private void InitializeContextObjects(RenderContext rc)
{
ResourceFactory factory = rc.ResourceFactory;
_vertexBuffer = factory.CreateVertexBuffer(500, false);
_indexBuffer = factory.CreateIndexBuffer(100, false);
_blendState = factory.CreateCustomBlendState(
true,
Blend.InverseSourceAlpha, Blend.Zero, BlendFunction.Add,
Blend.SourceAlpha, Blend.InverseSourceAlpha, BlendFunction.Add);
_depthDisabledState = factory.CreateDepthStencilState(false, DepthComparison.Always);
_rasterizerState = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Solid, true, true);
_material = factory.CreateMaterial(
rc,
"imgui-vertex", "imgui-frag",
new MaterialVertexInput(20, new MaterialVertexInputElement[]
{
new MaterialVertexInputElement("in_position", VertexSemanticType.Position, VertexElementFormat.Float2),
new MaterialVertexInputElement("in_texcoord", VertexSemanticType.TextureCoordinate, VertexElementFormat.Float2),
new MaterialVertexInputElement("in_color", VertexSemanticType.Color, VertexElementFormat.Byte4)
}),
new MaterialInputs <MaterialGlobalInputElement>(new MaterialGlobalInputElement[]
{
new MaterialGlobalInputElement("ProjectionMatrixBuffer", MaterialInputType.Matrix4x4, _projectionMatrixProvider)
}),
MaterialInputs <MaterialPerObjectInputElement> .Empty,
new MaterialTextureInputs(new MaterialTextureInputElement[]
{
new TextureDataInputElement("surfaceTexture", _fontTexture)
}));
var deviceTexture = rc.ResourceFactory.CreateTexture(_fontTexture.PixelData, _textureData.Width, _textureData.Height, _textureData.BytesPerPixel, PixelFormat.R8_G8_B8_A8);
_fontTextureBinding = rc.ResourceFactory.CreateShaderTextureBinding(deviceTexture);
}
private void InitializeContextObjects(AssetDatabase ad, RenderContext rc)
{
ResourceFactory factory = rc.ResourceFactory;
_vb = factory.CreateVertexBuffer(_meshData.Vertices.Length * VertexPositionNormalTexture.SizeInBytes, false);
_vb.SetVertexData(
_meshData.Vertices,
new VertexDescriptor(
VertexPositionNormalTexture.SizeInBytes,
VertexPositionNormalTexture.ElementCount,
IntPtr.Zero));
_ib = factory.CreateIndexBuffer(sizeof(int) * _meshData.Indices.Length, false);
_ib.SetIndices(_meshData.Indices);
_shadowPassMaterial = CreateShadowPassMaterial(rc.ResourceFactory);
_regularPassMaterial = CreateRegularPassMaterial(rc.ResourceFactory);
_worldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_inverseTransposeWorldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_surfaceTexture = _textureData.CreateDeviceTexture(factory);
_surfaceTextureBinding = factory.CreateShaderTextureBinding(_surfaceTexture);
_shadowMapSampler = rc.ResourceFactory.CreateSamplerState(
SamplerAddressMode.Border,
SamplerAddressMode.Border,
SamplerAddressMode.Border,
SamplerFilter.MinMagMipPoint,
1,
RgbaFloat.White,
DepthComparison.Always,
0,
int.MaxValue,
0);
}
private void InitializeContextObjects(RenderContext rc, MaterialCache materialCache, BufferCache bufferCache)
{
ResourceFactory factory = rc.ResourceFactory;
_instanceDataVB = factory.CreateVertexBuffer(InstanceData.SizeInBytes * 10, true);
_ib = factory.CreateIndexBuffer(new[] { 0 }, false);
if (_texture == null)
{
_texture = RawTextureDataArray <RgbaFloat> .FromSingleColor(RgbaFloat.Pink);
}
_deviceTexture = _texture.CreateDeviceTexture(factory);
_textureBinding = factory.CreateShaderTextureBinding(_deviceTexture);
_material = materialCache.GetMaterial(rc,
"passthrough-vertex", "billboard-geometry", "particle-fragment",
s_vertexInputs,
s_globalInputs,
s_perObjectInputs,
s_textureInputs);
_depthStencilState = factory.CreateDepthStencilState(true, DepthComparison.LessEqual, true);
#if DEBUG_PARTICLE_BOUNDS
var briwr = new BoundsRenderItemWireframeRenderer(this, rc);
_gs.AddRenderItem(briwr, Transform);
#endif
_initialized = true;
}
public override void CreateDeviceObjects(RenderContext rc)
{
ResourceFactory factory = rc.ResourceFactory;
