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OpenXR - Create VR framebuffer for Vulkan

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This commit is contained in:
Lubos 2022-10-12 19:16:17 +02:00
parent ade606bc3c
commit d0431e494a
2 changed files with 49 additions and 5 deletions
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2
Common/VR/VRBase.h
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@ -111,6 +111,8 @@ typedef struct {
void* DepthSwapChainImage;
unsigned int* GLFrameBuffers;
VkFramebuffer* VKFrameBuffers;
VkImageView* VKColorImages;
VkImageView* VKDepthImages;
bool Acquired;
bool UseVulkan;

52
Common/VR/VRFramebuffer.cpp
View File

@ -187,13 +187,51 @@ bool ovrFramebuffer_CreateVK(XrSession session, ovrFramebuffer* frameBuffer, int
&frameBuffer->TextureSwapChainLength,
(XrSwapchainImageBaseHeader*)frameBuffer->DepthSwapChainImage));
frameBuffer->VKFrameBuffers = (VkFramebuffer*)malloc(frameBuffer->TextureSwapChainLength * sizeof(VkFramebuffer));
frameBuffer->VKColorImages = new VkImageView[frameBuffer->TextureSwapChainLength];
frameBuffer->VKDepthImages = new VkImageView[frameBuffer->TextureSwapChainLength];
frameBuffer->VKFrameBuffers = new VkFramebuffer[frameBuffer->TextureSwapChainLength];
for (uint32_t i = 0; i < frameBuffer->TextureSwapChainLength; i++) {
VkImage colorTexture = ((XrSwapchainImageVulkanKHR*)frameBuffer->ColorSwapChainImage)[i].image;
VkImage depthTexture = ((XrSwapchainImageVulkanKHR*)frameBuffer->DepthSwapChainImage)[i].image;
VkImageViewCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
createInfo.image = ((XrSwapchainImageVulkanKHR*)frameBuffer->ColorSwapChainImage)[i].image;
createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
createInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
createInfo.subresourceRange.baseMipLevel = 0;
createInfo.subresourceRange.levelCount = 1;
createInfo.subresourceRange.baseArrayLayer = 0;
createInfo.subresourceRange.layerCount = swapChainCreateInfo.arraySize;
if (vkCreateImageView(frameBuffer->VKContext->device, &createInfo, nullptr, &frameBuffer->VKColorImages[i]) != VK_SUCCESS) {
ALOGE("failed to create color image view!");
return false;
}
createInfo.image = ((XrSwapchainImageVulkanKHR*)frameBuffer->DepthSwapChainImage)[i].image;
createInfo.format = VK_FORMAT_D24_UNORM_S8_UINT;
createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
if (vkCreateImageView(frameBuffer->VKContext->device, &createInfo, nullptr, &frameBuffer->VKDepthImages[i]) != VK_SUCCESS) {
ALOGE("failed to create depth image view!");
return false;
}
// Create the frame buffer.
//TODO:implement framebuffer creation
VkImageView attachments[] = { frameBuffer->VKColorImages[i], frameBuffer->VKDepthImages[i] };
VkFramebufferCreateInfo framebufferInfo{};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferInfo.renderPass = VK_NULL_HANDLE;
framebufferInfo.attachmentCount = 2;
framebufferInfo.pAttachments = attachments;
framebufferInfo.width = width;
framebufferInfo.height = height;
framebufferInfo.layers = swapChainCreateInfo.arraySize;
if (vkCreateFramebuffer(frameBuffer->VKContext->device, &framebufferInfo, nullptr, &frameBuffer->VKFrameBuffers[i]) != VK_SUCCESS) {
ALOGE("failed to create framebuffer!");
return false;
}
}
return true;
@ -202,9 +240,13 @@ bool ovrFramebuffer_CreateVK(XrSession session, ovrFramebuffer* frameBuffer, int
void ovrFramebuffer_Destroy(ovrFramebuffer* frameBuffer) {
if (frameBuffer->UseVulkan) {
for (int i = 0; i < frameBuffer->TextureSwapChainLength; i++) {
vkDestroyImageView(frameBuffer->VKContext->device, frameBuffer->VKColorImages[i], nullptr);
vkDestroyImageView(frameBuffer->VKContext->device, frameBuffer->VKDepthImages[i], nullptr);
vkDestroyFramebuffer(frameBuffer->VKContext->device, frameBuffer->VKFrameBuffers[i], nullptr);
}
free(frameBuffer->VKFrameBuffers);
delete[] frameBuffer->VKColorImages;
delete[] frameBuffer->VKDepthImages;
delete[] frameBuffer->VKFrameBuffers;
} else {
GL(glDeleteFramebuffers(frameBuffer->TextureSwapChainLength, frameBuffer->GLFrameBuffers));
free(frameBuffer->GLFrameBuffers);