mesa/src/gallium/drivers/panfrost/pan_job.c

956 lines
34 KiB
C

/*
* Copyright (C) 2019-2020 Collabora, Ltd.
* 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.
*
*/
#include <assert.h>
#include "drm-uapi/panfrost_drm.h"
#include "pan_bo.h"
#include "pan_context.h"
#include "util/hash_table.h"
#include "util/ralloc.h"
#include "util/format/u_format.h"
#include "util/u_pack_color.h"
#include "util/rounding.h"
#include "util/u_framebuffer.h"
#include "pan_util.h"
#include "decode.h"
#define foreach_batch(ctx, idx) \
BITSET_FOREACH_SET(idx, ctx->batches.active, PAN_MAX_BATCHES)
static unsigned
panfrost_batch_idx(struct panfrost_batch *batch)
{
return batch - batch->ctx->batches.slots;
}
/* Adds the BO backing surface to a batch if the surface is non-null */
static void
panfrost_batch_add_surface(struct panfrost_batch *batch, struct pipe_surface *surf)
{
if (surf) {
struct panfrost_resource *rsrc = pan_resource(surf->texture);
panfrost_batch_write_rsrc(batch, rsrc, PIPE_SHADER_FRAGMENT);
}
}
static void
panfrost_batch_init(struct panfrost_context *ctx,
const struct pipe_framebuffer_state *key,
struct panfrost_batch *batch)
{
struct pipe_screen *pscreen = ctx->base.screen;
struct panfrost_screen *screen = pan_screen(pscreen);
struct panfrost_device *dev = &screen->dev;
batch->ctx = ctx;
batch->seqnum = ++ctx->batches.seqnum;
util_dynarray_init(&batch->bos, NULL);
batch->minx = batch->miny = ~0;
batch->maxx = batch->maxy = 0;
util_copy_framebuffer_state(&batch->key, key);
batch->resources =_mesa_set_create(NULL, _mesa_hash_pointer,
_mesa_key_pointer_equal);
/* Preallocate the main pool, since every batch has at least one job
* structure so it will be used */
panfrost_pool_init(&batch->pool, NULL, dev, 0, 65536, "Batch pool", true, true);
/* Don't preallocate the invisible pool, since not every batch will use
* the pre-allocation, particularly if the varyings are larger than the
* preallocation and a reallocation is needed after anyway. */
panfrost_pool_init(&batch->invisible_pool, NULL, dev,
PAN_BO_INVISIBLE, 65536, "Varyings", false, true);
for (unsigned i = 0; i < batch->key.nr_cbufs; ++i)
panfrost_batch_add_surface(batch, batch->key.cbufs[i]);
panfrost_batch_add_surface(batch, batch->key.zsbuf);
screen->vtbl.init_batch(batch);
}
static void
panfrost_batch_cleanup(struct panfrost_context *ctx, struct panfrost_batch *batch)
{
struct panfrost_device *dev = pan_device(ctx->base.screen);
assert(batch->seqnum);
if (ctx->batch == batch)
ctx->batch = NULL;
unsigned batch_idx = panfrost_batch_idx(batch);
pan_bo_access *flags = util_dynarray_begin(&batch->bos);
unsigned end_bo = util_dynarray_num_elements(&batch->bos, pan_bo_access);
for (int i = 0; i < end_bo; ++i) {
if (!flags[i])
continue;
struct panfrost_bo *bo = pan_lookup_bo(dev, i);
panfrost_bo_unreference(bo);
}
set_foreach_remove(batch->resources, entry) {
struct panfrost_resource *rsrc = (void *) entry->key;
if (_mesa_hash_table_search(ctx->writers, rsrc)) {
_mesa_hash_table_remove_key(ctx->writers, rsrc);
rsrc->track.nr_writers--;
}
rsrc->track.nr_users--;
pipe_resource_reference((struct pipe_resource **) &rsrc, NULL);
}
_mesa_set_destroy(batch->resources, NULL);
panfrost_pool_cleanup(&batch->pool);
panfrost_pool_cleanup(&batch->invisible_pool);
util_unreference_framebuffer_state(&batch->key);
util_dynarray_fini(&batch->bos);
memset(batch, 0, sizeof(*batch));
BITSET_CLEAR(ctx->batches.active, batch_idx);
}
static void
panfrost_batch_submit(struct panfrost_context *ctx,
struct panfrost_batch *batch);
static struct panfrost_batch *
panfrost_get_batch(struct panfrost_context *ctx,
const struct pipe_framebuffer_state *key)
{
struct panfrost_batch *batch = NULL;
for (unsigned i = 0; i < PAN_MAX_BATCHES; i++) {
if (ctx->batches.slots[i].seqnum &&
util_framebuffer_state_equal(&ctx->batches.slots[i].key, key)) {
/* We found a match, increase the seqnum for the LRU
* eviction logic.