_vb = factory.CreateVertexBuffer(
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)),
},
new VertexDescriptor(VertexPosition.SizeInBytes, VertexPosition.ElementCount),
false);
_ib = factory.CreateIndexBuffer(new ushort[] { 0, 1, 2, 0, 2, 3 }, false);
GridSetInfo.CreateAll(
factory,
ShaderHelper.LoadBytecode(factory, "Grid", ShaderStages.Vertex),
ShaderHelper.LoadBytecode(factory, "Grid", ShaderStages.Fragment),
out _shaderSet, out _resourceBindings);
const int gridSize = 64;
RgbaByte borderColor = new RgbaByte(255, 255, 255, 150);
RgbaByte[] pixels = CreateGridTexturePixels(gridSize, 1, borderColor, new RgbaByte());
_gridTexture = factory.CreateTexture(pixels, gridSize, gridSize, PixelFormat.R8_G8_B8_A8_UInt);
_textureBinding = factory.CreateShaderTextureBinding(_gridTexture);
_rasterizerState = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Solid, true, true);
}
private void SetPreupscaleQuality(float value)
{
Debug.Assert(value > 0 && value <= 1);
_preUpscaleQuality = value;
int width = (int)(Context.Window.Width * value);
int height = (int)(width * ((float)Context.Window.Height / Context.Window.Width));
_upscaleSource?.ColorTexture?.Dispose();
_upscaleSource?.DepthTexture?.Dispose();
_upscaleSource?.Dispose();
_upscaleDepthView?.Dispose();
_upscaleSource = Context.ResourceFactory.CreateFramebuffer(width, height);
if (_alphaBlendFramebuffer == null)
{
_alphaBlendFramebuffer = Context.ResourceFactory.CreateFramebuffer();
}
_alphaBlendFramebuffer.ColorTexture = _upscaleSource.ColorTexture;
_upscaleDepthView = Context.ResourceFactory.CreateShaderTextureBinding(_upscaleSource.DepthTexture);
_upscaleStage.SourceTexture = _upscaleSource.ColorTexture;
_upscaleStage.Enabled = true;
SetOverrideFramebuffers();
}
public PreviewModel(
VertexBuffer vb,
IndexBuffer ib,
int elementCount,
Material regularMaterial,
Material shadowmapMaterial,
ConstantBuffer worldBuffer,
DynamicDataProvider <Matrix4x4> worldProvider,
ConstantBuffer inverseTransposeWorldBuffer,
Dictionary <string, ConstantBuffer> buffersDict,
ShaderTextureBinding surfaceTextureBinding
)
{
_vb = vb;
_ib = ib;
_elementCount = elementCount;
_regularMaterial = regularMaterial;
_shadowmapMaterial = shadowmapMaterial;
_worldProvider = worldProvider;
_inverseWorldProvider = new DependantDataProvider <Matrix4x4>(worldProvider, Utilities.CalculateInverseTranspose);
_textureBinding = surfaceTextureBinding;
_worldBuffer = worldBuffer;
_inverseTransposeWorldBuffer = inverseTransposeWorldBuffer;
_buffersDict = buffersDict;
}
public UpscaleStage(RenderContext rc, string stageName, DeviceTexture2D sourceTexture, Framebuffer outputBuffer)
{
RenderContext = rc;
Name = stageName;
_outputFramebuffer = outputBuffer;
ResourceFactory factory = rc.ResourceFactory;
_quadVB = factory.CreateVertexBuffer(VertexPositionTexture.SizeInBytes * 4, false);
_quadVB.SetVertexData(
new VertexPositionTexture[]
{
new VertexPositionTexture(new Vector3(-1, 1, 0), new Vector2(0, 0)),
new VertexPositionTexture(new Vector3(1, 1, 0), new Vector2(1, 0)),
new VertexPositionTexture(new Vector3(1, -1, 0), new Vector2(1, 1)),
new VertexPositionTexture(new Vector3(-1, -1, 0), new Vector2(0, 1))
}, new VertexDescriptor(VertexPositionTexture.SizeInBytes, 2, 0, IntPtr.Zero));
_quadIB = factory.CreateIndexBuffer(sizeof(int) * 6, false);
_quadIB.SetIndices(new int[] { 0, 1, 2, 0, 2, 3 });
_quadMaterial = factory.CreateMaterial(rc, "simple-2d-vertex", "simple-2d-frag",
new MaterialVertexInput(
20,
new MaterialVertexInputElement("in_position", VertexSemanticType.Position, VertexElementFormat.Float3),
new MaterialVertexInputElement("in_texCoord", VertexSemanticType.TextureCoordinate, VertexElementFormat.Float2)),
new MaterialInputs <MaterialGlobalInputElement>(
new MaterialGlobalInputElement("WorldMatrixBuffer", MaterialInputType.Matrix4x4, _identityProvider),
