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Differential D4638 Diff 15954 source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl

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source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl

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#define ENDCAP 1.0 #define ENDCAP 1.0
#define OB_SOLID 3 #define OB_SOLID 3
#define V3D_SHADING_TEXTURE_COLOR 3 #define V3D_SHADING_TEXTURE_COLOR 3
bool no_texture = (shading_type[0] == OB_SOLID) && (shading_type[1] != V3D_SHADING_TEXTURE_COLOR); bool no_texture = (shading_type[0] == OB_SOLID) && (shading_type[1] != V3D_SHADING_TEXTURE_COLOR);
float linearrgb_to_srgb(float c)
{
if (c < 0.0031308) {
return (c < 0.0) ? 0.0 : c * 12.92;
}
else {
return 1.055 * pow(c, 1.0 / 2.4) - 0.055;
}
}
vec4 texture_read_as_srgb(sampler2D tex, bool premultiplied, vec2 co)
{
/* By convention image textures return scene linear colors, but
* grease pencil still works in srgb. */
vec4 color = texture(tex, co);
/* Unpremultiply if stored multiplied, since straight alpha is expected by shaders. */
if (premultiplied && !(color.a == 0.0 || color.a == 1.0)) {
color.rgb = color.rgb / color.a;
}
color.r = linearrgb_to_srgb(color.r);
color.g = linearrgb_to_srgb(color.g);
color.b = linearrgb_to_srgb(color.b);
return color;
}
void main() void main()
{ {
vec4 tColor = vec4(mColor); vec4 tColor = vec4(mColor);
/* if uvfac[1] == 1, then encap */ /* if uvfac[1] == 1, then encap */
if (uvfac[1] == ENDCAP) { if (uvfac[1] == ENDCAP) {
vec2 center = vec2(uvfac[0], 0.5); vec2 center = vec2(uvfac[0], 0.5);
float dist = length(mTexCoord - center); float dist = length(mTexCoord - center);
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