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panfrost: Prepare texture helpers to per-gen XML

Browse source 
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12935>
This commit is contained in:
Boris Brezillon 2021-08-06 14:24:31 +02:00
parent a865a4a789
commit 0d57a76458
6 changed files with 436 additions and 446 deletions
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6
src/gallium/drivers/panfrost/pan_cmdstream.c
View file

@ -1315,8 +1315,8 @@ panfrost_create_sampler_view_bo(struct panfrost_sampler_view *so,
};
unsigned size =
(PAN_ARCH <= 5 ? pan_size(MIDGARD_TEXTURE) : 0) +
panfrost_estimate_texture_payload_size(device, &iview);
(PAN_ARCH <= 5 ? pan_size(TEXTURE) : 0) +
GENX(panfrost_estimate_texture_payload_size)(&iview);
struct panfrost_ptr payload = pan_pool_alloc_aligned(&ctx->descs.base, size, 64);
so->state = panfrost_pool_take_ref(&ctx->descs, payload.gpu);
@ -1328,7 +1328,7 @@ panfrost_create_sampler_view_bo(struct panfrost_sampler_view *so,
payload.gpu += pan_size(MIDGARD_TEXTURE);
}
panfrost_new_texture(device, &iview, tex, &payload);
GENX(panfrost_new_texture)(device, &iview, tex, &payload);
}
static void

1
src/panfrost/lib/meson.build
View file

@ -60,6 +60,7 @@ foreach ver : ['4', '5', '6', '7']
'pan_cs.c',
'pan_indirect_dispatch.c',
'pan_indirect_draw.c',
'pan_texture.c',
],
include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux, inc_panfrost_hw],
c_args : ['-DPAN_ARCH=' + ver],

8
src/panfrost/lib/pan_blitter.c
View file

@ -883,12 +883,12 @@ pan_blitter_emit_textures(struct pan_pool *pool,
for (unsigned i = 0; i < tex_count; i++) {
void *texture = textures.cpu + (pan_size(TEXTURE) * i);
size_t payload_size =
panfrost_estimate_texture_payload_size(pool->dev, views[i]);
GENX(panfrost_estimate_texture_payload_size)(views[i]);
struct panfrost_ptr surfaces =
pan_pool_alloc_aligned(pool, payload_size,
pan_alignment(SURFACE_WITH_STRIDE));
panfrost_new_texture(pool->dev, views[i], texture, &surfaces);
GENX(panfrost_new_texture)(pool->dev, views[i], texture, &surfaces);
}
return textures.gpu;
@ -897,7 +897,7 @@ pan_blitter_emit_textures(struct pan_pool *pool,
for (unsigned i = 0; i < tex_count; i++) {
size_t sz = pan_size(TEXTURE) +
panfrost_estimate_texture_payload_size(pool->dev, views[i]);
GENX(panfrost_estimate_texture_payload_size)(views[i]);
struct panfrost_ptr texture =
pan_pool_alloc_aligned(pool, sz, pan_alignment(TEXTURE));
struct panfrost_ptr surfaces = {
@ -905,7 +905,7 @@ pan_blitter_emit_textures(struct pan_pool *pool,
.gpu = texture.gpu + pan_size(TEXTURE),
};
panfrost_new_texture(pool->dev, views[i], texture.cpu, &surfaces);
GENX(panfrost_new_texture)(pool->dev, views[i], texture.cpu, &surfaces);
textures[i] = texture.gpu;
}

848
src/panfrost/lib/pan_texture.c
View file

@ -30,6 +30,8 @@
#include "pan_texture.h"
#include "panfrost-quirks.h"
#ifndef PAN_ARCH
/* Generates a texture descriptor. Ideally, descriptors are immutable after the
* texture is created, so we can keep these hanging around in GPU memory in a
* dedicated BO and not have to worry. In practice there are some minor gotchas
@ -57,165 +59,6 @@ uint64_t pan_best_modifiers[PAN_MODIFIER_COUNT] = {
DRM_FORMAT_MOD_LINEAR
};
/* Check if we need to set a custom stride by computing the "expected"
* stride and comparing it to what the user actually wants. Only applies
* to linear textures, since tiled/compressed textures have strict
* alignment requirements for their strides as it is */
static bool
panfrost_needs_explicit_stride(const struct panfrost_device *dev,
const struct pan_image_view *iview)
{
/* Stride is explicit on Bifrost */
if (pan_is_bifrost(dev))
return true;
if (iview->image->layout.modifier != DRM_FORMAT_MOD_LINEAR)
return false;
unsigned bytes_per_block = util_format_get_blocksize(iview->format);
unsigned block_w = util_format_get_blockwidth(iview->format);
for (unsigned l = iview->first_level; l <= iview->last_level; ++l) {
unsigned actual = iview->image->layout.slices[l].line_stride;
unsigned expected =
DIV_ROUND_UP(u_minify(iview->image->layout.width, l), block_w) *
bytes_per_block;
if (actual != expected)
return true;
}
return false;
}
/* A Scalable Texture Compression (ASTC) corresponds to just a few texture type
* in the hardware, but in fact can be parametrized to have various widths and
* heights for the so-called "stretch factor". It turns out these parameters
* are stuffed in the bottom bits of the payload pointers. This functions
* computes these magic stuffing constants based on the ASTC format in use. The
* constant in a given dimension is 3-bits, and two are stored side-by-side for
* each active dimension.
*/
static unsigned
panfrost_astc_stretch(unsigned dim)
{
assert(dim >= 4 && dim <= 12);
return MIN2(dim, 11) - 4;
}
/* Texture addresses are tagged with information about compressed formats.
* AFBC uses a bit for whether the colorspace transform is enabled (RGB and
* RGBA only).
* For ASTC, this is a "stretch factor" encoding the block size. */
static unsigned
panfrost_compression_tag(const struct panfrost_device *dev,
const struct util_format_description *desc,
enum mali_texture_dimension dim,
uint64_t modifier)
{
if (drm_is_afbc(modifier)) {
unsigned flags = (modifier & AFBC_FORMAT_MOD_YTR) ?
MALI_AFBC_SURFACE_FLAG_YTR : 0;
if (!pan_is_bifrost(dev))
return flags;
/* Prefetch enable */
flags |= MALI_AFBC_SURFACE_FLAG_PREFETCH;
/* Wide blocks (> 16x16) */
if (panfrost_block_dim(modifier, true, 0) > 16)
flags |= MALI_AFBC_SURFACE_FLAG_WIDE_BLOCK;
/* Used to make sure AFBC headers don't point outside the AFBC
* body. HW is using the AFBC surface stride to do this check,
* which doesn't work for 3D textures because the surface
* stride does not cover the body. Only supported on v7+.
*/
if (dev->arch >= 7 && dim != MALI_TEXTURE_DIMENSION_3D)
flags |= MALI_AFBC_SURFACE_FLAG_CHECK_PAYLOAD_RANGE;
return flags;
} else if (desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
return (panfrost_astc_stretch(desc->block.height) << 3) |
panfrost_astc_stretch(desc->block.width);
} else {
return 0;
}
}
/* Cubemaps have 6 faces as "layers" in between each actual layer. We
* need to fix this up. TODO: logic wrong in the asserted out cases ...
* can they happen, perhaps from cubemap arrays? */
static void
panfrost_adjust_cube_dimensions(
unsigned *first_face, unsigned *last_face,
unsigned *first_layer, unsigned *last_layer)
{
*first_face = *first_layer % 6;
*last_face = *last_layer % 6;
*first_layer /= 6;
*last_layer /= 6;
assert((*first_layer == *last_layer) || (*first_face == 0 && *last_face == 5));
}
/* Following the texture descriptor is a number of pointers. How many? */
static unsigned
panfrost_texture_num_elements(
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer,
unsigned nr_samples,
bool is_cube, bool manual_stride)
{
unsigned first_face = 0, last_face = 0;
if (is_cube) {
panfrost_adjust_cube_dimensions(&first_face, &last_face,
&first_layer, &last_layer);
}
unsigned levels = 1 + last_level - first_level;
unsigned layers = 1 + last_layer - first_layer;
unsigned faces = 1 + last_face - first_face;
unsigned num_elements = levels * layers * faces * MAX2(nr_samples, 1);
if (manual_stride)
num_elements *= 2;
return num_elements;
}
/* Conservative estimate of the size of the texture payload a priori.
