mirror of
https://github.com/bkaradzic/bgfx.git
synced 2026-02-19 21:42:59 +01:00
Combine OVRBufferI and OVRMirrorI into a single interface
Simplify the renderer interface for VR to separate the OVR implementation from the overall HMD foundation. Part of merging OpenVR back upstream.
This commit is contained in:
Matthew Endsley
@@ -2961,19 +2961,8 @@ namespace bgfx { namespace gl
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{
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const uint32_t msaaSamples = 1 << ((m_resolution.m_flags&BGFX_RESET_MSAA_MASK) >> BGFX_RESET_MSAA_SHIFT);
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for (uint32_t ii = 0; ii < 2; ++ii)
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{
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// eye buffers need to be initialized only once during application lifetime
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if (NULL == m_ovr.m_eyeBuffers[ii])
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{
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m_ovr.m_eyeBuffers[ii] = &m_ovrBuffers[ii];
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m_ovr.m_eyeBuffers[ii]->create(m_ovr.m_hmd, ii, msaaSamples);
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}
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}
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// recreate mirror texture
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m_ovr.m_mirror = &m_ovrMirror;
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m_ovr.m_mirror->create(m_ovr.m_hmd, m_resolution.m_width, m_resolution.m_height);
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m_ovr.m_render = &m_ovrRender;
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m_ovr.m_render->create(m_ovr.m_hmd, msaaSamples, m_resolution.m_width, m_resolution.m_height);
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}
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}
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#endif // BGFX_CONFIG_USE_OVR
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@@ -3407,8 +3396,7 @@ namespace bgfx { namespace gl
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OVR m_ovr;
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#if BGFX_CONFIG_USE_OVR
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OVRMirrorGL m_ovrMirror;
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OVRBufferGL m_ovrBuffers[2];
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OVRRenderGL m_ovrRender;
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#endif // BGFX_CONFIG_USE_OVR
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};
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@@ -3429,194 +3417,207 @@ namespace bgfx { namespace gl
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}
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#if BGFX_CONFIG_USE_OVR
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void OVRBufferGL::create(const ovrSession& _session, int _eyeIdx, int _msaaSamples)
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OVRRenderGL::OVRRenderGL()
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{
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m_eyeFbo = 0;
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m_eyeTexId = 0;
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m_depthBuffer = 0;
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m_msaaEyeFbo = 0;
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m_msaaEyeTexId = 0;
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m_msaaDepthBuffer = 0;
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memset(&m_eyeFbo, 0, sizeof(m_eyeFbo));
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m_mirrorFBO = 0;
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}
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ovrHmdDesc hmdDesc = ovr_GetHmdDesc(_session);
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m_eyeTextureSize = ovr_GetFovTextureSize(_session, ovrEyeType(_eyeIdx), hmdDesc.DefaultEyeFov[_eyeIdx], 1.0f);
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ovrTextureSwapChainDesc desc = {};
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desc.Type = ovrTexture_2D;
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desc.ArraySize = 1;
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desc.Width = m_eyeTextureSize.w;
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desc.Height = m_eyeTextureSize.h;
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desc.MipLevels = 1;
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desc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB;
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desc.SampleCount = 1;
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desc.StaticImage = ovrFalse;
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ovr_CreateTextureSwapChainGL(_session, &desc, &m_textureSwapChain);
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int textureCount = 0;
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ovr_GetTextureSwapChainLength(_session, m_textureSwapChain, &textureCount);
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for (int j = 0; j < textureCount; ++j)
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void OVRRenderGL::create(const ovrSession& _session, int _msaaSamples, int _mirrorWidth, int _mirrorHeight)
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{
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for (int eye = 0; eye < 2; ++eye)
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{
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GLuint chainTexId;
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ovr_GetTextureSwapChainBufferGL(_session, m_textureSwapChain, j, &chainTexId);
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, chainTexId) );
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if (NULL == m_textureSwapChain[eye])
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{
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m_eyeFbo[eye] = 0;
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m_eyeTexId[eye] = 0;
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m_depthBuffer[eye] = 0;
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m_msaaEyeFbo[eye] = 0;
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m_msaaEyeTexId[eye] = 0;
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m_msaaDepthBuffer[eye] = 0;
