本文整理汇总了Python中OpenGL.GL.GL_FRAGMENT_SHADER属性的典型用法代码示例。如果您正苦于以下问题：Python GL.GL_FRAGMENT_SHADER属性的具体用法？Python GL.GL_FRAGMENT_SHADER怎么用？Python GL.GL_FRAGMENT_SHADER使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类OpenGL.GL的用法示例。
在下文中一共展示了GL.GL_FRAGMENT_SHADER属性的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: link
# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import GL_FRAGMENT_SHADER [as 别名]
def link(self):
if gl.GL_VERTEX_SHADER not in self.shaders_ or gl.GL_FRAGMENT_SHADER not in self.shaders_:
raise RuntimeError("program needs at least vertex and fragment shader")
for shader in self.shaders_.values():
gl.glAttachShader(self.id_, shader.id)
for line in shader.code.split("\n"):
match = re.search(r"uniform\s+(\S+)\s+(\S+)\s*;", line)
if match:
self.uniform_types_[match.group(2)] = match.group(1)
gl.glLinkProgram(self.id_)
isLinked = bool(gl.glGetProgramiv(self.id_, gl.GL_LINK_STATUS))
if not isLinked:
msg = gl.glGetProgramInfoLog(self.id_)
raise RuntimeError(str(msg.decode("utf-8")))
# after linking we don't need the source code anymore.
self.shaders_ = {}
self.is_linked = True 示例2: _init_shaders
# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import GL_FRAGMENT_SHADER [as 别名]
def _init_shaders(self):
"""Initializes the shaders used to render the textures fullscreen quad."""
vs = shaders.compileShader(_VERTEX_SHADER, GL.GL_VERTEX_SHADER)
fs = shaders.compileShader(_FRAGMENT_SHADER, GL.GL_FRAGMENT_SHADER)
self._shader = shaders.compileProgram(vs, fs)
stride = _FLOATS_PER_VERTEX * _SIZE_OF_FLOAT
var_position = GL.glGetAttribLocation(self._shader, _VAR_POSITION)
GL.glVertexAttribPointer(
var_position, 2, GL.GL_FLOAT, GL.GL_FALSE, stride, None)
GL.glEnableVertexAttribArray(var_position)
var_uv = GL.glGetAttribLocation(self._shader, _VAR_UV)
uv_offset = ctypes.c_void_p(_FLOATS_PER_XY * _SIZE_OF_FLOAT)
GL.glVertexAttribPointer(
var_uv, 2, GL.GL_FLOAT, GL.GL_FALSE, stride, uv_offset)
GL.glEnableVertexAttribArray(var_uv)
self._var_texture_sampler = GL.glGetUniformLocation(
self._shader, _VAR_TEXTURE_SAMPLER) 示例3: __init__
# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import GL_FRAGMENT_SHADER [as 别名]
def __init__(self, vsCode, psCode):
self.handle = gl.glCreateProgram()
self.linked = False
self.createShader(vsCode, gl.GL_VERTEX_SHADER)
self.createShader(psCode, gl.GL_FRAGMENT_SHADER)
self.link()
if not self.linked:
raise RuntimeError("Shader not linked") 示例4: __init__
# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import GL_FRAGMENT_SHADER [as 别名]
def __init__(self, vertex_shader, fragment_shader, geom_shader=None):
self.shaders = []
self.compile_shader(vertex_shader, gl.GL_VERTEX_SHADER)
self.compile_shader(fragment_shader, gl.GL_FRAGMENT_SHADER)
if geom_shader is not None:
self.compile_shader(geom_shader, gl.GL_GEOMETRY_SHADER)
self.link() 示例5: init_gl
# 需要导入模块: from OpenGL import GL [as 别名]
# 或者: from OpenGL.GL import GL_FRAGMENT_SHADER [as 别名]
def init_gl(self):
vertex_shader = compileShader(
shader_string("""
layout(location = 0) in vec3 in_Position;
layout(location = 1) in vec3 in_Normal;
layout(location = 2) in vec2 in_TexCoord;
layout(location = 0) uniform mat4 projection = mat4(1);
layout(location = 4) uniform mat4 model_view = mat4(1);
layout(location = 8) uniform mat4 normal_matrix = mat4(1);
out vec3 color;
out vec2 fragTexCoord;
void main() {
gl_Position = projection * model_view * vec4(in_Position, 1.0);
vec3 normal = normalize((normal_matrix * vec4(in_Normal, 0)).xyz);
color = (normal + vec3(1,1,1)) * 0.5; // color by normal
fragTexCoord = in_TexCoord;
// color = vec3(in_TexCoord, 0.5); // color by texture coordinate
}
"""),
GL.GL_VERTEX_SHADER)
fragment_shader = compileShader(
shader_string("""
uniform sampler2D diffuse;
in vec3 color;
in vec2 fragTexCoord;
out vec4 fragColor;
void main() {
// fragColor = vec4(color, 1.0);
fragColor = texture(diffuse, fragTexCoord);
}
"""),
GL.GL_FRAGMENT_SHADER)
self.shader = compileProgram(vertex_shader, fragment_shader)
self._check_devices()
GL.glEnable(GL.GL_DEPTH_TEST)