#include "drm-uapi/drm_fourcc.h"
#include "state_tracker/winsys_handle.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
#include "util/u_memory.h"
#include "util/u_surface.h"
#include "util/u_transfer.h"
#include "util/u_transfer_helper.h"
#include "util/u_gen_mipmap.h"
+#include "pan_bo.h"
#include "pan_context.h"
#include "pan_screen.h"
#include "pan_resource.h"
#include "pan_util.h"
#include "pan_tiling.h"
+#include "panfrost-quirks.h"
+
+void
+panfrost_resource_reset_damage(struct panfrost_resource *pres)
+{
+ /* We set the damage extent to the full resource size but keep the
+ * damage box empty so that the FB content is reloaded by default.
+ */
+ memset(&pres->damage, 0, sizeof(pres->damage));
+ pres->damage.extent.maxx = pres->base.width0;
+ pres->damage.extent.maxy = pres->base.height0;
+}
static struct pipe_resource *
panfrost_resource_from_handle(struct pipe_screen *pscreen,
pipe_reference_init(&prsc->reference, 1);
prsc->screen = pscreen;
- rsc->bo = panfrost_drm_import_bo(screen, whandle->handle);
+ rsc->bo = panfrost_bo_import(screen, whandle->handle);
+ rsc->internal_format = templat->format;
rsc->slices[0].stride = whandle->stride;
+ rsc->slices[0].offset = whandle->offset;
rsc->slices[0].initialized = true;
+ panfrost_resource_reset_damage(rsc);
if (screen->ro) {
rsc->scanout =
return prsc;
}
-static boolean
+static bool
panfrost_resource_get_handle(struct pipe_screen *pscreen,
struct pipe_context *ctx,
struct pipe_resource *pt,
handle->modifier = DRM_FORMAT_MOD_INVALID;
if (handle->type == WINSYS_HANDLE_TYPE_SHARED) {
- return FALSE;
+ return false;
} else if (handle->type == WINSYS_HANDLE_TYPE_KMS) {
if (renderonly_get_handle(scanout, handle))
- return TRUE;
+ return true;
handle->handle = rsrc->bo->gem_handle;
handle->stride = rsrc->slices[0].stride;
+ handle->offset = rsrc->slices[0].offset;
return TRUE;
} else if (handle->type == WINSYS_HANDLE_TYPE_FD) {
if (scanout) {
int ret = drmIoctl(screen->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
if (ret == -1)
- return FALSE;
+ return false;
handle->stride = scanout->stride;
handle->handle = args.fd;
- return TRUE;
+ return true;
} else {
- int fd = panfrost_drm_export_bo(screen, rsrc->bo);
+ int fd = panfrost_bo_export(rsrc->bo);
if (fd < 0)
- return FALSE;
+ return false;
handle->handle = fd;
handle->stride = rsrc->slices[0].stride;
- return TRUE;
+ handle->offset = rsrc->slices[0].offset;
+ return true;
}
}
- return FALSE;
+ return false;
}
static void
/* We don't need to align depth */
}
+ /* Align levels to cache-line as a performance improvement for
+ * linear/tiled and as a requirement for AFBC */
+
+ offset = ALIGN_POT(offset, 64);
+
slice->offset = offset;
/* Compute the would-be stride */
unsigned stride = bytes_per_pixel * effective_width;
+ if (util_format_is_compressed(res->format))
+ stride /= 4;
+
/* ..but cache-line align it for performance */
if (can_align_stride && pres->layout == PAN_LINEAR)
stride = ALIGN_POT(stride, 64);
unsigned slice_one_size = slice->stride * effective_height;
unsigned slice_full_size = slice_one_size * effective_depth;
+ slice->size0 = slice_one_size;
+
/* Report 2D size for 3D texturing */
if (l == 0)
* AFBC: Compressed and renderable (so always desirable for non-scanout
* rendertargets). Cheap to sample from. The format is black box, so we
* can't read/write from software.
