1963 lines
48 KiB
C++
1963 lines
48 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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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 "CNullDriver.h"
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#include "os.h"
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#include "CImage.h"
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#include "CAttributes.h"
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#include "IReadFile.h"
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#include "IWriteFile.h"
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#include "IImageLoader.h"
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#include "IImageWriter.h"
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#include "IMaterialRenderer.h"
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#include "IAnimatedMeshSceneNode.h"
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#include "CMeshManipulator.h"
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#include "CColorConverter.h"
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#include "IReferenceCounted.h"
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#include "IRenderTarget.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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//! creates a loader which is able to load windows bitmaps
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IImageLoader* createImageLoaderBMP();
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//! creates a loader which is able to load jpeg images
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IImageLoader* createImageLoaderJPG();
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//! creates a loader which is able to load targa images
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IImageLoader* createImageLoaderTGA();
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//! creates a loader which is able to load png images
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IImageLoader* createImageLoaderPNG();
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//! creates a writer which is able to save jpg images
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IImageWriter* createImageWriterJPG();
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//! creates a writer which is able to save png images
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IImageWriter* createImageWriterPNG();
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namespace {
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//! no-op material renderer
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class CDummyMaterialRenderer : public IMaterialRenderer {
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public:
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CDummyMaterialRenderer() {}
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};
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}
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//! constructor
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CNullDriver::CNullDriver(io::IFileSystem* io, const core::dimension2d<u32>& screenSize)
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: SharedRenderTarget(0), CurrentRenderTarget(0), CurrentRenderTargetSize(0, 0), FileSystem(io), MeshManipulator(0),
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ViewPort(0, 0, 0, 0), ScreenSize(screenSize), PrimitivesDrawn(0), MinVertexCountForVBO(500),
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TextureCreationFlags(0), OverrideMaterial2DEnabled(false), AllowZWriteOnTransparent(false)
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{
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#ifdef _DEBUG
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setDebugName("CNullDriver");
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#endif
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DriverAttributes = new io::CAttributes();
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DriverAttributes->addInt("MaxTextures", MATERIAL_MAX_TEXTURES);
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DriverAttributes->addInt("MaxSupportedTextures", MATERIAL_MAX_TEXTURES);
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DriverAttributes->addInt("MaxAnisotropy", 1);
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// DriverAttributes->addInt("MaxUserClipPlanes", 0);
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// DriverAttributes->addInt("MaxAuxBuffers", 0);
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DriverAttributes->addInt("MaxMultipleRenderTargets", 1);
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DriverAttributes->addInt("MaxIndices", -1);
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DriverAttributes->addInt("MaxTextureSize", -1);
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// DriverAttributes->addInt("MaxGeometryVerticesOut", 0);
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// DriverAttributes->addFloat("MaxTextureLODBias", 0.f);
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DriverAttributes->addInt("Version", 1);
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// DriverAttributes->addInt("ShaderLanguageVersion", 0);
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// DriverAttributes->addInt("AntiAlias", 0);
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setFog();
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setTextureCreationFlag(ETCF_ALWAYS_32_BIT, true);
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setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, true);
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setTextureCreationFlag(ETCF_AUTO_GENERATE_MIP_MAPS, true);
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setTextureCreationFlag(ETCF_ALLOW_MEMORY_COPY, true);
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ViewPort = core::rect<s32>(core::position2d<s32>(0,0), core::dimension2di(screenSize));
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// create manipulator
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MeshManipulator = new scene::CMeshManipulator();
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if (FileSystem)
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FileSystem->grab();
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// create surface loaders and writers
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SurfaceLoader.push_back(video::createImageLoaderTGA());
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SurfaceLoader.push_back(video::createImageLoaderPNG());
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SurfaceLoader.push_back(video::createImageLoaderJPG());
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SurfaceLoader.push_back(video::createImageLoaderBMP());
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SurfaceWriter.push_back(video::createImageWriterJPG());
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SurfaceWriter.push_back(video::createImageWriterPNG());
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// set ExposedData to 0
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memset((void*)&ExposedData, 0, sizeof(ExposedData));
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for (u32 i=0; i<video::EVDF_COUNT; ++i)
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FeatureEnabled[i]=true;
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InitMaterial2D.AntiAliasing = video::EAAM_OFF;
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InitMaterial2D.Lighting = false;
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InitMaterial2D.ZWriteEnable = video::EZW_OFF;
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InitMaterial2D.ZBuffer = video::ECFN_DISABLED;
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InitMaterial2D.UseMipMaps = false;
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InitMaterial2D.forEachTexture([] (auto &tex) {
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// Using ETMINF_LINEAR_MIPMAP_NEAREST (bilinear) for 2D graphics looks
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// much better and doesn't have any downsides (e.g. regarding pixel art).
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tex.MinFilter = video::ETMINF_LINEAR_MIPMAP_NEAREST;
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tex.MagFilter = video::ETMAGF_NEAREST;
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tex.TextureWrapU = video::ETC_REPEAT;
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tex.TextureWrapV = video::ETC_REPEAT;
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tex.TextureWrapW = video::ETC_REPEAT;
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});
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OverrideMaterial2D = InitMaterial2D;
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}
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//! destructor
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CNullDriver::~CNullDriver()
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{
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if (DriverAttributes)
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DriverAttributes->drop();
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if (FileSystem)
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FileSystem->drop();
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if (MeshManipulator)
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MeshManipulator->drop();
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removeAllRenderTargets();
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deleteAllTextures();
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u32 i;
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for (i=0; i<SurfaceLoader.size(); ++i)
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SurfaceLoader[i]->drop();
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for (i=0; i<SurfaceWriter.size(); ++i)
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SurfaceWriter[i]->drop();
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// delete material renderers
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deleteMaterialRenders();
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// delete hardware mesh buffers
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removeAllHardwareBuffers();
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}
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//! Adds an external surface loader to the engine.
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void CNullDriver::addExternalImageLoader(IImageLoader* loader)
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{
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if (!loader)
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return;
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loader->grab();
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SurfaceLoader.push_back(loader);
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}
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//! Adds an external surface writer to the engine.
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void CNullDriver::addExternalImageWriter(IImageWriter* writer)
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{
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if (!writer)
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return;
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writer->grab();
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SurfaceWriter.push_back(writer);
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}
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//! Retrieve the number of image loaders
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u32 CNullDriver::getImageLoaderCount() const
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{
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return SurfaceLoader.size();
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}
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//! Retrieve the given image loader
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IImageLoader* CNullDriver::getImageLoader(u32 n)
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{
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if (n < SurfaceLoader.size())
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return SurfaceLoader[n];
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return 0;
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}
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//! Retrieve the number of image writers
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u32 CNullDriver::getImageWriterCount() const
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{
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return SurfaceWriter.size();
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}
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//! Retrieve the given image writer
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IImageWriter* CNullDriver::getImageWriter(u32 n)
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{
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if (n < SurfaceWriter.size())
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return SurfaceWriter[n];
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return 0;
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}
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//! deletes all textures
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void CNullDriver::deleteAllTextures()
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{
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// we need to remove previously set textures which might otherwise be kept in the
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// last set material member. Could be optimized to reduce state changes.
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setMaterial(SMaterial());
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// reset render targets.
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for (u32 i=0; i<RenderTargets.size(); ++i)
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RenderTargets[i]->setTexture(0, 0);
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// remove textures.
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for (u32 i=0; i<Textures.size(); ++i)
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Textures[i].Surface->drop();
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Textures.clear();
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SharedDepthTextures.clear();
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}
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bool CNullDriver::beginScene(u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil, const SExposedVideoData& videoData, core::rect<s32>* sourceRect)
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{
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PrimitivesDrawn = 0;
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return true;
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}
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bool CNullDriver::endScene()
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{
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FPSCounter.registerFrame(os::Timer::getRealTime(), PrimitivesDrawn);
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updateAllHardwareBuffers();
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updateAllOcclusionQueries();
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return true;
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}
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//! Disable a feature of the driver.
