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Refactor AccelerateDMA code

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This commit is contained in:
ameerj 2023-03-06 21:16:17 -05:00
parent 6d61430311
commit 6b9cc0ed23
8 changed files with 155 additions and 250 deletions
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86
src/video_core/texture_cache/texture_cache.h
View file

@ -744,6 +744,25 @@ void TextureCache<P>::PopAsyncFlushes() {
}
}
template <class P>
ImageId TextureCache<P>::DmaImageId(const Tegra::DMA::ImageOperand& operand) {
const ImageInfo dst_info(operand);
const ImageId dst_id = FindDMAImage(dst_info, operand.address);
if (!dst_id) {
return NULL_IMAGE_ID;
}
const auto& image = slot_images[dst_id];
if (False(image.flags & ImageFlagBits::GpuModified)) {
// No need to waste time on an image that's synced with guest
return NULL_IMAGE_ID;
}
const auto base = image.TryFindBase(operand.address);
if (!base) {
return NULL_IMAGE_ID;
}
return dst_id;
}
template <class P>
bool TextureCache<P>::IsRescaling() const noexcept {
return is_rescaling;
@ -771,6 +790,49 @@ bool TextureCache<P>::IsRegionGpuModified(VAddr addr, size_t size) {
return is_modified;
}
template <class P>
std::pair<typename TextureCache<P>::Image*, BufferImageCopy> TextureCache<P>::DmaBufferImageCopy(
const Tegra::DMA::ImageCopy& copy_info, const Tegra::DMA::BufferOperand& buffer_operand,
const Tegra::DMA::ImageOperand& image_operand, ImageId image_id, bool modifies_image) {
const auto [level, base] = PrepareDmaImage(image_id, image_operand.address, modifies_image);
auto* image = &slot_images[image_id];
const u32 buffer_size = static_cast<u32>(buffer_operand.pitch * buffer_operand.height);
const u32 bpp = VideoCore::Surface::BytesPerBlock(image->info.format);
const auto convert = [old_bpp = image_operand.bytes_per_pixel, bpp](u32 value) {
return (old_bpp * value) / bpp;
};
const u32 base_x = convert(image_operand.params.origin.x.Value());
const u32 base_y = image_operand.params.origin.y.Value();
const u32 length_x = convert(copy_info.length_x);
const u32 length_y = copy_info.length_y;
const BufferImageCopy copy{
.buffer_offset = 0,
.buffer_size = buffer_size,
.buffer_row_length = convert(buffer_operand.pitch),
.buffer_image_height = buffer_operand.height,
.image_subresource =
{
.base_level = static_cast<s32>(level),
.base_layer = static_cast<s32>(base),
.num_layers = 1,
},
.image_offset =
{
.x = static_cast<s32>(base_x),
.y = static_cast<s32>(base_y),
.z = 0,
},
.image_extent =
{
.width = length_x,
.height = length_y,
.depth = 1,
},
};
return {image, copy};
}
template <class P>
void TextureCache<P>::RefreshContents(Image& image, ImageId image_id) {
if (False(image.flags & ImageFlagBits::CpuModified)) {
@ -1405,26 +1467,14 @@ ImageId TextureCache<P>::FindDMAImage(const ImageInfo& info, GPUVAddr gpu_addr)
}
template <class P>
std::optional<std::pair<typename TextureCache<P>::Image*, std::pair<u32, u32>>>
TextureCache<P>::ObtainImage(const Tegra::DMA::ImageOperand& operand, bool mark_as_modified) {
ImageInfo dst_info(operand);
ImageId dst_id = FindDMAImage(dst_info, operand.address);
if (!dst_id) {
return std::nullopt;
}
auto& image = slot_images[dst_id];
auto base = image.TryFindBase(operand.address);
if (!base) {
return std::nullopt;
}
if (False(image.flags & ImageFlagBits::GpuModified)) {
// No need to waste time on an image that's synced with guest
return std::nullopt;
}
std::pair<u32, u32> TextureCache<P>::PrepareDmaImage(ImageId dst_id, GPUVAddr base_addr,
bool mark_as_modified) {
const auto& image = slot_images[dst_id];
const auto base = image.TryFindBase(base_addr);
PrepareImage(dst_id, mark_as_modified, false);
auto& new_image = slot_images[dst_id];
const auto& new_image = slot_images[dst_id];
lru_cache.Touch(new_image.lru_index, frame_tick);
return std::make_pair(&new_image, std::make_pair(base->level, base->layer));
return std::make_pair(base->level, base->layer);
}
template <class P>

10
src/video_core/texture_cache/texture_cache_base.h
View file

@ -209,8 +209,11 @@ public:
/// Pop asynchronous downloads
void PopAsyncFlushes();
[[nodiscard]] std::optional<std::pair<Image*, std::pair<u32, u32>>> ObtainImage(
const Tegra::DMA::ImageOperand& operand, bool mark_as_modified);
[[nodiscard]] ImageId DmaImageId(const Tegra::DMA::ImageOperand& operand);
[[nodiscard]] std::pair<Image*, BufferImageCopy> DmaBufferImageCopy(
const Tegra::DMA::ImageCopy& copy_info, const Tegra::DMA::BufferOperand& buffer_operand,
const Tegra::DMA::ImageOperand& image_operand, ImageId image_id, bool modifies_image);
/// Return true when a CPU region is modified from the GPU
[[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);
@ -386,6 +389,9 @@ private:
/// Returns true if the current clear parameters clear the whole image of a given image view
[[nodiscard]] bool IsFullClear(ImageViewId id);
[[nodiscard]] std::pair<u32, u32> PrepareDmaImage(ImageId dst_id, GPUVAddr base_addr,
bool mark_as_modified);
bool ImageCanRescale(ImageBase& image);
void InvalidateScale(Image& image);
bool ScaleUp(Image& image);