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freedreno/a5xx+a6xx: split LRZ layout to per-gen

Browse source 
Seems to be a bit different for a6xx, so let's split this out.

Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Rob Clark 2019-12-10 14:24:59 -08:00 • committed by Rob Clark
parent 3b074a2e53
commit 6cf101402d
4 changed files with 70 additions and 45 deletions
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31
src/gallium/drivers/freedreno/a5xx/fd5_resource.c
View file

@ -127,11 +127,42 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format forma
return size;
}
static void
setup_lrz(struct fd_resource *rsc)
{
struct fd_screen *screen = fd_screen(rsc->base.screen);
const uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE |
DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
unsigned lrz_pitch = align(DIV_ROUND_UP(rsc->base.width0, 8), 64);
unsigned lrz_height = DIV_ROUND_UP(rsc->base.height0, 8);
/* LRZ buffer is super-sampled: */
switch (rsc->base.nr_samples) {
case 4:
lrz_pitch *= 2;
/* fallthrough */
case 2:
lrz_height *= 2;
}
unsigned size = lrz_pitch * lrz_height * 2;
size += 0x1000; /* for GRAS_LRZ_FAST_CLEAR_BUFFER */
rsc->lrz_height = lrz_height;
rsc->lrz_width = lrz_pitch;
rsc->lrz_pitch = lrz_pitch;
rsc->lrz = fd_bo_new(screen->dev, size, flags, "lrz");
}
uint32_t
fd5_setup_slices(struct fd_resource *rsc)
{
uint32_t alignment;
if ((fd_mesa_debug & FD_DBG_LRZ) && has_depth(rsc->base.format))
setup_lrz(rsc);
switch (rsc->base.target) {
case PIPE_TEXTURE_3D:
rsc->layout.layer_first = false;

31
src/gallium/drivers/freedreno/a6xx/fd6_resource.c
View file

@ -289,11 +289,42 @@ fd6_validate_format(struct fd_context *ctx, struct fd_resource *rsc,
fd_resource_uncompress(ctx, rsc);
}
static void
setup_lrz(struct fd_resource *rsc)
{
struct fd_screen *screen = fd_screen(rsc->base.screen);
const uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE |
DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
unsigned lrz_pitch = align(DIV_ROUND_UP(rsc->base.width0, 8), 64);
unsigned lrz_height = DIV_ROUND_UP(rsc->base.height0, 8);
/* LRZ buffer is super-sampled: */
switch (rsc->base.nr_samples) {
case 4:
lrz_pitch *= 2;
/* fallthrough */
case 2:
lrz_height *= 2;
}
unsigned size = lrz_pitch * lrz_height * 2;
size += 0x1000; /* for GRAS_LRZ_FAST_CLEAR_BUFFER */
rsc->lrz_height = lrz_height;
rsc->lrz_width = lrz_pitch;
rsc->lrz_pitch = lrz_pitch;
rsc->lrz = fd_bo_new(screen->dev, size, flags, "lrz");
}
uint32_t
fd6_setup_slices(struct fd_resource *rsc)
{
uint32_t alignment;
if ((fd_mesa_debug & FD_DBG_LRZ) && has_depth(rsc->base.format))
setup_lrz(rsc);
switch (rsc->base.target) {
case PIPE_TEXTURE_3D:
rsc->layout.layer_first = false;

45
src/gallium/drivers/freedreno/freedreno_resource.c
View file

@ -877,25 +877,6 @@ fd_resource_resize(struct pipe_resource *prsc, uint32_t sz)
realloc_bo(rsc, fd_screen(prsc->screen)->setup_slices(rsc));
}
// TODO common helper?
static bool
has_depth(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_Z16_UNORM:
case PIPE_FORMAT_Z32_UNORM:
case PIPE_FORMAT_Z32_FLOAT:
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
return true;
default:
return false;
}
}
static void
fd_resource_layout_init(struct pipe_resource *prsc)
{
@ -1009,32 +990,6 @@ fd_resource_create_with_modifiers(struct pipe_screen *pscreen,
rsc->internal_format = format;
// XXX probably need some extra work if we hit rsc shadowing path w/ lrz..
if ((is_a5xx(screen) || is_a6xx(screen)) &&
(fd_mesa_debug & FD_DBG_LRZ) && has_depth(format)) {
const uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE |
DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
unsigned lrz_pitch = align(DIV_ROUND_UP(tmpl->width0, 8), 64);
unsigned lrz_height = DIV_ROUND_UP(tmpl->height0, 8);
/* LRZ buffer is super-sampled: */
switch (prsc->nr_samples) {
case 4:
lrz_pitch *= 2;
case 2:
lrz_height *= 2;
}
unsigned size = lrz_pitch * lrz_height * 2;
size += 0x1000; /* for GRAS_LRZ_FAST_CLEAR_BUFFER */
rsc->lrz_height = lrz_height;
rsc->lrz_width = lrz_pitch;
rsc->lrz_pitch = lrz_pitch;
rsc->lrz = fd_bo_new(screen->dev, size, flags, "lrz");
}
size = screen->setup_slices(rsc);
if (allow_ubwc && screen->fill_ubwc_buffer_sizes && rsc->layout.tile_mode)

8
src/gallium/drivers/freedreno/freedreno_resource.h
View file

@ -113,6 +113,14 @@ pending(struct fd_resource *rsc, bool write)
return false;
}
static inline bool
has_depth(enum pipe_format format)
{
const struct util_format_description *desc =
util_format_description(format);
return util_format_has_depth(desc);
}
struct fd_transfer {
struct pipe_transfer base;
struct pipe_resource *staging_prsc;