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void CNullDriver::disableFeature(E_VIDEO_DRIVER_FEATURE feature, bool flag)
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{
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FeatureEnabled[feature]=!flag;
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}
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//! queries the features of the driver, returns true if feature is available
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bool CNullDriver::queryFeature(E_VIDEO_DRIVER_FEATURE feature) const
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{
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return false;
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}
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//! Get attributes of the actual video driver
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const io::IAttributes& CNullDriver::getDriverAttributes() const
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{
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return *DriverAttributes;
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}
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//! sets transformation
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void CNullDriver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat)
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{
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}
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//! Returns the transformation set by setTransform
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const core::matrix4& CNullDriver::getTransform(E_TRANSFORMATION_STATE state) const
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{
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return TransformationMatrix;
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}
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//! sets a material
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void CNullDriver::setMaterial(const SMaterial& material)
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{
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}
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//! Removes a texture from the texture cache and deletes it, freeing lot of
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//! memory.
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void CNullDriver::removeTexture(ITexture* texture)
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{
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if (!texture)
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return;
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SSurface s;
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s.Surface = texture;
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s32 last;
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s32 first = Textures.binary_search_multi(s, last);
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if (first == -1)
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return;
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for (u32 i = first; i <= (u32)last; i++) {
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if (Textures[i].Surface == texture) {
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texture->drop();
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Textures.erase(i);
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return;
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}
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}
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}
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//! Removes all texture from the texture cache and deletes them, freeing lot of
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//! memory.
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void CNullDriver::removeAllTextures()
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{
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setMaterial ( SMaterial() );
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deleteAllTextures();
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}
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//! Returns amount of textures currently loaded
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u32 CNullDriver::getTextureCount() const
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{
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return Textures.size();
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}
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ITexture* CNullDriver::addTexture(const core::dimension2d<u32>& size, const io::path& name, ECOLOR_FORMAT format)
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{
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if (0 == name.size())
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{
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os::Printer::log("Could not create ITexture, texture needs to have a non-empty name.", ELL_WARNING);
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return 0;
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}
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IImage* image = new CImage(format, size);
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ITexture* t = 0;
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if (checkImage(image))
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{
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t = createDeviceDependentTexture(name, image);
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}
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image->drop();
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if (t)
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{
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addTexture(t);
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t->drop();
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}
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return t;
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}
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ITexture* CNullDriver::addTexture(const io::path& name, IImage* image)
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{
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if (0 == name.size())
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{
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os::Printer::log("Could not create ITexture, texture needs to have a non-empty name.", ELL_WARNING);
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return 0;
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}
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if (!image)
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return 0;
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ITexture* t = 0;
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if (checkImage(image))
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{
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t = createDeviceDependentTexture(name, image);
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}
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if (t)
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{
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addTexture(t);
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t->drop();
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}
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return t;
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}
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ITexture* CNullDriver::addTextureCubemap(const io::path& name, IImage* imagePosX, IImage* imageNegX, IImage* imagePosY,
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IImage* imageNegY, IImage* imagePosZ, IImage* imageNegZ)
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{
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if (0 == name.size() || !imagePosX || !imageNegX || !imagePosY || !imageNegY || !imagePosZ || !imageNegZ)
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return 0;
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ITexture* t = 0;
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core::array<IImage*> imageArray(6);
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imageArray.push_back(imagePosX);
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imageArray.push_back(imageNegX);
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imageArray.push_back(imagePosY);
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imageArray.push_back(imageNegY);
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imageArray.push_back(imagePosZ);
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imageArray.push_back(imageNegZ);
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if (checkImage(imageArray))
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{
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t = createDeviceDependentTextureCubemap(name, imageArray);
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}
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if (t)
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{
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addTexture(t);
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t->drop();
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}
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return t;
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}
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ITexture* CNullDriver::addTextureCubemap(const irr::u32 sideLen, const io::path& name, ECOLOR_FORMAT format)
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{
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if ( 0 == sideLen )
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return 0;
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if (0 == name.size())
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{
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os::Printer::log("Could not create ITexture, texture needs to have a non-empty name.", ELL_WARNING);
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return 0;
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}
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core::array<IImage*> imageArray(6);
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for ( int i=0; i < 6; ++i )
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imageArray.push_back(new CImage(format, core::dimension2du(sideLen, sideLen)));
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ITexture* t = 0;
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if (checkImage(imageArray))
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{
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t = createDeviceDependentTextureCubemap(name, imageArray);
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if (t)
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{
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addTexture(t);
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t->drop();
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}
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}
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for ( int i=0; i < 6; ++i )
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imageArray[i]->drop();
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return t;
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}
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//! loads a Texture
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ITexture* CNullDriver::getTexture(const io::path& filename)
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{
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// Identify textures by their absolute filenames if possible.
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const io::path absolutePath = FileSystem->getAbsolutePath(filename);
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ITexture* texture = findTexture(absolutePath);
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if (texture)
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{
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texture->updateSource(ETS_FROM_CACHE);
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return texture;
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}
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// Then try the raw filename, which might be in an Archive
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texture = findTexture(filename);
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if (texture)
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{
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texture->updateSource(ETS_FROM_CACHE);
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return texture;
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}
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// Now try to open the file using the complete path.
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io::IReadFile* file = FileSystem->createAndOpenFile(absolutePath);
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if (!file)
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{
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// Try to open it using the raw filename.
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file = FileSystem->createAndOpenFile(filename);
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}
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if (file)
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{
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// Re-check name for actual archive names
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texture = findTexture(file->getFileName());
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if (texture)
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{
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texture->updateSource(ETS_FROM_CACHE);
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file->drop();
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return texture;
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}
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texture = loadTextureFromFile(file);
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file->drop();
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if (texture)
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{
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texture->updateSource(ETS_FROM_FILE);
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addTexture(texture);
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texture->drop(); // drop it because we created it, one grab too much
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}
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else
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os::Printer::log("Could not load texture", filename, ELL_ERROR);
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return texture;
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}
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else
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{
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os::Printer::log("Could not open file of texture", filename, ELL_WARNING);
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return 0;
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}
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}
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//! loads a Texture
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ITexture* CNullDriver::getTexture(io::IReadFile* file)
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{
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ITexture* texture = 0;
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if (file)
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{
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texture = findTexture(file->getFileName());
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if (texture)
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{
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texture->updateSource(ETS_FROM_CACHE);
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return texture;
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}
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texture = loadTextureFromFile(file);
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if (texture)
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{
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texture->updateSource(ETS_FROM_FILE);
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addTexture(texture);
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texture->drop(); // drop it because we created it, one grab too much
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}
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if (!texture)
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os::Printer::log("Could not load texture", file->getFileName(), ELL_WARNING);
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}
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return texture;
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}
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//! opens the file and loads it into the surface
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video::ITexture* CNullDriver::loadTextureFromFile(io::IReadFile* file, const io::path& hashName )
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{
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ITexture *texture = nullptr;
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IImage *image = createImageFromFile(file);
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if (!image)
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return nullptr;
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if (checkImage(image)) {
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texture = createDeviceDependentTexture(hashName.size() ? hashName : file->getFileName(), image);
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if (texture)
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os::Printer::log("Loaded texture", file->getFileName(), ELL_DEBUG);
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}
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image->drop();
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return texture;
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}
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//! adds a surface, not loaded or created by the Irrlicht Engine
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void CNullDriver::addTexture(video::ITexture* texture)
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{
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if (texture)
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{
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SSurface s;
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s.Surface = texture;
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texture->grab();
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Textures.push_back(s);
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// the new texture is now at the end of the texture list. when searching for
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// the next new texture, the texture array will be sorted and the index of this texture
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// will be changed.
