1 /**************************************************************************
3 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 **************************************************************************/
29 * Blitter utility to facilitate acceleration of the clear, clear_render_target,
30 * clear_depth_stencil, resource_copy_region, and blit functions.
35 #include "pipe/p_context.h"
36 #include "pipe/p_defines.h"
37 #include "util/u_inlines.h"
38 #include "pipe/p_shader_tokens.h"
39 #include "pipe/p_state.h"
41 #include "util/u_format.h"
42 #include "util/u_memory.h"
43 #include "util/u_math.h"
44 #include "util/u_blitter.h"
45 #include "util/u_draw_quad.h"
46 #include "util/u_sampler.h"
47 #include "util/u_simple_shaders.h"
48 #include "util/u_surface.h"
49 #include "util/u_texture.h"
50 #include "util/u_upload_mgr.h"
52 #define INVALID_PTR ((void*)~0)
54 #define GET_CLEAR_BLEND_STATE_IDX(clear_buffers) \
55 ((clear_buffers) / PIPE_CLEAR_COLOR0)
57 #define NUM_RESOLVE_FRAG_SHADERS 5 /* MSAA 2x, 4x, 8x, 16x, 32x */
58 #define GET_MSAA_RESOLVE_FS_IDX(nr_samples) (util_logbase2(nr_samples)-1)
60 struct blitter_context_priv
62 struct blitter_context base
;
64 float vertices
[4][2][4]; /**< {pos, color} or {pos, texcoord} */
66 /* Templates for various state objects. */
68 /* Constant state objects. */
70 void *vs
; /**< Vertex shader which passes {pos, generic} to the output.*/
72 void *vs_pos_only
[4]; /**< Vertex shader which passes pos to the output
73 for clear_buffer/copy_buffer.*/
74 void *vs_layered
; /**< Vertex shader which sets LAYER = INSTANCEID. */
76 /* Fragment shaders. */
78 void *fs_write_one_cbuf
;
79 void *fs_write_all_cbufs
;
81 /* FS which outputs a color from a texture where
82 * the 1st index indicates the texture type / destination type,
83 * the 2nd index is the PIPE_TEXTURE_* to be sampled,
84 * the 3rd index is 0 = use TEX, 1 = use TXF.
86 void *fs_texfetch_col
[5][PIPE_MAX_TEXTURE_TYPES
][2];
88 /* FS which outputs a depth from a texture, where
89 * the 1st index is the PIPE_TEXTURE_* to be sampled,
90 * the 2nd index is 0 = use TEX, 1 = use TXF.
92 void *fs_texfetch_depth
[PIPE_MAX_TEXTURE_TYPES
][2];
93 void *fs_texfetch_depthstencil
[PIPE_MAX_TEXTURE_TYPES
][2];
94 void *fs_texfetch_stencil
[PIPE_MAX_TEXTURE_TYPES
][2];
96 /* FS which outputs one sample from a multisample texture. */
97 void *fs_texfetch_col_msaa
[5][PIPE_MAX_TEXTURE_TYPES
];
98 void *fs_texfetch_depth_msaa
[PIPE_MAX_TEXTURE_TYPES
];
99 void *fs_texfetch_depthstencil_msaa
[PIPE_MAX_TEXTURE_TYPES
];
100 void *fs_texfetch_stencil_msaa
[PIPE_MAX_TEXTURE_TYPES
];
102 /* FS which outputs an average of all samples. */
103 void *fs_resolve
[PIPE_MAX_TEXTURE_TYPES
][NUM_RESOLVE_FRAG_SHADERS
][2];
105 /* FS which unpacks color to ZS or packs ZS to color, matching
106 * the ZS format. See util_blitter_get_color_format_for_zs().
108 void *fs_pack_color_zs
[TGSI_TEXTURE_COUNT
][10];
111 void *blend
[PIPE_MASK_RGBA
+1][2]; /**< blend state with writemask */
112 void *blend_clear
[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR
)+1];
114 /* Depth stencil alpha state. */
115 void *dsa_write_depth_stencil
;
116 void *dsa_write_depth_keep_stencil
;
117 void *dsa_keep_depth_stencil
;
118 void *dsa_keep_depth_write_stencil
;
120 /* Vertex elements states. */
122 void *velem_state_readbuf
[4]; /**< X, XY, XYZ, XYZW */
126 void *sampler_state_linear
;
127 void *sampler_state_rect
;
128 void *sampler_state_rect_linear
;
130 /* Rasterizer state. */
131 void *rs_state
[2][2]; /**< [scissor][msaa] */
132 void *rs_discard_state
;
134 /* Destination surface dimensions. */
140 bool has_geometry_shader
;
141 bool has_tessellation
;
144 bool has_stencil_export
;
145 bool has_texture_multisample
;
148 bool cube_as_2darray
;
149 bool cached_all_shaders
;
151 /* The Draw module overrides these functions.
152 * Always create the blitter before Draw. */
153 void (*bind_fs_state
)(struct pipe_context
*, void *);
154 void (*delete_fs_state
)(struct pipe_context
*, void *);
157 struct blitter_context
*util_blitter_create(struct pipe_context
*pipe
)
159 struct blitter_context_priv
*ctx
;
160 struct pipe_blend_state blend
;
161 struct pipe_depth_stencil_alpha_state dsa
;
162 struct pipe_rasterizer_state rs_state
;
163 struct pipe_sampler_state sampler_state
;
164 struct pipe_vertex_element velem
[2];
167 ctx
= CALLOC_STRUCT(blitter_context_priv
);
171 ctx
->base
.pipe
= pipe
;
172 ctx
->base
.draw_rectangle
= util_blitter_draw_rectangle
;
174 ctx
->bind_fs_state
= pipe
->bind_fs_state
;
175 ctx
->delete_fs_state
= pipe
->delete_fs_state
;
177 /* init state objects for them to be considered invalid */
178 ctx
->base
.saved_blend_state
= INVALID_PTR
;
179 ctx
->base
.saved_dsa_state
= INVALID_PTR
;
180 ctx
->base
.saved_rs_state
= INVALID_PTR
;
181 ctx
->base
.saved_fs
= INVALID_PTR
;
182 ctx
->base
.saved_vs
= INVALID_PTR
;
183 ctx
->base
.saved_gs
= INVALID_PTR
;
184 ctx
->base
.saved_velem_state
= INVALID_PTR
;
185 ctx
->base
.saved_fb_state
.nr_cbufs
= ~0;
186 ctx
->base
.saved_num_sampler_views
= ~0;
187 ctx
->base
.saved_num_sampler_states
= ~0;
188 ctx
->base
.saved_num_so_targets
= ~0;
190 ctx
->has_geometry_shader
=
191 pipe
->screen
->get_shader_param(pipe
->screen
, PIPE_SHADER_GEOMETRY
,
192 PIPE_SHADER_CAP_MAX_INSTRUCTIONS
) > 0;
194 ctx
->has_tessellation
=
195 pipe
->screen
->get_shader_param(pipe
->screen
, PIPE_SHADER_TESS_CTRL
,
196 PIPE_SHADER_CAP_MAX_INSTRUCTIONS
) > 0;
198 ctx
->has_stream_out
=
199 pipe
->screen
->get_param(pipe
->screen
,
200 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
) != 0;
202 ctx
->has_stencil_export
=
203 pipe
->screen
->get_param(pipe
->screen
,
204 PIPE_CAP_SHADER_STENCIL_EXPORT
);
206 ctx
->has_texture_multisample
=
207 pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_TEXTURE_MULTISAMPLE
);
209 ctx
->has_tex_lz
= pipe
->screen
->get_param(pipe
->screen
,
210 PIPE_CAP_TGSI_TEX_TXF_LZ
);
211 ctx
->has_txf
= pipe
->screen
->get_param(pipe
->screen
,
212 PIPE_CAP_GLSL_FEATURE_LEVEL
) > 130;
213 ctx
->cube_as_2darray
= pipe
->screen
->get_param(pipe
->screen
,
214 PIPE_CAP_SAMPLER_VIEW_TARGET
);
216 /* blend state objects */
217 memset(&blend
, 0, sizeof(blend
));
219 for (i
= 0; i
<= PIPE_MASK_RGBA
; i
++) {
220 for (j
= 0; j
< 2; j
++) {
221 memset(&blend
.rt
[0], 0, sizeof(blend
.rt
[0]));
222 blend
.rt
[0].colormask
= i
;
224 blend
.rt
[0].blend_enable
= 1;
225 blend
.rt
[0].rgb_func
= PIPE_BLEND_ADD
;
226 blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
227 blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
228 blend
.rt
[0].alpha_func
= PIPE_BLEND_ADD
;
229 blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
230 blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
232 ctx
->blend
[i
][j
] = pipe
->create_blend_state(pipe
, &blend
);
236 /* depth stencil alpha state objects */
237 memset(&dsa
, 0, sizeof(dsa
));
238 ctx
->dsa_keep_depth_stencil
=
239 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
241 dsa
.depth
.enabled
= 1;
242 dsa
.depth
.writemask
= 1;
243 dsa
.depth
.func
= PIPE_FUNC_ALWAYS
;
244 ctx
->dsa_write_depth_keep_stencil
=
245 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
247 dsa
.stencil
[0].enabled
= 1;
248 dsa
.stencil
[0].func
= PIPE_FUNC_ALWAYS
;
249 dsa
.stencil
[0].fail_op
= PIPE_STENCIL_OP_REPLACE
;
250 dsa
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_REPLACE
;
251 dsa
.stencil
[0].zfail_op
= PIPE_STENCIL_OP_REPLACE
;
252 dsa
.stencil
[0].valuemask
= 0xff;
253 dsa
.stencil
[0].writemask
= 0xff;
254 ctx
->dsa_write_depth_stencil
=
255 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
257 dsa
.depth
.enabled
= 0;
258 dsa
.depth
.writemask
= 0;
259 ctx
->dsa_keep_depth_write_stencil
=
260 pipe
->create_depth_stencil_alpha_state(pipe
, &dsa
);
263 memset(&sampler_state
, 0, sizeof(sampler_state
));
264 sampler_state
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
265 sampler_state
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
266 sampler_state
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
267 sampler_state
.normalized_coords
= 1;
268 ctx
->sampler_state
= pipe
->create_sampler_state(pipe
, &sampler_state
);
269 sampler_state
.normalized_coords
= 0;
270 ctx
->sampler_state_rect
= pipe
->create_sampler_state(pipe
, &sampler_state
);
272 sampler_state
.min_img_filter
= PIPE_TEX_FILTER_LINEAR
;
273 sampler_state
.mag_img_filter
= PIPE_TEX_FILTER_LINEAR
;
274 sampler_state
.normalized_coords
= 1;
275 ctx
->sampler_state_linear
= pipe
->create_sampler_state(pipe
, &sampler_state
);
276 sampler_state
.normalized_coords
= 0;
277 ctx
->sampler_state_rect_linear
= pipe
->create_sampler_state(pipe
, &sampler_state
);
279 /* rasterizer state */
280 memset(&rs_state
, 0, sizeof(rs_state
));
281 rs_state
.cull_face
= PIPE_FACE_NONE
;
282 rs_state
.half_pixel_center
= 1;
283 rs_state
.bottom_edge_rule
= 1;
284 rs_state
.flatshade
= 1;
285 rs_state
.depth_clip_near
= 1;
286 rs_state
.depth_clip_far
= 1;
288 unsigned scissor
, msaa
;
289 for (scissor
= 0; scissor
< 2; scissor
++) {
290 for (msaa
= 0; msaa
< 2; msaa
++) {
291 rs_state
.scissor
= scissor
;
292 rs_state
.multisample
= msaa
;
293 ctx
->rs_state
[scissor
][msaa
] =
294 pipe
->create_rasterizer_state(pipe
, &rs_state
);
298 if (ctx
->has_stream_out
) {
299 rs_state
.scissor
= rs_state
.multisample
= 0;
300 rs_state
.rasterizer_discard
= 1;
301 ctx
->rs_discard_state
= pipe
->create_rasterizer_state(pipe
, &rs_state
);
304 ctx
->base
.cb_slot
= 0; /* 0 for now */
305 ctx
->base
.vb_slot
= 0; /* 0 for now */
307 /* vertex elements states */
308 memset(&velem
[0], 0, sizeof(velem
[0]) * 2);
309 for (i
= 0; i
< 2; i
++) {
310 velem
[i
].src_offset
= i
* 4 * sizeof(float);
311 velem
[i
].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
312 velem
[i
].vertex_buffer_index
= ctx
->base
.vb_slot
;
314 ctx
->velem_state
= pipe
->create_vertex_elements_state(pipe
, 2, &velem
[0]);
316 if (ctx
->has_stream_out
) {
317 static enum pipe_format formats
[4] = {
318 PIPE_FORMAT_R32_UINT
,
319 PIPE_FORMAT_R32G32_UINT
,
320 PIPE_FORMAT_R32G32B32_UINT
,
