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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"
/* panfrost_batch_fence is the out fence of a batch that users or other batches
* might want to wait on. The batch fence lifetime is different from the batch
* one as want will certainly want to wait upon the fence after the batch has
* been submitted (which is when panfrost_batch objects are freed).
*/
struct panfrost_batch_fence {
/* Refcounting object for the fence. */
struct pipe_reference reference;
/* Batch that created this fence object. Will become NULL at batch
* submission time. This field is mainly here to know whether the
* batch has been flushed or not.
*/
struct panfrost_batch *batch;
/* Context this fence is attached to. We need both ctx and batch, as
* the batch will go away after it's been submitted, but the fence
* will stay a bit longer.
*/
struct panfrost_context *ctx;
/* Sync object backing this fence. */
uint32_t syncobj;
/* Cached value of the signaled state to avoid calling WAIT_SYNCOBJs
* when we know the fence has already been signaled.
*/
bool signaled;
};
#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;
/* Amount of thread local storage required per thread */
unsigned stack_size;
/* Amount of shared memory needed per workgroup (for compute) */
unsigned shared_size;
/* 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;
/* The first job in the batch */
mali_ptr first_job;
/* The number of jobs in the primary batch, essentially */
unsigned job_index;
/* A CPU-side pointer to the previous job for next_job linking */
struct mali_job_descriptor_header *prev_job;
/* The dependency for tiler jobs (i.e. the index of the last emitted
* tiler job, or zero if none have been emitted) */
unsigned tiler_dep;
/* The job index of the WRITE_VALUE job (before it has been created) */
unsigned write_value_index;
/* BOs referenced -- will be used for flushing logic */
struct hash_table *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;
/* Scratchpad BO bound to the batch, or NULL if none bound yet */
struct panfrost_bo *scratchpad;
/* Shared memory BO bound to the batch, or NULL if none bound yet */
struct panfrost_bo *shared_memory;
/* Tiler heap BO bound to the batch, or NULL if none bound yet */
struct panfrost_bo *tiler_heap;
/* Dummy tiler BO bound to the batch, or NULL if none bound yet */
struct panfrost_bo *tiler_dummy;
/* Framebuffer descriptor. */
struct panfrost_transfer framebuffer;
/* Output sync object. Only valid when submitted is true. */
struct panfrost_batch_fence *out_sync;
/* Batch dependencies */
struct util_dynarray dependencies;
};
/* Functions for managing the above */
void
panfrost_batch_fence_unreference(struct panfrost_batch_fence *fence);
void
panfrost_batch_fence_reference(struct panfrost_batch_fence *batch);
struct panfrost_batch *
panfrost_get_batch_for_fbo(struct panfrost_context *ctx);
struct panfrost_batch *
panfrost_get_fresh_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,
uint32_t flags);
void panfrost_batch_add_fbo_bos(struct panfrost_batch *batch);
struct panfrost_bo *
panfrost_batch_create_bo(struct panfrost_batch *batch, size_t size,
uint32_t create_flags, uint32_t access_flags);
void
panfrost_flush_all_batches(struct panfrost_context *ctx, bool wait);
bool
panfrost_pending_batches_access_bo(struct panfrost_context *ctx,
const struct panfrost_bo *bo);
void
panfrost_flush_batches_accessing_bo(struct panfrost_context *ctx,
struct panfrost_bo *bo, uint32_t flags);
void
panfrost_batch_set_requirements(struct panfrost_batch *batch);
void
panfrost_batch_adjust_stack_size(struct panfrost_batch *batch);
struct panfrost_bo *
panfrost_batch_get_scratchpad(struct panfrost_batch *batch, unsigned shift, unsigned thread_tls_alloc, unsigned core_count);
struct panfrost_bo *
panfrost_batch_get_shared_memory(struct panfrost_batch *batch, unsigned size, unsigned workgroup_count);
mali_ptr
panfrost_batch_get_polygon_list(struct panfrost_batch *batch, unsigned size);
struct panfrost_bo *
panfrost_batch_get_tiler_heap(struct panfrost_batch *batch);
struct panfrost_bo *
panfrost_batch_get_tiler_dummy(struct panfrost_batch *batch);
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 */
unsigned
panfrost_new_job(
struct panfrost_batch *batch,
enum mali_job_type type,
bool barrier,
unsigned local_dep,
void *payload, size_t payload_size,
bool inject);
void panfrost_scoreboard_initialize_tiler(struct panfrost_batch *batch);
bool
panfrost_batch_is_scanout(struct panfrost_batch *batch);
#endif
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