2 * Copyright © 2017 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
25 #include "pipe/p_defines.h"
26 #include "pipe/p_state.h"
27 #include "pipe/p_context.h"
28 #include "pipe/p_screen.h"
29 #include "util/u_inlines.h"
30 #include "util/u_format.h"
31 #include "util/u_upload_mgr.h"
32 #include "util/ralloc.h"
33 #include "iris_context.h"
34 #include "iris_resource.h"
35 #include "iris_screen.h"
36 #include "intel/compiler/brw_compiler.h"
39 * The pipe->clear() driver hook.
41 * This clears buffers attached to the current draw framebuffer.
44 iris_clear(struct pipe_context
*ctx
,
46 const union pipe_color_union
*p_color
,
50 struct iris_context
*ice
= (void *) ctx
;
51 struct pipe_framebuffer_state
*cso_fb
= &ice
->state
.framebuffer
;
54 struct iris_batch
*batch
= &ice
->batches
[IRIS_BATCH_RENDER
];
56 if (ice
->state
.predicate
== IRIS_PREDICATE_STATE_DONT_RENDER
)
59 enum blorp_batch_flags blorp_flags
= 0;
60 if (ice
->state
.predicate
== IRIS_PREDICATE_STATE_USE_BIT
)
61 blorp_flags
|= BLORP_BATCH_PREDICATE_ENABLE
;
63 iris_batch_maybe_flush(batch
, 1500);
65 struct blorp_batch blorp_batch
;
66 blorp_batch_init(&ice
->blorp
, &blorp_batch
, batch
, blorp_flags
);
68 if (buffers
& PIPE_CLEAR_DEPTHSTENCIL
) {
69 struct pipe_surface
*psurf
= cso_fb
->zsbuf
;
70 struct iris_resource
*z_res
;
71 struct iris_resource
*stencil_res
;
72 struct blorp_surf z_surf
;
73 struct blorp_surf stencil_surf
;
74 const unsigned num_layers
=
75 psurf
->u
.tex
.last_layer
- psurf
->u
.tex
.first_layer
+ 1;
77 iris_get_depth_stencil_resources(psurf
->texture
, &z_res
, &stencil_res
);
80 iris_blorp_surf_for_resource(&z_surf
, &z_res
->base
,
81 ISL_AUX_USAGE_NONE
, true);
85 iris_blorp_surf_for_resource(&stencil_surf
, &stencil_res
->base
,
86 ISL_AUX_USAGE_NONE
, true);
89 blorp_clear_depth_stencil(&blorp_batch
, &z_surf
, &stencil_surf
,
90 psurf
->u
.tex
.level
, psurf
->u
.tex
.first_layer
,
91 num_layers
, 0, 0, psurf
->width
, psurf
->height
,
92 (buffers
& PIPE_CLEAR_DEPTH
) != 0, depth
,
93 (buffers
& PIPE_CLEAR_STENCIL
) ? 0xff : 0,
97 if (buffers
& PIPE_CLEAR_COLOR
) {
98 /* pipe_color_union and isl_color_value are interchangeable */
99 union isl_color_value
*clear_color
= (void *) p_color
;
100 bool color_write_disable
[4] = { false, false, false, false };
102 for (unsigned i
= 0; i
< cso_fb
->nr_cbufs
; i
++) {
103 if (buffers
& (PIPE_CLEAR_COLOR0
<< i
)) {
104 struct pipe_surface
*psurf
= cso_fb
->cbufs
[i
];
105 struct iris_surface
*isurf
= (void *) psurf
;
106 struct blorp_surf surf
;
108 iris_blorp_surf_for_resource(&surf
, psurf
->texture
,
109 ISL_AUX_USAGE_NONE
, true);
111 blorp_clear(&blorp_batch
, &surf
, isurf
->view
.format
,
112 ISL_SWIZZLE_IDENTITY
,
113 psurf
->u
.tex
.level
, psurf
->u
.tex
.first_layer
,
114 psurf
->u
.tex
.last_layer
- psurf
->u
.tex
.first_layer
+ 1,
115 0, 0, psurf
->width
, psurf
->height
,
116 *clear_color
, color_write_disable
);
121 blorp_batch_finish(&blorp_batch
);
125 iris_clear_texture(struct pipe_context
*ctx
,
126 struct pipe_resource
*p_res
,
128 const struct pipe_box
*box
,
131 struct iris_context
*ice
= (void *) ctx
;
132 struct iris_resource
*res
= (void *) p_res
;
134 struct iris_batch
*batch
= &ice
->batches
[IRIS_BATCH_RENDER
];
135 const struct gen_device_info
*devinfo
= &batch
->screen
