void UiManager::resizeTexture(const QSize &aSize, const Ogre::MaterialPtr &aMaterial, const Ogre::TexturePtr &aTexture) { assert(!aMaterial.isNull()); assert(!aTexture.isNull()); // get the smallest power of two dimension that is at least as large as the new UI size Ogre::uint newTexWidth = nextHigherPowerOfTwo(aSize.width()); Ogre::uint newTexHeight = nextHigherPowerOfTwo(aSize.height()); if (!aTexture.isNull()) { std::string txtrName = aTexture->getName(); // remove the old texture aTexture->unload(); aMaterial->getTechnique(0)->getPass(0)->removeAllTextureUnitStates(); Ogre::TextureManager::getSingleton().remove(aTexture->getHandle()); Ogre::TexturePtr newTxtr = Ogre::TextureManager::getSingleton().createManual( txtrName, "General", Ogre::TEX_TYPE_2D, newTexWidth, newTexHeight, 0, Ogre::PF_A8R8G8B8, Ogre::TU_DYNAMIC_WRITE_ONLY); // add the new texture Ogre::TextureUnitState* txtrUstate = aMaterial->getTechnique(0)->getPass(0)->createTextureUnitState(txtrName); // adjust it to stay aligned and scaled to the window Ogre::Real txtrUScale = (Ogre::Real)newTexWidth / aSize.width(); Ogre::Real txtrVScale = (Ogre::Real)newTexHeight / aSize.height(); txtrUstate->setTextureScale(txtrUScale, txtrVScale); txtrUstate->setTextureScroll((1 / txtrUScale) / 2 - 0.5, (1 / txtrVScale) / 2 - 0.5); } }
bool Simple::compileMaterial(Ogre::MaterialPtr material, std::set<std::string>& managedTextures) const { material->removeAllTechniques(); Ogre::Technique* technique = material->createTechnique(); if (!mTerrainPageSurfaces.empty()) { //First add a base pass auto surfaceLayer = mTerrainPageSurfaces.begin()->second; Ogre::Pass* pass = technique->createPass(); pass->setLightingEnabled(false); Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState(); textureUnitState->setTextureScale(1.0f / surfaceLayer->getScale(), 1.0f / surfaceLayer->getScale()); textureUnitState->setTextureName(surfaceLayer->getDiffuseTextureName()); textureUnitState->setTextureCoordSet(0); for (auto& layer : mLayers) { addPassToTechnique(*mGeometry, technique, layer, managedTextures); } } if (mTerrainPageShadow) { addShadow(technique, mTerrainPageShadow, material, managedTextures); } // addLightingPass(technique, managedTextures); material->load(); if (material->getNumSupportedTechniques() == 0) { S_LOG_WARNING("The material '" << material->getName() << "' has no supported techniques. The reason for this is: \n" << material->getUnsupportedTechniquesExplanation()); return false; } return true; }
bool Simple::compileMaterial(Ogre::MaterialPtr material) { material->removeAllTechniques(); Ogre::Technique* technique = material->createTechnique(); for (SurfaceLayerStore::const_iterator I = mTerrainPageSurfaces.begin(); I != mTerrainPageSurfaces.end(); ++I) { const TerrainPageSurfaceLayer* surfaceLayer = I->second; if (I == mTerrainPageSurfaces.begin()) { Ogre::Pass* pass = technique->createPass(); pass->setLightingEnabled(false); //add the first layer of the terrain, no alpha or anything Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState(); textureUnitState->setTextureScale(1.0f / surfaceLayer->getScale(), 1.0f / surfaceLayer->getScale()); textureUnitState->setTextureName(surfaceLayer->getDiffuseTextureName()); textureUnitState->setTextureCoordSet(0); } else { if (surfaceLayer->intersects(*mGeometry)) { addPassToTechnique(*mGeometry, technique, surfaceLayer); } } } if (mTerrainPageShadow) { addShadow(technique, mTerrainPageShadow, material); } material->load(); if (material->getNumSupportedTechniques() == 0) { S_LOG_WARNING("The material '" << material->getName() << "' has no supported techniques. The reason for this is: \n" << material->getUnsupportedTechniquesExplanation()); return false; } return true; }
