Python GL.GL_LINEAR屬性代碼示例

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def refresh_font_texture(self):
        # save texture state
        last_texture = gl.glGetIntegerv(gl.GL_TEXTURE_BINDING_2D)

        width, height, pixels = self.io.fonts.get_tex_data_as_rgba32()

        if self._font_texture is not None:
            gl.glDeleteTextures([self._font_texture])

        self._font_texture = gl.glGenTextures(1)

        gl.glBindTexture(gl.GL_TEXTURE_2D, self._font_texture)
        gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
        gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
        gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, width, height, 0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, pixels)

        self.io.fonts.texture_id = self._font_texture
        gl.glBindTexture(gl.GL_TEXTURE_2D, last_texture)
        self.io.fonts.clear_tex_data() 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def create_font_array(self):
        # Load the first image to get font size
        img          = QImage(os.path.join(settings.gfx_path, 'font/32.png'))
        imgsize      = (img.width(), img.height())
        self.char_ar = float(imgsize[1]) / imgsize[0]

        # Set-up the texture array
        self.tex_id = gl.glGenTextures(1)
        gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, self.tex_id)
        gl.glTexImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, gl.GL_RGBA8, imgsize[0], imgsize[1], 127 - 30, 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, None)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_BORDER)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_BORDER)
        # We're using the ASCII range 32-126; space, uppercase, lower case, numbers, brackets, punctuation marks
        for i in range(30, 127):
            img = QImage(os.path.join(settings.gfx_path, 'font/%d.png' % i)).convertToFormat(QImage.Format_ARGB32)
            ptr = c_void_p(int(img.constBits()))
            gl.glTexSubImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, 0, 0, i - 30, imgsize[0], imgsize[1], 1, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def create_font_array(self, path):
        # Load the first image to get font size
        img          = QImage(path + '32.png')
        imgsize      = (img.width(), img.height())
        self.char_ar = float(imgsize[1]) / imgsize[0]

        # Set-up the texture array
        self.tex_id = gl.glGenTextures(1)
        gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, self.tex_id)
        gl.glTexImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, gl.GL_RGBA8, imgsize[0], imgsize[1], 127 - 32, 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, None)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_BORDER)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_BORDER)
        # We're using the ASCII range 32-126; space, uppercase, lower case, numbers, brackets, punctuation marks
        for i in range(32, 127):
            img = QImage(path + '%d.png' % i).convertToFormat(QImage.Format_ARGB32)
            ptr = c_void_p(int(img.constBits()))
            gl.glTexSubImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, 0, 0, i - 32, imgsize[0], imgsize[1], 1, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def load_lcd_font():
    files = sorted(glob('mcp_font/*.png'))
    img          = QImage(files[0])
    imgsize      = (img.width(), img.height())
    # Set-up the texture array
    tex_id = gl.glGenTextures(1)
    gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, tex_id)
    gl.glTexImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, gl.GL_RGBA8, imgsize[0], imgsize[1], len(files), 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, None)
    gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
    gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
    gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_BORDER)
    gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_BORDER)

    for i, fname in enumerate(files):
        img = QImage(fname).convertToFormat(QImage.Format_ARGB32)
        ptr = c_void_p(int(img.constBits()))
        gl.glTexSubImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, 0, 0, i, imgsize[0], imgsize[1], 1, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr)

