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'
