コード例 #1
0
void BatchPage::build()
{
	batch->build();

	BatchedGeometry::SubBatchIterator it = batch->getSubBatchIterator();
	while (it.hasMoreElements()){
		BatchedGeometry::SubBatch *subBatch = it.getNext();
		MaterialPtr mat = subBatch->getMaterial();

		//Disable specular unless a custom shader is being used.
		//This is done because the default shader applied by BatchPage
		//doesn't support specular, and fixed-function needs to look
		//the same as the shader (for computers with no shader support)
		for (int t = 0; t < mat->getNumTechniques(); ++t){
			Technique *tech = mat->getTechnique(t);
			for (int p = 0; p < tech->getNumPasses(); ++p){
				Pass *pass = tech->getPass(p);
				if (pass->getVertexProgramName() == "")
					pass->setSpecular(0, 0, 0, 1);
			}
		}

		//Store the original materials
		unfadedMaterials.push_back(subBatch->getMaterial());
	}

	_updateShaders();
}
コード例 #2
0
//-----------------------------------------------------------------------------
///
void BatchPage::build()
{
	m_pBatchGeom->build();
	BatchedGeometry::TSubBatchIterator it = m_pBatchGeom->getSubBatchIterator();

	while (it.hasMoreElements())
   {
		BatchedGeometry::SubBatch *subBatch = it.getNext();
		const MaterialPtr &ptrMat = subBatch->getMaterial();

		//Disable specular unless a custom shader is being used.
		//This is done because the default shader applied by BatchPage
		//doesn't support specular, and fixed-function needs to look
		//the same as the shader (for computers with no shader support)
		for (unsigned short t = 0, tCnt = ptrMat->getNumTechniques(); t < tCnt; ++t)
      {
			Technique *tech = ptrMat->getTechnique(t);
			for (unsigned short p = 0, pCnt = tech->getNumPasses(); p < pCnt; ++p)
         {
				Pass *pass = tech->getPass(p);
				//if (pass->getVertexProgramName() == "")
				//	pass->setSpecular(0, 0, 0, 1);
            if (!pass->hasVertexProgram())
               pass->setSpecular(0.f, 0.f, 0.f, 1.f);
			}
		}

		//Store the original materials
		m_vecUnfadedMaterials.push_back(subBatch->getMaterial());
	}

	_updateShaders();
}
コード例 #3
0
void BatchPage::_updateShaders()
{
	if (!shadersSupported)
		return;

	uint32 i = 0;
	BatchedGeometry::SubBatchIterator it = batch->getSubBatchIterator();
	while (it.hasMoreElements()){
		BatchedGeometry::SubBatch *subBatch = it.getNext();
		MaterialPtr mat = unfadedMaterials[i++];

		//Check if lighting should be enabled
		bool lightingEnabled = false;
		for (unsigned short t = 0; t < mat->getNumTechniques(); ++t){
			Technique *tech = mat->getTechnique(t);
			for (unsigned short p = 0; p < tech->getNumPasses(); ++p){
				Pass *pass = tech->getPass(p);
				if (pass->getLightingEnabled()) {
					lightingEnabled = true;
					break;
				}
			}
			if (lightingEnabled)
				break;
		}

		//Compile the CG shader script based on various material / fade options
		StringUtil::StrStreamType tmpName;
		tmpName << "BatchPage_";
		if (fadeEnabled)
			tmpName << "fade_";
		if (lightingEnabled)
			tmpName << "lit_";
		if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
			tmpName << "clr_";

		for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i)
		{
			const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
			if (el->getSemantic() == VES_TEXTURE_COORDINATES) {
				String uvType = "";
				switch (el->getType()) {
						case VET_FLOAT1: uvType = "1"; break;
						case VET_FLOAT2: uvType = "2"; break;
						case VET_FLOAT3: uvType = "3"; break;
						case VET_FLOAT4: uvType = "4"; break;
				}
				tmpName << uvType << '_';
			}
		}

		tmpName << "vp";

		const String vertexProgName = tmpName.str();

		String shaderLanguage;
		if (Root::getSingleton().getRenderSystem()->getName() == "Direct3D9 Rendering Subsystem")
			shaderLanguage = "hlsl";
		else if(Root::getSingleton().getRenderSystem()->getName() == "OpenGL Rendering Subsystem")
			shaderLanguage = "glsl";
		else
			shaderLanguage = "cg";

