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Updated shader (markdown)

reduz
2014-06-22 07:24:08 -07:00
parent cb2cf7907c
commit e2ded77048
1 changed files with 19 additions and 1 deletions
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shader.md

@@ -134,6 +134,7 @@ Several Built-in functions are provided for convenience, listed as follows:
| vec_type **mix**( vec_type a,vec_type b, float c ) | Linear Interpolate | | vec_type **mix**( vec_type a,vec_type b, float c ) | Linear Interpolate |
| vec_type **mix**( vec_type a,vec_type b, vec_type c ) | Linear Interpolate (Vector Coef.)| | vec_type **mix**( vec_type a,vec_type b, vec_type c ) | Linear Interpolate (Vector Coef.)|
| vec_type **step**( vec_type a,vec_type b) | ` a[i] < b[i] ? 0.0 : 1.0`| | vec_type **step**( vec_type a,vec_type b) | ` a[i] < b[i] ? 0.0 : 1.0`|
| vec_type **smoothstep**( vec_type a,vec_type b,vec_type c) | |
| float **length**( vec_type ) | Vector Length | | float **length**( vec_type ) | Vector Length |
| float **distance**( vec_type, vec_type ) | Distance between vector. | | float **distance**( vec_type, vec_type ) | Distance between vector. |
| float **dot**( vec_type, vec_type ) | Dot Product | | float **dot**( vec_type, vec_type ) | Dot Product |
@@ -192,7 +193,24 @@ Depending on the shader type, several built-in variables are available, listed a
| out float **SPEC_EXP** | Specular Exponent (Fragment Version) | | out float **SPEC_EXP** | Specular Exponent (Fragment Version) |
| out float **GLOW** | Glow | | out float **GLOW** | Glow |
| out float **DISCARD** | Discard (any write > 0.5 discards the pixel) | | out float **DISCARD** | Discard (any write > 0.5 discards the pixel) |
##### Material - LightShader
| Variable | Description |
| -------- | -------- |
| const vec3 **NORMAL** | View-Space normal |
| const vec3 **LIGHT_DIR** | View-Space Light Direction |
| const vec3 **EYE_VEC** | View-Space Eye-Point Vector |
| const vec3 **DIFFUSE** | Material Diffuse Color |
| const vec3 **LIGHT_DIFFUSE** | Light Diffuse Color |
| const vec3 **SPECULAR** | Material Specular Color |
| const vec3 **LIGHT_SPECULAR** | Light Specular Color |
| const float **SPECULAR_EXP** | Specular Exponent |
| const vec1 **SHADE_PARAM** | Generic Shade Parameter |
| const vec2 **POINT_COORD** | Current Pixel Coordinate |
| out vec2 **LIGHT**| Resulting Light |
| const float **TIME**| Time (in seconds) |
### Examples ### Examples
Material that reads a texture, a color and multiples them, fragment program: Material that reads a texture, a color and multiples them, fragment program: