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      1 #version 140
      2 /* texture - bias variants */
      3  vec4 texture( sampler1D sampler, float P, float bias);
      4 ivec4 texture(isampler1D sampler, float P, float bias);
      5 uvec4 texture(usampler1D sampler, float P, float bias);
      6 
      7  vec4 texture( sampler2D sampler, vec2 P, float bias);
      8 ivec4 texture(isampler2D sampler, vec2 P, float bias);
      9 uvec4 texture(usampler2D sampler, vec2 P, float bias);
     10 
     11  vec4 texture( sampler3D sampler, vec3 P, float bias);
     12 ivec4 texture(isampler3D sampler, vec3 P, float bias);
     13 uvec4 texture(usampler3D sampler, vec3 P, float bias);
     14 
     15  vec4 texture( samplerCube sampler, vec3 P, float bias);
     16 ivec4 texture(isamplerCube sampler, vec3 P, float bias);
     17 uvec4 texture(usamplerCube sampler, vec3 P, float bias);
     18 
     19 float texture(sampler1DShadow   sampler, vec3 P, float bias);
     20 float texture(sampler2DShadow   sampler, vec3 P, float bias);
     21 float texture(samplerCubeShadow sampler, vec4 P, float bias);
     22 
     23  vec4 texture( sampler1DArray sampler, vec2 P, float bias);
     24 ivec4 texture(isampler1DArray sampler, vec2 P, float bias);
     25 uvec4 texture(usampler1DArray sampler, vec2 P, float bias);
     26 
     27  vec4 texture( sampler2DArray sampler, vec3 P, float bias);
     28 ivec4 texture(isampler2DArray sampler, vec3 P, float bias);
     29 uvec4 texture(usampler2DArray sampler, vec3 P, float bias);
     30 
     31 float texture(sampler1DArrayShadow sampler, vec3 P, float bias);
     32 
     33 /* textureProj - bias variants */
     34  vec4 textureProj( sampler1D sampler, vec2 P, float bias);
     35 ivec4 textureProj(isampler1D sampler, vec2 P, float bias);
     36 uvec4 textureProj(usampler1D sampler, vec2 P, float bias);
     37  vec4 textureProj( sampler1D sampler, vec4 P, float bias);
     38 ivec4 textureProj(isampler1D sampler, vec4 P, float bias);
     39 uvec4 textureProj(usampler1D sampler, vec4 P, float bias);
     40 
     41  vec4 textureProj( sampler2D sampler, vec3 P, float bias);
     42 ivec4 textureProj(isampler2D sampler, vec3 P, float bias);
     43 uvec4 textureProj(usampler2D sampler, vec3 P, float bias);
     44  vec4 textureProj( sampler2D sampler, vec4 P, float bias);
     45 ivec4 textureProj(isampler2D sampler, vec4 P, float bias);
     46 uvec4 textureProj(usampler2D sampler, vec4 P, float bias);
     47 
     48  vec4 textureProj( sampler3D sampler, vec4 P, float bias);
     49 ivec4 textureProj(isampler3D sampler, vec4 P, float bias);
     50 uvec4 textureProj(usampler3D sampler, vec4 P, float bias);
     51 
     52 float textureProj(sampler1DShadow sampler, vec4 P, float bias);
     53 float textureProj(sampler2DShadow sampler, vec4 P, float bias);
     54 
     55 /* textureOffset - bias variants */
     56  vec4 textureOffset( sampler1D sampler, float P, int offset, float bias);
     57 ivec4 textureOffset(isampler1D sampler, float P, int offset, float bias);
     58 uvec4 textureOffset(usampler1D sampler, float P, int offset, float bias);
     59 
     60  vec4 textureOffset( sampler2D sampler, vec2 P, ivec2 offset, float bias);
     61 ivec4 textureOffset(isampler2D sampler, vec2 P, ivec2 offset, float bias);
     62 uvec4 textureOffset(usampler2D sampler, vec2 P, ivec2 offset, float bias);
     63 
     64  vec4 textureOffset( sampler3D sampler, vec3 P, ivec3 offset, float bias);
     65 ivec4 textureOffset(isampler3D sampler, vec3 P, ivec3 offset, float bias);
     66 uvec4 textureOffset(usampler3D sampler, vec3 P, ivec3 offset, float bias);
     67 
     68 float textureOffset(sampler1DShadow sampler, vec3 P, int offset, float bias);
