OVR: Generate distortion mesh
This commit is contained in:
kaetemi
parent
c99cfed0dd
commit
2dda6cc5f0
2 changed files with 196 additions and 103 deletions
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@ -59,6 +59,8 @@
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#include <nel/3d/frustum.h>
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#include <nel/3d/viewport.h>
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#include <nel/3d/u_material.h>
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#include <nel/3d/index_buffer.h>
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#include <nel/3d/vertex_buffer.h>
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struct ovrHmdDesc_;
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typedef const ovrHmdDesc_ *ovrHmd;
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@ -68,7 +70,8 @@ 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 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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@ -154,14 +157,22 @@ public:
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private:
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ovrHmd m_DevicePtr;
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int m_Stage;
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int m_SubStage;
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CViewport m_RegularViewport;
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CViewport m_EyeViewport[NL_OVR_EYE_COUNT];
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float m_EyeHFov[NL_OVR_EYE_COUNT];
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float m_EyeAR[NL_OVR_EYE_COUNT];
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uint m_RenderTargetWidth;
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uint m_RenderTargetHeight;
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NLMISC::CVector2f m_EyeUVScaleOffset[NL_OVR_EYE_COUNT][2];
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CVertexBuffer m_VB;
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CIndexBuffer m_IB;
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uint m_NbTris;
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CFrustum m_ClippingFrustum[NL_STEREO_MAX_USER_CAMERAS];
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CFrustum m_LeftFrustum[NL_STEREO_MAX_USER_CAMERAS];
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CFrustum m_RightFrustum[NL_STEREO_MAX_USER_CAMERAS];
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@ -170,8 +181,16 @@ private:
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CMatrix m_InterfaceCameraMatrix;
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mutable bool m_OrientationCached;
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mutable NLMISC::CQuat m_OrientationCache;
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UDriver *m_Driver;
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NL3D::CTextureUser *m_GUITexture;
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CTextureUser *m_GUITexture;
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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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/*NL3D::CTextureUser *m_SceneTexture;
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NL3D::UMaterial m_BarrelMat;
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NLMISC::CQuadUV m_BarrelQuadLeft;
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@ -188,10 +188,10 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
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float nativeWidth = m_DevicePtr->Resolution.w;
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float nativeHeight = m_DevicePtr->Resolution.h;
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// get render descriptions for default fov
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ovrEyeRenderDesc eyeRenderDesc[ovrEye_Count];
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eyeRenderDesc[ovrEye_Left] = ovrHmd_GetRenderDesc(m_DevicePtr, ovrEye_Left, m_DevicePtr->DefaultEyeFov[ovrEye_Left]);
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eyeRenderDesc[ovrEye_Right] = ovrHmd_GetRenderDesc(m_DevicePtr, ovrEye_Right, m_DevicePtr->DefaultEyeFov[ovrEye_Right]);
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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);
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nldebug("OVR: LEFT PixelsPerTanAngleAtCenter: x: %f, y: %f ", eyeRenderDesc[0].PixelsPerTanAngleAtCenter.x, eyeRenderDesc[0].PixelsPerTanAngleAtCenter.y);
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nldebug("OVR: LEFT ViewAdjust: x: %f, y: %f, z: %f ", eyeRenderDesc[0].ViewAdjust.x, eyeRenderDesc[0].ViewAdjust.y, eyeRenderDesc[0].ViewAdjust.z);
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@ -207,10 +207,12 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
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// 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
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// 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
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ovrSizei fovTexLeftSize = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Left, eyeRenderDesc[ovrEye_Left].Fov, 1.0f);
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ovrSizei fovTexRightSize = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Right, eyeRenderDesc[ovrEye_Right].Fov, 1.0f);
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m_RenderTargetWidth = fovTexLeftSize.w + fovTexRightSize.w;
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m_RenderTargetHeight = max(fovTexLeftSize.h, fovTexRightSize.h);
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// find out the recommended render target size
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ovrSizei fovTextureSize[ovrEye_Count];
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fovTextureSize[ovrEye_Left] = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Left, eyeRenderDesc[ovrEye_Left].Fov, 1.0f);
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fovTextureSize[ovrEye_Right] = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Right, eyeRenderDesc[ovrEye_Right].Fov, 1.0f);
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m_RenderTargetWidth = fovTextureSize[ovrEye_Left].w + fovTextureSize[ovrEye_Right].w;
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m_RenderTargetHeight = max(fovTextureSize[ovrEye_Left].h, fovTextureSize[ovrEye_Right].h);
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nldebug("OVR: RenderTarget: w: %u, h: %u", m_RenderTargetWidth, m_RenderTargetHeight);
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// 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...
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@ -219,24 +221,90 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
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{
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ovrFovPort &fov = eyeRenderDesc[eye].Fov;
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// setup viewport
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m_EyeViewport[eye].init(
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(float)eyeRenderDesc[eye].DistortedViewport.Pos.x / nativeWidth,
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(float)eyeRenderDesc[eye].DistortedViewport.Pos.y / nativeHeight,
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(float)eyeRenderDesc[eye].DistortedViewport.Size.w / nativeWidth,
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(float)eyeRenderDesc[eye].DistortedViewport.Size.h / nativeHeight);
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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());
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ovrRecti eyeViewport;
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eyeViewport.Pos.x = (eyeRenderDesc[eye].DistortedViewport.Pos.x * m_RenderTargetWidth) / m_DevicePtr->Resolution.w;
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eyeViewport.Pos.y = (eyeRenderDesc[eye].DistortedViewport.Pos.y * m_RenderTargetHeight) / m_DevicePtr->Resolution.h;
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eyeViewport.Size.w = (eyeRenderDesc[eye].DistortedViewport.Size.w * m_RenderTargetWidth) / m_DevicePtr->Resolution.w;
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eyeViewport.Size.h = (eyeRenderDesc[eye].DistortedViewport.Size.h * m_RenderTargetHeight) / m_DevicePtr->Resolution.h;
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// calculate hfov and ar
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float combinedTanHalfFovHorizontal = max(fov.LeftTan, fov.RightTan);
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float combinedTanHalfFovVertical = max(fov.UpTan, fov.DownTan);
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float horizontalFullFovInRadians = 2.0f * atanf (combinedTanHalfFovHorizontal);
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float aspectRatio = combinedTanHalfFovHorizontal / combinedTanHalfFovVertical;
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m_EyeHFov[eye] = horizontalFullFovInRadians;
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m_EyeAR[eye] = aspectRatio;
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nldebug("OVR: FOV: %f, AR: %f", horizontalFullFovInRadians, aspectRatio);
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nldebug("OVR: HFOV: %f, AR: %f", horizontalFullFovInRadians, aspectRatio);
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// get distortion mesh
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ovrDistortionMesh meshData;
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ovrHmd_CreateDistortionMesh(m_DevicePtr, (ovrEyeType)eye, fov,
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ovrDistortionCap_Chromatic | ovrDistortionCap_TimeWarp | ovrDistortionCap_Vignette,
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&meshData);
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ovrVector2f uvScaleOffset[2];
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// get parameters for programs
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ovrHmd_GetRenderScaleAndOffset(fov,
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fovTextureSize[eye], eyeViewport,
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(ovrVector2f *)uvScaleOffset);
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m_EyeUVScaleOffset[eye][0] = NLMISC::CVector2f(uvScaleOffset[0].x, uvScaleOffset[0].y);
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m_EyeUVScaleOffset[eye][1] = NLMISC::CVector2f(uvScaleOffset[1].x, uvScaleOffset[1].y);
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// create distortion mesh vertex buffer
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m_VB.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag | CVertexBuffer::TexCoord1Flag | CVertexBuffer::TexCoord2Flag | CVertexBuffer::PrimaryColorFlag);
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m_VB.setPreferredMemory(CVertexBuffer::StaticPreferred, false);
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m_VB.setNumVertices(meshData.VertexCount);
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{
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CVertexBufferReadWrite vba;
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m_VB.lock(vba);
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for (uint i = 0; i < meshData.VertexCount; ++i)
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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::CRGBA color;
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color.R = color.G = color.B = (uint8)(ov.VignetteFactor * 255.99f);
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color.A = (uint8)(ov.TimeWarpFactor * 255.99f);
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vba.setColor(i, color);
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}
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}
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// create distortion mesh index buffer
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m_IB.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
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m_IB.setPreferredMemory(CIndexBuffer::StaticPreferred, false);
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m_IB.setNumIndexes(meshData.IndexCount);
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{
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CIndexBufferReadWrite iba;
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m_IB.lock(iba);
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for (uint i = 0; i + 2 < meshData.IndexCount; i += 3)
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{
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nlassert(meshData.pIndexData[i] < meshData.VertexCount);
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nlassert(meshData.pIndexData[i + 1] < meshData.VertexCount);
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nlassert(meshData.pIndexData[i + 2] < meshData.VertexCount);
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iba.setTri(i, meshData.pIndexData[i], meshData.pIndexData[i + 1], meshData.pIndexData[i + 2]);
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}
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}
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// set tri count
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m_NbTris = meshData.IndexCount / 3;
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// destroy ovr distortion mesh
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ovrHmd_DestroyDistortionMesh(&meshData);
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}
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// 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
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// 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
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// 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
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// 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
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// DEBUG EARLY EXIT
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nldebug("OVR: Early exit");
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@ -247,16 +315,15 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
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CStereoOVR::~CStereoOVR()
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{
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/*if (!m_BarrelMat.empty())
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if (!m_UnlitMat.empty())
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{
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m_BarrelMat.getObjectPtr()->setTexture(0, NULL);
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m_Driver->deleteMaterial(m_BarrelMat);
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m_Driver->deleteMaterial(m_UnlitMat);
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}
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delete m_PixelProgram;
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m_PixelProgram = NULL;
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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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m_Driver = NULL;
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if (m_DevicePtr)
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{
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@ -265,40 +332,73 @@ CStereoOVR::~CStereoOVR()
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--s_DeviceCounter;
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}
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}
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/*
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class CPixelProgramOVR : public CPixelProgram
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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 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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uint HmdWarpParam;*/
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};
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CPixelProgramOVR()
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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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CSource *source = new CSource();
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source->Profile = fp40;
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source->Features.MaterialFlags = CProgramFeatures::TextureStages;
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source->setSourcePtr(g_StereoOVR_fp40);
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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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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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@ -322,7 +422,7 @@ public:
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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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}
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virtual ~CPixelProgramOVR()
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@ -334,7 +434,7 @@ public:
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{
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CPixelProgram::buildInfo();
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m_OVRIndices.LensCenter = getUniformIndex("cLensCenter");
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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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@ -343,7 +443,7 @@ public:
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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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nlassert(m_OVRIndices.HmdWarpParam != ~0);*/
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}
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inline const COVRIndices &ovrIndices() { return m_OVRIndices; }
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@ -352,83 +452,57 @@ private:
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COVRIndices m_OVRIndices;
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};
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*/
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void CStereoOVR::setDriver(NL3D::UDriver *driver)
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{/*
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nlassert(!m_PixelProgram);
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NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(driver))->getDriver();
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if (drvInternal->supportBloomEffect() && drvInternal->supportNonPowerOfTwoTextures())
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{
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m_PixelProgram = new CPixelProgramOVR();
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if (!drvInternal->compilePixelProgram(m_PixelProgram))
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{
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m_PixelProgram.kill();
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}
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}
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if (m_PixelProgram)
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{
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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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/*m_BarrelTex = new CTextureBloom(); // lol bloom
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m_BarrelTex->setRenderTarget(true);
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m_BarrelTex->setReleasable(false);
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m_BarrelTex->resize(m_DevicePtr->HMDInfo.HResolution, m_DevicePtr->HMDInfo.VResolution);
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m_BarrelTex->setFilterMode(ITexture::Linear, ITexture::LinearMipMapOff);
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m_BarrelTex->setWrapS(ITexture::Clamp);
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m_BarrelTex->setWrapT(ITexture::Clamp);
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drvInternal->setupTexture(*m_BarrelTex);
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m_BarrelTexU = new CTextureUser(m_BarrelTex);* /
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CDriverUser *dru = static_cast<CDriverUser *>(driver);
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IDriver *drv = dru->getDriver();
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m_BarrelMat = m_Driver->createMaterial();
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m_BarrelMat.initUnlit();
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m_BarrelMat.setColor(CRGBA::White);
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m_BarrelMat.setBlend (false);
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m_BarrelMat.setAlphaTest (false);
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NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
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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_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);
|
||||
|
||||
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
|
||||
if (drv->supportBloomEffect() && drv->supportNonPowerOfTwoTextures())
|
||||
{
|
||||
nlwarning("VR: No pixel program support");
|
||||
}*/
|
||||
m_PP = new CPixelProgramOVR();
|
||||
if (!drv->compilePixelProgram(m_PP))
|
||||
{
|
||||
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;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool CStereoOVR::getScreenResolution(uint &width, uint &height)
|
||||
{
|
||||
/*width = m_DevicePtr->HMDInfo.HResolution;
|
||||
height = m_DevicePtr->HMDInfo.VResolution;*/
|
||||
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)
|
||||
|
|
|
|||
Loading…
Reference in a new issue