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texture_cache: Use pre-allocated buffer for texture uploads

This commit is contained in:
ameerj 2022-12-22 16:52:53 -05:00
parent 9933121256
commit c448b3af2f
4 changed files with 28 additions and 13 deletions
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26
src/video_core/texture_cache/texture_cache.h
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@ -39,6 +39,12 @@ TextureCache<P>::TextureCache(Runtime& runtime_, VideoCore::RasterizerInterface&
sampler_descriptor.mipmap_filter.Assign(Tegra::Texture::TextureMipmapFilter::Linear);
sampler_descriptor.cubemap_anisotropy.Assign(1);
// These values were chosen based on typical peak swizzle data sizes seen in some titles
static constexpr size_t SWIZZLE_DATA_BUFFER_INITIAL_CAPACITY = 8_MiB;
static constexpr size_t UNSWIZZLE_DATA_BUFFER_INITIAL_CAPACITY = 1_MiB;
swizzle_data_buffer.reserve(SWIZZLE_DATA_BUFFER_INITIAL_CAPACITY);
unswizzle_data_buffer.reserve(UNSWIZZLE_DATA_BUFFER_INITIAL_CAPACITY);
// Make sure the first index is reserved for the null resources
// This way the null resource becomes a compile time constant
void(slot_images.insert(NullImageParams{}));
@ -734,13 +740,21 @@ void TextureCache<P>::UploadImageContents(Image& image, StagingBuffer& staging)
gpu_memory->ReadBlockUnsafe(gpu_addr, mapped_span.data(), mapped_span.size_bytes());
const auto uploads = FullUploadSwizzles(image.info);
runtime.AccelerateImageUpload(image, staging, uploads);
} else if (True(image.flags & ImageFlagBits::Converted)) {
std::vector<u8> unswizzled_data(image.unswizzled_size_bytes);
auto copies = UnswizzleImage(*gpu_memory, gpu_addr, image.info, unswizzled_data);
ConvertImage(unswizzled_data, image.info, mapped_span, copies);
return;
}
const size_t guest_size_bytes = image.guest_size_bytes;
swizzle_data_buffer.resize(guest_size_bytes);
gpu_memory->ReadBlockUnsafe(gpu_addr, swizzle_data_buffer.data(), guest_size_bytes);
if (True(image.flags & ImageFlagBits::Converted)) {
unswizzle_data_buffer.resize(image.unswizzled_size_bytes);
auto copies = UnswizzleImage(*gpu_memory, gpu_addr, image.info, swizzle_data_buffer,
unswizzle_data_buffer);
ConvertImage(unswizzle_data_buffer, image.info, mapped_span, copies);
image.UploadMemory(staging, copies);
} else {
const auto copies = UnswizzleImage(*gpu_memory, gpu_addr, image.info, mapped_span);
const auto copies =
UnswizzleImage(*gpu_memory, gpu_addr, image.info, swizzle_data_buffer, mapped_span);
image.UploadMemory(staging, copies);
}
}
@ -910,7 +924,7 @@ void TextureCache<P>::InvalidateScale(Image& image) {
}
template <class P>
u64 TextureCache<P>::GetScaledImageSizeBytes(ImageBase& image) {
u64 TextureCache<P>::GetScaledImageSizeBytes(const ImageBase& image) {
const u64 scale_up = static_cast<u64>(Settings::values.resolution_info.up_scale *
Settings::values.resolution_info.up_scale);
const u64 down_shift = static_cast<u64>(Settings::values.resolution_info.down_shift +

5
src/video_core/texture_cache/texture_cache_base.h
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@ -368,7 +368,7 @@ private:
void InvalidateScale(Image& image);
bool ScaleUp(Image& image);
bool ScaleDown(Image& image);
u64 GetScaledImageSizeBytes(ImageBase& image);
u64 GetScaledImageSizeBytes(const ImageBase& image);
Runtime& runtime;
@ -417,6 +417,9 @@ private:
std::unordered_map<GPUVAddr, ImageAllocId> image_allocs_table;
std::vector<u8> swizzle_data_buffer;
std::vector<u8> unswizzle_data_buffer;
u64 modification_tick = 0;
u64 frame_tick = 0;
};

9
src/video_core/texture_cache/util.cpp
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@ -765,8 +765,9 @@ bool IsValidEntry(const Tegra::MemoryManager& gpu_memory, const TICEntry& config
}
std::vector<BufferImageCopy> UnswizzleImage(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr,
const ImageInfo& info, std::span<u8> output) {
const size_t guest_size_bytes = CalculateGuestSizeInBytes(info);
const ImageInfo& info, std::span<const u8> input,
std::span<u8> output) {
const size_t guest_size_bytes = input.size_bytes();
const u32 bpp_log2 = BytesPerBlockLog2(info.format);
const Extent3D size = info.size;
@ -789,10 +790,6 @@ std::vector<BufferImageCopy> UnswizzleImage(Tegra::MemoryManager& gpu_memory, GP
.image_extent = size,
}};
}
const auto input_data = std::make_unique<u8[]>(guest_size_bytes);
gpu_memory.ReadBlockUnsafe(gpu_addr, input_data.get(), guest_size_bytes);
const std::span<const u8> input(input_data.get(), guest_size_bytes);
const LevelInfo level_info = MakeLevelInfo(info);
const s32 num_layers = info.resources.layers;
const s32 num_levels = info.resources.levels;

1
src/video_core/texture_cache/util.h
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@ -59,6 +59,7 @@ struct OverlapResult {
[[nodiscard]] std::vector<BufferImageCopy> UnswizzleImage(Tegra::MemoryManager& gpu_memory,
GPUVAddr gpu_addr, const ImageInfo& info,
std::span<const u8> input,
std::span<u8> output);
[[nodiscard]] BufferCopy UploadBufferCopy(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr,