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style: cleaned up rounded corner shader

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This commit is contained in:
Will McKinnon 2022-10-26 01:19:02 -04:00
parent e6cb4e9fa0
commit ed130cdacc
1 changed files with 4 additions and 8 deletions
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12
include/sway/desktop/shaders.h
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@ -123,24 +123,20 @@ const GLchar corner_fragment_src[] =
"}\n" "}\n"
"\n" "\n"
"void main() {\n" "void main() {\n"
" gl_FragColor = v_color;\n"
" vec2 center = gl_FragCoord.xy - position - half_size;\n" " vec2 center = gl_FragCoord.xy - position - half_size;\n"
" float distance = roundedBoxSDF(center, half_size - half_thickness, radius + half_thickness);\n" " float distance = roundedBoxSDF(center, half_size - half_thickness, radius + half_thickness);\n"
" float smoothedAlphaOuter = 1.0 - smoothstep(-1.0, 1.0, distance - half_thickness);\n" " float smoothedAlphaOuter = 1.0 - smoothstep(-1.0, 1.0, distance - half_thickness);\n"
// Create an inner circle that isn't as anti-aliased as the outer ring // Create an inner circle that isn't as anti-aliased as the outer ring
" float smoothedAlphaInner = 1.0 - smoothstep(-1.0, 0.5, distance + half_thickness);\n" " float smoothedAlphaInner = 1.0 - smoothstep(-1.0, 0.5, distance + half_thickness);\n"
" gl_FragColor = mix(vec4(0), gl_FragColor, smoothedAlphaOuter - smoothedAlphaInner);\n" " gl_FragColor = mix(vec4(0), v_color, smoothedAlphaOuter - smoothedAlphaInner);\n"
"\n" "\n"
" if (is_top_left && (center.y > 0.0 || center.x > 0.0)) {\n" " if (is_top_left && (center.y > 0.0 || center.x > 0.0)) {\n"
" discard;\n" " discard;\n"
" }\n" " } else if (is_top_right && (center.y > 0.0 || center.x < 0.0)) {\n"
" else if (is_top_right && (center.y > 0.0 || center.x < 0.0)) {\n"
" discard;\n" " discard;\n"
" }\n" " } else if (is_bottom_left && (center.y < 0.0 || center.x > 0.0)) {\n"
" else if (is_bottom_left && (center.y < 0.0 || center.x > 0.0)) {\n"
" discard;\n" " discard;\n"
" }\n" " } else if (is_bottom_right && (center.y < 0.0 || center.x < 0.0)) {\n"
" else if (is_bottom_right && (center.y < 0.0 || center.x < 0.0)) {\n"
" discard;\n" " discard;\n"
" }\n" " }\n"
"}\n"; "}\n";