COculusVR::COculusVR(bool latency)
{
m_isReady = true;
// Initializes LibOVR, and the Rift
ovr_Initialize();
Hmd = ovrHmd_Create(0);
if (!Hmd)
{
MessageBoxA(NULL, "Oculus Rift not detected.", "", MB_OK);
return;
}
if (Hmd->ProductName[0] == '\0')
MessageBoxA(NULL, "Rift detected, display not enabled.", "", MB_OK);
if (Hmd->HmdCaps & ovrHmdCap_ExtendDesktop)
{
WindowSize = Hmd->Resolution;
}
else
{
// In Direct App-rendered mode, we can use smaller window size,
// as it can have its own contents and isn't tied to the buffer.
WindowSize = Sizei(1100, 618);//Sizei(960, 540); avoid rotated output bug.
}
ovrHmd_AttachToWindow(Hmd, wzGetWindowHandle(), NULL, NULL);
// Configure Stereo settings.
Sizei recommenedTex0Size = ovrHmd_GetFovTextureSize(Hmd, ovrEye_Left, Hmd->DefaultEyeFov[0], 1.0f);
Sizei recommenedTex1Size = ovrHmd_GetFovTextureSize(Hmd, ovrEye_Right, Hmd->DefaultEyeFov[1], 1.0f);
EyeRenderTargetSize.w = recommenedTex0Size.w + recommenedTex1Size.w;
EyeRenderTargetSize.h = Alg::Max( recommenedTex0Size.h, recommenedTex1Size.h );
//Create Framebuffer
wzCreateRenderTarget(&m_screenRender);
wzCreateRenderBufferDepth(&m_screenBuffer,EyeRenderTargetSize.w,EyeRenderTargetSize.h);
wzCreateTexture(&m_screenTex,EyeRenderTargetSize.w,EyeRenderTargetSize.h,WZ_FORMATTYPE_RGB,NULL);
//attach
wzSetRenderBuffer(&m_screenRender,&m_screenBuffer);
wzSetRenderTexture(&m_screenRender,&m_screenTex);
// Initialize eye rendering information.
// The viewport sizes are re-computed in case RenderTargetSize changed due to HW limitations.
ovrFovPort eyeFov[2] = { Hmd->DefaultEyeFov[0], Hmd->DefaultEyeFov[1] } ;
EyeRenderViewport[0].Pos = Vector2i(0,0);
EyeRenderViewport[0].Size = Sizei(EyeRenderTargetSize.w / 2, EyeRenderTargetSize.h);
EyeRenderViewport[1].Pos = Vector2i((EyeRenderTargetSize.w + 1) / 2, 0);
EyeRenderViewport[1].Size = EyeRenderViewport[0].Size;
//Shader vertex format
wzVertexElements ve_var[] = {
{WZVETYPE_FLOAT2,"position"},
{WZVETYPE_FLOAT1,"timewarpLerpFactor"},
{WZVETYPE_FLOAT1,"vignette"},
{WZVETYPE_FLOAT2,"texCoord0"},
{WZVETYPE_FLOAT2,"texCoord1"},
{WZVETYPE_FLOAT2,"texCoord2"},
WZVE_TMT()
};
//carete mesh
for ( int eyeNum = 0; eyeNum < 2; eyeNum++ )
{
// Allocate mesh vertices, registering with renderer using the OVR vertex format.
ovrDistortionMesh meshData;
ovrHmd_CreateDistortionMesh(Hmd, (ovrEyeType) eyeNum, eyeFov[eyeNum],
ovrDistortionCap_Chromatic | ovrDistortionCap_TimeWarp, &meshData);
//Create datas
wzVector2* vertex_pos = new wzVector2[meshData.VertexCount];
float* vertex_posTimewarp = new float[meshData.VertexCount];
float* vertex_posVignette = new float[meshData.VertexCount];
wzVector2* vertex_textanR = new wzVector2[meshData.VertexCount];
wzVector2* vertex_textanG = new wzVector2[meshData.VertexCount];
wzVector2* vertex_textanB = new wzVector2[meshData.VertexCount];
//data copy
for(unsigned int i = 0; i < meshData.VertexCount; i++) {
vertex_pos[i].x = meshData.pVertexData[i].ScreenPosNDC.x;
vertex_pos[i].y = meshData.pVertexData[i].ScreenPosNDC.y;
vertex_posTimewarp[i] = meshData.pVertexData[i].TimeWarpFactor;
vertex_posVignette[i] = meshData.pVertexData[i].VignetteFactor;
vertex_textanR[i].x = meshData.pVertexData[i].TanEyeAnglesR.x;
vertex_textanR[i].y = meshData.pVertexData[i].TanEyeAnglesR.y;
vertex_textanG[i].x = meshData.pVertexData[i].TanEyeAnglesG.x;
vertex_textanG[i].y = meshData.pVertexData[i].TanEyeAnglesG.y;
vertex_textanB[i].x = meshData.pVertexData[i].TanEyeAnglesB.x;
vertex_textanB[i].y = meshData.pVertexData[i].TanEyeAnglesB.y;
}
void* vertex_pointer[] = {vertex_pos,vertex_posTimewarp,vertex_posVignette,vertex_textanR,vertex_textanG,vertex_textanB};
if(wzCreateMesh(&MeshBuffer[eyeNum], vertex_pointer, ve_var,
meshData.pIndexData, meshData.VertexCount, meshData.IndexCount)) {
MessageBoxA(NULL, "Lens Distort Mesh Error.", "", MB_OK);
delete[] vertex_pos;
delete[] vertex_posTimewarp;
delete[] vertex_posVignette;
