Emulator-Archive/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2024-11-23 05:19:56 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Slightly improves scanlines

Browse Source
This commit is contained in:
danyalzia 2013-10-28 20:01:38 +05:00
parent 0471a8c886
commit 6947261488
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
assets/shaders/scanlines.fsh
View File

@ -8,18 +8,17 @@ precision mediump int;
uniform sampler2D sampler0;
varying vec2 v_texcoord0;
float offset = 1.0;
float frequency = 166.0;
float amount = 1.0; // suitable range = 0.0 - 1.0
float intensity = 0.5; // suitable range = 0.0 - 1.0
void main()
{
float pos0 = (v_texcoord0.y + offset) * frequency;
float pos1 = cos((fract( pos0 ) - 0.5)*3.1415926);
vec4 pel = texture2D( sampler0, v_texcoord0 );
float pos0 = ((v_texcoord0.y + 1.0) * 170.0*amount);
float pos1 = cos((fract( pos0 ) - 0.5)*3.1415926*intensity)*1.5;
vec4 rgb = texture2D( sampler0, v_texcoord0 );
// slight contrast curve
vec4 color = pel*0.5+0.5*pel*pel*1.2;
color *= 2.0;
vec4 color = rgb*0.5+0.5*rgb*rgb*1.2;
// color tint
color *= vec4(0.9,1.0,0.7, 0.0);