321 PIPE_FORMAT_R32G32B32A32_UINT
324 for (i
= 0; i
< 4; i
++) {
325 velem
[0].src_format
= formats
[i
];
326 velem
[0].vertex_buffer_index
= ctx
->base
.vb_slot
;
327 ctx
->velem_state_readbuf
[i
] =
328 pipe
->create_vertex_elements_state(pipe
, 1, &velem
[0]);
333 pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_TGSI_INSTANCEID
) &&
334 pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
);
336 /* set invariant vertex coordinates */
337 for (i
= 0; i
< 4; i
++) {
338 ctx
->vertices
[i
][0][2] = 0; /*v.z*/
339 ctx
->vertices
[i
][0][3] = 1; /*v.w*/
345 void *util_blitter_get_noop_blend_state(struct blitter_context
*blitter
)
347 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
349 return ctx
->blend
[0][0];
352 void *util_blitter_get_noop_dsa_state(struct blitter_context
*blitter
)
354 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
356 return ctx
->dsa_keep_depth_stencil
;
359 void *util_blitter_get_discard_rasterizer_state(struct blitter_context
*blitter
)
361 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
363 return ctx
->rs_discard_state
;
366 static void bind_vs_pos_only(struct blitter_context_priv
*ctx
,
367 unsigned num_so_channels
)
369 struct pipe_context
*pipe
= ctx
->base
.pipe
;
370 int index
= num_so_channels
? num_so_channels
- 1 : 0;
372 if (!ctx
->vs_pos_only
[index
]) {
373 struct pipe_stream_output_info so
;
374 static const enum tgsi_semantic semantic_names
[] =
375 { TGSI_SEMANTIC_POSITION
};
376 const uint semantic_indices
[] = { 0 };
378 memset(&so
, 0, sizeof(so
));
380 so
.output
[0].num_components
= num_so_channels
;
381 so
.stride
[0] = num_so_channels
;
383 ctx
->vs_pos_only
[index
] =
384 util_make_vertex_passthrough_shader_with_so(pipe
, 1, semantic_names
,
385 semantic_indices
, false,
389 pipe
->bind_vs_state(pipe
, ctx
->vs_pos_only
[index
]);
392 static void *get_vs_passthrough_pos_generic(struct blitter_context
*blitter
)
394 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
395 struct pipe_context
*pipe
= ctx
->base
.pipe
;
398 static const enum tgsi_semantic semantic_names
[] =
399 { TGSI_SEMANTIC_POSITION
, TGSI_SEMANTIC_GENERIC
};
400 const uint semantic_indices
[] = { 0, 0 };
402 util_make_vertex_passthrough_shader(pipe
, 2, semantic_names
,
403 semantic_indices
, false);
408 static void *get_vs_passthrough_pos(struct blitter_context
*blitter
)
410 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
411 struct pipe_context
*pipe
= ctx
->base
.pipe
;
413 if (!ctx
->vs_nogeneric
) {
414 static const enum tgsi_semantic semantic_names
[] =
415 { TGSI_SEMANTIC_POSITION
};
416 const uint semantic_indices
[] = { 0 };
419 util_make_vertex_passthrough_shader(pipe
, 1,
421 semantic_indices
, false);
423 return ctx
->vs_nogeneric
;
426 static void *get_vs_layered(struct blitter_context
*blitter
)
428 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
429 struct pipe_context
*pipe
= ctx
->base
.pipe
;
431 if (!ctx
->vs_layered
) {
432 ctx
->vs_layered
= util_make_layered_clear_vertex_shader(pipe
);
434 return ctx
->vs_layered
;
437 static void bind_fs_empty(struct blitter_context_priv
*ctx
)
439 struct pipe_context
*pipe
= ctx
->base
.pipe
;
441 if (!ctx
->fs_empty
) {
442 assert(!ctx
->cached_all_shaders
);
443 ctx
->fs_empty
= util_make_empty_fragment_shader(pipe
);
446 ctx
->bind_fs_state(pipe
, ctx
->fs_empty
);
449 static void bind_fs_write_one_cbuf(struct blitter_context_priv
*ctx
)
451 struct pipe_context
*pipe
= ctx
->base
.pipe
;
453 if (!ctx
->fs_write_one_cbuf
) {
454 assert(!ctx
->cached_all_shaders
);
455 ctx
->fs_write_one_cbuf
=
456 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
457 TGSI_INTERPOLATE_CONSTANT
, false);
460 ctx
->bind_fs_state(pipe
, ctx
->fs_write_one_cbuf
);
463 static void bind_fs_write_all_cbufs(struct blitter_context_priv
*ctx
)
465 struct pipe_context
*pipe
= ctx
->base
.pipe
;
467 if (!ctx
->fs_write_all_cbufs
) {
468 assert(!ctx
->cached_all_shaders
);
469 ctx
->fs_write_all_cbufs
=
470 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
471 TGSI_INTERPOLATE_CONSTANT
, true);
474 ctx
->bind_fs_state(pipe
, ctx
->fs_write_all_cbufs
);
477 void util_blitter_destroy(struct blitter_context
*blitter
)
479 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
480 struct pipe_context
*pipe
= blitter
->pipe
;
483 for (i
= 0; i
<= PIPE_MASK_RGBA
; i
++)
484 for (j
= 0; j
< 2; j
++)
485 pipe
->delete_blend_state(pipe
, ctx
->blend
[i
][j
]);
487 for (i
= 0; i
< ARRAY_SIZE(ctx
->blend_clear
); i
++) {
488 if (ctx
->blend_clear
[i
])
489 pipe
->delete_blend_state(pipe
, ctx
->blend_clear
[i
]);
491 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
492 pipe
->delete_depth_stencil_alpha_state(pipe
,
493 ctx
->dsa_write_depth_keep_stencil
);
494 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
495 pipe
->delete_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
497 unsigned scissor
, msaa
;
498 for (scissor
= 0; scissor
< 2; scissor
++) {
499 for (msaa
= 0; msaa
< 2; msaa
++) {
500 pipe
->delete_rasterizer_state(pipe
, ctx
->rs_state
[scissor
][msaa
]);
504 if (ctx
->rs_discard_state
)
505 pipe
->delete_rasterizer_state(pipe
, ctx
->rs_discard_state
);
507 pipe
->delete_vs_state(pipe
, ctx
->vs
);
508 if (ctx
->vs_nogeneric
)
509 pipe
->delete_vs_state(pipe
, ctx
->vs_nogeneric
);
510 for (i
= 0; i
< 4; i
++)
511 if (ctx
->vs_pos_only
[i
])
512 pipe
->delete_vs_state(pipe
, ctx
->vs_pos_only
[i
]);
514 pipe
->delete_vs_state(pipe
, ctx
->vs_layered
);
515 pipe
->delete_vertex_elements_state(pipe
, ctx
->velem_state
);
516 for (i
= 0; i
< 4; i
++) {
517 if (ctx
->velem_state_readbuf
[i
]) {
518 pipe
->delete_vertex_elements_state(pipe
, ctx
->velem_state_readbuf
[i
]);
522 for (i
= 0; i
< PIPE_MAX_TEXTURE_TYPES
; i
++) {
523 for (unsigned type
= 0; type
< ARRAY_SIZE(ctx
->fs_texfetch_col
); ++type
) {
524 for (unsigned inst
= 0; inst
< 2; inst
++) {
525 if (ctx
->fs_texfetch_col
[type
][i
][inst
])
526 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_col
[type
][i
][inst
]);
528 if (ctx
->fs_texfetch_col_msaa
[type
][i
])
529 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_col_msaa
[type
][i
]);
532 for (unsigned inst
= 0; inst
< 2; inst
++) {
533 if (ctx
->fs_texfetch_depth
[i
][inst
])
534 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depth
[i
][inst
]);
535 if (ctx
->fs_texfetch_depthstencil
[i
][inst
])
536 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depthstencil
[i
][inst
]);
537 if (ctx
->fs_texfetch_stencil
[i
][inst
])
538 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_stencil
[i
][inst
]);
541 if (ctx
->fs_texfetch_depth_msaa
[i
])
542 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depth_msaa
[i
]);
543 if (ctx
->fs_texfetch_depthstencil_msaa
[i
])
544 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_depthstencil_msaa
[i
]);
545 if (ctx
->fs_texfetch_stencil_msaa
[i
])
546 ctx
->delete_fs_state(pipe
, ctx
->fs_texfetch_stencil_msaa
[i
]);
548 for (j
= 0; j
< ARRAY_SIZE(ctx
->fs_resolve
[i
]); j
++)
549 for (f
= 0; f
< 2; f
++)
550 if (ctx
->fs_resolve
[i
][j
][f
])
551 ctx
->delete_fs_state(pipe
, ctx
->fs_resolve
[i
][j
][f
]);
554 for (i
= 0; i
< ARRAY_SIZE(ctx
->fs_pack_color_zs
); i
++) {
555 for (j
= 0; j
< ARRAY_SIZE(ctx
->fs_pack_color_zs
[0]); j
++) {
556 if (ctx
->fs_pack_color_zs
[i
][j
])
557 ctx
->delete_fs_state(pipe
, ctx
->fs_pack_color_zs
[i
][j
]);
562 ctx
->delete_fs_state(pipe
, ctx
->fs_empty
);
563 if (ctx
->fs_write_one_cbuf
)
564 ctx
->delete_fs_state(pipe
, ctx
->fs_write_one_cbuf
);
565 if (ctx
->fs_write_all_cbufs
)
566 ctx
->delete_fs_state(pipe
, ctx
->fs_write_all_cbufs
);
568 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state_rect_linear
);
569 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state_rect
);
570 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state_linear
);
571 pipe
->delete_sampler_state(pipe
, ctx
->sampler_state
);
575 void util_blitter_set_texture_multisample(struct blitter_context
*blitter
,
578 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
580 ctx
->has_texture_multisample
= supported
;
583 void util_blitter_set_running_flag(struct blitter_context
*blitter
)
585 if (blitter
->running
) {
586 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
589 blitter
->running
= true;
591 blitter
->pipe
->set_active_query_state(blitter
->pipe
, false);
594 void util_blitter_unset_running_flag(struct blitter_context
*blitter
)
596 if (!blitter
->running
) {
597 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
600 blitter
->running
= false;
602 blitter
->pipe
->set_active_query_state(blitter
->pipe
, true);
605 static void blitter_check_saved_vertex_states(ASSERTED
struct blitter_context_priv
*ctx
)
607 assert(ctx
->base
.saved_vs
!= INVALID_PTR
);
608 assert(!ctx
->has_geometry_shader
|| ctx
->base
.saved_gs
!= INVALID_PTR
);
609 assert(!ctx
->has_tessellation
|| ctx
->base
.saved_tcs
!= INVALID_PTR
);
610 assert(!ctx
->has_tessellation
|| ctx
->base
.saved_tes
!= INVALID_PTR
);
611 assert(!ctx
->has_stream_out
|| ctx
->base
.saved_num_so_targets
!= ~0u);
612 assert(ctx
->base
.saved_rs_state
!= INVALID_PTR
);
615 void util_blitter_restore_vertex_states(struct blitter_context
*blitter
)
617 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
618 struct pipe_context
*pipe
= ctx
->base
.pipe
;
622 if (ctx
->base
.saved_vertex_buffer
.buffer
.resource
) {
623 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1,
624 &ctx
->base
.saved_vertex_buffer
);
625 pipe_vertex_buffer_unreference(&ctx
->base
.saved_vertex_buffer
);
628 /* Vertex elements. */
629 if (ctx
->base
.saved_velem_state
!= INVALID_PTR
) {
630 pipe
->bind_vertex_elements_state(pipe
, ctx
->base
.saved_velem_state
);
631 ctx
->base
.saved_velem_state
= INVALID_PTR
;
635 pipe
->bind_vs_state(pipe
, ctx
->base
.saved_vs
);
636 ctx
->base
.saved_vs
= INVALID_PTR
;
638 /* Geometry shader. */
639 if (ctx
->has_geometry_shader
) {
640 pipe
->bind_gs_state(pipe
, ctx
->base
.saved_gs
);
641 ctx
->base
.saved_gs
= INVALID_PTR
;
644 if (ctx
->has_tessellation
) {
645 pipe
->bind_tcs_state(pipe
, ctx
->base
.saved_tcs
);
646 pipe
->bind_tes_state(pipe
