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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) 2008-2018 NVIDIA Corporation. All rights reserved.
#include <RendererMaterial.h>
#include <Renderer.h>
#include <RendererMaterialDesc.h>
#include <RendererMaterialInstance.h>
#include <PsString.h>
namespace Ps = physx::shdfnd;
#undef PxI32
using namespace SampleRenderer;
static PxU32 getVariableTypeSize(RendererMaterial::VariableType type)
{
PxU32 size = 0;
switch(type)
{
case RendererMaterial::VARIABLE_FLOAT: size = sizeof(float)*1; break;
case RendererMaterial::VARIABLE_FLOAT2: size = sizeof(float)*2; break;
case RendererMaterial::VARIABLE_FLOAT3: size = sizeof(float)*3; break;
case RendererMaterial::VARIABLE_FLOAT4: size = sizeof(float)*4; break;
case RendererMaterial::VARIABLE_FLOAT4x4: size = sizeof(float)*4*4; break;
case RendererMaterial::VARIABLE_INT: size = sizeof(int)*1; break;
case RendererMaterial::VARIABLE_SAMPLER2D: size = sizeof(RendererTexture2D*); break;
case RendererMaterial::VARIABLE_SAMPLER3D: size = sizeof(RendererTexture3D*); break;
default: break;
}
RENDERER_ASSERT(size>0, "Unable to compute Variable Type size.");
return size;
}
RendererMaterial::Variable::Variable(const char *name, VariableType type, unsigned int offset)
{
size_t len = strlen(name)+1;
m_name = new char[len];
Ps::strlcpy(m_name, len, name);
m_type = type;
m_offset = offset;
m_size = -1;
}
void RendererMaterial::Variable::setSize(PxU32 size)
{
m_size = size;
}
RendererMaterial::Variable::~Variable(void)
{
if(m_name) delete [] m_name;
}
const char *RendererMaterial::Variable::getName(void) const
{
return m_name;
}
RendererMaterial::VariableType RendererMaterial::Variable::getType(void) const
{
return m_type;
}
PxU32 RendererMaterial::Variable::getDataOffset(void) const
{
return m_offset;
}
PxU32 RendererMaterial::Variable::getDataSize(void) const
{
return m_size != -1 ? m_size : getVariableTypeSize(m_type);
}
const char *RendererMaterial::getPassName(Pass pass)
{
const char *passName = 0;
switch(pass)
{
case PASS_UNLIT: passName="PASS_UNLIT"; break;
case PASS_AMBIENT_LIGHT: passName="PASS_AMBIENT_LIGHT"; break;
case PASS_POINT_LIGHT: passName="PASS_POINT_LIGHT"; break;
case PASS_DIRECTIONAL_LIGHT: passName="PASS_DIRECTIONAL_LIGHT"; break;
case PASS_SPOT_LIGHT_NO_SHADOW: passName="PASS_SPOT_LIGHT_NO_SHADOW"; break;
case PASS_SPOT_LIGHT: passName="PASS_SPOT_LIGHT"; break;
case PASS_NORMALS: passName="PASS_NORMALS"; break;
case PASS_DEPTH: passName="PASS_DEPTH"; break;
default: break;
// LRR: The deferred pass causes compiles with the ARB_draw_buffers profile option, creating
// multiple color draw buffers. This doesn't work in OGL on ancient Intel parts.
//case PASS_DEFERRED: passName="PASS_DEFERRED"; break;
}
RENDERER_ASSERT(passName, "Unable to obtain name for the given Material Pass.");
return passName;
}
RendererMaterial::RendererMaterial(const RendererMaterialDesc &desc, bool enableMaterialCaching) :
m_type(desc.type),
m_alphaTestFunc(desc.alphaTestFunc),
m_srcBlendFunc(desc.srcBlendFunc),
m_dstBlendFunc(desc.dstBlendFunc),
m_refCount(1),
mEnableMaterialCaching(enableMaterialCaching)
{
m_alphaTestRef = desc.alphaTestRef;
m_blending = desc.blending;
m_variableBufferSize = 0;
}
RendererMaterial::~RendererMaterial(void)
{
RENDERER_ASSERT(m_refCount == 0, "RendererMaterial was not released as often as it was created");
PxU32 numVariables = (PxU32)m_variables.size();
for(PxU32 i=0; i<numVariables; i++)
{
delete m_variables[i];
}
}
void RendererMaterial::release()
{
m_refCount--;
if (!mEnableMaterialCaching)
{
PX_ASSERT(m_refCount == 0);
delete this;
}
}
void RendererMaterial::bind(RendererMaterial::Pass pass, RendererMaterialInstance *materialInstance, bool instanced) const
{
if(materialInstance)
{
PxU32 numVariables = (PxU32)m_variables.size();
for(PxU32 i = 0; i < numVariables; i++)
{
const Variable &variable = *m_variables[i];
bindVariable(pass, variable, materialInstance->m_data+variable.getDataOffset());
}
}
}
bool RendererMaterial::rendererBlendingOverrideEnabled() const
{
return getRenderer().blendingOverrideEnabled();
}
const RendererMaterial::Variable *RendererMaterial::findVariable(const char *name, RendererMaterial::VariableType varType)
{
RendererMaterial::Variable *var = 0;
PxU32 numVariables = (PxU32)m_variables.size();
for(PxU32 i=0; i<numVariables; i++)
{
RendererMaterial::Variable &v = *m_variables[i];
if(!strcmp(v.getName(), name))
{
var = &v;
break;
}
}
if(var && var->getType() != varType)
{
var = 0;
}
return var;
}
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