libretro-dolphin/Source/Core/VideoCommon/AbstractTexture.h
Stenzek 06daf58032 FramebufferManager: Correctly handle read back D24S8 textures
Needed for the Adreno/Vulkan workaround, and if we ever switch to a D24
texture for the depth buffer w/ unrestricted depth range.
2019-07-31 15:33:28 +10:00

58 lines
2.5 KiB
C++

// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <string>
#include "Common/CommonTypes.h"
#include "Common/MathUtil.h"
#include "VideoCommon/TextureConfig.h"
class AbstractTexture
{
public:
explicit AbstractTexture(const TextureConfig& c);
virtual ~AbstractTexture() = default;
virtual void CopyRectangleFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect,
u32 dst_layer, u32 dst_level) = 0;
virtual void ResolveFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& rect,
u32 layer, u32 level) = 0;
virtual void Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer,
size_t buffer_size) = 0;
// Hints to the backend that we have finished rendering to this texture, and it will be used
// as a shader resource and sampled. For Vulkan, this transitions the image layout.
virtual void FinishedRendering();
u32 GetWidth() const { return m_config.width; }
u32 GetHeight() const { return m_config.height; }
u32 GetLevels() const { return m_config.levels; }
u32 GetLayers() const { return m_config.layers; }
u32 GetSamples() const { return m_config.samples; }
AbstractTextureFormat GetFormat() const { return m_config.format; }
MathUtil::Rectangle<int> GetRect() const { return m_config.GetRect(); }
MathUtil::Rectangle<int> GetMipRect(u32 level) const { return m_config.GetMipRect(level); }
bool IsMultisampled() const { return m_config.IsMultisampled(); }
bool Save(const std::string& filename, unsigned int level);
static bool IsCompressedFormat(AbstractTextureFormat format);
static bool IsDepthFormat(AbstractTextureFormat format);
static bool IsStencilFormat(AbstractTextureFormat format);
static bool IsCompatibleDepthAndColorFormats(AbstractTextureFormat depth_format,
AbstractTextureFormat color_format);
static u32 CalculateStrideForFormat(AbstractTextureFormat format, u32 row_length);
static u32 GetTexelSizeForFormat(AbstractTextureFormat format);
static u32 GetBlockSizeForFormat(AbstractTextureFormat format);
const TextureConfig& GetConfig() const;
protected:
const TextureConfig m_config;
};