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}
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}
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//! looks if the image is already loaded
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video::ITexture* CNullDriver::findTexture(const io::path& filename)
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{
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SSurface s;
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SDummyTexture dummy(filename, ETT_2D);
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s.Surface = &dummy;
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s32 index = Textures.binary_search(s);
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if (index != -1)
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return Textures[index].Surface;
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return 0;
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}
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|
|
ITexture* CNullDriver::createDeviceDependentTexture(const io::path& name, IImage* image)
|
|
{
|
|
SDummyTexture* dummy = new SDummyTexture(name, ETT_2D);
|
|
dummy->setSize(image->getDimension());
|
|
return dummy;
|
|
}
|
|
|
|
ITexture* CNullDriver::createDeviceDependentTextureCubemap(const io::path& name, const core::array<IImage*>& image)
|
|
{
|
|
return new SDummyTexture(name, ETT_CUBEMAP);
|
|
}
|
|
|
|
bool CNullDriver::setRenderTargetEx(IRenderTarget* target, u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool CNullDriver::setRenderTarget(ITexture* texture, u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil)
|
|
{
|
|
if (texture)
|
|
{
|
|
// create render target if require.
|
|
if (!SharedRenderTarget)
|
|
SharedRenderTarget = addRenderTarget();
|
|
|
|
ITexture* depthTexture = 0;
|
|
|
|
// try to find available depth texture with require size.
|
|
for (u32 i = 0; i < SharedDepthTextures.size(); ++i)
|
|
{
|
|
if (SharedDepthTextures[i]->getSize() == texture->getSize())
|
|
{
|
|
depthTexture = SharedDepthTextures[i];
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// create depth texture if require.
|
|
if (!depthTexture)
|
|
{
|
|
depthTexture = addRenderTargetTexture(texture->getSize(), "IRR_DEPTH_STENCIL", video::ECF_D24S8);
|
|
SharedDepthTextures.push_back(depthTexture);
|
|
}
|
|
|
|
SharedRenderTarget->setTexture(texture, depthTexture);
|
|
|
|
return setRenderTargetEx(SharedRenderTarget, clearFlag, clearColor, clearDepth, clearStencil);
|
|
}
|
|
else
|
|
{
|
|
return setRenderTargetEx(0, clearFlag, clearColor, clearDepth, clearStencil);
|
|
}
|
|
}
|
|
|
|
//! sets a viewport
|
|
void CNullDriver::setViewPort(const core::rect<s32>& area)
|
|
{
|
|
}
|
|
|
|
|
|
//! gets the area of the current viewport
|
|
const core::rect<s32>& CNullDriver::getViewPort() const
|
|
{
|
|
return ViewPort;
|
|
}
|
|
|
|
|
|
//! draws a vertex primitive list
|
|
void CNullDriver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount, const void* indexList, u32 primitiveCount, E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType)
|
|
{
|
|
if ((iType==EIT_16BIT) && (vertexCount>65536))
|
|
os::Printer::log("Too many vertices for 16bit index type, render artifacts may occur.");
|
|
PrimitivesDrawn += primitiveCount;
|
|
}
|
|
|
|
|
|
//! draws a vertex primitive list in 2d
|
|
void CNullDriver::draw2DVertexPrimitiveList(const void* vertices, u32 vertexCount, const void* indexList, u32 primitiveCount, E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType)
|
|
{
|
|
if ((iType==EIT_16BIT) && (vertexCount>65536))
|
|
os::Printer::log("Too many vertices for 16bit index type, render artifacts may occur.");
|
|
PrimitivesDrawn += primitiveCount;
|
|
}
|
|
|
|
|
|
//! Draws a 3d line.
|
|
void CNullDriver::draw3DLine(const core::vector3df& start,
|
|
const core::vector3df& end, SColor color)
|
|
{
|
|
}
|
|
|
|
|
|
//! Draws a 3d axis aligned box.
|
|
void CNullDriver::draw3DBox(const core::aabbox3d<f32>& box, SColor color)
|
|
{
|
|
core::vector3df edges[8];
|
|
box.getEdges(edges);
|
|
|
|
// TODO: optimize into one big drawIndexPrimitive call.
|
|
|
|
draw3DLine(edges[5], edges[1], color);
|
|
draw3DLine(edges[1], edges[3], color);
|
|
draw3DLine(edges[3], edges[7], color);
|
|
draw3DLine(edges[7], edges[5], color);
|
|
draw3DLine(edges[0], edges[2], color);
|
|
draw3DLine(edges[2], edges[6], color);
|
|
draw3DLine(edges[6], edges[4], color);
|
|
draw3DLine(edges[4], edges[0], color);
|
|
draw3DLine(edges[1], edges[0], color);
|
|
draw3DLine(edges[3], edges[2], color);
|
|
draw3DLine(edges[7], edges[6], color);
|
|
draw3DLine(edges[5], edges[4], color);
|
|
}
|
|
|
|
|
|
|
|
//! draws an 2d image
|
|
void CNullDriver::draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos, bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
draw2DImage(texture,destPos, core::rect<s32>(core::position2d<s32>(0,0),
|
|
core::dimension2di(texture->getOriginalSize())),
|
|
0,
|
|
SColor(255,255,255,255),
|
|
useAlphaChannelOfTexture
|
|
);
|
|
}
|
|
|
|
|
|
//! draws a set of 2d images, using a color and the alpha channel of the
|
|
//! texture if desired.
|
|
void CNullDriver::draw2DImageBatch(const video::ITexture* texture,
|
|
const core::array<core::position2d<s32> >& positions,
|
|
const core::array<core::rect<s32> >& sourceRects,
|
|
const core::rect<s32>* clipRect,
|
|
SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
const irr::u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size());
|
|
|
|
for (u32 i=0; i<drawCount; ++i)
|
|
{
|
|
draw2DImage(texture, positions[i], sourceRects[i],
|
|
clipRect, color, useAlphaChannelOfTexture);
|
|
}
|
|
}
|
|
|
|
|
|
//! Draws a part of the texture into the rectangle.
|
|
void CNullDriver::draw2DImage(const video::ITexture* texture, const core::rect<s32>& destRect,
|
|
const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect,
|
|
const video::SColor* const colors, bool useAlphaChannelOfTexture)
|
|
{
|
|
if (destRect.isValid())
|
|
draw2DImage(texture, core::position2d<s32>(destRect.UpperLeftCorner),
|
|
sourceRect, clipRect, colors?colors[0]:video::SColor(0xffffffff),
|
|
useAlphaChannelOfTexture);
|
|
}
|
|
|
|
|
|
//! Draws a 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
|
|
void CNullDriver::draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos,
|
|
const core::rect<s32>& sourceRect,
|
|
const core::rect<s32>* clipRect, SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
}
|
|
|
|
|
|
//! Draw a 2d rectangle
|
|
void CNullDriver::draw2DRectangle(SColor color, const core::rect<s32>& pos, const core::rect<s32>* clip)
|
|
{
|
|
draw2DRectangle(pos, color, color, color, color, clip);
|
|
}
|
|
|
|
|
|
|
|
//! Draws a 2d rectangle with a gradient.
|
|
void CNullDriver::draw2DRectangle(const core::rect<s32>& pos,
|
|
SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
|
|
const core::rect<s32>* clip)
|
|
{
|
|
}
|
|
|
|
|
|
|
|
//! Draws a 2d line.
|
|
void CNullDriver::draw2DLine(const core::position2d<s32>& start,
|
|
const core::position2d<s32>& end, SColor color)
|
|
{
|
|
}
|
|
|
|
|
|
//! returns color format
|
|
ECOLOR_FORMAT CNullDriver::getColorFormat() const
|
|
{
|
|
return ECF_R5G6B5;
|
|
}
|
|
|
|
|
|
//! returns screen size
|
|
const core::dimension2d<u32>& CNullDriver::getScreenSize() const
|
|
{
|
|
return ScreenSize;
|
|
}
|
|
|
|
|
|
//! get current render target
|
|
IRenderTarget* CNullDriver::getCurrentRenderTarget() const
|
|
{
|
|
return CurrentRenderTarget;
|
|
}
|
|
|
|
|
|
const core::dimension2d<u32>& CNullDriver::getCurrentRenderTargetSize() const
|
|
{
|
|
if (CurrentRenderTargetSize.Width == 0)
|
|
return ScreenSize;
|
|
else
|
|
return CurrentRenderTargetSize;
|
|
}
|
|
|
|
|
|
// returns current frames per second value
|
|
s32 CNullDriver::getFPS() const
|
|
{
|
|
return FPSCounter.getFPS();
|
|
}
|
|
|
|
|
|
|
|
//! returns amount of primitives (mostly triangles) were drawn in the last frame.
|
|
//! very useful method for statistics.
|
|
u32 CNullDriver::getPrimitiveCountDrawn( u32 param ) const
|
|
{
|
|
return (0 == param) ? FPSCounter.getPrimitive() : (1 == param) ? FPSCounter.getPrimitiveAverage() : FPSCounter.getPrimitiveTotal();
|
|
}
|
|
|
|
|
|
|
|
//! Sets the dynamic ambient light color. The default color is
|
|
//! (0,0,0,0) which means it is dark.
