/**
* Resets this FBO into its initial state, releasing all resources that were
* allocated during a call to init.
*/
public void Reset()
{
int[] handle = { _frameBufferHandle };
GLES20.GlDeleteFramebuffers(1, handle, 0);
GLES20.GlDeleteTextures(_textureHandles.Length, _textureHandles, 0);
_frameBufferHandle = -1;
_textureHandles = new int[0];
_width = _height = 0;
}
public void resize(int width, int height)
{
if (FBO != 0)
{
int[] args = { RBOC, RBOD, FBO };
GLES20.GlDeleteTextures(1, args, 0);
GLES20.GlDeleteRenderbuffers(1, args, 1);
GLES20.GlDeleteFramebuffers(1, args, 2);
create(width, height);
}
}
private int setupRenderTextureAndRenderbuffer(int width, int height)
{
if (mTextureId != -1)
{
GLES20.GlDeleteTextures(1, new int[] { mTextureId }, 0);
}
if (mRenderbufferId != -1)
{
GLES20.GlDeleteRenderbuffers(1, new int[] { mRenderbufferId }, 0);
}
if (mFramebufferId != -1)
{
GLES20.GlDeleteFramebuffers(1, new int[] { mFramebufferId }, 0);
}
mTextureId = createTexture(width, height);
checkGlError("setupRenderTextureAndRenderbuffer: create texture");
int[] renderbufferIds = new int[1];
GLES20.GlGenRenderbuffers(1, renderbufferIds, 0);
GLES20.GlBindRenderbuffer(36161, renderbufferIds[0]);
GLES20.GlRenderbufferStorage(36161, 33189, width, height);
mRenderbufferId = renderbufferIds[0];
checkGlError("setupRenderTextureAndRenderbuffer: create renderbuffer");
int[] framebufferIds = new int[1];
GLES20.GlGenFramebuffers(1, framebufferIds, 0);
GLES20.GlBindFramebuffer(36160, framebufferIds[0]);
mFramebufferId = framebufferIds[0];
GLES20.GlFramebufferTexture2D(36160, 36064, 3553, mTextureId, 0);
GLES20.GlFramebufferRenderbuffer(36160, 36096, 36161, renderbufferIds[0]);
int status = GLES20.GlCheckFramebufferStatus(36160);
if (status != 36053)
{
throw new Java.Lang.RuntimeException("Framebuffer is not complete: " + Java.Lang.Integer.ToHexString(status));
}
GLES20.GlBindFramebuffer(36160, 0);
return(framebufferIds[0]);
}
public virtual void delete()
{
int[] buffers = { id };
GLES20.GlDeleteFramebuffers(1, buffers, 0);
}