Init

physx/samples/samplebase/RenderMaterial.cpp

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+#include "SamplePreprocessor.h"
+#include "RenderMaterial.h"
+#include "RenderTexture.h"
+#include "RendererMaterialDesc.h"
+#include "Renderer.h"
+#include "RendererMaterial.h"
+#include "RendererMaterialInstance.h"
+#include "RendererMemoryMacros.h"
+
+using namespace physx;
+using namespace SampleRenderer;
+
+const char* defaultMaterialLitVertexShader = "vertex/staticmesh.cg";
+const char* defaultMaterialTexturedUnlitFragmentShader = "fragment/sample_diffuse_and_texture.cg";
+const char* defaultMaterialTexturedLitFragmentShader = "fragment/sample_diffuse_and_texture.cg";
+const char* defaultMaterialFragmentShader = "fragment/sample_diffuse_no_texture.cg";
+
+RenderMaterial::RenderMaterial(Renderer& renderer, const PxVec3& diffuseColor, PxReal opacity, bool doubleSided, PxU32 id, RenderTexture* texture, bool lit, bool flat, bool instanced) :
+	mRenderMaterial			(NULL),
+	mRenderMaterialInstance	(NULL),
+	mID						(id),
+	mDoubleSided			(doubleSided),
+	mOwnsRendererMaterial	(true)
+{
+	RendererMaterialDesc matDesc;
+	if(lit)
+		matDesc.type			= RendererMaterial::TYPE_LIT;
+	else 
+		matDesc.type			= RendererMaterial::TYPE_UNLIT;
+	matDesc.alphaTestFunc		= RendererMaterial::ALPHA_TEST_ALWAYS;
+	matDesc.alphaTestRef		= 0.0f;
+	if(opacity==1.0f)
+	{
+		matDesc.blending		= false;
+		matDesc.srcBlendFunc	= RendererMaterial::BLEND_ONE;
+		matDesc.dstBlendFunc	= RendererMaterial::BLEND_ONE;
+	}
+	else
+	{
+		matDesc.type			= RendererMaterial::TYPE_UNLIT;
+		matDesc.blending		= true;
+//		matDesc.srcBlendFunc	= RendererMaterial::BLEND_ONE;
+//		matDesc.dstBlendFunc	= RendererMaterial::BLEND_ONE;
+		matDesc.srcBlendFunc	= RendererMaterial::BLEND_SRC_ALPHA;
+		matDesc.dstBlendFunc	= RendererMaterial::BLEND_ONE_MINUS_SRC_ALPHA;
+	}
+
+	if(instanced)
+	{
+		matDesc.instanced = true;
+	}
+	else
+	{
+		matDesc.instanced = false;
+	}
+
+	matDesc.geometryShaderPath	= NULL;
+	
+	matDesc.vertexShaderPath	= defaultMaterialLitVertexShader;
+		
+	if(texture)
+	{
+		if(lit)
+		{
+			matDesc.fragmentShaderPath	= defaultMaterialTexturedLitFragmentShader;
+		}
+		else
+		{
+			matDesc.fragmentShaderPath	= defaultMaterialTexturedUnlitFragmentShader;
+		}
+	}
+	else
+	{
+		matDesc.fragmentShaderPath	= defaultMaterialFragmentShader;
+	}
+	PX_ASSERT(matDesc.isValid());
+
+	mRenderMaterial = renderer.createMaterial(matDesc);
+	mRenderMaterialInstance = new RendererMaterialInstance(*mRenderMaterial);
+
+	setDiffuseColor(PxVec4(diffuseColor.x, diffuseColor.y, diffuseColor.z, opacity));
+	setShadeMode(flat);
+
+	update(renderer);
+
+	if(texture)
+	{
+		const RendererMaterial::Variable* var = mRenderMaterialInstance->findVariable("diffuseTexture", RendererMaterial::VARIABLE_SAMPLER2D);
+		//PX_ASSERT(var);
+		if(var)
+			mRenderMaterialInstance->writeData(*var, &texture->mTexture);
+	}
+}
+
+RenderMaterial::RenderMaterial(Renderer& renderer, RendererMaterial* mat, RendererMaterialInstance* matInstance, PxU32 id) :
+	mRenderMaterial			(mat),
+	mRenderMaterialInstance	(matInstance),
+	mID						(id),
+	mDoubleSided			(false),
+	mOwnsRendererMaterial	(false)
+{
+	update(renderer);
+}
+
+void RenderMaterial::update(SampleRenderer::Renderer& renderer)
+{
+	const RendererMaterial::Variable* var = mRenderMaterialInstance->findVariable("windowWidth", RendererMaterial::VARIABLE_FLOAT);
+	if(var)
+	{
+		PxU32 tmpWindowWidth, tmpWindowHeight;
+		renderer.getWindowSize(tmpWindowWidth, tmpWindowHeight);
+
+		const PxReal windowWidth = PxReal(tmpWindowWidth);
+		mRenderMaterialInstance->writeData(*var, &windowWidth);
+	}
+
+}
+
+void RenderMaterial::setParticleSize(const PxReal particleSize)
+{
+	const RendererMaterial::Variable* var = mRenderMaterialInstance->findVariable("particleSize", RendererMaterial::VARIABLE_FLOAT);
+	if(var)
+	{
+		mRenderMaterialInstance->writeData(*var, &particleSize);
+	}	
+}
+
+void RenderMaterial::setDiffuseColor(const PxVec4& color)
+{
+	const RendererMaterial::Variable* var = mRenderMaterialInstance->findVariable("diffuseColor", RendererMaterial::VARIABLE_FLOAT4);
+	if(var)
+	{
+		const PxReal data[] = { color.x, color.y, color.z, color.w };
+		mRenderMaterialInstance->writeData(*var, data);
+	}
+}
+
+void RenderMaterial::setShadeMode(bool flat)
+{
+	const RendererMaterial::Variable* var = mRenderMaterialInstance->findVariable("shadeMode", RendererMaterial::VARIABLE_FLOAT);
+	if(var)
+	{
+		float shadeMode = flat?1.0f:0.0f;
+		mRenderMaterialInstance->writeData(*var, &shadeMode);
+	}
+}
+
+RenderMaterial::~RenderMaterial()
+{
+	if(mOwnsRendererMaterial)
+	{
+		DELETESINGLE(mRenderMaterialInstance);
+		SAFE_RELEASE(mRenderMaterial);
+	}
+}