void gkMaterialLoader::loadSubMeshMaterial(gkSubMesh* mesh, const gkString& group) { using namespace Ogre; gkMaterialProperties& gma = mesh->getMaterial(); if (gma.m_name.empty()) gma.m_name = "<gkBuiltin/DefaultMaterial>"; Ogre::MaterialPtr oma = Ogre::MaterialManager::getSingleton().getByName(gma.m_name.c_str(), group); if (!oma.isNull()) return; oma = Ogre::MaterialManager::getSingleton().create(gma.m_name, group); if (gma.m_mode & gkMaterialProperties::MA_INVISIBLE) { // disable writing to this material oma->setReceiveShadows(false); oma->setColourWriteEnabled(false); oma->setDepthWriteEnabled(false); oma->setDepthCheckEnabled(false); oma->setLightingEnabled(false); return; } if (gma.m_mode & gkMaterialProperties::MA_TWOSIDE) { oma->setCullingMode(Ogre::CULL_NONE); oma->setManualCullingMode(Ogre::MANUAL_CULL_NONE); } // apply lighting params bool enableLights = (gma.m_mode & gkMaterialProperties::MA_LIGHTINGENABLED) != 0; oma->setReceiveShadows((gma.m_mode & gkMaterialProperties::MA_RECEIVESHADOWS) != 0); oma->setLightingEnabled(enableLights); if (enableLights) { gkColor emissive, ambient, specular, diffuse; emissive = gma.m_diffuse * gma.m_emissive; ambient = gma.m_diffuse * gma.m_ambient; specular = gma.m_specular * gma.m_spec; diffuse = gma.m_diffuse * (gma.m_emissive + gma.m_refraction); emissive.a = ambient.a = specular.a = 1.f; oma->setSelfIllumination(emissive); oma->setAmbient(ambient); oma->setSpecular(specular); oma->setDiffuse(diffuse); oma->setShininess(gma.m_hardness); } Ogre::Pass* pass = oma->getTechnique(0)->getPass(0); bool matBlending = gkEngine::getSingleton().getUserDefs().matblending; if (matBlending && (gma.m_mode & gkMaterialProperties::MA_HASRAMPBLEND)) { switch (gma.m_rblend) { case GK_BT_MULTIPLY: pass->setSceneBlending(SBT_MODULATE); break; case GK_BT_SUBTRACT: pass->setSceneBlending(SBF_ONE_MINUS_SOURCE_COLOUR, SBF_ONE); break; case GK_BT_DARKEN: pass->setSceneBlendingOperation(SBO_MIN); pass->setSceneBlending(SBF_ONE, SBF_ONE); break; case GK_BT_LIGHTEN: pass->setSceneBlendingOperation(SBO_MAX); pass->setSceneBlending(SBF_ONE, SBF_ONE); break; case GK_BT_SCREEN: pass->setSceneBlending(SBF_ONE_MINUS_DEST_COLOUR, SBF_ONE); break; case GK_BT_ADDITIVE: pass->setSceneBlending(SBT_ADD); break; case GK_BT_MIXTURE: default: pass->setSceneBlending(SBF_ONE, SBF_ZERO); break; } } bool hasNormap = false; bool rtss = gkEngine::getSingleton().getUserDefs().rtss; for (int i = 0; i < gma.m_totaltex; ++i) { gkTextureProperties& gte = gma.m_textures[i]; #ifdef OGREKIT_USE_RTSHADER_SYSTEM if (gte.m_mode & gkTextureProperties::TM_NORMAL) { hasNormap = true; continue; } #endif Ogre::TextureUnitState* otus = pass->createTextureUnitState(gte.m_name, gte.m_layer); LayerBlendOperationEx op = LBX_MODULATE; switch (gte.m_blend) { case GK_BT_ADDITIVE: op = LBX_ADD; break; case GK_BT_SUBTRACT: op = LBX_SUBTRACT; break; case GK_BT_DARKEN: case GK_BT_LIGHTEN: case GK_BT_SCREEN: case GK_BT_COLOR: //break; TODO: support more mode case GK_BT_MULTIPLY: case GK_BT_MIXTURE: default: op = LBX_MODULATE; break; } if (i == 0) otus->setColourOperationEx(op, LBS_DIFFUSE, LBS_TEXTURE); else otus->setColourOperationEx(op); otus->setTextureScale(gte.m_scale[0],gte.m_scale[1]); } if (gma.m_mode & gkMaterialProperties::MA_ALPHABLEND) { pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA); pass->setDepthWriteEnabled(false); } if (gma.m_mode & gkMaterialProperties::MA_ALPHACLIP) { pass->setAlphaRejectSettings(Ogre::CMPF_GREATER_EQUAL, 254); } #ifdef OGREKIT_USE_RTSHADER_SYSTEM if (rtss) { //pass->setSpecular(ColourValue::Black); //pass->setShininess(0.0); RTShader::RenderState* rs = 0; RTShader::ShaderGenerator* sg = Ogre::RTShader::ShaderGenerator::getSingletonPtr(); bool ok = sg->createShaderBasedTechnique(gma.m_name, group, Ogre::MaterialManager::DEFAULT_SCHEME_NAME, Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME); if (ok && hasNormap) { rs = sg->getRenderState(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, gma.m_name, 0); rs->reset(); for (int i = 0; i < gma.m_totaltex; ++i) { gkTextureProperties& gte = gma.m_textures[i]; if (gte.m_mode & gkTextureProperties::TM_NORMAL) { GK_ASSERT(rs); RTShader::SubRenderState* srs= sg->createSubRenderState(RTShader::NormalMapLighting::Type); RTShader::NormalMapLighting* nsrs = static_cast<RTShader::NormalMapLighting*>(srs); if (gte.m_texmode & gkTextureProperties::TX_OBJ_SPACE) nsrs->setNormalMapSpace(RTShader::NormalMapLighting::NMS_OBJECT); else nsrs->setNormalMapSpace(RTShader::NormalMapLighting::NMS_TANGENT); nsrs->setNormalMapTextureName(gte.m_name); nsrs->setTexCoordIndex(gte.m_layer); rs->addTemplateSubRenderState(srs); } } sg->invalidateMaterial(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, gma.m_name); } } #endif }
Ogre::MaterialPtr MaterialGenerator::create(bool renderCompositeMap, bool displayCompositeMap) { assert(!renderCompositeMap || !displayCompositeMap); static int count = 0; std::stringstream name; name << "terrain/mat" << count++; if (!mShaders) { Ogre::MaterialPtr mat = Ogre::MaterialManager::getSingleton().create(name.str(), Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); Ogre::Technique* technique = mat->getTechnique(0); technique->removeAllPasses(); if (displayCompositeMap) { Ogre::Pass* pass = technique->createPass(); pass->setVertexColourTracking(Ogre::TVC_AMBIENT|Ogre::TVC_DIFFUSE); pass->createTextureUnitState(mCompositeMap)->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP); } else { assert(mLayerList.size() == mBlendmapList.size()+1); std::vector<Ogre::TexturePtr>::iterator blend = mBlendmapList.begin(); for (std::vector<LayerInfo>::iterator layer = mLayerList.begin(); layer != mLayerList.end(); ++layer) { Ogre::Pass* pass = technique->createPass(); pass->setLightingEnabled(false); pass->setVertexColourTracking(Ogre::TVC_NONE); // TODO: How to handle fog? pass->setFog(true, Ogre::FOG_NONE); bool first = (layer == mLayerList.begin()); Ogre::TextureUnitState* tus; if (!first) { pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA); pass->setDepthFunction(Ogre::CMPF_EQUAL); tus = pass->createTextureUnitState((*blend)->getName()); tus->setAlphaOperation(Ogre::LBX_BLEND_TEXTURE_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE); tus->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE); tus->setIsAlpha(true); tus->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP); float scale = (16/(16.f+1.f)); tus->setTextureScale(1.f/scale,1.f/scale); } // Add the actual layer texture on top of the alpha map. tus = pass->createTextureUnitState(layer->mDiffuseMap); if (!first) tus->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT); tus->setTextureScale(1/16.f,1/16.f); if (!first) ++blend; } if (!renderCompositeMap) { Ogre::Pass* lightingPass = technique->createPass(); lightingPass->setSceneBlending(Ogre::SBT_MODULATE); lightingPass->setVertexColourTracking(Ogre::TVC_AMBIENT|Ogre::TVC_DIFFUSE); lightingPass->setFog(true, Ogre::FOG_NONE); } } return mat; } #if TERRAIN_USE_SHADER else { sh::MaterialInstance* material = sh::Factory::getInstance().createMaterialInstance (name.str()); material->setProperty ("allow_fixed_function", sh::makeProperty<sh::BooleanValue>(new sh::BooleanValue(false))); if (displayCompositeMap) { sh::MaterialInstancePass* p = material->createPass (); p->setProperty ("vertex_program", sh::makeProperty<sh::StringValue>(new sh::StringValue("terrain_vertex"))); p->setProperty ("fragment_program", sh::makeProperty<sh::StringValue>(new sh::StringValue("terrain_fragment"))); p->mShaderProperties.setProperty ("is_first_pass", sh::makeProperty(new sh::BooleanValue(true))); p->mShaderProperties.setProperty ("render_composite_map", sh::makeProperty(new sh::BooleanValue(false))); p->mShaderProperties.setProperty ("display_composite_map", sh::makeProperty(new sh::BooleanValue(true))); p->mShaderProperties.setProperty ("num_layers", sh::makeProperty (new sh::StringValue("0"))); p->mShaderProperties.setProperty ("num_blendmaps", sh::makeProperty (new sh::StringValue("0"))); p->mShaderProperties.setProperty ("normal_map_enabled", sh::makeProperty (new sh::BooleanValue(false))); p->mShaderProperties.setProperty ("parallax_enabled", sh::makeProperty (new sh::BooleanValue(false))); p->mShaderProperties.setProperty ("normal_maps", sh::makeProperty (new sh::IntValue(0))); sh::MaterialInstanceTextureUnit* tex = p->createTextureUnit ("compositeMap"); tex->setProperty ("direct_texture", sh::makeProperty (new sh::StringValue(mCompositeMap))); tex->setProperty ("tex_address_mode", sh::makeProperty (new sh::StringValue("clamp"))); // shadow. TODO: repeated, put in function if (mShadows) { for (int i = 0; i < (mSplitShadows ? 3 : 1); ++i) { sh::MaterialInstanceTextureUnit* shadowTex = p->createTextureUnit ("shadowMap" + Ogre::StringConverter::toString(i)); shadowTex->setProperty ("content_type", sh::makeProperty<sh::StringValue> (new sh::StringValue("shadow"))); } } p->mShaderProperties.setProperty ("shadowtexture_offset", sh::makeProperty (new sh::StringValue( Ogre::StringConverter::toString(1)))); p->mShaderProperties.setProperty ("pass_index", sh::makeProperty(new sh::IntValue(0))); } else { bool shadows = mShadows && !renderCompositeMap; int layerOffset = 0; while (layerOffset < (int)mLayerList.size()) { int blendmapOffset = (layerOffset == 0) ? 1 : 0; // the first layer of the first pass is the base layer and does not need a blend map // Check how many layers we can fit in this pass int numLayersInThisPass = 0; int numBlendTextures = 0; std::vector<std::string> blendTextures; int remainingTextureUnits = OGRE_MAX_TEXTURE_LAYERS; if (shadows) remainingTextureUnits -= (mSplitShadows ? 3 : 1); while (remainingTextureUnits && layerOffset + numLayersInThisPass < (int)mLayerList.size()) { int layerIndex = numLayersInThisPass + layerOffset; int neededTextureUnits=0; int neededBlendTextures=0; if (layerIndex != 0) { std::string blendTextureName = mBlendmapList[getBlendmapIndexForLayer(layerIndex)]->getName(); if (std::find(blendTextures.begin(), blendTextures.end(), blendTextureName) == blendTextures.end()) { blendTextures.push_back(blendTextureName); ++neededBlendTextures; ++neededTextureUnits; // blend texture } } ++neededTextureUnits; // layer texture // Check if this layer has a normal map if (mNormalMapping && !mLayerList[layerIndex].mNormalMap.empty() && !renderCompositeMap) ++neededTextureUnits; // normal map if (neededTextureUnits <= remainingTextureUnits) { // We can fit another! remainingTextureUnits -= neededTextureUnits; numBlendTextures += neededBlendTextures; ++numLayersInThisPass; } else break; // We're full } sh::MaterialInstancePass* p = material->createPass (); p->setProperty ("vertex_program", sh::makeProperty<sh::StringValue>(new sh::StringValue("terrain_vertex"))); p->setProperty ("fragment_program", sh::makeProperty<sh::StringValue>(new sh::StringValue("terrain_fragment"))); if (layerOffset != 0) { p->setProperty ("scene_blend", sh::makeProperty(new sh::StringValue("alpha_blend"))); // Only write if depth is equal to the depth value written by the previous pass. p->setProperty ("depth_func", sh::makeProperty(new sh::StringValue("equal"))); } p->mShaderProperties.setProperty ("render_composite_map", sh::makeProperty(new sh::BooleanValue(renderCompositeMap))); p->mShaderProperties.setProperty ("display_composite_map", sh::makeProperty(new sh::BooleanValue(displayCompositeMap))); p->mShaderProperties.setProperty ("num_layers", sh::makeProperty (new sh::StringValue(Ogre::StringConverter::toString(numLayersInThisPass)))); p->mShaderProperties.setProperty ("num_blendmaps", sh::makeProperty (new sh::StringValue(Ogre::StringConverter::toString(numBlendTextures)))); p->mShaderProperties.setProperty ("normal_map_enabled", sh::makeProperty (new sh::BooleanValue(false))); // blend maps // the index of the first blend map used in this pass int blendmapStart; if (mLayerList.size() == 1) // special case. if there's only one layer, we don't need blend maps at all blendmapStart = 0; else blendmapStart = getBlendmapIndexForLayer(layerOffset+blendmapOffset); for (int i = 0; i < numBlendTextures; ++i) { sh::MaterialInstanceTextureUnit* blendTex = p->createTextureUnit ("blendMap" + Ogre::StringConverter::toString(i)); blendTex->setProperty ("direct_texture", sh::makeProperty (new sh::StringValue(mBlendmapList[blendmapStart+i]->getName()))); blendTex->setProperty ("tex_address_mode", sh::makeProperty (new sh::StringValue("clamp"))); } // layer maps bool anyNormalMaps = false; bool anyParallax = false; size_t normalMaps = 0; for (int i = 0; i < numLayersInThisPass; ++i) { const LayerInfo& layer = mLayerList[layerOffset+i]; // diffuse map sh::MaterialInstanceTextureUnit* diffuseTex = p->createTextureUnit ("diffuseMap" + Ogre::StringConverter::toString(i)); diffuseTex->setProperty ("direct_texture", sh::makeProperty (new sh::StringValue(layer.mDiffuseMap))); // normal map (optional) bool useNormalMap = mNormalMapping && !mLayerList[layerOffset+i].mNormalMap.empty() && !renderCompositeMap; bool useParallax = useNormalMap && mParallaxMapping && layer.mParallax; bool useSpecular = layer.mSpecular; if (useNormalMap) { anyNormalMaps = true; anyParallax = anyParallax || useParallax; sh::MaterialInstanceTextureUnit* normalTex = p->createTextureUnit ("normalMap" + Ogre::StringConverter::toString(i)); normalTex->setProperty ("direct_texture", sh::makeProperty (new sh::StringValue(layer.mNormalMap))); } p->mShaderProperties.setProperty ("use_normal_map_" + Ogre::StringConverter::toString(i), sh::makeProperty (new sh::BooleanValue(useNormalMap))); p->mShaderProperties.setProperty ("use_parallax_" + Ogre::StringConverter::toString(i), sh::makeProperty (new sh::BooleanValue(useParallax))); p->mShaderProperties.setProperty ("use_specular_" + Ogre::StringConverter::toString(i), sh::makeProperty (new sh::BooleanValue(useSpecular))); boost::hash_combine(normalMaps, useNormalMap); boost::hash_combine(normalMaps, useNormalMap && layer.mParallax); boost::hash_combine(normalMaps, useSpecular); if (i+layerOffset > 0) { int blendTextureIndex = getBlendmapIndexForLayer(layerOffset+i); std::string blendTextureComponent = getBlendmapComponentForLayer(layerOffset+i); p->mShaderProperties.setProperty ("blendmap_component_" + Ogre::StringConverter::toString(i), sh::makeProperty (new sh::StringValue(Ogre::StringConverter::toString(blendTextureIndex-blendmapStart) + "." + blendTextureComponent))); } else { // just to make it shut up about blendmap_component_0 not existing in the first pass. // it might be retrieved, but will never survive the preprocessing step. p->mShaderProperties.setProperty ("blendmap_component_" + Ogre::StringConverter::toString(i), sh::makeProperty (new sh::StringValue(""))); } } p->mShaderProperties.setProperty ("normal_map_enabled", sh::makeProperty (new sh::BooleanValue(anyNormalMaps))); p->mShaderProperties.setProperty ("parallax_enabled", sh::makeProperty (new sh::BooleanValue(anyParallax))); // Since the permutation handler can't handle dynamic property names, // combine normal map settings for all layers into one value p->mShaderProperties.setProperty ("normal_maps", sh::makeProperty (new sh::IntValue(normalMaps))); // shadow if (shadows) { for (int i = 0; i < (mSplitShadows ? 