dolphin/Source/Core/VideoCommon/TextureConfig.h

73 lines
1.8 KiB
C++

// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <functional>
#include "Common/CommonTypes.h"
#include "Common/MathUtil.h"
enum class AbstractTextureFormat : u32
{
RGBA8,
BGRA8,
DXT1,
DXT3,
DXT5,
BPTC,
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;
constexpr TextureConfig(u32 width_, u32 height_, u32 levels_, u32 layers_,
AbstractTextureFormat format_, bool rendertarget_)
: width(width_), height(height_), levels(levels_), layers(layers_), format(format_),
rendertarget(rendertarget_)
{
}
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;
u32 levels = 1;
u32 layers = 1;
AbstractTextureFormat format = AbstractTextureFormat::RGBA8;
bool rendertarget = false;
};
namespace std
{
template <>
struct hash<TextureConfig>
{
using argument_type = TextureConfig;
using result_type = size_t;
result_type operator()(const argument_type& c) const noexcept
{
const u64 id = static_cast<u64>(c.rendertarget) << 63 | static_cast<u64>(c.format) << 50 |
static_cast<u64>(c.layers) << 48 | static_cast<u64>(c.levels) << 32 |
static_cast<u64>(c.height) << 16 | static_cast<u64>(c.width);
return std::hash<u64>{}(id);
}
};
} // namespace std