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