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Merge pull request #81 from taj-ny/develop
v1.3.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // Modified version of https://www.shadertoy.com/view/ldfSDj | ||
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| uniform bool roundTopLeftCorner; | ||
| uniform bool roundTopRightCorner; | ||
| uniform bool roundBottomLeftCorner; | ||
| uniform bool roundBottomRightCorner; | ||
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| uniform int topCornerRadius; | ||
| uniform int bottomCornerRadius; | ||
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| uniform float antialiasing; | ||
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| uniform vec2 regionSize; | ||
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| uniform sampler2D beforeBlurTexture; | ||
| uniform sampler2D afterBlurTexture; | ||
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| varying vec2 uv; | ||
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| float udRoundBox(vec2 p, vec2 b, vec2 fragCoord) | ||
| { | ||
| float radius = 0.0; | ||
| if ((fragCoord.y <= topCornerRadius) | ||
| && ((roundTopLeftCorner && fragCoord.x <= topCornerRadius) | ||
| || (roundTopRightCorner && fragCoord.x >= regionSize.x - topCornerRadius))) { | ||
| radius = topCornerRadius; | ||
| p.y -= radius; | ||
| } else if ((fragCoord.y >= regionSize.y - bottomCornerRadius) | ||
| && ((roundBottomLeftCorner && fragCoord.x <= bottomCornerRadius) | ||
| || (roundBottomRightCorner && fragCoord.x >= regionSize.x - bottomCornerRadius))) { | ||
| radius = bottomCornerRadius; | ||
| p.y += radius; | ||
| } | ||
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| return length(max(abs(p) - (b + vec2(0.0, radius)) + radius, 0.0)) - radius; | ||
| } | ||
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| void main(void) | ||
| { | ||
| vec2 halfRegionSize = regionSize * 0.5; | ||
| vec2 fragCoord = uv * regionSize; | ||
| float box = udRoundBox(fragCoord - halfRegionSize, halfRegionSize, fragCoord); | ||
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| // If antialiasing is 0, the shader will be used to generate corner masks. | ||
| vec3 foreground = vec3(1.0, 1.0, 1.0); | ||
| vec3 background = vec3(0.0, 0.0, 0.0); | ||
| if (antialiasing > 0.0) { | ||
| foreground = texture2D(afterBlurTexture, uv).rgb; | ||
| background = texture2D(beforeBlurTexture, uv).rgb; | ||
| } | ||
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| gl_FragColor = vec4(mix(foreground, background, smoothstep(0.0, antialiasing, box)), 1.0); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| #version 140 | ||
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| // Modified version of https://www.shadertoy.com/view/ldfSDj | ||
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| uniform bool roundTopLeftCorner; | ||
| uniform bool roundTopRightCorner; | ||
| uniform bool roundBottomLeftCorner; | ||
| uniform bool roundBottomRightCorner; | ||
|
|
||
| uniform int topCornerRadius; | ||
| uniform int bottomCornerRadius; | ||
|
|
||
| uniform float antialiasing; | ||
|
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| uniform vec2 regionSize; | ||
|
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| uniform sampler2D beforeBlurTexture; | ||
| uniform sampler2D afterBlurTexture; | ||
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| in vec2 uv; | ||
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| out vec4 fragColor; | ||
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| float udRoundBox(vec2 p, vec2 b, vec2 fragCoord) | ||
| { | ||
| float radius = 0.0; | ||
| if ((fragCoord.y <= topCornerRadius) | ||
| && ((roundTopLeftCorner && fragCoord.x <= topCornerRadius) | ||
| || (roundTopRightCorner && fragCoord.x >= regionSize.x - topCornerRadius))) { | ||
| radius = topCornerRadius; | ||
| p.y -= radius; | ||
| } else if ((fragCoord.y >= regionSize.y - bottomCornerRadius) | ||
| && ((roundBottomLeftCorner && fragCoord.x <= bottomCornerRadius) | ||
| || (roundBottomRightCorner && fragCoord.x >= regionSize.x - bottomCornerRadius))) { | ||
| radius = bottomCornerRadius; | ||
| p.y += radius; | ||
| } | ||
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| return length(max(abs(p) - (b + vec2(0.0, radius)) + radius, 0.0)) - radius; | ||
| } | ||
|
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| void main(void) | ||
| { | ||
| vec2 halfRegionSize = regionSize * 0.5; | ||
| vec2 fragCoord = uv * regionSize; | ||
| float box = udRoundBox(fragCoord - halfRegionSize, halfRegionSize, fragCoord); | ||
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| // If antialiasing is 0, the shader will be used to generate corner masks. | ||
| vec3 foreground = vec3(1.0, 1.0, 1.0); | ||
| vec3 background = vec3(0.0, 0.0, 0.0); | ||
| if (antialiasing > 0.0) { | ||
| foreground = texture(afterBlurTexture, uv).rgb; | ||
| background = texture(beforeBlurTexture, uv).rgb; | ||
| } | ||
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| fragColor = vec4(mix(foreground, background, smoothstep(0.0, antialiasing, box)), 1.0); | ||
| } |
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