irrlicht/source/Irrlicht/OpenGL/Renderer2D.cpp

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// Copyright (C) 2014 Patryk Nadrowski
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in Irrlicht.h
#include "Renderer2D.h"
#include "IGPUProgrammingServices.h"
#include "os.h"
#include "Driver.h"
#include "COpenGLCoreFeature.h"
#include "COpenGLCoreTexture.h"
#include "COpenGLCoreCacheHandler.h"
namespace irr
{
namespace video
{
COpenGL3Renderer2D::COpenGL3Renderer2D(const c8 *vertexShaderProgram, const c8 *pixelShaderProgram, COpenGL3DriverBase *driver, bool withTexture) :
COpenGL3MaterialRenderer(driver, 0, EMT_SOLID),
WithTexture(withTexture)
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{
#ifdef _DEBUG
setDebugName("Renderer2D");
#endif
int Temp = 0;
init(Temp, vertexShaderProgram, pixelShaderProgram, false);
COpenGL3CacheHandler *cacheHandler = Driver->getCacheHandler();
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cacheHandler->setProgram(Program);
// These states don't change later.
ThicknessID = getPixelShaderConstantID("uThickness");
if (WithTexture) {
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TextureUsageID = getPixelShaderConstantID("uTextureUsage");
s32 TextureUnitID = getPixelShaderConstantID("uTextureUnit");
s32 TextureUnit = 0;
setPixelShaderConstant(TextureUnitID, &TextureUnit, 1);
s32 TextureUsage = 0;
setPixelShaderConstant(TextureUsageID, &TextureUsage, 1);
}
cacheHandler->setProgram(0);
}
COpenGL3Renderer2D::~COpenGL3Renderer2D()
{
}
void COpenGL3Renderer2D::OnSetMaterial(const video::SMaterial &material,
const video::SMaterial &lastMaterial,
bool resetAllRenderstates,
video::IMaterialRendererServices *services)
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{
Driver->getCacheHandler()->setProgram(Program);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
f32 Thickness = (material.Thickness > 0.f) ? material.Thickness : 1.f;
setPixelShaderConstant(ThicknessID, &Thickness, 1);
if (WithTexture) {
s32 TextureUsage = material.TextureLayers[0].Texture ? 1 : 0;
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setPixelShaderConstant(TextureUsageID, &TextureUsage, 1);
}
}
bool COpenGL3Renderer2D::OnRender(IMaterialRendererServices *service, E_VERTEX_TYPE vtxtype)
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{
return true;
}
}
}