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Fold attachment layout transitions into subpass (Refs #155)

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saschawillems 2016-08-12 20:36:49 +02:00
parent 85552a90df
commit 2f8c9477f2
1 changed files with 40 additions and 19 deletions
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59
textoverlay/textoverlay.cpp
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@ -477,8 +477,8 @@ public:
attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[0].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachments[0].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachments[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachments[0].finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
// Depth attachment
attachments[1].format = depthFormat;
@ -487,7 +487,7 @@ public:
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference colorReference = {};
@ -498,17 +498,38 @@ public:
depthReference.attachment = 1;
depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass = {};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.flags = 0;
subpass.inputAttachmentCount = 0;
subpass.pInputAttachments = NULL;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorReference;
subpass.pResolveAttachments = NULL;
subpass.pDepthStencilAttachment = &depthReference;
subpass.preserveAttachmentCount = 0;
subpass.pPreserveAttachments = NULL;
// Use subpass dependencies for image layout transitions
VkSubpassDependency subpassDependencies[2] = {};
// Transition from final to initial (VK_SUBPASS_EXTERNAL refers to all commmands executed outside of the actual renderpass)
subpassDependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
subpassDependencies[0].dstSubpass = 0;
subpassDependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
subpassDependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
subpassDependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
subpassDependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
subpassDependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
// Transition from initial to final
subpassDependencies[1].srcSubpass = 0;
subpassDependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
subpassDependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
subpassDependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
subpassDependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
subpassDependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
subpassDependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
VkSubpassDescription subpassDescription = {};
subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpassDescription.flags = 0;
subpassDescription.inputAttachmentCount = 0;
subpassDescription.pInputAttachments = NULL;
subpassDescription.colorAttachmentCount = 1;
subpassDescription.pColorAttachments = &colorReference;
subpassDescription.pResolveAttachments = NULL;
subpassDescription.pDepthStencilAttachment = &depthReference;
subpassDescription.preserveAttachmentCount = 0;
subpassDescription.pPreserveAttachments = NULL;
VkRenderPassCreateInfo renderPassInfo = {};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
@ -516,9 +537,9 @@ public:
renderPassInfo.attachmentCount = 2;
renderPassInfo.pAttachments = attachments;
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subpass;
renderPassInfo.dependencyCount = 0;
renderPassInfo.pDependencies = NULL;
renderPassInfo.pSubpasses = &subpassDescription;
renderPassInfo.dependencyCount = 2;
renderPassInfo.pDependencies = subpassDependencies;
VK_CHECK_RESULT(vkCreateRenderPass(vulkanDevice->logicalDevice, &renderPassInfo, nullptr, &renderPass));
}
@ -806,7 +827,7 @@ public:
textOverlay->addText(deviceProperties.deviceName, 5.0f, 45.0f, TextOverlay::alignLeft);
textOverlay->addText("Press \"space\" to toggle text overlay", 5.0f, height - 20.0f, TextOverlay::alignLeft);
textOverlay->addText("Press \"space\" to toggle text overlay", 5.0f, 65.0f, TextOverlay::alignLeft);
// Display projected cube vertices
for (int32_t x = -1; x <= 1; x += 2)
@ -840,7 +861,7 @@ public:
#if defined(__ANDROID__)
// toto
#else
textOverlay->addText("Hold middle mouse button and drag to move", 5.0f, height - 40.0f, TextOverlay::alignLeft);
textOverlay->addText("Hold middle mouse button and drag to move", 5.0f, 85.0f, TextOverlay::alignLeft);
#endif
textOverlay->endTextUpdate();
}