From: numzero Date: Sat, 25 Mar 2023 08:05:40 +0000 (+0300) Subject: Add shaders for COpenGL3DriverBase X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=28d0e0644cea3ba03f52980be26f5b178d13561f;p=irrlicht.git Add shaders for COpenGL3DriverBase Currently, they are identical to OGLES2 shaders, except of version specification. --- diff --git a/media/Shaders/DetailMap.fsh b/media/Shaders/DetailMap.fsh new file mode 100644 index 0000000..01c94d7 --- /dev/null +++ b/media/Shaders/DetailMap.fsh @@ -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; +} diff --git a/media/Shaders/LightmapAdd.fsh b/media/Shaders/LightmapAdd.fsh new file mode 100644 index 0000000..895625f --- /dev/null +++ b/media/Shaders/LightmapAdd.fsh @@ -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; +} diff --git a/media/Shaders/LightmapModulate.fsh b/media/Shaders/LightmapModulate.fsh new file mode 100644 index 0000000..74e9df1 --- /dev/null +++ b/media/Shaders/LightmapModulate.fsh @@ -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; +} diff --git a/media/Shaders/OneTextureBlend.fsh b/media/Shaders/OneTextureBlend.fsh new file mode 100644 index 0000000..c348016 --- /dev/null +++ b/media/Shaders/OneTextureBlend.fsh @@ -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; +} diff --git a/media/Shaders/Reflection2Layer.fsh b/media/Shaders/Reflection2Layer.fsh new file mode 100644 index 0000000..bdc3c66 --- /dev/null +++ b/media/Shaders/Reflection2Layer.fsh @@ -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; +} diff --git a/media/Shaders/Reflection2Layer.vsh b/media/Shaders/Reflection2Layer.vsh new file mode 100644 index 0000000..aafac22 --- /dev/null +++ b/media/Shaders/Reflection2Layer.vsh @@ -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); +} diff --git a/media/Shaders/Renderer2D.fsh b/media/Shaders/Renderer2D.fsh new file mode 100644 index 0000000..89aef7e --- /dev/null +++ b/media/Shaders/Renderer2D.fsh @@ -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; +} diff --git a/media/Shaders/Renderer2D.vsh b/media/Shaders/Renderer2D.vsh new file mode 100644 index 0000000..9142148 --- /dev/null +++ b/media/Shaders/Renderer2D.vsh @@ -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; +} diff --git a/media/Shaders/Renderer2D_noTex.fsh b/media/Shaders/Renderer2D_noTex.fsh new file mode 100644 index 0000000..6000972 --- /dev/null +++ b/media/Shaders/Renderer2D_noTex.fsh @@ -0,0 +1,11 @@ +#version 100 + +precision mediump float; + +/* Varyings */ +varying vec4 vVertexColor; + +void main() +{ + gl_FragColor = vVertexColor; +} diff --git a/media/Shaders/Solid.fsh b/media/Shaders/Solid.fsh new file mode 100644 index 0000000..df1010e --- /dev/null +++ b/media/Shaders/Solid.fsh @@ -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; +} diff --git a/media/Shaders/Solid.vsh b/media/Shaders/Solid.vsh new file mode 100644 index 0000000..98d0dae --- /dev/null +++ b/media/Shaders/Solid.vsh @@ -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); +} diff --git a/media/Shaders/Solid2.vsh b/media/Shaders/Solid2.vsh new file mode 100644 index 0000000..c49ecfc --- /dev/null +++ b/media/Shaders/Solid2.vsh @@ -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); +} diff --git a/media/Shaders/Solid2Layer.fsh b/media/Shaders/Solid2Layer.fsh new file mode 100644 index 0000000..3c8a39d --- /dev/null +++ b/media/Shaders/Solid2Layer.fsh @@ -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; + +} diff --git a/media/Shaders/SphereMap.fsh b/media/Shaders/SphereMap.fsh new file mode 100644 index 0000000..df1010e --- /dev/null +++ b/media/Shaders/SphereMap.fsh @@ -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; +} diff --git a/media/Shaders/SphereMap.vsh b/media/Shaders/SphereMap.vsh new file mode 100644 index 0000000..5062d79 --- /dev/null +++ b/media/Shaders/SphereMap.vsh @@ -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); +} diff --git a/media/Shaders/TransparentAlphaChannel.fsh b/media/Shaders/TransparentAlphaChannel.fsh new file mode 100644 index 0000000..cef349a --- /dev/null +++ b/media/Shaders/TransparentAlphaChannel.fsh @@ -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; +} diff --git a/media/Shaders/TransparentAlphaChannelRef.fsh b/media/Shaders/TransparentAlphaChannelRef.fsh new file mode 100644 index 0000000..fab4eee --- /dev/null +++ b/media/Shaders/TransparentAlphaChannelRef.fsh @@ -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; +} diff --git a/media/Shaders/TransparentVertexAlpha.fsh b/media/Shaders/TransparentVertexAlpha.fsh new file mode 100644 index 0000000..df1010e --- /dev/null +++ b/media/Shaders/TransparentVertexAlpha.fsh @@ -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; +}