* Average case, size equal to the actual size. Worst case, off by 2x (if
* a manual stride is not needed on a linear texture). Returned value
* must be greater than or equal to the actual size, so it's safe to use
* as an allocation amount */
unsigned
panfrost_estimate_texture_payload_size(const struct panfrost_device *dev,
const struct pan_image_view *iview)
{
/* Assume worst case */
unsigned manual_stride = pan_is_bifrost(dev) ||
(iview->image->layout.modifier == DRM_FORMAT_MOD_LINEAR);
unsigned elements =
panfrost_texture_num_elements(iview->first_level, iview->last_level,
iview->first_layer, iview->last_layer,
iview->image->layout.nr_samples,
iview->dim == MALI_TEXTURE_DIMENSION_CUBE,
manual_stride);
return sizeof(mali_ptr) * elements;
}
/* If not explicitly, line stride is calculated for block-based formats as
* (ceil(width / block_width) * block_size). As a special case, this is left
* zero if there is only a single block vertically. So, we have a helper to
@ -245,278 +88,6 @@ panfrost_block_dim(uint64_t modifier, bool width, unsigned plane)
}
}
static void
panfrost_get_surface_strides(const struct panfrost_device *dev,
const struct pan_image_layout *layout,
unsigned l,
int32_t *row_stride, int32_t *surf_stride)
{
const struct pan_image_slice_layout *slice = &layout->slices[l];
if (drm_is_afbc(layout->modifier)) {
/* Pre v7 don't have a row stride field. This field is
* repurposed as a Y offset which we don't use */
*row_stride = dev->arch < 7 ? 0 : slice->afbc.row_stride;
*surf_stride = slice->afbc.surface_stride;
} else {
*row_stride = slice->row_stride;
*surf_stride = slice->surface_stride;
}
}
static mali_ptr
panfrost_get_surface_pointer(const struct pan_image_layout *layout,
enum mali_texture_dimension dim,
mali_ptr base,
unsigned l, unsigned w, unsigned f, unsigned s)
{
unsigned face_mult = dim == MALI_TEXTURE_DIMENSION_CUBE ? 6 : 1;
unsigned offset;
if (layout->dim == MALI_TEXTURE_DIMENSION_3D) {
assert(!f && !s);
offset = layout->slices[l].offset +
(w * panfrost_get_layer_stride(layout, l));
} else {
offset = panfrost_texture_offset(layout, l, (w * face_mult) + f, s);
}
return base + offset;
}
struct panfrost_surface_iter {
unsigned layer, last_layer;
unsigned level, first_level, last_level;
unsigned face, first_face, last_face;
unsigned sample, first_sample, last_sample;
};
static void
panfrost_surface_iter_begin(struct panfrost_surface_iter *iter,
unsigned first_layer, unsigned last_layer,
unsigned first_level, unsigned last_level,
unsigned first_face, unsigned last_face,
unsigned nr_samples)
{
iter->layer = first_layer;
iter->last_layer = last_layer;
iter->level = iter->first_level = first_level;
iter->last_level = last_level;
iter->face = iter->first_face = first_face;
iter->last_face = last_face;
iter->sample = iter->first_sample = 0;
iter->last_sample = nr_samples - 1;
}
static bool
panfrost_surface_iter_end(const struct panfrost_surface_iter *iter)
{
return iter->layer > iter->last_layer;
}
static void
panfrost_surface_iter_next(const struct panfrost_device *dev,
struct panfrost_surface_iter *iter)
{
#define INC_TEST(field) \
do { \
if (iter->field++ < iter->last_ ## field) \
return; \
iter->field = iter->first_ ## field; \
} while (0)
/* Ordering is different on v7: inner loop is iterating on levels */
if (dev->arch >= 7)
INC_TEST(level);
INC_TEST(sample);
INC_TEST(face);
if (dev->arch < 7)
INC_TEST(level);
iter->layer++;
#undef INC_TEST
}
static void
panfrost_emit_texture_payload(const struct panfrost_device *dev,
const struct pan_image_view *iview,
enum pipe_format format,
bool manual_stride,
void *payload)
{
const struct pan_image_layout *layout = &iview->image->layout;
const struct util_format_description *desc =
util_format_description(format);
mali_ptr base = iview->image->data.bo->ptr.gpu + iview->image->data.offset;
if (iview->buf.size) {
assert (iview->dim == MALI_TEXTURE_DIMENSION_1D);
base += iview->buf.offset;
}
/* panfrost_compression_tag() wants the dimension of the resource, not the
* one of the image view (those might differ).
