public SKPaintGLSurfaceEventArgs(SKSurface surface, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType)
{
Surface = surface;
BackendRenderTarget = renderTarget;
ColorType = colorType;
Origin = origin;
}
public BlazorSkiaSurface(GRContext context, SKHtmlCanvasInterop.GLInfo glInfo, SKColorType colorType, PixelSize size, double scaling, GRSurfaceOrigin origin)
{
Context = context;
GlInfo = glInfo;
ColorType = colorType;
Size = size;
Scaling = scaling;
Origin = origin;
}
public SKPaintGLSurfaceEventArgs(SKSurface surface, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKImageInfo info, SKImageInfo rawInfo)
{
Surface = surface;
BackendRenderTarget = renderTarget;
ColorType = info.ColorType;
Origin = origin;
Info = info;
RawInfo = rawInfo;
}
public SKPaintGLSurfaceEventArgs(SKSurface surface, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType)
{
Surface = surface;
BackendRenderTarget = renderTarget;
ColorType = colorType;
Origin = origin;
Info = new SKImageInfo(renderTarget.Width, renderTarget.Height, ColorType);
RawInfo = Info;
}
public SKPaintGLSurfaceEventArgs(SKSurface surface, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, GRGlFramebufferInfo glInfo)
{
Surface = surface;
BackendRenderTarget = renderTarget;
ColorType = colorType;
Origin = origin;
rtDesc = CreateDesc(glInfo);
Info = new SKImageInfo(renderTarget.Width, renderTarget.Height, colorType);
RawInfo = Info;
}
public SKPaintGLSurfaceEventArgs(SKSurface surface, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, GRGlFramebufferInfo glInfo)
{
Surface = surface;
BackendRenderTarget = renderTarget;
ColorType = colorType;
Origin = origin;
#pragma warning disable CS0612 // Type or member is obsolete
rtDesc = CreateDesc(glInfo);
#pragma warning restore CS0612 // Type or member is obsolete
}
public static SKSurface Create(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
return(GetObject <SKSurface> (SkiaApi.sk_surface_new_backend_texture(context.Handle, texture.Handle, origin, sampleCount, colorType, colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero)));
}
void IMTKViewDelegate.Draw(MTKView view)
{
if (designMode)
{
return;
}
if (backendContext.Device == null || backendContext.Queue == null || CurrentDrawable?.Texture == null)
{
return;
}
CanvasSize = DrawableSize.ToSKSize();
if (CanvasSize.Width <= 0 || CanvasSize.Height <= 0)
{
return;
}
// create the contexts if not done already
context ??= GRContext.CreateMetal(backendContext);
const SKColorType colorType = SKColorType.Bgra8888;
const GRSurfaceOrigin surfaceOrigin = GRSurfaceOrigin.TopLeft;
// create the render target
var metalInfo = new GRMtlTextureInfo(CurrentDrawable.Texture);
using var renderTarget = new GRBackendRenderTarget((int)CanvasSize.Width, (int)CanvasSize.Height, (int)SampleCount, metalInfo);
// create the surface
using var surface = SKSurface.Create(context, renderTarget, surfaceOrigin, colorType);
using var canvas = surface.Canvas;
// start drawing
var e = new SKPaintMetalSurfaceEventArgs(surface, renderTarget, surfaceOrigin, colorType);
OnPaintSurface(e);
// flush the SkiaSharp contents
canvas.Flush();
surface.Flush();
context.Flush();
// present
using var commandBuffer = backendContext.Queue.CommandBuffer();
commandBuffer.PresentDrawable(CurrentDrawable);
commandBuffer.Commit();
}
public static SKSurface CreateAsRenderTarget(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType) => CreateAsRenderTarget(context, texture, origin, 0, colorType, null, null);
public static SKImage FromTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc, object releaseContext)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
var cs = colorspace == null ? IntPtr.Zero : colorspace.Handle;
if (releaseProc == null)
{
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs, IntPtr.Zero, IntPtr.Zero)));
}
else
{
var ctx = new NativeDelegateContext(releaseContext, releaseProc);
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs, textureReleaseDelegate, ctx.NativeContext)));
}
}
public static SKImage FromAdoptedTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha)
{
return(FromAdoptedTexture(context, texture, origin, colorType, alpha, null));
}
public static SKImage FromTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc)
{
return(FromTexture(context, texture, origin, colorType, alpha, colorspace, releaseProc, null));
}
public static SKSurface Create(GRContext context, CoreAnimation.CAMetalLayer layer, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, out CoreAnimation.ICAMetalDrawable drawable) => Create(context, layer, origin, sampleCount, colorType, colorspace, null, out drawable);
public static SKSurface Create(GRContext context, bool budgeted, SKImageInfo info, int sampleCount, GRSurfaceOrigin origin) => Create(context, budgeted, info, sampleCount, GRSurfaceOrigin.BottomLeft, null, false);
public static SKSurface CreateAsRenderTarget(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace) => CreateAsRenderTarget(context, texture, origin, sampleCount, colorType, colorspace, null);
public static SKSurface Create(GRContext context, CoreAnimation.CAMetalLayer layer, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props, out CoreAnimation.ICAMetalDrawable drawable)
{
void *drawablePtr;
var surface = GetObject(SkiaApi.sk_surface_new_metal_layer(context.Handle, (void *)layer.Handle, origin, sampleCount, colorType.ToNative(), colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero, &drawablePtr));
drawable = ObjCRuntime.Runtime.GetINativeObject <CoreAnimation.ICAMetalDrawable> ((IntPtr)drawablePtr, true);
return(surface);
}
public SKPaintGLSurfaceEventArgs(SKSurface surface, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKImageInfo info)
: this(surface, renderTarget, origin, info, info)
{
}
public FboSkiaSurface(GRContext grContext, IGlContext glContext, PixelSize pixelSize, GRSurfaceOrigin surfaceOrigin)
{
_grContext = grContext;
_glContext = glContext;
_pixelSize = pixelSize;
var InternalFormat = glContext.Version.Type == GlProfileType.OpenGLES ? GL_RGBA : GL_RGBA8;
var gl = glContext.GlInterface;
// Save old bindings
gl.GetIntegerv(GL_FRAMEBUFFER_BINDING, out var oldFbo);
gl.GetIntegerv(GL_RENDERBUFFER_BINDING, out var oldRenderbuffer);
gl.GetIntegerv(GL_TEXTURE_BINDING_2D, out var oldTexture);
var arr = new int[2];
// Generate FBO
gl.GenFramebuffers(1, arr);
_fbo = arr[0];
gl.BindFramebuffer(GL_FRAMEBUFFER, _fbo);
// Create a texture to render into
gl.GenTextures(1, arr);
_texture = arr[0];
gl.BindTexture(GL_TEXTURE_2D, _texture);
gl.TexImage2D(GL_TEXTURE_2D, 0,
InternalFormat, pixelSize.Width, pixelSize.Height,
0, GL_RGBA, GL_UNSIGNED_BYTE, IntPtr.Zero);
gl.TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl.TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl.FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, _texture, 0);
var success = false;
foreach (var useStencil8 in TrueFalse)
{
gl.GenRenderbuffers(1, arr);
_depthStencil = arr[0];
gl.BindRenderbuffer(GL_RENDERBUFFER, _depthStencil);
if (useStencil8)
{
gl.RenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8, pixelSize.Width, pixelSize.Height);
gl.FramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, _depthStencil);
}
else
{
gl.RenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, pixelSize.Width, pixelSize.Height);
gl.FramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, _depthStencil);
gl.FramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, _depthStencil);
}
var status = gl.CheckFramebufferStatus(GL_FRAMEBUFFER);
if (status == GL_FRAMEBUFFER_COMPLETE)
{
success = true;
break;
}
else
{
gl.BindRenderbuffer(GL_RENDERBUFFER, oldRenderbuffer);
gl.DeleteRenderbuffers(1, arr);
}
}
gl.BindRenderbuffer(GL_RENDERBUFFER, oldRenderbuffer);
