seeseemelk/cool-retro-term
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Great preprocessiong optimizations. Simpler code and big performance improvements.

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Filippo Scognamiglio
2014-09-13 22:18:11 +02:00
parent eb413f79e4
commit 67ea080c2e
2 changed files with 84 additions and 81 deletions
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31
app/qml/ShaderTerminal.qml
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@@ -41,7 +41,6 @@ ShaderEffect {
property real glowing_line_strength: shadersettings.glowing_line_strength
property real chroma_color: shadersettings.chroma_color;
property real saturation_color: shadersettings.saturation_color;
property real rgb_shift: shadersettings.rgb_shift * 0.2
@@ -136,7 +135,7 @@ ShaderEffect {
uniform lowp float bloom_strength;" : "") +
(noise_strength !== 0 ? "
uniform highp float noise_strength;" : "") +
(noise_strength !== 0 || jitter !== 0 ? "
(noise_strength !== 0 || jitter !== 0 || rgb_shift ? "
uniform lowp sampler2D noiseSource;" : "") +
(screen_distorsion !== 0 ? "
uniform highp float screen_distorsion;" : "") +
@@ -202,26 +201,24 @@ ShaderEffect {
(glowing_line_strength !== 0 ? "
color += randomPass(coords) * glowing_line_strength;" : "") +
"vec3 txt_color = texture2D(source, txt_coords).rgb;
float greyscale_color = rgb2grey(txt_color) + color;" +
(chroma_color !== 0 ?
(rgb_shift !== 0 ? "
float rgb_noise = abs(texture2D(noiseSource, vec2(fract(time/(1024.0 * 256.0)), fract(time/(1024.0*1024.0)))).a - 0.5);
vec4 realBackColor = texture2D(source, txt_coords);
vec2 rcolor = texture2D(source, txt_coords + vec2(0.1, 0.0) * rgb_shift * rgb_noise).ra;
vec2 bcolor = texture2D(source, txt_coords - vec2(0.1, 0.0) * rgb_shift * rgb_noise).ba;
realBackColor.r = rcolor.x;
realBackColor.b = bcolor.x;
realBackColor.a = 0.33 * (realBackColor.a + rcolor.y + bcolor.y);"
:
"vec4 realBackColor = texture2D(source, txt_coords);") +
float rcolor = texture2D(source, txt_coords + vec2(0.1, 0.0) * rgb_shift * rgb_noise).r;
float bcolor = texture2D(source, txt_coords - vec2(0.1, 0.0) * rgb_shift * rgb_noise).b;
txt_color.r = rcolor;
txt_color.b = bcolor;
greyscale_color = 0.33 * (rcolor + bcolor);" : "") +
"vec4 mixedColor = mix(font_color, realBackColor * font_color, chroma_color);" +
"vec4 finalBackColor = mix(background_color, mixedColor, realBackColor.a);" +
"vec3 finalColor = mix(finalBackColor, font_color, color).rgb;"
"vec3 mixedColor = mix(font_color.rgb, txt_color * font_color.rgb, chroma_color);
vec3 finalBackColor = mix(background_color.rgb, mixedColor, greyscale_color);
vec3 finalColor = mix(finalBackColor, font_color.rgb, color).rgb;"
:
"color += texture2D(source, txt_coords).a;" +
"vec3 finalColor = mix(background_color, font_color, color).rgb;"
) +
"vec3 finalColor = mix(background_color.rgb, font_color.rgb, greyscale_color);") +
"finalColor *= texture2D(rasterizationSource, coords).a;" +