Differential D2889 Diff 10411 source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl

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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);
				}
				}