gl.BindTexture(GL_TEXTURE_2D, oldTexture);
gl.BindFramebuffer(GL_FRAMEBUFFER, oldFbo);
if (!success)
{
arr[0] = _fbo;
gl.DeleteFramebuffers(1, arr);
arr[0] = _texture;
gl.DeleteTextures(1, arr);
throw new OpenGlException("Unable to create FBO with stencil");
}
var target = new GRBackendRenderTarget(pixelSize.Width, pixelSize.Height, 0, 8,
new GRGlFramebufferInfo((uint)_fbo, SKColorType.Rgba8888.ToGlSizedFormat()));
Surface = SKSurface.Create(_grContext, target,
surfaceOrigin, SKColorType.Rgba8888);
CanBlit = gl.BlitFramebuffer != null;
}
public static SKSurface CreateAsRenderTarget(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKSurfaceProperties props) => CreateAsRenderTarget(context, texture, origin, sampleCount, colorType, null, props);
protected override void PaintSurface(SKSurface skSurface, GRBackendRenderTarget grBackendRenderTarget, GRSurfaceOrigin grSurfaceOrigin,
SKColorType skColorType)
{
// Paint all elements from the canvas on the surface
new SkiaPainter(skSurface).Paint(view.Content);
}
public static SKSurface Create(GRContext context, bool budgeted, SKImageInfo info, int sampleCount, GRSurfaceOrigin origin, SKSurfaceProperties props, bool shouldCreateWithMips)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var cinfo = SKImageInfoNative.FromManaged(ref info);
return(GetObject <SKSurface> (SkiaApi.sk_surface_new_render_target(context.Handle, budgeted, ref cinfo, sampleCount, origin, props?.Handle ?? IntPtr.Zero, shouldCreateWithMips)));
}
public static SKSurface Create(GRContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKColorSpace colorspace) => Create(context, renderTarget, origin, colorType, colorspace, null);
public static SKSurface Create(GRContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKSurfaceProperties props) => Create(context, renderTarget, origin, colorType, null, props);
public static SKSurface Create(GRContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (renderTarget == null)
{
throw new ArgumentNullException(nameof(renderTarget));
}
return(GetObject <SKSurface> (SkiaApi.sk_surface_new_backend_render_target(context.Handle, renderTarget.Handle, origin, colorType, colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero)));
}
public static SKImage FromTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType)
{
return(FromTexture(context, texture, origin, colorType, SKAlphaType.Premul, null, null, null));
}
public static SKSurface Create(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType) => Create(context, texture, origin, sampleCount, colorType, null, null);
public static SKImage FromTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc, object releaseContext)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
var cs = colorspace == null ? IntPtr.Zero : colorspace.Handle;
var del = releaseProc != null && releaseContext != null
? new SKImageTextureReleaseDelegate((_) => releaseProc(releaseContext))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.SKImageTextureReleaseDelegateProxy, out _, out var ctx);
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs, proxy, (void *)ctx)));
}
public static SKSurface Create(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKSurfaceProperties props) => Create(context, texture, origin, 0, colorType, null, props);
public static SKImage FromAdoptedTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
var cs = colorspace == null ? IntPtr.Zero : colorspace.Handle;
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_adopted_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs)));
}
public static SKSurface CreateAsRenderTarget(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
var cs = colorspace == null ? IntPtr.Zero : colorspace.Handle;
return(GetObject <SKSurface> (SkiaApi.sk_surface_new_backend_texture_as_render_target(context.Handle, texture.Handle, origin, sampleCount, colorType, cs, IntPtr.Zero)));
}
