public CubismAvaloniaTexture(GlInterfaceEx gl, Bitmap _bitmap)
{
this.gl = gl;
var InternalFormat = gl.ContextInfo.Version.Type == GlProfileType.OpenGLES ? GL_RGBA : GL_RGBA8;
var arr = new int[2];
gl.GenTextures(1, arr);
TextureId = arr[0];
var impl = _bitmap.PlatformImpl.Item;
var field = impl.GetType().GetField("_image", BindingFlags.NonPublic | BindingFlags.Instance);
int w = _bitmap.PixelSize.Width;
int h = _bitmap.PixelSize.Height;
var img = (SKImage)field.GetValue(impl);
var info = new SKImageInfo(w, h, SKColorType.Bgra8888);
byte[] buf = new byte[w * h * 4];
fixed(byte *p = buf)
{
img.ReadPixels(info, (IntPtr)p);
gl.BindTexture(GL_TEXTURE_2D, TextureId);
gl.PixelStorei(GL_UNPACK_ALIGNMENT, 4);
gl.PixelStorei(GL_UNPACK_ROW_LENGTH, 0);
// TODO restore pixel store mode
gl.TexImage2D(GL_TEXTURE_2D, 0, InternalFormat, w, h, 0, GL_BGRA, GL_UNSIGNED_BYTE, (IntPtr)p);
SetupParameters(GL_LINEAR, GL_CLAMP_TO_EDGE);
gl.BindTexture(GL_TEXTURE_2D, 0);
}
}
public CubismAvaloniaRenderer(GlInterfaceEx gl)
{
this.gl = gl;
State = new CubismAvaloniaState(gl);
ShaderManager = new CubismAvaloniaShaderManager(gl);
// create some buffer objects
m_maskVertexBuf = gl.GenBuffer();
m_maskUvBuf = gl.GenBuffer();
m_meshVertexBuf = gl.GenBuffer();
m_meshUvBuf = gl.GenBuffer();
}
public CubismAvaloniaClippingMask(GlInterfaceEx gl, int width, int height)
{
this.gl = gl;
Texture = new CubismAvaloniaTexture(gl, width, height);
int[] fbos = new int[1];
this.gl.GenFramebuffers(1, fbos);
FrameBufferId = fbos[0];
this.gl.BindFramebuffer(GL_FRAMEBUFFER, FrameBufferId);
this.gl.FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, TextureId, 0);
this.gl.BindFramebuffer(GL_FRAMEBUFFER, 0);
}
public CubismAvaloniaTexture(GlInterfaceEx gl, int width, int height)
{
this.gl = gl;
var InternalFormat = gl.ContextInfo.Version.Type == GlProfileType.OpenGLES ? GL_RGBA : GL_RGBA8;
Width = width;
Height = height;
var arr = new int[2];
gl.GenTextures(1, arr);
TextureId = arr[0];
gl.BindTexture(GL_TEXTURE_2D, TextureId);
gl.TexImage2D(GL_TEXTURE_2D, 0, InternalFormat, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, IntPtr.Zero);
SetupParameters(GL_LINEAR, GL_CLAMP_TO_EDGE);
gl.BindTexture(GL_TEXTURE_2D, 0);
}
public CubismAvaloniaState(GlInterfaceEx gl)
{
this.gl = gl;
}