*/
ctx->batches.slots[i].seqnum = ++ctx->batches.seqnum;
return &ctx->batches.slots[i];
}
if (!batch || batch->seqnum > ctx->batches.slots[i].seqnum)
batch = &ctx->batches.slots[i];
}
assert(batch);
/* The selected slot is used, we need to flush the batch */
if (batch->seqnum)
panfrost_batch_submit(ctx, batch);
panfrost_batch_init(ctx, key, batch);
unsigned batch_idx = panfrost_batch_idx(batch);
BITSET_SET(ctx->batches.active, batch_idx);
return batch;
}
/* Get the job corresponding to the FBO we're currently rendering into */
struct panfrost_batch *
panfrost_get_batch_for_fbo(struct panfrost_context *ctx)
{
/* If we already began rendering, use that */
if (ctx->batch) {
assert(util_framebuffer_state_equal(&ctx->batch->key,
&ctx->pipe_framebuffer));
return ctx->batch;
}
/* If not, look up the job */
struct panfrost_batch *batch = panfrost_get_batch(ctx,
&ctx->pipe_framebuffer);
/* Set this job as the current FBO job. Will be reset when updating the
* FB state and when submitting or releasing a job.
*/
ctx->batch = batch;
panfrost_dirty_state_all(ctx);
return batch;
}
struct panfrost_batch *
panfrost_get_fresh_batch_for_fbo(struct panfrost_context *ctx, const char *reason)
{
struct panfrost_batch *batch;
batch = panfrost_get_batch(ctx, &ctx->pipe_framebuffer);
panfrost_dirty_state_all(ctx);
/* We only need to submit and get a fresh batch if there is no
* draw/clear queued. Otherwise we may reuse the batch. */
if (batch->scoreboard.first_job) {
perf_debug_ctx(ctx, "Flushing the current FBO due to: %s", reason);
panfrost_batch_submit(ctx, batch);
batch = panfrost_get_batch(ctx, &ctx->pipe_framebuffer);
}
ctx->batch = batch;
return batch;
}
static void
panfrost_batch_update_access(struct panfrost_batch *batch,
struct panfrost_resource *rsrc, bool writes)
{
struct panfrost_context *ctx = batch->ctx;
uint32_t batch_idx = panfrost_batch_idx(batch);
struct hash_entry *entry = _mesa_hash_table_search(ctx->writers, rsrc);
struct panfrost_batch *writer = entry ? entry->data : NULL;
bool found = false;
_mesa_set_search_or_add(batch->resources, rsrc, &found);
if (!found) {
/* Cache number of batches accessing a resource */
rsrc->track.nr_users++;
/* Reference the resource on the batch */
pipe_reference(NULL, &rsrc->base.reference);
}
/* Flush users if required */
if (writes || ((writer != NULL) && (writer != batch))) {
unsigned i;
foreach_batch(ctx, i) {
struct panfrost_batch *batch = &ctx->batches.slots[i];
/* Skip the entry if this our batch. */
if (i == batch_idx)
continue;
/* Submit if it's a user */
if (_mesa_set_search(batch->resources, rsrc))
panfrost_batch_submit(ctx, batch);
}
}
if (writes) {
_mesa_hash_table_insert(ctx->writers, rsrc, batch);
rsrc->track.nr_writers++;
}
}