    return tex_id 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def _try_load_texture(self):
        # Surface texture
        try:
            texture_map = openvr.VRRenderModels().loadTexture_Async(self.model.diffuseTextureId)
        except openvr.error_code.RenderModelError_Loading:
            return
        self.texture_map = texture_map
        self.diffuse_texture = GL.glGenTextures(1)
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.diffuse_texture)
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, self.texture_map.unWidth, self.texture_map.unHeight,
                        0, GL.GL_RGBA,
                        GL.GL_UNSIGNED_BYTE, self.texture_map.rubTextureMapData)
        GL.glGenerateMipmap(GL.GL_TEXTURE_2D)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR)
        fLargest = GL.glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT)
        GL.glTexParameterf(GL.GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, fLargest)
        GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
        self.texture_is_loaded = True 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def render_companion_window(self):
        GL.glDisable(GL.GL_DEPTH_TEST)
        GL.glViewport(0, 0, self.companion_width, self.companion_height)
        GL.glBindVertexArray(self.companion_window_vao)
        GL.glUseProgram(self.companion_window_program)
        # render left eye (first half of index array)
        i_size = sizeof(c_uint16)
        count = int(self.companion_window_index_size / 2)
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.left_eye_desc.resolve_texture_id)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
        GL.glDrawElements(GL.GL_TRIANGLES, count, GL.GL_UNSIGNED_SHORT, cast(0 * i_size, c_void_p))
        # render right eye (second half of index array)
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.right_eye_desc.resolve_texture_id)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
        GL.glDrawElements(GL.GL_TRIANGLES, count, GL.GL_UNSIGNED_SHORT, cast(count * i_size, c_void_p))
        GL.glBindVertexArray(0)
        GL.glUseProgram(0) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def set_up_texture_maps(self):
        ts = pkg_resources.resource_stream('samples', 'cube_texture.png')
        image = Image.open(ts).convert('RGBA')
        width, height = image.size
        image_data = numpy.array(list(image.getdata()), numpy.uint8)
        self.i_texture = GL.glGenTextures(1)
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.i_texture)
        GL.glTexImage2D(
            GL.GL_TEXTURE_2D,
            0,
            GL.GL_RGBA,
            width, height,
            0,
            GL.GL_RGBA,
            GL.GL_UNSIGNED_BYTE,
            image_data,
        )
        GL.glGenerateMipmap(GL.GL_TEXTURE_2D)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR)
        f_largest = GL.glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT)
        GL.glTexParameterf(GL.GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, f_largest)
        GL.glBindTexture(GL.GL_TEXTURE_2D, 0) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def _load(self, surface):
        self.free()

        self.width = surface.get_width()
        self.height = surface.get_height()
        self.textureId = 0

        textureId = (gl.GLuint * 1)()

        surface.lock()

        BYTEP = ctypes.POINTER(ctypes.c_ubyte)
        ptr = ctypes.cast(surface._pixels_address, BYTEP)

        gl.glGenTextures(1, textureId)
        gl.glEnable(gl.GL_TEXTURE_2D)
        gl.glActiveTexture(gl.GL_TEXTURE0)

        gl.glPixelStorei(gl.GL_UNPACK_ROW_LENGTH, surface.get_pitch() // surface.get_bytesize())
        gl.glBindTexture(gl.GL_TEXTURE_2D, textureId[0])
        gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE)
        gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE)
        gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
        gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
        gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, self.width, self.height, 0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, ptr)
        gl.glBindTexture(gl.GL_TEXTURE_2D, 0);
        gl.glPixelStorei(gl.GL_UNPACK_ROW_LENGTH, 0)

        surface.unlock()

        self.textureId = textureId[0] 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def load_texture(fname):
    img = QImage(fname)
    ptr = c_void_p(int(img.constBits()))

    tex_id = gl.glGenTextures(1)
    gl.glBindTexture(gl.GL_TEXTURE_2D, tex_id)
    gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA8, img.width(), img.height(), 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr)
    gl.glGenerateMipmap(gl.GL_TEXTURE_2D)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR_MIPMAP_LINEAR)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
    return tex_id 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def render_stereo_targets(self):
        GL.glClearColor(0, 0, 0, 1)
        GL.glEnable(GL.GL_MULTISAMPLE)
        # Left Eye
        GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, self.left_eye_desc.render_framebuffer_id)
        GL.glViewport(0, 0, self.render_width, self.render_height)
        self.render_scene(openvr.Eye_Left)
        GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0)
        GL.glDisable(GL.GL_MULTISAMPLE)
        GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, self.left_eye_desc.render_framebuffer_id)
        GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, self.left_eye_desc.resolve_framebuffer_id)
        GL.glBlitFramebuffer(
            0, 0, self.render_width, self.render_height,
            0, 0, self.render_width, self.render_height,
            GL.GL_COLOR_BUFFER_BIT, GL.GL_LINEAR)
        GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, 0)
        GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, 0)
        # Right Eye
        GL.glEnable(GL.GL_MULTISAMPLE)
        GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, self.right_eye_desc.render_framebuffer_id)
        GL.glViewport(0, 0, self.render_width, self.render_height)
        self.render_scene(openvr.Eye_Right)
        GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0)
        GL.glDisable(GL.GL_MULTISAMPLE)
        GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, self.right_eye_desc.render_framebuffer_id)
        GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, self.right_eye_desc.resolve_framebuffer_id)
        GL.glBlitFramebuffer(
            0, 0, self.render_width, self.render_height,
            0, 0, self.render_width, self.render_height,
            GL.GL_COLOR_BUFFER_BIT, GL.GL_LINEAR)
        GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, 0)
        GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, 0) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def genSixteenBlockTexture():
        has12 = GL.glGetString(GL.GL_VERSION) >= "1.2"
        if has12:
            maxLevel = 2
            mode = GL.GL_LINEAR_MIPMAP_NEAREST
        else:
            maxLevel = 1
            mode = GL.GL_LINEAR

