ShaderInfo GenerateShader()
{
shaderInfo = new ShaderInfo();
shaderInfo.ShaderProgramID = GL.CreateProgram();
ShaderHelper.LoadShader("Shaders/vertex.glsl", ShaderType.VertexShader, shaderInfo.ShaderProgramID, out shaderInfo.VertexShaderID);
ShaderHelper.LoadShader("Shaders/fragment.glsl", ShaderType.FragmentShader, shaderInfo.ShaderProgramID, out shaderInfo.FragmentShaderID);
GL.LinkProgram(shaderInfo.ShaderProgramID);
Console.WriteLine(GL.GetProgramInfoLog(shaderInfo.ShaderProgramID));
shaderInfo.Attribute_vertexPosition = GL.GetAttribLocation(shaderInfo.ShaderProgramID, "vPosition");
shaderInfo.Attribute_vertexColor = GL.GetAttribLocation(shaderInfo.ShaderProgramID, "vColor");
shaderInfo.Attribute_vertexNormal = GL.GetAttribLocation(shaderInfo.ShaderProgramID, "vNormal");
shaderInfo.Uniform_modelview = GL.GetUniformLocation(shaderInfo.ShaderProgramID, "modelview");
return(shaderInfo);
}
public override void CreateDeviceObjects(GraphicsDevice gd, CommandList cl, SceneContext sc)
{
DisposeCollectorResourceFactory factory = new DisposeCollectorResourceFactory(gd.ResourceFactory);
_disposeCollector = factory.DisposeCollector;
ResourceLayout resourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("SourceTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("SourceSampler", ResourceKind.Sampler, ShaderStages.Fragment)));
GraphicsPipelineDescription pd = new GraphicsPipelineDescription(
new BlendStateDescription(
RgbaFloat.Black,
BlendAttachmentDescription.OverrideBlend,
BlendAttachmentDescription.OverrideBlend),
DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerStateDescription.Default,
PrimitiveTopology.TriangleList,
new ShaderSetDescription(
new[]
{
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float2),
new VertexElementDescription("TexCoords", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2))
},
new[]
{
ShaderHelper.LoadShader(gd, factory, "ScreenDuplicator", ShaderStages.Vertex, "VS"),
ShaderHelper.LoadShader(gd, factory, "ScreenDuplicator", ShaderStages.Fragment, "FS"),
}),
new ResourceLayout[] { resourceLayout },
sc.DuplicatorFramebuffer.OutputDescription);
_pipeline = factory.CreateGraphicsPipeline(ref pd);
_vb = factory.CreateBuffer(new BufferDescription((uint)s_quadVerts.Length * sizeof(float), BufferUsage.VertexBuffer));
cl.UpdateBuffer(_vb, 0, s_quadVerts);
_ib = factory.CreateBuffer(
new BufferDescription((uint)s_quadIndices.Length * sizeof(ushort), BufferUsage.IndexBuffer));
cl.UpdateBuffer(_ib, 0, s_quadIndices);
}
public override void CreateDeviceObjects(GraphicsDevice gd, CommandList cl, SceneContext sc)
{
DisposeCollectorResourceFactory factory = new DisposeCollectorResourceFactory(gd.ResourceFactory);
_disposeCollector = factory.DisposeCollector;
ResourceLayout resourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("SourceTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("SourceSampler", ResourceKind.Sampler, ShaderStages.Fragment)));
GraphicsPipelineDescription pd = new GraphicsPipelineDescription(
new BlendStateDescription(
RgbaFloat.Black,
BlendAttachmentDescription.OverrideBlend),
DepthStencilStateDescription.Disabled,
new RasterizerStateDescription(FaceCullMode.Back, PolygonFillMode.Solid, FrontFace.Clockwise, true, false),
PrimitiveTopology.TriangleList,
new ShaderSetDescription(
new[]
{
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float2),
new VertexElementDescription("TexCoords", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2))
},
new[]
{
ShaderHelper.LoadShader(gd, factory, "FullScreenQuad", ShaderStages.Vertex, "VS"),
ShaderHelper.LoadShader(gd, factory, "FullScreenQuad", ShaderStages.Fragment, "FS"),
}),
new ResourceLayout[] { resourceLayout },
gd.SwapchainFramebuffer.OutputDescription);
_pipeline = factory.CreateGraphicsPipeline(ref pd);
_vb = factory.CreateBuffer(new BufferDescription(s_quadVerts.SizeInBytes() * sizeof(float), BufferUsage.VertexBuffer));
cl.UpdateBuffer(_vb, 0, s_quadVerts);
_ib = factory.CreateBuffer(
new BufferDescription(s_quadIndices.SizeInBytes(), BufferUsage.IndexBuffer));
cl.UpdateBuffer(_ib, 0, s_quadIndices);
}
public unsafe override void CreateDeviceObjects(GraphicsDevice gd, CommandList cl, SceneContext sc)
{
ResourceFactory factory = gd.ResourceFactory;
_vb = factory.CreateBuffer(new BufferDescription(VertexPosition.SizeInBytes * 4, BufferUsage.VertexBuffer));
cl.UpdateBuffer(_vb, 0, new VertexPosition[]
{