new MaterialGlobalInputElement("ProjectionMatrixBuffer", MaterialInputType.Matrix4x4, _identityProvider)),
MaterialInputs <MaterialPerObjectInputElement> .Empty,
new MaterialTextureInputs(new ManualTextureInput("SurfaceTexture")));
if (sourceTexture != null)
{
_textureBinding = factory.CreateShaderTextureBinding(sourceTexture);
}
}
public TextureAtlas(RenderContext rc, int size)
{
_size = size;
_rc = rc;
_texture = rc.ResourceFactory.CreateTexture(IntPtr.Zero, size, size, 1, PixelFormat.R8_UInt);
_textureBinding = rc.ResourceFactory.CreateShaderTextureBinding(_texture);
_atlasInfo = new DynamicDataProvider <FontAtlasInfo>(new FontAtlasInfo(size));
}
protected override void PlatformSetTexture(int slot, ShaderTextureBinding textureBinding)
{
OpenGLTextureBinding glTextureBinding = (OpenGLTextureBinding)textureBinding;
OpenGLTextureBindingSlotInfo info = ShaderResourceBindingSlots.GetTextureBindingInfo(slot);
_textureSamplerManager.SetTexture(info.RelativeIndex, glTextureBinding);
ShaderSet.UpdateTextureUniform(info.UniformLocation, info.RelativeIndex);
}
public void SetTexture(int slot, ShaderTextureBinding textureBinding)
{
if (_textureBindingSlots == null)
{
throw new InvalidOperationException("Cannot call SetTexture when TextureBindingSlots has not been set.");
}
PlatformSetTexture(slot, textureBinding);
}
private void RecreateTexture()
{
_deviceTexture.Dispose();
_textureBinding.Dispose();
_texture = _textureRef.Get(_ad);
_deviceTexture = _texture.CreateDeviceTexture(_gs.Context.ResourceFactory);
_textureBinding = _gs.Context.ResourceFactory.CreateShaderTextureBinding(_deviceTexture);
}
public void SetTexture(int slot, ShaderTextureBinding textureBinding)
{
if (_resourceBindingSlots == null)
{
throw new VeldridException("Cannot call SetTexture when TextureBindingSlots has not been set.");
}
_boundTexturesBySlot[slot] = textureBinding.BoundTexture;
PlatformSetTexture(slot, textureBinding);
}
private void InitializeContextObjects(RenderContext rc)
{
ResourceFactory factory = rc.ResourceFactory;
_vb = factory.CreateVertexBuffer(1024, true);
_ib = factory.CreateIndexBuffer(1024, true, IndexFormat.UInt16);
_material = CreateWireframeMaterial(rc);
_texture = _textureData.CreateDeviceTexture(factory);
_textureBinding = factory.CreateShaderTextureBinding(_texture);
_wireframeState = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Wireframe, true, true);
}
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);
}
private void InitializeContextObjects(RenderContext rc)
{
_depthTexture = rc.ResourceFactory.CreateTexture(
1,
DepthMapWidth,
DepthMapHeight,
PixelFormat.R16_UInt,
DeviceTextureCreateOptions.DepthStencil);
_depthTextureBinding = rc.ResourceFactory.CreateShaderTextureBinding(_depthTexture);
_shadowMapFramebuffer = rc.ResourceFactory.CreateFramebuffer();
_shadowMapFramebuffer.DepthTexture = _depthTexture;
SharedTextures.SetTextureBinding(_contextBindingName, _depthTextureBinding);
}
private void InitializeContextObjects(RenderContext context)
{
_currentContext = context;
ResourceFactory factory = context.ResourceFactory;
_vb = factory.CreateVertexBuffer(VertexPositionNormalTexture.SizeInBytes * _vertices.Length, false);
VertexDescriptor desc = new VertexDescriptor(
VertexPositionNormalTexture.SizeInBytes,
VertexPositionNormalTexture.ElementCount,
IntPtr.Zero);
_vb.SetVertexData(_vertices, desc);
_ib = factory.CreateIndexBuffer(sizeof(ushort) * _indices.Length, false);
_ib.SetIndices(_indices);
VertexInputDescription materialInputs = new VertexInputDescription(
VertexPositionNormalTexture.SizeInBytes,
new VertexInputElement[]
{
new VertexInputElement("in_position", VertexSemanticType.Position, VertexElementFormat.Float3),
new VertexInputElement("in_normal", VertexSemanticType.Normal, VertexElementFormat.Float3),
