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shader updates

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This commit is contained in:
minjaesong
2023-02-28 17:18:22 +09:00
parent 8d7a62f796
commit 315b984d3b
34 changed files with 212 additions and 143 deletions
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13
src/shaders/postproc_dither.frag
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@@ -3,7 +3,7 @@
* http://momentsingraphics.de/BlueNoise.html
*/
#version 130
#version 150
#ifdef GL_ES
precision mediump float;
#endif
@@ -17,8 +17,9 @@ vec4 gammaOut(vec4 col) {
return pow(col, vec4(1.0 / 2.2));
}
varying vec4 v_color; // unused!
varying vec2 v_texCoords;
in vec4 v_color; // unused!
in vec2 v_texCoords;
uniform sampler2D u_texture;
uniform sampler2D u_pattern;
uniform ivec2 rnd = ivec2(0,0);
@@ -30,6 +31,8 @@ uniform mat4 swizzler = mat4(
);
uniform float quant = 255.0; // 64 steps -> 63.0; 256 steps -> 255.0
out vec4 fragColor;
vec2 boolean = vec2(0.0, 1.0);
vec4 matrixNormaliser = vec4(0.5 / 256.0);
@@ -78,8 +81,8 @@ void main(void) {
vec4 selvec = getDitherredDot(graded);
vec4 outcol = selvec * boolean.yyyx + boolean.xxxy; // use quantised RGB but not the A
gl_FragColor = outcol;
fragColor = outcol;
// ivec4 bytes = ivec4(255.0 * outcol);
// ivec4 mask = ivec4(0x55);
// gl_FragColor = (bytes ^ mask) / 255.0;
// fragColor = (bytes ^ mask) / 255.0;
}