diff options
Diffstat (limited to 'source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_glow_prepare_frag.glsl')
-rw-r--r-- | source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_glow_prepare_frag.glsl | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_glow_prepare_frag.glsl b/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_glow_prepare_frag.glsl index 9cdcad3e486..676b9b05db9 100644 --- a/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_glow_prepare_frag.glsl +++ b/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_glow_prepare_frag.glsl @@ -14,55 +14,55 @@ uniform int mode; out vec4 FragColor; -#define MODE_LUMINANCE 0 -#define MODE_COLOR 1 +#define MODE_LUMINANCE 0 +#define MODE_COLOR 1 /* calc luminance */ -float luma( vec3 color ) { - /* the color is linear, so do not apply tonemapping */ - return (color.r + color.g + color.b) / 3.0; +float luma(vec3 color) +{ + /* the color is linear, so do not apply tonemapping */ + return (color.r + color.g + color.b) / 3.0; } bool check_color(vec3 color_a, vec3 color_b) { - /* need round the number to avoid precision errors */ - if ((floor(color_a.r * 100) == floor(color_b.r * 100)) && - (floor(color_a.g * 100) == floor(color_b.g * 100)) && - (floor(color_a.b * 100) == floor(color_b.b * 100))) - { - return true; - } + /* need round the number to avoid precision errors */ + if ((floor(color_a.r * 100) == floor(color_b.r * 100)) && + (floor(color_a.g * 100) == floor(color_b.g * 100)) && + (floor(color_a.b * 100) == floor(color_b.b * 100))) { + return true; + } - return false; + return false; } void main() { - vec2 uv = vec2(gl_FragCoord.xy); + vec2 uv = vec2(gl_FragCoord.xy); - float stroke_depth = texelFetch(strokeDepth, ivec2(uv.xy), 0).r; - vec4 src_pixel= texelFetch(strokeColor, ivec2(uv.xy), 0); - vec4 outcolor; + float stroke_depth = texelFetch(strokeDepth, ivec2(uv.xy), 0).r; + vec4 src_pixel = texelFetch(strokeColor, ivec2(uv.xy), 0); + vec4 outcolor; - /* is transparent */ - if (src_pixel.a == 0.0f) { - discard; - } + /* is transparent */ + if (src_pixel.a == 0.0f) { + discard; + } - if (mode == MODE_LUMINANCE) { - if (luma(src_pixel.rgb) < threshold) { - discard; - } - } - else if (mode == MODE_COLOR) { - if (!check_color(src_pixel.rgb, select_color.rgb)) { - discard; - } - } - else { - discard; - } + if (mode == MODE_LUMINANCE) { + if (luma(src_pixel.rgb) < threshold) { + discard; + } + } + else if (mode == MODE_COLOR) { + if (!check_color(src_pixel.rgb, select_color.rgb)) { + discard; + } + } + else { + discard; + } - gl_FragDepth = stroke_depth; - FragColor = vec4(glow_color.rgb, 1.0); + gl_FragDepth = stroke_depth; + FragColor = vec4(glow_color.rgb, 1.0); } |