        def makeSixteenBlockTex():
            darkColor = (0x30, 0x30, 0x30, 0xff)
            lightColor = (0x80, 0x80, 0x80, 0xff)
            w, h, = 256, 256

            teximage = numpy.zeros((w, h, 4), dtype='uint8')
            teximage[:] = 0xff
            teximage[:, ::16] = lightColor
            teximage[::16, :] = lightColor
            teximage[:2] = darkColor
            teximage[-1:] = darkColor
            teximage[:, -1:] = darkColor
            teximage[:, :2] = darkColor
            # GL.glTexParameter(GL.GL_TEXTURE_2D,
            #                  GL.GL_TEXTURE_MIN_FILTER,
            #                  GL.GL_NEAREST_MIPMAP_NEAREST),
            GL.glTexParameter(GL.GL_TEXTURE_2D,
                              GL.GL_TEXTURE_MAX_LEVEL,
                              maxLevel - 1)

            for lev in range(maxLevel):
                step = 1 << lev
                if lev:
                    teximage[::16] = 0xff
                    teximage[:, ::16] = 0xff
                    teximage[:2] = darkColor
                    teximage[-1:] = darkColor
                    teximage[:, -1:] = darkColor
                    teximage[:, :2] = darkColor

                GL.glTexImage2D(GL.GL_TEXTURE_2D, lev, GL.GL_RGBA8,
                                w / step, h / step, 0,
                                GL.GL_RGBA, GL.GL_UNSIGNED_BYTE,
                                teximage[::step, ::step].ravel())

        return Texture(makeSixteenBlockTex, mode) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def fillTexture2d(data,tex = None, interp=True):
    """ data.shape == (Ny,Nx)
          file texture with GL_RED
        data.shape == (Ny,Nx,3)
          file texture with GL_RGB

        if tex == None, returns a new created texture
    """

    if tex is None:
        tex = GL.glGenTextures(1)

    GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
    GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT,1)
    GL.glTexParameterf (GL.GL_TEXTURE_2D,
                     GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
    GL.glTexParameterf (GL.GL_TEXTURE_2D,
                     GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR if interp else GL.GL_NEAREST)

    GL.glTexParameterf (GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
    GL.glTexParameterf (GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
    # GL.glTexParameterf (GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP)
    # GL.glTexParameterf (GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP)

    if data.ndim == 2:
        Ny,Nx = data.shape
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB, Nx, Ny,
                     0, GL.GL_RED, GL.GL_FLOAT, data.astype(np.float32))

    elif data.ndim == 3 and data.shape[2]==3:
        Ny,Nx = data.shape[:2]
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB, Nx, Ny,
                         0, GL.GL_RGB, GL.GL_FLOAT, data.astype(np.float32))

    elif data.ndim == 3 and data.shape[2]==4:
        Ny,Nx = data.shape[:2]
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, Nx, Ny,
                         0, GL.GL_RGBA, GL.GL_FLOAT, data.astype(np.float32))