- */
-
- /* Tiling textures is almost always faster, unless we only use it once */
-
- bool is_texture = (res->bind & PIPE_BIND_SAMPLER_VIEW);
- bool is_2d = res->depth0 == 1 && res->array_size == 1;
- bool is_streaming = (res->usage != PIPE_USAGE_STREAM);
-
- bool should_tile = is_streaming && is_texture && is_2d;
-
- /* Depth/stencil can't be tiled, only linear or AFBC */
- should_tile &= !(res->bind & PIPE_BIND_DEPTH_STENCIL);
+ *
+ * Tiling textures is almost always faster, unless we only use it once.
+ * Only a few types of resources can be tiled, ensure the bind is only
+ * (a combination of) one of the following */
+
+ const unsigned valid_binding =
+ PIPE_BIND_DEPTH_STENCIL |
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_BLENDABLE |
+ PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_DISPLAY_TARGET;
+
+ unsigned bpp = util_format_get_blocksizebits(res->format);
+ bool is_2d = (res->target == PIPE_TEXTURE_2D);
+ bool is_sane_bpp = bpp == 8 || bpp == 16 || bpp == 32 || bpp == 64 || bpp == 128;
+ bool should_tile = (res->usage != PIPE_USAGE_STREAM);
+ bool must_tile = (res->bind & PIPE_BIND_DEPTH_STENCIL) && (screen->quirks & MIDGARD_SFBD);
+ bool can_tile = is_2d && is_sane_bpp && ((res->bind & ~valid_binding) == 0);
/* FBOs we would like to checksum, if at all possible */
- bool can_checksum = !(res->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_SHARED));
+ bool can_checksum = !(res->bind & ~valid_binding);
bool should_checksum = res->bind & PIPE_BIND_RENDER_TARGET;
pres->checksummed = can_checksum && should_checksum;
/* Set the layout appropriately */
- pres->layout = should_tile ? PAN_TILED : PAN_LINEAR;
+ assert(!(must_tile && !can_tile)); /* must_tile => can_tile */
+ pres->layout = ((can_tile && should_tile) || must_tile) ? PAN_TILED : PAN_LINEAR;
size_t bo_size;
/* We create a BO immediately but don't bother mapping, since we don't
* care to map e.g. FBOs which the CPU probably won't touch */
- pres->bo = panfrost_drm_create_bo(screen, bo_size, PAN_ALLOCATE_DELAY_MMAP);
+ pres->bo = panfrost_bo_create(screen, bo_size, PAN_BO_DELAY_MMAP);
+}
+
+void
+panfrost_resource_set_damage_region(struct pipe_screen *screen,
+ struct pipe_resource *res,
+ unsigned int nrects,
+ const struct pipe_box *rects)
+{
+ struct panfrost_resource *pres = pan_resource(res);
+ struct pipe_box *damage_rect = &pres->damage.biggest_rect;
+ struct pipe_scissor_state *damage_extent = &pres->damage.extent;
+ unsigned int i;
+
+ if (!nrects) {
+ panfrost_resource_reset_damage(pres);
+ return;
+ }
+
+ /* We keep track of 2 different things here:
+ * 1 the damage extent: the quad including all damage regions. Will be
+ * used restrict the rendering area
+ * 2 the biggest damage rectangle: when there are more than one damage
+ * rect we keep the biggest one and will generate 4 wallpaper quads
+ * out of it (see panfrost_draw_wallpaper() for more details). We
+ * might want to do something smarter at some point.