static pan_bo_access *
panfrost_batch_get_bo_access(struct panfrost_batch *batch, unsigned handle)
{
unsigned size = util_dynarray_num_elements(&batch->bos, pan_bo_access);
if (handle >= size) {
unsigned grow = handle + 1 - size;
memset(util_dynarray_grow(&batch->bos, pan_bo_access, grow),
0, grow * sizeof(pan_bo_access));
}
return util_dynarray_element(&batch->bos, pan_bo_access, handle);
}
static void
panfrost_batch_add_bo_old(struct panfrost_batch *batch,
struct panfrost_bo *bo, uint32_t flags)
{
if (!bo)
return;
pan_bo_access *entry =
panfrost_batch_get_bo_access(batch, bo->gem_handle);
pan_bo_access old_flags = *entry;
if (!old_flags) {
batch->num_bos++;
panfrost_bo_reference(bo);
}
if (old_flags == flags)
return;
flags |= old_flags;
*entry = flags;
}
static uint32_t
panfrost_access_for_stage(enum pipe_shader_type stage)
{
return (stage == PIPE_SHADER_FRAGMENT) ?
PAN_BO_ACCESS_FRAGMENT : PAN_BO_ACCESS_VERTEX_TILER;
}
void
panfrost_batch_add_bo(struct panfrost_batch *batch,
struct panfrost_bo *bo, enum pipe_shader_type stage)
{
panfrost_batch_add_bo_old(batch, bo, PAN_BO_ACCESS_READ |
panfrost_access_for_stage(stage));
}
void
panfrost_batch_read_rsrc(struct panfrost_batch *batch,
struct panfrost_resource *rsrc,
enum pipe_shader_type stage)
{
uint32_t access = PAN_BO_ACCESS_READ |
panfrost_access_for_stage(stage);
panfrost_batch_add_bo_old(batch, rsrc->image.data.bo, access);
if (rsrc->image.crc.bo)
panfrost_batch_add_bo_old(batch, rsrc->image.crc.bo, access);
if (rsrc->separate_stencil)
panfrost_batch_add_bo_old(batch, rsrc->separate_stencil->image.data.bo, access);
panfrost_batch_update_access(batch, rsrc, false);
}
void
panfrost_batch_write_rsrc(struct panfrost_batch *batch,
struct panfrost_resource *rsrc,
enum pipe_shader_type stage)
{
uint32_t access = PAN_BO_ACCESS_WRITE |
panfrost_access_for_stage(stage);
panfrost_batch_add_bo_old(batch, rsrc->image.data.bo, access);
if (rsrc->image.crc.bo)
panfrost_batch_add_bo_old(batch, rsrc->image.crc.bo, access);
if (rsrc->separate_stencil)
panfrost_batch_add_bo_old(batch, rsrc->separate_stencil->image.data.bo, access);
panfrost_batch_update_access(batch, rsrc, true);
}
struct panfrost_bo *
panfrost_batch_create_bo(struct panfrost_batch *batch, size_t size,
uint32_t create_flags, enum pipe_shader_type stage,
const char *label)
{
struct panfrost_bo *bo;
bo = panfrost_bo_create(pan_device(batch->ctx->base.screen), size,
create_flags, label);
panfrost_batch_add_bo(batch, bo, stage);
/* panfrost_batch_add_bo() has retained a reference and
* panfrost_bo_create() initialize the refcnt to 1, so let's
* unreference the BO here so it gets released when the batch is
* destroyed (unless it's retained by someone else in the meantime).
