Python GL.glGetString方法代碼示例

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def paintGL(self):
        self.makeCurrent()
        gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)

        self.program.bind()

        self.program.enableAttributeArray("position")
        self.vbo.bind()
        gl.glVertexAttribPointer(self.program.attributeLocation("position"), 2, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo)


        self.program.enableAttributeArray("normal")
        self.vbo_cols.bind()
        gl.glVertexAttribPointer(self.program.attributeLocation("normal"), 3, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo_cols)


        gl.glDrawArrays(gl.GL_TRIANGLES, 0, len(self.data))



        print(self.context().format().majorVersion())
        print(self.context().format().minorVersion())


        print(gl.glGetString(gl.GL_VERSION)); 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def paintGL(self):
        gl.glClear(gl.GL_COLOR_BUFFER_BIT)
        if not self.first:
            return
        f = open('opengl_test.txt', 'w')
        gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
        f.write('Supported OpenGL version: %.1f\n' % gl_version)
        if gl_version >= 2.0:
            f.write('Supported GLSL version: ' +
                    gl.glGetString(gl.GL_SHADING_LANGUAGE_VERSION).decode() + '\n')
            f.write('Context was valid in initializeGL? %d\n' % self.was_valid_in_init)
            numext = gl.glGetIntegerv(gl.GL_NUM_EXTENSIONS)
            f.write('Supported OpenGL extensions:' + '\n')
            extensions = ''
            for i in range(numext):
                extensions += ', ' + gl.glGetStringi(gl.GL_EXTENSIONS, i).decode()
            f.write(extensions)
        f.close()
        self.first = False 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def initializeGL(self):
        """Initialize OpenGL, VBOs, upload data on the GPU, etc."""

        # First check for supported GL version
        gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
        if gl_version < 3.3:
            return

        # background color
        gl.glClearColor(0, 0, 0, 0)
        gl.glEnable(gl.GL_BLEND)
        gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)

        # self.mcp_data       = mcpUBO()
        self.globaldata     = ndUBO()
        self.mcp_col_shader = BlueSkyProgram('mcp.vert', 'color.frag')
        self.mcp_tex_shader = BlueSkyProgram('mcp.vert', 'texture.frag')
        self.mcp_txt_shader = BlueSkyProgram('mcp_text.vert', 'mcp_text.frag')

        self.color_shader   = BlueSkyProgram('normal.vert', 'color.frag')
        self.text_shader    = BlueSkyProgram('text.vert', 'text.frag')
        self.text_shader.bind_uniform_buffer('global_data', self.globaldata)

        self.create_objects()
        self.update_lcd() 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def getOpenglInfo(self):
        info = """
            Vendor: {0}
            Renderer: {1}
            OpenGL Version: {2}
            Shader Version: {3}
            """.format(
            GL.glGetString(GL.GL_VENDOR).decode(),
            GL.glGetString(GL.GL_RENDERER).decode(),
            GL.glGetString(GL.GL_VERSION).decode(),
            GL.glGetString(GL.GL_SHADING_LANGUAGE_VERSION).decode()
        )
        return info 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def initializeGL(self):
        GL.glClearColor(1.0, 0.0, 0.0, 1.0)
        GL.glEnable(GL.GL_BLEND)
        GL.glBlendFunc (GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)
        GL.glClear(GL.GL_COLOR_BUFFER_BIT)

        print("OpenGL.GL: " + str(GL.glGetString(GL.GL_VERSION)))
        print("GL.GLSL: " + str(GL.glGetString(GL.GL_SHADING_LANGUAGE_VERSION)))
        print("OpenGL ATTRIBUTES:\n",", ".join(d for d in dir(GL) if d.startswith("GL_")))

        self.program = QOpenGLShaderProgram()
        self.program.addShaderFromSourceCode(QOpenGLShader.Vertex, """#version 120
        attribute vec2 position;
        attribute vec2 texcoord;
        varying vec2 mytexcoord;
        void main() {
            gl_Position = vec4(position, 0., 1.0);
            mytexcoord = texcoord;
        }""")

        self.program.addShaderFromSourceCode(QOpenGLShader.Fragment, """#version 120
        uniform sampler2D texture;
        varying vec2 mytexcoord;
        void main() {
            
            gl_FragColor = texture2D(texture,mytexcoord);
        }""")
        print(self.program.log())
        self.program.link()

        self.texture = fillTexture2d(np.outer(np.linspace(0, 1, 128), np.ones(128))) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def paintGL(self):
        self.makeCurrent()
        gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)

        self.program.bind()

        self.program.enableAttributeArray("position")
        self.vbo.bind()
        gl.glVertexAttribPointer(self.program.attributeLocation("position"), 2, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo)


        self.program.enableAttributeArray("color")
        self.vbo_cols.bind()
        gl.glVertexAttribPointer(self.program.attributeLocation("color"), 3, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo_cols)

        self.vbo_index.bind()

        #gl.glDrawArrays(gl.GL_TRIANGLES, 0, len(self.data))

        gl.glDrawElements(gl.GL_TRIANGLES, len(self.index), gl.GL_UNSIGNED_INT, None)

        print(self.context().format().majorVersion())
        print(self.context().format().minorVersion())


        print(gl.glGetString(gl.GL_VERSION)); 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def initializeGL(self):
        """Initialize OpenGL, VBOs, upload data on the GPU, etc."""

