def _render(self, rect):
gl.enable(gl.SCISSOR_TEST)
gl.enable(gl.CULL_FACE)
if (not self._render_to_texture and self._depth_n_stencil) or \
(self._render_to_texture and self._fb_depth_n_stencil):
gl.enable(gl.DEPTH_TEST)
gl.enable(gl.DEPTH_STENCIL)
gl.viewport(rect.x, rect.y, rect.width, rect.height)
gl.scissor(rect.x, rect.y, rect.width, rect.height)
for com in self._queue:
com[0](*com[1:])
self._queue = []
gl.disable(gl.SCISSOR_TEST)
gl.disable(gl.CULL_FACE)
gl.disable(gl.DEPTH_TEST)
gl.useProgram(0)
gl.bindBuffer(gl.ARRAY_BUFFER, 0)
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, 0)
gl.bindFramebuffer(gl.FRAMEBUFFER, 0)
gl.viewport(0.0, 0.0, self.stage.stageWidth, self.stage.stageHeight)
def setVertexBufferAt(self, locname, vbuffer, offset=0,
format=VertexBuffer3DFormat.FLOAT_1):
loc = gl.getAttribLocation(self._current_prog.gl_program, locname)
gl.bindBuffer(gl.ARRAY_BUFFER, vbuffer.gl_buffer)
tp = gl.FLOAT
numbytes = 4
dimension = 4
try:
dimension = {
VertexBuffer3DFormat.BYTES_4: 4,
VertexBuffer3DFormat.FLOAT_1: 1,
VertexBuffer3DFormat.FLOAT_2: 2,
VertexBuffer3DFormat.FLOAT_3: 3,
VertexBuffer3DFormat.FLOAT_4: 4,
}[format]
except KeyError:
raise ValueError('Buffer format "%s" is not supported' % \
str(format))
self._do(gl.bindBuffer, gl.ARRAY_BUFFER, vbuffer.gl_buffer)
self._do(gl.enableVertexAttribArray, loc)
self._do(gl.vertexAttribPointer, loc, dimension, tp, False,
vbuffer.data32_per_vertex * numbytes, offset * numbytes)
def upload(self, data):
ndata = struct.pack('%sH' % len(data), *data)
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, self.gl_buffer)
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, ndata, gl.STATIC_DRAW)
self.num_indeces = len(data)
def upload(self, data):
gl.bindBuffer(gl.ARRAY_BUFFER, self.gl_buffer)
gl.bufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW)