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OVR: Convert texture coordinates and setup rendering material
--HG-- branch : multipass-stereo
This commit is contained in:
kaetemi
parent
102d3653d7
commit
3fd358d69d
2 changed files with 58 additions and 159 deletions
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@ -70,8 +70,6 @@ namespace NL3D {
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class ITexture;
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class CTextureUser;
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class CStereoOVRDeviceFactory;
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class CPixelProgramOVR;
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class CVertexProgramOVR;
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#define NL_STEREO_MAX_USER_CAMERAS 8
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#define NL_OVR_EYE_COUNT 2
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@ -188,8 +186,6 @@ private:
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NL3D::CTextureUser *m_SceneTexture;
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UMaterial m_UnlitMat;
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NLMISC::CRefPtr<CVertexProgramOVR> m_VP;
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NLMISC::CRefPtr<CPixelProgramOVR> m_PP;
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/*
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NL3D::UMaterial m_BarrelMat;
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@ -144,6 +144,22 @@ public:
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}
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};
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static NLMISC::CVector2f toTex(NLMISC::CVector2f texCoord, NLMISC::CVector2f uvScaleOffset[2])
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{
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// return(EyeToSourceUVScale * flattened + EyeToSourceUVOffset);
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NLMISC::CVector2f vec = NLMISC::CVector2f(texCoord.x * uvScaleOffset[0].x, texCoord.y * uvScaleOffset[0].y) + uvScaleOffset[1];
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// some trial and error voodoo, sorry
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vec = (vec + NLMISC::CVector2f(1, 1)) * 0.5f;
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vec.y = 1.0f - vec.y;
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vec.x = 1.0f - vec.x;
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vec.x += 0.5f;
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vec.y *= 2.0f;
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vec.x = 1.0f - vec.x;
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return vec;
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}
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CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NULL), m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_SceneTexture(NULL), m_GUITexture(NULL), m_EyePosition(0.0f, 0.09f, 0.15f), m_Scale(1.0f)
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{
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nlctassert(NL_OVR_EYE_COUNT == ovrEye_Count);
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@ -286,9 +302,15 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
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{
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ovrDistortionVertex &ov = meshData.pVertexData[i];
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vba.setVertexCoord(i, (ov.ScreenPosNDC.x + 1.0f) * 0.5f, (ov.ScreenPosNDC.y + 1.0f) * 0.5f, 0.5f);
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vba.setTexCoord(i, 0, ov.TanEyeAnglesR.x, ov.TanEyeAnglesR.y);
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vba.setTexCoord(i, 1, ov.TanEyeAnglesG.x, ov.TanEyeAnglesG.y);
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vba.setTexCoord(i, 2, ov.TanEyeAnglesB.x, ov.TanEyeAnglesB.y);
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NLMISC::CVector2f texR(ov.TanEyeAnglesR.x, ov.TanEyeAnglesR.y);
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NLMISC::CVector2f texG(ov.TanEyeAnglesG.x, ov.TanEyeAnglesG.y);
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NLMISC::CVector2f texB(ov.TanEyeAnglesB.x, ov.TanEyeAnglesB.y);
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texR = toTex(texR, m_EyeUVScaleOffset[eye]);
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texG = toTex(texG, m_EyeUVScaleOffset[eye]);
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texB = toTex(texB, m_EyeUVScaleOffset[eye]);
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vba.setTexCoord(i, 0, texR.x, texR.y);
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vba.setTexCoord(i, 1, texG.x, texG.y);
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vba.setTexCoord(i, 2, texB.x, texB.y);
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NLMISC::CRGBA color;
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color.R = color.G = color.B = (uint8)(ov.VignetteFactor * 255.99f);
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color.A = 255; // (uint8)(ov.TimeWarpFactor * 255.99f);
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@ -338,9 +360,6 @@ CStereoOVR::~CStereoOVR()
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m_Driver->deleteMaterial(m_UnlitMat);
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}
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m_PP.kill();
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m_VP.kill();
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m_Driver = NULL;
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if (m_DevicePtr)
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@ -351,130 +370,8 @@ CStereoOVR::~CStereoOVR()
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}
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}
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class CVertexProgramOVR : public CVertexProgram
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{
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public:
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struct COVRIndices
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{
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/*uint LensCenter;
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uint ScreenCenter;
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uint Scale;
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uint ScaleIn;
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uint HmdWarpParam;*/
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};
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CVertexProgramOVR()
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{
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/*{
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CSource *source = new CSource();
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source->Profile = glsl330f;
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source->Features.MaterialFlags = CProgramFeatures::TextureStages;
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source->setSourcePtr(g_StereoOVR_glsl330f);
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addSource(source);
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}*/
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}
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virtual ~CVertexProgramOVR()
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{
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}
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virtual void buildInfo()
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{
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CVertexProgram::buildInfo();
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/*m_OVRIndices.LensCenter = getUniformIndex("cLensCenter");
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nlassert(m_OVRIndices.LensCenter != ~0);
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m_OVRIndices.ScreenCenter = getUniformIndex("cScreenCenter");
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nlassert(m_OVRIndices.ScreenCenter != ~0);
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m_OVRIndices.Scale = getUniformIndex("cScale");
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nlassert(m_OVRIndices.Scale != ~0);
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m_OVRIndices.ScaleIn = getUniformIndex("cScaleIn");
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nlassert(m_OVRIndices.ScaleIn != ~0);
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m_OVRIndices.HmdWarpParam = getUniformIndex("cHmdWarpParam");
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nlassert(m_OVRIndices.HmdWarpParam != ~0);*/
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}
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inline const COVRIndices &ovrIndices() { return m_OVRIndices; }
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private:
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COVRIndices m_OVRIndices;
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};
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class CPixelProgramOVR : public CPixelProgram
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{
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public:
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struct COVRIndices
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{
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/*uint LensCenter;
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uint ScreenCenter;
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uint Scale;
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uint ScaleIn;
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uint HmdWarpParam;*/
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};
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CPixelProgramOVR()
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{
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/*
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{
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CSource *source = new CSource();
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source->Profile = arbfp1;
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source->Features.MaterialFlags = CProgramFeatures::TextureStages;
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source->setSourcePtr(g_StereoOVR_arbfp1);
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source->ParamIndices["cLensCenter"] = 0;
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source->ParamIndices["cScreenCenter"] = 1;
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source->ParamIndices["cScale"] = 2;
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source->ParamIndices["cScaleIn"] = 3;
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source->ParamIndices["cHmdWarpParam"] = 4;
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addSource(source);
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}
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{
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CSource *source = new CSource();
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source->Profile = ps_2_0;
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source->Features.MaterialFlags = CProgramFeatures::TextureStages;
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source->setSourcePtr(g_StereoOVR_ps_2_0);
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source->ParamIndices["cLensCenter"] = 0;
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source->ParamIndices["cScreenCenter"] = 1;
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source->ParamIndices["cScale"] = 2;
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source->ParamIndices["cScaleIn"] = 3;
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source->ParamIndices["cHmdWarpParam"] = 4;
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addSource(source);
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}*/
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}
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virtual ~CPixelProgramOVR()
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{
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}
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virtual void buildInfo()
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{
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CPixelProgram::buildInfo();
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/*m_OVRIndices.LensCenter = getUniformIndex("cLensCenter");
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nlassert(m_OVRIndices.LensCenter != ~0);
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m_OVRIndices.ScreenCenter = getUniformIndex("cScreenCenter");
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nlassert(m_OVRIndices.ScreenCenter != ~0);
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m_OVRIndices.Scale = getUniformIndex("cScale");
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nlassert(m_OVRIndices.Scale != ~0);
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m_OVRIndices.ScaleIn = getUniformIndex("cScaleIn");
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nlassert(m_OVRIndices.ScaleIn != ~0);
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m_OVRIndices.HmdWarpParam = getUniformIndex("cHmdWarpParam");
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nlassert(m_OVRIndices.HmdWarpParam != ~0);*/
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}
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inline const COVRIndices &ovrIndices() { return m_OVRIndices; }
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private:
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COVRIndices m_OVRIndices;
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};
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void CStereoOVR::setDriver(NL3D::UDriver *driver)
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{
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nlassert(!m_PP);
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nlassert(!m_VP);
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m_Driver = driver;
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CDriverUser *dru = static_cast<CDriverUser *>(driver);
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@ -491,25 +388,28 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
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unlitMat->setZWrite(false);
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unlitMat->setZFunc(CMaterial::always);
