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调整gl绘制

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小红帽 2023-11-28 12:48:19 +08:00
parent 6d5acbdfac
commit 6593f462e4
1 changed files with 25 additions and 19 deletions
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44
CPF.Skia/GlView.cs
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@ -112,28 +112,34 @@ namespace CPF.Skia
gl.BindTexture(GlConsts.GL_TEXTURE_2D, oldTexture);
gl.BindFramebuffer(GlConsts.GL_FRAMEBUFFER, oldfb);
// using (var backendTexture = new GRBackendRenderTarget(size.Width, size.Height, samples, stencil, framebufferInfo))
using (var backendTexture = new GRBackendTexture((int)size.Width, (int)size.Height, false, new GRGlTextureInfo { Format = GlConsts.GL_RGBA8, Id = (uint)texture, Target = GlConsts.GL_TEXTURE_2D }))
{
// using (var surface = SKSurface.Create((GRContext)skia.GlContext.GRContext, backendTexture, GRSurfaceOrigin.TopLeft, SKColorType.Rgba8888))
using (var surface = SKSurface.Create((GRContext)skia.GlContext.GRContext, backendTexture, GRSurfaceOrigin.TopLeft, SKColorType.Rgba8888))
{
//if (surface == null)
// return;
//byte[] data = new byte[size.Width * size.Height * 4];
//gl.GetTexImage(GlConsts.GL_TEXTURE_2D, 0, GlConsts.GL_RGBA, GlConsts.GL_UNSIGNED_BYTE, data);
//using (var backendTexture = new GRBackendTexture((int)size.Width, (int)size.Height, false, new GRGlTextureInfo { Format = GlConsts.GL_RGBA8, Id = (uint)texture, Target = GlConsts.GL_TEXTURE_2D }))
//{
// // using (var surface = SKSurface.Create((GRContext)skia.GlContext.GRContext, backendTexture, GRSurfaceOrigin.TopLeft, SKColorType.Rgba8888))
// using (var surface = SKSurface.Create((GRContext)skia.GlContext.GRContext, backendTexture, GRSurfaceOrigin.TopLeft, SKColorType.Rgba8888))
// {
// //if (surface == null)
// // return;
// //byte[] data = new byte[size.Width * size.Height * 4];
// //gl.GetTexImage(GlConsts.GL_TEXTURE_2D, 0, GlConsts.GL_RGBA, GlConsts.GL_UNSIGNED_BYTE, data);
//System.Diagnostics.Debug.WriteLine($"{oldfb},{oldRenderbuffer},{oldTexture}");
// //System.Diagnostics.Debug.WriteLine($"{oldfb},{oldRenderbuffer},{oldTexture}");
//恢复状态
gl.MatrixMode(GlConsts.GL_MODELVIEW);
gl.PopMatrix();
gl.MatrixMode(GlConsts.GL_PROJECTION);
gl.PopMatrix();
gl.PopAttrib();
//恢复状态
gl.MatrixMode(GlConsts.GL_MODELVIEW);
gl.PopMatrix();
gl.MatrixMode(GlConsts.GL_PROJECTION);
gl.PopMatrix();
gl.PopAttrib();
skia.SKCanvas.DrawSurface(surface, 0, 0);
}
}
// skia.SKCanvas.DrawSurface(surface, 0, 0);
// }
//}
GRBackendTexture backendTexture = new GRBackendTexture((int)size.Width, (int)size.Height, false, new GRGlTextureInfo(0x0DE1, (uint)texture, SKColorType.Rgba8888.ToGlSizedFormat()));
var sKImage = SKImage.FromTexture((GRContext)skia.GlContext.GRContext, backendTexture, GRSurfaceOrigin.BottomLeft, SKColorType.Rgba8888);
skia.SKCanvas.DrawImage(sKImage, 0, 0);
//unsafe
//{
// fixed (byte* p = data)