2 * Copyright (C) 2019 Alyssa Rosenzweig
3 * Copyright (C) 2014-2017 Broadcom
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 #include "pan_context.h"
27 #include "util/hash_table.h"
28 #include "util/ralloc.h"
29 #include "util/u_format.h"
32 panfrost_create_job(struct panfrost_context
*ctx
)
34 struct panfrost_job
*job
= rzalloc(NULL
, struct panfrost_job
);
38 job
->bos
= _mesa_set_create(job
,
40 _mesa_key_pointer_equal
);
46 panfrost_free_job(struct panfrost_context
*ctx
, struct panfrost_job
*job
)
51 set_foreach(job
->bos
, entry
) {
52 struct panfrost_bo
*bo
= (struct panfrost_bo
*)entry
->key
;
53 panfrost_bo_unreference(ctx
->base
.screen
, bo
);
56 _mesa_hash_table_remove_key(ctx
->jobs
, &job
->key
);
65 panfrost_get_job(struct panfrost_context
*ctx
,
66 struct pipe_surface
**cbufs
, struct pipe_surface
*zsbuf
)
68 /* Lookup the job first */
70 struct panfrost_job_key key
= {
80 struct hash_entry
*entry
= _mesa_hash_table_search(ctx
->jobs
, &key
);
85 /* Otherwise, let's create a job */
87 struct panfrost_job
*job
= panfrost_create_job(ctx
);
89 /* Save the created job */
91 memcpy(&job
->key
, &key
, sizeof(key
));
92 _mesa_hash_table_insert(ctx
->jobs
, &job
->key
, job
);
93 panfrost_job_set_requirements(ctx
, job
);
98 /* Get the job corresponding to the FBO we're currently rendering into */
100 struct panfrost_job
*
101 panfrost_get_job_for_fbo(struct panfrost_context
*ctx
)
103 /* If we already began rendering, use that */
108 /* If not, look up the job */
110 struct pipe_surface
**cbufs
= ctx
->pipe_framebuffer
.cbufs
;
111 struct pipe_surface
*zsbuf
= ctx
->pipe_framebuffer
.zsbuf
;
112 struct panfrost_job
*job
= panfrost_get_job(ctx
, cbufs
, zsbuf
);
118 panfrost_job_add_bo(struct panfrost_job
*job
, struct panfrost_bo
*bo
)
123 if (_mesa_set_search(job
->bos
, bo
))
126 panfrost_bo_reference(bo
);
127 _mesa_set_add(job
->bos
, bo
);
131 panfrost_flush_jobs_writing_resource(struct panfrost_context
*panfrost
,
132 struct pipe_resource
*prsc
)
135 struct hash_entry
*entry
= _mesa_hash_table_search(panfrost
->write_jobs
,
138 struct panfrost_job
*job
= entry
->data
;
139 panfrost_job_submit(panfrost
, job
);
146 panfrost_job_submit(struct panfrost_context
*ctx
, struct panfrost_job
*job
)
148 struct pipe_context
*gallium
= (struct pipe_context
*) ctx
;
149 struct panfrost_screen
*screen
= pan_screen(gallium
->screen
);
152 bool has_draws
= ctx
->draw_count
> 0;
153 bool is_scanout
= panfrost_is_scanout(ctx
);
158 ret
= screen
->driver
->submit_vs_fs_job(ctx
, has_draws
, is_scanout
);
161 fprintf(stderr
, "panfrost_job_submit failed: %d\n", ret
);
163 /* Reset job counters */
165 ctx
->vertex_job_count
= 0;
166 ctx
->tiler_job_count
= 0;
170 panfrost_job_set_requirements(struct panfrost_context
*ctx
,
171 struct panfrost_job
*job
)
173 if (ctx
->rasterizer
&& ctx
->rasterizer
->base
.multisample
)
174 job
->requirements
|= PAN_REQ_MSAA
;
176 if (ctx
->depth_stencil
&& ctx
->depth_stencil
->depth
.writemask
)
177 job
->requirements
|= PAN_REQ_DEPTH_WRITE
;
181 pan_pack_color(const union pipe_color_union
*color
, enum pipe_format format
)
183 /* Alpha magicked to 1.0 if there is no alpha */
185 bool has_alpha
= util_format_has_alpha(format
);
186 float clear_alpha
= has_alpha
? color
->f
[3] : 1.0f
;
188 /* Packed color depends on the framebuffer format */
190 const struct util_format_description
*desc
=
191 util_format_description(format
);
193 if (util_format_is_rgba8_variant(desc
)) {
194 return (float_to_ubyte(clear_alpha
) << 24) |
195 (float_to_ubyte(color
->f
[2]) << 16) |
196 (float_to_ubyte(color
->f
[1]) << 8) |
197 (float_to_ubyte(color
->f
[0]) << 0);
198 } else if (format
== PIPE_FORMAT_B5G6R5_UNORM
) {
199 /* First, we convert the components to R5, G6, B5 separately */
200 unsigned r5
= CLAMP(color
->f
[0], 0.0, 1.0) * 31.0;
201 unsigned g6
= CLAMP(color
->f
[1], 0.0, 1.0) * 63.0;
202 unsigned b5
= CLAMP(color
->f
[2], 0.0, 1.0) * 31.0;
204 /* Then we pack into a sparse u32. TODO: Why these shifts? */
205 return (b5
<< 25) | (g6
<< 14) | (r5
<< 5);
215 panfrost_job_clear(struct panfrost_context
*ctx
,
216 struct panfrost_job
*job
,
218 const union pipe_color_union
*color
,
219 double depth
, unsigned stencil
)
222 if (buffers
& PIPE_CLEAR_COLOR
) {
223 enum pipe_format format
= ctx
->pipe_framebuffer
.cbufs
[0]->format
;
224 job
->clear_color
= pan_pack_color(color
, format
);
227 if (buffers
& PIPE_CLEAR_DEPTH
) {
228 job
->clear_depth
= depth
;
231 if (buffers
& PIPE_CLEAR_STENCIL
) {
232 job
->clear_stencil
= stencil
;
235 job
->clear
|= buffers
;
239 panfrost_flush_jobs_reading_resource(struct panfrost_context
*panfrost
,
240 struct pipe_resource
*prsc
)
242 struct panfrost_resource
*rsc
= pan_resource(prsc
);
244 panfrost_flush_jobs_writing_resource(panfrost
, prsc
);
246 hash_table_foreach(panfrost
->jobs
, entry
) {
247 struct panfrost_job
*job
= entry
->data
;
249 if (_mesa_set_search(job
->bos
, rsc
->bo
)) {
250 printf("TODO: submit job for flush\n");
251 //panfrost_job_submit(panfrost, job);
258 panfrost_job_compare(const void *a
, const void *b
)
260 return memcmp(a
, b
, sizeof(struct panfrost_job_key
)) == 0;
264 panfrost_job_hash(const void *key
)
266 return _mesa_hash_data(key
, sizeof(struct panfrost_job_key
));
270 panfrost_job_init(struct panfrost_context
*ctx
)
272 ctx
->jobs
= _mesa_hash_table_create(ctx
,
274 panfrost_job_compare
);
276 ctx
->write_jobs
= _mesa_hash_table_create(ctx
,
278 _mesa_key_pointer_equal
);