*/
panfrost_bo_unreference(bo);
return bo;
}
struct panfrost_bo *
panfrost_batch_get_scratchpad(struct panfrost_batch *batch,
unsigned size_per_thread,
unsigned thread_tls_alloc,
unsigned core_id_range)
{
unsigned size = panfrost_get_total_stack_size(size_per_thread,
thread_tls_alloc,
core_id_range);
if (batch->scratchpad) {
assert(batch->scratchpad->size >= size);
} else {
batch->scratchpad = panfrost_batch_create_bo(batch, size,
PAN_BO_INVISIBLE,
PIPE_SHADER_VERTEX,
"Thread local storage");
panfrost_batch_add_bo(batch, batch->scratchpad,
PIPE_SHADER_FRAGMENT);
}
return batch->scratchpad;
}
struct panfrost_bo *
panfrost_batch_get_shared_memory(struct panfrost_batch *batch,
unsigned size,
unsigned workgroup_count)
{
if (batch->shared_memory) {
assert(batch->shared_memory->size >= size);
} else {
batch->shared_memory = panfrost_batch_create_bo(batch, size,
PAN_BO_INVISIBLE,
PIPE_SHADER_VERTEX,
"Workgroup shared memory");
}
return batch->shared_memory;
}
static void
panfrost_batch_to_fb_info(const struct panfrost_batch *batch,
struct pan_fb_info *fb,
struct pan_image_view *rts,
struct pan_image_view *zs,
struct pan_image_view *s,
bool reserve)
{
memset(fb, 0, sizeof(*fb));
memset(rts, 0, sizeof(*rts) * 8);
memset(zs, 0, sizeof(*zs));
memset(s, 0, sizeof(*s));
fb->width = batch->key.width;
fb->height = batch->key.height;
fb->extent.minx = batch->minx;
fb->extent.miny = batch->miny;
fb->extent.maxx = batch->maxx - 1;
fb->extent.maxy = batch->maxy - 1;
fb->nr_samples = util_framebuffer_get_num_samples(&batch->key);
fb->rt_count = batch->key.nr_cbufs;
fb->sprite_coord_origin = pan_tristate_get(batch->sprite_coord_origin);
fb->first_provoking_vertex = pan_tristate_get(batch->first_provoking_vertex);
static const unsigned char id_swz[] = {
PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y, PIPE_SWIZZLE_Z, PIPE_SWIZZLE_W,
};
for (unsigned i = 0; i < fb->rt_count; i++) {
struct pipe_surface *surf = batch->key.cbufs[i];
if (!surf)
continue;
struct panfrost_resource *prsrc = pan_resource(surf->texture);
unsigned mask = PIPE_CLEAR_COLOR0 << i;
if (batch->clear & mask) {
fb->rts[i].clear = true;
memcpy(fb->rts[i].clear_value, batch->clear_color[i],
sizeof((fb->rts[i].clear_value)));
}
fb->rts[i].discard = !reserve && !(batch->resolve & mask);
rts[i].format = surf->format;
rts[i].dim = MALI_TEXTURE_DIMENSION_2D;
rts[i].last_level = rts[i].first_level = surf->u.tex.level;
rts[i].first_layer = surf->u.tex.first_layer;
rts[i].last_layer = surf->u.tex.last_layer;
rts[i].image = &prsrc->image;
rts[i].nr_samples = surf->nr_samples ? : MAX2(surf->texture->nr_samples, 1);
memcpy(rts[i].swizzle, id_swz, sizeof(rts[i].swizzle));
fb->rts[i].crc_valid = &prsrc->valid.crc;
fb->rts[i].view = &rts[i];
/* Preload if the RT is read or updated */
if (!(batch->clear & mask) &&
((batch->read & mask) ||
((batch->draws & mask) &&
BITSET_TEST(prsrc->valid.data, fb->rts[i].view->first_level))))
fb->rts[i].preload = true;
}
const struct pan_image_view *s_view = NULL, *z_view = NULL;
struct panfrost_resource *z_rsrc = NULL, *s_rsrc = NULL;
if (batch->key.zsbuf) {
struct pipe_surface *surf = batch->key.zsbuf;
z_rsrc = pan_resource(surf->texture);
zs->format = surf->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ?
