minetest
/
irrlicht
mirror of https://github.com/minetest/irrlicht.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add shaders for COpenGL3DriverBase 

Currently, they are identical to OGLES2 shaders, except of version specification.
This commit is contained in:
numzero 2023-03-25 11:05:40 +03:00
parent d97d1708d6
commit 28d0e0644c
18 changed files with 1036 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
media/Shaders/DetailMap.fsh Normal file
View File

@ -0,0 +1,72 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform int uTextureUsage1;
uniform sampler2D uTextureUnit0;
uniform sampler2D uTextureUnit1;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color0 = vec4(1.0, 1.0, 1.0, 1.0);
vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
if (bool(uTextureUsage0))
Color0 = texture2D(uTextureUnit0, vTextureCoord0);
if (bool(uTextureUsage1))
Color1 = texture2D(uTextureUnit1, vTextureCoord1);
vec4 FinalColor = vec4(Color0 + (Color1 - 0.5)) * vVertexColor + vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
FinalColor = mix(FogColor, FinalColor, FogFactor);
}
gl_FragColor = FinalColor;
}

72
media/Shaders/LightmapAdd.fsh Normal file
View File

@ -0,0 +1,72 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform int uTextureUsage1;
uniform sampler2D uTextureUnit0;
uniform sampler2D uTextureUnit1;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color0 = vec4(1.0, 1.0, 1.0, 1.0);
vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
if (bool(uTextureUsage0))
Color0 = texture2D(uTextureUnit0, vTextureCoord0);
if (bool(uTextureUsage1))
Color1 = texture2D(uTextureUnit1, vTextureCoord1);
vec4 FinalColor = (Color0 + Color1) * vVertexColor + vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
FinalColor = mix(FogColor, FinalColor, FogFactor);
}
gl_FragColor = FinalColor;
}

74
media/Shaders/LightmapModulate.fsh Normal file
View File

@ -0,0 +1,74 @@
#version 100
precision mediump float;
/* Uniforms */
uniform float uModulate;
uniform int uTextureUsage0;
uniform int uTextureUsage1;
uniform sampler2D uTextureUnit0;
uniform sampler2D uTextureUnit1;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color0 = vec4(1.0, 1.0, 1.0, 1.0);
vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
if (bool(uTextureUsage0))
Color0 = texture2D(uTextureUnit0, vTextureCoord0);
if (bool(uTextureUsage1))
Color1 = texture2D(uTextureUnit1, vTextureCoord1);
vec4 FinalColor = (Color0 * Color1 * uModulate) * vVertexColor;
FinalColor += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
FinalColor = mix(FogColor, FinalColor, FogFactor);
}
gl_FragColor = FinalColor;
}

77
media/Shaders/OneTextureBlend.fsh Normal file
View File

@ -0,0 +1,77 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform sampler2D uTextureUnit0;
uniform int uBlendType;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color0 = vVertexColor;
vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
if (bool(uTextureUsage0))
Color1 = texture2D(uTextureUnit0, vTextureCoord0);
vec4 FinalColor = Color0 * Color1;
FinalColor += vSpecularColor;
if (uBlendType == 1)
{
FinalColor.w = Color0.w;
}
else if (uBlendType == 2)
{
FinalColor.w = Color1.w;
}
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
FinalColor = mix(FogColor, FinalColor, FogFactor);
}
gl_FragColor = FinalColor;
}

72
media/Shaders/Reflection2Layer.fsh Normal file
View File

@ -0,0 +1,72 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform int uTextureUsage1;
uniform sampler2D uTextureUnit0;
uniform sampler2D uTextureUnit1;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color0 = vec4(1.0, 1.0, 1.0, 1.0);
vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
if (bool(uTextureUsage0))
Color0 = texture2D(uTextureUnit0, vTextureCoord0);
if (bool(uTextureUsage1))
Color1 = texture2D(uTextureUnit1, vTextureCoord1);
vec4 FinalColor = (Color0 * Color1) * vVertexColor + vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
FinalColor = mix(FogColor, FinalColor, FogFactor);
}
gl_FragColor = FinalColor;
}

