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 GraphicsSystem(OpenTKWindow window, float renderQuality = 1f, GraphicsBackEndPreference backEndPreference = GraphicsBackEndPreference.None)
{
if (window == null)
{
throw new ArgumentNullException(nameof(window));
}
bool preferOpenGL = backEndPreference == GraphicsBackEndPreference.OpenGL || !RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
_window = window;
Context = CreatePlatformDefaultContext(window, preferOpenGL);
Context.ResourceFactory.AddShaderLoader(new EmbeddedResourceShaderLoader(typeof(GraphicsSystem).GetTypeInfo().Assembly));
MaterialCache = new MaterialCache(this);
BufferCache = new BufferCache(this);
ShadowMapStage = new ShadowMapStage(Context);
_upscaleStage = new UpscaleStage(Context, "Upscale", null, null);
_standardStage = new StandardPipelineStage(Context, "Standard");
_alphaBlendStage = new StandardPipelineStage(Context, "AlphaBlend");
_alphaBlendStage.Comparer = new FarToNearIndexComparer();
_overlayStage = new StandardPipelineStage(Context, "Overlay");
_pipelineStages = new PipelineStage[]
{
ShadowMapStage,
_standardStage,
_alphaBlendStage,
_upscaleStage,
_overlayStage,
};
_renderer = new Renderer(Context, _pipelineStages);
SetPreupscaleQuality(renderQuality);
// Placeholder providers so that materials can bind to them.
Context.RegisterGlobalDataProvider("ViewMatrix", s_identityProvider);
Context.RegisterGlobalDataProvider("ProjectionMatrix", s_identityProvider);
Context.RegisterGlobalDataProvider("CameraInfo", s_noCameraProvider);
Context.RegisterGlobalDataProvider("LightBuffer", s_noLightProvider);
Context.RegisterGlobalDataProvider("PointLights", _pointLightsProvider);
window.Resized += OnWindowResized;
_freeShapeRenderer = new ManualWireframeRenderer(Context, RgbaFloat.Pink);
_freeShapeRenderer.Topology = PrimitiveTopology.LineList;
AddFreeRenderItem(_freeShapeRenderer);
_mainThreadID = Environment.CurrentManagedThreadId;
_taskScheduler = new GraphicsSystemTaskScheduler(_mainThreadID);
_rayCastFilterFunc = RayCastFilter;
}
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;
}