		//If the shader hasn't been created yet, create it
		if (HighLevelGpuProgramManager::getSingleton().getByName(vertexProgName).isNull())
		{
			Pass *pass = mat->getTechnique(0)->getPass(0);
			String vertexProgSource;

			if(!shaderLanguage.compare("hlsl") || !shaderLanguage.compare("cg"))
			{

				vertexProgSource =
					"void main( \n"
					"	float4 iPosition : POSITION, \n"
					"	float3 normal    : NORMAL,	\n"
					"	out float4 oPosition : POSITION, \n";

				if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL) vertexProgSource +=
					"	float4 iColor    : COLOR, \n";

				unsigned texNum = 0;
				for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i) {
					const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
					if (el->getSemantic() == VES_TEXTURE_COORDINATES) {
						String uvType = "";
						switch (el->getType()) {
							case VET_FLOAT1: uvType = "float"; break;
							case VET_FLOAT2: uvType = "float2"; break;
							case VET_FLOAT3: uvType = "float3"; break;
							case VET_FLOAT4: uvType = "float4"; break;
						}

						vertexProgSource +=
						"	" + uvType + " iUV" + StringConverter::toString(texNum) + "			: TEXCOORD" + StringConverter::toString(texNum) + ",	\n"
						"	out " + uvType + " oUV" + StringConverter::toString(texNum) + "		: TEXCOORD" + StringConverter::toString(texNum) + ",	\n";

						++texNum;
					}
				}

				vertexProgSource +=
					"	out float oFog : FOG,	\n"
					"	out float4 oColor : COLOR, \n";

				if (lightingEnabled) vertexProgSource +=
					"	uniform float4 objSpaceLight,	\n"
					"	uniform float4 lightDiffuse,	\n"
					"	uniform float4 lightAmbient,	\n";

				if (fadeEnabled) vertexProgSource +=
					"	uniform float3 camPos, \n";

				vertexProgSource +=
					"	uniform float4x4 worldViewProj,	\n"
					"	uniform float fadeGap, \n"
					"   uniform float invisibleDist )\n"
					"{	\n";

				if (lightingEnabled) {
					//Perform lighting calculations (no specular)
					vertexProgSource +=
					"	float3 light = normalize(objSpaceLight.xyz - (iPosition.xyz * objSpaceLight.w)); \n"
					"	float diffuseFactor = max(dot(normal, light), 0); \n";
					if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
						vertexProgSource += "oColor = (lightAmbient + diffuseFactor * lightDiffuse) * iColor; \n";
					else
						vertexProgSource += "oColor = (lightAmbient + diffuseFactor * lightDiffuse); \n";
				} else {
					if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
						vertexProgSource += "oColor = iColor; \n";
					else
						vertexProgSource += "oColor = float4(1, 1, 1, 1); \n";
				}

				if (fadeEnabled) vertexProgSource +=
					//Fade out in the distance
					"	float dist = distance(camPos.xz, iPosition.xz);	\n"
					"	oColor.a *= (invisibleDist - dist) / fadeGap;   \n";

				texNum = 0;
				for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i) {
					const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
					if (el->getSemantic() == VES_TEXTURE_COORDINATES) {
						vertexProgSource +=
						"	oUV" + StringConverter::toString(texNum) + " = iUV" + StringConverter::toString(texNum) + ";	\n";
						++texNum;
					}
				}

				vertexProgSource +=
					"	oPosition = mul(worldViewProj, iPosition);  \n"
					"	oFog = oPosition.z; \n"
					"}";
			}

			if(!shaderLanguage.compare("glsl"))
			{
				vertexProgSource =
					"uniform float fadeGap;        \n"
					"uniform float invisibleDist;   \n";

				if (lightingEnabled) vertexProgSource +=
					"uniform vec4 objSpaceLight;   \n"
					"uniform vec4 lightDiffuse;	   \n"
					"uniform vec4 lightAmbient;	   \n";

				if (fadeEnabled) vertexProgSource +=
					"uniform vec3 camPos;          \n";

				vertexProgSource +=
					"void main() \n"
					"{ \n";