55
media/Shaders/Reflection2Layer.vsh Normal file
View File

@ -0,0 +1,55 @@
#version 100
/* Attributes */
attribute vec3 inVertexPosition;
attribute vec3 inVertexNormal;
attribute vec4 inVertexColor;
attribute vec2 inTexCoord0;
attribute vec2 inTexCoord1;
/* Uniforms */
uniform mat4 uWVPMatrix;
uniform mat4 uWVMatrix;
uniform mat4 uNMatrix;
uniform mat4 uTMatrix0;
uniform vec4 uGlobalAmbient;
uniform vec4 uMaterialAmbient;
uniform vec4 uMaterialDiffuse;
uniform vec4 uMaterialEmissive;
uniform vec4 uMaterialSpecular;
uniform float uMaterialShininess;
uniform float uThickness;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
void main()
{
gl_Position = uWVPMatrix * vec4(inVertexPosition, 1.0);
gl_PointSize = uThickness;
vec4 TextureCoord0 = vec4(inTexCoord0.x, inTexCoord0.y, 1.0, 1.0);
vTextureCoord0 = vec4(uTMatrix0 * TextureCoord0).xy;
vec3 Position = (uWVMatrix * vec4(inVertexPosition, 1.0)).xyz;
vec3 P = normalize(Position);
vec3 N = normalize(vec4(uNMatrix * vec4(inVertexNormal, 0.0)).xyz);
vec3 R = reflect(P, N);
float V = 2.0 * sqrt(R.x*R.x + R.y*R.y + (R.z+1.0)*(R.z+1.0));
vTextureCoord1 = vec2(R.x/V + 0.5, R.y/V + 0.5);
vVertexColor = inVertexColor.bgra;
vSpecularColor = vec4(0.0, 0.0, 0.0, 0.0);
vFogCoord = length(Position);
}

23
media/Shaders/Renderer2D.fsh Normal file
View File

@ -0,0 +1,23 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage;
uniform sampler2D uTextureUnit;
/* Varyings */
varying vec2 vTextureCoord;
varying vec4 vVertexColor;
void main()
{
vec4 Color = vVertexColor;
if (bool(uTextureUsage))
Color *= texture2D(uTextureUnit, vTextureCoord);
gl_FragColor = Color;
}

24
media/Shaders/Renderer2D.vsh Normal file
View File

@ -0,0 +1,24 @@
#version 100
/* Attributes */
attribute vec4 inVertexPosition;
attribute vec4 inVertexColor;
attribute vec2 inTexCoord0;
/* Uniforms */
uniform float uThickness;
/* Varyings */
varying vec2 vTextureCoord;
varying vec4 vVertexColor;
void main()
{
gl_Position = inVertexPosition;
gl_PointSize = uThickness;
vTextureCoord = inTexCoord0;
vVertexColor = inVertexColor.bgra;
}

11
media/Shaders/Renderer2D_noTex.fsh Normal file
View File

@ -0,0 +1,11 @@
#version 100
precision mediump float;
/* Varyings */
varying vec4 vVertexColor;
void main()
{
gl_FragColor = vVertexColor;
}

64
media/Shaders/Solid.fsh Normal file
View File

@ -0,0 +1,64 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform sampler2D uTextureUnit0;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color = vVertexColor;
if (bool(uTextureUsage0))
Color *= texture2D(uTextureUnit0, vTextureCoord0);
Color += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
Color = mix(FogColor, Color, FogFactor);
}
gl_FragColor = Color;
}

