deon/glava
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added circle module, demonstration, changed default configuration values

Browse Source
This commit is contained in:
Jarcode
2018-02-04 20:03:22 -08:00
parent b6a54a9c0a
commit 6c401cbe93
11 changed files with 197 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
shaders/circle/2.frag Normal file
View File

@@ -0,0 +1,30 @@
in vec4 gl_FragCoord;
#request uniform "prev" tex
uniform sampler2D tex; /* screen texture */
out vec4 fragment; /* output */
#include ":circle.glsl"
void main() {
fragment = texelFetch(tex, ivec2(gl_FragCoord.x, gl_FragCoord.y), 0);
#if C_SMOOTH > 0
vec4
a0 = texelFetch(tex, ivec2((gl_FragCoord.x + 1), (gl_FragCoord.y + 0)), 0),
a1 = texelFetch(tex, ivec2((gl_FragCoord.x + 1), (gl_FragCoord.y + 1)), 0),
a2 = texelFetch(tex, ivec2((gl_FragCoord.x + 0), (gl_FragCoord.y + 1)), 0),
a3 = texelFetch(tex, ivec2((gl_FragCoord.x + 1), (gl_FragCoord.y + 0)), 0),
a4 = texelFetch(tex, ivec2((gl_FragCoord.x - 1), (gl_FragCoord.y - 0)), 0),
a5 = texelFetch(tex, ivec2((gl_FragCoord.x - 1), (gl_FragCoord.y - 1)), 0),
a6 = texelFetch(tex, ivec2((gl_FragCoord.x - 0), (gl_FragCoord.y - 1)), 0),
a7 = texelFetch(tex, ivec2((gl_FragCoord.x - 1), (gl_FragCoord.y - 0)), 0);
vec4 avg = (a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7) / 8.0;
if (fragment.a == 0) {
fragment = avg;
}
#endif
}