, ctx
->base
.saved_tes
);
647 ctx
->base
.saved_tcs
= INVALID_PTR
;
648 ctx
->base
.saved_tes
= INVALID_PTR
;
651 /* Stream outputs. */
652 if (ctx
->has_stream_out
) {
653 unsigned offsets
[PIPE_MAX_SO_BUFFERS
];
654 for (i
= 0; i
< ctx
->base
.saved_num_so_targets
; i
++)
655 offsets
[i
] = (unsigned)-1;
656 pipe
->set_stream_output_targets(pipe
,
657 ctx
->base
.saved_num_so_targets
,
658 ctx
->base
.saved_so_targets
, offsets
);
660 for (i
= 0; i
< ctx
->base
.saved_num_so_targets
; i
++)
661 pipe_so_target_reference(&ctx
->base
.saved_so_targets
[i
], NULL
);
663 ctx
->base
.saved_num_so_targets
= ~0;
667 pipe
->bind_rasterizer_state(pipe
, ctx
->base
.saved_rs_state
);
668 ctx
->base
.saved_rs_state
= INVALID_PTR
;
671 static void blitter_check_saved_fragment_states(ASSERTED
struct blitter_context_priv
*ctx
)
673 assert(ctx
->base
.saved_fs
!= INVALID_PTR
);
674 assert(ctx
->base
.saved_dsa_state
!= INVALID_PTR
);
675 assert(ctx
->base
.saved_blend_state
!= INVALID_PTR
);
678 void util_blitter_restore_fragment_states(struct blitter_context
*blitter
)
680 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
681 struct pipe_context
*pipe
= ctx
->base
.pipe
;
683 /* Fragment shader. */
684 ctx
->bind_fs_state(pipe
, ctx
->base
.saved_fs
);
685 ctx
->base
.saved_fs
= INVALID_PTR
;
687 /* Depth, stencil, alpha. */
688 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->base
.saved_dsa_state
);
689 ctx
->base
.saved_dsa_state
= INVALID_PTR
;
692 pipe
->bind_blend_state(pipe
, ctx
->base
.saved_blend_state
);
693 ctx
->base
.saved_blend_state
= INVALID_PTR
;
696 if (ctx
->base
.is_sample_mask_saved
) {
697 pipe
->set_sample_mask(pipe
, ctx
->base
.saved_sample_mask
);
698 ctx
->base
.is_sample_mask_saved
= false;
701 /* Miscellaneous states. */
702 /* XXX check whether these are saved and whether they need to be restored
703 * (depending on the operation) */
704 pipe
->set_stencil_ref(pipe
, &ctx
->base
.saved_stencil_ref
);
706 if (!blitter
->skip_viewport_restore
)
707 pipe
->set_viewport_states(pipe
, 0, 1, &ctx
->base
.saved_viewport
);
709 if (blitter
->saved_num_window_rectangles
) {
710 pipe
->set_window_rectangles(pipe
,
711 blitter
->saved_window_rectangles_include
,
712 blitter
->saved_num_window_rectangles
,
713 blitter
->saved_window_rectangles
);
717 static void blitter_check_saved_fb_state(ASSERTED
struct blitter_context_priv
*ctx
)
719 assert(ctx
->base
.saved_fb_state
.nr_cbufs
!= (ubyte
) ~0);
722 static void blitter_disable_render_cond(struct blitter_context_priv
*ctx
)
724 struct pipe_context
*pipe
= ctx
->base
.pipe
;
726 if (ctx
->base
.saved_render_cond_query
) {
727 pipe
->render_condition(pipe
, NULL
, false, 0);
731 void util_blitter_restore_render_cond(struct blitter_context
*blitter
)
733 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
734 struct pipe_context
*pipe
= ctx
->base
.pipe
;
736 if (ctx
->base
.saved_render_cond_query
) {
737 pipe
->render_condition(pipe
, ctx
->base
.saved_render_cond_query
,
738 ctx
->base
.saved_render_cond_cond
,
739 ctx
->base
.saved_render_cond_mode
);
740 ctx
->base
.saved_render_cond_query
= NULL
;
744 void util_blitter_restore_fb_state(struct blitter_context
*blitter
)
746 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
747 struct pipe_context
*pipe
= ctx
->base
.pipe
;
749 pipe
->set_framebuffer_state(pipe
, &ctx
->base
.saved_fb_state
);
750 util_unreference_framebuffer_state(&ctx
->base
.saved_fb_state
);
753 static void blitter_check_saved_textures(ASSERTED
struct blitter_context_priv
*ctx
)
755 assert(ctx
->base
.saved_num_sampler_states
!= ~0u);
756 assert(ctx
->base
.saved_num_sampler_views
!= ~0u);
759 void util_blitter_restore_textures(struct blitter_context
*blitter
)
761 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
762 struct pipe_context
*pipe
= ctx
->base
.pipe
;
765 /* Fragment sampler states. */
766 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
, 0,
767 ctx
->base
.saved_num_sampler_states
,
768 ctx
->base
.saved_sampler_states
);
770 ctx
->base
.saved_num_sampler_states
= ~0;
772 /* Fragment sampler views. */
773 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0,
774 ctx
->base
.saved_num_sampler_views
,
775 ctx
->base
.saved_sampler_views
);
777 for (i
= 0; i
< ctx
->base
.saved_num_sampler_views
; i
++)
778 pipe_sampler_view_reference(&ctx
->base
.saved_sampler_views
[i
], NULL
);
780 ctx
->base
.saved_num_sampler_views
= ~0;
783 void util_blitter_restore_constant_buffer_state(struct blitter_context
*blitter
)
785 struct pipe_context
*pipe
= blitter
->pipe
;
787 pipe
->set_constant_buffer(pipe
, PIPE_SHADER_FRAGMENT
, blitter
->cb_slot
,
788 &blitter
->saved_fs_constant_buffer
);
789 pipe_resource_reference(&blitter
->saved_fs_constant_buffer
.buffer
, NULL
);
792 static void blitter_set_rectangle(struct blitter_context_priv
*ctx
,
793 int x1
, int y1
, int x2
, int y2
,
798 /* set vertex positions */
799 ctx
->vertices
[0][0][0] = (float)x1
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v0.x*/
800 ctx
->vertices
[0][0][1] = (float)y1
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v0.y*/
802 ctx
->vertices
[1][0][0] = (float)x2
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v1.x*/
803 ctx
->vertices
[1][0][1] = (float)y1
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v1.y*/
805 ctx
->vertices
[2][0][0] = (float)x2
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v2.x*/
806 ctx
->vertices
[2][0][1] = (float)y2
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v2.y*/
808 ctx
->vertices
[3][0][0] = (float)x1
/ ctx
->dst_width
* 2.0f
- 1.0f
; /*v3.x*/
809 ctx
->vertices
[3][0][1] = (float)y2
/ ctx
->dst_height
* 2.0f
- 1.0f
; /*v3.y*/
812 struct pipe_viewport_state viewport
;
813 viewport
.scale
[0] = 0.5f
* ctx
->dst_width
;
814 viewport
.scale
[1] = 0.5f
* ctx
->dst_height
;
815 viewport
.scale
[2] = 0.0f
;
816 viewport
.translate
[0] = 0.5f
* ctx
->dst_width
;
817 viewport
.translate
[1] = 0.5f
* ctx
->dst_height
;
818 viewport
.translate
[2] = depth
;
819 ctx
->base
.pipe
->set_viewport_states(ctx
->base
.pipe
, 0, 1, &viewport
);
822 static void blitter_set_clear_color(struct blitter_context_priv
*ctx
,
823 const float color
[4])
828 for (i
= 0; i
< 4; i
++)
829 memcpy(&ctx
->vertices
[i
][1][0], color
, sizeof(uint32_t) * 4);
831 for (i
= 0; i
< 4; i
++)
832 memset(&ctx
->vertices
[i
][1][0], 0, sizeof(uint32_t) * 4);
836 static void get_texcoords(struct pipe_sampler_view
*src
,
837 unsigned src_width0
, unsigned src_height0
,
838 int x1
, int y1
, int x2
, int y2
,
839 float layer
, unsigned sample
,
840 bool uses_txf
, union blitter_attrib
*out
)
842 unsigned level
= src
->u
.tex
.first_level
;
843 bool normalized
= !uses_txf
&&
844 src
->target
!= PIPE_TEXTURE_RECT
&&
845 src
->texture
->nr_samples
<= 1;
848 out
->texcoord
.x1
= x1
/ (float)u_minify(src_width0
, level
);
849 out
->texcoord
.y1
= y1
/ (float)u_minify(src_height0
, level
);
850 out
->texcoord
.x2
= x2
/ (float)u_minify(src_width0
, level
);
851 out
->texcoord
.y2
= y2
/ (float)u_minify(src_height0
, level
);
853 out
->texcoord
.x1
= x1
;
854 out
->texcoord
.y1
= y1
;
855 out
->texcoord
.x2
= x2
;
856 out
->texcoord
.y2
= y2
;
863 switch (src
->target
) {
864 case PIPE_TEXTURE_3D
:
869 r
/= u_minify(src
->texture
->depth0
, src
->u
.tex
.first_level
);
875 case PIPE_TEXTURE_1D_ARRAY
:
876 out
->texcoord
.y1
= out
->texcoord
.y2
= layer
;
879 case PIPE_TEXTURE_2D_ARRAY
:
880 out
->texcoord
.z
= layer
;
881 out
->texcoord
.w
= sample
;
884 case PIPE_TEXTURE_CUBE_ARRAY
:
885 out
->texcoord
.w
= (unsigned)layer
/ 6;
888 case PIPE_TEXTURE_2D
:
889 out
->texcoord
.w
= sample
;
896 static void blitter_set_dst_dimensions(struct blitter_context_priv
*ctx
,
897 unsigned width
, unsigned height
)
899 ctx
->dst_width
= width
;
900 ctx
->dst_height
= height
;
903 static void set_texcoords_in_vertices(const union blitter_attrib
*attrib
,
904 float *out
, unsigned stride
)
906 out
[0] = attrib
->texcoord
.x1
;
907 out
[1] = attrib
->texcoord
.y1
;
909 out
[0] = attrib
->texcoord
.x2
;
910 out
[1] = attrib
->texcoord
.y1
;
912 out
[0] = attrib
->texcoord
.x2
;
913 out
[1] = attrib
->texcoord
.y2
;
915 out
[0] = attrib
->texcoord
.x1
;
916 out
[1] = attrib
->texcoord
.y2
;
919 static void *blitter_get_fs_texfetch_col(struct blitter_context_priv
*ctx
,
920 enum pipe_format src_format
,
921 enum pipe_format dst_format
,
922 enum pipe_texture_target target
,
923 unsigned src_nr_samples
,
924 unsigned dst_nr_samples
,
928 struct pipe_context
*pipe
= ctx
->base
.pipe
;
929 enum tgsi_texture_type tgsi_tex
=
930 util_pipe_tex_to_tgsi_tex(target
, src_nr_samples
);
931 enum tgsi_return_type stype
;
932 enum tgsi_return_type dtype
;
935 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
937 if (util_format_is_pure_uint(src_format
)) {
938 stype
= TGSI_RETURN_TYPE_UINT
;
939 if (util_format_is_pure_uint(dst_format
)) {
940 dtype
= TGSI_RETURN_TYPE_UINT
;
943 assert(util_format_is_pure_sint(dst_format
));
944 dtype
= TGSI_RETURN_TYPE_SINT
;
947 } else if (util_format_is_pure_sint(src_format
)) {
948 stype
= TGSI_RETURN_TYPE_SINT
;
949 if (util_format_is_pure_sint(dst_format
)) {
950 dtype
= TGSI_RETURN_TYPE_SINT
;
953 assert(util_format_is_pure_uint(dst_format
));
954 dtype
= TGSI_RETURN_TYPE_UINT
;
958 assert(!util_format_is_pure_uint(dst_format
) &&
959 !util_format_is_pure_sint(dst_format
));
960 dtype
= stype
= TGSI_RETURN_TYPE_FLOAT
;
964 if (src_nr_samples
> 1) {
967 /* OpenGL requires that integer textures just copy 1 sample instead
970 if (dst_nr_samples
<= 1 &&
971 stype
!= TGSI_RETURN_TYPE_UINT
&&
972 stype
!= TGSI_RETURN_TYPE_SINT
) {
973 /* The destination has one sample, so we'll do color resolve. */
974 unsigned index
= GET_MSAA_RESOLVE_FS_IDX(src_nr_samples
);
978 shader
= &ctx
->fs_resolve
[target
][index
][filter
];
981 assert(!ctx
->cached_all_shaders
);
982 if (filter
== PIPE_TEX_FILTER_LINEAR
) {
983 *shader
= util_make_fs_msaa_resolve_bilinear(pipe
, tgsi_tex
,
988 *shader
= util_make_fs_msaa_resolve(pipe
, tgsi_tex
,
995 /* The destination has multiple samples, we'll do
996 * an MSAA->MSAA copy.
