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