This gets us shared non-UBWC layout code between gallium and turnip.
Until I fix up the rest of gallium to handle UBWC mipmapping, we do the
single-level UBWC setup in gallium as a fixup after layout.
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
#include "freedreno_layout.h"
-/* indexed by cpp, including msaa 2x and 4x: */
+/* indexed by cpp, including msaa 2x and 4x:
+ * TODO:
+ * cpp=1 UBWC needs testing at larger texture sizes
+ * missing UBWC blockwidth/blockheight for npot+64 cpp
+ * missing 96/128 CPP for 8x MSAA with 32_32_32/32_32_32_32
+ */
static const struct {
unsigned pitchalign;
unsigned heightalign;
+ uint8_t ubwc_blockwidth;
+ uint8_t ubwc_blockheight;
} tile_alignment[] = {
- [1] = { 128, 32 },
- [2] = { 128, 16 },
+ [1] = { 128, 32, 16, 4 },
+ [2] = { 128, 16, 16, 4 },
[3] = { 64, 32 },
- [4] = { 64, 16 },
+ [4] = { 64, 16, 16, 4 },
[6] = { 64, 16 },
- [8] = { 64, 16 },
+ [8] = { 64, 16, 8, 4, },
[12] = { 64, 16 },
- [16] = { 64, 16 },
+ [16] = { 64, 16, 4, 4, },
[24] = { 64, 16 },
- [32] = { 64, 16 },
+ [32] = { 64, 16, 4, 2 },
[48] = { 64, 16 },
[64] = { 64, 16 },
/* special cases for r8g8: */
- [0] = { 64, 32 },
+ [0] = { 64, 32, 16, 4 },
};
+#define RGB_TILE_WIDTH_ALIGNMENT 64
+#define RGB_TILE_HEIGHT_ALIGNMENT 16
+#define UBWC_PLANE_SIZE_ALIGNMENT 4096
+
/* NOTE: good way to test this is: (for example)
* piglit/bin/texelFetch fs sampler3D 100x100x8
*/
fdl6_layout(struct fdl_layout *layout,
enum pipe_format format, uint32_t nr_samples,
uint32_t width0, uint32_t height0, uint32_t depth0,
- uint32_t mip_levels, uint32_t array_size, bool is_3d)
+ uint32_t mip_levels, uint32_t array_size, bool is_3d, bool ubwc)
{
assert(nr_samples > 0);
layout->width0 = width0;
const struct util_format_description *format_desc =
util_format_description(format);
- uint32_t level;
uint32_t depth = depth0;
/* linear dimensions: */
uint32_t lwidth = width0;
debug_assert(ta < ARRAY_SIZE(tile_alignment));
debug_assert(tile_alignment[ta].pitchalign);
- for (level = 0; level < mip_levels; level++) {
+ for (uint32_t level = 0; level < mip_levels; level++) {
struct fdl_slice *slice = &layout->slices[level];
- uint32_t tile_mode = fdl_tile_mode(layout, level);
+ struct fdl_slice *ubwc_slice = &layout->ubwc_slices[level];
+ uint32_t tile_mode = (ubwc ?
+ layout->tile_mode : fdl_tile_mode(layout, level));
uint32_t width, height;
/* tiled levels of 3D textures are rounded up to PoT dimensions: */
layout->size += slice->size0 * depth * layers_in_level;
- if (false) {
- fprintf(stderr, "%s: %ux%ux%u@%u:\t%2u: stride=%4u, size=%6u,%7u, aligned_height=%3u, blocks=%u, offset=0x%x tiling=%d\n",
- util_format_name(format),
- width, height, depth, layout->cpp,
- level, slice->pitch * layout->cpp,
- slice->size0, layout->size, aligned_height, blocks,
- slice->offset, tile_mode);
+ if (ubwc) {
+ /* with UBWC every level is aligned to 4K */
+ layout->size = align(layout->size, 4096);
+
+ uint32_t block_width = tile_alignment[ta].ubwc_blockwidth;
+ uint32_t block_height = tile_alignment[ta].ubwc_blockheight;
+ uint32_t meta_pitch = align(DIV_ROUND_UP(width, block_width),
+ RGB_TILE_WIDTH_ALIGNMENT);
+ uint32_t meta_height = align(DIV_ROUND_UP(height, block_height),
+ RGB_TILE_HEIGHT_ALIGNMENT);
+
+ /* it looks like mipmaps need alignment to power of two
+ * TODO: needs testing with large npot textures
+ * (needed for the first level?)