PIPE_FORMAT_Z32_FLOAT : surf->format;
zs->dim = MALI_TEXTURE_DIMENSION_2D;
zs->last_level = zs->first_level = surf->u.tex.level;
zs->first_layer = surf->u.tex.first_layer;
zs->last_layer = surf->u.tex.last_layer;
zs->image = &z_rsrc->image;
zs->nr_samples = surf->nr_samples ? : MAX2(surf->texture->nr_samples, 1);
memcpy(zs->swizzle, id_swz, sizeof(zs->swizzle));
fb->zs.view.zs = zs;
z_view = zs;
if (util_format_is_depth_and_stencil(zs->format)) {
s_view = zs;
s_rsrc = z_rsrc;
}
if (z_rsrc->separate_stencil) {
s_rsrc = z_rsrc->separate_stencil;
s->format = PIPE_FORMAT_S8_UINT;
s->dim = MALI_TEXTURE_DIMENSION_2D;
s->last_level = s->first_level = surf->u.tex.level;
s->first_layer = surf->u.tex.first_layer;
s->last_layer = surf->u.tex.last_layer;
s->image = &s_rsrc->image;
s->nr_samples = surf->nr_samples ? : MAX2(surf->texture->nr_samples, 1);
memcpy(s->swizzle, id_swz, sizeof(s->swizzle));
fb->zs.view.s = s;
s_view = s;
}
}
if (batch->clear & PIPE_CLEAR_DEPTH) {
fb->zs.clear.z = true;
fb->zs.clear_value.depth = batch->clear_depth;
}
if (batch->clear & PIPE_CLEAR_STENCIL) {
fb->zs.clear.s = true;
fb->zs.clear_value.stencil = batch->clear_stencil;
}
fb->zs.discard.z = !reserve && !(batch->resolve & PIPE_CLEAR_DEPTH);
fb->zs.discard.s = !reserve && !(batch->resolve & PIPE_CLEAR_STENCIL);
if (!fb->zs.clear.z &&
((batch->read & PIPE_CLEAR_DEPTH) ||
((batch->draws & PIPE_CLEAR_DEPTH) &&
z_rsrc && BITSET_TEST(z_rsrc->valid.data, z_view->first_level))))
fb->zs.preload.z = true;
if (!fb->zs.clear.s &&
((batch->read & PIPE_CLEAR_STENCIL) ||
((batch->draws & PIPE_CLEAR_STENCIL) &&
s_rsrc && BITSET_TEST(s_rsrc->valid.data, s_view->first_level))))
fb->zs.preload.s = true;
/* Preserve both component if we have a combined ZS view and
* one component needs to be preserved.
*/
if (s_view == z_view && fb->zs.discard.z != fb->zs.discard.s) {
bool valid = BITSET_TEST(z_rsrc->valid.data, z_view->first_level);
fb->zs.discard.z = false;
fb->zs.discard.s = false;
fb->zs.preload.z = !fb->zs.clear.z && valid;
fb->zs.preload.s = !fb->zs.clear.s && valid;
}
}
static int
panfrost_batch_submit_ioctl(struct panfrost_batch *batch,
mali_ptr first_job_desc,
uint32_t reqs,
uint32_t in_sync,
uint32_t out_sync)
{
struct panfrost_context *ctx = batch->ctx;
struct pipe_context *gallium = (struct pipe_context *) ctx;
struct panfrost_device *dev = pan_device(gallium->screen);
struct drm_panfrost_submit submit = {0,};
uint32_t *bo_handles;
int ret;
/* If we trace, we always need a syncobj, so make one of our own if we
* weren't given one to use. Remember that we did so, so we can free it
* after we're done but preventing double-frees if we were given a
* syncobj */
if (!out_sync && dev->debug & (PAN_DBG_TRACE | PAN_DBG_SYNC))
out_sync = ctx->syncobj;
submit.out_sync = out_sync;
submit.jc = first_job_desc;
submit.requirements = reqs;
if (in_sync) {
submit.in_syncs = (u64)(uintptr_t)(&in_sync);
submit.in_sync_count = 1;
}
bo_handles = calloc(panfrost_pool_num_bos(&batch->pool) +
panfrost_pool_num_bos(&batch->invisible_pool) +
batch->num_bos + 2,
sizeof(*bo_handles));
assert(bo_handles);
pan_bo_access *flags = util_dynarray_begin(&batch->bos);
unsigned end_bo = util_dynarray_num_elements(&batch->bos, pan_bo_access);
for (int i = 0; i < end_bo; ++i) {
if (!flags[i])
continue;
assert(submit.bo_handle_count < batch->num_bos);
bo_handles[submit.bo_handle_count++] = i;
/* Update the BO access flags so that panfrost_bo_wait() knows
* about all pending accesses.
