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Optimized UI overlay strategy

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This commit is contained in:
saschawillems 2018-09-01 12:58:28 +02:00
parent 73dbdfcbda
commit e9c4cd4a0b
3 changed files with 33 additions and 12 deletions
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5
base/vulkanexamplebase.cpp
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@ -203,7 +203,6 @@ void VulkanExampleBase::prepare()
};
UIOverlay.prepareResources();
UIOverlay.preparePipeline(pipelineCache, renderPass);
updateOverlay();
}
}
@ -592,8 +591,9 @@ void VulkanExampleBase::updateOverlay()
ImGui::PopStyleVar();
ImGui::Render();
if (UIOverlay.update()) {
if (UIOverlay.update() || UIOverlay.updated) {
buildCommandBuffers();
UIOverlay.updated = false;
}
#if defined(VK_USE_PLATFORM_ANDROID_KHR)
@ -606,7 +606,6 @@ void VulkanExampleBase::updateOverlay()
void VulkanExampleBase::drawUI(const VkCommandBuffer commandBuffer)
{
if (settings.overlay) {
const VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
const VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);