new VertexPosition(new Vector3(-1000, 0, -1000)),
new VertexPosition(new Vector3(+1000, 0, -1000)),
new VertexPosition(new Vector3(+1000, 0, +1000)),
new VertexPosition(new Vector3(-1000, 0, +1000)),
});
_ib = factory.CreateBuffer(new BufferDescription(6 * 2, BufferUsage.IndexBuffer));
cl.UpdateBuffer(_ib, 0, new ushort[] { 0, 1, 2, 0, 2, 3 });
const int gridSize = 64;
RgbaByte borderColor = new RgbaByte(255, 255, 255, 150);
RgbaByte[] pixels = CreateGridTexturePixels(gridSize, 1, borderColor, new RgbaByte());
Texture gridTexture = factory.CreateTexture(new TextureDescription(gridSize, gridSize, 1, 1, 1, PixelFormat.R8_G8_B8_A8_UNorm, TextureUsage.Sampled));
fixed(RgbaByte *pixelsPtr = pixels)
{
gd.UpdateTexture(gridTexture, (IntPtr)pixelsPtr, pixels.SizeInBytes(), 0, 0, 0, gridSize, gridSize, 1, 0, 0);
}
TextureView textureView = factory.CreateTextureView(new TextureViewDescription(gridTexture));
VertexLayoutDescription[] vertexLayouts = new VertexLayoutDescription[]
{
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3))
};
Shader gridVS = ShaderHelper.LoadShader(gd, factory, "Grid", ShaderStages.Vertex, "VS");
Shader gridFS = ShaderHelper.LoadShader(gd, factory, "Grid", ShaderStages.Fragment, "FS");
ResourceLayout layout = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("Projection", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("View", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("GridTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("GridSampler", ResourceKind.Sampler, ShaderStages.Fragment)));
GraphicsPipelineDescription pd = new GraphicsPipelineDescription(
BlendStateDescription.SingleAlphaBlend,
DepthStencilStateDescription.DepthOnlyLessEqual,
new RasterizerStateDescription(FaceCullMode.None, PolygonFillMode.Solid, FrontFace.Clockwise, true, true),
PrimitiveTopology.TriangleList,
new ShaderSetDescription(vertexLayouts, new[] { gridVS, gridFS }),
new ResourceLayout[] { layout },
sc.MainSceneFramebuffer.OutputDescription);
_pipeline = factory.CreateGraphicsPipeline(ref pd);
_resourceSet = factory.CreateResourceSet(new ResourceSetDescription(
layout,
sc.ProjectionMatrixBuffer,
sc.ViewMatrixBuffer,
textureView,
gd.PointSampler));
_disposeCollector.Add(_vb, _ib, gridTexture, textureView, gridVS, gridFS, layout, _pipeline, _resourceSet);
}
public unsafe override void CreateDeviceObjects(GraphicsDevice gd, CommandList cl, SceneContext sc)
{
ResourceFactory factory = gd.ResourceFactory;
_vb = factory.CreateBuffer(new BufferDescription(s_vertices.SizeInBytes(), BufferUsage.VertexBuffer));
cl.UpdateBuffer(_vb, 0, s_vertices);
_ib = factory.CreateBuffer(new BufferDescription(s_indices.SizeInBytes(), BufferUsage.IndexBuffer));
cl.UpdateBuffer(_ib, 0, s_indices);
Texture textureCube;
TextureView textureView;
fixed(Rgba32 *frontPin = &_front.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * backPin = &_back.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * leftPin = &_left.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * rightPin = &_right.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * topPin = &_top.DangerousGetPinnableReferenceToPixelBuffer())
fixed(Rgba32 * bottomPin = &_bottom.DangerousGetPinnableReferenceToPixelBuffer())
{
uint width = (uint)_front.Width;
uint height = (uint)_front.Height;
textureCube = factory.CreateTexture(TextureDescription.Texture2D(
width,
height,
1,
1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.Sampled | TextureUsage.Cubemap));
uint faceSize = (uint)(_front.Width * _front.Height * Unsafe.SizeOf <Rgba32>());
gd.UpdateTexture(textureCube, (IntPtr)rightPin, faceSize, 0, 0, 0, width, height, 1, 0, 0);
gd.UpdateTexture(textureCube, (IntPtr)leftPin, faceSize, 0, 0, 0, width, height, 1, 0, 1);
gd.UpdateTexture(textureCube, (IntPtr)topPin, faceSize, 0, 0, 0, width, height, 1, 0, 2);
gd.UpdateTexture(textureCube, (IntPtr)bottomPin, faceSize, 0, 0, 0, width, height, 1, 0, 3);
gd.UpdateTexture(textureCube, (IntPtr)backPin, faceSize, 0, 0, 0, width, height, 1, 0, 4);
gd.UpdateTexture(textureCube, (IntPtr)frontPin, faceSize, 0, 0, 0, width, height, 1, 0, 5);
textureView = factory.CreateTextureView(new TextureViewDescription(textureCube));
}
VertexLayoutDescription[] vertexLayouts = new VertexLayoutDescription[]
{
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3))
};
Shader vs = ShaderHelper.LoadShader(gd, factory, "Skybox", ShaderStages.Vertex, "VS");