+ *
+ * _________________________________
+ * | |
+ * | _________________________ |
+ * | | rect1| _________| |
+ * | |______|_____ | rect 3: | |
+ * | | | rect2 | | biggest | |
+ * | | |_______| | rect | |
+ * | |_______________|_________| |
+ * | damage extent |
+ * |_______________________________|
+ * resource
+ */
+ memset(&pres->damage, 0, sizeof(pres->damage));
+ damage_extent->minx = 0xffff;
+ damage_extent->miny = 0xffff;
+ for (i = 0; i < nrects; i++) {
+ int x = rects[i].x, w = rects[i].width, h = rects[i].height;
+ int y = res->height0 - (rects[i].y + h);
+
+ /* Clamp x,y,w,h to prevent negative values. */
+ if (x < 0) {
+ h += x;
+ x = 0;
+ }
+ if (y < 0) {
+ w += y;
+ y = 0;
+ }
+ w = MAX2(w, 0);
+ h = MAX2(h, 0);
+
+ if (damage_rect->width * damage_rect->height < w * h)
+ u_box_2d(x, y, w, h, damage_rect);
+
+ damage_extent->minx = MIN2(damage_extent->minx, x);
+ damage_extent->miny = MIN2(damage_extent->miny, y);
+ damage_extent->maxx = MAX2(damage_extent->maxx,
+ MIN2(x + w, res->width0));
+ damage_extent->maxy = MAX2(damage_extent->maxy,
+ MIN2(y + h, res->height0));
+ }
}
static struct pipe_resource *
so->base = *template;
so->base.screen = screen;
+ so->internal_format = template->format;
pipe_reference_init(&so->base.reference, 1);
util_range_init(&so->valid_buffer_range);
panfrost_resource_create_bo(pscreen, so);
- return (struct pipe_resource *)so;
-}
-
-void
-panfrost_bo_reference(struct panfrost_bo *bo)
-{
- pipe_reference(NULL, &bo->reference);
-}
-
-void
-panfrost_bo_unreference(struct pipe_screen *screen, struct panfrost_bo *bo)
-{
- /* When the reference count goes to zero, we need to cleanup */
+ panfrost_resource_reset_damage(so);
- if (pipe_reference(&bo->reference, NULL))
- panfrost_drm_release_bo(pan_screen(screen), bo, true);
+ return (struct pipe_resource *)so;
}
static void
renderonly_scanout_destroy(rsrc->scanout, pscreen->ro);
if (rsrc->bo)
- panfrost_bo_unreference(screen, rsrc->bo);
+ panfrost_bo_unreference(rsrc->bo);
util_range_destroy(&rsrc->valid_buffer_range);
ralloc_free(rsrc);
*out_transfer = &transfer->base;
/* If we haven't already mmaped, now's the time */
-
- if (!bo->cpu) {
- struct panfrost_screen *screen = pan_screen(pctx->screen);
- panfrost_drm_mmap_bo(screen, bo);
- }
+ panfrost_bo_mmap(bo);
/* Check if we're bound for rendering and this is a read pixels. If so,
* we need to flush */
bool is_bound = false;
for (unsigned c = 0; c < fb->nr_cbufs; ++c) {
- is_bound |= fb->cbufs[c]->texture == resource;
- }
+ /* If cbufs is NULL, we're definitely not bound here */
- if (is_bound && (usage & PIPE_TRANSFER_READ)) {
- assert(level == 0);
- panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
+ if (fb->cbufs[c])
+ is_bound |= fb->cbufs[c]->texture == resource;
}
+ if (is_bound && (usage & PIPE_TRANSFER_READ))
+ assert(level == 0);
+
/* TODO: Respect usage flags */
if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
- /* TODO: reallocate */
- //printf("debug: Missed reallocate\n");
+ /* If the BO is used by one of the pending batches or if it's
+ * not ready yet (still accessed by one of the already flushed
+ * batches), we try to allocate a new one to avoid waiting.
+ */
+ if (panfrost_pending_batches_access_bo(ctx, bo) ||
+ !panfrost_bo_wait(bo, 0, PAN_BO_ACCESS_RW)) {
+ struct panfrost_screen *screen = pan_screen(pctx->screen);
+ /* We want the BO to be MMAPed. */
+ uint32_t flags = bo->flags & ~PAN_BO_DELAY_MMAP;
+ struct panfrost_bo *newbo = NULL;
+
+ /* When the BO has been imported/exported, we can't
+ * replace it by another one, otherwise the
+ * importer/exporter wouldn't see the change we're
+ * doing to it.
+ */
+ if (!(bo->flags & (PAN_BO_IMPORTED | PAN_BO_EXPORTED)))
+ newbo = panfrost_bo_create(screen, bo->size,
+ flags);
+
+ if (newbo) {
+ panfrost_bo_unreference(bo);
+ rsrc->bo = newbo;
+ bo = newbo;
+ } else {
+ uint32_t access = PAN_BO_ACCESS_RW;
+
+ /* Allocation failed or was impossible, let's
+ * fall back on a flush+wait.
