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Code Issues Releases Wiki Activity

Further improve rgbShift effect. Now can be enabled without chroma color.

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This commit is contained in:
Filippo Scognamiglio 2018-11-05 02:03:12 +01:00
parent 293b05fec6
commit 8b1a0a5b8e
2 changed files with 20 additions and 9 deletions
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1
app/qml/SettingsEffectsTab.qml
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@ -79,7 +79,6 @@ Tab{
name: qsTr("RGB Shift") name: qsTr("RGB Shift")
onNewValue: appSettings.rbgShift = newValue; onNewValue: appSettings.rbgShift = newValue;
value: appSettings.rbgShift; value: appSettings.rbgShift;
enabled: appSettings.chromaColor !== 0
} }
} }
} }

28
app/qml/ShaderTerminal.qml
View File

@ -45,7 +45,7 @@ ShaderEffect {
property real chromaColor: appSettings.chromaColor; property real chromaColor: appSettings.chromaColor;
property real rbgShift: (appSettings.rbgShift / width) * (appSettings.chromaColor !== 0 ? 1.0 : 0.0) property real rbgShift: (appSettings.rbgShift / width) * appSettings.fontScaling
property real flickering: appSettings.flickering property real flickering: appSettings.flickering
property real horizontalSync: appSettings.horizontalSync * 0.5 property real horizontalSync: appSettings.horizontalSync * 0.5
@ -115,9 +115,13 @@ ShaderEffect {
(!fallBack ? " (!fallBack ? "
uniform sampler2D noiseSource;" : "") + uniform sampler2D noiseSource;" : "") +
(!fallBack && rbgShift !== 0.0 ?"
varying lowp vec4 constantNoise;" : "") +
(!fallBack && flickering !== 0.0 ?" (!fallBack && flickering !== 0.0 ?"
varying lowp float brightness; varying lowp float brightness;
uniform lowp float flickering;" : "") + uniform lowp float flickering;" : "") +
(!fallBack && horizontalSync !== 0.0 ?" (!fallBack && horizontalSync !== 0.0 ?"
uniform lowp float horizontalSync; uniform lowp float horizontalSync;
varying lowp float distortionScale; varying lowp float distortionScale;
@ -129,9 +133,13 @@ ShaderEffect {
qt_TexCoord0.y = (qt_MultiTexCoord0.y - disp_top) / (1.0 - disp_top - disp_bottom); qt_TexCoord0.y = (qt_MultiTexCoord0.y - disp_top) / (1.0 - disp_top - disp_bottom);
vec2 coords = vec2(fract(time/(1024.0*2.0)), fract(time/(1024.0*1024.0)));" + vec2 coords = vec2(fract(time/(1024.0*2.0)), fract(time/(1024.0*1024.0)));" +
(!fallBack && (flickering !== 0.0 || horizontalSync !== 0.0) ? (!fallBack && (flickering !== 0.0 || horizontalSync !== 0.0 || rgbShift !== 0) ?
"vec4 initialNoiseTexel = texture2D(noiseSource, coords);" "vec4 initialNoiseTexel = texture2D(noiseSource, coords);"
: "") + : "") +
(!fallBack && rbgShift !== 0.0 ?"
constantNoise = initialNoiseTexel;" : "") +
(!fallBack && flickering !== 0.0 ? " (!fallBack && flickering !== 0.0 ? "
brightness = 1.0 + (initialNoiseTexel.g - 0.5) * flickering;" brightness = 1.0 + (initialNoiseTexel.g - 0.5) * flickering;"
: "") + : "") +
@ -199,6 +207,9 @@ ShaderEffect {
varying lowp float distortionScale; varying lowp float distortionScale;
varying lowp float distortionFreq;" : "") + varying lowp float distortionFreq;" : "") +
(!fallBack && rbgShift !== 0.0 ?"
varying lowp vec4 constantNoise;" : "") +
(glowingLine !== 0 ? " (glowingLine !== 0 ? "
float randomPass(vec2 coords){ float randomPass(vec2 coords){
return fract(smoothstep(-120.0, 0.0, coords.y - (virtual_resolution.y + 120.0) * fract(time * 0.00015))); return fract(smoothstep(-120.0, 0.0, coords.y - (virtual_resolution.y + 120.0) * fract(time * 0.00015)));
@ -229,6 +240,8 @@ ShaderEffect {
float distortionScale = step(0.0, randval) * randval * horizontalSync; float distortionScale = step(0.0, randval) * randval * horizontalSync;
float distortionFreq = mix(4.0, 40.0, initialNoiseTexel.g);" float distortionFreq = mix(4.0, 40.0, initialNoiseTexel.g);"
: "") + : "") +
(fallBack && rbgShift !== 0.0 ?"
lowp vec4 constantNoise = initialNoiseTexel;" : "") +
(staticNoise ? " (staticNoise ? "
float noise = staticNoise;" : "") + float noise = staticNoise;" : "") +
@ -270,14 +283,13 @@ ShaderEffect {
"txt_color *= min2(step(vec2(0.0), staticCoords) - step(vec2(1.0), staticCoords));" + "txt_color *= min2(step(vec2(0.0), staticCoords) - step(vec2(1.0), staticCoords));" +
(rbgShift !== 0 ? " (rbgShift !== 0 ? "
vec2 displacement = vec2(32.0, 0.0) * rbgShift * noiseTexel.r; vec2 displacement = vec2(12.0, 0.0) * rbgShift * (0.6 * constantNoise.r + 0.4);
vec3 rightColor = texture2D(source, txt_coords + displacement).rgb; vec3 rightColor = texture2D(source, txt_coords + displacement).rgb;
vec3 leftColor = texture2D(source, txt_coords - displacement).rgb; vec3 leftColor = texture2D(source, txt_coords - displacement).rgb;
vec3 rgbShiftColor = vec3(0.0); txt_color.r = leftColor.r * 0.25 + rightColor.r * 0.50 + txt_color.r * 0.25;
rgbShiftColor.r = leftColor.r * 0.15 + rightColor.r * 0.7 + txt_color.r * 0.15; txt_color.g = leftColor.g * 0.25 + rightColor.g * 0.25 + txt_color.g * 0.50;
rgbShiftColor.g = leftColor.g * 0.15 + rightColor.g * 0.15 + txt_color.g * 0.7; txt_color.b = leftColor.b * 0.50 + rightColor.b * 0.25 + txt_color.b * 0.25;
rgbShiftColor.b = leftColor.b * 0.7 + rightColor.b * 0.15 + txt_color.b * 0.15; " : "") +
txt_color = max(txt_color, (rgbShiftColor - txt_color));" : "") +
(burnIn !== 0 ? " (burnIn !== 0 ? "
vec4 txt_blur = texture2D(blurredSource, txt_coords); vec4 txt_blur = texture2D(blurredSource, txt_coords);