998 shader
= &ctx
->fs_texfetch_col_msaa
[type
][target
];
1000 /* Create the fragment shader on-demand. */
1002 assert(!ctx
->cached_all_shaders
);
1003 *shader
= util_make_fs_blit_msaa_color(pipe
, tgsi_tex
, stype
, dtype
);
1012 shader
= &ctx
->fs_texfetch_col
[type
][target
][1];
1014 shader
= &ctx
->fs_texfetch_col
[type
][target
][0];
1016 /* Create the fragment shader on-demand. */
1018 assert(!ctx
->cached_all_shaders
);
1019 *shader
= util_make_fragment_tex_shader(pipe
, tgsi_tex
,
1020 TGSI_INTERPOLATE_LINEAR
,
1022 ctx
->has_tex_lz
, use_txf
);
1030 void *blitter_get_fs_pack_color_zs(struct blitter_context_priv
*ctx
,
1031 enum pipe_texture_target target
,
1032 unsigned nr_samples
,
1033 enum pipe_format zs_format
,
1036 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1037 enum tgsi_texture_type tgsi_tex
=
1038 util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1039 int format_index
= zs_format
== PIPE_FORMAT_Z24_UNORM_S8_UINT
? 0 :
1040 zs_format
== PIPE_FORMAT_S8_UINT_Z24_UNORM
? 1 :
1041 zs_format
== PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
? 2 :
1042 zs_format
== PIPE_FORMAT_Z24X8_UNORM
? 3 :
1043 zs_format
== PIPE_FORMAT_X8Z24_UNORM
? 4 : -1;
1045 if (format_index
== -1) {
1050 /* The first 5 shaders pack ZS to color, the last 5 shaders unpack color
1056 void **shader
= &ctx
->fs_pack_color_zs
[tgsi_tex
][format_index
];
1058 /* Create the fragment shader on-demand. */
1060 assert(!ctx
->cached_all_shaders
);
1061 *shader
= util_make_fs_pack_color_zs(pipe
, tgsi_tex
, zs_format
,
1068 void *blitter_get_fs_texfetch_depth(struct blitter_context_priv
*ctx
,
1069 enum pipe_texture_target target
,
1070 unsigned nr_samples
,
1073 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1075 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
1077 if (nr_samples
> 1) {
1078 void **shader
= &ctx
->fs_texfetch_depth_msaa
[target
];
1080 /* Create the fragment shader on-demand. */
1082 enum tgsi_texture_type tgsi_tex
;
1083 assert(!ctx
->cached_all_shaders
);
1084 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1085 *shader
= util_make_fs_blit_msaa_depth(pipe
, tgsi_tex
);
1093 shader
= &ctx
->fs_texfetch_depth
[target
][1];
1095 shader
= &ctx
->fs_texfetch_depth
[target
][0];
1097 /* Create the fragment shader on-demand. */
1099 enum tgsi_texture_type tgsi_tex
;
1100 assert(!ctx
->cached_all_shaders
);
1101 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, 0);
1102 *shader
= util_make_fs_blit_zs(pipe
, PIPE_MASK_Z
, tgsi_tex
,
1103 ctx
->has_tex_lz
, use_txf
);
1111 void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv
*ctx
,
1112 enum pipe_texture_target target
,
1113 unsigned nr_samples
,
1116 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1118 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
1120 if (nr_samples
> 1) {
1121 void **shader
= &ctx
->fs_texfetch_depthstencil_msaa
[target
];
1123 /* Create the fragment shader on-demand. */
1125 enum tgsi_texture_type tgsi_tex
;
1126 assert(!ctx
->cached_all_shaders
);
1127 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1128 *shader
= util_make_fs_blit_msaa_depthstencil(pipe
, tgsi_tex
);
1136 shader
= &ctx
->fs_texfetch_depthstencil
[target
][1];
1138 shader
= &ctx
->fs_texfetch_depthstencil
[target
][0];
1140 /* Create the fragment shader on-demand. */
1142 enum tgsi_texture_type tgsi_tex
;
1143 assert(!ctx
->cached_all_shaders
);
1144 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, 0);
1145 *shader
= util_make_fs_blit_zs(pipe
, PIPE_MASK_ZS
, tgsi_tex
,
1146 ctx
->has_tex_lz
, use_txf
);
1154 void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv
*ctx
,
1155 enum pipe_texture_target target
,
1156 unsigned nr_samples
,
1159 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1161 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
1163 if (nr_samples
> 1) {
1164 void **shader
= &ctx
->fs_texfetch_stencil_msaa
[target
];
1166 /* Create the fragment shader on-demand. */
1168 enum tgsi_texture_type tgsi_tex
;
1169 assert(!ctx
->cached_all_shaders
);
1170 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, nr_samples
);
1171 *shader
= util_make_fs_blit_msaa_stencil(pipe
, tgsi_tex
);
1179 shader
= &ctx
->fs_texfetch_stencil
[target
][1];
1181 shader
= &ctx
->fs_texfetch_stencil
[target
][0];
1183 /* Create the fragment shader on-demand. */
1185 enum tgsi_texture_type tgsi_tex
;
1186 assert(!ctx
->cached_all_shaders
);
1187 tgsi_tex
= util_pipe_tex_to_tgsi_tex(target
, 0);
1188 *shader
= util_make_fs_blit_zs(pipe
, PIPE_MASK_S
, tgsi_tex
,
1189 ctx
->has_tex_lz
, use_txf
);
1198 * Generate and save all fragment shaders that we will ever need for
1199 * blitting. Drivers which use the 'draw' fallbacks will typically use
1200 * this to make sure we generate/use shaders that don't go through the
1201 * draw module's wrapper functions.
1203 void util_blitter_cache_all_shaders(struct blitter_context
*blitter
)
1205 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1206 struct pipe_context
*pipe
= blitter
->pipe
;
1207 struct pipe_screen
*screen
= pipe
->screen
;
1208 unsigned samples
, j
, f
, target
, max_samples
, use_txf
;
1209 bool has_arraytex
, has_cubearraytex
;
1211 max_samples
= ctx
->has_texture_multisample
? 2 : 1;
1212 has_arraytex
= screen
->get_param(screen
,
1213 PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
) != 0;
1214 has_cubearraytex
= screen
->get_param(screen
,
1215 PIPE_CAP_CUBE_MAP_ARRAY
) != 0;
1217 /* It only matters if i <= 1 or > 1. */
1218 for (samples
= 1; samples
<= max_samples
; samples
++) {
1219 for (target
= PIPE_TEXTURE_1D
; target
< PIPE_MAX_TEXTURE_TYPES
; target
++) {
1220 for (use_txf
= 0; use_txf
<= ctx
->has_txf
; use_txf
++) {
1221 if (!has_arraytex
&&
1222 (target
== PIPE_TEXTURE_1D_ARRAY
||
1223 target
== PIPE_TEXTURE_2D_ARRAY
)) {
1226 if (!has_cubearraytex
&&
1227 (target
== PIPE_TEXTURE_CUBE_ARRAY
))
1231 (target
!= PIPE_TEXTURE_2D
&&
1232 target
!= PIPE_TEXTURE_2D_ARRAY
))
1235 if (samples
> 1 && use_txf
)
1236 continue; /* TXF is the only option, use_txf has no effect */
1238 /* If samples == 1, the shaders read one texel. If samples >= 1,
1239 * they read one sample.
1241 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_FLOAT
,
1242 PIPE_FORMAT_R32_FLOAT
, target
,
1243 samples
, samples
, 0, use_txf
);
1244 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_UINT
,
1245 PIPE_FORMAT_R32_UINT
, target
,
1246 samples
, samples
, 0, use_txf
);
1247 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_UINT
,
1248 PIPE_FORMAT_R32_SINT
, target
,
1249 samples
, samples
, 0, use_txf
);
1250 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_SINT
,
1251 PIPE_FORMAT_R32_SINT
, target
,
1252 samples
, samples
, 0, use_txf
);
1253 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_SINT
,
1254 PIPE_FORMAT_R32_UINT
, target
,
1255 samples
, samples
, 0, use_txf
);
1256 blitter_get_fs_texfetch_depth(ctx
, target
, samples
, use_txf
);
1257 if (ctx
->has_stencil_export
) {
1258 blitter_get_fs_texfetch_depthstencil(ctx
, target
, samples
, use_txf
);
1259 blitter_get_fs_texfetch_stencil(ctx
, target
, samples
, use_txf
);
1265 /* MSAA resolve shaders. */
1266 for (j
= 2; j
< 32; j
++) {
1267 if (!screen
->is_format_supported(screen
, PIPE_FORMAT_R32_FLOAT
,
1269 PIPE_BIND_SAMPLER_VIEW
)) {
1273 for (f
= 0; f
< 2; f
++) {
1274 if (f
!= PIPE_TEX_FILTER_NEAREST
&& use_txf
)
1277 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_FLOAT
,
1278 PIPE_FORMAT_R32_FLOAT
, target
,
1280 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_UINT
,
1281 PIPE_FORMAT_R32_UINT
, target
,
1283 blitter_get_fs_texfetch_col(ctx
, PIPE_FORMAT_R32_SINT
,
1284 PIPE_FORMAT_R32_SINT
, target
,
1292 ctx
->fs_empty
= util_make_empty_fragment_shader(pipe
);
1294 ctx
->fs_write_one_cbuf
=
1295 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
1296 TGSI_INTERPOLATE_CONSTANT
, false);
1298 ctx
->fs_write_all_cbufs
=
1299 util_make_fragment_passthrough_shader(pipe
, TGSI_SEMANTIC_GENERIC
,
1300 TGSI_INTERPOLATE_CONSTANT
, true);
1302 ctx
->cached_all_shaders
= true;
1305 static void blitter_set_common_draw_rect_state(struct blitter_context_priv
*ctx
,
1306 bool scissor
, bool msaa
)
1308 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1310 if (ctx
->base
.saved_num_window_rectangles
)
1311 pipe
->set_window_rectangles(pipe
, false, 0, NULL
);
1313 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_state
[scissor
][msaa
]);
1315 if (ctx
->has_geometry_shader
)
1316 pipe
->bind_gs_state(pipe
, NULL
);
1317 if (ctx
->has_tessellation
) {
1318 pipe
->bind_tcs_state(pipe
, NULL
);
1319 pipe
->bind_tes_state(pipe
, NULL
);
1321 if (ctx
->has_stream_out
)
1322 pipe
->set_stream_output_targets(pipe
, 0, NULL
, NULL
);
1325 static void blitter_draw(struct blitter_context_priv
*ctx
,
1326 void *vertex_elements_cso
,
1327 blitter_get_vs_func get_vs
,
1328 int x1
, int y1
, int x2
, int y2
, float depth
,
1329 unsigned num_instances
)
1331 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1332 struct pipe_vertex_buffer vb
= {0};
1334 blitter_set_rectangle(ctx
, x1
, y1
, x2
, y2
, depth
);
1336 vb
.stride
= 8 * sizeof(float);
1338 u_upload_data(pipe
->stream_uploader
, 0, sizeof(ctx
->vertices
), 4, ctx
->vertices
,
1339 &vb
.buffer_offset
, &vb
.buffer
.resource
);
1340 if (!vb
.buffer
.resource
)
1342 u_upload_unmap(pipe
->stream_uploader
);
1344 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1, &vb
);
1345 pipe
->bind_vertex_elements_state(pipe
, vertex_elements_cso
);
1346 pipe
->bind_vs_state(pipe
, get_vs(&ctx
->base
));
1348 if (ctx
->base
.use_index_buffer
) {
1349 /* Note that for V3D,
1350 * dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_* require
1351 * that the last vert of the two tris be the same.