* We only keep the READ/WRITE info since this is all the BO
* wait logic cares about.
* We also preserve existing flags as this batch might not
* be the first one to access the BO.
*/
struct panfrost_bo *bo = pan_lookup_bo(dev, i);
bo->gpu_access |= flags[i] & (PAN_BO_ACCESS_RW);
}
panfrost_pool_get_bo_handles(&batch->pool, bo_handles + submit.bo_handle_count);
submit.bo_handle_count += panfrost_pool_num_bos(&batch->pool);
panfrost_pool_get_bo_handles(&batch->invisible_pool, bo_handles + submit.bo_handle_count);
submit.bo_handle_count += panfrost_pool_num_bos(&batch->invisible_pool);
/* Add the tiler heap to the list of accessed BOs if the batch has at
* least one tiler job. Tiler heap is written by tiler jobs and read
* by fragment jobs (the polygon list is coming from this heap).
*/
if (batch->scoreboard.first_tiler)
bo_handles[submit.bo_handle_count++] = dev->tiler_heap->gem_handle;
/* Always used on Bifrost, occassionally used on Midgard */
bo_handles[submit.bo_handle_count++] = dev->sample_positions->gem_handle;
submit.bo_handles = (u64) (uintptr_t) bo_handles;
if (ctx->is_noop)
ret = 0;
else
ret = drmIoctl(dev->fd, DRM_IOCTL_PANFROST_SUBMIT, &submit);
free(bo_handles);
if (ret)
return errno;
/* Trace the job if we're doing that */
if (dev->debug & (PAN_DBG_TRACE | PAN_DBG_SYNC)) {
/* Wait so we can get errors reported back */
drmSyncobjWait(dev->fd, &out_sync, 1,
INT64_MAX, 0, NULL);
if (dev->debug & PAN_DBG_TRACE)
pandecode_jc(submit.jc, dev->gpu_id);
if (dev->debug & PAN_DBG_DUMP)
pandecode_dump_mappings();
/* Jobs won't be complete if blackhole rendering, that's ok */
if (!ctx->is_noop && dev->debug & PAN_DBG_SYNC)
pandecode_abort_on_fault(submit.jc, dev->gpu_id);
}
return 0;
}
static bool
panfrost_has_fragment_job(struct panfrost_batch *batch)
{
return batch->scoreboard.first_tiler || batch->clear;
}
/* Submit both vertex/tiler and fragment jobs for a batch, possibly with an
* outsync corresponding to the later of the two (since there will be an
* implicit dep between them) */
static int
panfrost_batch_submit_jobs(struct panfrost_batch *batch,
const struct pan_fb_info *fb,
uint32_t in_sync, uint32_t out_sync)
{
struct pipe_screen *pscreen = batch->ctx->base.screen;
struct panfrost_screen *screen = pan_screen(pscreen);
struct panfrost_device *dev = pan_device(pscreen);
bool has_draws = batch->scoreboard.first_job;
bool has_tiler = batch->scoreboard.first_tiler;
bool has_frag = panfrost_has_fragment_job(batch);
int ret = 0;
/* Take the submit lock to make sure no tiler jobs from other context
* are inserted between our tiler and fragment jobs, failing to do that
* might result in tiler heap corruption.
