def initializeGL(self): version_profile = QOpenGLVersionProfile() version_profile.setVersion(2, 0) self.gl = self.context().versionFunctions(version_profile) self.gl.initializeOpenGLFunctions() self.makeObject() self.gl.glEnable(self.gl.GL_DEPTH_TEST) self.gl.glEnable(self.gl.GL_CULL_FACE) vshader = QOpenGLShader(QOpenGLShader.Vertex, self) vshader.compileSourceCode(self.vsrc) fshader = QOpenGLShader(QOpenGLShader.Fragment, self) fshader.compileSourceCode(self.fsrc) self.program = QOpenGLShaderProgram() self.program.addShader(vshader) self.program.addShader(fshader) self.program.bindAttributeLocation("vertex", self.PROGRAM_VERTEX_ATTRIBUTE) self.program.bindAttributeLocation("texCoord", self.PROGRAM_TEXCOORD_ATTRIBUTE) self.program.link() self.program.bind() self.program.setUniformValue("texture", 0) self.program.enableAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE) self.program.enableAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE) self.program.setAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE, self.vertices) self.program.setAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE, self.texCoords)
def initializeGL(self): self.makeObject() glEnable(GL_DEPTH_TEST) glEnable(GL_CULL_FACE) vshader = QOpenGLShader(QOpenGLShader.Vertex, self) vshader.compileSourceCode(self.vsrc) fshader = QOpenGLShader(QOpenGLShader.Fragment, self) fshader.compileSourceCode(self.fsrc) self.program = QOpenGLShaderProgram(self) self.program.addShader(vshader) self.program.addShader(fshader) self.program.bindAttributeLocation('vertex', self.PROGRAM_VERTEX_ATTRIBUTE) self.program.bindAttributeLocation('texCoord', self.PROGRAM_TEXCOORD_ATTRIBUTE) self.program.link() self.program.bind() self.program.setUniformValue('texture', 0) self.program.enableAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE) self.program.enableAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE) self.program.setAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE, self.vertices) self.program.setAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE, self.texCoords)
def getRgbCubeMaterial(entity): vertexShaderInput = """ varying vec4 position; // this is a varying variable in the vertex shader void main() { position = 0.5 * (gl_Vertex + vec4(1.0, 1.0, 1.0, 0.0)); // Here the vertex shader writes output(!) to the // varying variable. We add 1.0 to the x, y, and z // coordinates and multiply by 0.5, because the // coordinates of the cube are between -1.0 and 1.0 // but we need them between 0.0 and 1.0 gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; } """ fragmentShaderInput = """ varying vec4 position; // this is a varying variable in the fragment shader void main() { gl_FragColor = position; // Here the fragment shader reads intput(!) from the // varying variable. The red, gree, blue, and alpha // component of the fragment color are set to the // values in the varying variable. (The alpha // component of the fragment doesn't matter here.) } """ vertexShader = QOpenGLShader(QOpenGLShader.Vertex) vertexShader.compileSourceCode(vertexShaderInput) fragmentShader = QOpenGLShader(QOpenGLShader.Fragment) fragmentShader.compileSourceCode(fragmentShaderInput) program = QShaderProgram() program.setShaderCode(QShaderProgram.Vertex, QByteArray(bytes(vertexShaderInput, "UTF-8"))) program.setShaderCode(QShaderProgram.Fragment, QByteArray(bytes(fragmentShaderInput, "UTF-8"))) print(program.log()) renderPass = QRenderPass() renderPass.setShaderProgram(program) technique = QTechnique() technique.addRenderPass(renderPass) effect = QEffect() effect.addTechnique(technique) material = QMaterial(entity) material.setEffect(effect) return material