->devinfo
;
137 iris_batch_maybe_flush(batch
, 1500);
139 struct blorp_batch blorp_batch
;
140 blorp_batch_init(&ice
->blorp
, &blorp_batch
, batch
, 0);
142 if (util_format_is_depth_or_stencil(p_res
->format
)) {
143 const struct util_format_description
*fmt_desc
=
144 util_format_description(p_res
->format
);
146 struct iris_resource
*z_res
;
147 struct iris_resource
*stencil_res
;
148 struct blorp_surf z_surf
;
149 struct blorp_surf stencil_surf
;
154 iris_get_depth_stencil_resources(p_res
, &z_res
, &stencil_res
);
157 iris_blorp_surf_for_resource(&z_surf
, &z_res
->base
,
158 ISL_AUX_USAGE_NONE
, true);
159 fmt_desc
->unpack_z_float(&depth
, 0, data
, 0, 1, 1);
163 iris_blorp_surf_for_resource(&stencil_surf
, &stencil_res
->base
,
164 ISL_AUX_USAGE_NONE
, true);
165 fmt_desc
->unpack_s_8uint(&stencil
, 0, data
, 0, 1, 1);
168 blorp_clear_depth_stencil(&blorp_batch
, &z_surf
, &stencil_surf
,
169 level
, box
->z
, box
->depth
,
172 box
->y
+ box
->height
,
173 z_res
!= NULL
, depth
,
174 stencil_res
? 0xff : 0, stencil
);
176 union isl_color_value color
;
177 bool color_write_disable
[4] = { false, false, false, false };
178 struct blorp_surf surf
;
179 iris_blorp_surf_for_resource(&surf
, p_res
, ISL_AUX_USAGE_NONE
, true);
181 enum isl_format format
= res
->surf
.format
;
183 if (!isl_format_supports_rendering(devinfo
, format
) &&
184 isl_format_is_rgbx(format
))
185 format
= isl_format_rgbx_to_rgba(format
);
187 if (!isl_format_supports_rendering(devinfo
, format
)) {
188 const struct isl_format_layout
*fmtl
= isl_format_get_layout(format
);
189 // XXX: actually just get_copy_format_for_bpb from BLORP
190 // XXX: don't cut and paste this
192 case 8: format
= ISL_FORMAT_R8_UINT
; break;
193 case 16: format
= ISL_FORMAT_R8G8_UINT
; break;
194 case 24: format
= ISL_FORMAT_R8G8B8_UINT
; break;
195 case 32: format
= ISL_FORMAT_R8G8B8A8_UINT
; break;
196 case 48: format
= ISL_FORMAT_R16G16B16_UINT
; break;
197 case 64: format
= ISL_FORMAT_R16G16B16A16_UINT
; break;
198 case 96: format
= ISL_FORMAT_R32G32B32_UINT
; break;
199 case 128: format
= ISL_FORMAT_R32G32B32A32_UINT
; break;
201 unreachable("Unknown format bpb");
205 isl_color_value_unpack(&color
, format
, data
);
207 blorp_clear(&blorp_batch
, &surf
, format
, ISL_SWIZZLE_IDENTITY
,
208 level
, box
->z
, box
->depth
, box
->x
, box
->y
,
209 box
->x
+ box
->width
, box
->y
+ box
->height
,
210 color
, color_write_disable
);
213 blorp_batch_finish(&blorp_batch
);
218 iris_clear_render_target(struct pipe_context
*ctx
,
219 struct pipe_surface
*dst
,
220 const union pipe_color_union
*color
,
221 unsigned dst_x
, unsigned dst_y
,
222 unsigned width
, unsigned height
,
223 bool render_condition_enabled
)
225 fprintf(stderr
, "XXX: iris_clear_render_target\n");
229 iris_clear_depth_stencil(struct pipe_context
*ctx
,
230 struct pipe_surface
*dst
,
231 unsigned clear_flags
,
234 unsigned dst_x
, unsigned dst_y
,
235 unsigned width
, unsigned height
,
236 bool render_condition_enabled
)
238 fprintf(stderr
, "XXX: iris_clear_depth_stencil\n");
242 iris_init_clear_functions(struct pipe_context
*ctx
)
244 ctx
->clear
= iris_clear
;
245 ctx
->clear_texture
= iris_clear_texture
;
246 ctx
->clear_render_target
= iris_clear_render_target
;
247 ctx
->clear_depth_stencil
= iris_clear_depth_stencil
;