diff --git a/apps/openmw/CMakeLists.txt b/apps/openmw/CMakeLists.txt index 663a10787d..8ee865a0bf 100644 --- a/apps/openmw/CMakeLists.txt +++ b/apps/openmw/CMakeLists.txt @@ -16,7 +16,7 @@ set(GAME_HEADER source_group(game FILES ${GAME} ${GAME_HEADER}) add_openmw_dir (mwrender - renderingmanager debugging sky terrain player npcs creatures objects renderinginterface + renderingmanager debugging sky terrain terrainmaterial player npcs creatures objects renderinginterface ) add_openmw_dir (mwinput diff --git a/apps/openmw/mwrender/terrain.cpp b/apps/openmw/mwrender/terrain.cpp index 70ecdee73d..568ed37415 100644 --- a/apps/openmw/mwrender/terrain.cpp +++ b/apps/openmw/mwrender/terrain.cpp @@ -1,11 +1,13 @@ #include #include -#include +#include "terrainmaterial.hpp" #include "terrain.hpp" #include "components/esm/loadland.hpp" +using namespace Ogre; + namespace MWRender { @@ -18,15 +20,23 @@ namespace MWRender mTerrainGlobals->setMaxPixelError(8); mTerrainGlobals->setLayerBlendMapSize(SPLIT_TERRAIN ? 1024 : 256); + Ogre::TerrainMaterialGeneratorPtr matGen; + TerrainMaterialGeneratorB* matGenP = new TerrainMaterialGeneratorB(); + matGen.bind(matGenP); + mTerrainGlobals->setDefaultMaterialGenerator(matGen); + Ogre::TerrainMaterialGenerator::Profile* const activeProfile = mTerrainGlobals->getDefaultMaterialGenerator() ->getActiveProfile(); - Ogre::TerrainMaterialGeneratorA::SM2Profile* matProfile = - static_cast(activeProfile); + TerrainMaterialGeneratorB::SM2Profile* matProfile = + static_cast(activeProfile); matProfile->setLightmapEnabled(false); matProfile->setReceiveDynamicShadowsEnabled(false); - + matProfile->setLayerNormalMappingEnabled(false); + //matProfile->setLayerParallaxMappingEnabled(false); + matProfile->setLayerSpecularMappingEnabled(false); + mLandSize = ESM::Land::LAND_SIZE; mRealSize = ESM::Land::REAL_SIZE; if ( SPLIT_TERRAIN ) diff --git a/apps/openmw/mwrender/terrainmaterial.cpp b/apps/openmw/mwrender/terrainmaterial.cpp new file mode 100644 index 0000000000..313a4a90cf --- /dev/null +++ b/apps/openmw/mwrender/terrainmaterial.cpp @@ -0,0 +1,1656 @@ +/* +----------------------------------------------------------------------------- +This source file is part of OGRE +(Object-oriented Graphics Rendering Engine) +For the latest info, see http://www.ogre3d.org/ + +Copyright (c) 2000-2011 Torus Knot Software Ltd + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +----------------------------------------------------------------------------- +*/ +#include "terrainmaterial.hpp" +#include "OgreTerrain.h" +#include "OgreMaterialManager.h" +#include "OgreTechnique.h" +#include "OgrePass.h" +#include "OgreTextureUnitState.h" +#include "OgreGpuProgramManager.h" +#include "OgreHighLevelGpuProgramManager.h" +#include "OgreHardwarePixelBuffer.h" +#include "OgreShadowCameraSetupPSSM.h" + +namespace Ogre +{ + //--------------------------------------------------------------------- + TerrainMaterialGeneratorB::TerrainMaterialGeneratorB() + { + // define the layers + // We expect terrain textures to have no alpha, so we use the alpha channel + // in the albedo texture to store specular reflection + // similarly we double-up the normal and height (for parallax) + mLayerDecl.samplers.push_back(TerrainLayerSampler("albedo_specular", PF_BYTE_RGBA)); + mLayerDecl.samplers.push_back(TerrainLayerSampler("normal_height", PF_BYTE_RGBA)); + + mLayerDecl.elements.push_back( + TerrainLayerSamplerElement(0, TLSS_ALBEDO, 0, 3)); + mLayerDecl.elements.push_back( + TerrainLayerSamplerElement(0, TLSS_SPECULAR, 3, 1)); + mLayerDecl.elements.push_back( + TerrainLayerSamplerElement(1, TLSS_NORMAL, 0, 3)); + mLayerDecl.elements.push_back( + TerrainLayerSamplerElement(1, TLSS_HEIGHT, 3, 1)); + + + mProfiles.push_back(OGRE_NEW SM2Profile(this, "SM2", "Profile for rendering on Shader Model 2 capable cards")); + // TODO - check hardware capabilities & use fallbacks if required (more profiles needed) + setActiveProfile("SM2"); + + } + //--------------------------------------------------------------------- + TerrainMaterialGeneratorB::~TerrainMaterialGeneratorB() + { + + } + //--------------------------------------------------------------------- + //--------------------------------------------------------------------- + TerrainMaterialGeneratorB::SM2Profile::SM2Profile(TerrainMaterialGenerator* parent, const String& name, const String& desc) + : Profile(parent, name, desc) + , mShaderGen(0) + , mLayerNormalMappingEnabled(true) + , mLayerParallaxMappingEnabled(true) + , mLayerSpecularMappingEnabled(true) + , mGlobalColourMapEnabled(true) + , mLightmapEnabled(true) + , mCompositeMapEnabled(true) + , mReceiveDynamicShadows(true) + , mPSSM(0) + , mDepthShadows(false) + , mLowLodShadows(false) + { + + } + //--------------------------------------------------------------------- + TerrainMaterialGeneratorB::SM2Profile::~SM2Profile() + { + OGRE_DELETE mShaderGen; + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::requestOptions(Terrain* terrain) + { + terrain->_setMorphRequired(true); + terrain->_setNormalMapRequired(true); + terrain->_setLightMapRequired(mLightmapEnabled, true); + terrain->_setCompositeMapRequired(mCompositeMapEnabled); + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setLayerNormalMappingEnabled(bool enabled) + { + if (enabled != mLayerNormalMappingEnabled) + { + mLayerNormalMappingEnabled = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setLayerParallaxMappingEnabled(bool enabled) + { + if (enabled != mLayerParallaxMappingEnabled) + { + mLayerParallaxMappingEnabled = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setLayerSpecularMappingEnabled(bool enabled) + { + if (enabled != mLayerSpecularMappingEnabled) + { + mLayerSpecularMappingEnabled = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setGlobalColourMapEnabled(bool enabled) + { + if (enabled != mGlobalColourMapEnabled) + { + mGlobalColourMapEnabled = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setLightmapEnabled(bool enabled) + { + if (enabled != mLightmapEnabled) + { + mLightmapEnabled = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setCompositeMapEnabled(bool enabled) + { + if (enabled != mCompositeMapEnabled) + { + mCompositeMapEnabled = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setReceiveDynamicShadowsEnabled(bool enabled) + { + if (enabled != mReceiveDynamicShadows) + { + mReceiveDynamicShadows = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setReceiveDynamicShadowsPSSM(PSSMShadowCameraSetup* pssmSettings) + { + if (pssmSettings != mPSSM) + { + mPSSM = pssmSettings; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setReceiveDynamicShadowsDepth(bool enabled) + { + if (enabled != mDepthShadows) + { + mDepthShadows = enabled; + mParent->_markChanged(); + } + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::setReceiveDynamicShadowsLowLod(bool enabled) + { + if (enabled != mLowLodShadows) + { + mLowLodShadows = enabled; + mParent->_markChanged(); + } + } + //--------------------------------------------------------------------- + uint8 TerrainMaterialGeneratorB::SM2Profile::getMaxLayers(const Terrain* terrain) const + { + // count the texture units free + uint8 freeTextureUnits = 16; + // lightmap + --freeTextureUnits; + // normalmap + --freeTextureUnits; + // colourmap + if (terrain->getGlobalColourMapEnabled()) + --freeTextureUnits; + if (isShadowingEnabled(HIGH_LOD, terrain)) + { + uint numShadowTextures = 1; + if (getReceiveDynamicShadowsPSSM()) + { + numShadowTextures = getReceiveDynamicShadowsPSSM()->getSplitCount(); + } + freeTextureUnits -= numShadowTextures; + } + + // each layer needs 2.25 units (1xdiffusespec, 1xnormalheight, 0.25xblend) + return static_cast(freeTextureUnits / 2.25f); + + + } + //--------------------------------------------------------------------- + MaterialPtr TerrainMaterialGeneratorB::SM2Profile::generate(const Terrain* terrain) + { + // re-use old material if exists + MaterialPtr mat = terrain->_getMaterial(); + if (mat.isNull()) + { + MaterialManager& matMgr = MaterialManager::getSingleton(); + + // it's important that the names are deterministic for a given terrain, so + // use the terrain pointer as an ID + const String& matName = terrain->getMaterialName(); + mat = matMgr.getByName(matName); + if (mat.isNull()) + { + mat = matMgr.create(matName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); + } + } + // clear everything + mat->removeAllTechniques(); + + // Automatically disable normal & parallax mapping if card cannot handle it + // We do this rather than having a specific technique for it since it's simpler + GpuProgramManager& gmgr = GpuProgramManager::getSingleton(); + if (!gmgr.isSyntaxSupported("ps_3_0") && !gmgr.isSyntaxSupported("ps_2_x") + && !gmgr.isSyntaxSupported("fp40") && !gmgr.isSyntaxSupported("arbfp1")) + { + setLayerNormalMappingEnabled(false); + setLayerParallaxMappingEnabled(false); + } + + addTechnique(mat, terrain, HIGH_LOD); + + // LOD + if(mCompositeMapEnabled) + { + addTechnique(mat, terrain, LOW_LOD); + Material::LodValueList lodValues; + lodValues.push_back(TerrainGlobalOptions::getSingleton().getCompositeMapDistance()); + mat->setLodLevels(lodValues); + Technique* lowLodTechnique = mat->getTechnique(1); + lowLodTechnique->setLodIndex(1); + } + + updateParams(mat, terrain); + + return mat; + + } + //--------------------------------------------------------------------- + MaterialPtr TerrainMaterialGeneratorB::SM2Profile::generateForCompositeMap(const Terrain* terrain) + { + // re-use old material if exists + MaterialPtr mat = terrain->_getCompositeMapMaterial(); + if (mat.isNull()) + { + MaterialManager& matMgr = MaterialManager::getSingleton(); + + // it's important that the names are deterministic for a given terrain, so + // use the terrain pointer as an ID + const String& matName = terrain->getMaterialName() + "/comp"; + mat = matMgr.getByName(matName); + if (mat.isNull()) + { + mat = matMgr.create(matName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); + } + } + // clear everything + mat->removeAllTechniques(); + + addTechnique(mat, terrain, RENDER_COMPOSITE_MAP); + + updateParamsForCompositeMap(mat, terrain); + + return mat; + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::addTechnique( + const MaterialPtr& mat, const Terrain* terrain, TechniqueType tt) + { + + Technique* tech = mat->createTechnique(); + + // Only supporting one pass + Pass* pass = tech->createPass(); + + GpuProgramManager& gmgr = GpuProgramManager::getSingleton(); + HighLevelGpuProgramManager& hmgr = HighLevelGpuProgramManager::getSingleton(); + if (!mShaderGen) + { + bool check2x = mLayerNormalMappingEnabled || mLayerParallaxMappingEnabled; + if (hmgr.isLanguageSupported("cg")) + mShaderGen = OGRE_NEW ShaderHelperCg(); + else if (hmgr.isLanguageSupported("hlsl") && + ((check2x && gmgr.isSyntaxSupported("ps_2_x")) || + (!check2x && gmgr.isSyntaxSupported("ps_2_0")))) + mShaderGen = OGRE_NEW ShaderHelperHLSL(); + else if (hmgr.isLanguageSupported("glsl")) + mShaderGen = OGRE_NEW ShaderHelperGLSL(); + else + { + // todo + } + + // check SM3 features + mSM3Available = GpuProgramManager::getSingleton().isSyntaxSupported("ps_3_0"); + + } + HighLevelGpuProgramPtr vprog = mShaderGen->generateVertexProgram(this, terrain, tt); + HighLevelGpuProgramPtr fprog = mShaderGen->generateFragmentProgram(this, terrain, tt); + + pass->setVertexProgram(vprog->getName()); + pass->setFragmentProgram(fprog->getName()); + + if (tt == HIGH_LOD || tt == RENDER_COMPOSITE_MAP) + { + // global normal map + TextureUnitState* tu = pass->createTextureUnitState(); + tu->setTextureName(terrain->getTerrainNormalMap()->getName()); + tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP); + + // global colour map + if (terrain->getGlobalColourMapEnabled() && isGlobalColourMapEnabled()) + { + tu = pass->createTextureUnitState(terrain->getGlobalColourMap()->getName()); + tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP); + } + + // light map + if (isLightmapEnabled()) + { + tu = pass->createTextureUnitState(terrain->getLightmap()->getName()); + tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP); + } + + // blend maps + uint maxLayers = getMaxLayers(terrain); + uint numBlendTextures = std::min(terrain->getBlendTextureCount(maxLayers), terrain->getBlendTextureCount()); + uint numLayers = std::min(maxLayers, static_cast(terrain->getLayerCount())); + for (uint i = 0; i < numBlendTextures; ++i) + { + tu = pass->createTextureUnitState(terrain->getBlendTextureName(i)); + tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP); + } + + // layer textures + for (uint i = 0; i < numLayers; ++i) + { + // diffuse / specular + tu = pass->createTextureUnitState(terrain->getLayerTextureName(i, 0)); + // normal / height + tu = pass->createTextureUnitState(terrain->getLayerTextureName(i, 1)); + } + + } + else + { + // LOW_LOD textures + // composite map + TextureUnitState* tu = pass->createTextureUnitState(); + tu->setTextureName(terrain->getCompositeMap()->getName()); + tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP); + + // That's it! + + } + + // Add shadow textures (always at the end) + if (isShadowingEnabled(tt, terrain)) + { + uint numTextures = 1; + if (getReceiveDynamicShadowsPSSM()) + { + numTextures = getReceiveDynamicShadowsPSSM()->getSplitCount(); + } + for (uint i = 0; i < numTextures; ++i) + { + TextureUnitState* tu = pass->createTextureUnitState(); + tu->setContentType(TextureUnitState::CONTENT_SHADOW); + tu->setTextureAddressingMode(TextureUnitState::TAM_BORDER); + tu->setTextureBorderColour(ColourValue::White); + } + } + + } + //--------------------------------------------------------------------- + bool TerrainMaterialGeneratorB::SM2Profile::isShadowingEnabled(TechniqueType tt, const Terrain* terrain) const + { + return getReceiveDynamicShadowsEnabled() && tt != RENDER_COMPOSITE_MAP && + (tt != LOW_LOD || mLowLodShadows) && + terrain->getSceneManager()->isShadowTechniqueTextureBased(); + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::updateParams(const MaterialPtr& mat, const Terrain* terrain) + { + mShaderGen->updateParams(this, mat, terrain, false); + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::updateParamsForCompositeMap(const MaterialPtr& mat, const Terrain* terrain) + { + mShaderGen->updateParams(this, mat, terrain, true); + } + //--------------------------------------------------------------------- + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::generateVertexProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramPtr ret = createVertexProgram(prof, terrain, tt); + + StringUtil::StrStreamType sourceStr; + generateVertexProgramSource(prof, terrain, tt, sourceStr); + ret->setSource(sourceStr.str()); + ret->load(); + defaultVpParams(prof, terrain, tt, ret); +#if OGRE_DEBUG_MODE + LogManager::getSingleton().stream(LML_TRIVIAL) << "*** Terrain Vertex Program: " + << ret->getName() << " ***\n" << ret->getSource() << "\n*** ***"; +#endif + + return ret; + + } + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::generateFragmentProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramPtr ret = createFragmentProgram(prof, terrain, tt); + + StringUtil::StrStreamType sourceStr; + generateFragmentProgramSource(prof, terrain, tt, sourceStr); + ret->setSource(sourceStr.str()); + ret->load(); + defaultFpParams(prof, terrain, tt, ret); + +#if OGRE_DEBUG_MODE + LogManager::getSingleton().stream(LML_TRIVIAL) << "*** Terrain Fragment Program: " + << ret->getName() << " ***\n" << ret->getSource() << "\n*** ***"; +#endif + + return ret; + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::generateVertexProgramSource( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + generateVpHeader(prof, terrain, tt, outStream); + + if (tt != LOW_LOD) + { + uint maxLayers = prof->getMaxLayers(terrain); + uint numLayers = std::min(maxLayers, static_cast(terrain->getLayerCount())); + + for (uint i = 0; i < numLayers; ++i) + generateVpLayer(prof, terrain, tt, i, outStream); + } + + generateVpFooter(prof, terrain, tt, outStream); + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::generateFragmentProgramSource( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + generateFpHeader(prof, terrain, tt, outStream); + + if (tt != LOW_LOD) + { + uint maxLayers = prof->getMaxLayers(terrain); + uint numLayers = std::min(maxLayers, static_cast(terrain->getLayerCount())); + + for (uint i = 0; i < numLayers; ++i) + generateFpLayer(prof, terrain, tt, i, outStream); + } + + generateFpFooter(prof, terrain, tt, outStream); + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::defaultVpParams( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog) + { + GpuProgramParametersSharedPtr params = prog->getDefaultParameters(); + params->setIgnoreMissingParams(true); + params->setNamedAutoConstant("worldMatrix", GpuProgramParameters::ACT_WORLD_MATRIX); + params->setNamedAutoConstant("viewProjMatrix", GpuProgramParameters::ACT_VIEWPROJ_MATRIX); + params->setNamedAutoConstant("lodMorph", GpuProgramParameters::ACT_CUSTOM, + Terrain::LOD_MORPH_CUSTOM_PARAM); + params->setNamedAutoConstant("fogParams", GpuProgramParameters::ACT_FOG_PARAMS); + + if (prof->isShadowingEnabled(tt, terrain)) + { + uint numTextures = 1; + if (prof->getReceiveDynamicShadowsPSSM()) + { + numTextures = prof->getReceiveDynamicShadowsPSSM()->getSplitCount(); + } + for (uint i = 0; i < numTextures; ++i) + { + params->setNamedAutoConstant("texViewProjMatrix" + StringConverter::toString(i), + GpuProgramParameters::ACT_TEXTURE_VIEWPROJ_MATRIX, i); + if (prof->getReceiveDynamicShadowsDepth()) + { + params->setNamedAutoConstant("depthRange" + StringConverter::toString(i), + GpuProgramParameters::ACT_SHADOW_SCENE_DEPTH_RANGE, i); + } + } + } + + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::defaultFpParams( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog) + { + GpuProgramParametersSharedPtr params = prog->getDefaultParameters(); + params->setIgnoreMissingParams(true); + + params->setNamedAutoConstant("ambient", GpuProgramParameters::ACT_AMBIENT_LIGHT_COLOUR); + params->setNamedAutoConstant("lightPosObjSpace", GpuProgramParameters::ACT_LIGHT_POSITION_OBJECT_SPACE, 0); + params->setNamedAutoConstant("lightDiffuseColour", GpuProgramParameters::ACT_LIGHT_DIFFUSE_COLOUR, 0); + params->setNamedAutoConstant("lightSpecularColour", GpuProgramParameters::ACT_LIGHT_SPECULAR_COLOUR, 0); + params->setNamedAutoConstant("eyePosObjSpace", GpuProgramParameters::ACT_CAMERA_POSITION_OBJECT_SPACE); + params->setNamedAutoConstant("fogColour", GpuProgramParameters::ACT_FOG_COLOUR); + + if (prof->isShadowingEnabled(tt, terrain)) + { + uint numTextures = 1; + if (prof->getReceiveDynamicShadowsPSSM()) + { + PSSMShadowCameraSetup* pssm = prof->getReceiveDynamicShadowsPSSM(); + numTextures = pssm->getSplitCount(); + Vector4 splitPoints; + const PSSMShadowCameraSetup::SplitPointList& splitPointList = pssm->getSplitPoints(); + // Populate from split point 1, not 0, since split 0 isn't useful (usually 0) + for (uint i = 1; i < numTextures; ++i) + { + splitPoints[i-1] = splitPointList[i]; + } + params->setNamedConstant("pssmSplitPoints", splitPoints); + } + + if (prof->getReceiveDynamicShadowsDepth()) + { + size_t samplerOffset = (tt == HIGH_LOD) ? mShadowSamplerStartHi : mShadowSamplerStartLo; + for (uint i = 0; i < numTextures; ++i) + { + params->setNamedAutoConstant("inverseShadowmapSize" + StringConverter::toString(i), + GpuProgramParameters::ACT_INVERSE_TEXTURE_SIZE, i + samplerOffset); + } + } + } + + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::updateParams( + const SM2Profile* prof, const MaterialPtr& mat, const Terrain* terrain, bool compositeMap) + { + Pass* p = mat->getTechnique(0)->getPass(0); + if (compositeMap) + { + updateVpParams(prof, terrain, RENDER_COMPOSITE_MAP, p->getVertexProgramParameters()); + updateFpParams(prof, terrain, RENDER_COMPOSITE_MAP, p->getFragmentProgramParameters()); + } + else + { + // high lod + updateVpParams(prof, terrain, HIGH_LOD, p->getVertexProgramParameters()); + updateFpParams(prof, terrain, HIGH_LOD, p->getFragmentProgramParameters()); + + if(prof->isCompositeMapEnabled()) + { + // low lod + p = mat->getTechnique(1)->getPass(0); + updateVpParams(prof, terrain, LOW_LOD, p->getVertexProgramParameters()); + updateFpParams(prof, terrain, LOW_LOD, p->getFragmentProgramParameters()); + } + } + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::updateVpParams( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params) + { + params->setIgnoreMissingParams(true); + uint maxLayers = prof->getMaxLayers(terrain); + uint numLayers = std::min(maxLayers, static_cast(terrain->getLayerCount())); + uint numUVMul = numLayers / 4; + if (numLayers % 4) + ++numUVMul; + for (uint i = 0; i < numUVMul; ++i) + { + Vector4 uvMul( + terrain->getLayerUVMultiplier(i * 4), + terrain->getLayerUVMultiplier(i * 4 + 1), + terrain->getLayerUVMultiplier(i * 4 + 2), + terrain->getLayerUVMultiplier(i * 4 + 3) + ); + params->setNamedConstant("uvMul" + StringConverter::toString(i), uvMul); + } + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::updateFpParams( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params) + { + params->setIgnoreMissingParams(true); + // TODO - parameterise this? + Vector4 scaleBiasSpecular(0.03, -0.04, 32, 1); + params->setNamedConstant("scaleBiasSpecular", scaleBiasSpecular); + + } + //--------------------------------------------------------------------- + String TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::getChannel(uint idx) + { + uint rem = idx % 4; + switch(rem) + { + case 0: + default: + return "r"; + case 1: + return "g"; + case 2: + return "b"; + case 3: + return "a"; + }; + } + //--------------------------------------------------------------------- + String TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::getVertexProgramName( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + String progName = terrain->getMaterialName() + "/sm2/vp"; + + switch(tt) + { + case HIGH_LOD: + progName += "/hlod"; + break; + case LOW_LOD: + progName += "/llod"; + break; + case RENDER_COMPOSITE_MAP: + progName += "/comp"; + break; + } + + return progName; + + } + //--------------------------------------------------------------------- + String TerrainMaterialGeneratorB::SM2Profile::ShaderHelper::getFragmentProgramName( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + + String progName = terrain->getMaterialName() + "/sm2/fp"; + + switch(tt) + { + case HIGH_LOD: + progName += "/hlod"; + break; + case LOW_LOD: + progName += "/llod"; + break; + case RENDER_COMPOSITE_MAP: + progName += "/comp"; + break; + } + + return progName; + } + //--------------------------------------------------------------------- + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::createVertexProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton(); + String progName = getVertexProgramName(prof, terrain, tt); + HighLevelGpuProgramPtr ret = mgr.getByName(progName); + if (ret.isNull()) + { + ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, + "cg", GPT_VERTEX_PROGRAM); + } + else + { + ret->unload(); + } + + ret->setParameter("profiles", "vs_3_0 vs_2_0 arbvp1"); + ret->setParameter("entry_point", "main_vp"); + + return ret; + + } + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::createFragmentProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton(); + String progName = getFragmentProgramName(prof, terrain, tt); + + HighLevelGpuProgramPtr ret = mgr.getByName(progName); + if (ret.isNull()) + { + ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, + "cg", GPT_FRAGMENT_PROGRAM); + } + else + { + ret->unload(); + } + + if(prof->isLayerNormalMappingEnabled() || prof->isLayerParallaxMappingEnabled()) + ret->setParameter("profiles", "ps_3_0 ps_2_x fp40 arbfp1"); + else + ret->setParameter("profiles", "ps_3_0 ps_2_0 fp30 arbfp1"); + ret->setParameter("entry_point", "main_fp"); + + return ret; + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateVpHeader( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + outStream << + "void main_vp(\n" + "float4 pos : POSITION,\n" + "float2 uv : TEXCOORD0,\n"; + if (tt != RENDER_COMPOSITE_MAP) + outStream << "float2 delta : TEXCOORD1,\n"; // lodDelta, lodThreshold + + outStream << + "uniform float4x4 worldMatrix,\n" + "uniform float4x4 viewProjMatrix,\n" + "uniform float2 lodMorph,\n"; // morph amount, morph LOD target + + // uv multipliers + uint maxLayers = prof->getMaxLayers(terrain); + uint numLayers = std::min(maxLayers, static_cast(terrain->getLayerCount())); + uint numUVMultipliers = (numLayers / 4); + if (numLayers % 4) + ++numUVMultipliers; + for (uint i = 0; i < numUVMultipliers; ++i) + outStream << "uniform float4 uvMul" << i << ", \n"; + + outStream << + "out float4 oPos : POSITION,\n" + "out float4 oPosObj : TEXCOORD0 \n"; + + uint texCoordSet = 1; + outStream << + ", out float4 oUVMisc : TEXCOORD" << texCoordSet++ <<" // xy = uv, z = camDepth\n"; + + // layer UV's premultiplied, packed as xy/zw + uint numUVSets = numLayers / 2; + if (numLayers % 2) + ++numUVSets; + if (tt != LOW_LOD) + { + for (uint i = 0; i < numUVSets; ++i) + { + outStream << + ", out float4 oUV" << i << " : TEXCOORD" << texCoordSet++ << "\n"; + } + } + + if (prof->getParent()->getDebugLevel() && tt != RENDER_COMPOSITE_MAP) + { + outStream << ", out float2 lodInfo : TEXCOORD" << texCoordSet++ << "\n"; + } + + bool fog = terrain->getSceneManager()->getFogMode() != FOG_NONE && tt != RENDER_COMPOSITE_MAP; + if (fog) + { + outStream << + ", uniform float4 fogParams\n" + ", out float fogVal : COLOR\n"; + } + + if (prof->isShadowingEnabled(tt, terrain)) + { + texCoordSet = generateVpDynamicShadowsParams(texCoordSet, prof, terrain, tt, outStream); + } + + // check we haven't exceeded texture coordinates + if (texCoordSet > 8) + { + OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, + "Requested options require too many texture coordinate sets! Try reducing the number of layers.", + __FUNCTION__); + } + + outStream << + ")\n" + "{\n" + " float4 worldPos = mul(worldMatrix, pos);\n" + " oPosObj = pos;\n"; + + if (tt != RENDER_COMPOSITE_MAP) + { + // determine whether to apply the LOD morph to this vertex + // we store the deltas against all vertices so we only want to apply + // the morph to the ones which would disappear. The target LOD which is + // being morphed to is stored in lodMorph.y, and the LOD at which + // the vertex should be morphed is stored in uv.w. If we subtract + // the former from the latter, and arrange to only morph if the + // result is negative (it will only be -1 in fact, since after that + // the vertex will never be indexed), we will achieve our aim. + // sign(vertexLOD - targetLOD) == -1 is to morph + outStream << + " float toMorph = -min(0, sign(delta.y - lodMorph.y));\n"; + // this will either be 1 (morph) or 0 (don't morph) + if (prof->getParent()->getDebugLevel()) + { + // x == LOD level (-1 since value is target level, we want to display actual) + outStream << "lodInfo.x = (lodMorph.y - 1) / " << terrain->getNumLodLevels() << ";\n"; + // y == LOD morph + outStream << "lodInfo.y = toMorph * lodMorph.x;\n"; + } + + // morph + switch (terrain->getAlignment()) + { + case Terrain::ALIGN_X_Y: + outStream << " worldPos.z += delta.x * toMorph * lodMorph.x;\n"; + break; + case Terrain::ALIGN_X_Z: + outStream << " worldPos.y += delta.x * toMorph * lodMorph.x;\n"; + break; + case Terrain::ALIGN_Y_Z: + outStream << " worldPos.x += delta.x * toMorph * lodMorph.x;\n"; + break; + }; + } + + + // generate UVs + if (tt != LOW_LOD) + { + for (uint i = 0; i < numUVSets; ++i) + { + uint layer = i * 2; + uint uvMulIdx = layer / 4; + + outStream << + " oUV" << i << ".xy = " << " uv.xy * uvMul" << uvMulIdx << "." << getChannel(layer) << ";\n"; + outStream << + " oUV" << i << ".zw = " << " uv.xy * uvMul" << uvMulIdx << "." << getChannel(layer+1) << ";\n"; + + } + + } + + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateFpHeader( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + + // Main header + outStream << + // helpers + "float4 expand(float4 v)\n" + "{ \n" + " return v * 2 - 1;\n" + "}\n\n\n"; + + if (prof->isShadowingEnabled(tt, terrain)) + generateFpDynamicShadowsHelpers(prof, terrain, tt, outStream); + + + outStream << + "float4 main_fp(\n" + "float4 position : TEXCOORD0,\n"; + + uint texCoordSet = 1; + outStream << + "float4 uvMisc : TEXCOORD" << texCoordSet++ << ",\n"; + + // UV's premultiplied, packed as xy/zw + uint maxLayers = prof->getMaxLayers(terrain); + uint numBlendTextures = std::min(terrain->getBlendTextureCount(maxLayers), terrain->getBlendTextureCount()); + uint numLayers = std::min(maxLayers, static_cast(terrain->getLayerCount())); + uint numUVSets = numLayers / 2; + if (numLayers % 2) + ++numUVSets; + if (tt != LOW_LOD) + { + for (uint i = 0; i < numUVSets; ++i) + { + outStream << + "float4 layerUV" << i << " : TEXCOORD" << texCoordSet++ << ", \n"; + } + + } + if (prof->getParent()->getDebugLevel() && tt != RENDER_COMPOSITE_MAP) + { + outStream << "float2 lodInfo : TEXCOORD" << texCoordSet++ << ", \n"; + } + + bool fog = terrain->getSceneManager()->getFogMode() != FOG_NONE && tt != RENDER_COMPOSITE_MAP; + if (fog) + { + outStream << + "uniform float3 fogColour, \n" + "float fogVal : COLOR,\n"; + } + + uint currentSamplerIdx = 0; + + outStream << + // Only 1 light supported in this version + // deferred shading profile / generator later, ok? :) + "uniform float3 ambient,\n" + "uniform float4 lightPosObjSpace,\n" + "uniform float3 lightDiffuseColour,\n" + "uniform float3 lightSpecularColour,\n" + "uniform float3 eyePosObjSpace,\n" + // pack scale, bias and specular + "uniform float4 scaleBiasSpecular,\n"; + + if (tt == LOW_LOD) + { + // single composite map covers all the others below + outStream << + "uniform sampler2D compositeMap : register(s" << currentSamplerIdx++ << ")\n"; + } + else + { + outStream << + "uniform sampler2D globalNormal : register(s" << currentSamplerIdx++ << ")\n"; + + + if (terrain->getGlobalColourMapEnabled() && prof->isGlobalColourMapEnabled()) + { + outStream << ", uniform sampler2D globalColourMap : register(s" + << currentSamplerIdx++ << ")\n"; + } + if (prof->isLightmapEnabled()) + { + outStream << ", uniform sampler2D lightMap : register(s" + << currentSamplerIdx++ << ")\n"; + } + // Blend textures - sampler definitions + for (uint i = 0; i < numBlendTextures; ++i) + { + outStream << ", uniform sampler2D blendTex" << i + << " : register(s" << currentSamplerIdx++ << ")\n"; + } + + // Layer textures - sampler definitions & UV multipliers + for (uint i = 0; i < numLayers; ++i) + { + outStream << ", uniform sampler2D difftex" << i + << " : register(s" << currentSamplerIdx++ << ")\n"; + outStream << ", uniform sampler2D normtex" << i + << " : register(s" << currentSamplerIdx++ << ")\n"; + } + } + + if (prof->isShadowingEnabled(tt, terrain)) + { + generateFpDynamicShadowsParams(&texCoordSet, ¤tSamplerIdx, prof, terrain, tt, outStream); + } + + // check we haven't exceeded samplers + if (currentSamplerIdx > 16) + { + OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, + "Requested options require too many texture samplers! Try reducing the number of layers.", + __FUNCTION__); + } + + outStream << + ") : COLOR\n" + "{\n" + " float4 outputCol;\n" + " float shadow = 1.0;\n" + " float2 uv = uvMisc.xy;\n" + // base colour + " outputCol = float4(0,0,0,1);\n"; + + if (tt != LOW_LOD) + { + outStream << + // global normal + " float3 normal = expand(tex2D(globalNormal, uv)).rgb;\n"; + + } + + outStream << + " float3 lightDir = \n" + " lightPosObjSpace.xyz - (position.xyz * lightPosObjSpace.w);\n" + " float3 eyeDir = eyePosObjSpace - position.xyz;\n" + + // set up accumulation areas + " float3 diffuse = float3(0,0,0);\n" + " float specular = 0;\n"; + + + if (tt == LOW_LOD) + { + // we just do a single calculation from composite map + outStream << + " float4 composite = tex2D(compositeMap, uv);\n" + " diffuse = composite.rgb;\n"; + // TODO - specular; we'll need normals for this! + } + else + { + // set up the blend values + for (uint i = 0; i < numBlendTextures; ++i) + { + outStream << " float4 blendTexVal" << i << " = tex2D(blendTex" << i << ", uv);\n"; + } + + if (prof->isLayerNormalMappingEnabled()) + { + // derive the tangent space basis + // we do this in the pixel shader because we don't have per-vertex normals + // because of the LOD, we use a normal map + // tangent is always +x or -z in object space depending on alignment + switch(terrain->getAlignment()) + { + case Terrain::ALIGN_X_Y: + case Terrain::ALIGN_X_Z: + outStream << " float3 tangent = float3(1, 0, 0);\n"; + break; + case Terrain::ALIGN_Y_Z: + outStream << " float3 tangent = float3(0, 0, -1);\n"; + break; + }; + + outStream << " float3 binormal = normalize(cross(tangent, normal));\n"; + // note, now we need to re-cross to derive tangent again because it wasn't orthonormal + outStream << " tangent = normalize(cross(normal, binormal));\n"; + // derive final matrix + outStream << " float3x3 TBN = float3x3(tangent, binormal, normal);\n"; + + // set up lighting result placeholders for interpolation + outStream << " float4 litRes, litResLayer;\n"; + outStream << " float3 TSlightDir, TSeyeDir, TShalfAngle, TSnormal;\n"; + if (prof->isLayerParallaxMappingEnabled()) + outStream << " float displacement;\n"; + // move + outStream << " TSlightDir = normalize(mul(TBN, lightDir));\n"; + outStream << " TSeyeDir = normalize(mul(TBN, eyeDir));\n"; + + } + else + { + // simple per-pixel lighting with no normal mapping + outStream << " lightDir = normalize(lightDir);\n"; + outStream << " eyeDir = normalize(eyeDir);\n"; + outStream << " float3 halfAngle = normalize(lightDir + eyeDir);\n"; + outStream << " float4 litRes = lit(dot(lightDir, normal), dot(halfAngle, normal), scaleBiasSpecular.z);\n"; + + } + } + + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateVpLayer( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) + { + // nothing to do + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateFpLayer( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) + { + uint uvIdx = layer / 2; + String uvChannels = layer % 2 ? ".zw" : ".xy"; + uint blendIdx = (layer-1) / 4; + String blendChannel = getChannel(layer-1); + String blendWeightStr = String("blendTexVal") + StringConverter::toString(blendIdx) + + "." + blendChannel; + + // generate early-out conditional + /* Disable - causing some issues even when trying to force the use of texldd + if (layer && prof->_isSM3Available()) + outStream << " if (" << blendWeightStr << " > 0.0003)\n { \n"; + */ + + // generate UV + outStream << " float2 uv" << layer << " = layerUV" << uvIdx << uvChannels << ";\n"; + + // calculate lighting here if normal mapping + if (prof->isLayerNormalMappingEnabled()) + { + if (prof->isLayerParallaxMappingEnabled() && tt != RENDER_COMPOSITE_MAP) + { + // modify UV - note we have to sample an extra time + outStream << " displacement = tex2D(normtex" << layer << ", uv" << layer << ").a\n" + " * scaleBiasSpecular.x + scaleBiasSpecular.y;\n"; + outStream << " uv" << layer << " += TSeyeDir.xy * displacement;\n"; + } + + // access TS normal map + outStream << " TSnormal = expand(tex2D(normtex" << layer << ", uv" << layer << ")).rgb;\n"; + outStream << " TShalfAngle = normalize(TSlightDir + TSeyeDir);\n"; + outStream << " litResLayer = lit(dot(TSlightDir, TSnormal), dot(TShalfAngle, TSnormal), scaleBiasSpecular.z);\n"; + if (!layer) + outStream << " litRes = litResLayer;\n"; + else + outStream << " litRes = lerp(litRes, litResLayer, " << blendWeightStr << ");\n"; + + } + + // sample diffuse texture + outStream << " float4 diffuseSpecTex" << layer + << " = tex2D(difftex" << layer << ", uv" << layer << ");\n"; + + // apply to common + if (!layer) + { + outStream << " diffuse = diffuseSpecTex0.rgb;\n"; + if (prof->isLayerSpecularMappingEnabled()) + outStream << " specular = diffuseSpecTex0.a;\n"; + } + else + { + outStream << " diffuse = lerp(diffuse, diffuseSpecTex" << layer + << ".rgb, " << blendWeightStr << ");\n"; + if (prof->isLayerSpecularMappingEnabled()) + outStream << " specular = lerp(specular, diffuseSpecTex" << layer + << ".a, " << blendWeightStr << ");\n"; + + } + + // End early-out + /* Disable - causing some issues even when trying to force the use of texldd + if (layer && prof->_isSM3Available()) + outStream << " } // early-out blend value\n"; + */ + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateVpFooter( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + + outStream << + " oPos = mul(viewProjMatrix, worldPos);\n" + " oUVMisc.xy = uv.xy;\n"; + + bool fog = terrain->getSceneManager()->getFogMode() != FOG_NONE && tt != RENDER_COMPOSITE_MAP; + if (fog) + { + if (terrain->getSceneManager()->getFogMode() == FOG_LINEAR) + { + outStream << + " fogVal = saturate((oPos.z - fogParams.y) * fogParams.w);\n"; + } + else + { + outStream << + " fogVal = saturate(1 / (exp(oPos.z * fogParams.x)));\n"; + } + } + + if (prof->isShadowingEnabled(tt, terrain)) + generateVpDynamicShadows(prof, terrain, tt, outStream); + + outStream << + "}\n"; + + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateFpFooter( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + + if (tt == LOW_LOD) + { + if (prof->isShadowingEnabled(tt, terrain)) + { + generateFpDynamicShadows(prof, terrain, tt, outStream); + outStream << + " outputCol.rgb = diffuse * rtshadow;\n"; + } + else + { + outStream << + " outputCol.rgb = diffuse;\n"; + } + } + else + { + if (terrain->getGlobalColourMapEnabled() && prof->isGlobalColourMapEnabled()) + { + // sample colour map and apply to diffuse + outStream << " diffuse *= tex2D(globalColourMap, uv).rgb;\n"; + } + if (prof->isLightmapEnabled()) + { + // sample lightmap + outStream << " shadow = tex2D(lightMap, uv).r;\n"; + } + + if (prof->isShadowingEnabled(tt, terrain)) + { + generateFpDynamicShadows(prof, terrain, tt, outStream); + } + + // diffuse lighting + outStream << " outputCol.rgb += ambient * diffuse + litRes.y * lightDiffuseColour * diffuse * shadow;\n"; + + // specular default + if (!prof->isLayerSpecularMappingEnabled()) + outStream << " specular = 1.0;\n"; + + if (tt == RENDER_COMPOSITE_MAP) + { + // Lighting embedded in alpha + outStream << + " outputCol.a = shadow;\n"; + + } + else + { + // Apply specular + outStream << " outputCol.rgb += litRes.z * lightSpecularColour * specular * shadow;\n"; + + if (prof->getParent()->getDebugLevel()) + { + outStream << " outputCol.rg += lodInfo.xy;\n"; + } + } + } + + bool fog = terrain->getSceneManager()->getFogMode() != FOG_NONE && tt != RENDER_COMPOSITE_MAP; + if (fog) + { + outStream << " outputCol.rgb = lerp(outputCol.rgb, fogColour, fogVal);\n"; + } + + // Final return + outStream << " return outputCol;\n" + << "}\n"; + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateFpDynamicShadowsHelpers( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + // TODO make filtering configurable + outStream << + "// Simple PCF \n" + "// Number of samples in one dimension (square for total samples) \n" + "#define NUM_SHADOW_SAMPLES_1D 2.0 \n" + "#define SHADOW_FILTER_SCALE 1 \n" + + "#define SHADOW_SAMPLES NUM_SHADOW_SAMPLES_1D*NUM_SHADOW_SAMPLES_1D \n" + + "float4 offsetSample(float4 uv, float2 offset, float invMapSize) \n" + "{ \n" + " return float4(uv.xy + offset * invMapSize * uv.w, uv.z, uv.w); \n" + "} \n"; + + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + "float calcDepthShadow(sampler2D shadowMap, float4 uv, float invShadowMapSize) \n" + "{ \n" + " // 4-sample PCF \n" + + " float shadow = 0.0; \n" + " float offset = (NUM_SHADOW_SAMPLES_1D/2 - 0.5) * SHADOW_FILTER_SCALE; \n" + " for (float y = -offset; y <= offset; y += SHADOW_FILTER_SCALE) \n" + " for (float x = -offset; x <= offset; x += SHADOW_FILTER_SCALE) \n" + " { \n" + " float4 newUV = offsetSample(uv, float2(x, y), invShadowMapSize);\n" + " // manually project and assign derivatives \n" + " // to avoid gradient issues inside loops \n" + " newUV = newUV / newUV.w; \n" + " float depth = tex2D(shadowMap, newUV.xy, 1, 1).x; \n" + " if (depth >= 1 || depth >= uv.z)\n" + " shadow += 1.0;\n" + " } \n" + + " shadow /= SHADOW_SAMPLES; \n" + + " return shadow; \n" + "} \n"; + } + else + { + outStream << + "float calcSimpleShadow(sampler2D shadowMap, float4 shadowMapPos) \n" + "{ \n" + " return tex2Dproj(shadowMap, shadowMapPos).x; \n" + "} \n"; + + } + + if (prof->getReceiveDynamicShadowsPSSM()) + { + uint numTextures = prof->getReceiveDynamicShadowsPSSM()->getSplitCount(); + + + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + "float calcPSSMDepthShadow("; + } + else + { + outStream << + "float calcPSSMSimpleShadow("; + } + + outStream << "\n "; + for (uint i = 0; i < numTextures; ++i) + outStream << "sampler2D shadowMap" << i << ", "; + outStream << "\n "; + for (uint i = 0; i < numTextures; ++i) + outStream << "float4 lsPos" << i << ", "; + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << "\n "; + for (uint i = 0; i < numTextures; ++i) + outStream << "float invShadowmapSize" << i << ", "; + } + outStream << "\n" + " float4 pssmSplitPoints, float camDepth) \n" + "{ \n" + " float shadow; \n" + " // calculate shadow \n"; + + for (uint i = 0; i < numTextures; ++i) + { + if (!i) + outStream << " if (camDepth <= pssmSplitPoints." << ShaderHelper::getChannel(i) << ") \n"; + else if (i < numTextures - 1) + outStream << " else if (camDepth <= pssmSplitPoints." << ShaderHelper::getChannel(i) << ") \n"; + else + outStream << " else \n"; + + outStream << + " { \n"; + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + " shadow = calcDepthShadow(shadowMap" << i << ", lsPos" << i << ", invShadowmapSize" << i << "); \n"; + } + else + { + outStream << + " shadow = calcSimpleShadow(shadowMap" << i << ", lsPos" << i << "); \n"; + } + outStream << + " } \n"; + + } + + outStream << + " return shadow; \n" + "} \n\n\n"; + } + + + } + //--------------------------------------------------------------------- + uint TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateVpDynamicShadowsParams( + uint texCoord, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + // out semantics & params + uint numTextures = 1; + if (prof->getReceiveDynamicShadowsPSSM()) + { + numTextures = prof->getReceiveDynamicShadowsPSSM()->getSplitCount(); + } + for (uint i = 0; i < numTextures; ++i) + { + outStream << + ", out float4 oLightSpacePos" << i << " : TEXCOORD" << texCoord++ << " \n" << + ", uniform float4x4 texViewProjMatrix" << i << " \n"; + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + ", uniform float4 depthRange" << i << " // x = min, y = max, z = range, w = 1/range \n"; + } + } + + return texCoord; + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateVpDynamicShadows( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + uint numTextures = 1; + if (prof->getReceiveDynamicShadowsPSSM()) + { + numTextures = prof->getReceiveDynamicShadowsPSSM()->getSplitCount(); + } + + // Calculate the position of vertex in light space + for (uint i = 0; i < numTextures; ++i) + { + outStream << + " oLightSpacePos" << i << " = mul(texViewProjMatrix" << i << ", worldPos); \n"; + if (prof->getReceiveDynamicShadowsDepth()) + { + // make linear + outStream << + "oLightSpacePos" << i << ".z = (oLightSpacePos" << i << ".z - depthRange" << i << ".x) * depthRange" << i << ".w;\n"; + + } + } + + + if (prof->getReceiveDynamicShadowsPSSM()) + { + outStream << + " // pass cam depth\n" + " oUVMisc.z = oPos.z;\n"; + } + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateFpDynamicShadowsParams( + uint* texCoord, uint* sampler, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + if (tt == HIGH_LOD) + mShadowSamplerStartHi = *sampler; + else if (tt == LOW_LOD) + mShadowSamplerStartLo = *sampler; + + // in semantics & params + uint numTextures = 1; + if (prof->getReceiveDynamicShadowsPSSM()) + { + numTextures = prof->getReceiveDynamicShadowsPSSM()->getSplitCount(); + outStream << + ", uniform float4 pssmSplitPoints \n"; + } + for (uint i = 0; i < numTextures; ++i) + { + outStream << + ", float4 lightSpacePos" << i << " : TEXCOORD" << *texCoord << " \n" << + ", uniform sampler2D shadowMap" << i << " : register(s" << *sampler << ") \n"; + *sampler = *sampler + 1; + *texCoord = *texCoord + 1; + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + ", uniform float inverseShadowmapSize" << i << " \n"; + } + } + + } + //--------------------------------------------------------------------- + void TerrainMaterialGeneratorB::SM2Profile::ShaderHelperCg::generateFpDynamicShadows( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) + { + if (prof->getReceiveDynamicShadowsPSSM()) + { + uint numTextures = prof->getReceiveDynamicShadowsPSSM()->getSplitCount(); + outStream << + " float camDepth = uvMisc.z;\n"; + + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + " float rtshadow = calcPSSMDepthShadow("; + } + else + { + outStream << + " float rtshadow = calcPSSMSimpleShadow("; + } + for (uint i = 0; i < numTextures; ++i) + outStream << "shadowMap" << i << ", "; + outStream << "\n "; + + for (uint i = 0; i < numTextures; ++i) + outStream << "lightSpacePos" << i << ", "; + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << "\n "; + for (uint i = 0; i < numTextures; ++i) + outStream << "inverseShadowmapSize" << i << ", "; + } + outStream << "\n" << + " pssmSplitPoints, camDepth);\n"; + + } + else + { + if (prof->getReceiveDynamicShadowsDepth()) + { + outStream << + " float rtshadow = calcDepthShadow(shadowMap0, lightSpacePos0, inverseShadowmapSize0);"; + } + else + { + outStream << + " float rtshadow = calcSimpleShadow(shadowMap0, lightSpacePos0);"; + } + } + + outStream << + " shadow = min(shadow, rtshadow);\n"; + + } + //--------------------------------------------------------------------- + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelperHLSL::createVertexProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton(); + String progName = getVertexProgramName(prof, terrain, tt); + + HighLevelGpuProgramPtr ret = mgr.getByName(progName); + if (ret.isNull()) + { + ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, + "hlsl", GPT_VERTEX_PROGRAM); + } + else + { + ret->unload(); + } + + if (prof->_isSM3Available()) + ret->setParameter("target", "vs_3_0"); + else + ret->setParameter("target", "vs_2_0"); + ret->setParameter("entry_point", "main_vp"); + + return ret; + + } + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelperHLSL::createFragmentProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton(); + String progName = getFragmentProgramName(prof, terrain, tt); + + + HighLevelGpuProgramPtr ret = mgr.getByName(progName); + if (ret.isNull()) + { + ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, + "hlsl", GPT_FRAGMENT_PROGRAM); + } + else + { + ret->unload(); + } + + if (prof->_isSM3Available()) + ret->setParameter("target", "ps_3_0"); + else + ret->setParameter("target", "ps_2_x"); + ret->setParameter("entry_point", "main_fp"); + + return ret; + + } + //--------------------------------------------------------------------- + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelperGLSL::createVertexProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton(); + String progName = getVertexProgramName(prof, terrain, tt); + + switch(tt) + { + case HIGH_LOD: + progName += "/hlod"; + break; + case LOW_LOD: + progName += "/llod"; + break; + case RENDER_COMPOSITE_MAP: + progName += "/comp"; + break; + } + + HighLevelGpuProgramPtr ret = mgr.getByName(progName); + if (ret.isNull()) + { + ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, + "glsl", GPT_VERTEX_PROGRAM); + } + else + { + ret->unload(); + } + + return ret; + + } + //--------------------------------------------------------------------- + HighLevelGpuProgramPtr + TerrainMaterialGeneratorB::SM2Profile::ShaderHelperGLSL::createFragmentProgram( + const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) + { + HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton(); + String progName = getFragmentProgramName(prof, terrain, tt); + + HighLevelGpuProgramPtr ret = mgr.getByName(progName); + if (ret.isNull()) + { + ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, + "glsl", GPT_FRAGMENT_PROGRAM); + } + else + { + ret->unload(); + } + + return ret; + + } + + +} diff --git a/apps/openmw/mwrender/terrainmaterial.hpp b/apps/openmw/mwrender/terrainmaterial.hpp new file mode 100644 index 0000000000..eaa5572ee7 --- /dev/null +++ b/apps/openmw/mwrender/terrainmaterial.hpp @@ -0,0 +1,261 @@ +/* +----------------------------------------------------------------------------- +This source file is part of OGRE +(Object-oriented Graphics Rendering Engine) +For the latest info, see http://www.ogre3d.org/ + +Copyright (c) 2000-2011 Torus Knot Software Ltd + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +----------------------------------------------------------------------------- +*/ + +#ifndef __Ogre_TerrainMaterialGeneratorB_H__ +#define __Ogre_TerrainMaterialGeneratorB_H__ + +#include "OgreTerrainPrerequisites.h" +#include "OgreTerrainMaterialGenerator.h" +#include "OgreGpuProgramParams.h" + +namespace Ogre +{ + class PSSMShadowCameraSetup; + + /** \addtogroup Optional Components + * @{ + */ + /** \addtogroup Terrain + * Some details on the terrain component + * @{ + */ + + + /** A TerrainMaterialGenerator which can cope with normal mapped, specular mapped + terrain. + @note Requires the Cg plugin to render correctly + */ + class _OgreTerrainExport TerrainMaterialGeneratorB : public TerrainMaterialGenerator + { + public: + TerrainMaterialGeneratorB(); + ~TerrainMaterialGeneratorB(); + + /** Shader model 2 profile target. + */ + class _OgreTerrainExport SM2Profile : public TerrainMaterialGenerator::Profile + { + public: + SM2Profile(TerrainMaterialGenerator* parent, const String& name, const String& desc); + ~SM2Profile(); + MaterialPtr generate(const Terrain* terrain); + MaterialPtr generateForCompositeMap(const Terrain* terrain); + uint8 getMaxLayers(const Terrain* terrain) const; + void updateParams(const MaterialPtr& mat, const Terrain* terrain); + void updateParamsForCompositeMap(const MaterialPtr& mat, const Terrain* terrain); + void requestOptions(Terrain* terrain); + + /** Whether to support normal mapping per layer in the shader (default true). + */ + bool isLayerNormalMappingEnabled() const { return mLayerNormalMappingEnabled; } + /** Whether to support normal mapping per layer in the shader (default true). + */ + void setLayerNormalMappingEnabled(bool enabled); + /** Whether to support parallax mapping per layer in the shader (default true). + */ + bool isLayerParallaxMappingEnabled() const { return mLayerParallaxMappingEnabled; } + /** Whether to support parallax mapping per layer in the shader (default true). + */ + void setLayerParallaxMappingEnabled(bool enabled); + /** Whether to support specular mapping per layer in the shader (default true). + */ + bool isLayerSpecularMappingEnabled() const { return mLayerSpecularMappingEnabled; } + /** Whether to support specular mapping per layer in the shader (default true). + */ + void setLayerSpecularMappingEnabled(bool enabled); + /** Whether to support a global colour map over the terrain in the shader, + if it's present (default true). + */ + bool isGlobalColourMapEnabled() const { return mGlobalColourMapEnabled; } + /** Whether to support a global colour map over the terrain in the shader, + if it's present (default true). + */ + void setGlobalColourMapEnabled(bool enabled); + /** Whether to support a light map over the terrain in the shader, + if it's present (default true). + */ + bool isLightmapEnabled() const { return mLightmapEnabled; } + /** Whether to support a light map over the terrain in the shader, + if it's present (default true). + */ + void setLightmapEnabled(bool enabled); + /** Whether to use the composite map to provide a lower LOD technique + in the distance (default true). + */ + bool isCompositeMapEnabled() const { return mCompositeMapEnabled; } + /** Whether to use the composite map to provide a lower LOD technique + in the distance (default true). + */ + void setCompositeMapEnabled(bool enabled); + /** Whether to support dynamic texture shadows received from other + objects, on the terrain (default true). + */ + bool getReceiveDynamicShadowsEnabled() const { return mReceiveDynamicShadows; } + /** Whether to support dynamic texture shadows received from other + objects, on the terrain (default true). + */ + void setReceiveDynamicShadowsEnabled(bool enabled); + + /** Whether to use PSSM support dynamic texture shadows, and if so the + settings to use (default 0). + */ + void setReceiveDynamicShadowsPSSM(PSSMShadowCameraSetup* pssmSettings); + /** Whether to use PSSM support dynamic texture shadows, and if so the + settings to use (default 0). + */ + PSSMShadowCameraSetup* getReceiveDynamicShadowsPSSM() const { return mPSSM; } + /** Whether to use depth shadows (default false). + */ + void setReceiveDynamicShadowsDepth(bool enabled); + /** Whether to use depth shadows (default false). + */ + bool getReceiveDynamicShadowsDepth() const { return mDepthShadows; } + /** Whether to use shadows on low LOD material rendering (when using composite map) (default false). + */ + void setReceiveDynamicShadowsLowLod(bool enabled); + /** Whether to use shadows on low LOD material rendering (when using composite map) (default false). + */ + bool getReceiveDynamicShadowsLowLod() const { return mLowLodShadows; } + + /// Internal + bool _isSM3Available() const { return mSM3Available; } + + protected: + + enum TechniqueType + { + HIGH_LOD, + LOW_LOD, + RENDER_COMPOSITE_MAP + }; + void addTechnique(const MaterialPtr& mat, const Terrain* terrain, TechniqueType tt); + + /// Interface definition for helper class to generate shaders + class _OgreTerrainExport ShaderHelper : public TerrainAlloc + { + public: + ShaderHelper() {} + virtual ~ShaderHelper() {} + virtual HighLevelGpuProgramPtr generateVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + virtual HighLevelGpuProgramPtr generateFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + virtual void updateParams(const SM2Profile* prof, const MaterialPtr& mat, const Terrain* terrain, bool compositeMap); + protected: + virtual String getVertexProgramName(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + virtual String getFragmentProgramName(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + virtual HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) = 0; + virtual HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) = 0; + virtual void generateVertexProgramSource(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + virtual void generateFragmentProgramSource(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + virtual void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; + virtual void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; + virtual void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) = 0; + virtual void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) = 0; + virtual void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; + virtual void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; + virtual void defaultVpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog); + virtual void defaultFpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog); + virtual void updateVpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params); + virtual void updateFpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params); + static String getChannel(uint idx); + + size_t mShadowSamplerStartHi; + size_t mShadowSamplerStartLo; + + }; + + /// Utility class to help with generating shaders for Cg / HLSL. + class _OgreTerrainExport ShaderHelperCg : public ShaderHelper + { + protected: + HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream); + void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream); + void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + uint generateVpDynamicShadowsParams(uint texCoordStart, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateVpDynamicShadows(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateFpDynamicShadowsHelpers(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateFpDynamicShadowsParams(uint* texCoord, uint* sampler, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + void generateFpDynamicShadows(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); + }; + + class _OgreTerrainExport ShaderHelperHLSL : public ShaderHelperCg + { + protected: + HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + }; + + /// Utility class to help with generating shaders for GLSL. + class _OgreTerrainExport ShaderHelperGLSL : public ShaderHelper + { + protected: + HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); + void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} + void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} + void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) {} + void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) {} + void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} + void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} + }; + + ShaderHelper* mShaderGen; + bool mLayerNormalMappingEnabled; + bool mLayerParallaxMappingEnabled; + bool mLayerSpecularMappingEnabled; + bool mGlobalColourMapEnabled; + bool mLightmapEnabled; + bool mCompositeMapEnabled; + bool mReceiveDynamicShadows; + PSSMShadowCameraSetup* mPSSM; + bool mDepthShadows; + bool mLowLodShadows; + bool mSM3Available; + + bool isShadowingEnabled(TechniqueType tt, const Terrain* terrain) const; + + }; + + + + + }; + + + + /** @} */ + /** @} */ + + +} + +#endif