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ImGui example now shows Vulkan API and driver info, ImGui+TextOverlay+ConditionalRender+gltfSceneRendering examples now support macOS retina displays

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This commit is contained in:
Stephen Saunders 2022-07-12 18:46:39 -04:00
parent bb4281ac24
commit d9d3e8c1fb
5 changed files with 52 additions and 19 deletions
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7
base/VulkanUIOverlay.cpp
View file

@ -79,12 +79,14 @@ namespace vks
#else
const std::string filename = getAssetPath() + "Roboto-Medium.ttf";
io.Fonts->AddFontFromFileTTF(filename.c_str(), 16.0f * scale);
ImGuiStyle& style = ImGui::GetStyle();
style.ScaleAllSizes(scale);
#endif
io.Fonts->GetTexDataAsRGBA32(&fontData, &texWidth, &texHeight);
VkDeviceSize uploadSize = texWidth*texHeight * 4 * sizeof(char);
//SRS - Set ImGui style scale factor to handle retina and other HiDPI displays (same as font scaling above)
ImGuiStyle& style = ImGui::GetStyle();
style.ScaleAllSizes(scale);
// Create target image for copy
VkImageCreateInfo imageInfo = vks::initializers::imageCreateInfo();
imageInfo.imageType = VK_IMAGE_TYPE_2D;
@ -324,7 +326,6 @@ namespace vks
}
// Index buffer
VkDeviceSize indexSize = imDrawData->TotalIdxCount * sizeof(ImDrawIdx);
if ((indexBuffer.buffer == VK_NULL_HANDLE) || (indexCount < imDrawData->TotalIdxCount)) {
indexBuffer.unmap();
indexBuffer.destroy();

4
examples/conditionalrender/conditionalrender.cpp
View file

@ -354,7 +354,7 @@ public:
}
ImGui::NewLine();
ImGui::BeginChild("InnerRegion", ImVec2(200.0f, 400.0f), false);
ImGui::BeginChild("InnerRegion", ImVec2(200.0f * overlay->scale, 400.0f * overlay->scale), false);
for (auto node : scene.linearNodes) {
// Add visibility toggle checkboxes for all model nodes with a mesh
if (node->mesh) {
@ -370,4 +370,4 @@ public:
};
VULKAN_EXAMPLE_MAIN()
VULKAN_EXAMPLE_MAIN()

2
examples/gltfscenerendering/gltfscenerendering.cpp
View file

@ -652,7 +652,7 @@ void VulkanExample::OnUpdateUIOverlay(vks::UIOverlay* overlay)
ImGui::NewLine();
// POI: Create a list of glTF nodes for visibility toggle
ImGui::BeginChild("#nodelist", ImVec2(0.0f, ImGui::GetTextLineHeightWithSpacing() * (glTFScene.nodes.size() + 4)), false);
ImGui::BeginChild("#nodelist", ImVec2(200.0f * overlay->scale, 340.0f * overlay->scale), false);
for (auto &node : glTFScene.nodes)
{
if (overlay->checkBox(node.name.c_str(), &node.visible))