47
media/Shaders/Solid.vsh Normal file
View File

@ -0,0 +1,47 @@
#version 100
/* Attributes */
attribute vec3 inVertexPosition;
attribute vec3 inVertexNormal;
attribute vec4 inVertexColor;
attribute vec2 inTexCoord0;
/* Uniforms */
uniform mat4 uWVPMatrix;
uniform mat4 uWVMatrix;
uniform mat4 uNMatrix;
uniform mat4 uTMatrix0;
uniform vec4 uGlobalAmbient;
uniform vec4 uMaterialAmbient;
uniform vec4 uMaterialDiffuse;
uniform vec4 uMaterialEmissive;
uniform vec4 uMaterialSpecular;
uniform float uMaterialShininess;
uniform float uThickness;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
void main()
{
gl_Position = uWVPMatrix * vec4(inVertexPosition, 1.0);
gl_PointSize = uThickness;
vec4 TextureCoord0 = vec4(inTexCoord0.x, inTexCoord0.y, 1.0, 1.0);
vTextureCoord0 = vec4(uTMatrix0 * TextureCoord0).xy;
vVertexColor = inVertexColor.bgra;
vSpecularColor = vec4(0.0, 0.0, 0.0, 0.0);
vec3 Position = (uWVMatrix * vec4(inVertexPosition, 1.0)).xyz;
vFogCoord = length(Position);
}

53
media/Shaders/Solid2.vsh Normal file
View File

@ -0,0 +1,53 @@
#version 100
/* Attributes */
attribute vec3 inVertexPosition;
attribute vec3 inVertexNormal;
attribute vec4 inVertexColor;
attribute vec2 inTexCoord0;
attribute vec2 inTexCoord1;
/* Uniforms */
uniform mat4 uWVPMatrix;
uniform mat4 uWVMatrix;
uniform mat4 uNMatrix;
uniform mat4 uTMatrix0;
uniform mat4 uTMatrix1;
uniform vec4 uGlobalAmbient;
uniform vec4 uMaterialAmbient;
uniform vec4 uMaterialDiffuse;
uniform vec4 uMaterialEmissive;
uniform vec4 uMaterialSpecular;
uniform float uMaterialShininess;
uniform float uThickness;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
void main()
{
gl_Position = uWVPMatrix * vec4(inVertexPosition, 1.0);
gl_PointSize = uThickness;
vec4 TextureCoord0 = vec4(inTexCoord0.x, inTexCoord0.y, 1.0, 1.0);
vTextureCoord0 = vec4(uTMatrix0 * TextureCoord0).xy;
vec4 TextureCoord1 = vec4(inTexCoord1.x, inTexCoord1.y, 1.0, 1.0);
vTextureCoord1 = vec4(uTMatrix1 * TextureCoord1).xy;
vVertexColor = inVertexColor.bgra;
vSpecularColor = vec4(0.0, 0.0, 0.0, 0.0);
vec3 Position = (uWVMatrix * vec4(inVertexPosition, 1.0)).xyz;
vFogCoord = length(Position);
}

74
media/Shaders/Solid2Layer.fsh Normal file
View File

@ -0,0 +1,74 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform int uTextureUsage1;
uniform sampler2D uTextureUnit0;
uniform sampler2D uTextureUnit1;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec2 vTextureCoord1;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color0 = vec4(1.0, 1.0, 1.0, 1.0);
vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
if (bool(uTextureUsage0))
Color0 = texture2D(uTextureUnit0, vTextureCoord0);
if (bool(uTextureUsage1))
Color1 = texture2D(uTextureUnit1, vTextureCoord1);
vec4 FinalColor = (Color0 * vVertexColor.a + Color1 * (1.0 - vVertexColor.a)) * vVertexColor;
FinalColor += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
FinalColor = mix(FogColor, FinalColor, FogFactor);
}
gl_FragColor = FinalColor;
}

64
media/Shaders/SphereMap.fsh Normal file
View File

@ -0,0 +1,64 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform sampler2D uTextureUnit0;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color = vVertexColor;
if (bool(uTextureUsage0))
Color *= texture2D(uTextureUnit0, vTextureCoord0);
Color += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
Color = mix(FogColor, Color, FogFactor);
}
gl_FragColor = Color;
}

