def _test_fbo():
w, h = 120, 130
# Create frame buffer
hframebuf = gl.glCreateFramebuffer()
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, hframebuf)
#Create render buffer (for depth)
hrenderbuf = gl.glCreateRenderbuffer()
gl.glBindRenderbuffer(gl.GL_RENDERBUFFER, hrenderbuf)
gl.glRenderbufferStorage(gl.GL_RENDERBUFFER, gl.GL_DEPTH_COMPONENT16, w, h)
gl.glFramebufferRenderbuffer(gl.GL_FRAMEBUFFER, gl.GL_DEPTH_ATTACHMENT,
gl.GL_RENDERBUFFER, hrenderbuf)
# Create texture (for color)
htex = gl.glCreateTexture()
gl.glBindTexture(gl.GL_TEXTURE_2D, htex)
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB, gl.GL_RGB,
gl.GL_UNSIGNED_BYTE, (h, w))
gl.glFramebufferTexture2D(gl.GL_FRAMEBUFFER, gl.GL_COLOR_ATTACHMENT0,
gl.GL_TEXTURE_2D, htex, 0)
# Check framebuffer status
status = gl.glCheckFramebufferStatus(gl.GL_FRAMEBUFFER)
assert_equal(status, gl.GL_FRAMEBUFFER_COMPLETE)
# Tests renderbuffer params
name = gl.glGetFramebufferAttachmentParameter(
gl.GL_FRAMEBUFFER, gl.GL_DEPTH_ATTACHMENT,
gl.GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)
assert_equal(name, hrenderbuf)
#
width = gl.glGetRenderbufferParameter(gl.GL_RENDERBUFFER,
gl.GL_RENDERBUFFER_WIDTH)
assert_equal(width, w)
# Touch copy tex functions
gl.glBindTexture(gl.GL_TEXTURE_2D, htex)
gl.glCopyTexSubImage2D(gl.GL_TEXTURE_2D, 0, 5, 5, 5, 5, 20, 20)
gl.glCopyTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB, 0, 0, 30, 30, 0)
gl.check_error()
# Clean up
gl.glDeleteTexture(htex)
gl.glDeleteRenderbuffer(hrenderbuf)
gl.glDeleteFramebuffer(hframebuf)
gl.check_error()
def _test_fbo():
w, h = 120, 130
# Create frame buffer
hframebuf = gl.glCreateFramebuffer()
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, hframebuf)
#Create render buffer (for depth)
hrenderbuf = gl.glCreateRenderbuffer()
gl.glBindRenderbuffer(gl.GL_RENDERBUFFER, hrenderbuf)
gl.glRenderbufferStorage(gl.GL_RENDERBUFFER, gl.GL_DEPTH_COMPONENT16, w, h)
gl.glFramebufferRenderbuffer(gl.GL_FRAMEBUFFER, gl.GL_DEPTH_ATTACHMENT,
gl.GL_RENDERBUFFER, hrenderbuf)
# Create texture (for color)
htex = gl.glCreateTexture()
gl.glBindTexture(gl.GL_TEXTURE_2D, htex)
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB, gl.GL_RGB,
gl.GL_UNSIGNED_BYTE, (h, w))
gl.glFramebufferTexture2D(gl.GL_FRAMEBUFFER, gl.GL_COLOR_ATTACHMENT0,
gl.GL_TEXTURE_2D, htex, 0)
# Check framebuffer status
status = gl.glCheckFramebufferStatus(gl.GL_FRAMEBUFFER)
assert_equal(status, gl.GL_FRAMEBUFFER_COMPLETE)
# Tests renderbuffer params
name = gl.glGetFramebufferAttachmentParameter(
gl.GL_FRAMEBUFFER, gl.GL_DEPTH_ATTACHMENT,
gl.GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)
assert_equal(name, hrenderbuf)
#
width = gl.glGetRenderbufferParameter(gl.GL_RENDERBUFFER,
gl.GL_RENDERBUFFER_WIDTH)
assert_equal(width, w)
# Touch copy tex functions
gl.glBindTexture(gl.GL_TEXTURE_2D, htex)
gl.glCopyTexSubImage2D(gl.GL_TEXTURE_2D, 0, 5, 5, 5, 5, 20, 20)
gl.glCopyTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB, 0, 0, 30, 30, 0)
gl.check_error()
# Clean up
gl.glDeleteTexture(htex)
gl.glDeleteRenderbuffer(hrenderbuf)
gl.glDeleteFramebuffer(hframebuf)
gl.check_error()