*/
base |= panfrost_compression_tag(dev, desc, layout->dim, layout->modifier);
/* Inject the addresses in, interleaving array indices, mip levels,
* cube faces, and strides in that order */
unsigned first_layer = iview->first_layer, last_layer = iview->last_layer;
unsigned nr_samples = layout->nr_samples;
unsigned first_face = 0, last_face = 0;
if (iview->dim == MALI_TEXTURE_DIMENSION_CUBE) {
panfrost_adjust_cube_dimensions(&first_face, &last_face,
&first_layer, &last_layer);
}
struct panfrost_surface_iter iter;
for (panfrost_surface_iter_begin(&iter, first_layer, last_layer,
iview->first_level, iview->last_level,
first_face, last_face, nr_samples);
!panfrost_surface_iter_end(&iter);
panfrost_surface_iter_next(dev, &iter)) {
mali_ptr pointer =
panfrost_get_surface_pointer(layout, iview->dim, base,
iter.level, iter.layer,
iter.face, iter.sample);
if (!manual_stride) {
pan_pack(payload, SURFACE, cfg) {
cfg.pointer = pointer;
}
payload += pan_size(SURFACE);
} else {
pan_pack(payload, SURFACE_WITH_STRIDE, cfg) {
cfg.pointer = pointer;
panfrost_get_surface_strides(dev, layout, iter.level,
&cfg.row_stride,
&cfg.surface_stride);
}
payload += pan_size(SURFACE_WITH_STRIDE);
}
}
}
/* Map modifiers to mali_texture_layout for packing in a texture descriptor */
static enum mali_texture_layout
panfrost_modifier_to_layout(uint64_t modifier)
{
if (drm_is_afbc(modifier))
return MALI_TEXTURE_LAYOUT_AFBC;
else if (modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED)
return MALI_TEXTURE_LAYOUT_TILED;
else if (modifier == DRM_FORMAT_MOD_LINEAR)
return MALI_TEXTURE_LAYOUT_LINEAR;
else
unreachable("Invalid modifer");
}
void
panfrost_new_texture(const struct panfrost_device *dev,
const struct pan_image_view *iview,
void *out, const struct panfrost_ptr *payload)
{
const struct pan_image_layout *layout = &iview->image->layout;
enum pipe_format format = iview->format;
unsigned swizzle;
if (dev->arch == 7 && util_format_is_depth_or_stencil(format)) {
/* v7 doesn't have an _RRRR component order, combine the
* user swizzle with a .XXXX swizzle to emulate that.
*/
static const unsigned char replicate_x[4] = {
PIPE_SWIZZLE_X, PIPE_SWIZZLE_X,
PIPE_SWIZZLE_X, PIPE_SWIZZLE_X,
};
unsigned char patched_swizzle[4];
util_format_compose_swizzles(replicate_x,
iview->swizzle,
patched_swizzle);
swizzle = panfrost_translate_swizzle_4(patched_swizzle);
} else {
swizzle = panfrost_translate_swizzle_4(iview->swizzle);
}
bool manual_stride =
panfrost_needs_explicit_stride(dev, iview);
panfrost_emit_texture_payload(dev, iview, format,
manual_stride,
payload->cpu);
unsigned array_size = iview->last_layer - iview->first_layer + 1;
if (iview->dim == MALI_TEXTURE_DIMENSION_CUBE) {
assert(iview->first_layer % 6 == 0);
assert(iview->last_layer % 6 == 5);
array_size /= 6;
}
unsigned width;
if (iview->buf.size) {
assert(iview->dim == MALI_TEXTURE_DIMENSION_1D);
assert(!iview->first_level && !iview->last_level);
assert(!iview->first_layer && !iview->last_layer);
assert(layout->nr_samples == 1);
assert(layout->height == 1 && layout->depth == 1);
assert(iview->buf.offset + iview->buf.size <= layout->width);
width = iview->buf.size;
} else {
width = u_minify(layout->width, iview->first_level);
}
if (pan_is_bifrost(dev)) {
pan_pack(out, BIFROST_TEXTURE, cfg) {
cfg.dimension = iview->dim;
cfg.format = dev->formats[format].hw;
cfg.width = width;
cfg.height = u_minify(layout->height, iview->first_level);
if (iview->dim == MALI_TEXTURE_DIMENSION_3D)