+ */
+ if (mip_levels > 1) {
+ meta_pitch = util_next_power_of_two(meta_pitch);
+ meta_height = util_next_power_of_two(meta_height);
+ }
+
+ ubwc_slice->size0 = align(meta_pitch * meta_height, UBWC_PLANE_SIZE_ALIGNMENT);
+ ubwc_slice->pitch = meta_pitch;
+ ubwc_slice->offset = layout->ubwc_size;
+ layout->ubwc_size += ubwc_slice->size0;
}
depth = u_minify(depth, 1);
layout->layer_size = align(layout->size, 4096);
layout->size = layout->layer_size * array_size;
}
+
+ /* Place the UBWC slices before the uncompressed slices, because the
+ * kernel expects UBWC to be at the start of the buffer. In the HW, we
+ * get to program the UBWC and non-UBWC offset/strides
+ * independently.
+ */
+ if (ubwc) {
+ for (uint32_t level = 0; level < mip_levels; level++)
+ layout->slices[level].offset += layout->ubwc_size * array_size;
+ layout->size += layout->ubwc_size * array_size;
+ }
+
+ if (false) {
+ for (uint32_t level = 0; level < mip_levels; level++) {
+ struct fdl_slice *slice = &layout->slices[level];
+ struct fdl_slice *ubwc_slice = &layout->ubwc_slices[level];
+ uint32_t tile_mode = (ubwc ?
+ layout->tile_mode : fdl_tile_mode(layout, level));
+
+ fprintf(stderr, "%s: %ux%ux%u@%ux%u:\t%2u: stride=%4u, size=%6u,%6u, aligned_height=%3u, offset=0x%x,0x%x tiling=%d\n",
+ util_format_name(format),
+ u_minify(layout->width0, level),
+ u_minify(layout->height0, level),
+ u_minify(layout->depth0, level),
+ layout->cpp, nr_samples,
+ level,
+ slice->pitch * layout->cpp,
+ slice->size0, ubwc_slice->size0,
+ slice->size0 / (slice->pitch * layout->cpp),
+ slice->offset, ubwc_slice->offset,
+ tile_mode);
+ }
+ }
+}
+
+void
+fdl6_get_ubwc_blockwidth(struct fdl_layout *layout,
+ uint32_t *blockwidth, uint32_t *blockheight)
+{
+ *blockwidth = tile_alignment[layout->cpp].ubwc_blockwidth;
+ *blockheight = tile_alignment[layout->cpp].ubwc_blockheight;
}
fdl6_layout(struct fdl_layout *layout,
enum pipe_format format, uint32_t nr_samples,
uint32_t width0, uint32_t height0, uint32_t depth0,
- uint32_t mip_levels, uint32_t array_size, bool is_3d);
+ uint32_t mip_levels, uint32_t array_size, bool is_3d, bool ubwc);
+
+void
+fdl6_get_ubwc_blockwidth(struct fdl_layout *layout,
+ uint32_t *blockwidth, uint32_t *blockheight);
#endif /* FREEDRENO_LAYOUT_H_ */
TU_FROM_HANDLE(tu_image, image, _image);
pMemoryRequirements->memoryTypeBits = 1;
- pMemoryRequirements->size = image->size;
+ pMemoryRequirements->size = image->layout.size;
pMemoryRequirements->alignment = image->alignment;
}
return image->layout.tile_mode;
}
-/* indexed by cpp, including msaa 2x and 4x: */
-static const struct {
- uint8_t pitchalign;
- uint8_t heightalign;
- uint8_t ubwc_blockwidth;
- uint8_t ubwc_blockheight;
-} tile_alignment[] = {
-/* TODO:
- * cpp=1 UBWC needs testing at larger texture sizes
- * missing UBWC blockwidth/blockheight for npot+64 cpp
- * missing 96/128 CPP for 8x MSAA with 32_32_32/32_32_32_32
- */
- [1] = { 128, 32, 16, 4 },
- [2] = { 128, 16, 16, 4 },
- [3] = { 64, 32 },
- [4] = { 64, 16, 16, 4 },
- [6] = { 64, 16 },
- [8] = { 64, 16, 8, 4, },
- [12] = { 64, 16 },
- [16] = { 64, 16, 4, 4, },
- [24] = { 64, 16 },
- [32] = { 64, 16, 4, 2 },
- [48] = { 64, 16 },
- [64] = { 64, 16 },
- /* special case for r8g8: */
- [0] = { 64, 32, 16, 4 },
-};
-
-static void
-setup_slices(struct tu_image *image,
- const VkImageCreateInfo *pCreateInfo,
- bool ubwc_enabled)
-{
-#define RGB_TILE_WIDTH_ALIGNMENT 64
