Python GL.glBindTexture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 glBindTexture [as 别名]
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() 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
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) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
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 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def render(self, pixmap, viewport_shape):
    """Renders the pixmap on a fullscreen quad.

    Args:
      pixmap: A 3D numpy array of bytes (np.uint8), with dimensions
        (width, height, 3).
      viewport_shape: A tuple of two elements, (width, height).
    """
    GL.glClear(GL.GL_COLOR_BUFFER_BIT)
    GL.glViewport(0, 0, *viewport_shape)
    GL.glUseProgram(self._shader)
    GL.glActiveTexture(GL.GL_TEXTURE0)
    GL.glBindTexture(GL.GL_TEXTURE_2D, self._texture)
    GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
    GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB, pixmap.shape[1],
                    pixmap.shape[0], 0, GL.GL_RGB, GL.GL_UNSIGNED_BYTE,
                    pixmap)
    GL.glUniform1i(self._var_texture_sampler, 0)
    GL.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
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 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def display_gl(self, modelview, projection, pose):
        if not self.model_is_loaded:
            self._try_load_model()
            return
        if not self.texture_is_loaded:
            self._try_load_texture()
            return
        controller_X_room = pose.mDeviceToAbsoluteTracking
        controller_X_room = matrixForOpenVrMatrix(controller_X_room)
        modelview0 = controller_X_room * modelview
        # Repack before use, just in case
        modelview0 = numpy.asarray(numpy.matrix(modelview0, dtype=numpy.float32))
        GL.glUniformMatrix4fv(4, 1, False, modelview0)
        normal_matrix = numpy.asarray(controller_X_room)
        GL.glUniformMatrix4fv(8, 1, False, normal_matrix)
        GL.glActiveTexture(GL.GL_TEXTURE0)
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.diffuse_texture)
        GL.glBindVertexArray(self.vao)
        GL.glDrawElements(GL.GL_TRIANGLES, len(self.indexPositions), GL.GL_UNSIGNED_INT, None)
        GL.glBindVertexArray(0) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
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) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
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) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def bindTextures(self, shader):
        index = 0
        for sampler, entry in self.textures.items():
            shader.uniformi(sampler, index)
            gl.glActiveTexture(gl.GL_TEXTURE0 + index)
            gl.glBindTexture(gl.GL_TEXTURE_2D, entry.texture.textureId)
            index += 1 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def unbindTextures(self):
        for i in range(len(self.textures)):
            gl.glActiveTexture(gl.GL_TEXTURE0 + i)
            gl.glBindTexture(gl.GL_TEXTURE_2D, 0)
        gl.glActiveTexture(gl.GL_TEXTURE0) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def render(self, context):
        self.shader.bind()

        self.setUniforms(self.shader, context.uniforms)
        self.shader.uniformf("screenSize", *self.getSize())

        gl.glClearColor(*self.clearColor)
        gl.glClear(gl.GL_COLOR_BUFFER_BIT)
        gl.glDisable(gl.GL_DEPTH_TEST)

        transforms = self.computeBoneTransforms()

        boneMatrixArray = []
        for i, transform in enumerate(transforms):
            boneMatrix = transform.matrix
            boneMatrix.p = transform.transparency #Abuse unused matrix location

            overwrite = transform.damping > 0.0
            if overwrite and self.oldFrameData.get(transform.bone.name):
                overwrite = self.dampenBoneTransform(context, transform)

            if overwrite:
                self.oldFrameData[transform.bone.name] = SkinnedFrameData(context.shownTime, transform)

            boneMatrixArray.extend(utils.matrixToList(boneMatrix))
        self.shader.uniformMatrix4fArray("boneMatrices", boneMatrixArray)

        for transform in transforms:
            self.renderBoneTransform(transform, context)

        for i in range(2):
            gl.glActiveTexture(gl.GL_TEXTURE0 + i)
            gl.glBindTexture(gl.GL_TEXTURE_2D, 0)

        gl.glActiveTexture(gl.GL_TEXTURE0)

        self.shader.unbind() 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
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] 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def bind(self, index):
        gl.glActiveTexture(gl.GL_TEXTURE0 + index)
        gl.glBindTexture(gl.GL_TEXTURE_2D, self.textureId) 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def copyRenderBufferToSurface(self, surface):
        surface.lock()

        gl.glPixelStorei(gl.GL_PACK_ROW_LENGTH, surface.get_pitch() // surface.get_bytesize())

        gl.glBindTexture(gl.GL_TEXTURE_2D, self.frameBuffer.texture)
        gl.glGetTexImage(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, surface._pixels_address)

        gl.glBindTexture(gl.GL_TEXTURE_2D, 0)
        gl.glPixelStorei(gl.GL_PACK_ROW_LENGTH, 0)

        surface.unlock() 

# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import glBindTexture [as 别名]
def bind(self):
        GL.glBindTexture(GL.GL_TEXTURE_2D, self._texID)