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author | Sergeanur <s.anureev@yandex.ua> | 2021-01-21 22:11:36 +0100 |
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committer | Sergeanur <s.anureev@yandex.ua> | 2021-01-21 22:11:36 +0100 |
commit | e8db0e3abb52c465d842133c09ea320a820e3121 (patch) | |
tree | cf5a011373899891c6a191f024839a29d018d8fb /src/extras/shaders/leedsDefault.frag | |
parent | More fonts (diff) | |
parent | Merge remote-tracking branch 'origin/miami' into lcs (diff) | |
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Diffstat (limited to 'src/extras/shaders/leedsDefault.frag')
-rw-r--r-- | src/extras/shaders/leedsDefault.frag | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/extras/shaders/leedsDefault.frag b/src/extras/shaders/leedsDefault.frag new file mode 100644 index 00000000..3955e6a5 --- /dev/null +++ b/src/extras/shaders/leedsDefault.frag @@ -0,0 +1,48 @@ +uniform sampler2D tex0; +uniform sampler2D tex1; + +uniform float u_fxparams; +uniform vec4 u_colorscale; + +#define shininess (u_fxparams) + +FSIN vec4 v_color; +FSIN vec2 v_tex0; +#if defined(PASS_BLEND) || defined(PASS_ADD) +FSIN vec2 v_tex1; +#endif +FSIN float v_fog; + +void +main(void) +{ + vec4 pass1 = v_color*texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y))*u_colorscale; + pass1.rgb = clamp(pass1.rgb, 0.0, 1.0); + pass1.rgb = mix(u_fogColor.rgb, pass1.rgb, v_fog); + + vec4 color; +#if defined(PASS_BLEND) || defined(PASS_ADD) + vec4 pass2 = texture(tex1, vec2(v_tex1.x, 1.0-v_tex1.y)); + pass2.a *= shininess; + pass2.rgb = mix(vec3(0.0, 0.0, 0.0), pass2.rgb, v_fog); + + // We simulate drawing this in two passes. +#if defined(PASS_ADD) + // First pass with standard blending, second with addition + // We premultiply alpha so render state should be one. + color.rgb = pass1.rgb*pass1.a + pass2.rgb*pass2.a; + color.a = pass1.a; +#elif defined(PASS_BLEND) + // We premultiply alpha so render state should be one. + color.rgb = pass1.rgb*pass1.a*(1.0-pass2.a) + pass2.rgb*pass2.a; + color.a = pass1.a*(1.0-pass2.a) + pass2.a; +#endif + +#else + color = pass1; +#endif + + DoAlphaTest(color.a); + + FRAGCOLOR(color); +} |