public override void BeginDrawControl(Rectangle unflippedControlRect, int windowSizeY)
{
if (fbo > 0)
{
GLES11Ext.GlBindFramebufferOES(GLES11Ext.GlFramebufferOes, fbo);
}
base.BeginDrawControl(unflippedControlRect, windowSizeY);
}
public override void EndDrawControl()
{
base.EndDrawControl();
if (fbo > 0)
{
GLES11Ext.GlBindFramebufferOES(GLES11Ext.GlFramebufferOes, 0);
}
}
public override void Dispose()
{
if (texture != 0)
{
GLES11.GlDeleteTextures(1, new[] { texture }, 0);
}
if (fbo != 0)
{
GLES11Ext.GlDeleteFramebuffersOES(1, new[] { fbo }, 0);
}
base.Dispose();
}
private GLOffscreenGraphics(int imageSizeX, int imageSizeY, bool allowReadback) : base(1.0f, 1.0f)
{
resX = imageSizeX;
resY = imageSizeY;
if (!allowReadback)
{
texture = CreateEmptyTexture(imageSizeX, imageSizeY, false);
var fbos = new int[1];
GLES11Ext.GlGenFramebuffersOES(1, fbos, 0);
fbo = fbos[0];
GLES11Ext.GlBindFramebufferOES(GLES11Ext.GlFramebufferOes, fbo);
GLES11Ext.GlFramebufferTexture2DOES(GLES11Ext.GlFramebufferOes, GLES11Ext.GlColorAttachment0Oes, GLES11.GlTexture2d, texture, 0);
GLES11Ext.GlBindFramebufferOES(GLES11Ext.GlFramebufferOes, 0);
}
}