    else:
        raise Exception("data format not supported! \ndata.shape should be either (Ny,Nx) or (Ny,Nx,3)")
    return tex 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def __init__(self, name, vr_model, vr_diffuse_texture):
        self.name = name
        # create and bind a VAO to hold state for this model
        self.vertex_array = GL.glGenVertexArrays(1)
        GL.glBindVertexArray(self.vertex_array)
        # Populate a vertex buffer
        self.vertex_buffer = GL.glGenBuffers(1)
        GL.glBindBuffer(GL.GL_ARRAY_BUFFER, self.vertex_buffer)
        GL.glBufferData(GL.GL_ARRAY_BUFFER,
                        sizeof(openvr.RenderModel_Vertex_t) * vr_model.unVertexCount,
                        vr_model.rVertexData, GL.GL_STATIC_DRAW)
        # Identify the components in the vertex buffer
        GL.glEnableVertexAttribArray(0)
        hv3sz = sizeof(openvr.HmdVector3_t)
        GL.glVertexAttribPointer(0, 3, GL.GL_FLOAT, False, sizeof(openvr.RenderModel_Vertex_t),
                                 cast(0 * hv3sz, c_void_p))
        GL.glEnableVertexAttribArray(1)
        GL.glVertexAttribPointer(1, 3, GL.GL_FLOAT, False, sizeof(openvr.RenderModel_Vertex_t),
                                 cast(1 * hv3sz, c_void_p))
        GL.glEnableVertexAttribArray(2)
        GL.glVertexAttribPointer(2, 2, GL.GL_FLOAT, False, sizeof(openvr.RenderModel_Vertex_t),
                                 cast(2 * hv3sz, c_void_p))
        # Create and populate the index buffer
        self.index_buffer = GL.glGenBuffers(1)
        GL.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, self.index_buffer)
        GL.glBufferData(GL.GL_ELEMENT_ARRAY_BUFFER,
                        sizeof(c_uint16) * vr_model.unTriangleCount * 3,
                        vr_model.rIndexData, GL.GL_STATIC_DRAW)
        GL.glBindVertexArray(0)
        # create and populate the texture
        self.texture = GL.glGenTextures(1)
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.texture)
        GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, vr_diffuse_texture.unWidth, vr_diffuse_texture.unHeight,
                        0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, vr_diffuse_texture.rubTextureMapData)
        # If this renders black ask McJohn what's wrong.
        GL.glGenerateMipmap(GL.GL_TEXTURE_2D)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
        GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR)
        f_largest = GL.glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT)
        GL.glTexParameterf(GL.GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, f_largest)
        GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
        self.vertex_count = vr_model.unTriangleCount * 3 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import GL_LINEAR [as 別名]
def genSixteenBlockTexture():
        has12 = GL.glGetString(GL.GL_VERSION) >= "1.2"
        if has12:
            maxLevel = 2
            mode = GL.GL_LINEAR_MIPMAP_NEAREST
        else:
            maxLevel = 1
            mode = GL.GL_LINEAR

        def makeSixteenBlockTex():
            darkColor = (0x30, 0x30, 0x30, 0xff)
            lightColor = (0x80, 0x80, 0x80, 0xff)
            w, h, = 256, 256

            teximage = numpy.zeros((w, h, 4), dtype='uint8')
            teximage[:] = 0xff
            teximage[:, ::16] = lightColor
            teximage[::16, :] = lightColor
            teximage[:2] = darkColor
            teximage[-1:] = darkColor
            teximage[:, -1:] = darkColor
            teximage[:, :2] = darkColor
            GL.glTexParameter(GL.GL_TEXTURE_2D,
                              GL.GL_TEXTURE_MAX_LEVEL,
                              maxLevel - 1)

            for lev in xrange(maxLevel):
                step = 1 << lev
                if lev:
                    teximage[::16] = 0xff
                    teximage[:, ::16] = 0xff
                    teximage[:2] = darkColor
                    teximage[-1:] = darkColor
                    teximage[:, -1:] = darkColor
                    teximage[:, :2] = darkColor

                GL.glTexImage2D(GL.GL_TEXTURE_2D, lev, GL.GL_RGBA8,
                                w / step, h / step, 0,
                                GL.GL_RGBA, GL.GL_UNSIGNED_BYTE,
                                teximage[::step, ::step].ravel())

        return Texture(makeSixteenBlockTex, mode)