+ */
+ panfrost_flush_batches_accessing_bo(ctx, bo,
+ access);
+ panfrost_bo_wait(bo, INT64_MAX, access);
+ }
+ }
} else if ((usage & PIPE_TRANSFER_WRITE)
&& resource->target == PIPE_BUFFER
&& !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) {
/* No flush for writes to uninitialized */
} else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
if (usage & PIPE_TRANSFER_WRITE) {
- /* STUB: flush reading */
- //printf("debug: missed reading flush %d\n", resource->target);
+ panfrost_flush_batches_accessing_bo(ctx, bo, PAN_BO_ACCESS_RW);
+ panfrost_bo_wait(bo, INT64_MAX, PAN_BO_ACCESS_RW);
} else if (usage & PIPE_TRANSFER_READ) {
- /* STUB: flush writing */
- //printf("debug: missed writing flush %d (%d-%d)\n", resource->target, box->x, box->x + box->width);
+ panfrost_flush_batches_accessing_bo(ctx, bo, PAN_BO_ACCESS_WRITE);
+ panfrost_bo_wait(bo, INT64_MAX, PAN_BO_ACCESS_WRITE);
} else {
/* Why are you even mapping?! */
}
panfrost_load_tiled_image(
transfer->map,
bo->cpu + rsrc->slices[level].offset,
- box,
+ box->x, box->y, box->width, box->height,
transfer->base.stride,
rsrc->slices[level].stride,
- util_format_get_blocksize(resource->format));
+ resource->format);
}
}
return transfer->map;
} else {
transfer->base.stride = rsrc->slices[level].stride;
- transfer->base.layer_stride = rsrc->cubemap_stride;
+ if (resource->target == PIPE_TEXTURE_3D)
+ transfer->base.layer_stride = rsrc->slices[level].size0;
+ else
+ transfer->base.layer_stride = rsrc->cubemap_stride;
/* By mapping direct-write, we're implicitly already
* initialized (maybe), so be conservative */
return bo->cpu
+ rsrc->slices[level].offset
- + transfer->base.box.z * rsrc->cubemap_stride
+ + transfer->base.box.z * transfer->base.layer_stride
+ transfer->base.box.y * rsrc->slices[level].stride
+ transfer->base.box.x * bytes_per_pixel;
}
struct panfrost_gtransfer *trans = pan_transfer(transfer);
struct panfrost_resource *prsrc = (struct panfrost_resource *) transfer->resource;
+ /* Mark whatever we wrote as written */
+ if (transfer->usage & PIPE_TRANSFER_WRITE)
+ prsrc->slices[transfer->level].initialized = true;
+
if (trans->map) {
struct panfrost_bo *bo = prsrc->bo;
if (transfer->usage & PIPE_TRANSFER_WRITE) {
- unsigned level = transfer->level;
- prsrc->slices[level].initialized = true;
-
if (prsrc->layout == PAN_AFBC) {
DBG("Unimplemented: writes to AFBC\n");
} else if (prsrc->layout == PAN_TILED) {
assert(transfer->box.depth == 1);
panfrost_store_tiled_image(
- bo->cpu + prsrc->slices[level].offset,
+ bo->cpu + prsrc->slices[transfer->level].offset,
trans->map,
- &transfer->box,
- prsrc->slices[level].stride,
+ transfer->box.x, transfer->box.y,
+ transfer->box.width, transfer->box.height,
+ prsrc->slices[transfer->level].stride,
transfer->stride,
- util_format_get_blocksize(prsrc->base.format));
+ prsrc->base.format);
}
}
}
- util_range_add(&prsrc->valid_buffer_range,
+ util_range_add(&prsrc->base, &prsrc->valid_buffer_range,
transfer->box.x,
transfer->box.x + transfer->box.width);
struct panfrost_resource *rsc = pan_resource(transfer->resource);
if (transfer->resource->target == PIPE_BUFFER) {
- util_range_add(&rsc->valid_buffer_range,
+ util_range_add(&rsc->base, &rsc->valid_buffer_range,
transfer->box.x + box->x,
transfer->box.x + box->x + box->width);
+ } else {
+ unsigned level = transfer->level;
+ rsc->slices[level].initialized = true;
}
}
}
static enum pipe_format
-panfrost_resource_get_internal_format(struct pipe_resource *prsrc) {