new VertexInputElement("in_texCoord", VertexSemanticType.TextureCoordinate, VertexElementFormat.Float2)
});
ShaderResourceDescription[] resources = new[]
{
new ShaderResourceDescription("ProjectionMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("ViewMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("LightBuffer", Unsafe.SizeOf <DirectionalLightBuffer>()),
new ShaderResourceDescription("WorldMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("InverseTransposeWorldMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("surfaceTexture", ShaderResourceType.Texture),
new ShaderResourceDescription("surfaceTexture", ShaderResourceType.Sampler)
};
_material = factory.CreateMaterial(
context,
VertexShaderSource,
FragmentShaderSource,
materialInputs,
resources);
_worldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_inverseTransposeWorldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
DeviceTexture2D texture = _texture.CreateDeviceTexture(factory);
_textureBinding = factory.CreateShaderTextureBinding(texture);
s_wireframeRasterizerState = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Wireframe, true, true);
}
public AxesRenderer(RenderContext rc, GraphicsSystem gs)
{
_gs = gs;
_vb = rc.ResourceFactory.CreateVertexBuffer(6 * VertexPositionColor.SizeInBytes, false);
const float opacity = 0.56f;
RgbaFloat red = new RgbaFloat(1, 0, 0, opacity);
RgbaFloat green = new RgbaFloat(0, 1, 0, opacity);
RgbaFloat blue = new RgbaFloat(0, 0, 1, opacity);
SetPlaneVertices(
new Vector3(PlaneLength, 0, PlaneLength),
new Vector3(PlaneLength, PlaneLength, 0),
new Vector3(0, PlaneLength, PlaneLength));
_ib = rc.ResourceFactory.CreateIndexBuffer(6 * 4, false);
_ib.SetIndices(
new int[]
{
0, 1, 2, 3, 4, 5, // Lines
// Planes
6, 7, 8, 6, 8, 9,
10, 11, 12, 10, 12, 13,
14, 15, 16, 14, 16, 17,
// Solid plane borders
18, 19, 19, 20, 20, 21, 21, 18,
22, 23, 23, 24, 24, 25, 25, 22,
26, 27, 27, 28, 28, 29, 29, 26
},
0,
0);
_lineIndicesCount = 6;
_material = CreateMaterial(rc);
_pointerVB = ArrowPointerModel.MeshData.CreateVertexBuffer(rc.ResourceFactory);
_pointerIB = ArrowPointerModel.MeshData.CreateIndexBuffer(rc.ResourceFactory, out _pointerIndexCount);
_pointerMaterial = CreatePointerMaterial(rc);
_redTexture = RawTextureDataArray <RgbaFloat> .FromSingleColor(RgbaFloat.Red).CreateDeviceTexture(rc.ResourceFactory);
_greenTexture = RawTextureDataArray <RgbaFloat> .FromSingleColor(RgbaFloat.Green).CreateDeviceTexture(rc.ResourceFactory);
_blueTexture = RawTextureDataArray <RgbaFloat> .FromSingleColor(RgbaFloat.Blue).CreateDeviceTexture(rc.ResourceFactory);
_redBinding = rc.ResourceFactory.CreateShaderTextureBinding(_redTexture);
_greenBinding = rc.ResourceFactory.CreateShaderTextureBinding(_greenTexture);
_blueBinding = rc.ResourceFactory.CreateShaderTextureBinding(_blueTexture);
_dss = rc.ResourceFactory.CreateDepthStencilState(false, DepthComparison.Always);
_rs = rc.ResourceFactory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Solid, true, true);
}
/// <summary>
/// Gets or creates a handle for a texture to be drawn with ImGui.
/// Pass the returned handle to Image() or ImageButton().
/// </summary>
public static IntPtr GetOrCreateImGuiBinding(RenderContext rc, ShaderTextureBinding stb)
{
ShaderTextureBindingInfo stbi;
if (!s_textureBindings.TryGetValue(stb.BoundTexture, out stbi))
{
var imGuiBinding = new IntPtr(++s_lastAssigned);
stbi = new ShaderTextureBindingInfo(imGuiBinding, stb);
s_textureBindings.Add(stb.BoundTexture, stbi);
s_bindings.Add(imGuiBinding, stbi);
}
return(stbi.ImGuiBinding);
}
private void InitializeContextObjects(RenderContext rc)
{
var factory = rc.ResourceFactory;
var mesh = LoadTeapotMesh();
_vertexBuffer = factory.CreateVertexBuffer(mesh.Vertices.Length * VertexPositionNormalTexture.SizeInBytes, false);
_vertexBuffer.SetVertexData(mesh.Vertices, new VertexDescriptor(VertexPositionNormalTexture.SizeInBytes, 3, IntPtr.Zero));