				if (lightingEnabled)
				{
					//Perform lighting calculations (no specular)
					vertexProgSource +=
					"   vec3 light = normalize(objSpaceLight.xyz - (gl_Vertex.xyz * objSpaceLight.w)); \n"
					"   float diffuseFactor = max(dot(gl_Normal, light), 0.0); \n";
					if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
					{
						vertexProgSource += "   gl_FrontColor = (lightAmbient + diffuseFactor * lightDiffuse) * gl_Color; \n";
					}
					else
					{
						vertexProgSource += "   gl_FrontColor = (lightAmbient + diffuseFactor * lightDiffuse); \n";
					}
				}
				else
				{
					if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
					{
						vertexProgSource += "   gl_FrontColor = gl_Color; \n";
					}
					else
					{
						vertexProgSource += "   gl_FrontColor = vec4(1.0, 1.0, 1.0, 1.0); \n";
					}
				}

				if (fadeEnabled)
				{
					vertexProgSource +=
					//Fade out in the distance
					"   float dist = distance(camPos.xz, gl_Vertex.xz);	\n"
					"   gl_FrontColor.a *= (invisibleDist - dist) / fadeGap;   \n";
				}

				unsigned texNum = 0;
				for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i)
				{
					const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
					if (el->getSemantic() == VES_TEXTURE_COORDINATES)
					{
						vertexProgSource +=
						"   gl_TexCoord[" + StringConverter::toString(texNum) + "] = gl_MultiTexCoord" + StringConverter::toString(texNum) + ";	\n";
						++texNum;
					}
				}

				vertexProgSource +=
					"   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;  \n"
					"   gl_FogFragCoord = gl_Position.z; \n"
					"}";
			}


			HighLevelGpuProgramPtr vertexShader = HighLevelGpuProgramManager::getSingleton().createProgram(
				vertexProgName,
				ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
				shaderLanguage, GPT_VERTEX_PROGRAM);

			vertexShader->setSource(vertexProgSource);

			if (shaderLanguage == "hlsl")
			{
				vertexShader->setParameter("target", "vs_1_1");
				vertexShader->setParameter("entry_point", "main");
			}
			else if(shaderLanguage == "cg")
			{
				vertexShader->setParameter("profiles", "vs_1_1 arbvp1");
				vertexShader->setParameter("entry_point", "main");
			}
			// GLSL can only have one entry point "main".

			vertexShader->load();
		}

		//Now that the shader is ready to be applied, apply it
		StringUtil::StrStreamType materialSignature;
		materialSignature << "BatchMat|";
		materialSignature << mat->getName() << "|";
		if (fadeEnabled){
			materialSignature << visibleDist << "|";
			materialSignature << invisibleDist << "|";
		}

		//Search for the desired material
		MaterialPtr generatedMaterial = MaterialManager::getSingleton().getByName(materialSignature.str());
		if (generatedMaterial.isNull()){
			//Clone the material
			generatedMaterial = mat->clone(materialSignature.str());

			//And apply the fade shader
			for (unsigned short t = 0; t < generatedMaterial->getNumTechniques(); ++t){
				Technique *tech = generatedMaterial->getTechnique(t);
				for (unsigned short p = 0; p < tech->getNumPasses(); ++p){
					Pass *pass = tech->getPass(p);

					//Setup vertex program
					if (pass->getVertexProgramName() == "")
						pass->setVertexProgram(vertexProgName);

					try{
						GpuProgramParametersSharedPtr params = pass->getVertexProgramParameters();

						if (lightingEnabled) {
							params->setNamedAutoConstant("objSpaceLight", GpuProgramParameters::ACT_LIGHT_POSITION_OBJECT_SPACE);
							params->setNamedAutoConstant("lightDiffuse", GpuProgramParameters::ACT_DERIVED_LIGHT_DIFFUSE_COLOUR);
							params->setNamedAutoConstant("lightAmbient", GpuProgramParameters::ACT_DERIVED_AMBIENT_LIGHT_COLOUR);
							//params->setNamedAutoConstant("matAmbient", GpuProgramParameters::ACT_SURFACE_AMBIENT_COLOUR);
						}

						if(shaderLanguage.compare("glsl"))
						{
							//glsl can use the built in gl_ModelViewProjectionMatrix
							params->setNamedAutoConstant("worldViewProj", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
						}

						if (fadeEnabled)
						{
							params->setNamedAutoConstant("camPos", GpuProgramParameters::ACT_CAMERA_POSITION_OBJECT_SPACE);

							//Set fade ranges
							params->setNamedAutoConstant("invisibleDist", GpuProgramParameters::ACT_CUSTOM);
							params->setNamedConstant("invisibleDist", invisibleDist);

							params->setNamedAutoConstant("fadeGap", GpuProgramParameters::ACT_CUSTOM);
							params->setNamedConstant("fadeGap", invisibleDist - visibleDist);

							if (pass->getAlphaRejectFunction() == CMPF_ALWAYS_PASS)
								pass->setSceneBlending(SBT_TRANSPARENT_ALPHA);
						}
					}
					catch (...) {
						OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Error configuring batched geometry transitions. If you're using materials with custom vertex shaders, they will need to implement fade transitions to be compatible with BatchPage.", "BatchPage::_updateShaders()");
					}
				}
			}

		}

		//Apply the material
		subBatch->setMaterial(generatedMaterial);
	}

}
コード例 #4
0
//-----------------------------------------------------------------------------
///
void WindBatchPage::_updateShaders()
{
	if (!m_bShadersSupported)
		return;

	unsigned int i = 0;
	BatchedGeometry::TSubBatchIterator it = m_pBatchGeom->getSubBatchIterator();
	while (it.hasMoreElements())
	{
		BatchedGeometry::SubBatch *subBatch = it.getNext();
		const MaterialPtr &ptrMat = m_vecUnfadedMaterials[i++];

		//Check if lighting should be enabled
		bool lightingEnabled = false;
		for (unsigned short t = 0, techCnt = ptrMat->getNumTechniques(); t < techCnt; ++t)
		{
			Technique *tech = ptrMat->getTechnique(t);
			for (unsigned short p = 0, passCnt = tech->getNumPasses(); p < passCnt; ++p)
			{
				if (tech->getPass(p)->getLightingEnabled())
				{
					lightingEnabled = true;
					break;
				}
			}

			if (lightingEnabled)
				break;
		}

		//Compile the shader script based on various material / fade options
		StringUtil::StrStreamType tmpName;
		tmpName << "BatchPage_";
		if (m_bFadeEnabled)
			tmpName << "fade_";
		if (lightingEnabled)
			tmpName << "lit_";
		if (subBatch->m_pVertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
			tmpName << "clr_";

		for (unsigned short i = 0; i < subBatch->m_pVertexData->vertexDeclaration->getElementCount(); ++i)
		{
			const VertexElement *el = subBatch->m_pVertexData->vertexDeclaration->getElement(i);
			if (el->getSemantic() == VES_TEXTURE_COORDINATES)
			{
				String uvType;
				switch (el->getType())
				{
				case VET_FLOAT1: uvType = "1"; break;
				case VET_FLOAT2: uvType = "2"; break;
				case VET_FLOAT3: uvType = "3"; break;
				case VET_FLOAT4: uvType = "4"; break;
				}
				tmpName << uvType << '_';
			}
		}

		tmpName << "vp";

		const String vertexProgName = tmpName.str();

		String shaderLanguage;
		if (Root::getSingleton().getRenderSystem()->getName() == "Direct3D9 Rendering Subsystem")
			shaderLanguage = "hlsl";
		else if(Root::getSingleton().getRenderSystem()->getName() == "OpenGL Rendering Subsystem")
			shaderLanguage = "glsl";
		else
			shaderLanguage = "cg";

		///T removed code for shader creation (we have our own shader)


		//Now that the shader is ready to be applied, apply it
		StringUtil::StrStreamType materialSignature;
		materialSignature << "BatchMat|";
		materialSignature << ptrMat->getName() << "|";
		if (m_bFadeEnabled)
		{
			materialSignature << m_fVisibleDist << "|";
			materialSignature << m_fInvisibleDist << "|";
		}

		//Search for the desired material
		/*
		MaterialPtr generatedMaterial = MaterialManager::getSingleton().getByName(materialSignature.str());
		if (generatedMaterial.isNull())
		{
			//Clone the material
			std::cout << ptrMat->getName() << std::endl;
			sh::MaterialInstance* m = sh::Factory::getInstance ().createMaterialInstance (materialSignature.str(), ptrMat->getName());
			//generatedMaterial = ptrMat->clone(materialSignature.str());

			//And apply the fade shader
		}
		*/
		//Apply the material
		Ogre::MaterialPtr m = ptrMat;
		subBatch->setMaterial(m);
	}
}