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graphics: reuse texture conversion scratch buffers across uploads

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This commit is contained in:
nmzik
2026-10-01 00:59:02 +04:00
parent 44ba657573
commit c2f8e64f6d
4 changed files with 59 additions and 50 deletions
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src/graphics/host_gpu/renderer/image/tiler.h
+5 -10
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@@ -6,13 +6,14 @@
#include "graphics/host_gpu/vulkanCommon.h"
#include <array>
#include <memory>
#include <span>
#include <vector>
#include <vk_mem_alloc.h>
namespace Libs::Graphics {
class CommandScheduler;
class Buffer;
class Image;
class StreamBuffer;
struct GraphicContext;
@@ -62,7 +63,7 @@ public:
~TileManager();
KYTY_CLASS_NO_COPY(TileManager);
// The returned device-local buffer remains alive through the current scheduler tick.
// Consume scratch results before the next acquisition, or pass their buffer as input.
[[nodiscard]] Result Detile(vk::Buffer tiled, uint64_t tiled_offset, uint64_t tiled_capacity,
uint64_t linear_capacity, std::span<const GpuTileInfo> infos);
void Tile(vk::Buffer linear, uint64_t linear_offset, uint64_t linear_capacity, vk::Buffer tiled,
@@ -71,7 +72,7 @@ public:
uint64_t tiled_offset, uint64_t tiled_capacity, uint64_t linear_capacity,
std::span<const GpuTileInfo> infos,
ColorTransform transform = ColorTransform::None);
[[nodiscard]] Result GetScratchBuffer(uint64_t size);
[[nodiscard]] Result GetScratchBuffer(uint64_t size, vk::Buffer input = nullptr);
void ConvertD16(Result source, Result target, D16Direction direction, bool d32,
const D16Layout& layout);
[[nodiscard]] Result SwapBgra16(Result input);
@@ -105,23 +106,16 @@ private:
uint32_t pipeline_slot = 0;
uint64_t params_offset = 0;
};
struct Scratch {
vk::Buffer buffer = nullptr;
VmaAllocation allocation = nullptr;
uint64_t size = 0;
};
struct StorageBinding {
vk::DescriptorBufferInfo info;
uint32_t base = 0;
};
[[nodiscard]] Scratch AllocateScratch(uint64_t size);
[[nodiscard]] StorageBinding BindStorage(Result buffer, uint64_t size) const;
[[nodiscard]] static uint32_t ConversionRows(uint64_t offset, uint64_t row_stride,
uint64_t active, uint32_t remaining,
uint64_t alignment, uint64_t max_range,
uint32_t max_groups) noexcept;
void DeferDestroy(Scratch scratch);
void Prepare(bool tile, uint64_t tiled_capacity, uint64_t linear_capacity,
std::span<const GpuTileInfo> infos, uint64_t source_base, uint64_t target_base,
std::vector<Dispatch>& dispatches);
@@ -134,6 +128,7 @@ private:
GraphicContext& m_graphics;
CommandScheduler& m_scheduler;
StreamBuffer& m_stream_buffer;
std::array<std::unique_ptr<Buffer>, 2> m_scratch;
vk::DescriptorSetLayout m_descriptor_layout = nullptr;
vk::PipelineLayout m_pipeline_layout = nullptr;
std::array<vk::Pipeline, PipelineCount> m_pipelines {};