dolphin/Source/Core/VideoCommon/LightingShaderGen.h

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// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include "Common/CommonTypes.h"
class ShaderCode;
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#define LIGHT_COL "%s[%d].color.%s"
#define LIGHT_COL_PARAMS(index, swizzle) (I_LIGHTS), (index), (swizzle)
#define LIGHT_COSATT "%s[%d].cosatt"
#define LIGHT_COSATT_PARAMS(index) (I_LIGHTS), (index)
#define LIGHT_DISTATT "%s[%d].distatt"
#define LIGHT_DISTATT_PARAMS(index) (I_LIGHTS), (index)
#define LIGHT_POS "%s[%d].pos"
#define LIGHT_POS_PARAMS(index) (I_LIGHTS), (index)
#define LIGHT_DIR "%s[%d].dir"
#define LIGHT_DIR_PARAMS(index) (I_LIGHTS), (index)
/**
* Common uid data used for shader generators that use lighting calculations.
*/
struct LightingUidData
{
u32 matsource : 4; // 4x1 bit
u32 enablelighting : 4; // 4x1 bit
u32 ambsource : 4; // 4x1 bit
u32 diffusefunc : 8; // 4x2 bits
u32 attnfunc : 8; // 4x2 bits
u32 light_mask : 32; // 4x8 bits
};
static const char s_lighting_struct[] = "struct Light {\n"
"\tint4 color;\n"
"\tfloat4 cosatt;\n"
"\tfloat4 distatt;\n"
"\tfloat4 pos;\n"
"\tfloat4 dir;\n"
"};\n";
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void GenerateLightingShaderCode(ShaderCode& object, const LightingUidData& uid_data, int components,
const char* inColorName, const char* dest);
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void GetLightingShaderUid(LightingUidData& uid_data);