public DeviceResourceContext(GraphicsDevice device, VertexDeclaration declaration, int vertexCount, int indexStructSize, int indexCount)
{
var vertexSize = declaration.CalculateSize();
VertexCount = vertexCount;
IndexCount = indexCount;
// Workaround: due to graphics refactor sometimes empty emitters will try to draw 0 particles
// TODO Avoid calling this method if LivingParticles == 0
{
if (VertexCount <= 0)
{
VertexCount = 1;
}
if (IndexCount <= 0)
{
IndexCount = 1;
}
}
var vertexBuffer = Buffer.Vertex.New(device, VertexCount * vertexSize, GraphicsResourceUsage.Dynamic).DisposeBy(this);
var indexBuffer = Buffer.Index.New(device, IndexCount * indexStructSize, GraphicsResourceUsage.Dynamic).DisposeBy(this);
IndexBuffer = new IndexBufferBinding(indexBuffer, indexStructSize == sizeof(int), IndexCount);
VertexBuffer = new VertexBufferBinding(vertexBuffer, declaration, VertexCount, vertexSize);
}
public DeviceResourceContext(GraphicsDevice device, VertexDeclaration declaration, int vertexCount, int indexStructSize, int indexCount)
{
var vertexSize = declaration.CalculateSize();
VertexCount = vertexCount;
IndexCount = indexCount;
VertexBuffer = Buffer.Vertex.New(device, VertexCount * vertexSize, GraphicsResourceUsage.Dynamic).DisposeBy(this);
IndexBuffer = Buffer.Index.New(device, IndexCount * indexStructSize, GraphicsResourceUsage.Dynamic).DisposeBy(this);
dirty = true;
}
protected BatchBase(GraphicsDevice device, EffectBytecode defaultEffectByteCode, EffectBytecode defaultEffectByteCodeSRgb, ResourceBufferInfo resourceBufferInfo, VertexDeclaration vertexDeclaration, int indexSize = sizeof(short))
{
if (defaultEffectByteCode == null)
{
throw new ArgumentNullException(nameof(defaultEffectByteCode));
}
if (defaultEffectByteCodeSRgb == null)
{
throw new ArgumentNullException(nameof(defaultEffectByteCodeSRgb));
}
if (resourceBufferInfo == null)
{
throw new ArgumentNullException("resourceBufferInfo");
}
if (vertexDeclaration == null)
{
throw new ArgumentNullException("vertexDeclaration");
}
graphicsDevice = device;
mutablePipeline = new MutablePipelineState(device);
// TODO GRAPHICS REFACTOR Should we initialize FX lazily?
DefaultEffect = new EffectInstance(new Effect(device, defaultEffectByteCode)
{
Name = "BatchDefaultEffect"
});
DefaultEffectSRgb = new EffectInstance(new Effect(device, defaultEffectByteCodeSRgb)
{
Name = "BatchDefaultEffectSRgb"
});
drawsQueue = new ElementInfo[resourceBufferInfo.BatchCapacity];
drawTextures = new Texture[resourceBufferInfo.BatchCapacity];
TextureComparer = new TextureIdComparer();
BackToFrontComparer = new SpriteBackToFrontComparer();
FrontToBackComparer = new SpriteFrontToBackComparer();
// set the vertex layout and size
indexStructSize = indexSize;
vertexStructSize = vertexDeclaration.CalculateSize();
// Creates the vertex buffer (shared by within a device context).
ResourceContext = graphicsDevice.GetOrCreateSharedData(GraphicsDeviceSharedDataType.PerContext, resourceBufferInfo.ResourceKey, d => new DeviceResourceContext(graphicsDevice, vertexDeclaration, resourceBufferInfo));
}
public void CreateVAO(GraphicsDevice device, Effect effect, VertexDeclaration declaration, int indexStructSize)
{
if (!dirty)
{
return;
}
dirty = false;
var vertexSize = declaration.CalculateSize();
EffectInputSignature = effect.InputSignature;
var indexBufferBinding = new IndexBufferBinding(IndexBuffer, indexStructSize == sizeof(int), IndexBuffer.Description.SizeInBytes / indexStructSize);
var vertexBufferBinding = new VertexBufferBinding(VertexBuffer, declaration, VertexCount, vertexSize);
// Creates a VAO
VertexArrayObject = VertexArrayObject.New(device, effect.InputSignature, indexBufferBinding, vertexBufferBinding).DisposeBy(this);
}
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;
}