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// 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/VulkanLoader.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/VideoCommon.h"
namespace Vulkan
{
class StagingTexture2D;
class Texture2D;
class TextureEncoder
{
public:
TextureEncoder();
~TextureEncoder();
VkRenderPass GetEncodingRenderPass() const { return m_encoding_render_pass; }
Texture2D* GetEncodingTexture() const { return m_encoding_texture.get(); }
VkFramebuffer GetEncodingTextureFramebuffer() const { return m_encoding_texture_framebuffer; }
StagingTexture2D* GetDownloadTexture() const { return m_download_texture.get(); }
bool Initialize();
// Uses an encoding shader to copy src_texture to dest_ptr.
// Assumes that no render pass is currently in progress.
// WARNING: Executes the current command buffer.
void EncodeTextureToRam(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:
// From OGL.
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;
bool CompileShaders();
bool CreateEncodingRenderPass();
bool CreateEncodingTexture();
bool CreateDownloadTexture();
std::array<VkShaderModule, NUM_TEXTURE_ENCODING_SHADERS> m_texture_encoding_shaders = {};
VkRenderPass m_encoding_render_pass = VK_NULL_HANDLE;
std::unique_ptr<Texture2D> m_encoding_texture;
VkFramebuffer m_encoding_texture_framebuffer = VK_NULL_HANDLE;
std::unique_ptr<StagingTexture2D> m_download_texture;
};
} // namespace Vulkan
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