public unsafe void ChangeRenderContext(AssetDatabase ad, RenderContext rc)
{
var factory = rc.ResourceFactory;
_vb = factory.CreateVertexBuffer(s_vertices.Length * VertexPosition.SizeInBytes, false);
_vb.SetVertexData(s_vertices, new VertexDescriptor(VertexPosition.SizeInBytes, 1, IntPtr.Zero));
_ib = factory.CreateIndexBuffer(s_indices.Length * sizeof(int), false);
_ib.SetIndices(s_indices);
Shader vs = factory.CreateShader(ShaderStages.Vertex, ShaderHelper.LoadShaderCode("skybox-vertex", ShaderStages.Vertex, rc.ResourceFactory));
Shader fs = factory.CreateShader(ShaderStages.Fragment, ShaderHelper.LoadShaderCode("skybox-frag", ShaderStages.Fragment, rc.ResourceFactory));
VertexInputLayout inputLayout = factory.CreateInputLayout(
new VertexInputDescription(
12,
new VertexInputElement("position", VertexSemanticType.Position, VertexElementFormat.Float3)));
ShaderSet shaderSet = factory.CreateShaderSet(inputLayout, vs, fs);
ShaderResourceBindingSlots constantSlots = factory.CreateShaderResourceBindingSlots(
shaderSet,
new ShaderResourceDescription("ProjectionMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("ViewMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("Skybox", ShaderResourceType.Texture),
new ShaderResourceDescription("Skybox", ShaderResourceType.Sampler));
_material = new Material(shaderSet, constantSlots);
_viewMatrixBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
fixed(Rgba32 *frontPin = &_front.ISImage.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * backPin = &_back.ISImage.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * leftPin = &_left.ISImage.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * rightPin = &_right.ISImage.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * topPin = &_top.ISImage.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * bottomPin = &_bottom.ISImage.DangerousGetPinnableReferenceToPixelBuffer())
{
var cubemapTexture = factory.CreateCubemapTexture(
(IntPtr)frontPin,
(IntPtr)backPin,
(IntPtr)leftPin,
(IntPtr)rightPin,
(IntPtr)topPin,
(IntPtr)bottomPin,
_front.Width,
_front.Height,
_front.PixelSizeInBytes,
_front.Format);
_cubemapBinding = factory.CreateShaderTextureBinding(cubemapTexture);
}
_rasterizerState = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Solid, false, false);
_viewProvider = new DependantDataProvider <Matrix4x4>(SharedDataProviders.GetProvider <Matrix4x4>("ViewMatrix"), Utilities.ConvertToMatrix3x3);
}
public void Render(RenderContext rc, string pipelineStage)
{
float rotationAmount = (float)DateTime.UtcNow.TimeOfDay.TotalMilliseconds / 1000;
Matrix4x4 mvData =
Matrix4x4.CreateScale(Scale)
* Matrix4x4.CreateFromYawPitchRoll(
rotationAmount,
(rotationAmount * .5f) * Position.X,
(rotationAmount * .33f) * Position.Z)
* Matrix4x4.CreateTranslation(Position + ((float)Math.Sin(rotationAmount) * Vector3.UnitY))
* SharedDataProviders.GetProvider <Matrix4x4>("ViewMatrix").Data;
_modelViewBuffer.SetData(ref mvData, 64);
rc.SetVertexBuffer(0, s_vb0);
rc.SetVertexBuffer(1, s_vb1);
rc.IndexBuffer = s_ib;
s_material.Apply(rc);
rc.SetConstantBuffer(0, SharedDataProviders.ProjectionMatrixBuffer);
rc.SetConstantBuffer(1, _modelViewBuffer);
rc.DrawIndexedPrimitives(s_cubeIndices.Length, 0);
}