Shader fs = ShaderHelper.LoadShader(gd, factory, "Skybox", ShaderStages.Fragment, "FS");
_layout = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("Projection", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("View", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("CubeTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("CubeSampler", ResourceKind.Sampler, ShaderStages.Fragment)));
GraphicsPipelineDescription pd = new GraphicsPipelineDescription(
BlendStateDescription.SingleAlphaBlend,
DepthStencilStateDescription.DepthOnlyLessEqual,
new RasterizerStateDescription(FaceCullMode.None, PolygonFillMode.Solid, FrontFace.Clockwise, true, true),
PrimitiveTopology.TriangleList,
new ShaderSetDescription(vertexLayouts, new[] { vs, fs }),
new ResourceLayout[] { _layout },
sc.MainSceneFramebuffer.OutputDescription);
_pipeline = factory.CreateGraphicsPipeline(ref pd);
pd.Outputs = sc.ReflectionFramebuffer.OutputDescription;
_reflectionPipeline = factory.CreateGraphicsPipeline(ref pd);
_resourceSet = factory.CreateResourceSet(new ResourceSetDescription(
_layout,
sc.ProjectionMatrixBuffer,
sc.ViewMatrixBuffer,
textureView,
gd.PointSampler));
_disposeCollector.Add(_vb, _ib, textureCube, textureView, _layout, _pipeline, _reflectionPipeline, _resourceSet, vs, fs);
}
public void Update(RenderState state)
{
var _cl = state.Commands;
var factory = state.factory;
resourceLayouts.Clear();
ResourceSets.Clear();
if (!shaders.Any())
{
shaders = shaderInfos.Select(x => ShaderHelper.LoadShader(factory, x.Path, x.Stage, x.EntryPoint)).ToArray();
}
factory.CreateIfNullBuffer(ref _projectionBuffer, new BufferDescription(64, BufferUsage.UniformBuffer));
factory.CreateIfNullBuffer(ref _viewBuffer, new BufferDescription(64, BufferUsage.UniformBuffer));
_cl.UpdateBuffer(_projectionBuffer, 0, state.Viewport.ProjectionMatrix);
_cl.UpdateBuffer(_viewBuffer, 0, state.Viewport.ViewMatrix);
VertexPositionTexture[] vertices = ConvertVertexToShaderStructure(geometry);//GetCubeVertices();
factory.CreateIfNullBuffer(ref _vertexBuffer, new BufferDescription((uint)(VertexPositionTexture.SizeInBytes * vertices.Length),
BufferUsage.VertexBuffer));
_cl.UpdateBuffer(_vertexBuffer, 0, vertices);
ushort[] indices = ConvertToShaderIndices(geometry);//GetCubeIndices();
factory.CreateIfNullBuffer(ref _indexBuffer, new BufferDescription(sizeof(ushort) * (uint)indices.Length,
BufferUsage.IndexBuffer));
_cl.UpdateBuffer(_indexBuffer, 0, indices);
//----
var _worldBuffer = factory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer));
Matrix4x4 rotation = Matrix;//Matrix4x4.CreateTranslation(Vector3.UnitX * 1);
//Matrix4x4.CreateFromAxisAngle(Vector3.UnitZ, (state.Ticks / 1000f)) *
//Matrix4x4.CreateFromAxisAngle(Vector3.UnitX, (state.Ticks / 3000f));
_cl.UpdateBuffer(_worldBuffer, 0, rotation);
ImageSharpTexture stoneImage = new ImageSharpTexture(texture);
var _surfaceTexture = stoneImage.CreateDeviceTexture(state.gd, factory);
var _surfaceTextureView = factory.CreateTextureView(_surfaceTexture);
ShaderSet = new ShaderSetDescription(new[] {
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("TexCoords", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2))
}, shaders);
ResourceLayout projViewLayout = factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("Projection", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("View", ResourceKind.UniformBuffer, ShaderStages.Vertex)));
var _projViewSet = factory.CreateResourceSet(new ResourceSetDescription(
projViewLayout,
_projectionBuffer,
_viewBuffer));
ResourceSets.Add(_projViewSet);
resourceLayouts.Add(projViewLayout);
ResourceLayout worldTextureLayout = factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("World", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("SurfaceTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("SurfaceSampler", ResourceKind.Sampler, ShaderStages.Fragment)));
resourceLayouts.Add(worldTextureLayout);
var _worldTextureSet = factory.CreateResourceSet(new ResourceSetDescription(
worldTextureLayout,
_worldBuffer,
_surfaceTextureView,
state.gd.Aniso4xSampler));
ResourceSets.Add(_worldTextureSet);
}
public static Shader LoadShader(ResourceFactory factory, string set, ShaderStages stage, string entryPoint)
{
string pathNoExtention = Path.Combine(AppContext.BaseDirectory, "Shaders", set);
return(ShaderHelper.LoadShader(factory, pathNoExtention, stage, entryPoint));
}