-#define RGB_TILE_HEIGHT_ALIGNMENT 16
-#define UBWC_PLANE_SIZE_ALIGNMENT 4096
- VkFormat format = pCreateInfo->format;
- enum util_format_layout layout = vk_format_description(format)->layout;
- uint32_t layer_size = 0;
- uint32_t ubwc_size = 0;
- int ta = image->layout.cpp;
-
- if (image->type != VK_IMAGE_TYPE_3D)
- image->layout.layer_first = true;
-
- /* The r8g8 format seems to not play by the normal tiling rules: */
- if (image->layout.cpp == 2 && vk_format_get_nr_components(format) == 2)
- ta = 0;
-
- for (unsigned level = 0; level < pCreateInfo->mipLevels; level++) {
- struct fdl_slice *slice = &image->layout.slices[level];
- struct fdl_slice *ubwc_slice = &image->layout.ubwc_slices[level];
- uint32_t width = u_minify(pCreateInfo->extent.width, level);
- uint32_t height = u_minify(pCreateInfo->extent.height, level);
- uint32_t depth = u_minify(pCreateInfo->extent.depth, level);
- uint32_t aligned_height = height;
- uint32_t blocks;
- uint32_t pitchalign;
-
- if (image->layout.tile_mode &&
- !image_level_linear(image, level, ubwc_enabled)) {
- /* tiled levels of 3D textures are rounded up to PoT dimensions: */
- if (pCreateInfo->imageType == VK_IMAGE_TYPE_3D) {
- width = util_next_power_of_two(width);
- height = aligned_height = util_next_power_of_two(height);
- }
- pitchalign = tile_alignment[ta].pitchalign;
- aligned_height = align(aligned_height, tile_alignment[ta].heightalign);
- } else {
- pitchalign = 64;
- }
-
- /* The blits used for mem<->gmem work at a granularity of
- * 32x32, which can cause faults due to over-fetch on the
- * last level. The simple solution is to over-allocate a
- * bit the last level to ensure any over-fetch is harmless.
- * The pitch is already sufficiently aligned, but height
- * may not be:
- */
- if (level + 1 == pCreateInfo->mipLevels)
- aligned_height = align(aligned_height, 32);
-
- if (layout == UTIL_FORMAT_LAYOUT_ASTC)
- slice->pitch =
- util_align_npot(width, pitchalign * vk_format_get_blockwidth(format));
- else
- slice->pitch = align(width, pitchalign);
-
- slice->offset = layer_size;
- blocks = vk_format_get_block_count(format, slice->pitch, aligned_height);
-
- /* 1d array and 2d array textures must all have the same layer size
- * for each miplevel on a6xx. 3d textures can have different layer
- * sizes for high levels, but the hw auto-sizer is buggy (or at least
- * different than what this code does), so as soon as the layer size
- * range gets into range, we stop reducing it.
- */
- if (pCreateInfo->imageType == VK_IMAGE_TYPE_3D) {
- if (level < 1 || image->layout.slices[level - 1].size0 > 0xf000) {
- slice->size0 = align(blocks * image->layout.cpp, 4096);
- } else {
- slice->size0 = image->layout.slices[level - 1].size0;
- }
- } else {
- slice->size0 = blocks * image->layout.cpp;
- }
-
- layer_size += slice->size0 * depth;
- if (ubwc_enabled) {
- /* with UBWC every level is aligned to 4K */
- layer_size = align(layer_size, 4096);
-
- uint32_t block_width = tile_alignment[ta].ubwc_blockwidth;
- uint32_t block_height = tile_alignment[ta].ubwc_blockheight;
- uint32_t meta_pitch = align(DIV_ROUND_UP(width, block_width), RGB_TILE_WIDTH_ALIGNMENT);
- uint32_t meta_height = align(DIV_ROUND_UP(height, block_height), RGB_TILE_HEIGHT_ALIGNMENT);
-
- /* it looks like mipmaps need alignment to power of two
- * TODO: needs testing with large npot textures
- * (needed for the first level?)
