irrlicht/tests/mrt.cpp

85 lines
3.0 KiB
C++

// Copyright (C) 2008-2009 Christian Stehno, Colin MacDonald
// No rights reserved: this software is in the public domain.
#include "testUtils.h"
using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
using namespace io;
using namespace gui;
//! Tests rendering MRTs
static bool testWithDriver(E_DRIVER_TYPE driverType)
{
IrrlichtDevice *device = createDevice (driverType, core::dimension2d < u32 > (220, 80));
if (!device)
return true; // No error if device does not exist
if (device->getVideoDriver()->getDriverAttributes().getAttributeAsInt("MaxMultipleRenderTargets") < 3)
return true;
IVideoDriver* driver = device->getVideoDriver();
const char* const ps1="struct PS_INPUT\n {\n float4 Position : POSITION0;\n };\n\n struct PS_OUTPUT\n {\n float4 Color : COLOR0;\n float4 Normal : COLOR1;\n float4 Depth : COLOR2;\n };\n PS_OUTPUT pixelMain( PS_INPUT Input )\n {\n PS_OUTPUT Output;\n Output.Color = float4(1.0,1.0,1.0,1.0);\n Output.Normal = float4(0.0,1.0,0.0,1.0);\n Output.Depth = float4(0.0,0.0,1.0,1.0);\n return Output;\n }";
const char* const ps2="void main(void)\n {\n gl_FragData[0] = vec4(1.0,1.0,1.0,1.0);\n gl_FragData[1] = vec4(0.0,1.0,0.0,1.0);\n gl_FragData[2] = vec4(0.0,0.0,1.0,1.0);\n }";
// variable
ITexture* gbuffer[3];
array<IRenderTarget> gbufferlist;
core::dimension2du texsize(64,64);
// allocate buffer
gbuffer[0] = driver->addRenderTargetTexture(texsize, "rta", ECF_A8R8G8B8);
gbuffer[1] = driver->addRenderTargetTexture(texsize, "rtb", ECF_A8R8G8B8);
gbuffer[2] = driver->addRenderTargetTexture(texsize, "rtc", ECF_A8R8G8B8);
for( u32 i = 0; i < 3; ++i )
gbufferlist.push_back( IRenderTarget(gbuffer[i]) );
video::IGPUProgrammingServices* gpu = driver->getGPUProgrammingServices();
s32 newMaterialType = 0;
if (gpu)
{
newMaterialType = gpu->addHighLevelShaderMaterial(
0, "vertexMain", video::EVST_VS_1_1,
driverType==video::EDT_DIRECT3D9?ps1:ps2, "pixelMain", video::EPST_PS_1_1);
}
ISceneNode* node = device->getSceneManager()->addCubeSceneNode();
node->setMaterialType((video::E_MATERIAL_TYPE)newMaterialType);
device->getSceneManager()->addCameraSceneNode(0, core::vector3df(0,0,-10));
driver->beginScene (true, true, video::SColor (255, 200, 200, 200));
// render
driver->setRenderTarget( gbufferlist );
device->getSceneManager()->drawAll();
driver->setRenderTarget(0);
// draw debug rt
driver->draw2DImage(gbuffer[0], core::position2d<s32>(0,0));
driver->draw2DImage(gbuffer[1], core::position2d<s32>(64,0));
driver->draw2DImage(gbuffer[2], core::position2d<s32>(128,0));
driver->endScene();
bool result = takeScreenshotAndCompareAgainstReference(driver, "-mrt.png");
device->closeDevice();
device->run();
device->drop();
return result;
}
bool mrt(void)
{
bool passed = true;
passed &= testWithDriver(EDT_OPENGL);
passed &= testWithDriver(EDT_DIRECT3D9);
return passed;
}