- return prsrc->format;
+panfrost_resource_get_internal_format(struct pipe_resource *rsrc) {
+ struct panfrost_resource *prsrc = (struct panfrost_resource *) rsrc;
+ return prsrc->internal_format;
}
-static boolean
+static bool
panfrost_generate_mipmap(
struct pipe_context *pctx,
struct pipe_resource *prsrc,
* reorder-type optimizations in place. But for now prioritize
* correctness. */
- struct panfrost_job *job = panfrost_get_job_for_fbo(ctx);
- bool has_draws = job->last_job.gpu;
-
- if (has_draws)
- panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
+ panfrost_flush_batches_accessing_bo(ctx, rsrc->bo, PAN_BO_ACCESS_RW);
+ panfrost_bo_wait(rsrc->bo, INT64_MAX, PAN_BO_ACCESS_RW);
/* We've flushed the original buffer if needed, now trigger a blit */
/* If the blit was successful, flush once more. If it wasn't, well, let
* the state tracker deal with it. */
- if (blit_res)
- panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
+ if (blit_res) {
+ panfrost_flush_batches_accessing_bo(ctx, rsrc->bo, PAN_BO_ACCESS_WRITE);
+ panfrost_bo_wait(rsrc->bo, INT64_MAX, PAN_BO_ACCESS_WRITE);
+ }
return blit_res;
}
return rsrc->bo->gpu + level_offset + face_offset;
}
+/* Given a resource that has already been allocated, hint that it should use a
+ * given layout. These are suggestions, not commands; it is perfectly legal to
+ * stub out this function, but there will be performance implications. */
+
+void
+panfrost_resource_hint_layout(
+ struct panfrost_screen *screen,
+ struct panfrost_resource *rsrc,
+ enum panfrost_memory_layout layout,
+ signed weight)
+{
+ /* Nothing to do, although a sophisticated implementation might store
+ * the hint */
+
+ if (rsrc->layout == layout)
+ return;
+
+ /* We don't use the weight yet, but we should check that it's positive
+ * (semantically meaning that we should choose the given `layout`) */
+
+ if (weight <= 0)
+ return;
+
+ /* Check if the preferred layout is legal for this buffer */
+
+ if (layout == PAN_AFBC) {
+ bool can_afbc = panfrost_format_supports_afbc(rsrc->base.format);
+ bool is_scanout = rsrc->base.bind &
+ (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
+
+ if (!can_afbc || is_scanout)
+ return;
+ }
+
+ /* Simple heuristic so far: if the resource is uninitialized, switch to
+ * the hinted layout. If it is initialized, keep the original layout.
+ * This misses some cases where it would be beneficial to switch and
+ * blit. */
+
+ bool is_initialized = false;
+
+ for (unsigned i = 0; i < MAX_MIP_LEVELS; ++i)
+ is_initialized |= rsrc->slices[i].initialized;
+
+ if (is_initialized)
+ return;
+
+ /* We're uninitialized, so do a layout switch. Reinitialize slices. */
+
+ size_t new_size;
+ rsrc->layout = layout;
+ panfrost_setup_slices(rsrc, &new_size);
+
+ /* If we grew in size, reallocate the BO */
+ if (new_size > rsrc->bo->size) {
+ panfrost_bo_unreference(rsrc->bo);
+ rsrc->bo = panfrost_bo_create(screen, new_size, PAN_BO_DELAY_MMAP);
+ }
+}
+
static void
panfrost_resource_set_stencil(struct pipe_resource *prsrc,
struct pipe_resource *stencil)
panfrost_resource_context_init(struct pipe_context *pctx)
{
pctx->transfer_map = u_transfer_helper_transfer_map;
- pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
- pctx->buffer_subdata = u_default_buffer_subdata;
pctx->create_surface = panfrost_create_surface;
pctx->surface_destroy = panfrost_surface_destroy;
pctx->resource_copy_region = util_resource_copy_region;