50
media/Shaders/SphereMap.vsh Normal file
View File

@ -0,0 +1,50 @@
#version 100
/* Attributes */
attribute vec3 inVertexPosition;
attribute vec3 inVertexNormal;
attribute vec4 inVertexColor;
attribute vec2 inTexCoord0;
attribute vec2 inTexCoord1;
/* Uniforms */
uniform mat4 uWVPMatrix;
uniform mat4 uWVMatrix;
uniform mat4 uNMatrix;
uniform vec4 uGlobalAmbient;
uniform vec4 uMaterialAmbient;
uniform vec4 uMaterialDiffuse;
uniform vec4 uMaterialEmissive;
uniform vec4 uMaterialSpecular;
uniform float uMaterialShininess;
uniform float uThickness;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
void main()
{
gl_Position = uWVPMatrix * vec4(inVertexPosition, 1.0);
gl_PointSize = uThickness;
vec3 Position = (uWVMatrix * vec4(inVertexPosition, 1.0)).xyz;
vec3 P = normalize(Position);
vec3 N = normalize(vec4(uNMatrix * vec4(inVertexNormal, 0.0)).xyz);
vec3 R = reflect(P, N);
float V = 2.0 * sqrt(R.x*R.x + R.y*R.y + (R.z+1.0)*(R.z+1.0));
vTextureCoord0 = vec2(R.x/V + 0.5, R.y/V + 0.5);
vVertexColor = inVertexColor.bgra;
vSpecularColor = vec4(0.0, 0.0, 0.0, 0.0);
vFogCoord = length(Position);
}

71
media/Shaders/TransparentAlphaChannel.fsh Normal file
View File

@ -0,0 +1,71 @@
#version 100
precision mediump float;
/* Uniforms */
uniform float uAlphaRef;
uniform int uTextureUsage0;
uniform sampler2D uTextureUnit0;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color = vVertexColor;
if (bool(uTextureUsage0))
{
Color *= texture2D(uTextureUnit0, vTextureCoord0);
// TODO: uAlphaRef should rather control sharpness of alpha, don't know how to do that right now and this works in most cases.
if (Color.a < uAlphaRef)
discard;
}
Color += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
Color = mix(FogColor, Color, FogFactor);
}
gl_FragColor = Color;
}

69
media/Shaders/TransparentAlphaChannelRef.fsh Normal file
View File

@ -0,0 +1,69 @@
#version 100
precision mediump float;
/* Uniforms */
uniform float uAlphaRef;
uniform int uTextureUsage0;
uniform sampler2D uTextureUnit0;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color = vVertexColor;
if (bool(uTextureUsage0))
Color *= texture2D(uTextureUnit0, vTextureCoord0);
if (Color.a < uAlphaRef)
discard;
Color += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
Color = mix(FogColor, Color, FogFactor);
}
gl_FragColor = Color;
}

64
media/Shaders/TransparentVertexAlpha.fsh Normal file
View File

@ -0,0 +1,64 @@
#version 100
precision mediump float;
/* Uniforms */
uniform int uTextureUsage0;
uniform sampler2D uTextureUnit0;
uniform int uFogEnable;
uniform int uFogType;
uniform vec4 uFogColor;
uniform float uFogStart;
uniform float uFogEnd;
uniform float uFogDensity;
/* Varyings */
varying vec2 vTextureCoord0;
varying vec4 vVertexColor;
varying vec4 vSpecularColor;
varying float vFogCoord;
float computeFog()
{
const float LOG2 = 1.442695;
float FogFactor = 0.0;
if (uFogType == 0) // Exp
{
FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
}
else if (uFogType == 1) // Linear
{
float Scale = 1.0 / (uFogEnd - uFogStart);
FogFactor = (uFogEnd - vFogCoord) * Scale;
}
else if (uFogType == 2) // Exp2
{
FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
}
FogFactor = clamp(FogFactor, 0.0, 1.0);
return FogFactor;
}
void main()
{
vec4 Color = vVertexColor;
if (bool(uTextureUsage0))
Color *= texture2D(uTextureUnit0, vTextureCoord0);
Color += vSpecularColor;
if (bool(uFogEnable))
{
float FogFactor = computeFog();
vec4 FogColor = uFogColor;
FogColor.a = 1.0;
Color = mix(FogColor, Color, FogFactor);
}
gl_FragColor = Color;
}