);
2431 bind_vs_pos_only(ctx, num_channels);
2432 if (ctx->has_geometry_shader)
2433 pipe->bind_gs_state(pipe, NULL);
2434 if (ctx->has_tessellation) {
2435 pipe->bind_tcs_state(pipe, NULL);
2436 pipe->bind_tes_state(pipe, NULL);
2437 }
2438 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state);
2439
2440 so_target = pipe->create_stream_output_target(pipe, dst, offset, size);
2441 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets);
2442
2443 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
2444
2445 out:
2446 util_blitter_restore_vertex_states(blitter);
2447 util_blitter_restore_render_cond(blitter);
2448 util_blitter_unset_running_flag(blitter);
2449 pipe_so_target_reference(&so_target, NULL);
2450 pipe_resource_reference(&vb.buffer.resource, NULL);
2451 }
2452
2453 /* probably radeon specific */
util_blitter_custom_resolve_color(struct blitter_context * blitter,struct pipe_resource * dst,unsigned dst_level,unsigned dst_layer,struct pipe_resource * src,unsigned src_layer,unsigned sample_mask,void * custom_blend,enum pipe_format format)2454 void util_blitter_custom_resolve_color(struct blitter_context *blitter,
2455 struct pipe_resource *dst,
2456 unsigned dst_level,
2457 unsigned dst_layer,
2458 struct pipe_resource *src,
2459 unsigned src_layer,
2460 unsigned sample_mask,
2461 void *custom_blend,
2462 enum pipe_format format)
2463 {
2464 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2465 struct pipe_context *pipe = ctx->base.pipe;
2466 struct pipe_framebuffer_state fb_state;
2467 struct pipe_surface *srcsurf, *dstsurf, surf_tmpl;
2468
2469 util_blitter_set_running_flag(blitter);
2470 blitter_check_saved_vertex_states(ctx);
2471 blitter_check_saved_fragment_states(ctx);
2472 blitter_disable_render_cond(ctx);
2473
2474 /* bind states */
2475 pipe->bind_blend_state(pipe, custom_blend);
2476 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
2477 bind_fs_write_one_cbuf(ctx);
2478 pipe->set_sample_mask(pipe, sample_mask);
2479
2480 memset(&surf_tmpl, 0, sizeof(surf_tmpl));
2481 surf_tmpl.format = format;
2482 surf_tmpl.u.tex.level = dst_level;
2483 surf_tmpl.u.tex.first_layer = dst_layer;
2484 surf_tmpl.u.tex.last_layer = dst_layer;
2485
2486 dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl);
2487
2488 surf_tmpl.u.tex.level = 0;
2489 surf_tmpl.u.tex.first_layer = src_layer;
2490 surf_tmpl.u.tex.last_layer = src_layer;
2491
2492 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl);
2493
2494 /* set a framebuffer state */
2495 fb_state.width = src->width0;
2496 fb_state.height = src->height0;
2497 fb_state.nr_cbufs = 2;
2498 fb_state.cbufs[0] = srcsurf;
2499 fb_state.cbufs[1] = dstsurf;
2500 fb_state.zsbuf = NULL;
2501 pipe->set_framebuffer_state(pipe, &fb_state);
2502
2503 blitter_set_common_draw_rect_state(ctx, false);
2504 blitter_set_dst_dimensions(ctx, src->width0, src->height0);
2505 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos,
2506 0, 0, src->width0, src->height0,
2507 0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL);
2508 util_blitter_restore_fb_state(blitter);
2509 util_blitter_restore_vertex_states(blitter);
2510 util_blitter_restore_fragment_states(blitter);
2511 util_blitter_restore_render_cond(blitter);
2512 util_blitter_unset_running_flag(blitter);
2513
2514 pipe_surface_reference(&srcsurf, NULL);
2515 pipe_surface_reference(&dstsurf, NULL);
2516 }
2517
util_blitter_custom_color(struct blitter_context * blitter,struct pipe_surface * dstsurf,void * custom_blend)2518 void util_blitter_custom_color(struct blitter_context *blitter,
2519 struct pipe_surface *dstsurf,
2520 void *custom_blend)
2521 {
2522 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
2523 struct pipe_context *pipe = ctx->base.pipe;
2524 struct pipe_framebuffer_state fb_state;
2525
2526 assert(dstsurf->texture);
2527 if (!dstsurf->texture)
2528 return;
2529
2530 /* check the saved state */
2531 util_blitter_set_running_flag(blitter);
2532 blitter_check_saved_vertex_states(ctx);
2533 blitter_check_saved_fragment_states(ctx);
2534 blitter_check_saved_fb_state(ctx);
2535 blitter_disable_render_cond(ctx);
2536
2537 /* bind states */
2538 pipe->bind_blend_state(pipe, custom_blend ? custom_blend
2539 : ctx->blend[PIPE_MASK_RGBA][0]);
2540 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
2541 bind_fs_write_one_cbuf(ctx);
2542 pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1);
2543
2544 /* set a framebuffer state */
2545 fb_state.width = dstsurf->width;
2546 fb_state.height = dstsurf->height;
2547 fb_state.nr_cbufs = 1;
2548 fb_state.cbufs[0] = dstsurf;
2549 fb_state.zsbuf = 0;
2550 pipe->set_framebuffer_state(pipe, &fb_state);
2551 pipe->set_sample_mask(pipe, ~0);
2552
2553 blitter_set_common_draw_rect_state(ctx, false);
2554 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
2555 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos,
2556 0, 0, dstsurf->width, dstsurf->height,
2557 0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL);
2558
2559 util_blitter_restore_vertex_states(blitter);
2560 util_blitter_restore_fragment_states(blitter);
2561 util_blitter_restore_fb_state(blitter);
2562 util_blitter_restore_render_cond(blitter);
2563 util_blitter_unset_running_flag(blitter);
2564 }
2565