*/
if (has_tiler)
pthread_mutex_lock(&dev->submit_lock);
if (has_draws) {
ret = panfrost_batch_submit_ioctl(batch, batch->scoreboard.first_job,
0, in_sync, has_frag ? 0 : out_sync);
if (ret)
goto done;
}
if (has_frag) {
mali_ptr fragjob = screen->vtbl.emit_fragment_job(batch, fb);
ret = panfrost_batch_submit_ioctl(batch, fragjob,
PANFROST_JD_REQ_FS, 0,
out_sync);
if (ret)
goto done;
}
done:
if (has_tiler)
pthread_mutex_unlock(&dev->submit_lock);
return ret;
}
static void
panfrost_emit_tile_map(struct panfrost_batch *batch, struct pan_fb_info *fb)
{
if (batch->key.nr_cbufs < 1 || !batch->key.cbufs[0])
return;
struct pipe_surface *surf = batch->key.cbufs[0];
struct panfrost_resource *pres = surf ? pan_resource(surf->texture) : NULL;
if (pres && pres->damage.tile_map.enable) {
fb->tile_map.base =
pan_pool_upload_aligned(&batch->pool.base,
pres->damage.tile_map.data,
pres->damage.tile_map.size,
64);
fb->tile_map.stride = pres->damage.tile_map.stride;
}
}
static void
panfrost_batch_submit(struct panfrost_context *ctx,
struct panfrost_batch *batch)
{
struct pipe_screen *pscreen = ctx->base.screen;
struct panfrost_screen *screen = pan_screen(pscreen);
int ret;
/* Nothing to do! */
if (!batch->scoreboard.first_job && !batch->clear)
goto out;
if (batch->key.zsbuf && panfrost_has_fragment_job(batch)) {
struct pipe_surface *surf = batch->key.zsbuf;
struct panfrost_resource *z_rsrc = pan_resource(surf->texture);
/* Shared depth/stencil resources are not supported, and would
* break this optimisation. */
assert(!(z_rsrc->base.bind & PAN_BIND_SHARED_MASK));
if (batch->clear & PIPE_CLEAR_STENCIL) {
z_rsrc->stencil_value = batch->clear_stencil;
z_rsrc->constant_stencil = true;
} else if (z_rsrc->constant_stencil) {
batch->clear_stencil = z_rsrc->stencil_value;
batch->clear |= PIPE_CLEAR_STENCIL;
}
if (batch->draws & PIPE_CLEAR_STENCIL)
z_rsrc->constant_stencil = false;
}
struct pan_fb_info fb;
struct pan_image_view rts[8], zs, s;
panfrost_batch_to_fb_info(batch, &fb, rts, &zs, &s, false);
screen->vtbl.preload(batch, &fb);
screen->vtbl.init_polygon_list(batch);
/* Now that all draws are in, we can finally prepare the
* FBD for the batch (if there is one). */
screen->vtbl.emit_tls(batch);
panfrost_emit_tile_map(batch, &fb);
if (batch->scoreboard.first_tiler || batch->clear)
screen->vtbl.emit_fbd(batch, &fb);
ret = panfrost_batch_submit_jobs(batch, &fb, 0, ctx->syncobj);
if (ret)
fprintf(stderr, "panfrost_batch_submit failed: %d\n", ret);
/* We must reset the damage info of our render targets here even
* though a damage reset normally happens when the DRI layer swaps
* buffers. That's because there can be implicit flushes the GL
* app is not aware of, and those might impact the damage region: if
* part of the damaged portion is drawn during those implicit flushes,
* you have to reload those areas before next draws are pushed, and
* since the driver can't easily know what's been modified by the draws
* it flushed, the easiest solution is to reload everything.
