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/*
* Copyright (C) 2019 Alyssa Rosenzweig
* Copyright (C) 2014-2017 Broadcom
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef __PAN_JOB_H__
#define __PAN_JOB_H__
#include "util/u_dynarray.h"
#include "pipe/p_state.h"
#include "pan_allocate.h"
#include "pan_resource.h"
#define PAN_REQ_MSAA (1 << 0)
#define PAN_REQ_DEPTH_WRITE (1 << 1)
/* A panfrost_batch corresponds to a bound FBO we're rendering to,
* collecting over multiple draws. */
struct panfrost_batch {
struct panfrost_context *ctx;
struct pipe_framebuffer_state key;
/* Buffers cleared (PIPE_CLEAR_* bitmask) */
unsigned clear;
/* Packed clear values, indexed by both render target as well as word.
* Essentially, a single pixel is packed, with some padding to bring it
* up to a 32-bit interval; that pixel is then duplicated over to fill
* all 16-bytes */
uint32_t clear_color[PIPE_MAX_COLOR_BUFS][4];
float clear_depth;
unsigned clear_stencil;
/* Whether this job uses the corresponding requirement (PAN_REQ_*
* bitmask) */
unsigned requirements;
/* The bounding box covered by this job, taking scissors into account.
* Basically, the bounding box we have to run fragment shaders for */
unsigned minx, miny;
unsigned maxx, maxy;
/* CPU pointers to the job descriptor headers. next_job is only
* set at submit time (since only then are all the dependencies
* known). The upshot is that this is append-only.
*
* These arrays contain the headers for the "primary batch", our jargon
* referring to the part of the panfrost_job that actually contains
* meaningful work. In an OpenGL ES setting, that means the
* SET_VALUE/VERTEX/TILER jobs. Excluded is specifically the FRAGMENT
* job, which is sent on as a secondary batch containing only a single
* hardware job. Since there's one and only one FRAGMENT job issued per
* panfrost_job, there is no need to do any scoreboarding / management;
* it's easy enough to open-code it and it's not like we can get any
* better anyway. */
struct util_dynarray headers;
/* (And the GPU versions; TODO maybe combine) */
struct util_dynarray gpu_headers;
/* The last job in the primary batch */
struct panfrost_transfer last_job;
/* The first/last tiler job */
struct panfrost_transfer first_tiler;
struct panfrost_transfer last_tiler;
/* The first vertex job used as the input to a tiler job */
struct panfrost_transfer first_vertex_for_tiler;
/* The first job. Notice we've created a linked list */
struct panfrost_transfer first_job;
/* The number of jobs in the primary batch, essentially */
unsigned job_index;
/* BOs referenced -- will be used for flushing logic */
struct set *bos;
/* Current transient BO */
struct panfrost_bo *transient_bo;
/* Within the topmost transient BO, how much has been used? */
unsigned transient_offset;
/* Polygon list bound to the batch, or NULL if none bound yet */
struct panfrost_bo *polygon_list;
/* Framebuffer descriptor. */
mali_ptr framebuffer;
};
/* Functions for managing the above */
struct panfrost_batch *
panfrost_get_batch_for_fbo(struct panfrost_context *ctx);
void
panfrost_batch_init(struct panfrost_context *ctx);
void
panfrost_batch_add_bo(struct panfrost_batch *batch, struct panfrost_bo *bo);
void
panfrost_batch_submit(struct panfrost_batch *batch);
void
panfrost_batch_set_requirements(struct panfrost_batch *batch);
mali_ptr
panfrost_batch_get_polygon_list(struct panfrost_batch *batch, unsigned size);
void
panfrost_batch_clear(struct panfrost_batch *batch,
unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil);
void
panfrost_batch_union_scissor(struct panfrost_batch *batch,
unsigned minx, unsigned miny,
unsigned maxx, unsigned maxy);
void
panfrost_batch_intersection_scissor(struct panfrost_batch *batch,
unsigned minx, unsigned miny,
unsigned maxx, unsigned maxy);
/* Scoreboarding */
void
panfrost_scoreboard_queue_compute_job(
struct panfrost_batch *batch,
struct panfrost_transfer job);
void
panfrost_scoreboard_queue_vertex_job(
struct panfrost_batch *batch,
struct panfrost_transfer vertex,
bool requires_tiling);
void
panfrost_scoreboard_queue_tiler_job(
struct panfrost_batch *batch,
struct panfrost_transfer tiler);
void
panfrost_scoreboard_queue_fused_job(
struct panfrost_batch *batch,
struct panfrost_transfer vertex,
struct panfrost_transfer tiler);
void
panfrost_scoreboard_queue_fused_job_prepend(
struct panfrost_batch *batch,
struct panfrost_transfer vertex,
struct panfrost_transfer tiler);
void
panfrost_scoreboard_link_batch(struct panfrost_batch *batch);
bool
panfrost_batch_is_scanout(struct panfrost_batch *batch);
#endif
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