From 20e0407235f3e98da7a9539f25cadf794eb9157f Mon Sep 17 00:00:00 2001
From: GPUCode <geoster3d@gmail.com>
Date: Tue, 26 Dec 2023 16:28:42 +0200
Subject: [PATCH] video_core: Fix buffer_row_length computation for linear
compressed textures
---
src/video_core/texture_cache/decode_bc.cpp | 50 ++++++++++++----------
src/video_core/texture_cache/decode_bc.h | 2 +-
src/video_core/texture_cache/util.cpp | 16 +++----
3 files changed, 35 insertions(+), 33 deletions(-)
diff --git a/src/video_core/texture_cache/decode_bc.cpp b/src/video_core/texture_cache/decode_bc.cpp
index 3e26474a3e..a018c6df46 100644
--- a/src/video_core/texture_cache/decode_bc.cpp
+++ b/src/video_core/texture_cache/decode_bc.cpp
@@ -60,66 +60,72 @@ u32 ConvertedBytesPerBlock(VideoCore::Surface::PixelFormat pixel_format) {
}
template <auto decompress, PixelFormat pixel_format>
-void DecompressBlocks(std::span<const u8> input, std::span<u8> output, Extent3D extent,
+void DecompressBlocks(std::span<const u8> input, std::span<u8> output, BufferImageCopy& copy,
bool is_signed = false) {
const u32 out_bpp = ConvertedBytesPerBlock(pixel_format);
- const u32 block_width = std::min(extent.width, BLOCK_SIZE);
- const u32 block_height = std::min(extent.height, BLOCK_SIZE);
- const u32 pitch = extent.width * out_bpp;
+ const u32 block_size = BlockSize(pixel_format);
+ const u32 width = copy.image_extent.width;
+ const u32 height = copy.image_extent.height * copy.image_subresource.num_layers;
+ const u32 depth = copy.image_extent.depth;
+ const u32 block_width = std::min(width, BLOCK_SIZE);
+ const u32 block_height = std::min(height, BLOCK_SIZE);
+ const u32 pitch = width * out_bpp;
size_t input_offset = 0;
size_t output_offset = 0;
- for (u32 slice = 0; slice < extent.depth; ++slice) {
- for (u32 y = 0; y < extent.height; y += block_height) {
- size_t row_offset = 0;
- for (u32 x = 0; x < extent.width;
- x += block_width, row_offset += block_width * out_bpp) {
- const u8* src = input.data() + input_offset;
- u8* const dst = output.data() + output_offset + row_offset;
+ for (u32 slice = 0; slice < depth; ++slice) {
+ for (u32 y = 0; y < height; y += block_height) {
+ size_t src_offset = input_offset;
+ size_t dst_offset = output_offset;
+ for (u32 x = 0; x < width; x += block_width) {
+ const u8* src = input.data() + src_offset;
+ u8* const dst = output.data() + dst_offset;
if constexpr (IsSigned(pixel_format)) {
- decompress(src, dst, x, y, extent.width, extent.height, is_signed);
+ decompress(src, dst, x, y, width, height, is_signed);
} else {
- decompress(src, dst, x, y, extent.width, extent.height);
+ decompress(src, dst, x, y, width, height);
}
- input_offset += BlockSize(pixel_format);
+ src_offset += block_size;
+ dst_offset += block_width * out_bpp;
}
+ input_offset += copy.buffer_row_length * block_size / block_width;
output_offset += block_height * pitch;
}
}
}
-void DecompressBCn(std::span<const u8> input, std::span<u8> output, Extent3D extent,
+void DecompressBCn(std::span<const u8> input, std::span<u8> output, BufferImageCopy& copy,
VideoCore::Surface::PixelFormat pixel_format) {
switch (pixel_format) {
case PixelFormat::BC1_RGBA_UNORM:
case PixelFormat::BC1_RGBA_SRGB:
- DecompressBlocks<bcn::DecodeBc1, PixelFormat::BC1_RGBA_UNORM>(input, output, extent);
+ DecompressBlocks<bcn::DecodeBc1, PixelFormat::BC1_RGBA_UNORM>(input, output, copy);
break;
case PixelFormat::BC2_UNORM:
case PixelFormat::BC2_SRGB:
- DecompressBlocks<bcn::DecodeBc2, PixelFormat::BC2_UNORM>(input, output, extent);
+ DecompressBlocks<bcn::DecodeBc2, PixelFormat::BC2_UNORM>(input, output, copy);
break;
case PixelFormat::BC3_UNORM:
case PixelFormat::BC3_SRGB:
- DecompressBlocks<bcn::DecodeBc3, PixelFormat::BC3_UNORM>(input, output, extent);
+ DecompressBlocks<bcn::DecodeBc3, PixelFormat::BC3_UNORM>(input, output, copy);
break;
case PixelFormat::BC4_SNORM:
case PixelFormat::BC4_UNORM:
DecompressBlocks<bcn::DecodeBc4, PixelFormat::BC4_UNORM>(
- input, output, extent, pixel_format == PixelFormat::BC4_SNORM);
+ input, output, copy, pixel_format == PixelFormat::BC4_SNORM);
break;
case PixelFormat::BC5_SNORM:
