def _test_object_creation_and_deletion(): # Stuff that is originally glGenX # Note that if we test glIsTexture(x), we cannot assume x to be a # nonexisting texture; we might have created a texture in another # test and failed to clean it up. # Create/delete texture #assert_equal(gl.glIsTexture(12), False) handle = gl.glCreateTexture() gl.glBindTexture(gl.GL_TEXTURE_2D, handle) assert_equal(gl.glIsTexture(handle), True) gl.glDeleteTexture(handle) assert_equal(gl.glIsTexture(handle), False) # Create/delete buffer #assert_equal(gl.glIsBuffer(12), False) handle = gl.glCreateBuffer() gl.glBindBuffer(gl.GL_ARRAY_BUFFER, handle) assert_equal(gl.glIsBuffer(handle), True) gl.glDeleteBuffer(handle) assert_equal(gl.glIsBuffer(handle), False) # Create/delete framebuffer #assert_equal(gl.glIsFramebuffer(12), False) handle = gl.glCreateFramebuffer() gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, handle) assert_equal(gl.glIsFramebuffer(handle), True) gl.glDeleteFramebuffer(handle) assert_equal(gl.glIsFramebuffer(handle), False) # Create/delete renderbuffer #assert_equal(gl.glIsRenderbuffer(12), False) handle = gl.glCreateRenderbuffer() gl.glBindRenderbuffer(gl.GL_RENDERBUFFER, handle) assert_equal(gl.glIsRenderbuffer(handle), True) gl.glDeleteRenderbuffer(handle) assert_equal(gl.glIsRenderbuffer(handle), False) # Stuff that is originally called glCreate # Create/delete program #assert_equal(gl.glIsProgram(12), False) handle = gl.glCreateProgram() assert_equal(gl.glIsProgram(handle), True) gl.glDeleteProgram(handle) assert_equal(gl.glIsProgram(handle), False) # Create/delete shader #assert_equal(gl.glIsShader(12), False) handle = gl.glCreateShader(gl.GL_VERTEX_SHADER) assert_equal(gl.glIsShader(handle), True) gl.glDeleteShader(handle) assert_equal(gl.glIsShader(handle), False) 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()