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-rw-r--r--examples/example-base/example-base.cpp120
1 files changed, 81 insertions, 39 deletions
diff --git a/examples/example-base/example-base.cpp b/examples/example-base/example-base.cpp
index 82d474f06..fb11105f5 100644
--- a/examples/example-base/example-base.cpp
+++ b/examples/example-base/example-base.cpp
@@ -17,19 +17,6 @@ Slang::Result WindowedAppBase::initializeBase(
int height,
DeviceType deviceType)
{
- // Create a window for our application to render into.
- //
- platform::WindowDesc windowDesc;
- windowDesc.title = title;
- windowDesc.width = width;
- windowDesc.height = height;
- windowWidth = width;
- windowHeight = height;
- windowDesc.style = platform::WindowStyle::Default;
- gWindow = platform::Application::createWindow(windowDesc);
- gWindow->events.mainLoop = [this]() { mainLoop(); };
- gWindow->events.sizeChanged = Slang::Action<>(this, &WindowedAppBase::windowSizeChanged);
-
// Initialize the rendering layer.
#ifdef _DEBUG
// Enable debug layer in debug config.
@@ -41,26 +28,44 @@ Slang::Result WindowedAppBase::initializeBase(
if (SLANG_FAILED(res))
return res;
- auto deviceInfo = gDevice->getDeviceInfo();
- Slang::StringBuilder titleSb;
- titleSb << title << " (" << deviceInfo.apiName << ": " << deviceInfo.adapterName << ")";
- gWindow->setText(titleSb.getBuffer());
-
ICommandQueue::Desc queueDesc = {};
queueDesc.type = ICommandQueue::QueueType::Graphics;
gQueue = gDevice->createCommandQueue(queueDesc);
- // Create swapchain and framebuffers.
- gfx::ISwapchain::Desc swapchainDesc = {};
- swapchainDesc.format = gfx::Format::R8G8B8A8_UNORM;
- swapchainDesc.width = width;
- swapchainDesc.height = height;
- swapchainDesc.imageCount = kSwapchainImageCount;
- swapchainDesc.queue = gQueue;
- gfx::WindowHandle windowHandle = gWindow->getNativeHandle().convert<gfx::WindowHandle>();
- gSwapchain = gDevice->createSwapchain(swapchainDesc, windowHandle);
-
- IFramebufferLayout::TargetLayout renderTargetLayout = {gSwapchain->getDesc().format, 1};
+ windowWidth = width;
+ windowHeight = height;
+ // Do not create swapchain and windows in test mode, because there won't be any display.
+ if (!isTestMode())
+ {
+ // Create a window for our application to render into.
+ //
+ platform::WindowDesc windowDesc;
+ windowDesc.title = title;
+ windowDesc.width = width;
+ windowDesc.height = height;
+ windowDesc.style = platform::WindowStyle::Default;
+ gWindow = platform::Application::createWindow(windowDesc);
+ gWindow->events.mainLoop = [this]() { mainLoop(); };
+ gWindow->events.sizeChanged = Slang::Action<>(this, &WindowedAppBase::windowSizeChanged);
+
+ auto deviceInfo = gDevice->getDeviceInfo();
+ Slang::StringBuilder titleSb;
+ titleSb << title << " (" << deviceInfo.apiName << ": " << deviceInfo.adapterName << ")";
+ gWindow->setText(titleSb.getBuffer());
+
+ // Create swapchain and framebuffers.
