Class MyWindow

Source/1-GraphicsAPI/09-Blend/Source/main.cpp:11–185

};

class MyWindow : public QRhiWindow {
public:
	MyWindow(QRhiWindow::InitParams inInitParams) :QRhiWindow(inInitParams) {
		mSigInit.request();
	}
private:
	QRhiEx::Signal mSigInit;
	QRhiEx::Signal mSigSubmit;

	QScopedPointer<QRhiBuffer> mCubeVertexBuffer;

	QScopedPointer<QRhiBuffer> mPlaneVertexBuffer;

	QScopedPointer<QRhiBuffer> mCubeUniformBuffer;
	QScopedPointer<QRhiShaderResourceBindings> mCubeShaderBindings;

	QScopedPointer<QRhiBuffer> mPlaneUniformBuffer;
	QScopedPointer<QRhiShaderResourceBindings> mPlaneShaderBindings;

	QScopedPointer<QRhiGraphicsPipeline> mPlanePipeline;
	QScopedPointer<QRhiGraphicsPipeline> mCubePipeline;
protected:
	void initRhiResource() {
		mCubeVertexBuffer.reset(mRhi->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(CubeData)));
		mCubeVertexBuffer->create();

		mPlaneVertexBuffer.reset(mRhi->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(PlaneData)));
		mPlaneVertexBuffer->create();

		mCubeUniformBuffer.reset(mRhi->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, sizeof(UniformBlock)));
		mCubeUniformBuffer->create();

		mCubeShaderBindings.reset(mRhi->newShaderResourceBindings());
		mCubeShaderBindings->setBindings({
			QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, mCubeUniformBuffer.get())
		});
		mCubeShaderBindings->create();

		mPlaneUniformBuffer.reset(mRhi->newBuffer(QRhiBuffer::Dynamic, QRhiBuffer::UniformBuffer, sizeof(UniformBlock)));
		mPlaneUniformBuffer->create();

		mPlaneShaderBindings.reset(mRhi->newShaderResourceBindings());
		mPlaneShaderBindings->setBindings({
			QRhiShaderResourceBinding::uniformBuffer(0, QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage, mPlaneUniformBuffer.get())
		});
		mPlaneShaderBindings->create();

		mCubePipeline.reset(mRhi->newGraphicsPipeline());
		mCubePipeline->setSampleCount(mSwapChain->sampleCount());
		mCubePipeline->setTopology(QRhiGraphicsPipeline::Triangles);

		QShader vs = mRhi->newShaderFromCode(QShader::VertexStage, R"(#version 440
			layout(location = 0) in vec3 inPosition;
			layout(binding = 0) uniform UniformBlock{
				vec4 color;
				mat4 MVP;
			}UBO;
			out gl_PerVertex { vec4 gl_Position; };