dolphin/Source/Core/VideoBackends/Vulkan/TextureConverter.h

79 lines
2.9 KiB
C++

// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <memory>
#include "Common/CommonTypes.h"
#include "VideoBackends/Vulkan/StreamBuffer.h"
#include "VideoBackends/Vulkan/TextureCache.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/TextureDecoder.h"
#include "VideoCommon/VideoCommon.h"
namespace Vulkan
{
class StagingTexture2D;
class Texture2D;
class TextureConverter
{
public:
TextureConverter();
~TextureConverter();
VkRenderPass GetEncodingRenderPass() const { return m_encoding_render_pass; }
Texture2D* GetEncodingTexture() const { return m_encoding_render_texture.get(); }
VkFramebuffer GetEncodingTextureFramebuffer() const { return m_encoding_render_framebuffer; }
StagingTexture2D* GetDownloadTexture() const { return m_encoding_download_texture.get(); }
bool Initialize();
// Applies palette to dst_entry, using indices from src_entry.
void ConvertTexture(TextureCache::TCacheEntry* dst_entry, TextureCache::TCacheEntry* src_entry,
VkRenderPass render_pass, const void* palette, TlutFormat palette_format);
// Uses an encoding shader to copy src_texture to dest_ptr.
// NOTE: Executes the current command buffer.
void EncodeTextureToMemory(VkImageView src_texture, u8* dest_ptr, u32 format, u32 native_width,
u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
PEControl::PixelFormat src_format, bool is_intensity,
int scale_by_half, const EFBRectangle& source);
private:
static const u32 NUM_TEXTURE_ENCODING_SHADERS = 64;
static const u32 ENCODING_TEXTURE_WIDTH = EFB_WIDTH * 4;
static const u32 ENCODING_TEXTURE_HEIGHT = 1024;
static const VkFormat ENCODING_TEXTURE_FORMAT = VK_FORMAT_B8G8R8A8_UNORM;
static const size_t NUM_PALETTE_CONVERSION_SHADERS = 3;
bool CreateTexelBuffer();
VkBufferView CreateTexelBufferView(VkFormat format) const;
bool CompilePaletteConversionShaders();
bool CompileEncodingShaders();
bool CreateEncodingRenderPass();
bool CreateEncodingTexture();
bool CreateEncodingDownloadTexture();
// Shared between conversion types
std::unique_ptr<StreamBuffer> m_texel_buffer;
VkBufferView m_texel_buffer_view_r16_uint = VK_NULL_HANDLE;
size_t m_texel_buffer_size = 0;
// Palette conversion - taking an indexed texture and applying palette
std::array<VkShaderModule, NUM_PALETTE_CONVERSION_SHADERS> m_palette_conversion_shaders = {};
// Texture encoding - RGBA8->GX format in memory
std::array<VkShaderModule, NUM_TEXTURE_ENCODING_SHADERS> m_encoding_shaders = {};
VkRenderPass m_encoding_render_pass = VK_NULL_HANDLE;
std::unique_ptr<Texture2D> m_encoding_render_texture;
VkFramebuffer m_encoding_render_framebuffer = VK_NULL_HANDLE;
std::unique_ptr<StagingTexture2D> m_encoding_download_texture;
};
} // namespace Vulkan