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move shaders to Shaders class

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This commit is contained in:
Anthony Calosa
2024-10-25 13:26:57 +08:00
parent cd82a74eb0
commit dcbd25d00e
15 changed files with 174 additions and 344 deletions
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16
forge-gui-android/assets/shaders/grayscale.frag
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@@ -1,16 +0,0 @@
#ifdef GL_ES
precision mediump float;
#endif
varying vec4 v_color;
varying vec2 v_texCoords;
uniform sampler2D u_texture;
uniform float u_grayness;
uniform float u_bias;
void main() {
vec4 c = v_color * texture2D(u_texture, v_texCoords);
float grey = dot( c.rgb, vec3(0.22, 0.707, 0.071) );
vec3 blendedColor = mix(c.rgb, vec3(grey), u_grayness);
gl_FragColor = mix(vec4(0.0, 0.0, 0.0, 1.0), vec4(blendedColor.rgb, c.a), u_bias);
}

14
forge-gui-android/assets/shaders/grayscale.vert
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@@ -1,14 +0,0 @@
attribute vec4 a_position;
attribute vec4 a_color;
attribute vec2 a_texCoord0;
uniform mat4 u_projTrans;
varying vec4 v_color;
varying vec2 v_texCoords;
void main() {
v_color = a_color;
v_texCoords = a_texCoord0;
gl_Position = u_projTrans * a_position;
}

40
forge-gui-android/assets/shaders/outline.frag
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@@ -1,40 +0,0 @@
#ifdef GL_ES
precision mediump float;
precision mediump int;
#endif
uniform sampler2D u_texture;
uniform vec2 u_viewportInverse;
uniform vec3 u_color;
uniform float u_offset;
uniform float u_step;
varying vec4 v_color;
varying vec2 v_texCoord;
#define ALPHA_VALUE_BORDER 0.5
void main() {
vec2 T = v_texCoord.xy;
float alpha = 0.0;
bool allin = true;
for( float ix = -u_offset; ix < u_offset; ix += u_step )
{
for( float iy = -u_offset; iy < u_offset; iy += u_step )
{
float newAlpha = texture2D(u_texture, T + vec2(ix, iy) * u_viewportInverse).a;
allin = allin && newAlpha > ALPHA_VALUE_BORDER;
if (newAlpha > ALPHA_VALUE_BORDER && newAlpha >= alpha)
{
alpha = newAlpha;
}
}
}
if (allin)
{
alpha = 0.0;
}
gl_FragColor = vec4(u_color,alpha);
}

16
forge-gui-android/assets/shaders/outline.vert
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@@ -1,16 +0,0 @@
uniform mat4 u_projTrans;
attribute vec4 a_position;
attribute vec2 a_texCoord0;
attribute vec4 a_color;
varying vec4 v_color;
varying vec2 v_texCoord;
uniform vec2 u_viewportInverse;
void main() {
gl_Position = u_projTrans * a_position;
v_texCoord = a_texCoord0;
v_color = a_color;
}

26
forge-gui-android/assets/shaders/underwater.frag
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@@ -1,26 +0,0 @@
#ifdef GL_ES
#define PRECISION mediump
precision PRECISION float;
precision PRECISION int;
#else
#define PRECISION
#endif
varying vec2 v_texCoords;
uniform sampler2D u_texture;
uniform float u_amount;
uniform float u_speed;
uniform float u_time;
uniform float u_bias;
void main () {
vec2 uv = v_texCoords;
uv.y += (cos((uv.y + (u_time * 0.04 * u_speed)) * 45.0) * 0.0019 * u_amount) + (cos((uv.y + (u_time * 0.1 * u_speed)) * 10.0) * 0.002 * u_amount);
uv.x += (sin((uv.y + (u_time * 0.07 * u_speed)) * 15.0) * 0.0029 * u_amount) + (sin((uv.y + (u_time * 0.1 * u_speed)) * 15.0) * 0.002 * u_amount);
vec4 texColor = texture2D(u_texture, uv);
gl_FragColor = mix(vec4(0.0, 0.0, 0.0, 1.0), texColor, u_bias);
}

57
forge-gui-android/assets/shaders/warp.frag
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@@ -1,57 +0,0 @@
#ifdef GL_ES
precision mediump float;
#endif
varying vec2 v_texCoords;
uniform sampler2D u_texture;
uniform float u_time;
uniform float u_speed;
uniform float u_amount;
uniform vec2 u_viewport;
uniform vec2 u_position;
float random2d(vec2 n) {
return fract(sin(dot(n, vec2(12.9898, 4.1414))) * 43758.5453);
}
float randomRange (in vec2 seed, in float min, in float max) {
return min + random2d(seed) * (max - min);
}
float insideRange(float v, float bottom, float top) {
return step(bottom, v) - step(top, v);
}
void main()
{
float time = floor(u_time * u_speed * 60.0);
vec3 outCol = texture2D(u_texture, v_texCoords).rgb;
float maxOffset = u_amount/2.0;
for (float i = 0.0; i < 2.0; i += 1.0) {
float sliceY = random2d(vec2(time, 2345.0 + float(i)));
float sliceH = random2d(vec2(time, 9035.0 + float(i))) * 0.25;
float hOffset = randomRange(vec2(time, 9625.0 + float(i)), -maxOffset, maxOffset);
vec2 uvOff = v_texCoords;
uvOff.x += hOffset;
if (insideRange(v_texCoords.y, sliceY, fract(sliceY+sliceH)) == 1.0){
outCol = texture2D(u_texture, uvOff).rgb;
}
}
float maxColOffset = u_amount / 6.0;
float rnd = random2d(vec2(time , 9545.0));
vec2 colOffset = vec2(randomRange(vec2(time , 9545.0), -maxColOffset, maxColOffset),
randomRange(vec2(time , 7205.0), -maxColOffset, maxColOffset));
if (rnd < 0.33) {
outCol.r = texture2D(u_texture, v_texCoords + colOffset).r;
} else if (rnd < 0.66) {
outCol.g = texture2D(u_texture, v_texCoords + colOffset).g;
} else {
outCol.b = texture2D(u_texture, v_texCoords + colOffset).b;
}
gl_FragColor = vec4(outCol, 1.0);
}