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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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11
Source/Core/VideoCommon/TextureConfig.h
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@ -21,6 +21,13 @@ enum class AbstractTextureFormat : u32
Undefined
};
enum class StagingTextureType
{
Readback, // Optimize for CPU reads, GPU writes, no CPU writes
Upload, // Optimize for CPU writes, GPU reads, no CPU reads
Mutable // Optimize for CPU reads, GPU writes, allow slow CPU reads
};
struct TextureConfig
{
constexpr TextureConfig() = default;
@ -32,7 +39,11 @@ struct TextureConfig
}
bool operator==(const TextureConfig& o) const;
bool operator!=(const TextureConfig& o) const;
MathUtil::Rectangle<int> GetRect() const;
MathUtil::Rectangle<int> GetMipRect(u32 level) const;
size_t GetStride() const;
size_t GetMipStride(u32 level) const;
u32 width = 0;
u32 height = 0;