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unlitMat->setDoubleSided(true);
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unlitMat->texConstantColor(0, NLMISC::CRGBA(255, 0, 0, 0));
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unlitMat->texConstantColor(1, NLMISC::CRGBA(0, 255, 0, 0));
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unlitMat->texConstantColor(2, NLMISC::CRGBA(0, 0, 255, 0));
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if (drv->supportBloomEffect() && drv->supportNonPowerOfTwoTextures())
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{
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m_PP = new CPixelProgramOVR();
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if (!drv->compilePixelProgram(m_PP))
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{
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m_PP.kill();
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nlwarning("OVR: No pixel program support");
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return;
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}
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m_VP = new CVertexProgramOVR();
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if (!drv->compileVertexProgram(m_VP))
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{
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m_VP.kill();
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nlwarning("OVR: No vertex program support");
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m_PP.kill();
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return;
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}
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}
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m_UnlitMat.texEnvArg0RGB(0, UMaterial::Texture, UMaterial::SrcColor);
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m_UnlitMat.texEnvArg1RGB(0, UMaterial::Constant, UMaterial::SrcColor);
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m_UnlitMat.texEnvOpRGB(0, UMaterial::Modulate);
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m_UnlitMat.texEnvArg0RGB(1, UMaterial::Texture, UMaterial::SrcColor);
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m_UnlitMat.texEnvArg1RGB(1, UMaterial::Constant, UMaterial::SrcColor);
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m_UnlitMat.texEnvArg2RGB(1, UMaterial::Previous, UMaterial::SrcColor);
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m_UnlitMat.texEnvOpRGB(1, UMaterial::Mad);
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m_UnlitMat.texEnvArg0RGB(2, UMaterial::Texture, UMaterial::SrcColor);
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m_UnlitMat.texEnvArg1RGB(2, UMaterial::Constant, UMaterial::SrcColor);
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m_UnlitMat.texEnvArg2RGB(2, UMaterial::Previous, UMaterial::SrcColor);
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m_UnlitMat.texEnvOpRGB(2, UMaterial::Mad);
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m_UnlitMat.texEnvArg0RGB(3, UMaterial::Previous, UMaterial::SrcColor);
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m_UnlitMat.texEnvArg1RGB(3, UMaterial::Diffuse, UMaterial::SrcColor);
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m_UnlitMat.texEnvOpRGB(3, UMaterial::Modulate);
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}
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bool CStereoOVR::getScreenResolution(uint &width, uint &height)
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@ -958,6 +858,9 @@ bool CStereoOVR::endRenderTarget()
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bool fogEnabled = m_Driver->fogEnabled();
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m_Driver->enableFog(false);
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// must clear everything to black (can we get a mesh to only handle the parts outside of the distortion mesh?)
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m_Driver->clearRGBABuffer(CRGBA(0, 0, 0, 255));
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CDriverUser *dru = static_cast<CDriverUser *>(m_Driver);
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IDriver *drv = dru->getDriver();
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@ -966,17 +869,13 @@ bool CStereoOVR::endRenderTarget()
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m_Driver->setViewport(vp);
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m_Driver->setMatrixMode2D11();
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// DEBUG
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for (uint eye = 0; eye < ovrEye_Count; ++eye)
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{
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NL3D::UMaterial umat = m_Driver->createMaterial();
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umat.setZWrite(false);
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// mat.setZFunc(UMaterial::always); // Not nice!
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umat.setDoubleSided(true);
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umat.setColor(NLMISC::CRGBA::Red);
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umat.setBlend(false);
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CMaterial *mat = umat.getObjectPtr();
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CMaterial *mat = m_UnlitMat.getObjectPtr();
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mat->setTexture(0, m_SceneTexture->getITexture());
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mat->setTexture(1, m_SceneTexture->getITexture());
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mat->setTexture(2, m_SceneTexture->getITexture());
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mat->setTexture(3, m_SceneTexture->getITexture());
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//m_Driver->setPolygonMode(UDriver::Line);
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drv->activeVertexBuffer(m_VB[eye]);
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@ -984,7 +883,10 @@ bool CStereoOVR::endRenderTarget()
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drv->renderTriangles(*mat, 0, m_NbTris[eye]);
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//m_Driver->setPolygonMode(UDriver::Filled);
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m_Driver->deleteMaterial(umat);
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mat->setTexture(0, NULL);
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mat->setTexture(1, NULL);
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mat->setTexture(2, NULL);
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mat->setTexture(3, NULL);
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}
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// restore
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@ -996,6 +898,7 @@ bool CStereoOVR::endRenderTarget()
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return true;
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}
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/*if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled)) // set to 4 to turn off distortion of 2d gui
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{
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nlassert(m_SceneTexture);
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