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TextureCache: refactor DMA downloads to allow multiple buffers.

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This commit is contained in:
Fernando Sahmkow 2023-03-12 21:43:31 +01:00
parent 9bf19b04f6
commit 3fbee093b2
8 changed files with 75 additions and 41 deletions
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2
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -1299,7 +1299,7 @@ bool AccelerateDMA::DmaBufferImageCopy(const Tegra::DMA::ImageCopy& copy_info,
if constexpr (IS_IMAGE_UPLOAD) {
image->UploadMemory(buffer->Handle(), offset, copy_span);
} else {
image->DownloadMemory(buffer->Handle(), offset, copy_span);
texture_cache.DownloadImageIntoBuffer(image, buffer->Handle(), offset, copy_span);
}
return true;
}

41
src/video_core/renderer_opengl/gl_texture_cache.cpp
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@ -801,32 +801,34 @@ void Image::UploadMemory(const ImageBufferMap& map,
UploadMemory(map.buffer, map.offset, copies);
}
void Image::DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
void Image::DownloadMemory(std::span<GLuint> buffer_handles, size_t buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies) {
const bool is_rescaled = True(flags & ImageFlagBits::Rescaled);
if (is_rescaled) {
ScaleDown();
}
glMemoryBarrier(GL_PIXEL_BUFFER_BARRIER_BIT); // TODO: Move this to its own API
glBindBuffer(GL_PIXEL_PACK_BUFFER, buffer_handle);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
for (auto buffer_handle : buffer_handles) {
glBindBuffer(GL_PIXEL_PACK_BUFFER, buffer_handle);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
u32 current_row_length = std::numeric_limits<u32>::max();
u32 current_image_height = std::numeric_limits<u32>::max();
u32 current_row_length = std::numeric_limits<u32>::max();
u32 current_image_height = std::numeric_limits<u32>::max();
for (const VideoCommon::BufferImageCopy& copy : copies) {
if (copy.image_subresource.base_level >= gl_num_levels) {
continue;
for (const VideoCommon::BufferImageCopy& copy : copies) {
if (copy.image_subresource.base_level >= gl_num_levels) {
continue;
}
if (current_row_length != copy.buffer_row_length) {
current_row_length = copy.buffer_row_length;
glPixelStorei(GL_PACK_ROW_LENGTH, current_row_length);
}
if (current_image_height != copy.buffer_image_height) {
current_image_height = copy.buffer_image_height;
glPixelStorei(GL_PACK_IMAGE_HEIGHT, current_image_height);
}
CopyImageToBuffer(copy, buffer_offset);
}
if (current_row_length != copy.buffer_row_length) {
current_row_length = copy.buffer_row_length;
glPixelStorei(GL_PACK_ROW_LENGTH, current_row_length);
}
if (current_image_height != copy.buffer_image_height) {
current_image_height = copy.buffer_image_height;
glPixelStorei(GL_PACK_IMAGE_HEIGHT, current_image_height);
}
CopyImageToBuffer(copy, buffer_offset);
}
if (is_rescaled) {
ScaleUp(true);
@ -835,7 +837,10 @@ void Image::DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
void Image::DownloadMemory(ImageBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies) {
DownloadMemory(map.buffer, map.offset, copies);
std::array buffers{
map.buffer,
};
DownloadMemory(buffers, map.offset, copies);
}
GLuint Image::StorageHandle() noexcept {

3
src/video_core/renderer_opengl/gl_texture_cache.h
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@ -212,7 +212,7 @@ public:
void UploadMemory(const ImageBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
void DownloadMemory(std::span<GLuint> buffer_handle, size_t buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(ImageBufferMap& map, std::span<const VideoCommon::BufferImageCopy> copies);
@ -376,6 +376,7 @@ struct TextureCacheParams {
using Sampler = OpenGL::Sampler;
using Framebuffer = OpenGL::Framebuffer;
using AsyncBuffer = u32;
using BufferType = GLuint;
};
using TextureCache = VideoCommon::TextureCache<TextureCacheParams>;

2
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -793,7 +793,7 @@ bool AccelerateDMA::DmaBufferImageCopy(const Tegra::DMA::ImageCopy& copy_info,
if constexpr (IS_IMAGE_UPLOAD) {
image->UploadMemory(buffer->Handle(), offset, copy_span);
} else {
image->DownloadMemory(buffer->Handle(), offset, copy_span);
texture_cache.DownloadImageIntoBuffer(image, buffer->Handle(), offset, copy_span);
}
return true;
}

