int RiftAppSkeleton::ConfigureClientRendering()
{
if (m_Hmd == NULL)
return 1;
ovrSizei l_TextureSizeLeft = ovrHmd_GetFovTextureSize(m_Hmd, ovrEye_Left, m_Hmd->DefaultEyeFov[0], 1.0f);
ovrSizei l_TextureSizeRight = ovrHmd_GetFovTextureSize(m_Hmd, ovrEye_Right, m_Hmd->DefaultEyeFov[1], 1.0f);
ovrSizei l_TextureSize;
l_TextureSize.w = l_TextureSizeLeft.w + l_TextureSizeRight.w;
l_TextureSize.h = std::max(l_TextureSizeLeft.h, l_TextureSizeRight.h);
// Renderbuffer init - we can use smaller subsets of it easily
deallocateFBO(m_renderBuffer);
allocateFBO(m_renderBuffer, l_TextureSize.w, l_TextureSize.h);
l_EyeTexture[0].OGL.Header.API = ovrRenderAPI_OpenGL;
l_EyeTexture[0].OGL.Header.TextureSize.w = l_TextureSize.w;
l_EyeTexture[0].OGL.Header.TextureSize.h = l_TextureSize.h;
l_EyeTexture[0].OGL.Header.RenderViewport.Pos.x = 0;
l_EyeTexture[0].OGL.Header.RenderViewport.Pos.y = 0;
l_EyeTexture[0].OGL.Header.RenderViewport.Size.w = l_TextureSize.w/2;
l_EyeTexture[0].OGL.Header.RenderViewport.Size.h = l_TextureSize.h;
l_EyeTexture[0].OGL.TexId = m_renderBuffer.tex;
// Right eye the same, except for the x-position in the texture...
l_EyeTexture[1] = l_EyeTexture[0];
l_EyeTexture[1].OGL.Header.RenderViewport.Pos.x = (l_TextureSize.w+1) / 2;
m_RenderViewports[0] = l_EyeTexture[0].OGL.Header.RenderViewport;
m_RenderViewports[1] = l_EyeTexture[1].OGL.Header.RenderViewport;
const int distortionCaps =
ovrDistortionCap_Chromatic |
ovrDistortionCap_TimeWarp |
ovrDistortionCap_Vignette;
// Generate distortion mesh for each eye
for (int eyeNum = 0; eyeNum < 2; eyeNum++)
{
// Allocate & generate distortion mesh vertices.
ovrHmd_CreateDistortionMesh(
m_Hmd,
m_EyeRenderDesc[eyeNum].Eye,
m_EyeRenderDesc[eyeNum].Fov,
distortionCaps,
&m_DistMeshes[eyeNum]);
ovrHmd_GetRenderScaleAndOffset(
m_EyeRenderDesc[eyeNum].Fov,
l_TextureSize,
m_RenderViewports[eyeNum],
&m_uvScaleOffsetOut[2*eyeNum]);
}
return 0;
}
void Pane::initGL()
{
m_cursorShader.initProgram("basic");
m_cursorShader.bindVAO();
_InitPointerAttributes();
glBindVertexArray(0);
m_plane.initProgram("basictex");
m_plane.bindVAO();
_InitPlaneAttributes();
glBindVertexArray(0);
allocateFBO(m_paneRenderBuffer, 600, 600);
}
void RiftAppSkeleton::initGL()
{
for (std::vector<IScene*>::iterator it = m_scenes.begin();
it != m_scenes.end();
++it)
{
IScene* pScene = *it;
if (pScene != NULL)
{
pScene->initGL();
}
}
m_presentFbo.initProgram("presentfbo");
_initPresentFbo();
m_presentDistMeshL.initProgram("presentmesh");
m_presentDistMeshR.initProgram("presentmesh");
// Init the present mesh VAO *after* initVR, which creates the mesh
// sensible initial value?
allocateFBO(m_renderBuffer, 800, 600);
m_fm.Init();
}
