Differential D2889 Diff 11446 source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_flip_frag.glsl

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Standalone View

				out vec4 FragColor;

				uniform sampler2D strokeColor;
				uniform sampler2D strokeDepth;
				uniform vec2 wsize;
				uniform int flipmode;

				void main()
				{
				vec2 mode = vec2(0,0);
				/* horz. */
				if (flipmode >= 110) {
				mode[0] = 1;
				}
				/* vert. */
				if ((flipmode == 101) \|\| (flipmode == 111)) {
				mode[1] = 1;
				}

				vec2 uv = vec2(gl_FragCoord.xy);
				float stroke_depth;
				vec4 outcolor;

				if (mode[0] > 0) {
				uv.x = wsize.x - uv.x;
				}
				if (mode[1] > 0) {
				uv.y = wsize.y - uv.y;
				}

				ivec2 iuv = ivec2(uv.x, uv.y);
				stroke_depth = texelFetch(strokeDepth, iuv, 0).r;
				outcolor = texelFetch(strokeColor, iuv, 0);

				gl_FragDepth = stroke_depth;
				FragColor = outcolor;
				}