public void CanExecutePixelShader()
{
// Arrange.
var shader = new Shader(ShaderTestUtility.CompileShader(
"Shaders/VS/BasicHLSL.fx", "RenderScenePS", "ps_4_0",
ShaderFlags.EnableBackwardsCompatibility));
shader.SetConstantBuffer("$Params", new BasicHlsl.PixelConstantBufferParams
{
Texture = true
});
shader.SetResource("MeshTextureSampler", (u, v, w, i) => new Vector4(0.5f, 1.0f, 0.0f, 1.0f));
var vertexOutput = new BasicHlsl.VertexShaderOutput
{
Position = new Vector4(0, 1, 2, 1),
Diffuse = new Vector4(0.8f, 0.7f, 0.6f, 1.0f),
TextureUV = new Vector2(0.5f, 0.3f)
};
// Act.
var output = shader.Execute <BasicHlsl.VertexShaderOutput, Vector4>(vertexOutput);
// Assert.
Assert.That(output, Is.EqualTo(new Vector4(0.4f, 0.7f, 0.0f, 1.0f)));
}
public void CanExecuteVertexShader()
{
// Arrange.
var shader = new Shader(ShaderTestUtility.CompileShader(
"Shaders/VS/BasicHLSL.fx", "RenderSceneVS", "vs_4_0"));
shader.SetConstantBuffer("$Globals", new BasicHlsl.VertexConstantBufferGlobals
{
World = Matrix.Identity,
WorldViewProjection =
Matrix.LookAtRH(Vector3.UnitZ, Vector3.Zero, Vector3.UnitY) *
Matrix.PerspectiveFovRH(MathUtil.PiOverFour, 1, 1, 10),
LightDir = Vector3.Normalize(new Vector3(0.3f, 0.5f, 0.7f)),
LightDiffuse = Vector4.One,
LightAmbient = new Vector4(0.1f, 0.1f, 0.1f, 1.0f),
MaterialDiffuseColor = new Vector4(0.8f, 0.5f, 0.3f, 1.0f),
MaterialAmbientColor = new Vector4(0.2f, 0.1f, 0.15f, 1.0f)
});
shader.SetConstantBuffer("$Params", new BasicHlsl.VertexConstantBufferParams
{
NumLights = 3,
Texture = true
});
var vertexInput = new BasicHlsl.VertexShaderInput
{
Position = new Vector4(3, 0, 2, 1),
Normal = new Vector3(0, 1, 0),
TextureCoordinate = new Vector2(0, 1)
};
// Act.
var output = shader.Execute <BasicHlsl.VertexShaderInput, BasicHlsl.VertexShaderOutput>(vertexInput);
// Assert.
Assert.That(output, Is.EqualTo(new BasicHlsl.VertexShaderOutput
{
Position = new Vector4(7.24264f, 0, -3.222222f, 1),
Diffuse = new Vector4(1.337171f, 0.833232f, 0.5089392f, 1),
TextureUV = new Vector2(0, 1)
}));
}