|
|
//! \param color: New color of the ambient light.
|
|
void CNullDriver::setAmbientLight(const SColorf& color)
|
|
{
|
|
AmbientLight = color;
|
|
}
|
|
|
|
const SColorf& CNullDriver::getAmbientLight() const
|
|
{
|
|
return AmbientLight;
|
|
}
|
|
|
|
//! \return Returns the name of the video driver. Example: In case of the DIRECT3D8
|
|
//! driver, it would return "Direct3D8".
|
|
|
|
const char* CNullDriver::getName() const
|
|
{
|
|
return "Irrlicht NullDevice";
|
|
}
|
|
|
|
|
|
//! Creates a boolean alpha channel of the texture based of an color key.
|
|
void CNullDriver::makeColorKeyTexture(video::ITexture* texture,
|
|
video::SColor color) const
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
if (texture->getColorFormat() != ECF_A1R5G5B5 &&
|
|
texture->getColorFormat() != ECF_A8R8G8B8 )
|
|
{
|
|
os::Printer::log("Error: Unsupported texture color format for making color key channel.", ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
if (texture->getColorFormat() == ECF_A1R5G5B5)
|
|
{
|
|
u16 *p = (u16*)texture->lock();
|
|
|
|
if (!p)
|
|
{
|
|
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
const core::dimension2d<u32> dim = texture->getSize();
|
|
const u32 pitch = texture->getPitch() / 2;
|
|
|
|
// color with alpha disabled (i.e. fully transparent)
|
|
const u16 refZeroAlpha = (0x7fff & color.toA1R5G5B5());
|
|
|
|
const u32 pixels = pitch * dim.Height;
|
|
|
|
for (u32 pixel = 0; pixel < pixels; ++ pixel)
|
|
{
|
|
// If the color matches the reference color, ignoring alphas,
|
|
// set the alpha to zero.
|
|
if(((*p) & 0x7fff) == refZeroAlpha)
|
|
(*p) = refZeroAlpha;
|
|
|
|
++p;
|
|
}
|
|
|
|
texture->unlock();
|
|
}
|
|
else
|
|
{
|
|
u32 *p = (u32*)texture->lock();
|
|
|
|
if (!p)
|
|
{
|
|
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
core::dimension2d<u32> dim = texture->getSize();
|
|
u32 pitch = texture->getPitch() / 4;
|
|
|
|
// color with alpha disabled (fully transparent)
|
|
const u32 refZeroAlpha = 0x00ffffff & color.color;
|
|
|
|
const u32 pixels = pitch * dim.Height;
|
|
for (u32 pixel = 0; pixel < pixels; ++ pixel)
|
|
{
|
|
// If the color matches the reference color, ignoring alphas,
|
|
// set the alpha to zero.
|
|
if(((*p) & 0x00ffffff) == refZeroAlpha)
|
|
(*p) = refZeroAlpha;
|
|
|
|
++p;
|
|
}
|
|
|
|
texture->unlock();
|
|
}
|
|
texture->regenerateMipMapLevels();
|
|
}
|
|
|
|
|
|
|
|
//! Creates an boolean alpha channel of the texture based of an color key position.
|
|
void CNullDriver::makeColorKeyTexture(video::ITexture* texture,
|
|
core::position2d<s32> colorKeyPixelPos) const
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
if (texture->getColorFormat() != ECF_A1R5G5B5 &&
|
|
texture->getColorFormat() != ECF_A8R8G8B8 )
|
|
{
|
|
os::Printer::log("Error: Unsupported texture color format for making color key channel.", ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
SColor colorKey;
|
|
|
|
if (texture->getColorFormat() == ECF_A1R5G5B5)
|
|
{
|
|
u16 *p = (u16*)texture->lock(ETLM_READ_ONLY);
|
|
|
|
if (!p)
|
|
{
|
|
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
u32 pitch = texture->getPitch() / 2;
|
|
|
|
const u16 key16Bit = 0x7fff & p[colorKeyPixelPos.Y*pitch + colorKeyPixelPos.X];
|
|
|
|
colorKey = video::A1R5G5B5toA8R8G8B8(key16Bit);
|
|
}
|
|
else
|
|
{
|
|
u32 *p = (u32*)texture->lock(ETLM_READ_ONLY);
|
|
|
|
if (!p)
|
|
{
|
|
os::Printer::log("Could not lock texture for making color key channel.", ELL_ERROR);
|
|
return;
|
|
}
|
|
|
|
u32 pitch = texture->getPitch() / 4;
|
|
colorKey = 0x00ffffff & p[colorKeyPixelPos.Y*pitch + colorKeyPixelPos.X];
|
|
}
|
|
|
|
texture->unlock();
|
|
makeColorKeyTexture(texture, colorKey);
|
|
}
|
|
|
|
|
|
//! Returns the maximum amount of primitives (mostly vertices) which
|
|
//! the device is able to render with one drawIndexedTriangleList
|
|
//! call.
|
|
u32 CNullDriver::getMaximalPrimitiveCount() const
|
|
{
|
|
return 0xFFFFFFFF;
|
|
}
|
|
|
|
|
|
//! checks triangle count and print warning if wrong
|
|
bool CNullDriver::checkPrimitiveCount(u32 prmCount) const
|
|
{
|
|
const u32 m = getMaximalPrimitiveCount();
|
|
|
|
if (prmCount > m)
|
|
{
|
|
char tmp[128];
|
|
snprintf_irr(tmp, sizeof(tmp), "Could not draw triangles, too many primitives(%u), maximum is %u.", prmCount, m);
|
|
os::Printer::log(tmp, ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNullDriver::checkImage(IImage *image) const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool CNullDriver::checkImage(const core::array<IImage*>& image) const
|
|
{
|
|
if (!image.size())
|
|
return false;
|
|
|
|
ECOLOR_FORMAT lastFormat = image[0]->getColorFormat();
|
|
core::dimension2d<u32> lastSize = image[0]->getDimension();
|
|
|
|
for (u32 i = 0; i < image.size(); ++i) {
|
|
ECOLOR_FORMAT format = image[i]->getColorFormat();
|
|
core::dimension2d<u32> size = image[i]->getDimension();
|
|
|
|
if (!checkImage(image[i]))
|
|
return false;
|
|
|
|
if (format != lastFormat || size != lastSize)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
//! Enables or disables a texture creation flag.
|
|
void CNullDriver::setTextureCreationFlag(E_TEXTURE_CREATION_FLAG flag, bool enabled)
|
|
{
|
|
if (enabled && ((flag == ETCF_ALWAYS_16_BIT) || (flag == ETCF_ALWAYS_32_BIT)
|
|
|| (flag == ETCF_OPTIMIZED_FOR_QUALITY) || (flag == ETCF_OPTIMIZED_FOR_SPEED)))
|
|
{
|
|
// disable other formats
|
|
setTextureCreationFlag(ETCF_ALWAYS_16_BIT, false);
|
|
setTextureCreationFlag(ETCF_ALWAYS_32_BIT, false);
|
|
setTextureCreationFlag(ETCF_OPTIMIZED_FOR_QUALITY, false);
|
|
setTextureCreationFlag(ETCF_OPTIMIZED_FOR_SPEED, false);
|
|
}
|
|
|
|
// set flag
|
|
TextureCreationFlags = (TextureCreationFlags & (~flag)) |
|
|
((((u32)!enabled)-1) & flag);
|
|
}
|
|
|
|
|
|
//! Returns if a texture creation flag is enabled or disabled.
