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      1 /*
      2  * Copyright 2018-2019 Alyssa Rosenzweig
      3  *
      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:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     21  * SOFTWARE.
     22  *
     23  */
     24 
     25 #include "pan_context.h"
     26 #include "pan_util.h"
     27 #include "pan_format.h"
     28 
     29 #include "util/u_format.h"
     30 
     31 /* Generate a fragment job. This should be called once per frame. (According to
     32  * presentations, this is supposed to correspond to eglSwapBuffers) */
     33 
     34 mali_ptr
     35 panfrost_fragment_job(struct panfrost_context *ctx)
     36 {
     37         /* TODO: Check viewport or something */
     38         bool flip_y = panfrost_is_scanout(ctx);
     39 
     40         mali_ptr framebuffer = ctx->require_sfbd ?
     41                 panfrost_sfbd_fragment(ctx, flip_y) :
     42                 panfrost_mfbd_fragment(ctx, flip_y);
     43 
     44         struct mali_job_descriptor_header header = {
     45                 .job_type = JOB_TYPE_FRAGMENT,
     46                 .job_index = 1,
     47 #ifdef __LP64__
     48                 .job_descriptor_size = 1
     49 #endif
     50         };
     51 
     52         struct mali_payload_fragment payload = {
     53                 .min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(0, 0),
     54                 .max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height),
     55                 .framebuffer = framebuffer,
     56         };
     57 
     58         /* Normally, there should be no padding. However, fragment jobs are
     59          * shared with 64-bit Bifrost systems, and accordingly there is 4-bytes
     60          * of zero padding in between. */
     61 
     62         struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(header) + sizeof(payload));
     63         memcpy(transfer.cpu, &header, sizeof(header));
     64         memcpy(transfer.cpu + sizeof(header), &payload, sizeof(payload));
     65         return transfer.gpu;
     66 }
     67