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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
commit f43d85921d
33 changed files with 1220 additions and 12 deletions
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22
Source/Core/VideoCommon/TextureConfig.cpp
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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "VideoCommon/TextureConfig.h"
#include "VideoCommon/AbstractTexture.h"
#include <tuple>
@ -12,7 +13,28 @@ bool TextureConfig::operator==(const TextureConfig& o) const
std::tie(o.width, o.height, o.levels, o.layers, o.format, o.rendertarget);
}
bool TextureConfig::operator!=(const TextureConfig& o) const
{
return !operator==(o);
}
MathUtil::Rectangle<int> TextureConfig::GetRect() const
{
return {0, 0, static_cast<int>(width), static_cast<int>(height)};
}
MathUtil::Rectangle<int> TextureConfig::GetMipRect(u32 level) const
{
return {0, 0, static_cast<int>(std::max(width >> level, 1u)),
static_cast<int>(std::max(height >> level, 1u))};
}
size_t TextureConfig::GetStride() const
{
return AbstractTexture::CalculateStrideForFormat(format, width);
}
size_t TextureConfig::GetMipStride(u32 level) const
{
return AbstractTexture::CalculateStrideForFormat(format, std::max(width >> level, 1u));
}