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#if 0
// Duplicated: This test is similar to slang-rhi\tests\test-surface.cpp
#include "gfx-test-util.h"
#include "platform/window.h"
#include "unit-test/slang-unit-test.h"
#include <slang-rhi.h>
#include <slang-rhi/shader-cursor.h>
using namespace rhi;
namespace gfx_test
{
struct Vertex
{
float position[3];
};
static const int kVertexCount = 3;
static const Vertex kVertexData[kVertexCount] = {
{0, 0, 1},
{4, 0, 1},
{0, 4, 1},
};
struct SwapchainResizeTest
{
IDevice* device;
UnitTestContext* context;
ComPtr<platform::Window> window;
ComPtr<ICommandQueue> queue;
ComPtr<ISurface> surface;
ComPtr<ITexture> swapchainImages[2];
uint32_t swapchainImageCount = 2;
Format desiredFormat = Format::RGBA8Unorm;
ComPtr<IBuffer> vertexBuffer;
ComPtr<IInputLayout> inputLayout;
ComPtr<IRenderPipeline> pipeline;
ComPtr<IShaderProgram> shaderProgram;
ComPtr<IShaderObject> rootShaderObject;
uint32_t width = 500;
uint32_t height = 500;
void init(IDevice* device, UnitTestContext* context)
{
this->device = device;
this->context = context;
}
void createSwapchainAndResources()
{
// Create window
platform::Application::init();
platform::WindowDesc windowDesc;
windowDesc.title = "";
windowDesc.width = width;
windowDesc.height = height;
windowDesc.style = platform::WindowStyle::Default;
window = platform::Application::createWindow(windowDesc);
// Create surface
WindowHandle windowHandle = WindowHandle::fromHwnd((void*)window->getNativeHandle().handleValues[0]);
surface = device->createSurface(windowHandle);
// Configure surface (swapchain)
SurfaceConfig config = {};
config.format = desiredFormat;
config.width = width;
config.height = height;
config.desiredImageCount = swapchainImageCount;
config.vsync = true;
surface->configure(config);
// Create vertex buffer
BufferDesc vertexBufferDesc = {};
vertexBufferDesc.size = sizeof(Vertex) * kVertexCount;
vertexBufferDesc.memoryType = MemoryType::DeviceLocal;
vertexBufferDesc.usage = BufferUsage::VertexBuffer;
vertexBufferDesc.defaultState = ResourceState::VertexBuffer;
vertexBuffer = device->createBuffer(vertexBufferDesc, kVertexData);
// Input layout
InputElementDesc inputElements[] = {
{"POSITIONA", 0, Format::RGB32Float, offsetof(Vertex, position), 0},
};
VertexStreamDesc vertexStreams[] = {
{sizeof(Vertex), InputSlotClass::PerVertex, 0},
};
InputLayoutDesc inputLayoutDesc = {};
inputLayoutDesc.inputElementCount = sizeof(inputElements) / sizeof(InputElementDesc);
inputLayoutDesc.inputElements = inputElements;
inputLayoutDesc.vertexStreamCount = sizeof(vertexStreams) / sizeof(VertexStreamDesc);;
inputLayoutDesc.vertexStreams = vertexStreams;
GFX_CHECK_CALL_ABORT(device->createInputLayout(inputLayoutDesc, inputLayout.writeRef()));
ComPtr<IShaderProgram> shaderProgram;
slang::ProgramLayout* slangReflection = nullptr;
GFX_CHECK_CALL_ABORT(loadGraphicsProgram(
device,
shaderProgram,
"swapchain-shader",
"vertexMain",
"fragmentMain",
slangReflection
));
// Pipeline
ColorTargetDesc colorTarget = {};
colorTarget.format = desiredFormat;
RenderPipelineDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
pipelineDesc.inputLayout = inputLayout.get();
pipelineDesc.primitiveTopology = PrimitiveTopology::TriangleList;
pipelineDesc.targets = &colorTarget;
pipelineDesc.targetCount = 1;
pipeline = device->createRenderPipeline(pipelineDesc);
}
void renderFrame(uint32_t imageIndex)
{
// Acquire next image
ComPtr<ITexture> backBuffer;
if (SLANG_FAILED(surface->acquireNextImage(backBuffer.writeRef())))
{
return;
}
// Create command encoder
ComPtr<ICommandQueue> queue = device->getQueue(QueueType::Graphics);
ComPtr<ICommandEncoder> encoder = queue->createCommandEncoder();
// Render pass setup
RenderPassColorAttachment colorAttachment = {};
colorAttachment.view = backBuffer->getDefaultView();
colorAttachment.loadOp = LoadOp::Clear;
colorAttachment.storeOp = StoreOp::Store;
float clearColor[4] = {0.2f, 0.2f, 0.2f, 1.0f};
memcpy(colorAttachment.clearValue, clearColor, sizeof(clearColor));
RenderPassDesc passDesc = {};
passDesc.colorAttachments = &colorAttachment;
passDesc.colorAttachmentCount = 1;
// Begin render pass
auto pass = encoder->beginRenderPass(passDesc);
// Bind pipeline and root object
pass->bindPipeline(pipeline, rootShaderObject);
// Set render state
RenderState state = {};
state.vertexBuffers[0] = BufferOffsetPair(vertexBuffer, 0);
state.vertexBufferCount = 1;
// Set viewport
Viewport viewport = Viewport::fromSize((float)width, (float)height);
state.viewportCount = 1;
state.viewports[0] = viewport;
pass->setRenderState(state);
// Draw
DrawArguments args = {};
args.vertexCount = kVertexCount;
pass->draw(args);
pass->end();
ComPtr<ICommandBuffer> cmdBuffer;
encoder->finish(cmdBuffer.writeRef());
queue->submit(cmdBuffer);
// Present
surface->present();
}
void run()
{
createSwapchainAndResources();
for (uint32_t i = 0; i < 5; ++i)
{
renderFrame(i % swapchainImageCount);
}
queue->waitOnHost();
// Resize swapchain
width = 700;
height = 700;
SurfaceConfig config = surface->getConfig();
config.width = width;
config.height = height;
surface->configure(config);
for (uint32_t i = 0; i < 5; ++i)
{
renderFrame(i % swapchainImageCount);
}
queue->waitOnHost();
}
};
void swapchainResizeTestImpl(IDevice* device, UnitTestContext* context)
{
SwapchainResizeTest t;
t.init(device, context);
t.run();
}
SLANG_UNIT_TEST(swapchainResizeD3D12)
{
runTestImpl(swapchainResizeTestImpl, unitTestContext, DeviceType::D3D12);
}
SLANG_UNIT_TEST(swapchainResizeVulkan)
{
runTestImpl(swapchainResizeTestImpl, unitTestContext, DeviceType::Vulkan);
}
} // namespace gfx_test
#endif
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