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VideoBackends: Add AbstractStagingTexture class

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Can be used for asynchronous readback or upload of textures.
This commit is contained in:
Stenzek
2017-10-22 00:49:40 +10:00
parent a584ccc7d8
commit f43d85921d
33 changed files with 1220 additions and 12 deletions
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35
Source/Core/VideoBackends/Vulkan/VKTexture.h
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@ -7,10 +7,12 @@
#include <memory>
#include <vulkan/vulkan.h>
#include "VideoCommon/AbstractStagingTexture.h"
#include "VideoCommon/AbstractTexture.h"
namespace Vulkan
{
class StagingBuffer;
class Texture2D;
class VKTexture final : public AbstractTexture
@ -56,4 +58,37 @@ private:
VkFramebuffer m_framebuffer;
};
class VKStagingTexture final : public AbstractStagingTexture
{
public:
VKStagingTexture() = delete;
~VKStagingTexture();
void CopyFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& src_rect,
u32 src_layer, u32 src_level,
const MathUtil::Rectangle<int>& dst_rect) override;
void CopyToTexture(const MathUtil::Rectangle<int>& src_rect, AbstractTexture* dst,
const MathUtil::Rectangle<int>& dst_rect, u32 dst_layer,
u32 dst_level) override;
bool Map() override;
void Unmap() override;
void Flush() override;
// This overload is provided for compatibility as we dropped StagingTexture2D.
// For now, FramebufferManager relies on them. But we can drop it once we move that to common.
void CopyFromTexture(Texture2D* src, const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect);
static std::unique_ptr<VKStagingTexture> Create(StagingTextureType type,
const TextureConfig& config);
private:
VKStagingTexture(StagingTextureType type, const TextureConfig& config,
std::unique_ptr<StagingBuffer> buffer);
std::unique_ptr<StagingBuffer> m_staging_buffer;
VkFence m_flush_fence = VK_NULL_HANDLE;
};
} // namespace Vulkan