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OVR: Generate distortion mesh

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--HG--
branch : multipass-stereo
This commit is contained in:
kaetemi 2014-08-05 00:20:21 +02:00
parent 99ea2c685c
commit 262c1f84a9
2 changed files with 196 additions and 103 deletions
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23
code/nel/include/nel/3d/stereo_ovr_04.h
View file

@ -59,6 +59,8 @@
#include <nel/3d/frustum.h>
#include <nel/3d/viewport.h>
#include <nel/3d/u_material.h>
#include <nel/3d/index_buffer.h>
#include <nel/3d/vertex_buffer.h>
struct ovrHmdDesc_;
typedef const ovrHmdDesc_ *ovrHmd;
@ -68,7 +70,8 @@ namespace NL3D {
class ITexture;
class CTextureUser;
class CStereoOVRDeviceFactory;
/*class CPixelProgramOVR;*/
class CPixelProgramOVR;
class CVertexProgramOVR;
#define NL_STEREO_MAX_USER_CAMERAS 8
#define NL_OVR_EYE_COUNT 2
@ -154,14 +157,22 @@ public:
private:
ovrHmd m_DevicePtr;
int m_Stage;
int m_SubStage;
CViewport m_RegularViewport;
CViewport m_EyeViewport[NL_OVR_EYE_COUNT];
float m_EyeHFov[NL_OVR_EYE_COUNT];
float m_EyeAR[NL_OVR_EYE_COUNT];
uint m_RenderTargetWidth;
uint m_RenderTargetHeight;
NLMISC::CVector2f m_EyeUVScaleOffset[NL_OVR_EYE_COUNT][2];
CVertexBuffer m_VB;
CIndexBuffer m_IB;
uint m_NbTris;
CFrustum m_ClippingFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_LeftFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_RightFrustum[NL_STEREO_MAX_USER_CAMERAS];
@ -170,8 +181,16 @@ private:
CMatrix m_InterfaceCameraMatrix;
mutable bool m_OrientationCached;
mutable NLMISC::CQuat m_OrientationCache;
UDriver *m_Driver;
NL3D::CTextureUser *m_GUITexture;
CTextureUser *m_GUITexture;
UMaterial m_UnlitMat;
NLMISC::CRefPtr<CVertexProgramOVR> m_VP;
NLMISC::CRefPtr<CPixelProgramOVR> m_PP;
/*NL3D::CTextureUser *m_SceneTexture;
NL3D::UMaterial m_BarrelMat;
NLMISC::CQuadUV m_BarrelQuadLeft;

276
code/nel/src/3d/stereo_ovr_04.cpp
View file

@ -188,10 +188,10 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
float nativeWidth = m_DevicePtr->Resolution.w;
float nativeHeight = m_DevicePtr->Resolution.h;
// get render descriptions for default fov
ovrEyeRenderDesc eyeRenderDesc[ovrEye_Count];
eyeRenderDesc[ovrEye_Left] = ovrHmd_GetRenderDesc(m_DevicePtr, ovrEye_Left, m_DevicePtr->DefaultEyeFov[ovrEye_Left]);
eyeRenderDesc[ovrEye_Right] = ovrHmd_GetRenderDesc(m_DevicePtr, ovrEye_Right, m_DevicePtr->DefaultEyeFov[ovrEye_Right]);
nldebug("OVR: LEFT DistortedViewport: x: %i, y: %i, w: %i, h: %i", eyeRenderDesc[0].DistortedViewport.Pos.x, eyeRenderDesc[0].DistortedViewport.Pos.y, eyeRenderDesc[0].DistortedViewport.Size.w, eyeRenderDesc[0].DistortedViewport.Size.h);
nldebug("OVR: LEFT PixelsPerTanAngleAtCenter: x: %f, y: %f ", eyeRenderDesc[0].PixelsPerTanAngleAtCenter.x, eyeRenderDesc[0].PixelsPerTanAngleAtCenter.y);
nldebug("OVR: LEFT ViewAdjust: x: %f, y: %f, z: %f ", eyeRenderDesc[0].ViewAdjust.x, eyeRenderDesc[0].ViewAdjust.y, eyeRenderDesc[0].ViewAdjust.z);
@ -207,10 +207,12 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
// 2014/08/04 19:55:46 DBG 2e18 snowballs_client.exe stereo_ovr_04.cpp 193 NL3D::CStereoOVR::CStereoOVR : OVR: RIGHT PixelsPerTanAngleAtCenter: x: 363.247864, y: 363.247864
// 2014/08/04 19:55:46 DBG 2e18 snowballs_client.exe stereo_ovr_04.cpp 194 NL3D::CStereoOVR::CStereoOVR : OVR: RIGHT ViewAdjust: x: -0.031868, y: 0.000000, z: 0.000000
ovrSizei fovTexLeftSize = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Left, eyeRenderDesc[ovrEye_Left].Fov, 1.0f);
ovrSizei fovTexRightSize = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Right, eyeRenderDesc[ovrEye_Right].Fov, 1.0f);
m_RenderTargetWidth = fovTexLeftSize.w + fovTexRightSize.w;
m_RenderTargetHeight = max(fovTexLeftSize.h, fovTexRightSize.h);
// find out the recommended render target size
ovrSizei fovTextureSize[ovrEye_Count];
fovTextureSize[ovrEye_Left] = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Left, eyeRenderDesc[ovrEye_Left].Fov, 1.0f);
fovTextureSize[ovrEye_Right] = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Right, eyeRenderDesc[ovrEye_Right].Fov, 1.0f);
m_RenderTargetWidth = fovTextureSize[ovrEye_Left].w + fovTextureSize[ovrEye_Right].w;
m_RenderTargetHeight = max(fovTextureSize[ovrEye_Left].h, fovTextureSize[ovrEye_Right].h);
nldebug("OVR: RenderTarget: w: %u, h: %u", m_RenderTargetWidth, m_RenderTargetHeight);
// 2014/08/04 20:22:03 DBG 30e4 snowballs_client.exe stereo_ovr_04.cpp 213 NL3D::CStereoOVR::CStereoOVR : OVR: RenderTarget: w: 2414, h: 1870 // That looks a bit excessive...
@ -218,25 +220,91 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
for (uint eye = 0; eye < ovrEye_Count; ++eye)
{
ovrFovPort &fov = eyeRenderDesc[eye].Fov;
// setup viewport
m_EyeViewport[eye].init(
(float)eyeRenderDesc[eye].DistortedViewport.Pos.x / nativeWidth,
(float)eyeRenderDesc[eye].DistortedViewport.Pos.y / nativeHeight,
(float)eyeRenderDesc[eye].DistortedViewport.Size.w / nativeWidth,
(float)eyeRenderDesc[eye].DistortedViewport.Size.h / nativeHeight);
nldebug("OVR: EyeViewport: x: %f, y: %f, w: %f, h: %f", m_EyeViewport[eye].getX(), m_EyeViewport[eye].getY(), m_EyeViewport[eye].getWidth(), m_EyeViewport[eye].getHeight());
ovrRecti eyeViewport;
eyeViewport.Pos.x = (eyeRenderDesc[eye].DistortedViewport.Pos.x * m_RenderTargetWidth) / m_DevicePtr->Resolution.w;
eyeViewport.Pos.y = (eyeRenderDesc[eye].DistortedViewport.Pos.y * m_RenderTargetHeight) / m_DevicePtr->Resolution.h;
eyeViewport.Size.w = (eyeRenderDesc[eye].DistortedViewport.Size.w * m_RenderTargetWidth) / m_DevicePtr->Resolution.w;
eyeViewport.Size.h = (eyeRenderDesc[eye].DistortedViewport.Size.h * m_RenderTargetHeight) / m_DevicePtr->Resolution.h;
// calculate hfov and ar
float combinedTanHalfFovHorizontal = max(fov.LeftTan, fov.RightTan);
float combinedTanHalfFovVertical = max(fov.UpTan, fov.DownTan);
float horizontalFullFovInRadians = 2.0f * atanf (combinedTanHalfFovHorizontal);
float aspectRatio = combinedTanHalfFovHorizontal / combinedTanHalfFovVertical;
m_EyeHFov[eye] = horizontalFullFovInRadians;
m_EyeAR[eye] = aspectRatio;
nldebug("OVR: FOV: %f, AR: %f", horizontalFullFovInRadians, aspectRatio);
nldebug("OVR: HFOV: %f, AR: %f", horizontalFullFovInRadians, aspectRatio);
// get distortion mesh
ovrDistortionMesh meshData;
ovrHmd_CreateDistortionMesh(m_DevicePtr, (ovrEyeType)eye, fov,
ovrDistortionCap_Chromatic | ovrDistortionCap_TimeWarp | ovrDistortionCap_Vignette,
&meshData);
ovrVector2f uvScaleOffset[2];
// get parameters for programs
ovrHmd_GetRenderScaleAndOffset(fov,
fovTextureSize[eye], eyeViewport,
(ovrVector2f *)uvScaleOffset);
m_EyeUVScaleOffset[eye][0] = NLMISC::CVector2f(uvScaleOffset[0].x, uvScaleOffset[0].y);
m_EyeUVScaleOffset[eye][1] = NLMISC::CVector2f(uvScaleOffset[1].x, uvScaleOffset[1].y);
// create distortion mesh vertex buffer
m_VB.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag | CVertexBuffer::TexCoord1Flag | CVertexBuffer::TexCoord2Flag | CVertexBuffer::PrimaryColorFlag);
m_VB.setPreferredMemory(CVertexBuffer::StaticPreferred, false);
m_VB.setNumVertices(meshData.VertexCount);
{
CVertexBufferReadWrite vba;
m_VB.lock(vba);
for (uint i = 0; i < meshData.VertexCount; ++i)
{
ovrDistortionVertex &ov = meshData.pVertexData[i];
vba.setVertexCoord(i, (ov.ScreenPosNDC.x + 1.0f) * 0.5f, (ov.ScreenPosNDC.y + 1.0f) * 0.5f, 0.5f);
vba.setTexCoord(i, 0, ov.TanEyeAnglesR.x, ov.TanEyeAnglesR.y);
vba.setTexCoord(i, 1, ov.TanEyeAnglesG.x, ov.TanEyeAnglesG.y);
vba.setTexCoord(i, 2, ov.TanEyeAnglesB.x, ov.TanEyeAnglesB.y);
NLMISC::CRGBA color;
color.R = color.G = color.B = (uint8)(ov.VignetteFactor * 255.99f);
color.A = (uint8)(ov.TimeWarpFactor * 255.99f);
vba.setColor(i, color);
}
}
// create distortion mesh index buffer
m_IB.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
m_IB.setPreferredMemory(CIndexBuffer::StaticPreferred, false);
m_IB.setNumIndexes(meshData.IndexCount);
{
CIndexBufferReadWrite iba;
m_IB.lock(iba);
for (uint i = 0; i + 2 < meshData.IndexCount; i += 3)
{
nlassert(meshData.pIndexData[i] < meshData.VertexCount);
nlassert(meshData.pIndexData[i + 1] < meshData.VertexCount);
nlassert(meshData.pIndexData[i + 2] < meshData.VertexCount);
iba.setTri(i, meshData.pIndexData[i], meshData.pIndexData[i + 1], meshData.pIndexData[i + 2]);
}
}
// set tri count
m_NbTris = meshData.IndexCount / 3;
// destroy ovr distortion mesh
ovrHmd_DestroyDistortionMesh(&meshData);
}
// 2014/08/04 20:22:03 DBG 30e4 snowballs_client.exe stereo_ovr_04.cpp 222 NL3D::CStereoOVR::CStereoOVR : OVR: EyeViewport: x: 0.000000, y: 0.000000, w: 0.500000, h: 1.000000
// 2014/08/04 22:28:39 DBG 3040 snowballs_client.exe stereo_ovr_04.cpp 235 NL3D::CStereoOVR::CStereoOVR : OVR: HFOV: 2.339905, AR: 0.916641
// 2014/08/04 20:22:03 DBG 30e4 snowballs_client.exe stereo_ovr_04.cpp 222 NL3D::CStereoOVR::CStereoOVR : OVR: EyeViewport: x: 0.500000, y: 0.000000, w: 0.500000, h: 1.000000
// 2014/08/04 22:28:39 DBG 3040 snowballs_client.exe stereo_ovr_04.cpp 235 NL3D::CStereoOVR::CStereoOVR : OVR: HFOV: 2.339905, AR: 0.916641
// DEBUG EARLY EXIT
nldebug("OVR: Early exit");
@ -247,16 +315,15 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
CStereoOVR::~CStereoOVR()
{
/*if (!m_BarrelMat.empty())
if (!m_UnlitMat.empty())
{
m_BarrelMat.getObjectPtr()->setTexture(0, NULL);
m_Driver->deleteMaterial(m_BarrelMat);
m_Driver->deleteMaterial(m_UnlitMat);
}
delete m_PixelProgram;
m_PixelProgram = NULL;
m_PP.kill();
m_VP.kill();
m_Driver = NULL;*/
m_Driver = NULL;
if (m_DevicePtr)
{
@ -265,40 +332,73 @@ CStereoOVR::~CStereoOVR()
--s_DeviceCounter;
}
}
/*
class CPixelProgramOVR : public CPixelProgram
class CVertexProgramOVR : public CVertexProgram
{
public:
struct COVRIndices
{
uint LensCenter;
/*uint LensCenter;
uint ScreenCenter;
uint Scale;
uint ScaleIn;
uint HmdWarpParam;
uint HmdWarpParam;*/
};
CPixelProgramOVR()
CVertexProgramOVR()
{
{
/*{
CSource *source = new CSource();
source->Profile = glsl330f;
source->Features.MaterialFlags = CProgramFeatures::TextureStages;
source->setSourcePtr(g_StereoOVR_glsl330f);
addSource(source);
}
{
CSource *source = new CSource();
source->Profile = fp40;
source->Features.MaterialFlags = CProgramFeatures::TextureStages;
source->setSourcePtr(g_StereoOVR_fp40);
source->ParamIndices["cLensCenter"] = 0;
source->ParamIndices["cScreenCenter"] = 1;
source->ParamIndices["cScale"] = 2;
source->ParamIndices["cScaleIn"] = 3;
source->ParamIndices["cHmdWarpParam"] = 4;
addSource(source);
}
}*/
}
virtual ~CVertexProgramOVR()
{
}
virtual void buildInfo()
{
CVertexProgram::buildInfo();
/*m_OVRIndices.LensCenter = getUniformIndex("cLensCenter");
nlassert(m_OVRIndices.LensCenter != ~0);
m_OVRIndices.ScreenCenter = getUniformIndex("cScreenCenter");
nlassert(m_OVRIndices.ScreenCenter != ~0);
m_OVRIndices.Scale = getUniformIndex("cScale");
nlassert(m_OVRIndices.Scale != ~0);
m_OVRIndices.ScaleIn = getUniformIndex("cScaleIn");
nlassert(m_OVRIndices.ScaleIn != ~0);
m_OVRIndices.HmdWarpParam = getUniformIndex("cHmdWarpParam");
nlassert(m_OVRIndices.HmdWarpParam != ~0);*/
}
inline const COVRIndices &ovrIndices() { return m_OVRIndices; }
private:
COVRIndices m_OVRIndices;
};
class CPixelProgramOVR : public CPixelProgram
{
public:
struct COVRIndices
{
/*uint LensCenter;
uint ScreenCenter;
uint Scale;
uint ScaleIn;
uint HmdWarpParam;*/
};
CPixelProgramOVR()
{
/*
{
CSource *source = new CSource();
source->Profile = arbfp1;
@ -322,7 +422,7 @@ public:
source->ParamIndices["cScaleIn"] = 3;
source->ParamIndices["cHmdWarpParam"] = 4;
addSource(source);
}
}*/
}
virtual ~CPixelProgramOVR()
@ -334,7 +434,7 @@ public:
{
CPixelProgram::buildInfo();
m_OVRIndices.LensCenter = getUniformIndex("cLensCenter");
/*m_OVRIndices.LensCenter = getUniformIndex("cLensCenter");
nlassert(m_OVRIndices.LensCenter != ~0);
m_OVRIndices.ScreenCenter = getUniformIndex("cScreenCenter");
nlassert(m_OVRIndices.ScreenCenter != ~0);
@ -343,7 +443,7 @@ public:
m_OVRIndices.ScaleIn = getUniformIndex("cScaleIn");
nlassert(m_OVRIndices.ScaleIn != ~0);
m_OVRIndices.HmdWarpParam = getUniformIndex("cHmdWarpParam");
nlassert(m_OVRIndices.HmdWarpParam != ~0);
nlassert(m_OVRIndices.HmdWarpParam != ~0);*/
}
inline const COVRIndices &ovrIndices() { return m_OVRIndices; }
@ -352,83 +452,57 @@ private:
COVRIndices m_OVRIndices;
};
*/
void CStereoOVR::setDriver(NL3D::UDriver *driver)
{/*
nlassert(!m_PixelProgram);
{
nlassert(!m_PP);
nlassert(!m_VP);
m_Driver = driver;
NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(driver))->getDriver();
CDriverUser *dru = static_cast<CDriverUser *>(driver);
IDriver *drv = dru->getDriver();
if (drvInternal->supportBloomEffect() && drvInternal->supportNonPowerOfTwoTextures())
m_UnlitMat = m_Driver->createMaterial();
m_UnlitMat.initUnlit();
m_UnlitMat.setColor(CRGBA::White);
m_UnlitMat.setBlend (false);
m_UnlitMat.setAlphaTest (false);
NL3D::CMaterial *unlitMat = m_UnlitMat.getObjectPtr();
unlitMat->setShader(NL3D::CMaterial::Normal);
unlitMat->setBlendFunc(CMaterial::one, CMaterial::zero);
unlitMat->setZWrite(false);
unlitMat->setZFunc(CMaterial::always);
unlitMat->setDoubleSided(true);
if (drv->supportBloomEffect() && drv->supportNonPowerOfTwoTextures())
{
m_PixelProgram = new CPixelProgramOVR();
if (!drvInternal->compilePixelProgram(m_PixelProgram))
m_PP = new CPixelProgramOVR();
if (!drv->compilePixelProgram(m_PP))
{
m_PixelProgram.kill();
m_PP.kill();
nlwarning("OVR: No pixel program support");
return;
}
m_VP = new CVertexProgramOVR();
if (!drv->compileVertexProgram(m_VP))
{
m_VP.kill();
nlwarning("OVR: No vertex program support");
m_PP.kill();
return;
}
}
if (m_PixelProgram)
{
m_Driver = driver;
/*m_BarrelTex = new CTextureBloom(); // lol bloom
m_BarrelTex->setRenderTarget(true);
m_BarrelTex->setReleasable(false);
m_BarrelTex->resize(m_DevicePtr->HMDInfo.HResolution, m_DevicePtr->HMDInfo.VResolution);
m_BarrelTex->setFilterMode(ITexture::Linear, ITexture::LinearMipMapOff);
m_BarrelTex->setWrapS(ITexture::Clamp);
m_BarrelTex->setWrapT(ITexture::Clamp);
drvInternal->setupTexture(*m_BarrelTex);
m_BarrelTexU = new CTextureUser(m_BarrelTex);* /
m_BarrelMat = m_Driver->createMaterial();
m_BarrelMat.initUnlit();
m_BarrelMat.setColor(CRGBA::White);
m_BarrelMat.setBlend (false);
m_BarrelMat.setAlphaTest (false);
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
barrelMat->setShader(NL3D::CMaterial::Normal);
barrelMat->setBlendFunc(CMaterial::one, CMaterial::zero);
barrelMat->setZWrite(false);
barrelMat->setZFunc(CMaterial::always);
barrelMat->setDoubleSided(true);
// barrelMat->setTexture(0, m_BarrelTex);
m_BarrelQuadLeft.V0 = CVector(0.f, 0.f, 0.5f);
m_BarrelQuadLeft.V1 = CVector(0.5f, 0.f, 0.5f);
m_BarrelQuadLeft.V2 = CVector(0.5f, 1.f, 0.5f);
m_BarrelQuadLeft.V3 = CVector(0.f, 1.f, 0.5f);
m_BarrelQuadRight.V0 = CVector(0.5f, 0.f, 0.5f);
m_BarrelQuadRight.V1 = CVector(1.f, 0.f, 0.5f);
m_BarrelQuadRight.V2 = CVector(1.f, 1.f, 0.5f);
m_BarrelQuadRight.V3 = CVector(0.5f, 1.f, 0.5f);
// nlassert(!drvInternal->isTextureRectangle(m_BarrelTex)); // not allowed
m_BarrelQuadLeft.Uv0 = CUV(0.f, 0.f);
m_BarrelQuadLeft.Uv1 = CUV(0.5f, 0.f);
m_BarrelQuadLeft.Uv2 = CUV(0.5f, 1.f);
m_BarrelQuadLeft.Uv3 = CUV(0.f, 1.f);
m_BarrelQuadRight.Uv0 = CUV(0.5f, 0.f);
m_BarrelQuadRight.Uv1 = CUV(1.f, 0.f);
m_BarrelQuadRight.Uv2 = CUV(1.f, 1.f);
m_BarrelQuadRight.Uv3 = CUV(0.5f, 1.f);
}
else
{
nlwarning("VR: No pixel program support");
}*/
}
bool CStereoOVR::getScreenResolution(uint &width, uint &height)
{
/*width = m_DevicePtr->HMDInfo.HResolution;
height = m_DevicePtr->HMDInfo.VResolution;*/
return true;
if (m_DevicePtr)
{
width = m_DevicePtr->Resolution.w;
height = m_DevicePtr->Resolution.h;
return true;
}
return false;
}
void CStereoOVR::initCamera(uint cid, const NL3D::UCamera *camera)