        # First check for supported GL version
        gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
        if gl_version < 3.3:
            return

        # background color
        gl.glClearColor(0, 0, 0, 0)
        gl.glEnable(gl.GL_BLEND)
        gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)

        self.globaldata = ndUBO()

        try:
            # Compile shaders and link color shader program
            self.color_shader = BlueSkyProgram('data/graphics/shaders/nd-normal.vert', 'data/graphics/shaders/nd-color.frag')
            self.color_shader.bind_uniform_buffer('global_data', self.globaldata)

            # Compile shaders and link text shader program
            self.text_shader = BlueSkyProgram('data/graphics/shaders/nd-text.vert', 'data/graphics/shaders/nd-text.frag')
            self.text_shader.bind_uniform_buffer('global_data', self.globaldata)

        except RuntimeError as e:
            qCritical('Error compiling shaders in radarwidget: ' + e.args[0])
            return

        # Set initial zoom
        self.globaldata.set_zoom(4.0)

        self.create_objects() 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def initializeGL(self):
                        GLTest.gl_version = float(ogl.glGetString(ogl.GL_VERSION)[:3]) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [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 glGetString [as 別名]
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)

            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() 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [as 別名]
def initializeGL(self):
        """Initialize OpenGL, VBOs, upload data on the GPU, etc."""

        # First check for supported GL version
        gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
        if gl_version < 3.3:
            print(('OpenGL context created with GL version %.1f' % gl_version))
            qCritical("""Your system reports that it supports OpenGL up to version %.1f. The minimum requirement for BlueSky is OpenGL 3.3.
                Generally, AMD/ATI/nVidia cards from 2008 and newer support OpenGL 3.3, and Intel integrated graphics from the Haswell
                generation and newer. If you think your graphics system should be able to support GL>=3.3 please open an issue report
                on the BlueSky Github page (https://github.com/ProfHoekstra/bluesky/issues)""" % gl_version)
            return

        # background color
        gl.glClearColor(*(palette.background + (0,)))
        gl.glEnable(gl.GL_BLEND)
        gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)

        self.globaldata = radarUBO()

        try:
            shpath = path.join(settings.gfx_path, 'shaders')
            # Compile shaders and link color shader program
            self.color_shader = BlueSkyProgram(path.join(shpath, 'radarwidget-normal.vert'), path.join(shpath, 'radarwidget-color.frag'))
            self.color_shader.bind_uniform_buffer('global_data', self.globaldata)

            # Compile shaders and link texture shader program
            self.texture_shader = BlueSkyProgram(path.join(shpath, 'radarwidget-normal.vert'), path.join(shpath, 'radarwidget-texture.frag'))
            self.texture_shader.bind_uniform_buffer('global_data', self.globaldata)

            # Compile shaders and link text shader program
            self.text_shader = BlueSkyProgram(path.join(shpath, 'radarwidget-text.vert'), path.join(shpath, 'radarwidget-text.frag'))
            self.text_shader.bind_uniform_buffer('global_data', self.globaldata)

            self.ssd_shader = BlueSkyProgram(path.join(shpath, 'ssd.vert'), path.join(shpath, 'ssd.frag'), path.join(shpath, 'ssd.geom'))
            self.ssd_shader.bind_uniform_buffer('global_data', self.globaldata)
            self.ssd_shader.loc_vlimits = gl.glGetUniformLocation(self.ssd_shader.program, 'Vlimits')
            self.ssd_shader.loc_nac = gl.glGetUniformLocation(self.ssd_shader.program, 'n_ac')

        except RuntimeError as e:
            print('Error compiling shaders in radarwidget: ' + e.args[0])
            qCritical('Error compiling shaders in radarwidget: ' + e.args[0])
            return

        # create all vertex array objects
        try:
            self.create_objects()
        except Exception as e:
            print('Error while creating RadarWidget objects: ' + e.args[0]) 

# 需要導入模塊: from OpenGL import GL [as 別名]
# 或者: from OpenGL.GL import glGetString [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)