|
|
bool CNullDriver::getTextureCreationFlag(E_TEXTURE_CREATION_FLAG flag) const
|
|
{
|
|
return (TextureCreationFlags & flag)!=0;
|
|
}
|
|
|
|
IImage *CNullDriver::createImageFromFile(const io::path& filename)
|
|
{
|
|
if (!filename.size())
|
|
return nullptr;
|
|
|
|
io::IReadFile* file = FileSystem->createAndOpenFile(filename);
|
|
if (!file) {
|
|
os::Printer::log("Could not open file of image", filename, ELL_WARNING);
|
|
return nullptr;
|
|
}
|
|
|
|
IImage *image = createImageFromFile(file);
|
|
file->drop();
|
|
return image;
|
|
}
|
|
|
|
IImage *CNullDriver::createImageFromFile(io::IReadFile* file)
|
|
{
|
|
if (!file)
|
|
return nullptr;
|
|
|
|
// try to load file based on file extension
|
|
for (int i = SurfaceLoader.size() - 1; i >= 0; --i) {
|
|
if (!SurfaceLoader[i]->isALoadableFileExtension(file->getFileName()))
|
|
continue;
|
|
|
|
file->seek(0); // reset file position which might have changed due to previous loadImage calls
|
|
if (IImage *image = SurfaceLoader[i]->loadImage(file))
|
|
return image;
|
|
}
|
|
|
|
// try to load file based on what is in it
|
|
for (int i = SurfaceLoader.size() - 1; i >= 0; --i) {
|
|
if (SurfaceLoader[i]->isALoadableFileExtension(file->getFileName()))
|
|
continue; // extension was tried above already
|
|
file->seek(0); // dito
|
|
if (!SurfaceLoader[i]->isALoadableFileFormat(file))
|
|
continue;
|
|
|
|
file->seek(0);
|
|
if (IImage *image = SurfaceLoader[i]->loadImage(file))
|
|
return image;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
//! Writes the provided image to disk file
|
|
bool CNullDriver::writeImageToFile(IImage* image, const io::path& filename,u32 param)
|
|
{
|
|
io::IWriteFile* file = FileSystem->createAndWriteFile(filename);
|
|
if(!file)
|
|
return false;
|
|
|
|
bool result = writeImageToFile(image, file, param);
|
|
file->drop();
|
|
|
|
return result;
|
|
}
|
|
|
|
//! Writes the provided image to a file.
|
|
bool CNullDriver::writeImageToFile(IImage* image, io::IWriteFile * file, u32 param)
|
|
{
|
|
if(!file)
|
|
return false;
|
|
|
|
for (s32 i=SurfaceWriter.size()-1; i>=0; --i)
|
|
{
|
|
if (SurfaceWriter[i]->isAWriteableFileExtension(file->getFileName()))
|
|
{
|
|
bool written = SurfaceWriter[i]->writeImage(file, image, param);
|
|
if (written)
|
|
return true;
|
|
}
|
|
}
|
|
return false; // failed to write
|
|
}
|
|
|
|
|
|
//! Creates a software image from a byte array.
|
|
IImage* CNullDriver::createImageFromData(ECOLOR_FORMAT format,
|
|
const core::dimension2d<u32>& size, void *data, bool ownForeignMemory,
|
|
bool deleteMemory)
|
|
{
|
|
return new CImage(format, size, data, ownForeignMemory, deleteMemory);
|
|
}
|
|
|
|
|
|
//! Creates an empty software image.
|
|
IImage* CNullDriver::createImage(ECOLOR_FORMAT format, const core::dimension2d<u32>& size)
|
|
{
|
|
return new CImage(format, size);
|
|
}
|
|
|
|
|
|
//! Creates a software image from part of a texture.
|
|
IImage* CNullDriver::createImage(ITexture* texture, const core::position2d<s32>& pos, const core::dimension2d<u32>& size)
|
|
{
|
|
if ((pos==core::position2di(0,0)) && (size == texture->getSize()))
|
|
{
|
|
void * data = texture->lock(ETLM_READ_ONLY);
|
|
if ( !data)
|
|
return 0;
|
|
IImage* image = new CImage(texture->getColorFormat(), size, data, false, false);
|
|
texture->unlock();
|
|
return image;
|
|
}
|
|
else
|
|
{
|
|
// make sure to avoid buffer overruns
|
|
// make the vector a separate variable for g++ 3.x
|
|
const core::vector2d<u32> leftUpper(core::clamp(static_cast<u32>(pos.X), 0u, texture->getSize().Width),
|
|
core::clamp(static_cast<u32>(pos.Y), 0u, texture->getSize().Height));
|
|
const core::rect<u32> clamped(leftUpper,
|
|
core::dimension2du(core::clamp(static_cast<u32>(size.Width), 0u, texture->getSize().Width),
|
|
core::clamp(static_cast<u32>(size.Height), 0u, texture->getSize().Height)));
|
|
if (!clamped.isValid())
|
|
return 0;
|
|
u8* src = static_cast<u8*>(texture->lock(ETLM_READ_ONLY));
|
|
if (!src)
|
|
return 0;
|
|
IImage* image = new CImage(texture->getColorFormat(), clamped.getSize());
|
|
u8* dst = static_cast<u8*>(image->getData());
|
|
src += clamped.UpperLeftCorner.Y * texture->getPitch() + image->getBytesPerPixel() * clamped.UpperLeftCorner.X;
|
|
for (u32 i=0; i<clamped.getHeight(); ++i)
|
|
{
|
|
video::CColorConverter::convert_viaFormat(src, texture->getColorFormat(), clamped.getWidth(), dst, image->getColorFormat());
|
|
src += texture->getPitch();
|
|
dst += image->getPitch();
|
|
}
|
|
texture->unlock();
|
|
return image;
|
|
}
|
|
}
|
|
|
|
|
|
//! Sets the fog mode.
|
|
void CNullDriver::setFog(SColor color, E_FOG_TYPE fogType, f32 start, f32 end,
|
|
f32 density, bool pixelFog, bool rangeFog)
|
|
{
|
|
FogColor = color;
|
|
FogType = fogType;
|
|
FogStart = start;
|
|
FogEnd = end;
|
|
FogDensity = density;
|
|
PixelFog = pixelFog;
|
|
RangeFog = rangeFog;
|
|
}
|
|
|
|
//! Gets the fog mode.
|
|
void CNullDriver::getFog(SColor& color, E_FOG_TYPE& fogType, f32& start, f32& end,
|
|
f32& density, bool& pixelFog, bool& rangeFog)
|
|
{
|
|
color = FogColor;
|
|
fogType = FogType;
|
|
start = FogStart;
|
|
end = FogEnd;
|
|
density = FogDensity;
|
|
pixelFog = PixelFog;
|
|
rangeFog = RangeFog;
|
|
}
|
|
|
|
//! Draws a mesh buffer
|
|
void CNullDriver::drawMeshBuffer(const scene::IMeshBuffer* mb)
|
|
{
|
|
if (!mb)
|
|
return;
|
|
|
|
//IVertexBuffer and IIndexBuffer later
|
|
SHWBufferLink *HWBuffer=getBufferLink(mb);
|
|
|
|
if (HWBuffer)
|
|
drawHardwareBuffer(HWBuffer);
|
|
else
|
|
drawVertexPrimitiveList(mb->getVertices(), mb->getVertexCount(), mb->getIndices(), mb->getPrimitiveCount(), mb->getVertexType(), mb->getPrimitiveType(), mb->getIndexType());
|
|
}
|
|
|
|
|
|
//! Draws the normals of a mesh buffer
|
|
void CNullDriver::drawMeshBufferNormals(const scene::IMeshBuffer* mb, f32 length, SColor color)
|
|
{
|
|
const u32 count = mb->getVertexCount();
|
|
const bool normalize = mb->getMaterial().NormalizeNormals;
|
|
|
|
for (u32 i=0; i < count; ++i)
|
|
{
|
|
core::vector3df normalizedNormal = mb->getNormal(i);
|
|
if (normalize)
|
|
normalizedNormal.normalize();
|
|
|
|
const core::vector3df& pos = mb->getPosition(i);
|
|
draw3DLine(pos, pos + (normalizedNormal * length), color);
|
|
}
|
|
}
|
|
|
|
|
|
CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IMeshBuffer* mb)
|
|
{
|
|
if (!mb || !isHardwareBufferRecommend(mb))
|
|
return 0;
|
|
|
|
//search for hardware links
|
|
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink*>(mb->getHWBuffer());
|
|
if (HWBuffer)
|
|
return HWBuffer;
|
|
|
|
return createHardwareBuffer(mb); //no hardware links, and mesh wants one, create it
|
|
}
|
|
|
|
|
|
//! Update all hardware buffers, remove unused ones
|
|
void CNullDriver::updateAllHardwareBuffers()
|
|
{
|
|
auto it = HWBufferList.begin();
|
|
while (it != HWBufferList.end()) {
|
|
SHWBufferLink *Link = *it;
|
|
++it;
|
|
|
|
if (!Link->MeshBuffer || Link->MeshBuffer->getReferenceCount() == 1)
|
|
deleteHardwareBuffer(Link);
|
|
}
|
|
}
|
|
|
|
|
|
void CNullDriver::deleteHardwareBuffer(SHWBufferLink *HWBuffer)
|
|
{
|
|
if (!HWBuffer)
|
|
return;
|
|
HWBufferList.erase(HWBuffer->listPosition);
|
|
delete HWBuffer;
|
|
}
|
|
|
|
|
|
//! Remove hardware buffer
|
|
void CNullDriver::removeHardwareBuffer(const scene::IMeshBuffer* mb)
|
|
{
|
|
if (!mb)
|
|
return;
|
|
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink*>(mb->getHWBuffer());
|
|
if (HWBuffer)
|
|
deleteHardwareBuffer(HWBuffer);
|
|
}
|
|
|
|
|
|
//! Remove all hardware buffers
|
|
void CNullDriver::removeAllHardwareBuffers()
|
|
{
|
|
while (!HWBufferList.empty())
|
|
deleteHardwareBuffer(HWBufferList.front());
|
|
}
|
|
|
|
|
|
bool CNullDriver::isHardwareBufferRecommend(const scene::IMeshBuffer* mb)
|
|
{
|
|
if (!mb || (mb->getHardwareMappingHint_Index()==scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex()==scene::EHM_NEVER))
|
|
return false;
|
|
|
|
if (mb->getVertexCount()<MinVertexCountForVBO)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//! Create occlusion query.