cfg.depth = u_minify(layout->depth, iview->first_level);
else
cfg.sample_count = layout->nr_samples;
cfg.swizzle = swizzle;
cfg.texel_ordering =
panfrost_modifier_to_layout(layout->modifier);
cfg.levels = iview->last_level - iview->first_level + 1;
cfg.array_size = array_size;
cfg.surfaces = payload->gpu;
/* We specify API-level LOD clamps in the sampler descriptor
* and use these clamps simply for bounds checking */
cfg.minimum_lod = FIXED_16(0, false);
cfg.maximum_lod = FIXED_16(cfg.levels - 1, false);
}
} else {
pan_pack(out, MIDGARD_TEXTURE, cfg) {
cfg.width = width;
cfg.height = u_minify(layout->height, iview->first_level);
if (iview->dim == MALI_TEXTURE_DIMENSION_3D)
cfg.depth = u_minify(layout->depth, iview->first_level);
else
cfg.sample_count = layout->nr_samples;
cfg.array_size = array_size;
cfg.format = panfrost_pipe_format_v6[format].hw;
cfg.dimension = iview->dim;
cfg.texel_ordering =
panfrost_modifier_to_layout(layout->modifier);
cfg.manual_stride = manual_stride;
cfg.levels = iview->last_level - iview->first_level + 1;
cfg.swizzle = swizzle;
};
}
}
/* Computes sizes for checksumming, which is 8 bytes per 16x16 tile.
* Checksumming is believed to be a CRC variant (CRC64 based on the size?).
* This feature is also known as "transaction elimination". */
@ -774,3 +345,418 @@ pan_iview_get_surface(const struct pan_image_view *iview,
array_idx, surface_idx);
}
}
#else /* ifndef PAN_ARCH */
/* A Scalable Texture Compression (ASTC) corresponds to just a few texture type
* in the hardware, but in fact can be parametrized to have various widths and
* heights for the so-called "stretch factor". It turns out these parameters
* are stuffed in the bottom bits of the payload pointers. This functions
* computes these magic stuffing constants based on the ASTC format in use. The
* constant in a given dimension is 3-bits, and two are stored side-by-side for
* each active dimension.
*/
static unsigned
panfrost_astc_stretch(unsigned dim)
{
assert(dim >= 4 && dim <= 12);
return MIN2(dim, 11) - 4;
}
/* Texture addresses are tagged with information about compressed formats.
* AFBC uses a bit for whether the colorspace transform is enabled (RGB and
* RGBA only).
* For ASTC, this is a "stretch factor" encoding the block size. */
static unsigned
panfrost_compression_tag(const struct util_format_description *desc,
enum mali_texture_dimension dim,
uint64_t modifier)
{
if (drm_is_afbc(modifier)) {
unsigned flags = (modifier & AFBC_FORMAT_MOD_YTR) ?
MALI_AFBC_SURFACE_FLAG_YTR : 0;
#if PAN_ARCH >= 6
/* Prefetch enable */
flags |= MALI_AFBC_SURFACE_FLAG_PREFETCH;
/* Wide blocks (> 16x16) */
if (panfrost_block_dim(modifier, true, 0) > 16)
flags |= MALI_AFBC_SURFACE_FLAG_WIDE_BLOCK;
/* Used to make sure AFBC headers don't point outside the AFBC
* body. HW is using the AFBC surface stride to do this check,
* which doesn't work for 3D textures because the surface
* stride does not cover the body. Only supported on v7+.
*/
#endif
#if PAN_ARCH >= 7
if (dim != MALI_TEXTURE_DIMENSION_3D)
flags |= MALI_AFBC_SURFACE_FLAG_CHECK_PAYLOAD_RANGE;
#endif
return flags;
} else if (desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
return (panfrost_astc_stretch(desc->block.height) << 3) |
panfrost_astc_stretch(desc->block.width);
} else {
return 0;
}
}
/* Cubemaps have 6 faces as "layers" in between each actual layer. We
* need to fix this up. TODO: logic wrong in the asserted out cases ...
* can they happen, perhaps from cubemap arrays? */
static void
panfrost_adjust_cube_dimensions(
unsigned *first_face, unsigned *last_face,
unsigned *first_layer, unsigned *last_layer)
{
*first_face = *first_layer % 6;
*last_face = *last_layer % 6;
*first_layer /= 6;
*last_layer /= 6;
assert((*first_layer == *last_layer) || (*first_face == 0 && *last_face == 5));
}
/* Following the texture descriptor is a number of pointers. How many? */
static unsigned
panfrost_texture_num_elements(
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer,
unsigned nr_samples,
bool is_cube, bool manual_stride)
{
unsigned first_face = 0, last_face = 0;
if (is_cube) {
panfrost_adjust_cube_dimensions(&first_face, &last_face,
&first_layer, &last_layer);
}
unsigned levels = 1 + last_level - first_level;
unsigned layers = 1 + last_layer - first_layer;
unsigned faces = 1 + last_face - first_face;
unsigned num_elements = levels * layers * faces * MAX2(nr_samples, 1);
if (manual_stride)
num_elements *= 2;
return num_elements;
}
/* Conservative estimate of the size of the texture payload a priori.
* Average case, size equal to the actual size. Worst case, off by 2x (if
* a manual stride is not needed on a linear texture). Returned value
* must be greater than or equal to the actual size, so it's safe to use
* as an allocation amount */
unsigned
GENX(panfrost_estimate_texture_payload_size)(const struct pan_image_view *iview)
{
/* Assume worst case */
unsigned manual_stride = PAN_ARCH >= 6 ||
(iview->image->layout.modifier == DRM_FORMAT_MOD_LINEAR);
unsigned elements =
panfrost_texture_num_elements(iview->first_level, iview->last_level,
iview->first_layer, iview->last_layer,
iview->image->layout.nr_samples,
iview->dim == MALI_TEXTURE_DIMENSION_CUBE,
manual_stride);
return sizeof(mali_ptr) * elements;
}
struct panfrost_surface_iter {
unsigned layer, last_layer;
unsigned level, first_level, last_level;
unsigned face, first_face, last_face;
unsigned sample, first_sample, last_sample;
};
static void
panfrost_surface_iter_begin(struct panfrost_surface_iter *iter,
unsigned first_layer, unsigned last_layer,
unsigned first_level, unsigned last_level,
unsigned first_face, unsigned last_face,
unsigned nr_samples)
{
iter->layer = first_layer;
iter->last_layer = last_layer;
iter->level = iter->first_level = first_level;
iter->last_level = last_level;
iter->face = iter->first_face = first_face;
iter->last_face = last_face;
iter->sample = iter->first_sample = 0;
iter->last_sample = nr_samples - 1;
}
static bool
panfrost_surface_iter_end(const struct panfrost_surface_iter *iter)
{
return iter->layer > iter->last_layer;
}
static void
panfrost_surface_iter_next(struct panfrost_surface_iter *iter)
{
#define INC_TEST(field) \
do { \
if (iter->field++ < iter->last_ ## field) \
return; \
iter->field = iter->first_ ## field; \
} while (0)
/* Ordering is different on v7: inner loop is iterating on levels */
if (PAN_ARCH >= 7)
INC_TEST(level);
INC_TEST(sample);
INC_TEST(face);
if (PAN_ARCH < 7)
INC_TEST(level);
iter->layer++;
#undef INC_TEST
}
static void
panfrost_get_surface_strides(const struct pan_image_layout *layout,
unsigned l,
int32_t *row_stride, int32_t *surf_stride)
{
const struct pan_image_slice_layout *slice = &layout->slices[l];
if (drm_is_afbc(layout->modifier)) {
/* Pre v7 don't have a row stride field. This field is
* repurposed as a Y offset which we don't use */
*row_stride = PAN_ARCH < 7 ? 0 : slice->afbc.row_stride;
*surf_stride = slice->afbc.surface_stride;
} else {
*row_stride = slice->row_stride;
*surf_stride = slice->surface_stride;
}
}
static mali_ptr
panfrost_get_surface_pointer(const struct pan_image_layout *layout,
enum mali_texture_dimension dim,
mali_ptr base,
unsigned l, unsigned w, unsigned f, unsigned s)
{
unsigned face_mult = dim == MALI_TEXTURE_DIMENSION_CUBE ? 6 : 1;
unsigned offset;
if (layout->dim == MALI_TEXTURE_DIMENSION_3D) {
assert(!f && !s);
offset = layout->slices[l].offset +
(w * panfrost_get_layer_stride(layout, l));
} else {
offset = panfrost_texture_offset(layout, l, (w * face_mult) + f, s);
}
return base + offset;
}
static void
panfrost_emit_texture_payload(const struct pan_image_view *iview,
enum pipe_format format,
bool manual_stride,
void *payload)
{
const struct pan_image_layout *layout = &iview->image->layout;
const struct util_format_description *desc =
util_format_description(format);
mali_ptr base = iview->image->data.bo->ptr.gpu + iview->image->data.offset;
if (iview->buf.size) {
assert (iview->dim == MALI_TEXTURE_DIMENSION_1D);
base += iview->buf.offset;
}
/* panfrost_compression_tag() wants the dimension of the resource, not the
* one of the image view (those might differ).