1353 static uint8_t indices
[6] = { 0, 1, 2, 0, 3, 2 };
1354 util_draw_elements_instanced(pipe
, indices
, 1, 0,
1355 PIPE_PRIM_TRIANGLES
, 0, 6,
1358 util_draw_arrays_instanced(pipe
, PIPE_PRIM_TRIANGLE_FAN
, 0, 4,
1361 pipe_resource_reference(&vb
.buffer
.resource
, NULL
);
1364 void util_blitter_draw_rectangle(struct blitter_context
*blitter
,
1365 void *vertex_elements_cso
,
1366 blitter_get_vs_func get_vs
,
1367 int x1
, int y1
, int x2
, int y2
,
1368 float depth
, unsigned num_instances
,
1369 enum blitter_attrib_type type
,
1370 const union blitter_attrib
*attrib
)
1372 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1376 case UTIL_BLITTER_ATTRIB_COLOR
:
1377 blitter_set_clear_color(ctx
, attrib
->color
);
1380 case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
:
1381 for (i
= 0; i
< 4; i
++) {
1382 ctx
->vertices
[i
][1][2] = attrib
->texcoord
.z
;
1383 ctx
->vertices
[i
][1][3] = attrib
->texcoord
.w
;
1386 case UTIL_BLITTER_ATTRIB_TEXCOORD_XY
:
1387 set_texcoords_in_vertices(attrib
, &ctx
->vertices
[0][1][0], 8);
1393 blitter_draw(ctx
, vertex_elements_cso
, get_vs
, x1
, y1
, x2
, y2
, depth
,
1397 static void *get_clear_blend_state(struct blitter_context_priv
*ctx
,
1398 unsigned clear_buffers
)
1400 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1403 clear_buffers
&= PIPE_CLEAR_COLOR
;
1405 /* Return an existing blend state. */
1407 return ctx
->blend
[0][0];
1409 index
= GET_CLEAR_BLEND_STATE_IDX(clear_buffers
);
1411 if (ctx
->blend_clear
[index
])
1412 return ctx
->blend_clear
[index
];
1414 /* Create a new one. */
1416 struct pipe_blend_state blend
= {0};
1419 blend
.independent_blend_enable
= 1;
1421 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
1422 if (clear_buffers
& (PIPE_CLEAR_COLOR0
<< i
)) {
1423 blend
.rt
[i
].colormask
= PIPE_MASK_RGBA
;
1427 ctx
->blend_clear
[index
] = pipe
->create_blend_state(pipe
, &blend
);
1429 return ctx
->blend_clear
[index
];
1432 void util_blitter_common_clear_setup(struct blitter_context
*blitter
,
1433 unsigned width
, unsigned height
,
1434 unsigned clear_buffers
,
1435 void *custom_blend
, void *custom_dsa
)
1437 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1438 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1440 util_blitter_set_running_flag(blitter
);
1441 blitter_check_saved_vertex_states(ctx
);
1442 blitter_check_saved_fragment_states(ctx
);
1443 blitter_disable_render_cond(ctx
);
1447 pipe
->bind_blend_state(pipe
, custom_blend
);
1449 pipe
->bind_blend_state(pipe
, get_clear_blend_state(ctx
, clear_buffers
));
1453 pipe
->bind_depth_stencil_alpha_state(pipe
, custom_dsa
);
1454 } else if ((clear_buffers
& PIPE_CLEAR_DEPTHSTENCIL
) == PIPE_CLEAR_DEPTHSTENCIL
) {
1455 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
1456 } else if (clear_buffers
& PIPE_CLEAR_DEPTH
) {
1457 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_keep_stencil
);
1458 } else if (clear_buffers
& PIPE_CLEAR_STENCIL
) {
1459 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
1461 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
1464 pipe
->set_sample_mask(pipe
, ~0);
1465 blitter_set_dst_dimensions(ctx
, width
, height
);
1468 static void util_blitter_clear_custom(struct blitter_context
*blitter
,
1469 unsigned width
, unsigned height
,
1470 unsigned num_layers
,
1471 unsigned clear_buffers
,
1472 const union pipe_color_union
*color
,
1473 double depth
, unsigned stencil
,
1474 void *custom_blend
, void *custom_dsa
,
1477 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1478 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1479 struct pipe_stencil_ref sr
= { { 0 } };
1481 assert(ctx
->has_layered
|| num_layers
<= 1);
1483 util_blitter_common_clear_setup(blitter
, width
, height
, clear_buffers
,
1484 custom_blend
, custom_dsa
);
1486 sr
.ref_value
[0] = stencil
& 0xff;
1487 pipe
->set_stencil_ref(pipe
, &sr
);
1489 bind_fs_write_all_cbufs(ctx
);
1491 union blitter_attrib attrib
;
1492 memcpy(attrib
.color
, color
->ui
, sizeof(color
->ui
));
1494 bool pass_generic
= (clear_buffers
& PIPE_CLEAR_COLOR
) != 0;
1495 enum blitter_attrib_type type
= pass_generic
? UTIL_BLITTER_ATTRIB_COLOR
:
1496 UTIL_BLITTER_ATTRIB_NONE
;
1498 if (num_layers
> 1 && ctx
->has_layered
) {
1499 blitter_get_vs_func get_vs
= get_vs_layered
;
1501 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
1502 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs
,
1503 0, 0, width
, height
,
1504 (float) depth
, num_layers
, type
, &attrib
);
1506 blitter_get_vs_func get_vs
;
1509 get_vs
= get_vs_passthrough_pos_generic
;
1511 get_vs
= get_vs_passthrough_pos
;
1513 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
1514 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs
,
1515 0, 0, width
, height
,
1516 (float) depth
, 1, type
, &attrib
);
1519 util_blitter_restore_vertex_states(blitter
);
1520 util_blitter_restore_fragment_states(blitter
);
1521 util_blitter_restore_render_cond(blitter
);
1522 util_blitter_unset_running_flag(blitter
);
1525 void util_blitter_clear(struct blitter_context
*blitter
,
1526 unsigned width
, unsigned height
, unsigned num_layers
,
1527 unsigned clear_buffers
,
1528 const union pipe_color_union
*color
,
1529 double depth
, unsigned stencil
,
1532 util_blitter_clear_custom(blitter
, width
, height
, num_layers
,
1533 clear_buffers
, color
, depth
, stencil
,
1537 void util_blitter_custom_clear_depth(struct blitter_context
*blitter
,
1538 unsigned width
, unsigned height
,
1539 double depth
, void *custom_dsa
)
1541 static const union pipe_color_union color
;
1542 util_blitter_clear_custom(blitter
, width
, height
, 0, 0, &color
, depth
, 0,
1543 NULL
, custom_dsa
, false);
1546 void util_blitter_default_dst_texture(struct pipe_surface
*dst_templ
,
1547 struct pipe_resource
*dst
,
1551 memset(dst_templ
, 0, sizeof(*dst_templ
));
1552 dst_templ
->format
= util_format_linear(dst
->format
);
1553 dst_templ
->u
.tex
.level
= dstlevel
;
1554 dst_templ
->u
.tex
.first_layer
= dstz
;
1555 dst_templ
->u
.tex
.last_layer
= dstz
;
1558 static struct pipe_surface
*
1559 util_blitter_get_next_surface_layer(struct pipe_context
*pipe
,
1560 struct pipe_surface
*surf
)
1562 struct pipe_surface dst_templ
;
1564 memset(&dst_templ
, 0, sizeof(dst_templ
));
1565 dst_templ
.format
= surf
->format
;
1566 dst_templ
.u
.tex
.level
= surf
->u
.tex
.level
;
1567 dst_templ
.u
.tex
.first_layer
= surf
->u
.tex
.first_layer
+ 1;
1568 dst_templ
.u
.tex
.last_layer
= surf
->u
.tex
.last_layer
+ 1;
1570 return pipe
->create_surface(pipe
, surf
->texture
, &dst_templ
);
1573 void util_blitter_default_src_texture(struct blitter_context
*blitter
,
1574 struct pipe_sampler_view
*src_templ
,
1575 struct pipe_resource
*src
,
1578 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1580 memset(src_templ
, 0, sizeof(*src_templ
));
1582 if (ctx
->cube_as_2darray
&&
1583 (src
->target
== PIPE_TEXTURE_CUBE
||
1584 src
->target
== PIPE_TEXTURE_CUBE_ARRAY
))
1585 src_templ
->target
= PIPE_TEXTURE_2D_ARRAY
;
1587 src_templ
->target
= src
->target
;
1589 src_templ
->format
= util_format_linear(src
->format
);
1590 src_templ
->u
.tex
.first_level
= srclevel
;
1591 src_templ
->u
.tex
.last_level
= srclevel
;
1592 src_templ
->u
.tex
.first_layer
= 0;
1593 src_templ
->u
.tex
.last_layer
=
1594 src
->target
== PIPE_TEXTURE_3D
? u_minify(src
->depth0
, srclevel
) - 1
1595 : (unsigned)(src
->array_size
- 1);
1596 src_templ
->swizzle_r
= PIPE_SWIZZLE_X
;
1597 src_templ
->swizzle_g
= PIPE_SWIZZLE_Y
;
1598 src_templ
->swizzle_b
= PIPE_SWIZZLE_Z
;
1599 src_templ
->swizzle_a
= PIPE_SWIZZLE_W
;
1602 static bool is_blit_generic_supported(struct blitter_context
*blitter
,
1603 const struct pipe_resource
*dst
,
1604 enum pipe_format dst_format
,
1605 const struct pipe_resource
*src
,
1606 enum pipe_format src_format
,
1609 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1610 struct pipe_screen
*screen
= ctx
->base
.pipe
->screen
;
1614 const struct util_format_description
*desc
=
1615 util_format_description(dst_format
);
1616 bool dst_has_stencil
= util_format_has_stencil(desc
);
1618 /* Stencil export must be supported for stencil copy. */
1619 if ((mask
& PIPE_MASK_S
) && dst_has_stencil
&&
1620 !ctx
->has_stencil_export
) {
1624 if (dst_has_stencil
|| util_format_has_depth(desc
))
1625 bind
= PIPE_BIND_DEPTH_STENCIL
;
1627 bind
= PIPE_BIND_RENDER_TARGET
;
1629 if (!screen
->is_format_supported(screen
, dst_format
, dst
->target
,
1630 dst
->nr_samples
, dst
->nr_storage_samples
,
1637 if (src
->nr_samples
> 1 && !ctx
->has_texture_multisample
) {
1641 if (!screen
->is_format_supported(screen
, src_format
, src
->target
,
1642 src
->nr_samples
, src
->nr_storage_samples
,
1643 PIPE_BIND_SAMPLER_VIEW
)) {
1647 /* Check stencil sampler support for stencil copy. */
1648 if (mask
& PIPE_MASK_S
) {
1649 if (util_format_has_stencil(util_format_description(src_format
))) {
1650 enum pipe_format stencil_format
=
1651 util_format_stencil_only(src_format
);
1652 assert(stencil_format
!= PIPE_FORMAT_NONE
);
1654 if (stencil_format
!= src_format
&&
1655 !screen
->is_format_supported(screen
, stencil_format
,
1656 src
->target
, src
->nr_samples
,
1657 src
->nr_storage_samples
,
1658 PIPE_BIND_SAMPLER_VIEW
)) {
1668 bool util_blitter_is_copy_supported(struct blitter_context
*blitter
,
1669 const struct pipe_resource
*dst
,
1670 const struct pipe_resource
*src
)
1672 return is_blit_generic_supported(blitter
, dst
, dst
->format
,
1673 src
, src
->format
, PIPE_MASK_RGBAZS
);
1676 bool util_blitter_is_blit_supported(struct blitter_context
*blitter
,
1677 const struct pipe_blit_info
*info
)
1679 return is_blit_generic_supported(blitter
,
1680 info
->dst
.resource
, info
->dst
.format
,
1681 info
->src
.resource
, info
->src
.format
,
1685 void util_blitter_copy_texture(struct blitter_context
*blitter
,
1686 struct pipe_resource
*dst
,
1688 unsigned dstx
, unsigned dsty
, unsigned dstz
,
1689 struct pipe_resource
*src
,
1691 const struct pipe_box
*srcbox
)
1693 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1694 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1695 struct pipe_surface
*dst_view
, dst_templ
;
1696 struct pipe_sampler_view src_templ
, *src_view
;
1697 struct pipe_box dstbox
;
1700 assert(src
->target
< PIPE_MAX_TEXTURE_TYPES
);
1702 u_box_3d(dstx
, dsty
, dstz
, abs(srcbox
->width
), abs(srcbox
->height
),
1703 abs(srcbox
->depth
), &dstbox
);
1705 /* Initialize the surface. */
1706 util_blitter_default_dst_texture(&dst_templ
, dst
, dst_level
, dstz
);
1707 dst_view
= pipe
->create_surface(pipe
, dst
, &dst_templ
);
1709 /* Initialize the sampler view. */
1710 util_blitter_default_src_texture(blitter
, &src_templ
, src
, src_level
);
1711 src_view
= pipe
->create_sampler_view(pipe
, src
, &src_templ
);
1714 util_blitter_blit_generic(blitter
, dst_view
, &dstbox
,
1715 src_view
, srcbox
, src
->width0
, src
->height0
,
1716 PIPE_MASK_RGBAZS
, PIPE_TEX_FILTER_NEAREST
, NULL
,
1719 pipe_surface_reference(&dst_view
, NULL
);
1720 pipe_sampler_view_reference(&src_view
, NULL
);
1724 blitter_draw_tex(struct blitter_context_priv
*ctx
,
1725 int dst_x1
, int dst_y1
, int dst_x2
, int dst_y2
,
1726 struct pipe_sampler_view
*src
,
1727 unsigned src_width0
, unsigned src_height0
,
1728 int src_x1
, int src_y1
, int src_x2
, int src_y2
,
1729 float layer
, unsigned sample
,
1730 bool uses_txf
, enum blitter_attrib_type type
)
1732 union blitter_attrib coord
;
1733 blitter_get_vs_func get_vs
= get_vs_passthrough_pos_generic
;
1735 get_texcoords(src
, src_width0
, src_height0
,
1736 src_x1
, src_y1
, src_x2
, src_y2
, layer
, sample
,
1739 if (src
->target
== PIPE_TEXTURE_CUBE
||
1740 src
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
1741 float face_coord
[4][2];
1743 set_texcoords_in_vertices(&coord
, &face_coord
[0][0], 2);
1744 util_map_texcoords2d_onto_cubemap((unsigned)layer
% 6,
1745 /* pointer, stride in floats */
1746 &face_coord
[0][0], 2,
1747 &ctx
->vertices
[0][1][0], 8,
1749 for (unsigned i
= 0; i
< 4; i
++)
1750 ctx
->vertices
[i
][1][3] = coord
.texcoord
.w
;
1752 /* Cubemaps don't use draw_rectangle. */
1753 blitter_draw(ctx
, ctx
->velem_state
, get_vs
,
1754 dst_x1
, dst_y1
, dst_x2
, dst_y2
, 0, 1);
1756 ctx
->base
.draw_rectangle(&ctx
->base
, ctx
->velem_state
, get_vs
,
1757 dst_x1
, dst_y1
, dst_x2
, dst_y2
,
1758 0, 1, type
, &coord
);
1762 static void do_blits(struct blitter_context_priv
*ctx
,
1763 struct pipe_surface
*dst
,
1764 const struct pipe_box
*dstbox
,
1765 struct pipe_sampler_view
*src
,
1766 unsigned src_width0
,
1767 unsigned src_height0
,
1768 const struct pipe_box
*srcbox
,
1772 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1773 unsigned src_samples
= src
->texture
->nr_samples
;
1774 unsigned dst_samples
= dst
->texture
->nr_samples
;
1775 enum pipe_texture_target src_target
= src
->target
;
1776 struct pipe_framebuffer_state fb_state
= {0};
1778 /* Initialize framebuffer state. */
1779 fb_state
.width
= dst
->width
;
1780 fb_state
.height
= dst
->height
;
1781 fb_state
.nr_cbufs
= is_zsbuf
? 0 : 1;
1783 blitter_set_dst_dimensions(ctx
, fb_state
.width
, fb_state
.height
);
1785 if ((src_target
== PIPE_TEXTURE_1D
||
1786 src_target
== PIPE_TEXTURE_2D
||
1787 src_target
== PIPE_TEXTURE_RECT
) &&
1789 /* Set framebuffer state. */
1791 fb_state
.zsbuf
= dst
;
1793 fb_state
.cbufs
[0] = dst
;
1795 pipe
->set_framebuffer_state(pipe
, &fb_state
);
1798 pipe
->set_sample_mask(pipe
, ~0);
1799 blitter_draw_tex(ctx
, dstbox
->x
, dstbox
->y
,
1800 dstbox
->x
+ dstbox
->width
,
1801 dstbox
->y
+ dstbox
->height
,
1802 src
, src_width0
, src_height0
, srcbox
->x
, srcbox
->y
,
1803 srcbox
->x
+ srcbox
->width
, srcbox
->y
+ srcbox
->height
,
1804 0, 0, uses_txf
, UTIL_BLITTER_ATTRIB_TEXCOORD_XY
);
1806 /* Draw the quad with the generic codepath. */
1808 for (dst_z
= 0; dst_z
< dstbox
->depth
; dst_z
++) {
1809 struct pipe_surface
*old
;
1810 float dst2src_scale
= srcbox
->depth
/ (float)dstbox
->depth
;
1812 /* Scale Z properly if the blit is scaled.