delete[] vertex_textanR;
delete[] vertex_textanG;
delete[] vertex_textanB;
return; //error
}
wzChangeDrawMode(&MeshBuffer[eyeNum],WZ_MESH_DF_TRIANGLELIST);
delete[] vertex_pos;
delete[] vertex_posTimewarp;
delete[] vertex_posVignette;
delete[] vertex_textanR;
delete[] vertex_textanG;
delete[] vertex_textanB;
ovrHmd_DestroyDistortionMesh(&meshData);
//Create eye render description for use later
EyeRenderDesc[eyeNum] = ovrHmd_GetRenderDesc(Hmd, (ovrEyeType) eyeNum, eyeFov[eyeNum]);
//Do scale and offset
ovrHmd_GetRenderScaleAndOffset(eyeFov[eyeNum],EyeRenderTargetSize, EyeRenderViewport[eyeNum], UVScaleOffset[eyeNum]);
}
//Create shader
if(wzCreateShader(&LensShader, ols_vertexshader,ols_flagshader, ve_var)) {
MessageBoxA(NULL, "Lens Shader Compile Error.", "", MB_OK);
return;
}
if(latency) ovrHmd_SetEnabledCaps(Hmd, ovrHmdCap_DynamicPrediction); //ovrHmdCap_LowPersistence
// Start the sensor which informs of the Rift's pose and motion
ovrHmd_ConfigureTracking(Hmd, ovrTrackingCap_Orientation |
ovrTrackingCap_MagYawCorrection, 0); //not use : ovrTrackingCap_Position
m_isReady = false;
}
bool C3DCubeModel::CreateModel(float size)
{
if(m_isCreated)
return false;
// Shader vertex format
wzVertexElements ve_var[] = {
{WZVETYPE_FLOAT3,"vPos"},
{WZVETYPE_FLOAT3,"vNml"},
WZVE_TMT()
};
// Create shader.
if(wzCreateShader_GLSL(&m_shader,
g_c3d_mdsource_vs,g_c3d_mdsource_fs,ve_var))
return false;
// Create mesh
float half_width = size * 0.5f;
float half_depth = size * 0.5f;
const float vertex_pointer_v[] = {
-half_width, 0.000, half_depth,
half_width, 0.000, half_depth,
-half_width, size, half_depth,
-half_width, size, half_depth,
half_width, 0.000, half_depth,
half_width, size, half_depth,
-half_width, size, half_depth,
half_width, size, half_depth,
-half_width, size, -half_depth,
-half_width, size, -half_depth,
half_width, size, half_depth,
half_width, size, -half_depth,
-half_width, size, -half_depth,
half_width, size, -half_depth,
-half_width, 0.000, -half_depth,
-half_width, 0.000, -half_depth,
half_width, size, -half_depth,
half_width, 0.000, -half_depth,
-half_width, 0.000, -half_depth,
half_width, 0.000, -half_depth,
-half_width, 0.000, half_depth,
-half_width, 0.000, half_depth,
half_width, 0.000, -half_depth,
half_width, 0.000, half_depth,
half_width, 0.000, half_depth,
half_width, 0.000, -half_depth,
half_width, size, half_depth,
half_width, size, half_depth,
half_width, 0.000, -half_depth,
half_width, size, -half_depth,
-half_width, 0.000, -half_depth,
-half_width, 0.000, half_depth,
-half_width, size, -half_depth,
-half_width, size, -half_depth,
-half_width, 0.000, half_depth,
-half_width, size, half_depth,
};
const float vertex_pointer_nml[] = {
0.000000, 0.000000, 1.000000,
0.000000, 0.000000, 1.000000,
0.000000, 0.000000, 1.000000,
0.000000, 0.000000, 1.000000,
0.000000, 0.000000, 1.000000,
0.000000, 0.000000, 1.000000,
0.000000, 1.000000, 0.000000,
0.000000, 1.000000, 0.000000,
0.000000, 1.000000, 0.000000,
0.000000, 1.000000, 0.000000,
0.000000, 1.000000, 0.000000,
0.000000, 1.000000, 0.000000,
0.000000, 0.000000, -1.000000,
0.000000, 0.000000, -1.000000,
0.000000, 0.000000, -1.000000,
0.000000, 0.000000, -1.000000,
0.000000, 0.000000, -1.000000,
0.000000, 0.000000, -1.000000,
0.000000, -1.000000, 0.000000,
0.000000, -1.000000, 0.000000,
0.000000, -1.000000, 0.000000,
0.000000, -1.000000, 0.000000,
0.000000, -1.000000, 0.000000,
0.000000, -1.000000, 0.000000,
1.000000, 0.000000, 0.000000,
1.000000, 0.000000, 0.000000,
1.000000, 0.000000, 0.000000,
1.000000, 0.000000, 0.000000,
1.000000, 0.000000, 0.000000,
1.000000, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000,
};
const float* vertex_pointer[] = {vertex_pointer_v, vertex_pointer_nml};
if(wzCreateMesh(&m_cube, (void**)&vertex_pointer, ve_var, NULL, 36, 12)) {
return false;
}
wzChangeDrawMode(&m_cube,WZ_MESH_DF_TRIANGLELIST);
// Created flag
m_isCreated = true;
return true;
}
