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OpenXR - OpenGL support

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This commit is contained in:
Lubos
2024-06-24 17:54:26 +02:00
parent 86881d374e
commit 4dc3f45d8d
1 changed files with 17 additions and 9 deletions
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Common/VR/VRFramebuffer.cpp
+17 -9
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@@ -1,11 +1,19 @@
#include "VRFramebuffer.h"
#if XR_USE_GRAPHICS_API_OPENGL_ES
#if XR_USE_GRAPHICS_API_OPENGL || XR_USE_GRAPHICS_API_OPENGL_ES
#include "Common/GPU/OpenGL/GLCommon.h"
#endif
#if XR_USE_GRAPHICS_API_OPENGL_ES
#define XR_GL_IMAGE XrSwapchainImageOpenGLESKHR
#define XR_GL_SWAPCHAIN XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR
#else
#define XR_GL_IMAGE XrSwapchainImageOpenGLKHR
#define XR_GL_SWAPCHAIN XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR
#endif
#include <cstdio>
#include <cstdlib>
#include <cstring>
@@ -107,20 +115,20 @@ static bool ovrFramebuffer_CreateGL(XrSession session, ovrFramebuffer* frameBuff
swapChainCreateInfo.usageFlags = XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT;
OXR(xrCreateSwapchain(session, &swapChainCreateInfo, &frameBuffer->ColorSwapChain.Handle));
OXR(xrEnumerateSwapchainImages(frameBuffer->ColorSwapChain.Handle, 0, &frameBuffer->TextureSwapChainLength, NULL));
frameBuffer->ColorSwapChainImage = malloc(frameBuffer->TextureSwapChainLength * sizeof(XrSwapchainImageOpenGLESKHR));
frameBuffer->ColorSwapChainImage = malloc(frameBuffer->TextureSwapChainLength * sizeof(XR_GL_IMAGE));
// Create the depth swapchain.
swapChainCreateInfo.format = GL_DEPTH24_STENCIL8;
swapChainCreateInfo.usageFlags = XR_SWAPCHAIN_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
OXR(xrCreateSwapchain(session, &swapChainCreateInfo, &frameBuffer->DepthSwapChain.Handle));
frameBuffer->DepthSwapChainImage = malloc(frameBuffer->TextureSwapChainLength * sizeof(XrSwapchainImageOpenGLESKHR));
frameBuffer->DepthSwapChainImage = malloc(frameBuffer->TextureSwapChainLength * sizeof(XR_GL_IMAGE));
// Populate the swapchain image array.
for (uint32_t i = 0; i < frameBuffer->TextureSwapChainLength; i++) {
((XrSwapchainImageOpenGLESKHR*)frameBuffer->ColorSwapChainImage)[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR;
((XrSwapchainImageOpenGLESKHR*)frameBuffer->ColorSwapChainImage)[i].next = NULL;
((XrSwapchainImageOpenGLESKHR*)frameBuffer->DepthSwapChainImage)[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR;
((XrSwapchainImageOpenGLESKHR*)frameBuffer->DepthSwapChainImage)[i].next = NULL;
((XR_GL_IMAGE*)frameBuffer->ColorSwapChainImage)[i].type = XR_GL_SWAPCHAIN;
((XR_GL_IMAGE*)frameBuffer->ColorSwapChainImage)[i].next = NULL;
((XR_GL_IMAGE*)frameBuffer->DepthSwapChainImage)[i].type = XR_GL_SWAPCHAIN;
((XR_GL_IMAGE*)frameBuffer->DepthSwapChainImage)[i].next = NULL;
}
OXR(xrEnumerateSwapchainImages(
frameBuffer->ColorSwapChain.Handle,
@@ -135,8 +143,8 @@ static bool ovrFramebuffer_CreateGL(XrSession session, ovrFramebuffer* frameBuff
frameBuffer->GLFrameBuffers = (GLuint*)malloc(frameBuffer->TextureSwapChainLength * sizeof(GLuint));
for (uint32_t i = 0; i < frameBuffer->TextureSwapChainLength; i++) {
const GLuint colorTexture = ((XrSwapchainImageOpenGLESKHR*)frameBuffer->ColorSwapChainImage)[i].image;
const GLuint depthTexture = ((XrSwapchainImageOpenGLESKHR*)frameBuffer->DepthSwapChainImage)[i].image;
const GLuint colorTexture = ((XR_GL_IMAGE*)frameBuffer->ColorSwapChainImage)[i].image;
const GLuint depthTexture = ((XR_GL_IMAGE*)frameBuffer->DepthSwapChainImage)[i].image;
// Create the frame buffer.
GL(glGenFramebuffers(1, &frameBuffer->GLFrameBuffers[i]));