1814 * When downscaling, we want the coordinates centered, so that
1815 * mipmapping works for 3D textures. For example, when generating
1816 * a 4x4x4 level, this wouldn't average the pixels:
1818 * src Z: 0 1 2 3 4 5 6 7
1821 * Because the pixels are not centered below the pixels of the higher
1822 * level. Therefore, we want this:
1823 * src Z: 0 1 2 3 4 5 6 7
1826 * dst_offset defines the offset needed for centering the pixels and
1827 * it works with any scaling (not just 2x).
1829 float dst_offset
= ((srcbox
->depth
- 1) -
1830 (dstbox
->depth
- 1) * dst2src_scale
) * 0.5;
1831 float src_z
= (dst_z
+ dst_offset
) * dst2src_scale
;
1833 /* Set framebuffer state. */
1835 fb_state
.zsbuf
= dst
;
1837 fb_state
.cbufs
[0] = dst
;
1839 pipe
->set_framebuffer_state(pipe
, &fb_state
);
1841 /* See if we need to blit a multisample or singlesample buffer. */
1842 if (src_samples
== dst_samples
&& dst_samples
> 1) {
1844 unsigned i
, max_sample
= dst_samples
- 1;
1846 for (i
= 0; i
<= max_sample
; i
++) {
1847 pipe
->set_sample_mask(pipe
, 1 << i
);
1848 blitter_draw_tex(ctx
, dstbox
->x
, dstbox
->y
,
1849 dstbox
->x
+ dstbox
->width
,
1850 dstbox
->y
+ dstbox
->height
,
1851 src
, src_width0
, src_height0
,
1852 srcbox
->x
, srcbox
->y
,
1853 srcbox
->x
+ srcbox
->width
,
1854 srcbox
->y
+ srcbox
->height
,
1855 srcbox
->z
+ src_z
, i
, uses_txf
,
1856 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
);
1859 /* Normal copy, MSAA upsampling, or MSAA resolve. */
1860 pipe
->set_sample_mask(pipe
, ~0);
1861 blitter_draw_tex(ctx
, dstbox
->x
, dstbox
->y
,
1862 dstbox
->x
+ dstbox
->width
,
1863 dstbox
->y
+ dstbox
->height
,
1864 src
, src_width0
, src_height0
,
1865 srcbox
->x
, srcbox
->y
,
1866 srcbox
->x
+ srcbox
->width
,
1867 srcbox
->y
+ srcbox
->height
,
1868 srcbox
->z
+ src_z
, 0, uses_txf
,
1869 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
);
1872 /* Get the next surface or (if this is the last iteration)
1873 * just unreference the last one. */
1875 if (dst_z
< dstbox
->depth
-1) {
1876 dst
= util_blitter_get_next_surface_layer(ctx
->base
.pipe
, dst
);
1879 pipe_surface_reference(&old
, NULL
);
1885 void util_blitter_blit_generic(struct blitter_context
*blitter
,
1886 struct pipe_surface
*dst
,
1887 const struct pipe_box
*dstbox
,
1888 struct pipe_sampler_view
*src
,
1889 const struct pipe_box
*srcbox
,
1890 unsigned src_width0
, unsigned src_height0
,
1891 unsigned mask
, unsigned filter
,
1892 const struct pipe_scissor_state
*scissor
,
1895 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
1896 struct pipe_context
*pipe
= ctx
->base
.pipe
;
1897 enum pipe_texture_target src_target
= src
->target
;
1898 unsigned src_samples
= src
->texture
->nr_samples
;
1899 unsigned dst_samples
= dst
->texture
->nr_samples
;
1900 void *sampler_state
;
1901 const struct util_format_description
*src_desc
=
1902 util_format_description(src
->format
);
1903 const struct util_format_description
*dst_desc
=
1904 util_format_description(dst
->format
);
1906 bool src_has_color
= src_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
;
1907 bool src_has_depth
= util_format_has_depth(src_desc
);
1908 bool src_has_stencil
= util_format_has_stencil(src_desc
);
1910 bool dst_has_color
= mask
& PIPE_MASK_RGBA
&&
1911 dst_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
;
1912 bool dst_has_depth
= mask
& PIPE_MASK_Z
&&
1913 util_format_has_depth(dst_desc
);
1914 bool dst_has_stencil
= ctx
->has_stencil_export
&&
1915 mask
& PIPE_MASK_S
&&
1916 util_format_has_stencil(dst_desc
);
1918 /* Return if there is nothing to do. */
1919 if (!dst_has_color
&& !dst_has_depth
&& !dst_has_stencil
) {
1923 bool is_scaled
= dstbox
->width
!= abs(srcbox
->width
) ||
1924 dstbox
->height
!= abs(srcbox
->height
);
1926 if (src_has_stencil
|| !is_scaled
)
1927 filter
= PIPE_TEX_FILTER_NEAREST
;
1929 bool use_txf
= false;
1931 /* Don't support scaled blits. The TXF shader uses F2I for rounding. */
1934 filter
== PIPE_TEX_FILTER_NEAREST
&&
1935 src
->target
!= PIPE_TEXTURE_CUBE
&&
1936 src
->target
!= PIPE_TEXTURE_CUBE_ARRAY
) {
1937 int src_width
= u_minify(src_width0
, src
->u
.tex
.first_level
);
1938 int src_height
= u_minify(src_height0
, src
->u
.tex
.first_level
);
1939 int src_depth
= src
->u
.tex
.last_layer
+ 1;
1940 struct pipe_box box
= *srcbox
;
1942 /* Eliminate negative width/height/depth. */
1943 if (box
.width
< 0) {
1947 if (box
.height
< 0) {
1948 box
.y
+= box
.height
;
1951 if (box
.depth
< 0) {
1956 /* See if srcbox is in bounds. TXF doesn't clamp the coordinates. */
1958 box
.x
>= 0 && box
.x
< src_width
&&
1959 box
.y
>= 0 && box
.y
< src_height
&&
1960 box
.z
>= 0 && box
.z
< src_depth
&&
1961 box
.x
+ box
.width
> 0 && box
.x
+ box
.width
<= src_width
&&
1962 box
.y
+ box
.height
> 0 && box
.y
+ box
.height
<= src_height
&&
1963 box
.z
+ box
.depth
> 0 && box
.z
+ box
.depth
<= src_depth
;
1966 /* Check whether the states are properly saved. */
1967 util_blitter_set_running_flag(blitter
);
1968 blitter_check_saved_vertex_states(ctx
);
1969 blitter_check_saved_fragment_states(ctx
);
1970 blitter_check_saved_textures(ctx
);
1971 blitter_check_saved_fb_state(ctx
);
1972 blitter_disable_render_cond(ctx
);
1974 /* Blend, DSA, fragment shader. */
1975 if (dst_has_depth
&& dst_has_stencil
) {
1976 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
1977 pipe
->bind_depth_stencil_alpha_state(pipe
,
1978 ctx
->dsa_write_depth_stencil
);
1979 if (src_has_color
) {
1981 ctx
->bind_fs_state(pipe
,
1982 blitter_get_fs_pack_color_zs(ctx
, src_target
,
1983 src_samples
, dst
->format
, false));
1985 ctx
->bind_fs_state(pipe
,
1986 blitter_get_fs_texfetch_depthstencil(ctx
, src_target
,
1987 src_samples
, use_txf
));
1989 } else if (dst_has_depth
) {
1990 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
1991 pipe
->bind_depth_stencil_alpha_state(pipe
,
1992 ctx
->dsa_write_depth_keep_stencil
);
1993 if (src_has_color
&&
1994 (src
->format
== PIPE_FORMAT_R32_UINT
||
1995 src
->format
== PIPE_FORMAT_R32G32_UINT
)) {
1997 ctx
->bind_fs_state(pipe
,
1998 blitter_get_fs_pack_color_zs(ctx
, src_target
,
1999 src_samples
, dst
->format
, false));
2001 ctx
->bind_fs_state(pipe
,
2002 blitter_get_fs_texfetch_depth(ctx
, src_target
,
2003 src_samples
, use_txf
));
2005 } else if (dst_has_stencil
) {
2006 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
2007 pipe
->bind_depth_stencil_alpha_state(pipe
,
2008 ctx
->dsa_keep_depth_write_stencil
);
2010 assert(src_has_stencil
); /* unpacking from color is unsupported */
2011 ctx
->bind_fs_state(pipe
,
2012 blitter_get_fs_texfetch_stencil(ctx
, src_target
,
2013 src_samples
, use_txf
));
2015 unsigned colormask
= mask
& PIPE_MASK_RGBA
;
2017 pipe
->bind_blend_state(pipe
, ctx
->blend
[colormask
][alpha_blend
]);
2018 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2020 if (src_has_depth
&&
2021 (dst
->format
== PIPE_FORMAT_R32_UINT
||
2022 dst
->format
== PIPE_FORMAT_R32G32_UINT
)) {
2024 ctx
->bind_fs_state(pipe
,
2025 blitter_get_fs_pack_color_zs(ctx
, src_target
,
2026 src_samples
, src
->format
, true));
2028 ctx
->bind_fs_state(pipe
,
2029 blitter_get_fs_texfetch_col(ctx
, src
->format
, dst
->format
, src_target
,
2030 src_samples
, dst_samples
, filter
,
2035 /* Set the linear filter only for scaled color non-MSAA blits. */
2036 if (filter
== PIPE_TEX_FILTER_LINEAR
) {
2037 if (src_target
== PIPE_TEXTURE_RECT
) {
2038 sampler_state
= ctx
->sampler_state_rect_linear
;
2040 sampler_state
= ctx
->sampler_state_linear
;
2043 if (src_target
== PIPE_TEXTURE_RECT
) {
2044 sampler_state
= ctx
->sampler_state_rect
;
2046 sampler_state
= ctx
->sampler_state
;
2051 if (src_has_depth
&& src_has_stencil
&&
2052 (dst_has_color
|| (dst_has_depth
&& dst_has_stencil
))) {
2053 /* Setup two samplers, one for depth and the other one for stencil. */
2054 struct pipe_sampler_view templ
;
2055 struct pipe_sampler_view
*views
[2];
2056 void *samplers
[2] = {sampler_state
, sampler_state
};
2059 templ
.format
= util_format_stencil_only(templ
.format
);
2060 assert(templ
.format
!= PIPE_FORMAT_NONE
);
2063 views
[1] = pipe
->create_sampler_view(pipe
, src
->texture
, &templ
);
2065 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 2, views
);
2066 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
, 0, 2, samplers
);
2068 pipe_sampler_view_reference(&views
[1], NULL
);
2069 } else if (src_has_stencil
&& dst_has_stencil
) {
2070 /* Set a stencil-only sampler view for it not to sample depth instead. */
2071 struct pipe_sampler_view templ
;
2072 struct pipe_sampler_view
*view
;
2075 templ
.format
= util_format_stencil_only(templ
.format
);
2076 assert(templ
.format
!= PIPE_FORMAT_NONE
);
2078 view
= pipe
->create_sampler_view(pipe
, src
->texture
, &templ
);
2080 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 1, &view
);
2081 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
,
2082 0, 1, &sampler_state
);
2084 pipe_sampler_view_reference(&view
, NULL
);
2086 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 1, &src
);
2087 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
,
2088 0, 1, &sampler_state
);
2092 pipe
->set_scissor_states(pipe
, 0, 1, scissor
);
2095 blitter_set_common_draw_rect_state(ctx
, scissor
!= NULL
, dst_samples
> 1);
2097 do_blits(ctx
, dst
, dstbox
, src
, src_width0
, src_height0
,
2098 srcbox
, dst_has_depth
|| dst_has_stencil
, use_txf
);
2100 util_blitter_restore_vertex_states(blitter
);
2101 util_blitter_restore_fragment_states(blitter
);
2102 util_blitter_restore_textures(blitter
);
2103 util_blitter_restore_fb_state(blitter
);
2105 pipe
->set_scissor_states(pipe
, 0, 1, &ctx
->base
.saved_scissor
);
2107 util_blitter_restore_render_cond(blitter
);
2108 util_blitter_unset_running_flag(blitter
);
2112 util_blitter_blit(struct blitter_context
*blitter
,
2113 const struct pipe_blit_info
*info
)
2115 struct pipe_resource
*dst
= info
->dst
.resource
;
2116 struct pipe_resource
*src
= info
->src
.resource
;
2117 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2118 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2119 struct pipe_surface
*dst_view
, dst_templ
;
2120 struct pipe_sampler_view src_templ
, *src_view
;
2122 /* Initialize the surface. */
2123 util_blitter_default_dst_texture(&dst_templ
, dst
, info
->dst
.level
,
2125 dst_templ
.format
= info
->dst
.format
;
2126 dst_view
= pipe
->create_surface(pipe
, dst
, &dst_templ
);
2128 /* Initialize the sampler view. */
2129 util_blitter_default_src_texture(blitter
, &src_templ
, src
, info
->src
.level
);
2130 src_templ
.format
= info
->src
.format
;
2131 src_view
= pipe
->create_sampler_view(pipe
, src
, &src_templ
);
2134 util_blitter_blit_generic(blitter
, dst_view
, &info
->dst
.box
,
2135 src_view
, &info
->src
.box
, src
->width0
, src
->height0
,
2136 info
->mask
, info
->filter
,
2137 info
->scissor_enable
? &info
->scissor
: NULL
,
2140 pipe_surface_reference(&dst_view
, NULL
);
2141 pipe_sampler_view_reference(&src_view
, NULL
);
2144 void util_blitter_generate_mipmap(struct blitter_context
*blitter
,
2145 struct pipe_resource
*tex
,
2146 enum pipe_format format
,
2147 unsigned base_level
, unsigned last_level
,
2148 unsigned first_layer
, unsigned last_layer
)
2150 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2151 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2152 struct pipe_surface dst_templ
, *dst_view
;
2153 struct pipe_sampler_view src_templ
, *src_view
;
2155 void *sampler_state
;
2156 const struct util_format_description
*desc
=
2157 util_format_description(format
);
2159 unsigned target
= tex
->target
;
2161 if (ctx
->cube_as_2darray
&&
2162 (target
== PIPE_TEXTURE_CUBE
|| target
== PIPE_TEXTURE_CUBE_ARRAY
))
2163 target
= PIPE_TEXTURE_2D_ARRAY
;
2165 assert(tex
->nr_samples
<= 1);
2166 /* Disallow stencil formats without depth. */
2167 assert(!util_format_has_stencil(desc
) || util_format_has_depth(desc
));
2169 is_depth
= desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
;
2171 /* Check whether the states are properly saved. */
2172 util_blitter_set_running_flag(blitter
);
2173 blitter_check_saved_vertex_states(ctx
);
2174 blitter_check_saved_fragment_states(ctx
);
2175 blitter_check_saved_textures(ctx
);
2176 blitter_check_saved_fb_state(ctx
);
2177 blitter_disable_render_cond(ctx
);
2181 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
