Python GL.glDepthMask方法代码示例

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def drawFaceVertices(self, buf):
        if 0 == len(buf):
            return
        stride = elementByteLength

        GL.glVertexPointer(3, GL.GL_FLOAT, stride, (buf.ravel()))
        GL.glTexCoordPointer(2, GL.GL_FLOAT, stride, (buf.ravel()[3:]))
        GL.glColorPointer(4, GL.GL_UNSIGNED_BYTE, stride, (buf.view(dtype=numpy.uint8).ravel()[20:]))

        GL.glDepthMask(False)

        GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE)

        GL.glLineWidth(2.0)
        GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)

        GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_FILL)

        GL.glPolygonOffset(DepthOffset.TerrainWire, DepthOffset.TerrainWire)
        with gl.glEnable(GL.GL_POLYGON_OFFSET_FILL, GL.GL_DEPTH_TEST):
            GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)
        GL.glDepthMask(True) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def _drawCeiling():
        lines = []
        minz = minx = -256
        maxz = maxx = 256
        for x in range(minx, maxx + 1, 16):
            lines.append((x, 0, minz))
            lines.append((x, 0, maxz))
        for z in range(minz, maxz + 1, 16):
            lines.append((minx, 0, z))
            lines.append((maxx, 0, z))

        GL.glColor(0.3, 0.7, 0.9)
        GL.glVertexPointer(3, GL.GL_FLOAT, 0, numpy.array(lines, dtype='float32'))

        GL.glEnable(GL.GL_DEPTH_TEST)
        GL.glDepthMask(False)
        GL.glDrawArrays(GL.GL_LINES, 0, len(lines))
        GL.glDisable(GL.GL_DEPTH_TEST)
        GL.glDepthMask(True) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def drawFaceVertices(self, buf):
        if not len(buf):
            return
        stride = elementByteLength

        GL.glVertexPointer(3, GL.GL_FLOAT, stride, (buf.ravel()))
        GL.glTexCoordPointer(2, GL.GL_FLOAT, stride, (buf.ravel()[3:]))
        GL.glColorPointer(4, GL.GL_UNSIGNED_BYTE, stride, (buf.view(dtype=numpy.uint8).ravel()[20:]))

        GL.glDepthMask(False)

        GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE)

        GL.glLineWidth(2.0)
        GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)

        GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_FILL)

        GL.glPolygonOffset(DepthOffset.TerrainWire, DepthOffset.TerrainWire)
        with gl.glEnable(GL.GL_POLYGON_OFFSET_FILL, GL.GL_DEPTH_TEST):
            GL.glDrawArrays(GL.GL_QUADS, 0, len(buf) * 4)
        GL.glDepthMask(True) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def _drawCeiling():
        lines = []
        minz = minx = -256
        maxz = maxx = 256
        append = lines.append
        for x in xrange(minx, maxx + 1, 16):
            append((x, 0, minz))
            append((x, 0, maxz))
        for z in xrange(minz, maxz + 1, 16):
            append((minx, 0, z))
            append((maxx, 0, z))

        GL.glColor(0.3, 0.7, 0.9)
        GL.glVertexPointer(3, GL.GL_FLOAT, 0, numpy.array(lines, dtype='float32'))

        GL.glEnable(GL.GL_DEPTH_TEST)
        GL.glDepthMask(False)
        GL.glDrawArrays(GL.GL_LINES, 0, len(lines))
        GL.glDisable(GL.GL_DEPTH_TEST)
        GL.glDepthMask(True) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def drawConstructionCube(self, box, color, texture=None):
        if texture is None:
            texture = self.sixteenBlockTex
        # textured cube faces

        GL.glEnable(GL.GL_BLEND)
        GL.glEnable(GL.GL_DEPTH_TEST)
        GL.glDepthMask(False)

        # edges within terrain
        GL.glDepthFunc(GL.GL_GREATER)
        try:
            GL.glColor(color[0], color[1], color[2], max(color[3], 0.35))
        except IndexError:
            raise
        GL.glLineWidth(1.0)
        mceutils.drawCube(box, cubeType=GL.GL_LINE_STRIP)

        # edges on or outside terrain
        GL.glDepthFunc(GL.GL_LEQUAL)
        GL.glColor(color[0], color[1], color[2], max(color[3] * 2, 0.75))
        GL.glLineWidth(2.0)
        mceutils.drawCube(box, cubeType=GL.GL_LINE_STRIP)

        GL.glDepthFunc(GL.GL_LESS)
        GL.glColor(color[0], color[1], color[2], color[3])
        GL.glDepthFunc(GL.GL_LEQUAL)
        mceutils.drawCube(box, texture=texture, selectionBox=True)
        GL.glDepthMask(True)

        GL.glDisable(GL.GL_BLEND)
        GL.glDisable(GL.GL_DEPTH_TEST) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def _drawFloorQuad(self):
        GL.glDepthMask(True)
        GL.glPolygonOffset(DepthOffset.ChunkMarkers + 2, DepthOffset.ChunkMarkers + 2)
        GL.glVertexPointer(3, GL.GL_FLOAT, 0, self.floorQuad)
        GL.glColor(*self.floorColor)
        with gl.glEnable(GL.GL_BLEND, GL.GL_DEPTH_TEST, GL.GL_POLYGON_OFFSET_FILL):
            GL.glDrawArrays(GL.GL_QUADS, 0, 4) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glDepthMask [as 别名]
def paintGL(self, p, opt, widget):
        p.beginNativePainting()
        import OpenGL.GL as gl
        
        ## set clipping viewport
        view = self.getViewBox()
        if view is not None:
            rect = view.mapRectToItem(self, view.boundingRect())
            #gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
            
            #gl.glTranslate(-rect.x(), -rect.y(), 0)
            
            gl.glEnable(gl.GL_STENCIL_TEST)
            gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
            gl.glDepthMask(gl.GL_FALSE)  # disable drawing to depth buffer
            gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)  
            gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)  
            
            ## draw stencil pattern
            gl.glStencilMask(0xFF)
            gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
            gl.glBegin(gl.GL_TRIANGLES)
            gl.glVertex2f(rect.x(), rect.y())
            gl.glVertex2f(rect.x()+rect.width(), rect.y())
            gl.glVertex2f(rect.x(), rect.y()+rect.height())
            gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
            gl.glVertex2f(rect.x()+rect.width(), rect.y())
            gl.glVertex2f(rect.x(), rect.y()+rect.height())
            gl.glEnd()
                       
            gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
            gl.glDepthMask(gl.GL_TRUE)
            gl.glStencilMask(0x00)
            gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
            
        try:
            x, y = self.getData()
            pos = np.empty((len(x), 2))
            pos[:,0] = x
            pos[:,1] = y
            gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
            try:
                gl.glVertexPointerf(pos)
                pen = fn.mkPen(self.opts['pen'])
                color = pen.color()
                gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
                width = pen.width()
                if pen.isCosmetic() and width < 1:
                    width = 1
                gl.glPointSize(width)
                gl.glEnable(gl.GL_LINE_SMOOTH)
                gl.glEnable(gl.GL_BLEND)
                gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
                gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
                gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
            finally:
                gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
        finally:
            p.endNativePainting()