_indexBuffer = factory.CreateIndexBuffer(mesh.Indices.Length * sizeof(int), false);
_indexBuffer.SetIndices(mesh.Indices);
VertexInputDescription materialInputs = new VertexInputDescription(
VertexPositionNormalTexture.SizeInBytes,
new VertexInputElement[]
{
new VertexInputElement("in_position", VertexSemanticType.Position, VertexElementFormat.Float3),
new VertexInputElement("in_normal", VertexSemanticType.Normal, VertexElementFormat.Float3),
new VertexInputElement("in_texCoord", VertexSemanticType.TextureCoordinate, VertexElementFormat.Float2)
});
ShaderResourceDescription[] resources = new[]
{
new ShaderResourceDescription("ProjectionMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("ViewMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("LightBuffer", Unsafe.SizeOf <DirectionalLightBuffer>()),
new ShaderResourceDescription("WorldMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("InverseTransposeWorldMatrixBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("surfaceTexture", ShaderResourceType.Texture),
new ShaderResourceDescription("surfaceTexture", ShaderResourceType.Sampler)
};
_material = factory.CreateMaterial(
rc,
"textured-vertex",
"lit-frag",
materialInputs,
resources);
_worldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_inverseTransposeWorldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
DeviceTexture2D deviceTex = s_cubeTexture.CreateDeviceTexture(factory);
_textureBinding = factory.CreateShaderTextureBinding(deviceTex);
}
public PreviewModel(
VertexBuffer vb,
IndexBuffer ib,
int elementCount,
Material regularMaterial,
Material shadowmapMaterial,
DynamicDataProvider <Matrix4x4> worldProvider,
ShaderTextureBinding surfaceTextureBinding = null)
{
_vb = vb;
_ib = ib;
_elementCount = elementCount;
_regularMaterial = regularMaterial;
_shadowmapMaterial = shadowmapMaterial;
_worldProvider = worldProvider;
_inverseWorldProvider = new DependantDataProvider <Matrix4x4>(worldProvider, Utilities.CalculateInverseTranspose);
_perObjectInputs = new ConstantBufferDataProvider[] { _worldProvider, _inverseWorldProvider };
_textureBinding = surfaceTextureBinding;
}
public unsafe override void CreateDeviceObjects(RenderContext rc)
{
ResourceFactory 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);
SkyboxSetInfo.CreateAll(
factory,
ShaderHelper.LoadBytecode(factory, "Skybox", ShaderStages.Vertex),
ShaderHelper.LoadBytecode(factory, "Skybox", ShaderStages.Fragment),
out _shaderSet,
out _resourceSlots);
_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())
{
_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);
}
public 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, 0, IntPtr.Zero));
_ib = factory.CreateIndexBuffer(s_indices.Length * sizeof(int), false);
_ib.SetIndices(s_indices);
_material = ad.LoadAsset <MaterialAsset>("MaterialAsset/Skybox.json").Create(ad, rc);
var viewProvider = (ConstantBufferDataProvider <Matrix4x4>)((ChangeableProvider)rc.GetNamedGlobalBufferProviderPair("ViewMatrix").DataProvider).DataProvider;
_perObjectInput = new DependantDataProvider <Matrix4x4>(
viewProvider,
Utilities.ConvertToMatrix3x3);
using (var frontPin = _front.Pixels.Pin())
using (var backPin = _back.Pixels.Pin())
using (var leftPin = _left.Pixels.Pin())
using (var rightPin = _right.Pixels.Pin())
using (var topPin = _top.Pixels.Pin())
using (var bottomPin = _bottom.Pixels.Pin())
{
var cubemapTexture = factory.CreateCubemapTexture(
frontPin.Ptr,
backPin.Ptr,
leftPin.Ptr,
rightPin.Ptr,
topPin.Ptr,
bottomPin.Ptr,
_front.Width,
_front.Height,
_front.PixelSizeInBytes,
_front.Format);
_cubemapBinding = factory.CreateShaderTextureBinding(cubemapTexture);
}
_rasterizerState = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Solid, false, false);
}
/// <summary>
/// Recreates the device texture used to render text.
/// </summary>
public unsafe void RecreateFontDeviceTexture(RenderContext rc)
{
var io = ImGui.GetIO();
// Build
var textureData = io.FontAtlas.GetTexDataAsRGBA32();
// Store our identifier
io.FontAtlas.SetTexID(_fontAtlasID);
var deviceTexture = rc.ResourceFactory.CreateTexture(1, textureData.Width, textureData.Height, PixelFormat.R8_G8_B8_A8_UInt);
deviceTexture.SetTextureData(
0,
0, 0,
textureData.Width,
textureData.Height,
(IntPtr)textureData.Pixels,
textureData.BytesPerPixel * textureData.Width * textureData.Height);
_fontTextureBinding = rc.ResourceFactory.CreateShaderTextureBinding(deviceTexture);
io.FontAtlas.ClearTexData();
}
private void InitializeContextObjects(AssetDatabase ad, RenderContext rc)
{
ResourceFactory factory = rc.ResourceFactory;
_vb = factory.CreateVertexBuffer(_vertices.Length * VertexPositionNormalTexture.SizeInBytes, false);
_vb.SetVertexData(
_vertices,
new VertexDescriptor(
VertexPositionNormalTexture.SizeInBytes,
VertexPositionNormalTexture.ElementCount,
0,
IntPtr.Zero));
_ib = factory.CreateIndexBuffer(sizeof(int) * _indices.Length, false);
_ib.SetIndices(_indices);
_shadowPassMaterial = _shadowPassMaterialAsset.Create(ad, rc);
_regularPassMaterial = _regularPassMaterialAsset.Create(ad, rc);
if (_overrideTextureData != null)
{
_overrideTexture = _overrideTextureData.CreateDeviceTexture(factory);
_overrideTextureBinding = factory.CreateShaderTextureBinding(_overrideTexture);
}
}
public unsafe void RecreateFontDeviceTexture(RenderContext rc)
{
var io = ImGui.GetIO();
// Build
_textureData = io.FontAtlas.GetTexDataAsRGBA32();
int[] pixels = new int[_textureData.Width * _textureData.Height];
for (int i = 0; i < pixels.Length; i++)
{
pixels[i] = ((int *)_textureData.Pixels)[i];
}
_fontTexture = new RawTextureDataArray <int>(pixels, _textureData.Width, _textureData.Height, _textureData.BytesPerPixel, PixelFormat.R8_G8_B8_A8);
// Store our identifier
io.FontAtlas.SetTexID(_fontAtlasID);
var deviceTexture = rc.ResourceFactory.CreateTexture(_fontTexture.PixelData, _textureData.Width, _textureData.Height, _textureData.BytesPerPixel, PixelFormat.R8_G8_B8_A8);
_fontTextureBinding = rc.ResourceFactory.CreateShaderTextureBinding(deviceTexture);
io.FontAtlas.ClearTexData();
}
public BasicDemoApp(Sdl2Window window, RenderContext rc)
{
_window = window;
_rc = rc;
_window.Closed += () => _running = false;
_window.Resized += () => _windowResized = true;
ResourceFactory factory = _rc.ResourceFactory;
_vb = factory.CreateVertexBuffer(s_cubeVertices, new VertexDescriptor(VertexPositionTexture.SizeInBytes, VertexPositionTexture.ElementCount), false);
_ib = factory.CreateIndexBuffer(s_cubeIndices, false);
Shader vertexShader = factory.CreateShader(ShaderStages.Vertex, factory.LoadProcessedShader(GetShaderBytecode(factory.BackendType, true)));
Shader fragmentShader = factory.CreateShader(ShaderStages.Fragment, factory.LoadProcessedShader(GetShaderBytecode(factory.BackendType, false)));
VertexInputLayout inputLayout = factory.CreateInputLayout(
new VertexInputElement("vsin_position", VertexSemanticType.Position, VertexElementFormat.Float3),
new VertexInputElement("vsin_texCoord", VertexSemanticType.TextureCoordinate, VertexElementFormat.Float2));
_shaderSet = factory.CreateShaderSet(inputLayout, vertexShader, fragmentShader);
_resourceBindings = factory.CreateShaderResourceBindingSlots(
_shaderSet,
new ShaderResourceDescription("WorldViewProjectionBuffer", ShaderConstantType.Matrix4x4),
new ShaderResourceDescription("SurfaceTexture", ShaderResourceType.Texture, ShaderStages.Fragment),
new ShaderResourceDescription("Sampler", ShaderResourceType.Sampler, ShaderStages.Fragment));
_worldBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_viewBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
_projectionBuffer = factory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
TextureData textureData = new ImageSharpMipmapChain(
Path.Combine(AppContext.BaseDirectory, "Textures", "Sponza_Bricks.png"));
