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// Copyright (C) 2013 Patryk Nadrowski
// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
// OpenGL ES driver implemented by Christian Stehno and first OpenGL ES 2.0
// driver implemented by Amundis.
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in Irrlicht.h
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_OGLES2_
#include "COGLES2Renderer2D.h"
#include "IGPUProgrammingServices.h"
#include "os.h"
#include "COGLES2Driver.h"
namespace irr
{
namespace video
{
//! Constructor
COGLES2Renderer2D::COGLES2Renderer2D(const c8* vertexShaderProgram, const c8* pixelShaderProgram, COGLES2Driver* driver)
: COGLES2MaterialRenderer(driver, 0, EMT_SOLID), RenderTargetSize(core::dimension2d<u32>(0,0)),
Matrix(core::matrix4::EM4CONST_NOTHING), Texture(0)
{
#ifdef _DEBUG
setDebugName("COGLES2Renderer2D");
#endif
int Temp = 0;
init(Temp, vertexShaderProgram, pixelShaderProgram, false);
Driver->getBridgeCalls()->setProgram(Program);
// These states doesn't change later.
MatrixID = getPixelShaderConstantID("uOrthoMatrix");
UseTextureID = getPixelShaderConstantID("uUseTexture");
s32 TextureUnitID = getPixelShaderConstantID("uTextureUnit");
int TextureUnit = 0;
setPixelShaderConstant(TextureUnitID, &TextureUnit, 1);
Driver->getBridgeCalls()->setProgram(0);
}
//! Destructor
COGLES2Renderer2D::~COGLES2Renderer2D()
{
}
void COGLES2Renderer2D::OnSetMaterial(const video::SMaterial& material,
const video::SMaterial& lastMaterial,
bool resetAllRenderstates,
video::IMaterialRendererServices* services)
{
Driver->getBridgeCalls()->setProgram(Program);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
}
bool COGLES2Renderer2D::OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype)
{
Driver->setTextureRenderStates(Driver->getCurrentMaterial(), false);
const core::dimension2d<u32>& renderTargetSize = Driver->getCurrentRenderTargetSize();
if (RenderTargetSize != renderTargetSize)
{
Matrix.buildProjectionMatrixOrthoLH(f32(renderTargetSize.Width), f32(-(s32)(renderTargetSize.Height)), -1.0f, 1.0f);
Matrix.setTranslation(core::vector3df(-1,1,0));
setPixelShaderConstant(MatrixID, Matrix.pointer(), 16);
RenderTargetSize = renderTargetSize;
}
int UseTexture = Texture ? 1 : 0;
setPixelShaderConstant(UseTextureID, &UseTexture, 1);
return true;
}
void COGLES2Renderer2D::setTexture(const ITexture* texture)
{
Texture = texture;
}
} // end namespace video
} // end namespace irr
#endif
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