|
|
/** Use node for identification and mesh for occlusion test. */
|
|
void CNullDriver::addOcclusionQuery(scene::ISceneNode* node, const scene::IMesh* mesh)
|
|
{
|
|
if (!node)
|
|
return;
|
|
if (!mesh)
|
|
{
|
|
if ((node->getType() != scene::ESNT_MESH) && (node->getType() != scene::ESNT_ANIMATED_MESH))
|
|
return;
|
|
else if (node->getType() == scene::ESNT_MESH)
|
|
mesh = static_cast<scene::IMeshSceneNode*>(node)->getMesh();
|
|
else
|
|
mesh = static_cast<scene::IAnimatedMeshSceneNode*>(node)->getMesh()->getMesh(0);
|
|
if (!mesh)
|
|
return;
|
|
}
|
|
|
|
//search for query
|
|
s32 index = OcclusionQueries.linear_search(SOccQuery(node));
|
|
if (index != -1)
|
|
{
|
|
if (OcclusionQueries[index].Mesh != mesh)
|
|
{
|
|
OcclusionQueries[index].Mesh->drop();
|
|
OcclusionQueries[index].Mesh = mesh;
|
|
mesh->grab();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
OcclusionQueries.push_back(SOccQuery(node, mesh));
|
|
node->setAutomaticCulling(node->getAutomaticCulling() | scene::EAC_OCC_QUERY);
|
|
}
|
|
}
|
|
|
|
|
|
//! Remove occlusion query.
|
|
void CNullDriver::removeOcclusionQuery(scene::ISceneNode* node)
|
|
{
|
|
//search for query
|
|
s32 index = OcclusionQueries.linear_search(SOccQuery(node));
|
|
if (index != -1)
|
|
{
|
|
node->setAutomaticCulling(node->getAutomaticCulling() & ~scene::EAC_OCC_QUERY);
|
|
OcclusionQueries.erase(index);
|
|
}
|
|
}
|
|
|
|
|
|
//! Remove all occlusion queries.
|
|
void CNullDriver::removeAllOcclusionQueries()
|
|
{
|
|
for (s32 i=OcclusionQueries.size()-1; i>=0; --i)
|
|
{
|
|
removeOcclusionQuery(OcclusionQueries[i].Node);
|
|
}
|
|
}
|
|
|
|
|
|
//! Run occlusion query. Draws mesh stored in query.
|
|
/** If the mesh shall be rendered visible, use
|
|
flag to enable the proper material setting. */
|
|
void CNullDriver::runOcclusionQuery(scene::ISceneNode* node, bool visible)
|
|
{
|
|
if(!node)
|
|
return;
|
|
s32 index = OcclusionQueries.linear_search(SOccQuery(node));
|
|
if (index==-1)
|
|
return;
|
|
OcclusionQueries[index].Run=0;
|
|
if (!visible)
|
|
{
|
|
SMaterial mat;
|
|
mat.Lighting=false;
|
|
mat.AntiAliasing=0;
|
|
mat.ColorMask=ECP_NONE;
|
|
mat.GouraudShading=false;
|
|
mat.ZWriteEnable=EZW_OFF;
|
|
setMaterial(mat);
|
|
}
|
|
setTransform(video::ETS_WORLD, node->getAbsoluteTransformation());
|
|
const scene::IMesh* mesh = OcclusionQueries[index].Mesh;
|
|
for (u32 i=0; i<mesh->getMeshBufferCount(); ++i)
|
|
{
|
|
if (visible)
|
|
setMaterial(mesh->getMeshBuffer(i)->getMaterial());
|
|
drawMeshBuffer(mesh->getMeshBuffer(i));
|
|
}
|
|
}
|
|
|
|
|
|
//! Run all occlusion queries. Draws all meshes stored in queries.
|
|
/** If the meshes shall not be rendered visible, use
|
|
overrideMaterial to disable the color and depth buffer. */
|
|
void CNullDriver::runAllOcclusionQueries(bool visible)
|
|
{
|
|
for (u32 i=0; i<OcclusionQueries.size(); ++i)
|
|
runOcclusionQuery(OcclusionQueries[i].Node, visible);
|
|
}
|
|
|
|
|
|
//! Update occlusion query. Retrieves results from GPU.
|
|
/** If the query shall not block, set the flag to false.
|
|
Update might not occur in this case, though */
|
|
void CNullDriver::updateOcclusionQuery(scene::ISceneNode* node, bool block)
|
|
{
|
|
}
|
|
|
|
|
|
//! Update all occlusion queries. Retrieves results from GPU.
|
|
/** If the query shall not block, set the flag to false.
|
|
Update might not occur in this case, though */
|
|
void CNullDriver::updateAllOcclusionQueries(bool block)
|
|
{
|
|
for (u32 i=0; i<OcclusionQueries.size(); ++i)
|
|
{
|
|
if (OcclusionQueries[i].Run==u32(~0))
|
|
continue;
|
|
updateOcclusionQuery(OcclusionQueries[i].Node, block);
|
|
++OcclusionQueries[i].Run;
|
|
if (OcclusionQueries[i].Run>1000)
|
|
removeOcclusionQuery(OcclusionQueries[i].Node);
|
|
}
|
|
}
|
|
|
|
|
|
//! Return query result.
|
|
/** Return value is the number of visible pixels/fragments.
|
|
The value is a safe approximation, i.e. can be larger then the
|
|
actual value of pixels. */
|
|
u32 CNullDriver::getOcclusionQueryResult(scene::ISceneNode* node) const
|
|
{
|
|
return ~0;
|
|
}
|
|
|
|
|
|
//! Create render target.
|
|
IRenderTarget* CNullDriver::addRenderTarget()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Remove render target.
|
|
void CNullDriver::removeRenderTarget(IRenderTarget* renderTarget)
|
|
{
|
|
if (!renderTarget)
|
|
return;
|
|
|
|
for (u32 i = 0; i < RenderTargets.size(); ++i)
|
|
{
|
|
if (RenderTargets[i] == renderTarget)
|
|
{
|
|
RenderTargets[i]->drop();
|
|
RenderTargets.erase(i);
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//! Remove all render targets.
|
|
void CNullDriver::removeAllRenderTargets()
|
|
{
|
|
for (u32 i = 0; i < RenderTargets.size(); ++i)
|
|
RenderTargets[i]->drop();
|
|
|
|
RenderTargets.clear();
|
|
|
|
SharedRenderTarget = 0;
|
|
}
|
|
|
|
|
|
//! Only used by the internal engine. Used to notify the driver that
|
|
//! the window was resized.