- */
- if (pCreateInfo->mipLevels > 1) {
- meta_pitch = util_next_power_of_two(meta_pitch);
- meta_height = util_next_power_of_two(meta_height);
- }
-
- ubwc_slice->pitch = meta_pitch;
- ubwc_slice->offset = ubwc_size;
- ubwc_size += align(meta_pitch * meta_height, UBWC_PLANE_SIZE_ALIGNMENT);
- }
- }
- image->layout.layer_size = align(layer_size, 4096);
-
- VkDeviceSize offset = ubwc_size * pCreateInfo->arrayLayers;
- for (unsigned level = 0; level < pCreateInfo->mipLevels; level++)
- image->layout.slices[level].offset += offset;
-
- image->size = offset + image->layout.layer_size * pCreateInfo->arrayLayers;
- image->layout.ubwc_size = ubwc_size;
-}
-
VkResult
tu_image_create(VkDevice _device,
const VkImageCreateInfo *pCreateInfo,
image->level_count = pCreateInfo->mipLevels;
image->layer_count = pCreateInfo->arrayLayers;
image->samples = pCreateInfo->samples;
- image->layout.cpp = vk_format_get_blocksize(image->vk_format) * image->samples;
image->exclusive = pCreateInfo->sharingMode == VK_SHARING_MODE_EXCLUSIVE;
if (pCreateInfo->sharingMode == VK_SHARING_MODE_CONCURRENT) {
ubwc_enabled = false;
}
- if (!tile_alignment[image->layout.cpp].ubwc_blockwidth) {
+ uint32_t ubwc_blockwidth, ubwc_blockheight;
+ fdl6_get_ubwc_blockwidth(&image->layout,
+ &ubwc_blockwidth, &ubwc_blockheight);
+ if (!ubwc_blockwidth) {
tu_finishme("UBWC for cpp=%d", image->layout.cpp);
ubwc_enabled = false;
}
/* expect UBWC enabled if we asked for it */
assert(modifier != DRM_FORMAT_MOD_QCOM_COMPRESSED || ubwc_enabled);
- setup_slices(image, pCreateInfo, ubwc_enabled);
+ fdl6_layout(&image->layout, vk_format_to_pipe_format(image->vk_format),
+ image->samples,
+ pCreateInfo->extent.width,
+ pCreateInfo->extent.height,
+ pCreateInfo->extent.depth,
+ pCreateInfo->mipLevels,
+ pCreateInfo->arrayLayers,
+ pCreateInfo->imageType == VK_IMAGE_TYPE_3D,
+ ubwc_enabled);
*pImage = tu_image_to_handle(image);
iview->descriptor[5] = base_addr >> 32;
if (image->layout.ubwc_size) {
- uint32_t block_width = tile_alignment[image->layout.cpp].ubwc_blockwidth;
- uint32_t block_height = tile_alignment[image->layout.cpp].ubwc_blockheight;
+ uint32_t block_width, block_height;
+ fdl6_get_ubwc_blockwidth(&image->layout,
+ &block_width, &block_height);
iview->descriptor[3] |= A6XX_TEX_CONST_3_FLAG | A6XX_TEX_CONST_3_TILE_ALL;
iview->descriptor[7] = ubwc_addr;
VkSampleCountFlagBits samples;
- VkDeviceSize size;
uint32_t alignment;
struct fdl_layout layout;
fdl6_layout(&rsc->layout, prsc->format, fd_resource_nr_samples(prsc),
prsc->width0, prsc->height0, prsc->depth0,
prsc->last_level + 1, prsc->array_size,
- prsc->target == PIPE_TEXTURE_3D);
+ prsc->target == PIPE_TEXTURE_3D, false);
/* The caller does this bit of layout setup again. */
if (rsc->layout.layer_first)