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Graphics: preserve rendered contents across 1D and 2D texture aliases

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This commit is contained in:
nmzik
2026-09-27 12:55:10 +04:00
parent 7b6bfdec64
commit f53f0ca483
2 changed files with 59 additions and 9 deletions
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src/graphics/host_gpu/renderer/cache/textureCache.cpp
Vendored
+15 -9
View File
@@ -193,7 +193,7 @@ bool TextureCache::SameBacking(const ImageInfo& cached, const ImageInfo& request
return false;
}
if (!ImageViewOps::FormatsCompatible(cached.pixel_format, requested.pixel_format) ||
(cached.type != requested.type && requested.extent != vk::Extent3D {1, 1, 1})) {
cached.type != requested.type) {
return false;
}
if (exact_format && cached.pixel_format != requested.pixel_format) {
@@ -639,9 +639,12 @@ void TextureCache::CopyImage(ImageId destination_id, ImageId source_id) {
const bool source_depth = source.info.IsDepth();
const bool dest_depth = destination.info.IsDepth();
const bool direct_copy =
source.backing.format == destination.backing.format ||
(!source_depth && !dest_depth &&
vk::blockSize(source.backing.format) == vk::blockSize(destination.backing.format));
(source.backing.image_type == destination.backing.image_type ||
(source.backing.image_type != vk::ImageType::e1D &&
destination.backing.image_type != vk::ImageType::e1D)) &&
(source.backing.format == destination.backing.format ||
(!source_depth && !dest_depth &&
vk::blockSize(source.backing.format) == vk::blockSize(destination.backing.format)));
if (direct_copy) {
destination.CopyImage(source);
} else if (!CopyD16(destination, source)) {
@@ -810,12 +813,15 @@ TextureCache::OverlapResult TextureCache::ResolveOverlap(const ImageInfo& reques
return {merged_id};
}
// PPSA08394
// A view cannot change the native image type or grow its extent.
if (requested.data.size == cached.info.data.size &&
requested.resources == cached.info.resources && requested.type == cached.info.type &&
requested.extent.width > cached.info.extent.width &&
requested.extent.height >= cached.info.extent.height &&
requested.extent.depth >= cached.info.extent.depth &&
ImageViewOps::FormatsCompatible(cached.info.pixel_format, requested.pixel_format)) {
requested.resources == cached.info.resources &&
ImageViewOps::FormatsCompatible(cached.info.pixel_format, requested.pixel_format) &&
(requested.type != cached.info.type
? requested.extent == cached.info.extent
: requested.extent.width > cached.info.extent.width &&
requested.extent.height >= cached.info.extent.height &&
requested.extent.depth >= cached.info.extent.depth)) {
return {ExpandImage(requested, cached_id)};
}
// PS5 mip tails can expose more levels without increasing the guest allocation.