mirror of https://github.com/minetest/irrlicht.git
133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
// Copyright (C) 2014 Patryk Nadrowski
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "COGLES2NormalMapRenderer.h"
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#ifdef _IRR_COMPILE_WITH_OGLES2_
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#include "IMaterialRendererServices.h"
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#include "IGPUProgrammingServices.h"
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#include "IShaderConstantSetCallBack.h"
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#include "IVideoDriver.h"
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#include "SLight.h"
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#include "os.h"
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namespace irr
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{
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namespace video
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{
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// EMT_NORMAL_MAP_SOLID + EMT_NORMAL_MAP_TRANSPARENT_ADD_COLOR + EMT_NORMAL_MAP_TRANSPARENT_VERTEX_ALPHA
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COGLES2MaterialNormalMapCB::COGLES2MaterialNormalMapCB() :
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FirstUpdate(true), WVPMatrixID(-1), WVMatrixID(-1), LightPositionID(-1), LightColorID(-1), TextureUnit0ID(-1), TextureUnit1ID(-1),
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FogEnableID(-1), FogTypeID(-1), FogColorID(-1), FogStartID(-1), FogEndID(-1), FogDensityID(-1), TextureUnit0(0), TextureUnit1(1),
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FogEnable(0), FogType(1), FogColor(SColorf(0.f, 0.f, 0.f, 1.f)), FogStart(0.f), FogEnd(0.f), FogDensity(0.f)
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{
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for (u32 i = 0; i < 2; ++i)
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{
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LightPosition[i] = core::vector3df(0.f, 0.f, 0.f);
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LightColor[i] = SColorf(0.f, 0.f, 0.f, 1.f);
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}
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}
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void COGLES2MaterialNormalMapCB::OnSetMaterial(const SMaterial& material)
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{
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if (material.FogEnable)
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FogEnable = 1;
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else
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FogEnable = 0;
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}
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void COGLES2MaterialNormalMapCB::OnSetConstants(IMaterialRendererServices* services, s32 userData)
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{
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IVideoDriver* driver = services->getVideoDriver();
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if (FirstUpdate)
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{
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WVPMatrixID = services->getVertexShaderConstantID("uWVPMatrix");
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WVMatrixID = services->getVertexShaderConstantID("uWVMatrix");
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LightPositionID = services->getVertexShaderConstantID("uLightPosition");
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LightColorID = services->getVertexShaderConstantID("uLightColor");
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TextureUnit0ID = services->getVertexShaderConstantID("uTextureUnit0");
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TextureUnit1ID = services->getVertexShaderConstantID("uTextureUnit1");
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FogEnableID = services->getVertexShaderConstantID("uFogEnable");
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FogTypeID = services->getVertexShaderConstantID("uFogType");
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FogColorID = services->getVertexShaderConstantID("uFogColor");
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FogStartID = services->getVertexShaderConstantID("uFogStart");
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FogEndID = services->getVertexShaderConstantID("uFogEnd");
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FogDensityID = services->getVertexShaderConstantID("uFogDensity");
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FirstUpdate = false;
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}
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const core::matrix4 W = driver->getTransform(ETS_WORLD);
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const core::matrix4 V = driver->getTransform(ETS_VIEW);
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const core::matrix4 P = driver->getTransform(ETS_PROJECTION);
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core::matrix4 Matrix = P * V * W;
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services->setPixelShaderConstant(WVPMatrixID, Matrix.pointer(), 16);
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Matrix = V * W;
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services->setPixelShaderConstant(WVMatrixID, Matrix.pointer(), 16);
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Matrix = W;
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Matrix.makeInverse();
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const u32 LightCount = driver->getDynamicLightCount();
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for (u32 i = 0; i < 2; ++i)
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{
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SLight CurrentLight;
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if (i < LightCount)
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CurrentLight = driver->getDynamicLight(i);
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else
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{
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CurrentLight.DiffuseColor.set(0.f, 0.f, 0.f);
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CurrentLight.Radius = 1.f;
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}
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CurrentLight.DiffuseColor.a = 1.f / (CurrentLight.Radius*CurrentLight.Radius);
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Matrix.transformVect(CurrentLight.Position);
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LightPosition[i] = CurrentLight.Position;
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LightColor[i] = CurrentLight.DiffuseColor;
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}
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services->setPixelShaderConstant(LightPositionID, reinterpret_cast<f32*>(LightPosition), 6);
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services->setPixelShaderConstant(LightColorID, reinterpret_cast<f32*>(LightColor), 8);
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services->setPixelShaderConstant(TextureUnit0ID, &TextureUnit0, 1);
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services->setPixelShaderConstant(TextureUnit1ID, &TextureUnit1, 1);
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services->setPixelShaderConstant(FogEnableID, &FogEnable, 1);
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if (FogEnable)
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{
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SColor TempColor(0);
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E_FOG_TYPE TempType = EFT_FOG_LINEAR;
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bool TempPerFragment = false;
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bool TempRange = false;
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driver->getFog(TempColor, TempType, FogStart, FogEnd, FogDensity, TempPerFragment, TempRange);
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FogType = (s32)TempType;
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FogColor = SColorf(TempColor);
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services->setPixelShaderConstant(FogTypeID, &FogType, 1);
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services->setPixelShaderConstant(FogColorID, reinterpret_cast<f32*>(&FogColor), 4);
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services->setPixelShaderConstant(FogStartID, &FogStart, 1);
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services->setPixelShaderConstant(FogEndID, &FogEnd, 1);
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services->setPixelShaderConstant(FogDensityID, &FogDensity, 1);
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}
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}
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}
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}
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#endif
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