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
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ovrHmdDesc hmdDesc = ovr_GetHmdDesc(_session);
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m_eyeTextureSize[eye] = ovr_GetFovTextureSize(_session, ovrEyeType(eye), hmdDesc.DefaultEyeFov[eye], 1.0f);
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ovrTextureSwapChainDesc desc = {};
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desc.Type = ovrTexture_2D;
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desc.ArraySize = 1;
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desc.Width = m_eyeTextureSize[eye].w;
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desc.Height = m_eyeTextureSize[eye].h;
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desc.MipLevels = 1;
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desc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB;
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desc.SampleCount = 1;
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desc.StaticImage = ovrFalse;
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ovr_CreateTextureSwapChainGL(_session, &desc, &m_textureSwapChain[eye]);
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int textureCount = 0;
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ovr_GetTextureSwapChainLength(_session, m_textureSwapChain[eye], &textureCount);
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for (int j = 0; j < textureCount; ++j)
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{
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GLuint chainTexId;
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ovr_GetTextureSwapChainBufferGL(_session, m_textureSwapChain[eye], j, &chainTexId);
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, chainTexId) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
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}
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GL_CHECK(glGenFramebuffers(1, &m_eyeFbo[eye]) );
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// create depth buffer
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GL_CHECK(glGenTextures(1, &m_depthBuffer[eye]) );
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, m_depthBuffer[eye]) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
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GL_CHECK(glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, m_eyeTextureSize[eye].w, m_eyeTextureSize[eye].h, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL) );
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// create MSAA buffers
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if (_msaaSamples > 1)
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{
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GL_CHECK(glGenFramebuffers(1, &m_msaaEyeFbo[eye]) );
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// create color MSAA texture
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GL_CHECK(glGenTextures(1, &m_msaaEyeTexId[eye]) );
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GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_msaaEyeTexId[eye]) );
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GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, _msaaSamples, GL_RGBA, m_eyeTextureSize[eye].w, m_eyeTextureSize[eye].h, false) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAX_LEVEL, 0) );
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// create MSAA depth buffer
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GL_CHECK(glGenTextures(1, &m_msaaDepthBuffer[eye]) );
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GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_msaaDepthBuffer[eye]) );
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GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, _msaaSamples, GL_DEPTH_COMPONENT, m_eyeTextureSize[eye].w, m_eyeTextureSize[eye].h, false) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAX_LEVEL, 0) );
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}
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}
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}
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GL_CHECK(glGenFramebuffers(1, &m_eyeFbo) );
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// create depth buffer
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GL_CHECK(glGenTextures(1, &m_depthBuffer) );
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, m_depthBuffer) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
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GL_CHECK(glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, m_eyeTextureSize.w, m_eyeTextureSize.h, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL) );
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// create MSAA buffers
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if (_msaaSamples > 1)
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if (NULL == m_mirrorTexture)
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{
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GL_CHECK(glGenFramebuffers(1, &m_msaaEyeFbo) );
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memset(&m_mirrorTextureDesc, 0, sizeof(m_mirrorTextureDesc) );
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m_mirrorTextureDesc.Width = _mirrorWidth;
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m_mirrorTextureDesc.Height = _mirrorHeight;
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m_mirrorTextureDesc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB;
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// create color MSAA texture
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GL_CHECK(glGenTextures(1, &m_msaaEyeTexId) );
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GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_msaaEyeTexId) );
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ovr_CreateMirrorTextureGL(_session, &m_mirrorTextureDesc, &m_mirrorTexture);
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GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, _msaaSamples, GL_RGBA, m_eyeTextureSize.w, m_eyeTextureSize.h, false) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAX_LEVEL, 0) );
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// Fallback to doing nothing if mirror was not created. This is to prevent errors with fast window resizes