*/
for (unsigned i = 0; i < batch->key.nr_cbufs; i++) {
if (!batch->key.cbufs[i])
continue;
panfrost_resource_set_damage_region(ctx->base.screen,
batch->key.cbufs[i]->texture,
0, NULL);
}
out:
panfrost_batch_cleanup(ctx, batch);
}
/* Submit all batches */
void
panfrost_flush_all_batches(struct panfrost_context *ctx, const char *reason)
{
struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx);
panfrost_batch_submit(ctx, batch);
for (unsigned i = 0; i < PAN_MAX_BATCHES; i++) {
if (ctx->batches.slots[i].seqnum) {
if (reason)
perf_debug_ctx(ctx, "Flushing everything due to: %s", reason);
panfrost_batch_submit(ctx, &ctx->batches.slots[i]);
}
}
}
void
panfrost_flush_writer(struct panfrost_context *ctx,
struct panfrost_resource *rsrc,
const char *reason)
{
struct hash_entry *entry = _mesa_hash_table_search(ctx->writers, rsrc);
if (entry) {
perf_debug_ctx(ctx, "Flushing writer due to: %s", reason);
panfrost_batch_submit(ctx, entry->data);
}
}
void
panfrost_flush_batches_accessing_rsrc(struct panfrost_context *ctx,
struct panfrost_resource *rsrc,
const char *reason)
{
unsigned i;
foreach_batch(ctx, i) {
struct panfrost_batch *batch = &ctx->batches.slots[i];
if (!_mesa_set_search(batch->resources, rsrc))
continue;
perf_debug_ctx(ctx, "Flushing user due to: %s", reason);
panfrost_batch_submit(ctx, batch);
}
}
void
panfrost_batch_adjust_stack_size(struct panfrost_batch *batch)
{
struct panfrost_context *ctx = batch->ctx;
for (unsigned i = 0; i < PIPE_SHADER_TYPES; ++i) {
struct panfrost_shader_state *ss;
ss = panfrost_get_shader_state(ctx, i);
if (!ss)
continue;
batch->stack_size = MAX2(batch->stack_size, ss->info.tls_size);
}
}
void
panfrost_batch_clear(struct panfrost_batch *batch,
unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
struct panfrost_context *ctx = batch->ctx;
if (buffers & PIPE_CLEAR_COLOR) {
for (unsigned i = 0; i < ctx->pipe_framebuffer.nr_cbufs; ++i) {
if (!(buffers & (PIPE_CLEAR_COLOR0 << i)))
continue;
enum pipe_format format = ctx->pipe_framebuffer.cbufs[i]->format;
pan_pack_color(batch->clear_color[i], color, format, false);
}
}
if (buffers & PIPE_CLEAR_DEPTH) {
batch->clear_depth = depth;
}
if (buffers & PIPE_CLEAR_STENCIL) {
batch->clear_stencil = stencil;
}
batch->clear |= buffers;
batch->resolve |= buffers;
/* Clearing affects the entire framebuffer (by definition -- this is
* the Gallium clear callback, which clears the whole framebuffer. If
* the scissor test were enabled from the GL side, the gallium frontend
* would emit a quad instead and we wouldn't go down this code path) */
panfrost_batch_union_scissor(batch, 0, 0,
ctx->pipe_framebuffer.width,
ctx->pipe_framebuffer.height);
}
/* Given a new bounding rectangle (scissor), let the job cover the union of the
* new and old bounding rectangles */
void
panfrost_batch_union_scissor(struct panfrost_batch *batch,
unsigned minx, unsigned miny,
unsigned maxx, unsigned maxy)
{
batch->minx = MIN2(batch->minx, minx);
batch->miny = MIN2(batch->miny, miny);
batch->maxx = MAX2(batch->maxx, maxx);
batch->maxy = MAX2(batch->maxy, maxy);
}
/**
* Checks if rasterization should be skipped. If not, a TILER job must be
* created for each draw, or the IDVS flow must be used.
*
* As a special case, if there is no vertex shader, no primitives are generated,
* meaning the whole pipeline (including rasterization) should be skipped.
*/
bool
panfrost_batch_skip_rasterization(struct panfrost_batch *batch)
{
struct panfrost_context *ctx = batch->ctx;
struct pipe_rasterizer_state *rast = (void *) ctx->rasterizer;
return (rast->rasterizer_discard ||
batch->scissor_culls_everything ||
!batch->rsd[PIPE_SHADER_VERTEX]);
}