예제 #1
0
    def __init__(self, width, height, drawFunc):
        tex = GL.glGenTextures(1)
        GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
        GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST)
        GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST)
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA8, width, height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, None)
        self.enabled = False
        self._texID = tex
        if bool(FBO.glGenFramebuffers) and "Intel" not in GL.glGetString(GL.GL_VENDOR):
            buf = FBO.glGenFramebuffers(1)
            depthbuffer = FBO.glGenRenderbuffers(1)

            FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)

            FBO.glBindRenderbuffer(FBO.GL_RENDERBUFFER, depthbuffer)
            FBO.glRenderbufferStorage(FBO.GL_RENDERBUFFER, GL.GL_DEPTH_COMPONENT, width, height)

            FBO.glFramebufferRenderbuffer(FBO.GL_FRAMEBUFFER, FBO.GL_DEPTH_ATTACHMENT, FBO.GL_RENDERBUFFER, depthbuffer)
            FBO.glFramebufferTexture2D(FBO.GL_FRAMEBUFFER, FBO.GL_COLOR_ATTACHMENT0, GL.GL_TEXTURE_2D, tex, 0)

            status = FBO.glCheckFramebufferStatus(FBO.GL_FRAMEBUFFER)
            if status != FBO.GL_FRAMEBUFFER_COMPLETE:
                print "glCheckFramebufferStatus", status
                self.enabled = False
                return

            FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)

            with gl.glPushAttrib(GL.GL_VIEWPORT_BIT):
                GL.glViewport(0, 0, width, height)
                drawFunc()

            FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, 0)
            FBO.glDeleteFramebuffers(1, [buf])
            FBO.glDeleteRenderbuffers(1, [depthbuffer])
            self.enabled = True
        else:
            GL.glReadBuffer(GL.GL_BACK)
            if bool(window_pos.glWindowPos2dARB):
                pixels = GL.glReadPixels(0, 0, width, height, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE)

            GL.glPushAttrib(GL.GL_VIEWPORT_BIT | GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_TEST | GL.GL_STENCIL_BUFFER_BIT)
            GL.glDisable(GL.GL_STENCIL_TEST)

            GL.glViewport(0, 0, width, height)
            GL.glScissor(0, 0, width, height)
            with gl.glEnable(GL.GL_SCISSOR_TEST):
                drawFunc()

            GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
            GL.glReadBuffer(GL.GL_BACK)
            GL.glCopyTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, 0, 0, 0, width, height)

            if bool(window_pos.glWindowPos2dARB):
                window_pos.glWindowPos2dARB(0,0)
                GL.glDrawPixels(width, height, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, pixels)

            GL.glPopAttrib()
예제 #2
0
 def add_depth_buffer(self):
     # Create render buffer for depth
     id = glfbo.glGenRenderbuffers(1)
     glfbo.glBindRenderbuffer(glfbo.GL_RENDERBUFFER, id)
     glfbo.glRenderbufferStorage(glfbo.GL_RENDERBUFFER, gl.GL_DEPTH_COMPONENT24, self._width, self._height)
     # Attach render buffer to this FBO
     glfbo.glFramebufferRenderbuffer(glfbo.GL_FRAMEBUFFER, 
             glfbo.GL_DEPTH_ATTACHMENT_EXT, glfbo.GL_RENDERBUFFER, id)
     self._depthbuffer = id
예제 #3
0
파일: glutils.py 프로젝트: wcpe/mcedit2
    def __init__(self, width, height, drawFunc):
        tex = GL.glGenTextures(1)
        GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
        GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST)
        GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST)
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA8, width, height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, None)
        self.enabled = False
        self._texID = tex
        if bool(FBO.glGenFramebuffers) and "Intel" not in GL.glGetString(GL.GL_VENDOR):
            buf = FBO.glGenFramebuffers(1)
            depthbuffer = FBO.glGenRenderbuffers(1)

            FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)

            FBO.glBindRenderbuffer(FBO.GL_RENDERBUFFER, depthbuffer)
            FBO.glRenderbufferStorage(FBO.GL_RENDERBUFFER, GL.GL_DEPTH_COMPONENT, width, height)

            FBO.glFramebufferRenderbuffer(FBO.GL_FRAMEBUFFER, FBO.GL_DEPTH_ATTACHMENT, FBO.GL_RENDERBUFFER, depthbuffer)
            FBO.glFramebufferTexture2D(FBO.GL_FRAMEBUFFER, FBO.GL_COLOR_ATTACHMENT0, GL.GL_TEXTURE_2D, tex, 0)

            status = FBO.glCheckFramebufferStatus(FBO.GL_FRAMEBUFFER)
            if status != FBO.GL_FRAMEBUFFER_COMPLETE:
                print ("glCheckFramebufferStatus: " + str(status))
                self.enabled = False
                return

            FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)

            with gl.glPushAttrib(GL.GL_VIEWPORT_BIT):
                GL.glViewport(0, 0, width, height)
                drawFunc()

            FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, 0)
            FBO.glDeleteFramebuffers(1, [buf])
            FBO.glDeleteRenderbuffers(1, [depthbuffer])
            self.enabled = True
        else:
            GL.glReadBuffer(GL.GL_BACK)

            GL.glPushAttrib(GL.GL_VIEWPORT_BIT | GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_TEST | GL.GL_STENCIL_BUFFER_BIT)
            GL.glDisable(GL.GL_STENCIL_TEST)

            GL.glViewport(0, 0, width, height)
            GL.glScissor(0, 0, width, height)
            with gl.glEnable(GL.GL_SCISSOR_TEST):
                drawFunc()

            GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
            GL.glReadBuffer(GL.GL_BACK)
            GL.glCopyTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, 0, 0, 0, width, height)

            GL.glPopAttrib()