3 : 1); ++i) { sh::MaterialInstanceTextureUnit* shadowTex = p->createTextureUnit ("shadowMap" + Ogre::StringConverter::toString(i)); shadowTex->setProperty ("content_type", sh::makeProperty<sh::StringValue> (new sh::StringValue("shadow"))); } } p->mShaderProperties.setProperty ("shadowtexture_offset", sh::makeProperty (new sh::StringValue( Ogre::StringConverter::toString(numBlendTextures + numLayersInThisPass)))); // Make sure the pass index is fed to the permutation handler, because blendmap components may be different p->mShaderProperties.setProperty ("pass_index", sh::makeProperty(new sh::IntValue(layerOffset))); assert ((int)p->mTexUnits.size() == OGRE_MAX_TEXTURE_LAYERS - remainingTextureUnits); layerOffset += numLayersInThisPass; } } } #endif return Ogre::MaterialManager::getSingleton().getByName(name.str()); }
// void TerrainPageSurfaceCompiler::addTextureUnitsToPass(Ogre::Pass* pass, const Ogre::String& splatTextureName) { // // if (getMaxTextureUnits() - pass->getNumTextureUnitStates() < 2 || pass->getParent()->getNumPasses() > 1) { // addPassToTechnique(pass->getParent(), splatTextureName); // // S_LOG_WARNING("Trying to add texture units to pass with too few available texture unit states."); // return; // } // // S_LOG_VERBOSE("Adding new texture unit (detailtexture: " << mTextureName << " alphatexture: " << splatTextureName << ") to pass nr " << pass->getIndex() << " in technique for material " << pass->getParent()->getParent()->getName()); // // /* pass->setSelfIllumination(Ogre::ColourValue(1,1,1)); // pass->setAmbient(Ogre::ColourValue(1,1,1)); // pass->setDiffuse(Ogre::ColourValue(1,1,1)); // pass->setLightingEnabled(true);*/ // Ogre::TextureUnitState * textureUnitStateSplat = pass->createTextureUnitState(); // textureUnitStateSplat->setTextureName(splatTextureName); // // textureUnitStateSplat->setTextureCoordSet(0); // textureUnitStateSplat->setTextureFiltering(Ogre::TFO_ANISOTROPIC); // textureUnitStateSplat->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE); // textureUnitStateSplat->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT); // textureUnitStateSplat->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP); // // textureUnitStateSplat->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE); // // textureUnitStateSplat->setColourOperationEx(Ogre::LBX_BLEND_TEXTURE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE); // // Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState(); // textureUnitState->setTextureName(mTextureName); // textureUnitState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP); // /* textureUnitState->setTextureCoordSet(0);*/ // textureUnitState->setTextureScale(0.025, 0.025); // textureUnitState->setColourOperationEx(Ogre::LBX_BLEND_CURRENT_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT); // // /* Ogre::TextureUnitState * alphaTextureState= pass->createTextureUnitState(); // alphaTextureState->setTextureName(mTextureName); // // alphaTextureState->setTextureName(splatTextureName); // alphaTextureState->setTextureCoordSet(0); // alphaTextureState->setTextureFiltering(Ogre::TFO_ANISOTROPIC); // alphaTextureState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP); // alphaTextureState->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE); // // // // // detailTextureState->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE); // // detailTextureState->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT); // // Ogre::TextureUnitState * detailTextureState = pass->createTextureUnitState(); // detailTextureState ->setTextureName(splatTextureName); // // detailTextureState ->setTextureName(mTextureName); // detailTextureState ->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP); // detailTextureState ->setTextureCoordSet(0); // detailTextureState ->setTextureScale(0.01, 0.01); // //detailTextureState ->setColourOperationEx(Ogre::LBX_BLEND_CURRENT_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);*/ // // } // Ogre::Pass* Simple::addPassToTechnique(const TerrainPageGeometry& geometry, Ogre::Technique* technique, const Layer& layer, std::set<std::string>& managedTextures) const { //check if we instead can reuse the existing pass // if (technique->getNumPasses() != 0) { // Ogre::Pass* pass = technique->getPass(technique->getNumPasses() - 1); // if (4 - pass->getNumTextureUnitStates() >= 2) { // //there's more than two texture units available, use those instead of creating a new pass // S_LOG_VERBOSE("Reusing existing pass. ("<< pass->getNumTextureUnitStates() << " of "<< mNumberOfTextureUnitsOnCard << " texture unit used)"); // addTextureUnitsToPass(pass, splatTextureName); // return pass; // } // // } const OgreImage& ogreImage = *layer.blendMap; Ogre::Image image; image.loadDynamicImage(const_cast<unsigned char*>(ogreImage.getData()), ogreImage.getResolution(), ogreImage.getResolution(), 1, Ogre::PF_A8); std::stringstream splatTextureNameSS; splatTextureNameSS << "terrain_" << mPage.getWFPosition().x() << "_" << mPage.getWFPosition().y() << "_" << technique->getNumPasses(); const Ogre::String splatTextureName(splatTextureNameSS.str()); Ogre::TexturePtr blendMapTexture; if (Ogre::Root::getSingletonPtr()->getTextureManager()->resourceExists(splatTextureName)) { blendMapTexture = static_cast<Ogre::TexturePtr>(Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(splatTextureName)); blendMapTexture->loadImage(image); Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(blendMapTexture->getBuffer()); //blit the whole image to the hardware buffer Ogre::PixelBox sourceBox(image.getPixelBox()); hardwareBuffer->blitFromMemory(sourceBox); } else { blendMapTexture = Ogre::Root::getSingletonPtr()->getTextureManager()->loadImage(splatTextureName, "General", image, Ogre::TEX_TYPE_2D, 0); managedTextures.insert(blendMapTexture->getName()); } //we need to create the image, update it and then destroy it again (to keep the memory usage down) // if (layer->getBlendMapTextureName() == "") { // //no texture yet; let's create one // layer->createBlendMapImage(); // layer->updateBlendMapImage(geometry); // layer->createTexture(); // } else { // //a texture exists, so we just need to update the image // layer->updateBlendMapImage(geometry); //calling this will also update the texture since the method will blit the image onto it // } Ogre::Pass* pass = technique->createPass(); pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA); pass->setAmbient(1, 1, 1); pass->setDiffuse(1, 1, 1, 1); pass->setLightingEnabled(false); Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState(); textureUnitState->setTextureName(layer.surfaceLayer.getDiffuseTextureName()); textureUnitState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP); textureUnitState->setTextureCoordSet(0); textureUnitState->setTextureScale(1.0f / layer.surfaceLayer.getScale(), 1.0f / layer.surfaceLayer.getScale()); Ogre::TextureUnitState * textureUnitStateSplat = pass->createTextureUnitState(); textureUnitStateSplat->setTextureName(blendMapTexture->getName()); textureUnitStateSplat->setTextureCoordSet(0); textureUnitStateSplat->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP); textureUnitStateSplat->setTextureFiltering(Ogre::TFO_ANISOTROPIC); // textureUnitStateSplat->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE); textureUnitStateSplat->setAlphaOperation(Ogre::LBX_BLEND_DIFFUSE_COLOUR, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT); textureUnitStateSplat->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT); return pass; }