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uniform int color_type;
uniform sampler2D myTexture;
in vec4 mColor;
in vec2 mTexCoord;
in float uvfac;
out vec4 fragColor;
#define texture2D texture
/* keep this list synchronized with list in gpencil_engine.h */
#define GPENCIL_COLOR_SOLID 0
#define GPENCIL_COLOR_TEXTURE 1
#define GPENCIL_COLOR_PATTERN 2
void main()
{
vec4 tColor = vec4(mColor);
/* if alpha < 0, then encap (only solid mode ) */
if ((mColor.a < 0) && (color_type == GPENCIL_COLOR_SOLID)) {
vec2 center = vec2(uvfac, 1.0);
tColor.a = tColor.a * -1.0;
float dist = length(mTexCoord - center);
if (dist > 0.50) {
discard;
}
}
/* Solid */
if (color_type == GPENCIL_COLOR_SOLID) {
fragColor = tColor;
}
/* texture */
if (color_type == GPENCIL_COLOR_TEXTURE) {
fragColor = texture2D(myTexture, mTexCoord);
/* mult both alpha factor to use strength factor */
fragColor.a = min(fragColor.a * tColor.a, fragColor.a);
}
/* pattern */
if (color_type == GPENCIL_COLOR_PATTERN) {
vec4 text_color = texture2D(myTexture, mTexCoord);
fragColor = tColor;
/* mult both alpha factor to use strength factor with color alpha limit */
fragColor.a = min(text_color.a * tColor.a, tColor.a);
}
}
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