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if (!m_mirrorTexture)
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return;
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// create MSAA depth buffer
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GL_CHECK(glGenTextures(1, &m_msaaDepthBuffer) );
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GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_msaaDepthBuffer) );
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// Configure the mirror read buffer
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GLuint texId;
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ovr_GetMirrorTextureBufferGL(_session, m_mirrorTexture, &texId);
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GL_CHECK(glGenFramebuffers(1, &m_mirrorFBO) );
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GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_mirrorFBO) );
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GL_CHECK(glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texId, 0) );
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GL_CHECK(glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0) );
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GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, 0) );
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GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, _msaaSamples, GL_DEPTH_COMPONENT, m_eyeTextureSize.w, m_eyeTextureSize.h, false) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
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GL_CHECK(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAX_LEVEL, 0) );
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
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{
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GL_CHECK(glDeleteFramebuffers(1, &m_mirrorFBO) );
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BX_CHECK(false, "Could not initialize VR buffers!");
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}
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}
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}
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void OVRBufferGL::render(const ovrSession& _session)
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void OVRRenderGL::startEyeRender(const ovrSession& _session, int _eyeIdx)
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{
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// set the current eye texture in swap chain
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int curIndex;
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ovr_GetTextureSwapChainCurrentIndex(_session, m_textureSwapChain, &curIndex);
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ovr_GetTextureSwapChainBufferGL(_session, m_textureSwapChain, curIndex, &m_eyeTexId);
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ovr_GetTextureSwapChainCurrentIndex(_session, m_textureSwapChain[_eyeIdx], &curIndex);
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ovr_GetTextureSwapChainBufferGL(_session, m_textureSwapChain[_eyeIdx], curIndex, &m_eyeTexId[_eyeIdx]);
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if (0 != m_msaaEyeFbo)
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{
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_msaaEyeFbo) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, m_msaaEyeTexId, 0) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D_MULTISAMPLE, m_msaaDepthBuffer, 0) );
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_msaaEyeFbo[_eyeIdx]) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, m_msaaEyeTexId[_eyeIdx], 0) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D_MULTISAMPLE, m_msaaDepthBuffer[_eyeIdx], 0) );
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}
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else // MSAA disabled? render directly to eye buffer
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{
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_eyeFbo) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_eyeTexId, 0) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, m_depthBuffer, 0) );
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_eyeFbo[_eyeIdx]) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_eyeTexId[_eyeIdx], 0) );
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GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, m_depthBuffer[_eyeIdx], 0) );
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}
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GL_CHECK(glViewport(0, 0, m_eyeTextureSize.w, m_eyeTextureSize.h) );
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GL_CHECK(glViewport(0, 0, m_eyeTextureSize[_eyeIdx].w, m_eyeTextureSize[_eyeIdx].h) );
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GL_CHECK(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) );
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}
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void OVRBufferGL::postRender(const ovrSession& /*_sesion*/)
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void OVRRenderGL::postRender(const ovrSession& /*_sesion*/, int _eyeIdx)
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{
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if (0 != m_msaaEyeFbo && 0 != m_eyeTexId)
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if (0 != m_msaaEyeFbo[_eyeIdx] && 0 != m_eyeTexId[_eyeIdx])
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{
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// blit the contents of MSAA FBO to the regular eye buffer "connected" to the HMD
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GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_msaaEyeFbo));
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GL_CHECK(glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, m_msaaEyeTexId, 0) );
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GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_msaaEyeFbo[_eyeIdx]));
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GL_CHECK(glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, m_msaaEyeTexId[_eyeIdx], 0) );
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GL_CHECK(glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0) );
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BX_CHECK(GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_READ_FRAMEBUFFER)
