Function TEST_F

trinityal/tests/SwapChainResizing.cpp:48–117

}

TEST_F( SwapChainResizing, CanResizeSwapChainWhileRendering )
{
	ENSURE_GPU_OR_SKIP
	Tr2ShaderAL vs;
	ASSERT_HRESULT_SUCCEEDED( CreatePositionOnlyVS( vs, *renderContext ) );

	Tr2ShaderAL ps;
	ASSERT_HRESULT_SUCCEEDED( CreateConstantColorPS( ps, *renderContext ) );

	Tr2ShaderAL shaders[] = { vs, ps };
	Tr2ShaderProgramAL sp;
	ASSERT_HRESULT_SUCCEEDED( sp.Create( shaders, 2, *renderContext ) );

	float vertices[] = {
		-0.5f,
		-0.5f,
		0.0f,
		-0.5f,
		0.5f,
		0.0f,
		0.5f,
		-0.5f,
		0.0f,
	};
	const uint32_t vbStride = 3 * sizeof( float );
	Tr2BufferAL vb;
	ASSERT_HRESULT_SUCCEEDED( vb.Create( vbStride, sizeof( vertices ) / vbStride, Tr2GpuUsage::VERTEX_BUFFER, Tr2CpuUsage::NONE, vertices, *renderContext ) );

	Tr2VertexDefinition definition;
	definition.Add( Tr2VertexDefinition::FLOAT32_3, Tr2VertexDefinition::POSITION );

	Tr2VertexLayoutAL vertexLayout;
	ASSERT_HRESULT_SUCCEEDED( vertexLayout.Create( definition, *renderContext ) );

	uint32_t g = 127;

	auto frame = [&] {
		if( g % 200 == 0 )
		{
			if( g % 400 == 0 )
			{
				ASSERT_HRESULT_SUCCEEDED( ResizeWindow( 400, 400 ) );
			}
			else
			{
				ASSERT_HRESULT_SUCCEEDED( ResizeWindow( 640, 480 ) );
			}
		}


		ASSERT_HRESULT_SUCCEEDED( renderContext->BeginScene() );
		ASSERT_HRESULT_SUCCEEDED( renderContext->Clear( CLEARFLAGS_TARGET, 0xff000000 | ( g & 0xff ), 1.0f ) );
		ASSERT_HRESULT_SUCCEEDED( renderContext->SetStreamSource( 0, vb, 0, vbStride ) );
		ASSERT_HRESULT_SUCCEEDED( renderContext->SetVertexLayout( vertexLayout ) );
		ASSERT_HRESULT_SUCCEEDED( renderContext->SetShaderProgram( sp ) );
		ASSERT_HRESULT_SUCCEEDED( renderContext->SetTopology( TOP_TRIANGLES ) );
		ASSERT_HRESULT_SUCCEEDED( renderContext->SetRenderState( RS_ZENABLE, 0 ) );
		ASSERT_HRESULT_SUCCEEDED( renderContext->SetRenderState( RS_CULLMODE, CULLMODE_NONE ) );