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turnip: fix tile layout logic

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Use DIV_ROUND_UP and stop trying to increase the tile_count width/height
once tile_align_w/tile_align_h are reached.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Jonathan Marek
2019-12-12 16:55:15 -05:00
parent 14cbe2dea5
commit 402bc111fc
1 changed files with 5 additions and 3 deletions
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8
src/freedreno/vulkan/tu_cmd_buffer.c
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@@ -170,14 +170,16 @@ tu_tiling_config_update_tile_layout(struct tu_tiling_config *tiling,
/* do not exceed gmem size */
while (tu_tiling_config_update_gmem_layout(tiling, dev) != VK_SUCCESS) {
if (tiling->tile0.extent.width > tiling->tile0.extent.height) {
if (tiling->tile0.extent.width > MAX2(tile_align_w, tiling->tile0.extent.height)) {
tiling->tile_count.width++;
tiling->tile0.extent.width =
align(ra_width / tiling->tile_count.width, tile_align_w);
align(DIV_ROUND_UP(ra_width, tiling->tile_count.width), tile_align_w);
} else {
/* if this assert fails then layout is impossible.. */
assert(tiling->tile0.extent.height > tile_align_h);
tiling->tile_count.height++;
tiling->tile0.extent.height =
align(ra_height / tiling->tile_count.height, tile_align_h);
align(DIV_ROUND_UP(ra_height, tiling->tile_count.height), tile_align_h);
}
}
}