def initializeGL(self): self.gl = self.context().versionFunctions() self.gl.initializeOpenGLFunctions() self.makeObject() self.gl.glEnable(self.gl.GL_DEPTH_TEST) self.gl.glEnable(self.gl.GL_CULL_FACE) vshader = QOpenGLShader(QOpenGLShader.Vertex, self) vshader.compileSourceCode(self.vsrc) fshader = QOpenGLShader(QOpenGLShader.Fragment, self) fshader.compileSourceCode(self.fsrc) self.program = QOpenGLShaderProgram() self.program.addShader(vshader) self.program.addShader(fshader) self.program.bindAttributeLocation('vertex', self.PROGRAM_VERTEX_ATTRIBUTE) self.program.bindAttributeLocation('texCoord', self.PROGRAM_TEXCOORD_ATTRIBUTE) self.program.link() self.program.bind() self.program.setUniformValue('texture', 0) self.program.enableAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE) self.program.enableAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE) self.program.setAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE, self.vertices) self.program.setAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE, self.texCoords)
def initialize(self): #print("initialize.gls") self.gl.initializeOpenGLFunctions() self.gl.glClearColor(0.1, 0.1, 0.2, 1.0) vshader1 = QOpenGLShader(QOpenGLShader.Vertex, self.program1) vsrc1 = str("attribute highp vec4 vertex;\n" "attribute mediump vec3 normal;\n" "uniform mediump mat4 matrix;\n" "varying mediump vec4 color;\n" "void main(void)\n" "{\n" " vec3 toLight = normalize(vec3(0.0, 0.3, 1.0));\n" " float angle = max(dot(normal, toLight), 0.0);\n" " vec3 col = vec3(0.40, 1.0, 0.0);\n" " color = vec4(col * 0.2 + col * 0.8 * angle, 1.0);\n" " color = clamp(color, 0.0, 1.0);\n" " gl_Position = matrix * vertex;\n" "}\n") vshader1.compileSourceCode(vsrc1) fshader1 = QOpenGLShader(QOpenGLShader.Fragment, self.program1) fsrc1 = str("varying mediump vec4 color;\n" "void main(void)\n" "{\n" " gl_FragColor = color;\n" "}\n") fshader1.compileSourceCode(fsrc1) self.program1.addShader(vshader1) self.program1.addShader(fshader1) self.program1.link() self.vertexAttr1 = self.program1.attributeLocation("vertex") self.normalAttr1 = self.program1.attributeLocation("normal") self.matrixUniform1 = self.program1.uniformLocation("matrix") self.gl.glTexParameteri(self.gl.GL_TEXTURE_2D, self.gl.GL_TEXTURE_MIN_FILTER, self.gl.GL_LINEAR) self.gl.glTexParameteri(self.gl.GL_TEXTURE_2D, self.gl.GL_TEXTURE_MAG_FILTER, self.gl.GL_LINEAR) self.m_fAngle = 0 self.m_fScale = 1 self.createGeometry()
def initialize(self): #print("initialize.gls") self.gl.initializeOpenGLFunctions() self.gl.glClearColor(0.1, 0.1, 0.2, 1.0) vshader1 = QOpenGLShader(QOpenGLShader.Vertex, self.program1) vsrc1 = str("attribute highp vec4 vertex;\n" "attribute mediump vec3 normal;\n" "uniform mediump mat4 matrix;\n" "varying mediump vec4 color;\n" "void main(void)\n" "{\n" " vec3 toLight = normalize(vec3(0.0, 0.3, 1.0));\n" " float angle = max(dot(normal, toLight), 0.0);\n" " vec3 col = vec3(0.40, 1.0, 0.0);\n" " color = vec4(col * 0.2 + col * 0.8 * angle, 1.0);\n" " color = clamp(color, 0.0, 1.0);\n" " gl_Position = matrix * vertex;\n" "}\n") vshader1.compileSourceCode(vsrc1) fshader1 = QOpenGLShader(QOpenGLShader.Fragment, self.program1) fsrc1 = str("varying mediump vec4 color;\n" "void main(void)\n" "{\n" " gl_FragColor = color;\n" "}\n") fshader1.compileSourceCode(fsrc1) self.program1.addShader(vshader1) self.program1.addShader(fshader1) self.program1.link() self.vertexAttr1 = self.program1.attributeLocation("vertex") self.normalAttr1 = self.program1.attributeLocation("normal") self.matrixUniform1 = self.program1.uniformLocation("matrix") self.gl.glTexParameteri(self.gl.GL_TEXTURE_2D, self.gl.GL_TEXTURE_MIN_FILTER, self.gl.GL_LINEAR ) self.gl.glTexParameteri(self.gl.GL_TEXTURE_2D, self.gl.GL_TEXTURE_MAG_FILTER, self.gl.GL_LINEAR ) self.m_fAngle = 0 self.m_fScale = 1 self.createGeometry()
def changeVertexAndFragmentFromSourceCode(self, vertexCode, fragCode): vertexShader = QOpenGLShader(QOpenGLShader.Vertex) fragmentShader = QOpenGLShader(QOpenGLShader.Fragment) vertexShader.compileSourceCode(vertexCode) if not vertexShader.isCompiled(): return 'Vertex Shader: \n{}'.format(vertexShader.log()) fragmentShader.compileSourceCode(fragCode) if not fragmentShader.isCompiled(): return 'Fragment Shader: \n{}'.format(fragmentShader.log()) self.program.removeAllShaders() self.program.addShaderFromSourceCode(QOpenGLShader.Vertex, vertexCode) self.program.addShaderFromSourceCode(QOpenGLShader.Fragment, fragCode) self.program.link() self.program.bind() return 'Vertex Shader and Fragment Shader compiled Successfully'