*/
base |= panfrost_compression_tag(desc, layout->dim, layout->modifier);
/* Inject the addresses in, interleaving array indices, mip levels,
* cube faces, and strides in that order */
unsigned first_layer = iview->first_layer, last_layer = iview->last_layer;
unsigned nr_samples = layout->nr_samples;
unsigned first_face = 0, last_face = 0;
if (iview->dim == MALI_TEXTURE_DIMENSION_CUBE) {
panfrost_adjust_cube_dimensions(&first_face, &last_face,
&first_layer, &last_layer);
}
struct panfrost_surface_iter iter;
for (panfrost_surface_iter_begin(&iter, first_layer, last_layer,
iview->first_level, iview->last_level,
first_face, last_face, nr_samples);
!panfrost_surface_iter_end(&iter);
panfrost_surface_iter_next(&iter)) {
mali_ptr pointer =
panfrost_get_surface_pointer(layout, iview->dim, base,
iter.level, iter.layer,
iter.face, iter.sample);
if (!manual_stride) {
pan_pack(payload, SURFACE, cfg) {
cfg.pointer = pointer;
}
payload += pan_size(SURFACE);
} else {
pan_pack(payload, SURFACE_WITH_STRIDE, cfg) {
cfg.pointer = pointer;
panfrost_get_surface_strides(layout, iter.level,
&cfg.row_stride,
&cfg.surface_stride);
}
payload += pan_size(SURFACE_WITH_STRIDE);
}
}
}
/* Check if we need to set a custom stride by computing the "expected"
* stride and comparing it to what the user actually wants. Only applies
* to linear textures, since tiled/compressed textures have strict
* alignment requirements for their strides as it is */
static bool
panfrost_needs_explicit_stride(const struct pan_image_view *iview)
{
/* Stride is explicit on Bifrost */
if (PAN_ARCH >= 6)
return true;
if (iview->image->layout.modifier != DRM_FORMAT_MOD_LINEAR)
return false;
unsigned bytes_per_block = util_format_get_blocksize(iview->format);
unsigned block_w = util_format_get_blockwidth(iview->format);
for (unsigned l = iview->first_level; l <= iview->last_level; ++l) {
unsigned actual = iview->image->layout.slices[l].line_stride;
unsigned expected =
DIV_ROUND_UP(u_minify(iview->image->layout.width, l), block_w) *
bytes_per_block;
if (actual != expected)
return true;
}
return false;
}
/* Map modifiers to mali_texture_layout for packing in a texture descriptor */
static enum mali_texture_layout
panfrost_modifier_to_layout(uint64_t modifier)
{
if (drm_is_afbc(modifier))
return MALI_TEXTURE_LAYOUT_AFBC;
else if (modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED)
return MALI_TEXTURE_LAYOUT_TILED;
else if (modifier == DRM_FORMAT_MOD_LINEAR)
return MALI_TEXTURE_LAYOUT_LINEAR;
else
unreachable("Invalid modifer");
}
void
GENX(panfrost_new_texture)(const struct panfrost_device *dev,
const struct pan_image_view *iview,
void *out, const struct panfrost_ptr *payload)
{
const struct pan_image_layout *layout = &iview->image->layout;
enum pipe_format format = iview->format;
unsigned swizzle;
if (PAN_ARCH == 7 && util_format_is_depth_or_stencil(format)) {
/* v7 doesn't have an _RRRR component order, combine the
* user swizzle with a .XXXX swizzle to emulate that.
*/
static const unsigned char replicate_x[4] = {
PIPE_SWIZZLE_X, PIPE_SWIZZLE_X,
PIPE_SWIZZLE_X, PIPE_SWIZZLE_X,
};
unsigned char patched_swizzle[4];
util_format_compose_swizzles(replicate_x,
iview->swizzle,
patched_swizzle);
swizzle = panfrost_translate_swizzle_4(patched_swizzle);
} else {
swizzle = panfrost_translate_swizzle_4(iview->swizzle);
}
bool manual_stride =
panfrost_needs_explicit_stride(iview);
panfrost_emit_texture_payload(iview, format,
manual_stride,
payload->cpu);
unsigned array_size = iview->last_layer - iview->first_layer + 1;
if (iview->dim == MALI_TEXTURE_DIMENSION_CUBE) {
assert(iview->first_layer % 6 == 0);
assert(iview->last_layer % 6 == 5);
array_size /= 6;
}
unsigned width;
if (iview->buf.size) {
assert(iview->dim == MALI_TEXTURE_DIMENSION_1D);
assert(!iview->first_level && !iview->last_level);
assert(!iview->first_layer && !iview->last_layer);
assert(layout->nr_samples == 1);
assert(layout->height == 1 && layout->depth == 1);
assert(iview->buf.offset + iview->buf.size <= layout->width);
width = iview->buf.size;
} else {
width = u_minify(layout->width, iview->first_level);
}
pan_pack(out, TEXTURE, cfg) {
cfg.dimension = iview->dim;
cfg.format = dev->formats[format].hw;
cfg.width = width;
cfg.height = u_minify(layout->height, iview->first_level);
if (iview->dim == MALI_TEXTURE_DIMENSION_3D)
cfg.depth = u_minify(layout->depth, iview->first_level);
else
cfg.sample_count = layout->nr_samples;
cfg.swizzle = swizzle;
cfg.texel_ordering =
panfrost_modifier_to_layout(layout->modifier);
cfg.levels = iview->last_level - iview->first_level + 1;
cfg.array_size = array_size;
#if PAN_ARCH >= 6
cfg.surfaces = payload->gpu;
/* We specify API-level LOD clamps in the sampler descriptor
* and use these clamps simply for bounds checking */
cfg.minimum_lod = FIXED_16(0, false);
cfg.maximum_lod = FIXED_16(cfg.levels - 1, false);
#else
cfg.manual_stride = manual_stride;
#endif
}
}
#endif /* ifdef PAN_ARCH */

15
src/panfrost/lib/pan_texture.h
View file

@ -28,6 +28,8 @@
#ifndef __PAN_TEXTURE_H
#define __PAN_TEXTURE_H
#include "gen_macros.h"
#include <stdbool.h>
#include "drm-uapi/drm_fourcc.h"
#include "util/format/u_format.h"
@ -157,15 +159,16 @@ panfrost_afbc_can_ytr(enum pipe_format format);
unsigned
panfrost_block_dim(uint64_t modifier, bool width, unsigned plane);
#ifdef PAN_ARCH
unsigned
panfrost_estimate_texture_payload_size(const struct panfrost_device *dev,
const struct pan_image_view *iview);
GENX(panfrost_estimate_texture_payload_size)(const struct pan_image_view *iview);
void
panfrost_new_texture(const struct panfrost_device *dev,
const struct pan_image_view *iview,
void *out,
const struct panfrost_ptr *payload);
GENX(panfrost_new_texture)(const struct panfrost_device *dev,
const struct pan_image_view *iview,
void *out,
const struct panfrost_ptr *payload);
#endif
unsigned
panfrost_get_layer_stride(const struct pan_image_layout *layout,

4
src/panfrost/vulkan/panvk_vX_image.c
View file

@ -127,7 +127,7 @@ panvk_per_arch(CreateImageView)(VkDevice _device,
struct panfrost_device *pdev = &device->physical_device->pdev;
unsigned bo_size =
panfrost_estimate_texture_payload_size(pdev, &view->pview) +
GENX(panfrost_estimate_texture_payload_size)(&view->pview) +
pan_size(TEXTURE);
unsigned surf_descs_offset = PAN_ARCH <= 5 ? pan_size(TEXTURE) : 0;
@ -142,7 +142,7 @@ panvk_per_arch(CreateImageView)(VkDevice _device,
&view->desc : view->bo->ptr.cpu;
STATIC_ASSERT(sizeof(view->desc) >= pan_size(TEXTURE));
panfrost_new_texture(pdev, &view->pview, tex_desc, &surf_descs);
GENX(panfrost_new_texture)(pdev, &view->pview, tex_desc, &surf_descs);
*pView = panvk_image_view_to_handle(view);
return VK_SUCCESS;