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Use named indices for per pixel light vertex program

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--HG--
branch : multipass-stereo
This commit is contained in:
kaetemi 2013-09-13 21:47:42 +02:00
parent f9c9c1836a
commit c766940e75
1 changed files with 34 additions and 7 deletions
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41
code/nel/src/3d/meshvp_per_pixel_light.cpp
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@ -357,9 +357,12 @@ static const char* PPLightingVPCodeTest =
class CVertexProgramPerPixelLight : public CVertexProgramLighted
{
public:
class CIdx
struct CIdx
{
/// Position or direction of strongest light
uint StrongestLight;
/// Viewer position
uint ViewerPos;
};
CVertexProgramPerPixelLight(uint vp);
virtual ~CVertexProgramPerPixelLight() { };
@ -436,6 +439,7 @@ CVertexProgramPerPixelLight::CVertexProgramPerPixelLight(uint vp)
source->DisplayName = NLMISC::toString("nelvp/MeshVPPerPixel/%i", vp);
source->Profile = CVertexProgram::nelvp;
source->setSource(vpCode);
source->ParamIndices["modelViewProjection"] = 0;
addSource(source);
}
@ -448,6 +452,27 @@ CVertexProgramPerPixelLight::CVertexProgramPerPixelLight(uint vp)
void CVertexProgramPerPixelLight::buildInfo()
{
CVertexProgramLighted::buildInfo();
if (profile() == nelvp)
{
m_Idx.StrongestLight = 4;
if (m_FeaturesLighted.SupportSpecular)
{
m_Idx.ViewerPos = 5;
}
else
{
m_Idx.ViewerPos = ~0;
}
}
else
{
// TODO_VP_GLSL
}
nlassert(m_Idx.StrongestLight != ~0);
if (m_FeaturesLighted.SupportSpecular)
{
nlassert(m_Idx.ViewerPos != ~0);
}
}
@ -485,10 +510,12 @@ bool CMeshVPPerPixelLight::begin(IDriver *drv,
}
//
enable(true, drv); // must enable the vertex program before the vb is activated
CVertexProgramPerPixelLight *program = _ActiveVertexProgram;
nlassert(program);
//
CRenderTrav *renderTrav= &scene->getRenderTrav();
/// Setup for gouraud lighting
renderTrav->beginVPLightSetup(_ActiveVertexProgram, invertedModelMat);
renderTrav->beginVPLightSetup(program, invertedModelMat);
//
sint strongestLightIndex = renderTrav->getStrongestLightIndex();
if (strongestLightIndex == -1) return false; // if no strongest light, disable this vertex program
@ -502,7 +529,7 @@ bool CMeshVPPerPixelLight::begin(IDriver *drv,
{
// put light direction in object space
NLMISC::CVector lPos = invertedModelMat.mulVector(strongestLight.getDirection());
drv->setConstant(4, lPos);
drv->setUniform3f(IDriver::VertexProgram, program->idx().StrongestLight, lPos);
_IsPointLight = false;
}
break;
@ -510,7 +537,7 @@ bool CMeshVPPerPixelLight::begin(IDriver *drv,
{
// put light in object space
NLMISC::CVector lPos = invertedModelMat * strongestLight.getPosition();
drv->setConstant(4, lPos);
drv->setUniform3f(IDriver::VertexProgram, program->idx().StrongestLight, lPos);
_IsPointLight = true;
}
break;
@ -524,11 +551,11 @@ bool CMeshVPPerPixelLight::begin(IDriver *drv,
{
// viewer pos in object space
NLMISC::CVector vPos = invertedModelMat * viewerPos;
drv->setConstant(5, vPos);
drv->setUniform3f(IDriver::VertexProgram, program->idx().ViewerPos, vPos);
}
// c[0..3] take the ModelViewProjection Matrix. After setupModelMatrix();
drv->setConstantMatrix(0, IDriver::ModelViewProjection, IDriver::Identity);
drv->setUniformMatrix(IDriver::VertexProgram, program->getUniformIndex(CGPUProgramIndex::ModelViewProjection), IDriver::ModelViewProjection, IDriver::Identity);
return true;
}