void CreateDeviceObjects()
{
// set up a commandlist
commandList = context.CommandList;
// compile de shader
imShader = new EffectInstance(effectSystem.LoadEffect("ImGuiShader").WaitForResult());
imShader.UpdateEffect(device);
var layout = new VertexDeclaration(
VertexElement.Position <Vector2>(),
VertexElement.TextureCoordinate <Vector2>(),
VertexElement.Color(PixelFormat.R8G8B8A8_UNorm)
);
imVertLayout = layout;
// de pipeline desc
var pipeline = new PipelineStateDescription()
{
BlendState = BlendStates.NonPremultiplied,
RasterizerState = new RasterizerStateDescription()
{
CullMode = CullMode.None,
DepthBias = 0,
FillMode = FillMode.Solid,
MultisampleAntiAliasLine = false,
ScissorTestEnable = true,
SlopeScaleDepthBias = 0,
},
PrimitiveType = PrimitiveType.TriangleList,
InputElements = imVertLayout.CreateInputElements(),
DepthStencilState = DepthStencilStates.Default,
EffectBytecode = imShader.Effect.Bytecode,
RootSignature = imShader.RootSignature,
Output = new RenderOutputDescription(PixelFormat.R8G8B8A8_UNorm)
};
// finally set up the pipeline
var pipelineState = PipelineState.New(device, ref pipeline);
imPipeline = pipelineState;
var is32Bits = false;
var indexBuffer = Xenko.Graphics.Buffer.Index.New(device, INITIAL_INDEX_BUFFER_SIZE * sizeof(ushort), GraphicsResourceUsage.Dynamic);
var indexBufferBinding = new IndexBufferBinding(indexBuffer, is32Bits, 0);
indexBinding = indexBufferBinding;
var vertexBuffer = Xenko.Graphics.Buffer.Vertex.New(device, INITIAL_VERTEX_BUFFER_SIZE * imVertLayout.CalculateSize(), GraphicsResourceUsage.Dynamic);
var vertexBufferBinding = new VertexBufferBinding(vertexBuffer, layout, 0);
vertexBinding = vertexBufferBinding;
}
//private Matrix viewprojection = new Matrix(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
protected override void InitializeCore()
{
base.InitializeCore();
myCustomShader = new DynamicEffectInstance("test_shader1");
myCustomShader.Initialize(Context.Services);
pipelineState = new MutablePipelineState(Context.GraphicsDevice);
pipelineState.State.SetDefaults();
pipelineState.State.InputElements = VertexDeclaration.CreateInputElements();
pipelineState.State.PrimitiveType = PrimitiveType.TriangleStrip;
pipelineState.State.BlendState = BlendStates.Default;
pipelineState.State.RasterizerState.CullMode = CullMode.None;
}
public DeviceResourceContext(GraphicsDevice device, VertexDeclaration declaration, ResourceBufferInfo resourceBufferInfo)
{
VertexDeclaration = declaration;
VertexCount = resourceBufferInfo.VertexCount;
IndexCount = resourceBufferInfo.IndexCount;
IsIndexBufferDynamic = resourceBufferInfo.IsIndexBufferDynamic;
if (!IsIndexBufferDynamic)
{
IndexBuffer = Buffer.Index.New(device, resourceBufferInfo.StaticIndices).DisposeBy(this);
IndexBuffer.Reload = graphicsResource => ((Buffer)graphicsResource).Recreate(resourceBufferInfo.StaticIndices);
}
InputElements = declaration.CreateInputElements();
}
private void Init()
{
_tribuf = Buffer.New(GraphicsDevice, new[]
{
new Vector4(-0.5f, 0.5f, 0, 1),
new Vector4(0.5f, 0.5f, 0, 1),
new Vector4(0, -0.5f, 0, 1)
}, BufferFlags.VertexBuffer, GraphicsResourceUsage.Immutable);
simpleEffect = new EffectInstance(new Effect(GraphicsDevice, SpriteEffect.Bytecode));
simpleEffect.Parameters.Set(SpriteBaseKeys.MatrixTransform, Matrix.Identity);
simpleEffect.UpdateEffect(GraphicsDevice);
pipelineState = new MutablePipelineState(GraphicsDevice);
pipelineState.State.SetDefaults();
pipelineState.State.InputElements = VertexDeclaration.CreateInputElements();
pipelineState.State.PrimitiveType = PrimitiveType;
}