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Fix ImGui overlay and add extension dependencies for dynamicrendering example

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This commit is contained in:
Stephen Saunders 2022-08-01 19:05:37 -04:00
parent 62f6dcf767
commit 54d0b27e4a
4 changed files with 23 additions and 4 deletions
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15
base/VulkanUIOverlay.cpp
View file

@ -217,7 +217,7 @@ namespace vks
}
/** Prepare a separate pipeline for the UI overlay rendering decoupled from the main application */
void UIOverlay::preparePipeline(const VkPipelineCache pipelineCache, const VkRenderPass renderPass)
void UIOverlay::preparePipeline(const VkPipelineCache pipelineCache, const VkRenderPass renderPass, const VkFormat colorFormat, const VkFormat depthFormat)
{
// Pipeline layout
// Push constants for UI rendering parameters
@ -276,6 +276,19 @@ namespace vks
pipelineCreateInfo.stageCount = static_cast<uint32_t>(shaders.size());
pipelineCreateInfo.pStages = shaders.data();
pipelineCreateInfo.subpass = subpass;
#if defined(VK_KHR_dynamic_rendering)
// SRS - if we are using dynamic rendering (i.e. renderPass null), must define color, depth and stencil attachments at pipeline create time
VkPipelineRenderingCreateInfo pipelineRenderingCreateInfo = {};
if (renderPass == VK_NULL_HANDLE) {
pipelineRenderingCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO;
pipelineRenderingCreateInfo.colorAttachmentCount = 1;
pipelineRenderingCreateInfo.pColorAttachmentFormats = &colorFormat;
pipelineRenderingCreateInfo.depthAttachmentFormat = depthFormat;
pipelineRenderingCreateInfo.stencilAttachmentFormat = depthFormat;
pipelineCreateInfo.pNext = &pipelineRenderingCreateInfo;
}
#endif
// Vertex bindings an attributes based on ImGui vertex definition
std::vector<VkVertexInputBindingDescription> vertexInputBindings = {

4
base/VulkanUIOverlay.h
View file

@ -69,7 +69,7 @@ namespace vks
UIOverlay();
~UIOverlay();
void preparePipeline(const VkPipelineCache pipelineCache, const VkRenderPass renderPass);
void preparePipeline(const VkPipelineCache pipelineCache, const VkRenderPass renderPass, const VkFormat colorFormat, const VkFormat depthFormat);
void prepareResources();
bool update();
@ -89,4 +89,4 @@ namespace vks
bool button(const char* caption);
void text(const char* formatstr, ...);
};
}
}

2
base/vulkanexamplebase.cpp
View file

@ -217,7 +217,7 @@ void VulkanExampleBase::prepare()
loadShader(getShadersPath() + "base/uioverlay.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT),
};
UIOverlay.prepareResources();
UIOverlay.preparePipeline(pipelineCache, renderPass);
UIOverlay.preparePipeline(pipelineCache, renderPass, swapChain.colorFormat, depthFormat);
}
}

6
examples/dynamicrendering/dynamicrendering.cpp
View file

@ -42,6 +42,10 @@ public:
camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
enabledInstanceExtensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
enabledDeviceExtensions.push_back(VK_KHR_MAINTENANCE2_EXTENSION_NAME);
enabledDeviceExtensions.push_back(VK_KHR_MULTIVIEW_EXTENSION_NAME);
enabledDeviceExtensions.push_back(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
enabledDeviceExtensions.push_back(VK_KHR_DEPTH_STENCIL_RESOLVE_EXTENSION_NAME);
enabledDeviceExtensions.push_back(VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME);
}
@ -157,6 +161,8 @@ public:
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
model.draw(drawCmdBuffers[i], vkglTF::RenderFlags::BindImages, pipelineLayout);
drawUI(drawCmdBuffers[i]);
// End dynamic rendering
vkCmdEndRenderingKHR(drawCmdBuffers[i]);