36
examples/imgui/main.cpp
View file

@ -45,6 +45,7 @@ private:
VkDescriptorSetLayout descriptorSetLayout;
VkDescriptorSet descriptorSet;
vks::VulkanDevice *device;
VkPhysicalDeviceDriverProperties driverProperties = {};
VulkanExampleBase *example;
public:
// UI params are set via push constants
@ -57,6 +58,12 @@ public:
{
device = example->vulkanDevice;
ImGui::CreateContext();
//SRS - Set ImGui font and style scale factors to handle retina and other HiDPI displays
ImGuiIO& io = ImGui::GetIO();
io.FontGlobalScale = example->UIOverlay.scale;
ImGuiStyle& style = ImGui::GetStyle();
style.ScaleAllSizes(example->UIOverlay.scale);
};
~ImGUI()
@ -103,6 +110,16 @@ public:
io.Fonts->GetTexDataAsRGBA32(&fontData, &texWidth, &texHeight);
VkDeviceSize uploadSize = texWidth*texHeight * 4 * sizeof(char);
//SRS - Get Vulkan device driver information if available, use later for display
if (device->extensionSupported(VK_KHR_DRIVER_PROPERTIES_EXTENSION_NAME))
{
VkPhysicalDeviceProperties2 deviceProperties2 = {};
deviceProperties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
deviceProperties2.pNext = &driverProperties;
driverProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES;
vkGetPhysicalDeviceProperties2(device->physicalDevice, &deviceProperties2);
}
// Create target image for copy
VkImageCreateInfo imageInfo = vks::initializers::imageCreateInfo();
imageInfo.imageType = VK_IMAGE_TYPE_2D;
@ -325,10 +342,15 @@ public:
// Init imGui windows and elements
ImVec4 clear_color = ImColor(114, 144, 154);
static float f = 0.0f;
// SRS - Set initial position of default Debug window (note: Debug window sets its own initial size, use ImGuiSetCond_Always to override)
ImGui::SetWindowPos(ImVec2(20 * example->UIOverlay.scale, 20 * example->UIOverlay.scale), ImGuiSetCond_FirstUseEver);
ImGui::SetWindowSize(ImVec2(300 * example->UIOverlay.scale, 300 * example->UIOverlay.scale), ImGuiSetCond_Always);
ImGui::TextUnformatted(example->title.c_str());
ImGui::TextUnformatted(device->properties.deviceName);
//SRS - Display Vulkan API version and device driver information if available (otherwise blank)
ImGui::Text("Vulkan API %i.%i.%i", VK_API_VERSION_MAJOR(device->properties.apiVersion), VK_API_VERSION_MINOR(device->properties.apiVersion), VK_API_VERSION_PATCH(device->properties.apiVersion));
ImGui::Text("%s %s", driverProperties.driverName, driverProperties.driverInfo);
// Update frame time display
if (updateFrameGraph) {
@ -349,7 +371,9 @@ public:
ImGui::InputFloat3("position", &example->camera.position.x, 2);
ImGui::InputFloat3("rotation", &example->camera.rotation.x, 2);
ImGui::SetNextWindowSize(ImVec2(200, 200), ImGuiSetCond_FirstUseEver);
// SRS - Set initial position and size of Example settings window
ImGui::SetNextWindowPos(ImVec2(20 * example->UIOverlay.scale, 360 * example->UIOverlay.scale), ImGuiSetCond_FirstUseEver);
ImGui::SetNextWindowSize(ImVec2(300 * example->UIOverlay.scale, 200 * example->UIOverlay.scale), ImGuiSetCond_FirstUseEver);
ImGui::Begin("Example settings");
ImGui::Checkbox("Render models", &uiSettings.displayModels);
ImGui::Checkbox("Display logos", &uiSettings.displayLogos);
@ -358,7 +382,7 @@ public:
ImGui::SliderFloat("Light speed", &uiSettings.lightSpeed, 0.1f, 1.0f);
ImGui::End();
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);
//SRS - ShowDemoWindow() sets its own initial position and size, cannot override here
ImGui::ShowDemoWindow();
// Render to generate draw buffers
@ -499,6 +523,10 @@ public:
camera.setPosition(glm::vec3(0.0f, 0.0f, -4.8f));
camera.setRotation(glm::vec3(4.5f, -380.0f, 0.0f));
camera.setPerspective(45.0f, (float)width / (float)height, 0.1f, 256.0f);
//SRS - Enable VK_KHR_get_physical_device_properties2 to retrieve device driver information for display
enabledInstanceExtensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
// Don't use the ImGui overlay of the base framework in this sample
settings.overlay = false;
}

22
examples/textoverlay/textoverlay.cpp
View file

@ -31,6 +31,7 @@ private:
uint32_t *frameBufferWidth;
uint32_t *frameBufferHeight;
float scale;
VkSampler sampler;
VkImage image;
@ -70,6 +71,7 @@ public:
VkFormat depthformat,
uint32_t *framebufferwidth,
uint32_t *framebufferheight,
float scale,
std::vector<VkPipelineShaderStageCreateInfo> shaderstages)
{
this->vulkanDevice = vulkanDevice;
@ -87,6 +89,7 @@ public:
this->frameBufferWidth = framebufferwidth;
this->frameBufferHeight = framebufferheight;
this->scale = scale;
cmdBuffers.resize(framebuffers.size());
prepareResources();
@ -490,8 +493,8 @@ public:
assert(mapped != nullptr);
const float charW = 1.5f / *frameBufferWidth;
const float charH = 1.5f / *frameBufferHeight;
const float charW = 1.5f * scale / *frameBufferWidth;
const float charH = 1.5f * scale / *frameBufferHeight;
float fbW = (float)*frameBufferWidth;
float fbH = (float)*frameBufferHeight;
@ -700,23 +703,23 @@ public:
{
textOverlay->beginTextUpdate();
textOverlay->addText(title, 5.0f, 5.0f, TextOverlay::alignLeft);
textOverlay->addText(title, 5.0f * UIOverlay.scale, 5.0f * UIOverlay.scale, TextOverlay::alignLeft);
std::stringstream ss;
ss << std::fixed << std::setprecision(2) << (frameTimer * 1000.0f) << "ms (" << lastFPS << " fps)";
textOverlay->addText(ss.str(), 5.0f, 25.0f, TextOverlay::alignLeft);
textOverlay->addText(ss.str(), 5.0f * UIOverlay.scale, 25.0f * UIOverlay.scale, TextOverlay::alignLeft);
textOverlay->addText(deviceProperties.deviceName, 5.0f, 45.0f, TextOverlay::alignLeft);
textOverlay->addText(deviceProperties.deviceName, 5.0f * UIOverlay.scale, 45.0f * UIOverlay.scale, TextOverlay::alignLeft);
// Display current model view matrix
textOverlay->addText("model view matrix", (float)width, 5.0f, TextOverlay::alignRight);
textOverlay->addText("model view matrix", (float)width - 5.0f * UIOverlay.scale, 5.0f * UIOverlay.scale, TextOverlay::alignRight);
for (uint32_t i = 0; i < 4; i++)
{
ss.str("");
ss << std::fixed << std::setprecision(2) << std::showpos;
ss << uboVS.modelView[0][i] << " " << uboVS.modelView[1][i] << " " << uboVS.modelView[2][i] << " " << uboVS.modelView[3][i];
textOverlay->addText(ss.str(), (float)width, 25.0f + (float)i * 20.0f, TextOverlay::alignRight);
textOverlay->addText(ss.str(), (float)width - 5.0f * UIOverlay.scale, (25.0f + (float)i * 20.0f) * UIOverlay.scale, TextOverlay::alignRight);
}
glm::vec3 projected = glm::project(glm::vec3(0.0f), uboVS.modelView, uboVS.projection, glm::vec4(0, 0, (float)width, (float)height));
@ -724,8 +727,8 @@ public:
#if defined(__ANDROID__)
#else
textOverlay->addText("Press \"space\" to toggle text overlay", 5.0f, 65.0f, TextOverlay::alignLeft);
textOverlay->addText("Hold middle mouse button and drag to move", 5.0f, 85.0f, TextOverlay::alignLeft);
textOverlay->addText("Press \"space\" to toggle text overlay", 5.0f * UIOverlay.scale, 65.0f * UIOverlay.scale, TextOverlay::alignLeft);
textOverlay->addText("Hold middle mouse button and drag to move", 5.0f * UIOverlay.scale, 85.0f * UIOverlay.scale, TextOverlay::alignLeft);
#endif
textOverlay->endTextUpdate();
}
@ -842,6 +845,7 @@ public:
depthFormat,
&width,
&height,
UIOverlay.scale,
shaderStages
);
updateTextOverlay();