_deviceTexture = textureData.CreateDeviceTexture(factory);
_textureBinding = factory.CreateShaderTextureBinding(_deviceTexture);
_worldBuffer.SetData(Matrix4x4.Identity);
_viewBuffer.SetData(Matrix4x4.CreateLookAt(new Vector3(0, 0, -5), Vector3.Zero, Vector3.UnitY));
}
private void RecreateCubemapTexture()
{
AssetDatabase ad = _as.Database;
ResourceFactory factory = _gs.Context.ResourceFactory;
_cubemapBinding?.BoundTexture.Dispose();
_cubemapBinding?.Dispose();
var front = !_front.HasValue ? _front.Get(ad) : ad.LoadAsset <ImageSharpTexture>(EngineEmbeddedAssets.SkyboxFrontID);
var back = !_back.HasValue ? _back.Get(ad) : ad.LoadAsset <ImageSharpTexture>(EngineEmbeddedAssets.SkyboxBackID);
var left = !_left.HasValue ? _left.Get(ad) : ad.LoadAsset <ImageSharpTexture>(EngineEmbeddedAssets.SkyboxLeftID);
var right = !_right.HasValue ? _right.Get(ad) : ad.LoadAsset <ImageSharpTexture>(EngineEmbeddedAssets.SkyboxRightID);
var top = !_top.HasValue ? _top.Get(ad) : ad.LoadAsset <ImageSharpTexture>(EngineEmbeddedAssets.SkyboxTopID);
var bottom = !_bottom.HasValue ? _bottom.Get(ad) : ad.LoadAsset <ImageSharpTexture>(EngineEmbeddedAssets.SkyboxBottomID);
using (var frontPin = front.Pixels.Pin())
using (var backPin = back.Pixels.Pin())
using (var leftPin = left.Pixels.Pin())
using (var rightPin = right.Pixels.Pin())
using (var topPin = top.Pixels.Pin())
using (var bottomPin = bottom.Pixels.Pin())
{
var cubemapTexture = factory.CreateCubemapTexture(
frontPin.Ptr,
backPin.Ptr,
leftPin.Ptr,
rightPin.Ptr,
topPin.Ptr,
bottomPin.Ptr,
front.Width,
front.Height,
front.PixelSizeInBytes,
front.Format);
_cubemapBinding = factory.CreateShaderTextureBinding(cubemapTexture);
}
}
private unsafe void RenderImDrawData(DrawData *draw_data, RenderContext rc)
{
VertexDescriptor descriptor = new VertexDescriptor((byte)sizeof(DrawVert), 3, IntPtr.Zero);
int vertexOffsetInVertices = 0;
int indexOffsetInElements = 0;
if (draw_data->CmdListsCount == 0)
{
return;
}
for (int i = 0; i < draw_data->CmdListsCount; i++)
{
NativeDrawList *cmd_list = draw_data->CmdLists[i];
_vertexBuffer.SetVertexData(new IntPtr(cmd_list->VtxBuffer.Data), descriptor, cmd_list->VtxBuffer.Size, vertexOffsetInVertices);
_indexBuffer.SetIndices(new IntPtr(cmd_list->IdxBuffer.Data), IndexFormat.UInt16, cmd_list->IdxBuffer.Size, indexOffsetInElements);
vertexOffsetInVertices += cmd_list->VtxBuffer.Size;
indexOffsetInElements += cmd_list->IdxBuffer.Size;
}
// Setup orthographic projection matrix into our constant buffer
{
var io = ImGui.GetIO();
Matrix4x4 mvp = Matrix4x4.CreateOrthographicOffCenter(
0f,
io.DisplaySize.X,
io.DisplaySize.Y,
0.0f,
-1.0f,
1.0f);
_projMatrixBuffer.SetData(ref mvp, sizeof(Matrix4x4));
}
BlendState previousBlendState = rc.BlendState;
rc.SetBlendState(_blendState);
rc.SetDepthStencilState(_depthDisabledState);
RasterizerState previousRasterizerState = rc.RasterizerState;
rc.SetRasterizerState(_rasterizerState);
rc.VertexBuffer = _vertexBuffer;
rc.IndexBuffer = _indexBuffer;
rc.ShaderSet = _shaderSet;
rc.ShaderResourceBindingSlots = _resourceBindings;
rc.SetConstantBuffer(0, _projMatrixBuffer);
rc.SetSamplerState(2, _rc.PointSampler);
ImGui.ScaleClipRects(draw_data, ImGui.GetIO().DisplayFramebufferScale);
// Render command lists
int vtx_offset = 0;
int idx_offset = 0;
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
NativeDrawList *cmd_list = draw_data->CmdLists[n];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
DrawCmd *pcmd = &(((DrawCmd *)cmd_list->CmdBuffer.Data)[cmd_i]);
if (pcmd->UserCallback != IntPtr.Zero)
{
throw new NotImplementedException();
}
else
{
if (pcmd->TextureId != IntPtr.Zero)
{
if (pcmd->TextureId == new IntPtr(_fontAtlasID))
{
_rc.SetTexture(1, _fontTextureBinding);
}
else
{
ShaderTextureBinding binding = ImGuiImageHelper.GetShaderTextureBinding(pcmd->TextureId);
_rc.SetTexture(1, binding);
}
}
// TODO: This doesn't take into account viewport coordinates.
rc.SetScissorRectangle(
(int)pcmd->ClipRect.X,
(int)pcmd->ClipRect.Y,
(int)pcmd->ClipRect.Z,
(int)pcmd->ClipRect.W);
rc.DrawIndexedPrimitives((int)pcmd->ElemCount, idx_offset, vtx_offset);
}
idx_offset += (int)pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.Size;
}
rc.ClearScissorRectangle();
rc.SetBlendState(previousBlendState);
rc.SetDepthStencilState(rc.DefaultDepthStencilState);
rc.SetRasterizerState(previousRasterizerState);
}
private async void InitializeContextObjects(RenderContext context, MaterialCache materialCache, BufferCache bufferCache)
{
ResourceFactory factory = context.ResourceFactory;
Debug.Assert(_vb == null);
Debug.Assert(_ib == null);
Debug.Assert(_deviceTexture == null);
Debug.Assert(_textureBinding == null);
_vb = bufferCache.GetVertexBuffer(_mesh);
CreateIndexBuffer(wasTransparent: false);
if (s_regularGlobalInputs == null)
{
s_regularGlobalInputs = new MaterialInputs <MaterialGlobalInputElement>(
new MaterialGlobalInputElement[]
{
new MaterialGlobalInputElement("ProjectionMatrixBuffer", MaterialInputType.Matrix4x4, "ProjectionMatrix"),
new MaterialGlobalInputElement("ViewMatrixBuffer", MaterialInputType.Matrix4x4, "ViewMatrix"),
new MaterialGlobalInputElement("LightProjectionMatrixBuffer", MaterialInputType.Matrix4x4, "LightProjMatrix"),
new MaterialGlobalInputElement("LightViewMatrixBuffer", MaterialInputType.Matrix4x4, "LightViewMatrix"),
new MaterialGlobalInputElement("LightInfoBuffer", MaterialInputType.Custom, "LightBuffer"),
new MaterialGlobalInputElement("CameraInfoBuffer", MaterialInputType.Custom, "CameraInfo"),
new MaterialGlobalInputElement("PointLightsBuffer", MaterialInputType.Custom, "PointLights")
});
}
_regularPassMaterial = materialCache.GetMaterial(
context,
RegularPassVertexShaderSource,
RegularPassFragmentShaderSource,
s_vertexInputs,
s_regularGlobalInputs,
s_perObjectInputs,
s_textureInputs);
_regularPassTransparentMaterial = materialCache.GetMaterial(
context,
RegularPassTransparentVertexShaderSource,
RegularPassTransparentFragmentShaderSource,
s_vertexInputs,
s_regularGlobalInputs,
s_transparentPerObjectInputs,
s_transparentTextureInputs);
if (_texture == null)
{
_texture = RawTextureDataArray <RgbaFloat> .FromSingleColor(RgbaFloat.Pink);
}
_deviceTexture = await _gs.ExecuteOnMainThread(() => _texture.CreateDeviceTexture(factory));
_textureBinding = await _gs.ExecuteOnMainThread(() => factory.CreateShaderTextureBinding(_deviceTexture));
if (s_shadowmapGlobalInputs == null)
{
s_shadowmapGlobalInputs = new MaterialInputs <MaterialGlobalInputElement>(
new MaterialGlobalInputElement[]
{
new MaterialGlobalInputElement("ProjectionMatrixBuffer", MaterialInputType.Matrix4x4, "LightProjMatrix"),
new MaterialGlobalInputElement("ViewMatrixBuffer", MaterialInputType.Matrix4x4, "LightViewMatrix")
});
}
_shadowPassMaterial = materialCache.GetMaterial(
context,
ShadowMapPassVertexShaderSource,
ShadowMapPassFragmentShaderSource,
s_vertexInputs,
s_shadowmapGlobalInputs,
s_shadowmapPerObjectInputs,
MaterialTextureInputs.Empty);
if (s_wireframeRS == null)
{
s_wireframeRS = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Wireframe, true, true);
}
if (s_noCullRS == null)
{
s_noCullRS = factory.CreateRasterizerState(FaceCullingMode.None, TriangleFillMode.Solid, true, true);
}
_initialized = true;
}
private PreviewModel CreatePreviewModel(VertexPositionNormalTexture[] vertices, int[] indices, ShaderTextureBinding textureBinding = null)
{
AssetDatabase lfd = new LooseFileDatabase(Path.Combine(AppContext.BaseDirectory, "Assets"));
VertexBuffer vb = _rc.ResourceFactory.CreateVertexBuffer(vertices.Length * VertexPositionNormalTexture.SizeInBytes, false);
vb.SetVertexData(
vertices,
new VertexDescriptor(VertexPositionNormalTexture.SizeInBytes, VertexPositionNormalTexture.ElementCount, 0, IntPtr.Zero));
IndexBuffer ib = _rc.ResourceFactory.CreateIndexBuffer(indices.Length * sizeof(int), false);
ib.SetIndices(indices, sizeof(int), 0);
MaterialAsset shadowmapAsset = lfd.LoadAsset <MaterialAsset>("MaterialAsset/ShadowCaster_ShadowMap.json");
MaterialAsset surfaceMaterial = lfd.LoadAsset <MaterialAsset>("MaterialAsset/ModelPreview.json");
Material shadowmapMaterial = shadowmapAsset.Create(lfd, _rc, _sceneProviders);
Material regularMaterial = surfaceMaterial.Create(lfd, _rc, _sceneProviders);
return(new PreviewModel(
vb,
ib,
indices.Length,
regularMaterial,
shadowmapMaterial,
new DynamicDataProvider <Matrix4x4>(Matrix4x4.Identity),
textureBinding));
}