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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_cs.h"
#include "pan_mempool.h"
#include "pan_resource.h"
#include "pan_scoreboard.h"
/* Simple tri-state data structure. In the default "don't care" state, the value
* may be set to true or false. However, once the value is set, it must not be
* changed. Declared inside of a struct to prevent casting to bool, which is an
* error. The getter needs to be used instead.
*/
struct pan_tristate {
enum {
PAN_TRISTATE_DONTCARE,
PAN_TRISTATE_FALSE,
PAN_TRISTATE_TRUE,
} v;
};
/*
* Try to set a tristate value to a desired boolean value. Returns whether the
* operation is successful.
*/
static bool
pan_tristate_set(struct pan_tristate *state, bool value)
{
switch (state->v) {
case PAN_TRISTATE_DONTCARE:
state->v = value ? PAN_TRISTATE_TRUE : PAN_TRISTATE_FALSE;
return true;
case PAN_TRISTATE_FALSE:
return (value == false);
case PAN_TRISTATE_TRUE:
return (value == true);
default:
unreachable("Invalid tristate value");
}
}
/*
* Read the boolean value of a tristate. Return value undefined in the don't
* care state.
*/
static bool
pan_tristate_get(struct pan_tristate state)
{
return (state.v == PAN_TRISTATE_TRUE);
}
/* 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;
/* Sequence number used to implement LRU eviction when all batch slots are used */
uint64_t seqnum;
/* Buffers cleared (PIPE_CLEAR_* bitmask) */
unsigned clear;
/* Buffers drawn */
unsigned draws;
/* Buffers read */
unsigned read;
/* Buffers needing resolve to memory */
unsigned resolve;
/* 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;
/* 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;
/* Acts as a rasterizer discard */
bool scissor_culls_everything;
/* BOs referenced not in the pool */
unsigned num_bos;
struct util_dynarray bos;
/* Pool owned by this batch (released when the batch is released) used for temporary descriptors */
struct panfrost_pool pool;
/* Pool also owned by this batch that is not CPU mapped (created as
* INVISIBLE) used for private GPU-internal structures, particularly
* varyings */
struct panfrost_pool invisible_pool;
/* Job scoreboarding state */
struct pan_scoreboard scoreboard;
/* 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;
/* Framebuffer descriptor. */
struct panfrost_ptr framebuffer;
/* Thread local storage descriptor. */
struct panfrost_ptr tls;
/* Tiler context */
struct pan_tiler_context tiler_ctx;
/* Indirect draw data */
struct panfrost_ptr indirect_draw_ctx;
unsigned indirect_draw_job_id;
/* Keep the num_work_groups sysval around for indirect dispatch */
mali_ptr num_wg_sysval[3];
/* Cached descriptors */
mali_ptr viewport;
mali_ptr rsd[PIPE_SHADER_TYPES];
mali_ptr textures[PIPE_SHADER_TYPES];
mali_ptr samplers[PIPE_SHADER_TYPES];
mali_ptr attribs[PIPE_SHADER_TYPES];
mali_ptr attrib_bufs[PIPE_SHADER_TYPES];
mali_ptr uniform_buffers[PIPE_SHADER_TYPES];
mali_ptr push_uniforms[PIPE_SHADER_TYPES];
mali_ptr depth_stencil;
mali_ptr blend;
/* Valhall: struct mali_scissor_packed */
unsigned scissor[2];
float minimum_z, maximum_z;
/* Used on Valhall only. Midgard includes attributes in-band with
* attributes, wildly enough.
*/
mali_ptr images[PIPE_SHADER_TYPES];
/* On Valhall, these are properties of the batch. On Bifrost, they are
* per draw.
*/
struct pan_tristate sprite_coord_origin;
struct pan_tristate first_provoking_vertex;
/* Referenced resources */
struct set *resources;
};
/* Functions for managing the above */
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, const char *reason);
void
panfrost_batch_add_bo(struct panfrost_batch *batch,
struct panfrost_bo *bo,
enum pipe_shader_type stage);
void
panfrost_batch_read_rsrc(struct panfrost_batch *batch,
struct panfrost_resource *rsrc,
enum pipe_shader_type stage);
void
panfrost_batch_write_rsrc(struct panfrost_batch *batch,
struct panfrost_resource *rsrc,
enum pipe_shader_type stage);
void
panfrost_resource_swap_bo(struct panfrost_context *ctx,
struct panfrost_resource *rsrc,
struct panfrost_bo *newbo);
struct panfrost_bo *
panfrost_batch_create_bo(struct panfrost_batch *batch, size_t size,
uint32_t create_flags, uint32_t access_flags,
const char *label);
void
panfrost_flush_all_batches(struct panfrost_context *ctx, const char *reason);
void
panfrost_flush_batches_accessing_rsrc(struct panfrost_context *ctx,
struct panfrost_resource *rsrc,
const char *reason);
void
panfrost_flush_writer(struct panfrost_context *ctx,
struct panfrost_resource *rsrc,
const char *reason);
void
panfrost_batch_adjust_stack_size(struct panfrost_batch *batch);
struct panfrost_bo *
panfrost_batch_get_scratchpad(struct panfrost_batch *batch, unsigned size, unsigned thread_tls_alloc, unsigned core_id_range);
struct panfrost_bo *
panfrost_batch_get_shared_memory(struct panfrost_batch *batch, unsigned size, unsigned workgroup_count);
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);
bool
panfrost_batch_skip_rasterization(struct panfrost_batch *batch);
#endif
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