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, "glCheckFramebufferStatus failed 0x%08x"
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, glCheckFramebufferStatus(GL_READ_FRAMEBUFFER) );
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GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_eyeFbo));
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GL_CHECK(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_eyeTexId, 0) );
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GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_eyeFbo[_eyeIdx]));
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GL_CHECK(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_eyeTexId[_eyeIdx], 0) );
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GL_CHECK(glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0) );
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BX_CHECK(GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)
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, "glCheckFramebufferStatus failed 0x%08x"
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, glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER) );
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GL_CHECK(glBlitFramebuffer(0, 0, m_eyeTextureSize.w, m_eyeTextureSize.h,
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0, 0, m_eyeTextureSize.w, m_eyeTextureSize.h, GL_COLOR_BUFFER_BIT, GL_NEAREST) );
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GL_CHECK(glBlitFramebuffer(0, 0, m_eyeTextureSize[_eyeIdx].w, m_eyeTextureSize[_eyeIdx].h,
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0, 0, m_eyeTextureSize[_eyeIdx].w, m_eyeTextureSize[_eyeIdx].h, GL_COLOR_BUFFER_BIT, GL_NEAREST) );
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, 0) );
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}
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}
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void OVRBufferGL::destroy(const ovrSession& _session)
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void OVRRenderGL::destroy(const ovrSession& _session)
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{
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GL_CHECK(glDeleteFramebuffers(1, &m_eyeFbo) );
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GL_CHECK(glDeleteTextures(1, &m_depthBuffer) );
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ovr_DestroyTextureSwapChain(_session, m_textureSwapChain);
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if (0 != m_msaaEyeFbo)
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for (int eye = 0; eye < 2; ++eye)
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{
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GL_CHECK(glDeleteFramebuffers(1, &m_msaaEyeFbo) );
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m_msaaEyeFbo = 0;
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GL_CHECK(glDeleteFramebuffers(1, &m_eyeFbo[eye]) );
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GL_CHECK(glDeleteTextures(1, &m_depthBuffer[eye]) );
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ovr_DestroyTextureSwapChain(_session, m_textureSwapChain[eye]);
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m_textureSwapChain[eye] = NULL;
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if (0 != m_msaaEyeFbo[eye])
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{
|
||||
GL_CHECK(glDeleteFramebuffers(1, &m_msaaEyeFbo[eye]) );
|
||||
m_msaaEyeFbo[eye] = 0;
|
||||
}
|
||||
|
||||
if (0 != m_msaaEyeTexId[eye])
|
||||
{
|
||||
GL_CHECK(glDeleteTextures(1, &m_msaaEyeTexId[eye]));
|
||||
m_msaaEyeTexId[eye] = 0;
|
||||
}
|
||||
|
||||
if (0 != m_msaaDepthBuffer[eye])
|
||||
{
|
||||
GL_CHECK(glDeleteTextures(1, &m_msaaDepthBuffer[eye]));
|
||||
m_msaaDepthBuffer[eye] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (0 != m_msaaEyeTexId)
|
||||
{
|
||||
GL_CHECK(glDeleteTextures(1, &m_msaaEyeTexId));
|
||||
m_msaaEyeTexId = 0;
|
||||
}
|
||||
|
||||
if (0 != m_msaaDepthBuffer)
|
||||
{
|
||||
GL_CHECK(glDeleteTextures(1, &m_msaaDepthBuffer));
|
||||
m_msaaDepthBuffer = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void OVRMirrorGL::create(const ovrSession& _session, int _width, int _height)
|
||||
{
|
||||
memset(&m_mirrorTextureDesc, 0, sizeof(m_mirrorTextureDesc) );
|
||||
m_mirrorTextureDesc.Width = _width;
|
||||
m_mirrorTextureDesc.Height = _height;
|
||||
m_mirrorTextureDesc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB;
|
||||
|
||||
ovr_CreateMirrorTextureGL(_session, &m_mirrorTextureDesc, &m_mirrorTexture);
|
||||
|
||||
// Fallback to doing nothing if mirror was not created. This is to prevent errors with fast window resizes
|
||||
if (!m_mirrorTexture)
|
||||
return;
|
||||
|
||||
// Configure the mirror read buffer
|
||||
GLuint texId;
|
||||
ovr_GetMirrorTextureBufferGL(_session, m_mirrorTexture, &texId);
|
||||
GL_CHECK(glGenFramebuffers(1, &m_mirrorFBO) );
|
||||
GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_mirrorFBO) );
|
||||
GL_CHECK(glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texId, 0) );
|
||||
GL_CHECK(glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0) );
|
||||
GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, 0) );
|
||||
|
||||
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
|
||||
{
|
||||
GL_CHECK(glDeleteFramebuffers(1, &m_mirrorFBO) );
|
||||
BX_CHECK(false, "Could not initialize VR buffers!");
|
||||
}
|
||||
}
|
||||
|
||||
void OVRMirrorGL::destroy(const ovrSession& _session)
|
||||
{
|
||||
if (NULL != m_mirrorTexture)
|
||||
{
|
||||
GL_CHECK(glDeleteFramebuffers(1, &m_mirrorFBO) );
|
||||
@@ -3625,7 +3626,7 @@ namespace bgfx { namespace gl
|
||||
}
|
||||
}
|
||||
|
||||
void OVRMirrorGL::blit(const ovrSession& /*_session*/)
|
||||
void OVRRenderGL::blitMirror(const ovrSession& /*_session*/)
|
||||
{
|
||||
if (NULL != m_mirrorTexture)
|
||||
{
|
||||
@@ -3638,6 +3639,16 @@ namespace bgfx { namespace gl
|
||||
GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, 0) );
|
||||
}
|
||||
}
|
||||
|
||||
void OVRRenderGL::preReset(const ovrSession& _session)
|
||||
{
|
||||
if (NULL != m_mirrorTexture)
|
||||
{
|
||||
GL_CHECK(glDeleteFramebuffers(1, &m_mirrorFBO) );
|
||||
ovr_DestroyMirrorTexture(_session, m_mirrorTexture);
|
||||
m_mirrorTexture = NULL;
|
||||
}
|
||||
}
|
||||
#endif // BGFX_CONFIG_USE_OVR
|
||||
|
||||
const char* glslTypeName(GLuint _type)
|
||||
|
||||
Reference in New Issue
Block a user