     69 float textureOffset(sampler2DShadow sampler, vec3 P, ivec2 offset, float bias);
     70 
     71  vec4 textureOffset( sampler1DArray sampler, vec2 P, int offset, float bias);
     72 ivec4 textureOffset(isampler1DArray sampler, vec2 P, int offset, float bias);
     73 uvec4 textureOffset(usampler1DArray sampler, vec2 P, int offset, float bias);
     74 
     75  vec4 textureOffset( sampler2DArray sampler, vec3 P, ivec2 offset, float bias);
     76 ivec4 textureOffset(isampler2DArray sampler, vec3 P, ivec2 offset, float bias);
     77 uvec4 textureOffset(usampler2DArray sampler, vec3 P, ivec2 offset, float bias);
     78 
     79 float textureOffset(sampler1DArrayShadow samp, vec3 P, int offset, float bias);
     80 
     81 /* textureProjOffsetOffset - bias variants */
     82  vec4 textureProjOffset( sampler1D sampler, vec2 P, int offset, float bias);
     83 ivec4 textureProjOffset(isampler1D sampler, vec2 P, int offset, float bias);
     84 uvec4 textureProjOffset(usampler1D sampler, vec2 P, int offset, float bias);
     85  vec4 textureProjOffset( sampler1D sampler, vec4 P, int offset, float bias);
     86 ivec4 textureProjOffset(isampler1D sampler, vec4 P, int offset, float bias);
     87 uvec4 textureProjOffset(usampler1D sampler, vec4 P, int offset, float bias);
     88 
     89  vec4 textureProjOffset( sampler2D sampler, vec3 P, ivec2 offset, float bias);
     90 ivec4 textureProjOffset(isampler2D sampler, vec3 P, ivec2 offset, float bias);
     91 uvec4 textureProjOffset(usampler2D sampler, vec3 P, ivec2 offset, float bias);
     92  vec4 textureProjOffset( sampler2D sampler, vec4 P, ivec2 offset, float bias);
     93 ivec4 textureProjOffset(isampler2D sampler, vec4 P, ivec2 offset, float bias);
     94 uvec4 textureProjOffset(usampler2D sampler, vec4 P, ivec2 offset, float bias);
     95 
     96  vec4 textureProjOffset( sampler3D sampler, vec4 P, ivec3 offset, float bias);
     97 ivec4 textureProjOffset(isampler3D sampler, vec4 P, ivec3 offset, float bias);
     98 uvec4 textureProjOffset(usampler3D sampler, vec4 P, ivec3 offset, float bias);
     99 
    100 float textureProjOffset(sampler1DShadow s, vec4 P, int offset, float bias);
    101 float textureProjOffset(sampler2DShadow s, vec4 P, ivec2 offset, float bias);
    102 
    103 /*
    104  * The following texture functions are deprecated:
    105  */
    106 vec4 texture1D       (sampler1D sampler, float coord, float bias);
    107 vec4 texture1DProj   (sampler1D sampler, vec2  coord, float bias);
    108 vec4 texture1DProj   (sampler1D sampler, vec4  coord, float bias);
    109 
    110 vec4 texture2D       (sampler2D sampler, vec2 coord, float bias);
    111 vec4 texture2DProj   (sampler2D sampler, vec3 coord, float bias);
    112 vec4 texture2DProj   (sampler2D sampler, vec4 coord, float bias);
    113 
    114 vec4 texture3D       (sampler3D sampler, vec3 coord, float bias);
    115 vec4 texture3DProj   (sampler3D sampler, vec4 coord, float bias);
    116 
    117 vec4 textureCube     (samplerCube sampler, vec3 coord, float bias);
    118 
    119 vec4 shadow1D       (sampler1DShadow sampler, vec3 coord, float bias);
    120 vec4 shadow2D       (sampler2DShadow sampler, vec3 coord, float bias);
    121 vec4 shadow1DProj   (sampler1DShadow sampler, vec4 coord, float bias);
    122 vec4 shadow2DProj   (sampler2DShadow sampler, vec4 coord, float bias);
    123 
    124 /*
    125  * 8.8 - Fragment Processing Functions
    126  */
    127 float dFdx(float p);
    128 vec2  dFdx(vec2  p);
    129 vec3  dFdx(vec3  p);
    130 vec4  dFdx(vec4  p);
    131 
    132 float dFdy(float p);
    133 vec2  dFdy(vec2  p);
    134 vec3  dFdy(vec3  p);
    135 vec4  dFdy(vec4  p);
    136 
    137 float fwidth(float p);
    138 vec2  fwidth(vec2  p);
    139 vec3  fwidth(vec3  p);
    140 vec4  fwidth(vec4  p);
    141