58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
// Copyright 2008 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "VideoCommon/TextureDecoder.h"
|
|
|
|
enum class APIType;
|
|
|
|
namespace TextureConversionShader
|
|
{
|
|
u16 GetEncodedSampleCount(u32 format);
|
|
|
|
const char* GenerateEncodingShader(const EFBCopyFormat& format, APIType ApiType);
|
|
|
|
// View format of the input data to the texture decoding shader.
|
|
enum BufferFormat
|
|
{
|
|
BUFFER_FORMAT_R8_UINT,
|
|
BUFFER_FORMAT_R16_UINT,
|
|
BUFFER_FORMAT_R32G32_UINT,
|
|
BUFFER_FORMAT_COUNT
|
|
};
|
|
|
|
// Information required to compile and dispatch a texture decoding shader.
|
|
struct DecodingShaderInfo
|
|
{
|
|
BufferFormat buffer_format;
|
|
u32 palette_size;
|
|
u32 group_size_x;
|
|
u32 group_size_y;
|
|
bool group_flatten;
|
|
const char* shader_body;
|
|
};
|
|
|
|
// Obtain shader information for the specified texture format.
|
|
// If this format does not have a shader written for it, returns nullptr.
|
|
const DecodingShaderInfo* GetDecodingShaderInfo(TextureFormat format);
|
|
|
|
// Determine how many bytes there are in each element of the texel buffer.
|
|
// Needed for alignment and stride calculations.
|
|
u32 GetBytesPerBufferElement(BufferFormat buffer_format);
|
|
|
|
// Determine how many thread groups should be dispatched for an image of the specified width/height.
|
|
// First is the number of X groups, second is the number of Y groups, Z is always one.
|
|
std::pair<u32, u32> GetDispatchCount(const DecodingShaderInfo* info, u32 width, u32 height);
|
|
|
|
// Returns the GLSL string containing the texture decoding shader for the specified format.
|
|
std::string GenerateDecodingShader(TextureFormat format, TlutFormat palette_format,
|
|
APIType api_type);
|
|
|
|
} // namespace TextureConversionShader
|