Welcome to Python-flavored Magnum! Please note that, while already being rather stable, this functionality is still considered experimental and some APIs might get changed without preserving full backwards compatibility.

magnum.shaders.PhongGL class

Phong OpenGL shader

Enums

class Flags: AMBIENT_TEXTURE = 1 DIFFUSE_TEXTURE = 2 SPECULAR_TEXTURE = 4 NORMAL_TEXTURE = 16 ALPHA_MASK = 8 VERTEX_COLOR = 32 BITANGENT = 2048 TEXTURE_TRANSFORMATION = 64 INSTANCED_TRANSFORMATION = 512 INSTANCED_TEXTURE_OFFSET = 1088 NONE = 0
Flags

Methods

def bind_ambient_texture(self, arg0: gl.Texture2D, /) -> None
Bind an ambient texture
def bind_diffuse_texture(self, arg0: gl.Texture2D, /) -> None
Bind a diffuse texture
def bind_normal_texture(self, arg0: gl.Texture2D, /) -> None
Bind a normal texture
def bind_specular_texture(self, arg0: gl.Texture2D, /) -> None
Bind a specular texture
def bind_textures(self, ambient: gl.Texture2D = None, diffuse: gl.Texture2D = None, specular: gl.Texture2D = None, normal: gl.Texture2D = None) -> None
Bind textures
def draw(self, arg0: gl.Mesh, /) -> None
Draw a mesh
def validate(self, /) -> tuple[bool, str]
Validate program

Special methods

def __init__(self, *, flags: Flags = Flags.NONE, light_count: int = 1) -> None
Constructor

Properties

alpha_mask: float set
Alpha mask
ambient_color: Color4 set
Ambient color
diffuse_color: Color4 set
Diffuse color
flags: Flags get
Flags
id: int get
OpenGL program ID
light_colors: list[Color3] set
Light colors
light_count: int get
Light count
light_positions: list[Vector4] set
Light positions
light_ranges: list[float] set
Light ranges
light_specular_colors: list[Color3] set
Light specular colors
normal_matrix: Matrix3x3 set
Normal matrix
normal_texture_scale: float set
Normal texture scale
projection_matrix: Matrix4 set
Projection matrix
shininess: float set
Shininess
specular_color: Color4 set
Specular color
texture_matrix: Matrix3 set
Texture matrix
transformation_matrix: Matrix4 set
Transformation matrix

Data

BITANGENT: gl.Attribute
Bitangent direction
COLOR3: gl.Attribute
Three-component vertex color
COLOR4: gl.Attribute
Four-component vertex color
NORMAL: gl.Attribute
Normal direction
NORMAL_MATRIX
(Instanced) normal matrix
POSITION: gl.Attribute
Vertex position
TANGENT: gl.Attribute
Tangent direction
TANGENT4: gl.Attribute
Tangent direction with a bitangent sign
TEXTURE_COORDINATES: gl.Attribute
2D texture coordinates
TEXTURE_OFFSET: gl.Attribute
(Instanced) texture offset
TRANSFORMATION_MATRIX: gl.Attribute
(Instanced) transformation matrix
TransformFeedbackBufferMode
attach_shader
bind_attribute_location
bind_fragment_data_location
bind_fragment_data_location_indexed
dispatch_compute
retrievable_binary
separable
set_uniform
set_uniform_block_binding
uniform_block_index
uniform_location

Method documentation

def magnum.shaders.PhongGL.bind_ambient_texture(self, arg0: gl.Texture2D, /) -> None

Bind an ambient texture

Exceptions
AttributeError If the shader was not created with Flags.AMBIENT_TEXTURE

def magnum.shaders.PhongGL.bind_diffuse_texture(self, arg0: gl.Texture2D, /) -> None

Bind a diffuse texture

Exceptions
AttributeError If the shader was not created with Flags.DIFFUSE_TEXTURE

def magnum.shaders.PhongGL.bind_normal_texture(self, arg0: gl.Texture2D, /) -> None

Bind a normal texture

Exceptions
AttributeError If the shader was not created with Flags.NORMAL_TEXTURE

def magnum.shaders.PhongGL.bind_specular_texture(self, arg0: gl.Texture2D, /) -> None

Bind a specular texture

Exceptions
AttributeError If the shader was not created with Flags.SPECULAR_TEXTURE

def magnum.shaders.PhongGL.bind_textures(self, ambient: gl.Texture2D = None, diffuse: gl.Texture2D = None, specular: gl.Texture2D = None, normal: gl.Texture2D = None) -> None

Bind textures

Exceptions
AttributeError If the shader was not created with any of Flags.AMBIENT_TEXTURE, Flags.DIFFUSE_TEXTURE, Flags.SPECULAR_TEXTURE or Flags.NORMAL_TEXTURE

Property documentation

magnum.shaders.PhongGL.alpha_mask: float set

Alpha mask

Exceptions
AttributeError If the shader was not created with Flags.ALPHA_MASK

magnum.shaders.PhongGL.light_colors: list[Color3] set

Light colors

Exceptions
ValueError If list length is different from light_count

magnum.shaders.PhongGL.light_positions: list[Vector4] set

Light positions

Exceptions
ValueError If list length is different from light_count

magnum.shaders.PhongGL.light_ranges: list[float] set

Light ranges

Exceptions
ValueError If list length is different from light_count

magnum.shaders.PhongGL.normal_texture_scale: float set

Normal texture scale

Exceptions
AttributeError If the shader was not created with Flags.NORMAL_TEXTURE

magnum.shaders.PhongGL.texture_matrix: Matrix3 set

Texture matrix

Exceptions
AttributeError If the shader was not created with Flags.TEXTURE_TRANSFORMATION