43
src/video_core/renderer_vulkan/vk_texture_cache.cpp
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@ -1,10 +1,11 @@
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <algorithm>
#include <array>
#include <span>
#include <vector>
#include <boost/container/small_vector.hpp>
#include "common/bit_cast.h"
#include "common/bit_util.h"
@ -1341,16 +1342,20 @@ void Image::UploadMemory(const StagingBufferRef& map, std::span<const BufferImag
UploadMemory(map.buffer, map.offset, copies);
}
void Image::DownloadMemory(VkBuffer buffer, VkDeviceSize offset,
void Image::DownloadMemory(std::span<VkBuffer> buffers_span, VkDeviceSize offset,
std::span<const VideoCommon::BufferImageCopy> copies) {
const bool is_rescaled = True(flags & ImageFlagBits::Rescaled);
if (is_rescaled) {
ScaleDown();
}
boost::container::small_vector<VkBuffer, 1> buffers_vector{};
for (auto& buffer : buffers_span) {
buffers_vector.push_back(buffer);
}
std::vector vk_copies = TransformBufferImageCopies(copies, offset, aspect_mask);
scheduler->RequestOutsideRenderPassOperationContext();
scheduler->Record([buffer, image = *original_image, aspect_mask = aspect_mask,
vk_copies](vk::CommandBuffer cmdbuf) {
scheduler->Record([buffers = std::move(buffers_vector), image = *original_image,
aspect_mask = aspect_mask, vk_copies](vk::CommandBuffer cmdbuf) {
const VkImageMemoryBarrier read_barrier{
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = nullptr,
@ -1369,6 +1374,20 @@ void Image::DownloadMemory(VkBuffer buffer, VkDeviceSize offset,
.layerCount = VK_REMAINING_ARRAY_LAYERS,
},
};
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, read_barrier);
for (auto buffer : buffers) {
cmdbuf.CopyImageToBuffer(image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, buffer,
vk_copies);
}
const VkMemoryBarrier memory_write_barrier{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
};
const VkImageMemoryBarrier image_write_barrier{
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = nullptr,
@ -1387,15 +1406,6 @@ void Image::DownloadMemory(VkBuffer buffer, VkDeviceSize offset,
.layerCount = VK_REMAINING_ARRAY_LAYERS,
},
};
const VkMemoryBarrier memory_write_barrier{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
};
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, read_barrier);
cmdbuf.CopyImageToBuffer(image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, buffer, vk_copies);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, memory_write_barrier, nullptr, image_write_barrier);
});
@ -1405,7 +1415,10 @@ void Image::DownloadMemory(VkBuffer buffer, VkDeviceSize offset,
}
void Image::DownloadMemory(const StagingBufferRef& map, std::span<const BufferImageCopy> copies) {
DownloadMemory(map.buffer, map.offset, copies);
std::array buffers{
map.buffer,
};
DownloadMemory(buffers, map.offset, copies);
}
bool Image::IsRescaled() const noexcept {

7
src/video_core/renderer_vulkan/vk_texture_cache.h
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@ -1,5 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
@ -138,7 +138,7 @@ public:
void UploadMemory(const StagingBufferRef& map,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(VkBuffer buffer, VkDeviceSize offset,
void DownloadMemory(std::span<VkBuffer> buffers, VkDeviceSize offset,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(const StagingBufferRef& map,
@ -371,6 +371,7 @@ struct TextureCacheParams {
using Sampler = Vulkan::Sampler;
using Framebuffer = Vulkan::Framebuffer;
using AsyncBuffer = Vulkan::StagingBufferRef;
using BufferType = VkBuffer;
};
using TextureCache = VideoCommon::TextureCache<TextureCacheParams>;

12
src/video_core/texture_cache/texture_cache.h
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
@ -833,6 +833,16 @@ std::pair<typename TextureCache<P>::Image*, BufferImageCopy> TextureCache<P>::Dm
return {image, copy};
}
template <class P>
void TextureCache<P>::DownloadImageIntoBuffer(
typename TextureCache<P>::Image* image, typename TextureCache<P>::BufferType buffer,
size_t buffer_offset, std::span<const VideoCommon::BufferImageCopy> copies) {
std::array buffers{
buffer,
};
image->DownloadMemory(buffers, buffer_offset, copies);
}
template <class P>
void TextureCache<P>::RefreshContents(Image& image, ImageId image_id) {
if (False(image.flags & ImageFlagBits::CpuModified)) {

6
src/video_core/texture_cache/texture_cache_base.h
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
@ -119,6 +119,7 @@ class TextureCache : public VideoCommon::ChannelSetupCaches<TextureCacheChannelI
using Sampler = typename P::Sampler;
using Framebuffer = typename P::Framebuffer;
using AsyncBuffer = typename P::AsyncBuffer;
using BufferType = typename P::BufferType;
struct BlitImages {
ImageId dst_id;
@ -215,6 +216,9 @@ public:
const Tegra::DMA::ImageCopy& copy_info, const Tegra::DMA::BufferOperand& buffer_operand,
const Tegra::DMA::ImageOperand& image_operand, ImageId image_id, bool modifies_image);
void DownloadImageIntoBuffer(Image* image, BufferType buffer, size_t buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies);
/// Return true when a CPU region is modified from the GPU
[[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);