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OpenXR - Restore depth buffer

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This commit is contained in:
Lubos 2024-09-16 17:06:37 +02:00
parent 5e635aab5c
commit 20064445b3
2 changed files with 13 additions and 0 deletions
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1
Common/VR/VRBase.h
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@ -66,6 +66,7 @@ typedef struct {
uint32_t TextureSwapChainIndex;
ovrSwapChain ColorSwapChain;
void* ColorSwapChainImage;
unsigned int* GLDepthBuffers;
unsigned int* GLFrameBuffers;
VkFramebuffer* VKFrameBuffers;
VkImageView* VKColorImages;

12
Common/VR/VRFramebuffer.cpp
View file

@ -48,6 +48,7 @@ void ovrFramebuffer_Clear(ovrFramebuffer* frameBuffer) {
frameBuffer->ColorSwapChain.Height = 0;
frameBuffer->ColorSwapChainImage = NULL;
frameBuffer->GLDepthBuffers = NULL;
frameBuffer->GLFrameBuffers = NULL;
frameBuffer->Acquired = false;
}
@ -122,13 +123,22 @@ static bool ovrFramebuffer_CreateGL(XrSession session, ovrFramebuffer* frameBuff
&frameBuffer->TextureSwapChainLength,
(XrSwapchainImageBaseHeader*)frameBuffer->ColorSwapChainImage));
frameBuffer->GLDepthBuffers = (GLuint*)malloc(frameBuffer->TextureSwapChainLength * sizeof(GLuint));
frameBuffer->GLFrameBuffers = (GLuint*)malloc(frameBuffer->TextureSwapChainLength * sizeof(GLuint));
for (uint32_t i = 0; i < frameBuffer->TextureSwapChainLength; i++) {
const GLuint colorTexture = ((XR_GL_IMAGE*)frameBuffer->ColorSwapChainImage)[i].image;
// Create the depth buffer.
GL(glGenRenderbuffers(1, &frameBuffer->GLDepthBuffers[i]));
GL(glBindRenderbuffer(GL_RENDERBUFFER, frameBuffer->GLDepthBuffers[i]));
GL(glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height));
GL(glBindRenderbuffer(GL_RENDERBUFFER, 0));
// Create the frame buffer.
GL(glGenFramebuffers(1, &frameBuffer->GLFrameBuffers[i]));
GL(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frameBuffer->GLFrameBuffers[i]));
GL(glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, frameBuffer->GLDepthBuffers[i]));
GL(glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, frameBuffer->GLDepthBuffers[i]));
GL(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorTexture, 0));
GL(GLenum renderFramebufferStatus = glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER));
GL(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0));
@ -236,7 +246,9 @@ void ovrFramebuffer_Destroy(ovrFramebuffer* frameBuffer) {
delete[] frameBuffer->VKFrameBuffers;
} else {
#if XR_USE_GRAPHICS_API_OPENGL_ES || XR_USE_GRAPHICS_API_OPENGL
GL(glDeleteRenderbuffers(frameBuffer->TextureSwapChainLength, frameBuffer->GLDepthBuffers));
GL(glDeleteFramebuffers(frameBuffer->TextureSwapChainLength, frameBuffer->GLFrameBuffers));
free(frameBuffer->GLDepthBuffers);
free(frameBuffer->GLFrameBuffers);
#endif
}