|
|
void CNullDriver::OnResize(const core::dimension2d<u32>& size)
|
|
{
|
|
if (ViewPort.getWidth() == (s32)ScreenSize.Width &&
|
|
ViewPort.getHeight() == (s32)ScreenSize.Height)
|
|
ViewPort = core::rect<s32>(core::position2d<s32>(0,0),
|
|
core::dimension2di(size));
|
|
|
|
ScreenSize = size;
|
|
}
|
|
|
|
|
|
// adds a material renderer and drops it afterwards. To be used for internal creation
|
|
s32 CNullDriver::addAndDropMaterialRenderer(IMaterialRenderer* m)
|
|
{
|
|
s32 i = addMaterialRenderer(m);
|
|
|
|
if (m)
|
|
m->drop();
|
|
|
|
return i;
|
|
}
|
|
|
|
|
|
//! Adds a new material renderer to the video device.
|
|
s32 CNullDriver::addMaterialRenderer(IMaterialRenderer* renderer, const char* name)
|
|
{
|
|
if (!renderer)
|
|
return -1;
|
|
|
|
SMaterialRenderer r;
|
|
r.Renderer = renderer;
|
|
r.Name = name;
|
|
|
|
if (name == 0 && MaterialRenderers.size() < numBuiltInMaterials)
|
|
{
|
|
// set name of built in renderer so that we don't have to implement name
|
|
// setting in all available renderers.
|
|
r.Name = sBuiltInMaterialTypeNames[MaterialRenderers.size()];
|
|
}
|
|
|
|
MaterialRenderers.push_back(r);
|
|
renderer->grab();
|
|
|
|
return MaterialRenderers.size()-1;
|
|
}
|
|
|
|
|
|
//! Sets the name of a material renderer.
|
|
void CNullDriver::setMaterialRendererName(u32 idx, const char* name)
|
|
{
|
|
if (idx < numBuiltInMaterials || idx >= MaterialRenderers.size())
|
|
return;
|
|
|
|
MaterialRenderers[idx].Name = name;
|
|
}
|
|
|
|
void CNullDriver::swapMaterialRenderers(u32 idx1, u32 idx2, bool swapNames)
|
|
{
|
|
if ( idx1 < MaterialRenderers.size() && idx2 < MaterialRenderers.size() )
|
|
{
|
|
irr::core::swap(MaterialRenderers[idx1].Renderer, MaterialRenderers[idx2].Renderer);
|
|
if ( swapNames )
|
|
irr::core::swap(MaterialRenderers[idx1].Name, MaterialRenderers[idx2].Name);
|
|
}
|
|
}
|
|
|
|
|
|
//! Returns driver and operating system specific data about the IVideoDriver.
|
|
const SExposedVideoData& CNullDriver::getExposedVideoData()
|
|
{
|
|
return ExposedData;
|
|
}
|
|
|
|
|
|
//! Returns type of video driver
|
|
E_DRIVER_TYPE CNullDriver::getDriverType() const
|
|
{
|
|
return EDT_NULL;
|
|
}
|
|
|
|
|
|
//! deletes all material renderers
|
|
void CNullDriver::deleteMaterialRenders()
|
|
{
|
|
// delete material renderers
|
|
for (u32 i=0; i<MaterialRenderers.size(); ++i)
|
|
if (MaterialRenderers[i].Renderer)
|
|
MaterialRenderers[i].Renderer->drop();
|
|
|
|
MaterialRenderers.clear();
|
|
}
|
|
|
|
|
|
//! Returns pointer to material renderer or null
|
|
IMaterialRenderer* CNullDriver::getMaterialRenderer(u32 idx) const
|
|
{
|
|
if ( idx < MaterialRenderers.size() )
|
|
return MaterialRenderers[idx].Renderer;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Returns amount of currently available material renderers.
|
|
u32 CNullDriver::getMaterialRendererCount() const
|
|
{
|
|
return MaterialRenderers.size();
|
|
}
|
|
|
|
|
|
//! Returns name of the material renderer
|
|
const char* CNullDriver::getMaterialRendererName(u32 idx) const
|
|
{
|
|
if ( idx < MaterialRenderers.size() )
|
|
return MaterialRenderers[idx].Name.c_str();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
//! Returns pointer to the IGPUProgrammingServices interface.
|
|
IGPUProgrammingServices* CNullDriver::getGPUProgrammingServices()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
|
|
//! Adds a new material renderer to the VideoDriver, based on a high level shading language.
|
|
s32 CNullDriver::addHighLevelShaderMaterial(
|
|
const c8* vertexShaderProgram,
|
|
const c8* vertexShaderEntryPointName,
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget,
|
|
const c8* pixelShaderProgram,
|
|
const c8* pixelShaderEntryPointName,
|
|
E_PIXEL_SHADER_TYPE psCompileTarget,
|
|
const c8* geometryShaderProgram,
|
|
const c8* geometryShaderEntryPointName,
|
|
E_GEOMETRY_SHADER_TYPE gsCompileTarget,
|
|
scene::E_PRIMITIVE_TYPE inType, scene::E_PRIMITIVE_TYPE outType,
|
|
u32 verticesOut,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial,
|
|
s32 userData)
|
|
{
|
|
os::Printer::log("High level shader materials not available (yet) in this driver, sorry");
|
|
return -1;
|
|
}
|
|
|
|
|
|
s32 CNullDriver::addHighLevelShaderMaterialFromFiles(
|
|
const io::path& vertexShaderProgramFileName,
|
|
const c8* vertexShaderEntryPointName,
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget,
|
|
const io::path& pixelShaderProgramFileName,
|
|
const c8* pixelShaderEntryPointName,
|
|
E_PIXEL_SHADER_TYPE psCompileTarget,
|
|
const io::path& geometryShaderProgramFileName,
|
|
const c8* geometryShaderEntryPointName,
|
|
E_GEOMETRY_SHADER_TYPE gsCompileTarget,
|
|
scene::E_PRIMITIVE_TYPE inType, scene::E_PRIMITIVE_TYPE outType,
|
|
u32 verticesOut,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial,
|
|
s32 userData)
|
|
{
|
|
io::IReadFile* vsfile = 0;
|
|
io::IReadFile* psfile = 0;
|
|
io::IReadFile* gsfile = 0;
|
|
|
|
if (vertexShaderProgramFileName.size() )
|
|
{
|
|
vsfile = FileSystem->createAndOpenFile(vertexShaderProgramFileName);
|
|
if (!vsfile)
|
|
{
|
|
os::Printer::log("Could not open vertex shader program file",
|
|
vertexShaderProgramFileName, ELL_WARNING);
|
|
}
|
|
}
|
|
|
|
if (pixelShaderProgramFileName.size() )
|
|
{
|
|
psfile = FileSystem->createAndOpenFile(pixelShaderProgramFileName);
|
|
if (!psfile)
|
|
{
|
|
os::Printer::log("Could not open pixel shader program file",
|
|
pixelShaderProgramFileName, ELL_WARNING);
|
|
}
|
|
}
|
|
|
|
if (geometryShaderProgramFileName.size() )
|
|
{
|
|
gsfile = FileSystem->createAndOpenFile(geometryShaderProgramFileName);
|
|
if (!gsfile)
|
|
{
|
|
os::Printer::log("Could not open geometry shader program file",
|
|
geometryShaderProgramFileName, ELL_WARNING);
|
|
}
|
|
}
|
|
|
|
s32 result = addHighLevelShaderMaterialFromFiles(
|
|
vsfile, vertexShaderEntryPointName, vsCompileTarget,
|
|
psfile, pixelShaderEntryPointName, psCompileTarget,
|
|
gsfile, geometryShaderEntryPointName, gsCompileTarget,
|
|
inType, outType, verticesOut,
|
|
callback, baseMaterial, userData);
|
|
|
|
if (psfile)
|
|
psfile->drop();
|
|
|
|
if (vsfile)
|
|
vsfile->drop();
|
|
|
|
if (gsfile)
|
|
gsfile->drop();
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
s32 CNullDriver::addHighLevelShaderMaterialFromFiles(
|
|
io::IReadFile* vertexShaderProgram,
|
|
const c8* vertexShaderEntryPointName,
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget,
|
|
io::IReadFile* pixelShaderProgram,
|
|
const c8* pixelShaderEntryPointName,
|
|
E_PIXEL_SHADER_TYPE psCompileTarget,
|
|
io::IReadFile* geometryShaderProgram,
|
|
const c8* geometryShaderEntryPointName,
|
|
E_GEOMETRY_SHADER_TYPE gsCompileTarget,
|
|
scene::E_PRIMITIVE_TYPE inType, scene::E_PRIMITIVE_TYPE outType,
|
|