2182 pipe
->bind_depth_stencil_alpha_state(pipe
,
2183 ctx
->dsa_write_depth_keep_stencil
);
2184 ctx
->bind_fs_state(pipe
,
2185 blitter_get_fs_texfetch_depth(ctx
, target
, 1, false));
2187 pipe
->bind_blend_state(pipe
, ctx
->blend
[PIPE_MASK_RGBA
][0]);
2188 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2189 ctx
->bind_fs_state(pipe
,
2190 blitter_get_fs_texfetch_col(ctx
, tex
->format
, tex
->format
, target
,
2191 1, 1, PIPE_TEX_FILTER_LINEAR
, false));
2194 if (target
== PIPE_TEXTURE_RECT
) {
2195 sampler_state
= ctx
->sampler_state_rect_linear
;
2197 sampler_state
= ctx
->sampler_state_linear
;
2199 pipe
->bind_sampler_states(pipe
, PIPE_SHADER_FRAGMENT
,
2200 0, 1, &sampler_state
);
2202 blitter_set_common_draw_rect_state(ctx
, false, false);
2204 for (src_level
= base_level
; src_level
< last_level
; src_level
++) {
2205 struct pipe_box dstbox
= {0}, srcbox
= {0};
2206 unsigned dst_level
= src_level
+ 1;
2208 dstbox
.width
= u_minify(tex
->width0
, dst_level
);
2209 dstbox
.height
= u_minify(tex
->height0
, dst_level
);
2211 srcbox
.width
= u_minify(tex
->width0
, src_level
);
2212 srcbox
.height
= u_minify(tex
->height0
, src_level
);
2214 if (target
== PIPE_TEXTURE_3D
) {
2215 dstbox
.depth
= util_num_layers(tex
, dst_level
);
2216 srcbox
.depth
= util_num_layers(tex
, src_level
);
2218 dstbox
.z
= srcbox
.z
= first_layer
;
2219 dstbox
.depth
= srcbox
.depth
= last_layer
- first_layer
+ 1;
2222 /* Initialize the surface. */
2223 util_blitter_default_dst_texture(&dst_templ
, tex
, dst_level
,
2225 dst_templ
.format
= format
;
2226 dst_view
= pipe
->create_surface(pipe
, tex
, &dst_templ
);
2228 /* Initialize the sampler view. */
2229 util_blitter_default_src_texture(blitter
, &src_templ
, tex
, src_level
);
2230 src_templ
.format
= format
;
2231 src_view
= pipe
->create_sampler_view(pipe
, tex
, &src_templ
);
2233 pipe
->set_sampler_views(pipe
, PIPE_SHADER_FRAGMENT
, 0, 1, &src_view
);
2235 do_blits(ctx
, dst_view
, &dstbox
, src_view
, tex
->width0
, tex
->height0
,
2236 &srcbox
, is_depth
, false);
2238 pipe_surface_reference(&dst_view
, NULL
);
2239 pipe_sampler_view_reference(&src_view
, NULL
);
2242 util_blitter_restore_vertex_states(blitter
);
2243 util_blitter_restore_fragment_states(blitter
);
2244 util_blitter_restore_textures(blitter
);
2245 util_blitter_restore_fb_state(blitter
);
2246 util_blitter_restore_render_cond(blitter
);
2247 util_blitter_unset_running_flag(blitter
);
2250 /* Clear a region of a color surface to a constant value. */
2251 void util_blitter_clear_render_target(struct blitter_context
*blitter
,
2252 struct pipe_surface
*dstsurf
,
2253 const union pipe_color_union
*color
,
2254 unsigned dstx
, unsigned dsty
,
2255 unsigned width
, unsigned height
)
2257 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2258 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2259 struct pipe_framebuffer_state fb_state
;
2261 unsigned num_layers
;
2263 assert(dstsurf
->texture
);
2264 if (!dstsurf
->texture
)
2267 /* check the saved state */
2268 util_blitter_set_running_flag(blitter
);
2269 blitter_check_saved_vertex_states(ctx
);
2270 blitter_check_saved_fragment_states(ctx
);
2271 blitter_check_saved_fb_state(ctx
);
2272 blitter_disable_render_cond(ctx
);
2275 pipe
->bind_blend_state(pipe
, ctx
->blend
[PIPE_MASK_RGBA
][0]);
2276 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2277 bind_fs_write_one_cbuf(ctx
);
2279 /* set a framebuffer state */
2280 fb_state
.width
= dstsurf
->width
;
2281 fb_state
.height
= dstsurf
->height
;
2282 fb_state
.nr_cbufs
= 1;
2283 fb_state
.cbufs
[0] = dstsurf
;
2285 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2286 pipe
->set_sample_mask(pipe
, ~0);
2287 msaa
= util_framebuffer_get_num_samples(&fb_state
) > 1;
2289 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2291 union blitter_attrib attrib
;
2292 memcpy(attrib
.color
, color
->ui
, sizeof(color
->ui
));
2294 num_layers
= dstsurf
->u
.tex
.last_layer
- dstsurf
->u
.tex
.first_layer
+ 1;
2295 if (num_layers
> 1 && ctx
->has_layered
) {
2296 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
2297 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_layered
,
2298 dstx
, dsty
, dstx
+width
, dsty
+height
, 0,
2299 num_layers
, UTIL_BLITTER_ATTRIB_COLOR
, &attrib
);
2301 blitter_set_common_draw_rect_state(ctx
, false, msaa
);
2302 blitter
->draw_rectangle(blitter
, ctx
->velem_state
,
2303 get_vs_passthrough_pos_generic
,
2304 dstx
, dsty
, dstx
+width
, dsty
+height
, 0,
2305 1, UTIL_BLITTER_ATTRIB_COLOR
, &attrib
);
2308 util_blitter_restore_vertex_states(blitter
);
2309 util_blitter_restore_fragment_states(blitter
);
2310 util_blitter_restore_fb_state(blitter
);
2311 util_blitter_restore_render_cond(blitter
);
2312 util_blitter_unset_running_flag(blitter
);
2315 /* Clear a region of a depth stencil surface. */
2316 void util_blitter_clear_depth_stencil(struct blitter_context
*blitter
,
2317 struct pipe_surface
*dstsurf
,
2318 unsigned clear_flags
,
2321 unsigned dstx
, unsigned dsty
,
2322 unsigned width
, unsigned height
)
2324 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2325 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2326 struct pipe_framebuffer_state fb_state
;
2327 struct pipe_stencil_ref sr
= { { 0 } };
2328 unsigned num_layers
;
2330 assert(dstsurf
->texture
);
2331 if (!dstsurf
->texture
)
2334 /* check the saved state */
2335 util_blitter_set_running_flag(blitter
);
2336 blitter_check_saved_vertex_states(ctx
);
2337 blitter_check_saved_fragment_states(ctx
);
2338 blitter_check_saved_fb_state(ctx
);
2339 blitter_disable_render_cond(ctx
);
2342 pipe
->bind_blend_state(pipe
, ctx
->blend
[0][0]);
2343 if ((clear_flags
& PIPE_CLEAR_DEPTHSTENCIL
) == PIPE_CLEAR_DEPTHSTENCIL
) {
2344 sr
.ref_value
[0] = stencil
& 0xff;
2345 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_stencil
);
2346 pipe
->set_stencil_ref(pipe
, &sr
);
2348 else if (clear_flags
& PIPE_CLEAR_DEPTH
) {
2349 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_write_depth_keep_stencil
);
2351 else if (clear_flags
& PIPE_CLEAR_STENCIL
) {
2352 sr
.ref_value
[0] = stencil
& 0xff;
2353 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_write_stencil
);
2354 pipe
->set_stencil_ref(pipe
, &sr
);
2357 /* hmm that should be illegal probably, or make it a no-op somewhere */
2358 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2362 /* set a framebuffer state */
2363 fb_state
.width
= dstsurf
->width
;
2364 fb_state
.height
= dstsurf
->height
;
2365 fb_state
.nr_cbufs
= 0;
2366 fb_state
.cbufs
[0] = 0;
2367 fb_state
.zsbuf
= dstsurf
;
2368 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2369 pipe
->set_sample_mask(pipe
, ~0);
2371 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2373 num_layers
= dstsurf
->u
.tex
.last_layer
- dstsurf
->u
.tex
.first_layer
+ 1;
2374 if (num_layers
> 1 && ctx
->has_layered
) {
2375 blitter_set_common_draw_rect_state(ctx
, false, false);
2376 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_layered
,
2377 dstx
, dsty
, dstx
+width
, dsty
+height
, depth
,
2378 num_layers
, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2380 blitter_set_common_draw_rect_state(ctx
, false, false);
2381 blitter
->draw_rectangle(blitter
, ctx
->velem_state
,
2382 get_vs_passthrough_pos
,
2383 dstx
, dsty
, dstx
+width
, dsty
+height
, depth
, 1,
2384 UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2387 util_blitter_restore_vertex_states(blitter
);
2388 util_blitter_restore_fragment_states(blitter
);
2389 util_blitter_restore_fb_state(blitter
);
2390 util_blitter_restore_render_cond(blitter
);
2391 util_blitter_unset_running_flag(blitter
);
2394 /* draw a rectangle across a region using a custom dsa stage - for r600g */
2395 void util_blitter_custom_depth_stencil(struct blitter_context
*blitter
,
2396 struct pipe_surface
*zsurf
,
2397 struct pipe_surface
*cbsurf
,
2398 unsigned sample_mask
,
2399 void *dsa_stage
, float depth
)
2401 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2402 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2403 struct pipe_framebuffer_state fb_state
;
2405 assert(zsurf
->texture
);
2406 if (!zsurf
->texture
)
2409 /* check the saved state */
2410 util_blitter_set_running_flag(blitter
);
2411 blitter_check_saved_vertex_states(ctx
);
2412 blitter_check_saved_fragment_states(ctx
);
2413 blitter_check_saved_fb_state(ctx
);
2414 blitter_disable_render_cond(ctx
);
2417 pipe
->bind_blend_state(pipe
, cbsurf
? ctx
->blend
[PIPE_MASK_RGBA
][0] :
2419 pipe
->bind_depth_stencil_alpha_state(pipe
, dsa_stage
);
2421 bind_fs_write_one_cbuf(ctx
);
2425 /* set a framebuffer state */
2426 fb_state
.width
= zsurf
->width
;
2427 fb_state
.height
= zsurf
->height
;
2428 fb_state
.nr_cbufs
= 1;
2430 fb_state
.cbufs
[0] = cbsurf
;
2431 fb_state
.nr_cbufs
= 1;
2433 fb_state
.cbufs
[0] = NULL
;
2434 fb_state
.nr_cbufs
= 0;
2436 fb_state
.zsbuf
= zsurf
;
2437 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2438 pipe
->set_sample_mask(pipe
, sample_mask
);
2440 blitter_set_common_draw_rect_state(ctx
, false,
2441 util_framebuffer_get_num_samples(&fb_state
) > 1);
2442 blitter_set_dst_dimensions(ctx
, zsurf
->width
, zsurf
->height
);
2443 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_passthrough_pos
,
2444 0, 0, zsurf
->width
, zsurf
->height
, depth
,
2445 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2447 util_blitter_restore_vertex_states(blitter
);
2448 util_blitter_restore_fragment_states(blitter
);
2449 util_blitter_restore_fb_state(blitter
);
2450 util_blitter_restore_render_cond(blitter
);
2451 util_blitter_unset_running_flag(blitter
);
2454 void util_blitter_copy_buffer(struct blitter_context
*blitter
,
2455 struct pipe_resource
*dst
,
2457 struct pipe_resource
*src
,
2461 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2462 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2463 struct pipe_vertex_buffer vb
;
2464 struct pipe_stream_output_target
*so_target
;
2465 unsigned offsets
[PIPE_MAX_SO_BUFFERS
] = {0};
2467 if (srcx
>= src
->width0
||
2468 dstx
>= dst
->width0
) {
2471 if (srcx
+ size
> src
->width0
) {
2472 size
= src
->width0
- srcx
;
2474 if (dstx
+ size
> dst
->width0
) {
2475 size
= dst
->width0
- dstx
;
2478 /* Drivers not capable of Stream Out should not call this function
2479 * in the first place. */
2480 assert(ctx
->has_stream_out
);
2482 /* Some alignment is required. */
2483 if (srcx
% 4 != 0 || dstx
% 4 != 0 || size
% 4 != 0 ||
2484 !ctx
->has_stream_out
) {
2485 struct pipe_box box
;
2486 u_box_1d(srcx
, size
, &box
);
2487 util_resource_copy_region(pipe
, dst
, 0, dstx
, 0, 0, src
, 0, &box
);
2491 util_blitter_set_running_flag(blitter
);
2492 blitter_check_saved_vertex_states(ctx
);
2493 blitter_disable_render_cond(ctx
);
2495 vb
.is_user_buffer
= false;
2496 vb
.buffer
.resource
= src
;
2497 vb
.buffer_offset
= srcx
;
2500 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1, &vb
);
2501 pipe
->bind_vertex_elements_state(pipe
, ctx
->velem_state_readbuf
[0]);
2502 bind_vs_pos_only(ctx
, 1);
2503 if (ctx
->has_geometry_shader
)
2504 pipe
->bind_gs_state(pipe
, NULL
);
2505 if (ctx
->has_tessellation
) {
2506 pipe
->bind_tcs_state(pipe
, NULL
);
2507 pipe
->bind_tes_state(pipe
, NULL
);
2509 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_discard_state
);
2511 so_target
= pipe
->create_stream_output_target(pipe
, dst
, dstx
, size
);
2512 pipe
->set_stream_output_targets(pipe
, 1, &so_target
, offsets
);
2514 util_draw_arrays(pipe
, PIPE_PRIM_POINTS
, 0, size
/ 4);
2516 util_blitter_restore_vertex_states(blitter
);
2517 util_blitter_restore_render_cond(blitter
);
2518 util_blitter_unset_running_flag(blitter
);
2519 pipe_so_target_reference(&so_target
, NULL
);
2522 void util_blitter_clear_buffer(struct blitter_context
*blitter
,
2523 struct pipe_resource
*dst
,
2524 unsigned offset
, unsigned size
,
2525 unsigned num_channels
,
2526 const union pipe_color_union
*clear_value
)
2528 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2529 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2530 struct pipe_vertex_buffer vb
= {0};
2531 struct pipe_stream_output_target
*so_target
= NULL
;
2532 unsigned offsets
[PIPE_MAX_SO_BUFFERS
] = {0};
2534 assert(num_channels
>= 1);
2535 assert(num_channels
<= 4);
2537 /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE!
