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UI overlay creation via create info structure with additional customization options

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This commit is contained in:
saschawillems 2017-11-03 11:17:09 +01:00
parent a789240567
commit 4e5d95c098
4 changed files with 127 additions and 93 deletions
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25
base/vulkanexamplebase.cpp
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@ -188,11 +188,25 @@ void VulkanExampleBase::prepare()
setupFrameBuffer();
settings.overlay = settings.overlay && (!benchmark.active);
if (settings.overlay) {
std::vector<VkPipelineShaderStageCreateInfo> shaderStages = {
loadShader(getAssetPath() + "shaders/base/uioverlay.vert.spv", VK_SHADER_STAGE_VERTEX_BIT),
loadShader(getAssetPath() + "shaders/base/uioverlay.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT),
};
UIOverlay = new vks::UIOverlay(vulkanDevice, queue, frameBuffers, swapChain.colorFormat, depthFormat, width, height, shaderStages);
vks::UIOverlayCreateInfo overlayCreateInfo = {};
// Setup default overlay creation info
overlayCreateInfo.device = vulkanDevice;
overlayCreateInfo.copyQueue = queue;
overlayCreateInfo.framebuffers = frameBuffers;
overlayCreateInfo.colorformat = swapChain.colorFormat;
overlayCreateInfo.depthformat = depthFormat;
overlayCreateInfo.width = width;
overlayCreateInfo.height = height;
// Virtual function call for example to customize overlay creation
OnSetupUIOverlay(overlayCreateInfo);
// Load default shaders if not specified by example
if (overlayCreateInfo.shaders.size() == 0) {
overlayCreateInfo.shaders = {
loadShader(getAssetPath() + "shaders/base/uioverlay.vert.spv", VK_SHADER_STAGE_VERTEX_BIT),
loadShader(getAssetPath() + "shaders/base/uioverlay.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT),
};
}
UIOverlay = new vks::UIOverlay(overlayCreateInfo);
updateOverlay();
}
}
@ -2141,4 +2155,5 @@ void VulkanExampleBase::setupSwapChain()
swapChain.create(&width, &height, settings.vsync);
}
void VulkanExampleBase::OnSetupUIOverlay(vks::UIOverlayCreateInfo &createInfo) {}
void VulkanExampleBase::OnUpdateUIOverlay(vks::UIOverlay *overlay) {}