u32 verticesOut,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial,
|
|
s32 userData)
|
|
{
|
|
c8* vs = 0;
|
|
c8* ps = 0;
|
|
c8* gs = 0;
|
|
|
|
if (vertexShaderProgram)
|
|
{
|
|
const long size = vertexShaderProgram->getSize();
|
|
if (size)
|
|
{
|
|
vs = new c8[size+1];
|
|
vertexShaderProgram->read(vs, size);
|
|
vs[size] = 0;
|
|
}
|
|
}
|
|
|
|
if (pixelShaderProgram)
|
|
{
|
|
const long size = pixelShaderProgram->getSize();
|
|
if (size)
|
|
{
|
|
// if both handles are the same we must reset the file
|
|
if (pixelShaderProgram==vertexShaderProgram)
|
|
pixelShaderProgram->seek(0);
|
|
ps = new c8[size+1];
|
|
pixelShaderProgram->read(ps, size);
|
|
ps[size] = 0;
|
|
}
|
|
}
|
|
|
|
if (geometryShaderProgram)
|
|
{
|
|
const long size = geometryShaderProgram->getSize();
|
|
if (size)
|
|
{
|
|
// if both handles are the same we must reset the file
|
|
if ((geometryShaderProgram==vertexShaderProgram) ||
|
|
(geometryShaderProgram==pixelShaderProgram))
|
|
geometryShaderProgram->seek(0);
|
|
gs = new c8[size+1];
|
|
geometryShaderProgram->read(gs, size);
|
|
gs[size] = 0;
|
|
}
|
|
}
|
|
|
|
s32 result = this->addHighLevelShaderMaterial(
|
|
vs, vertexShaderEntryPointName, vsCompileTarget,
|
|
ps, pixelShaderEntryPointName, psCompileTarget,
|
|
gs, geometryShaderEntryPointName, gsCompileTarget,
|
|
inType, outType, verticesOut,
|
|
callback, baseMaterial, userData);
|
|
|
|
delete [] vs;
|
|
delete [] ps;
|
|
delete [] gs;
|
|
|
|
return result;
|
|
}
|
|
|
|
void CNullDriver::deleteShaderMaterial(s32 material)
|
|
{
|
|
const u32 idx = (u32)material;
|
|
if (idx < numBuiltInMaterials || idx >= MaterialRenderers.size())
|
|
return;
|
|
|
|
// if this is the last material we can drop it without consequence
|
|
if (idx == MaterialRenderers.size() - 1) {
|
|
if (MaterialRenderers[idx].Renderer)
|
|
MaterialRenderers[idx].Renderer->drop();
|
|
MaterialRenderers.erase(idx);
|
|
return;
|
|
}
|
|
// otherwise replace with a dummy renderer, we have to preserve the IDs
|
|
auto &ref = MaterialRenderers[idx];
|
|
if (ref.Renderer)
|
|
ref.Renderer->drop();
|
|
ref.Renderer = new CDummyMaterialRenderer();
|
|
ref.Name.clear();
|
|
}
|
|
|
|
|
|
//! Creates a render target texture.
|
|
ITexture* CNullDriver::addRenderTargetTexture(const core::dimension2d<u32>& size,
|
|
const io::path&name, const ECOLOR_FORMAT format)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
ITexture* CNullDriver::addRenderTargetTextureCubemap(const irr::u32 sideLen,
|
|
const io::path& name, const ECOLOR_FORMAT format)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void CNullDriver::clearBuffers(u16 flag, SColor color, f32 depth, u8 stencil)
|
|
{
|
|
}
|
|
|
|
|
|
//! Returns a pointer to the mesh manipulator.
|
|
scene::IMeshManipulator* CNullDriver::getMeshManipulator()
|
|
{
|
|
return MeshManipulator;
|
|
}
|
|
|
|
|
|
//! Returns an image created from the last rendered frame.
|
|
IImage* CNullDriver::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
// prints renderer version
|
|
void CNullDriver::printVersion()
|
|
{
|
|
core::stringc namePrint = "Using renderer: ";
|
|
namePrint += getName();
|
|
os::Printer::log(namePrint.c_str(), ELL_INFORMATION);
|
|
}
|
|
|
|
|
|
//! creates a video driver
|
|
IVideoDriver* createNullDriver(io::IFileSystem* io, const core::dimension2d<u32>& screenSize)
|
|
{
|
|
CNullDriver* nullDriver = new CNullDriver(io, screenSize);
|
|
|
|
// create empty material renderers
|
|
for(u32 i=0; sBuiltInMaterialTypeNames[i]; ++i)
|
|
{
|
|
IMaterialRenderer* imr = new IMaterialRenderer();
|
|
nullDriver->addMaterialRenderer(imr);
|
|
imr->drop();
|
|
}
|
|
|
|
return nullDriver;
|
|
}
|
|
|
|
|
|
//! Set/unset a clipping plane.
|
|
//! There are at least 6 clipping planes available for the user to set at will.
|
|
//! \param index: The plane index. Must be between 0 and MaxUserClipPlanes.
|
|
//! \param plane: The plane itself.
|
|
//! \param enable: If true, enable the clipping plane else disable it.
|
|
bool CNullDriver::setClipPlane(u32 index, const core::plane3df& plane, bool enable)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|
|
//! Enable/disable a clipping plane.
|
|
void CNullDriver::enableClipPlane(u32 index, bool enable)
|
|
{
|
|
// not necessary
|
|
}
|
|
|
|
|
|
void CNullDriver::setMinHardwareBufferVertexCount(u32 count)
|
|
{
|
|
MinVertexCountForVBO = count;
|
|
}
|
|
|
|
|
|
SOverrideMaterial& CNullDriver::getOverrideMaterial()
|
|
{
|
|
return OverrideMaterial;
|
|
}
|
|
|
|
|
|
//! Get the 2d override material for altering its values
|
|
SMaterial& CNullDriver::getMaterial2D()
|
|
{
|
|
return OverrideMaterial2D;
|
|
}
|
|
|
|
|
|
//! Enable the 2d override material
|
|
void CNullDriver::enableMaterial2D(bool enable)
|
|
{
|
|
OverrideMaterial2DEnabled=enable;
|
|
}
|
|
|
|
|
|
core::dimension2du CNullDriver::getMaxTextureSize() const
|
|
{
|
|
return core::dimension2du(0x10000,0x10000); // maybe large enough
|
|
}
|
|
|
|
bool CNullDriver::needsTransparentRenderPass(const irr::video::SMaterial& material) const
|
|
{
|
|
// TODO: I suspect it would be nice if the material had an enum for further control.
|
|
// Especially it probably makes sense to allow disabling transparent render pass as soon as material.ZWriteEnable is on.
|
|
// But then we might want an enum for the renderpass in material instead of just a transparency flag in material - and that's more work.
|
|
// Or we could at least set return false when material.ZWriteEnable is EZW_ON? Still considering that...
|
|
// Be careful - this function is deeply connected to getWriteZBuffer as transparent render passes are usually about rendering with
|
|
// zwrite disabled and getWriteZBuffer calls this function.
|
|
|
|
video::IMaterialRenderer* rnd = getMaterialRenderer(material.MaterialType);
|
|
// TODO: I suspect IMaterialRenderer::isTransparent also often could use SMaterial as parameter
|
|
// We could for example then get rid of IsTransparent function in SMaterial and move that to the software material renderer.
|
|
if (rnd && rnd->isTransparent())
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
//! Color conversion convenience function
|
|
/** Convert an image (as array of pixels) from source to destination
|
|
array, thereby converting the color format. The pixel size is
|
|
determined by the color formats.
|
|
\param sP Pointer to source
|
|
\param sF Color format of source
|
|
\param sN Number of pixels to convert, both array must be large enough
|
|
\param dP Pointer to destination
|
|
\param dF Color format of destination
|
|
*/
|
|
void CNullDriver::convertColor(const void* sP, ECOLOR_FORMAT sF, s32 sN,
|
|
void* dP, ECOLOR_FORMAT dF) const
|
|
{
|
|
video::CColorConverter::convert_viaFormat(sP, sF, sN, dP, dF);
|
|
}
|
|
|
|
|
|
} // end namespace
|
|
} // end namespace
|