+ gfx::ISwapchain::Desc swapchainDesc = {};
+ swapchainDesc.format = gfx::Format::R8G8B8A8_UNORM;
+ swapchainDesc.width = width;
+ swapchainDesc.height = height;
+ swapchainDesc.imageCount = kSwapchainImageCount;
+ swapchainDesc.queue = gQueue;
+ gfx::WindowHandle windowHandle = gWindow->getNativeHandle().convert<gfx::WindowHandle>();
+ gSwapchain = gDevice->createSwapchain(swapchainDesc, windowHandle);
+ createSwapchainFramebuffers();
+ }
+
+ IFramebufferLayout::TargetLayout renderTargetLayout = {gfx::Format::R8G8B8A8_UNORM, 1};
IFramebufferLayout::TargetLayout depthLayout = {gfx::Format::D32_FLOAT, 1};
IFramebufferLayout::Desc framebufferLayoutDesc;
framebufferLayoutDesc.renderTargetCount = 1;
@@ -69,7 +74,10 @@ Slang::Result WindowedAppBase::initializeBase(
SLANG_RETURN_ON_FAIL(
gDevice->createFramebufferLayout(framebufferLayoutDesc, gFramebufferLayout.writeRef()));
- createSwapchainFramebuffers();
+ if (isTestMode())
+ {
+ createOfflineFramebuffers();
+ }
for (uint32_t i = 0; i < kSwapchainImageCount; i++)
{
@@ -102,23 +110,27 @@ Slang::Result WindowedAppBase::initializeBase(
void WindowedAppBase::mainLoop()
{
int frameBufferIndex = gSwapchain->acquireNextImage();
- if (frameBufferIndex == -1)
- return;
gTransientHeaps[frameBufferIndex]->synchronizeAndReset();
renderFrame(frameBufferIndex);
gTransientHeaps[frameBufferIndex]->finish();
}
-void WindowedAppBase::createSwapchainFramebuffers()
+void WindowedAppBase::offlineRender()
{
- gFramebuffers.clear();
- for (uint32_t i = 0; i < kSwapchainImageCount; i++)
+ gTransientHeaps[0]->synchronizeAndReset();
+ renderFrame(0);
+ gTransientHeaps[0]->finish();
+}
+
+void WindowedAppBase::createFramebuffers(uint32_t width, uint32_t height, gfx::Format colorFormat, uint32_t frameBufferCount)
+{
+ for (uint32_t i = 0; i < frameBufferCount; i++)
{
gfx::ITextureResource::Desc depthBufferDesc;
depthBufferDesc.type = IResource::Type::Texture2D;
- depthBufferDesc.size.width = gSwapchain->getDesc().width;
- depthBufferDesc.size.height = gSwapchain->getDesc().height;
+ depthBufferDesc.size.width = width;
+ depthBufferDesc.size.height = height;
depthBufferDesc.size.depth = 1;
depthBufferDesc.format = gfx::Format::D32_FLOAT;
depthBufferDesc.defaultState = ResourceState::DepthWrite;
@@ -127,12 +139,28 @@ void WindowedAppBase::createSwapchainFramebuffers()
depthBufferDesc.optimalClearValue = &depthClearValue;
ComPtr<gfx::ITextureResource> depthBufferResource =
gDevice->createTextureResource(depthBufferDesc, nullptr);
+
ComPtr<gfx::ITextureResource> colorBuffer;
- gSwapchain->getImage(i, colorBuffer.writeRef());
+ if (isTestMode())
+ {
+ gfx::ITextureResource::Desc colorBufferDesc;
+ colorBufferDesc.type = IResource::Type::Texture2D;
+ colorBufferDesc.size.width = width;
+ colorBufferDesc.size.height = height;
+ colorBufferDesc.size.depth = 1;
+ colorBufferDesc.format = colorFormat;
+ colorBufferDesc.defaultState = ResourceState::RenderTarget;
+ colorBufferDesc.allowedStates = ResourceStateSet(ResourceState::RenderTarget, ResourceState::CopyDestination);
+ colorBuffer = gDevice->createTextureResource(colorBufferDesc, nullptr);
+ }
+ else
+ {
+ gSwapchain->getImage(i, colorBuffer.writeRef());
+ }
gfx::IResourceView::Desc colorBufferViewDesc;
memset(&colorBufferViewDesc, 0, sizeof(colorBufferViewDesc));
- colorBufferViewDesc.format = gSwapchain->getDesc().format;
+ colorBufferViewDesc.format = colorFormat;
colorBufferViewDesc.renderTarget.shape = gfx::IResource::Type::Texture2D;
colorBufferViewDesc.type = gfx::IResourceView::Type::RenderTarget;
ComPtr<gfx::IResourceView> rtv =
@@ -152,10 +180,24 @@ void WindowedAppBase::createSwapchainFramebuffers()
framebufferDesc.renderTargetViews = rtv.readRef();
framebufferDesc.layout = gFramebufferLayout;
ComPtr<gfx::IFramebuffer> frameBuffer = gDevice->createFramebuffer(framebufferDesc);
+
gFramebuffers.add(frameBuffer);
}
}
+void WindowedAppBase::createOfflineFramebuffers()
+{
+ gFramebuffers.clear();
+ createFramebuffers(windowWidth, windowHeight, gfx::Format::R8G8B8A8_UNORM, 1);
+}
+
+void WindowedAppBase::createSwapchainFramebuffers()
+{
+ gFramebuffers.clear();
+ createFramebuffers(gSwapchain->getDesc().width, gSwapchain->getDesc().height,
+ gSwapchain->getDesc().format, kSwapchainImageCount);
+}
+
ComPtr<gfx::IResourceView> WindowedAppBase::createTextureFromFile(String fileName, int& textureWidth, int& textureHeight)
{
int channelsInFile = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-01 08:58:36 +0000