2539 * R600 uses this to initialize texture resources, so width0 might not be
2540 * what you think it is.
2543 /* Streamout is required. */
2544 if (!ctx
->has_stream_out
) {
2545 assert(!"Streamout unsupported in util_blitter_clear_buffer()");
2549 /* Some alignment is required. */
2550 if (offset
% 4 != 0 || size
% 4 != 0) {
2551 assert(!"Bad alignment in util_blitter_clear_buffer()");
2555 u_upload_data(pipe
->stream_uploader
, 0, num_channels
*4, 4, clear_value
,
2556 &vb
.buffer_offset
, &vb
.buffer
.resource
);
2557 if (!vb
.buffer
.resource
)
2562 util_blitter_set_running_flag(blitter
);
2563 blitter_check_saved_vertex_states(ctx
);
2564 blitter_disable_render_cond(ctx
);
2566 pipe
->set_vertex_buffers(pipe
, ctx
->base
.vb_slot
, 1, &vb
);
2567 pipe
->bind_vertex_elements_state(pipe
,
2568 ctx
->velem_state_readbuf
[num_channels
-1]);
2569 bind_vs_pos_only(ctx
, num_channels
);
2570 if (ctx
->has_geometry_shader
)
2571 pipe
->bind_gs_state(pipe
, NULL
);
2572 if (ctx
->has_tessellation
) {
2573 pipe
->bind_tcs_state(pipe
, NULL
);
2574 pipe
->bind_tes_state(pipe
, NULL
);
2576 pipe
->bind_rasterizer_state(pipe
, ctx
->rs_discard_state
);
2578 so_target
= pipe
->create_stream_output_target(pipe
, dst
, offset
, size
);
2579 pipe
->set_stream_output_targets(pipe
, 1, &so_target
, offsets
);
2581 util_draw_arrays(pipe
, PIPE_PRIM_POINTS
, 0, size
/ 4);
2584 util_blitter_restore_vertex_states(blitter
);
2585 util_blitter_restore_render_cond(blitter
);
2586 util_blitter_unset_running_flag(blitter
);
2587 pipe_so_target_reference(&so_target
, NULL
);
2588 pipe_resource_reference(&vb
.buffer
.resource
, NULL
);
2591 /* probably radeon specific */
2592 void util_blitter_custom_resolve_color(struct blitter_context
*blitter
,
2593 struct pipe_resource
*dst
,
2596 struct pipe_resource
*src
,
2598 unsigned sample_mask
,
2600 enum pipe_format format
)
2602 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2603 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2604 struct pipe_framebuffer_state fb_state
;
2605 struct pipe_surface
*srcsurf
, *dstsurf
, surf_tmpl
;
2607 util_blitter_set_running_flag(blitter
);
2608 blitter_check_saved_vertex_states(ctx
);
2609 blitter_check_saved_fragment_states(ctx
);
2610 blitter_disable_render_cond(ctx
);
2613 pipe
->bind_blend_state(pipe
, custom_blend
);
2614 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2615 bind_fs_write_one_cbuf(ctx
);
2616 pipe
->set_sample_mask(pipe
, sample_mask
);
2618 memset(&surf_tmpl
, 0, sizeof(surf_tmpl
));
2619 surf_tmpl
.format
= format
;
2620 surf_tmpl
.u
.tex
.level
= dst_level
;
2621 surf_tmpl
.u
.tex
.first_layer
= dst_layer
;
2622 surf_tmpl
.u
.tex
.last_layer
= dst_layer
;
2624 dstsurf
= pipe
->create_surface(pipe
, dst
, &surf_tmpl
);
2626 surf_tmpl
.u
.tex
.level
= 0;
2627 surf_tmpl
.u
.tex
.first_layer
= src_layer
;
2628 surf_tmpl
.u
.tex
.last_layer
= src_layer
;
2630 srcsurf
= pipe
->create_surface(pipe
, src
, &surf_tmpl
);
2632 /* set a framebuffer state */
2633 fb_state
.width
= src
->width0
;
2634 fb_state
.height
= src
->height0
;
2635 fb_state
.nr_cbufs
= 2;
2636 fb_state
.cbufs
[0] = srcsurf
;
2637 fb_state
.cbufs
[1] = dstsurf
;
2638 fb_state
.zsbuf
= NULL
;
2639 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2641 blitter_set_common_draw_rect_state(ctx
, false,
2642 util_framebuffer_get_num_samples(&fb_state
) > 1);
2643 blitter_set_dst_dimensions(ctx
, src
->width0
, src
->height0
);
2644 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_passthrough_pos
,
2645 0, 0, src
->width0
, src
->height0
,
2646 0, 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2647 util_blitter_restore_fb_state(blitter
);
2648 util_blitter_restore_vertex_states(blitter
);
2649 util_blitter_restore_fragment_states(blitter
);
2650 util_blitter_restore_render_cond(blitter
);
2651 util_blitter_unset_running_flag(blitter
);
2653 pipe_surface_reference(&srcsurf
, NULL
);
2654 pipe_surface_reference(&dstsurf
, NULL
);
2657 void util_blitter_custom_color(struct blitter_context
*blitter
,
2658 struct pipe_surface
*dstsurf
,
2661 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2662 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2663 struct pipe_framebuffer_state fb_state
;
2665 assert(dstsurf
->texture
);
2666 if (!dstsurf
->texture
)
2669 /* check the saved state */
2670 util_blitter_set_running_flag(blitter
);
2671 blitter_check_saved_vertex_states(ctx
);
2672 blitter_check_saved_fragment_states(ctx
);
2673 blitter_check_saved_fb_state(ctx
);
2674 blitter_disable_render_cond(ctx
);
2677 pipe
->bind_blend_state(pipe
, custom_blend
? custom_blend
2678 : ctx
->blend
[PIPE_MASK_RGBA
][0]);
2679 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2680 bind_fs_write_one_cbuf(ctx
);
2681 pipe
->set_sample_mask(pipe
, (1ull << MAX2(1, dstsurf
->texture
->nr_samples
)) - 1);
2683 /* set a framebuffer state */
2684 fb_state
.width
= dstsurf
->width
;
2685 fb_state
.height
= dstsurf
->height
;
2686 fb_state
.nr_cbufs
= 1;
2687 fb_state
.cbufs
[0] = dstsurf
;
2689 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2690 pipe
->set_sample_mask(pipe
, ~0);
2692 blitter_set_common_draw_rect_state(ctx
, false,
2693 util_framebuffer_get_num_samples(&fb_state
) > 1);
2694 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2695 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_vs_passthrough_pos
,
2696 0, 0, dstsurf
->width
, dstsurf
->height
,
2697 0, 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2699 util_blitter_restore_vertex_states(blitter
);
2700 util_blitter_restore_fragment_states(blitter
);
2701 util_blitter_restore_fb_state(blitter
);
2702 util_blitter_restore_render_cond(blitter
);
2703 util_blitter_unset_running_flag(blitter
);
2706 static void *get_custom_vs(struct blitter_context
*blitter
)
2708 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2710 return ctx
->custom_vs
;
2714 * Performs a custom blit to the destination surface, using the VS and FS
2717 * Used by vc4 for the 8-bit linear-to-tiled blit.
2719 void util_blitter_custom_shader(struct blitter_context
*blitter
,
2720 struct pipe_surface
*dstsurf
,
2721 void *custom_vs
, void *custom_fs
)
2723 struct blitter_context_priv
*ctx
= (struct blitter_context_priv
*)blitter
;
2724 struct pipe_context
*pipe
= ctx
->base
.pipe
;
2725 struct pipe_framebuffer_state fb_state
;
2727 ctx
->custom_vs
= custom_vs
;
2729 assert(dstsurf
->texture
);
2730 if (!dstsurf
->texture
)
2733 /* check the saved state */
2734 util_blitter_set_running_flag(blitter
);
2735 blitter_check_saved_vertex_states(ctx
);
2736 blitter_check_saved_fragment_states(ctx
);
2737 blitter_check_saved_fb_state(ctx
);
2738 blitter_disable_render_cond(ctx
);
2741 pipe
->bind_blend_state(pipe
, ctx
->blend
[PIPE_MASK_RGBA
][0]);
2742 pipe
->bind_depth_stencil_alpha_state(pipe
, ctx
->dsa_keep_depth_stencil
);
2743 pipe
->bind_fs_state(pipe
, custom_fs
);
2744 pipe
->set_sample_mask(pipe
, (1ull << MAX2(1, dstsurf
->texture
->nr_samples
)) - 1);
2746 /* set a framebuffer state */
2747 fb_state
.width
= dstsurf
->width
;
2748 fb_state
.height
= dstsurf
->height
;
2749 fb_state
.nr_cbufs
= 1;
2750 fb_state
.cbufs
[0] = dstsurf
;
2752 pipe
->set_framebuffer_state(pipe
, &fb_state
);
2753 pipe
->set_sample_mask(pipe
, ~0);
2755 blitter_set_common_draw_rect_state(ctx
, false,
2756 util_framebuffer_get_num_samples(&fb_state
) > 1);
2757 blitter_set_dst_dimensions(ctx
, dstsurf
->width
, dstsurf
->height
);
2758 blitter
->draw_rectangle(blitter
, ctx
->velem_state
, get_custom_vs
,
2759 0, 0, dstsurf
->width
, dstsurf
->height
,
2760 0, 1, UTIL_BLITTER_ATTRIB_NONE
, NULL
);
2762 util_blitter_restore_vertex_states(blitter
);
2763 util_blitter_restore_fragment_states(blitter
);
2764 util_blitter_restore_fb_state(blitter
);
2765 util_blitter_restore_render_cond(blitter
);
2766 util_blitter_unset_running_flag(blitter
);