opengl: sampler: specify sampler?D precision
Fixes the following error on GLES2 when using libplacebo shaders.
[00007fe3cc815910] gl generic error: Shader source:
1: #version 300 es
2: precision highp float;
3: uniform sampler2D Textures[3];
4: uniform mat3 _2;
5: uniform mat3 _3;
6: uniform mat3 _4;
7: uniform float _a;
8: uniform float _b;
9: uniform mat3 _19;
10: uniform sampler2D _6;
11: uniform sampler3D _d;
12:
13: const float _8 = float(0.001953125);
14: const float _9 = float(0.99609375);
15: #define _7(x) (_9 * (x) + _8)
16: #define _5(pos) (textureLod(_6, vec2(\
17: _7(float(pos))\
18: ,0.5\
19: ), 0.0).x)
20: const float _f = float(0.010416666977107525);
21: const float _10 = float(0.9791666269302368);
22: #define _e(x) (_10 * (x) + _f)
23: const float _12 = float(0.015625);
24: const float _13 = float(0.96875);
25: #define _11(x) (_13 * (x) + _12)
26: const float _15 = float(0.001953125);
27: const float _16 = float(0.99609375);
28: #define _14(x) (_16 * (x) + _15)
29: #define _c(pos) (textureLod(_d, vec3(\
30: _e(vec3(pos).x)\
31: ,_11(vec3(pos).y)\
32: ,_14(vec3(pos).z)\
33: ), 0.0).xyzw)
34: const float _17 = float(-0.16753844916820526);
35: const float _18 = float(2.0106043815612793);
36: const float _1a = float(0.0595848374068737);
37: const float _1b = float(1.149015188217163);
38: vec4 _1(vec4 color) {
39: // pl_shader_color_map
40: {
41: // pl_shader_linearize
42: color.rgb = max(color.rgb, 0.0);
43: color.rgb = pow(color.rgb, vec3(1.0/78.84375));
44: color.rgb = max(color.rgb - vec3(0.8359375), 0.0)
45: / (vec3(18.8515625) - vec3(18.6875) * color.rgb);
46: color.rgb = pow(color.rgb, vec3(1.0/0.1593017578125));
47: color.rgb *= vec3(49.26108374384236);
48: vec3 lms = _4 * color.rgb;
49: vec3 lmspq = 0.0203000009059906 * lms;
50: lmspq = pow(max(lmspq, 0.0), vec3(0.1593017578125));
51: lmspq = (vec3(0.8359375) + 18.8515625 * lmspq)
52: / (vec3(1.0) + 18.6875 * lmspq);
53: lmspq = pow(lmspq, vec3(78.84375));
54: vec3 ipt = _2 * lmspq;
55: float i_orig = ipt.x;
56: #define tone_map(x) (_5(_b * (x) + _a))
57: ipt.x = tone_map(ipt.x);
58: vec2 hull = vec2(i_orig, ipt.x);
59: hull = ((hull - 6.0) * hull + 9.0) * hull;
60: ipt.yz *= min(i_orig / ipt.x, hull.y / hull.x);
61: vec3 idx;
62: idx.x = _18 * ipt.x + _17;
63: idx.y = 2.0 * length(ipt.yz);
64: idx.z = 0.15915494309189535 * atan(ipt.z, ipt.y) + 0.5;
65: ipt = _c(idx).xyz;
66: ipt.yz -= vec2(32768.0/65535.0);
67: lmspq = _3 * ipt;
68: lms = pow(max(lmspq, 0.0), vec3(1.0/78.84375));
69: lms = max(lms - vec3(0.8359375), 0.0)
70: / (vec3(18.8515625) - 18.6875 * lms);
71: lms = pow(lms, vec3(1.0/0.1593017578125));
72: lms *= 49.261085510253906;
73: color.rgb = _19 * lms;
74: #undef tone_map
75: // pl_shader_delinearize
76: color.rgb = max(color.rgb, 0.0);
77: color.rgb = pow(_1b * color.rgb, vec3(1.0/2.4)) - vec3(_1a);
78: }
79: return color;
80: }
81:
82: uniform mat4 ConvMatrix;
83: vec4 vlc_texture(vec2 tex_coords) {
84: vec4 pixel = vec4(
85: texture(Textures[0], tex_coords).r
86: , texture(Textures[1], tex_coords).r
87: , texture(Textures[2], tex_coords).r
88: , 1.0);
89: vec4 result = ConvMatrix * pixel;
90: result = _1(result);
91: return result;
92: }
93: #if __VERSION__ < 300
94: #define FragColor gl_FragColor
95: varying vec2 PicCoords;
96: #else
97: in vec2 PicCoords;
98: out vec4 FragColor;
99: #endif
100: void main() {
101: FragColor = vlc_texture(PicCoords);
102: }
[00007fe3cc815910] gl generic error: shader: 0:11(1): error: No precision specified in this scope for type `sampler3D'
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