case PixelFormat::BC5_UNORM:
DecompressBlocks<bcn::DecodeBc5, PixelFormat::BC5_UNORM>(
- input, output, extent, pixel_format == PixelFormat::BC5_SNORM);
+ input, output, copy, pixel_format == PixelFormat::BC5_SNORM);
break;
case PixelFormat::BC6H_SFLOAT:
case PixelFormat::BC6H_UFLOAT:
DecompressBlocks<bcn::DecodeBc6, PixelFormat::BC6H_UFLOAT>(
- input, output, extent, pixel_format == PixelFormat::BC6H_SFLOAT);
+ input, output, copy, pixel_format == PixelFormat::BC6H_SFLOAT);
break;
case PixelFormat::BC7_SRGB:
case PixelFormat::BC7_UNORM:
- DecompressBlocks<bcn::DecodeBc7, PixelFormat::BC7_UNORM>(input, output, extent);
+ DecompressBlocks<bcn::DecodeBc7, PixelFormat::BC7_UNORM>(input, output, copy);
break;
default:
LOG_WARNING(HW_GPU, "Unimplemented BCn decompression {}", pixel_format);
diff --git a/src/video_core/texture_cache/decode_bc.h b/src/video_core/texture_cache/decode_bc.h
index 41d1ec0a3a..4e3b9b8ace 100644
--- a/src/video_core/texture_cache/decode_bc.h
+++ b/src/video_core/texture_cache/decode_bc.h
@@ -13,7 +13,7 @@ namespace VideoCommon {
[[nodiscard]] u32 ConvertedBytesPerBlock(VideoCore::Surface::PixelFormat pixel_format);
-void DecompressBCn(std::span<const u8> input, std::span<u8> output, Extent3D extent,
+void DecompressBCn(std::span<const u8> input, std::span<u8> output, BufferImageCopy& copy,
VideoCore::Surface::PixelFormat pixel_format);
} // namespace VideoCommon
diff --git a/src/video_core/texture_cache/util.cpp b/src/video_core/texture_cache/util.cpp
index 15596c9250..fcf70068ec 100644
--- a/src/video_core/texture_cache/util.cpp
+++ b/src/video_core/texture_cache/util.cpp
@@ -837,6 +837,7 @@ boost::container::small_vector<BufferImageCopy, 16> UnswizzleImage(Tegra::Memory
std::span<u8> output) {
const size_t guest_size_bytes = input.size_bytes();
const u32 bpp_log2 = BytesPerBlockLog2(info.format);
+ const Extent2D tile_size = DefaultBlockSize(info.format);
const Extent3D size = info.size;
if (info.type == ImageType::Linear) {
@@ -847,7 +848,7 @@ boost::container::small_vector<BufferImageCopy, 16> UnswizzleImage(Tegra::Memory
return {{
.buffer_offset = 0,
.buffer_size = guest_size_bytes,
- .buffer_row_length = info.pitch >> bpp_log2,
+ .buffer_row_length = info.pitch * tile_size.width >> bpp_log2,
.buffer_image_height = size.height,
.image_subresource =
{
@@ -862,7 +863,6 @@ boost::container::small_vector<BufferImageCopy, 16> UnswizzleImage(Tegra::Memory
const LevelInfo level_info = MakeLevelInfo(info);
const s32 num_layers = info.resources.layers;
const s32 num_levels = info.resources.levels;
- const Extent2D tile_size = DefaultBlockSize(info.format);
const std::array level_sizes = CalculateLevelSizes(level_info, num_levels);
const Extent2D gob = GobSize(bpp_log2, info.block.height, info.tile_width_spacing);
const u32 layer_size = CalculateLevelBytes(level_sizes, num_levels);
@@ -926,8 +926,6 @@ void ConvertImage(std::span<const u8> input, const ImageInfo& info, std::span<u8
const auto input_offset = input.subspan(copy.buffer_offset);
copy.buffer_offset = output_offset;
- copy.buffer_row_length = mip_size.width;
- copy.buffer_image_height = mip_size.height;
const auto recompression_setting = Settings::values.astc_recompression.GetValue();
const bool astc = IsPixelFormatASTC(info.format);
@@ -972,16 +970,14 @@ void ConvertImage(std::span<const u8> input, const ImageInfo& info, std::span<u8
bpp_div;
output_offset += static_cast<u32>(copy.buffer_size);
} else {
- const Extent3D image_extent{
- .width = copy.image_extent.width,
- .height = copy.image_extent.height * copy.image_subresource.num_layers,
- .depth = copy.image_extent.depth,
- };
- DecompressBCn(input_offset, output.subspan(output_offset), image_extent, info.format);
+ DecompressBCn(input_offset, output.subspan(output_offset), copy, info.format);
output_offset += copy.image_extent.width * copy.image_extent.height *
copy.image_subresource.num_layers *
ConvertedBytesPerBlock(info.format);
}
+
+ copy.buffer_row_length = mip_size.width;
+ copy.buffer_image_height = mip_size.height;
}
}
--
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