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blender-archive/source/blender/gpu/shaders/gpu_shader_3D_polyline_frag.glsl

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GPU: Add Polyline shader (wide line emulation) This new shader is able to emulate smooth wide lines drawing using a geometry shader. This shader needs viewportSize and lineWidth uniforms to be set. There is multiple variants to replace the usage of wide lines for most shaders. This patch only fix the gizmo_types files and the navigation gizmo. Other areas could be fixed afterward, I just limited the patch size. Fix T57570. Reviewed By: billreynish Differential Revision: https://developer.blender.org/D7487
2020-04-23 23:05:39 +02:00
uniform float lineWidth;
Fix T81827: MacOS lines that should be thick are green instead The issue was the use of alpha values of 0 when there were no blending enabled. This patch just disables the smoothing of the wires in this case.
2020-11-17 01:28:33 +01:00
uniform bool lineSmooth = true;
GPU: Add Polyline shader (wide line emulation) This new shader is able to emulate smooth wide lines drawing using a geometry shader. This shader needs viewportSize and lineWidth uniforms to be set. There is multiple variants to replace the usage of wide lines for most shaders. This patch only fix the gizmo_types files and the navigation gizmo. Other areas could be fixed afterward, I just limited the patch size. Fix T57570. Reviewed By: billreynish Differential Revision: https://developer.blender.org/D7487
2020-04-23 23:05:39 +02:00
in vec4 finalColor;
noperspective in float smoothline;
#ifdef CLIP
in float clip;
#endif
out vec4 fragColor;
#define SMOOTH_WIDTH 1.0
void main()
{
#ifdef CLIP
if (clip < 0.0) {
discard;
}
#endif
fragColor = finalColor;
Fix T81827: MacOS lines that should be thick are green instead The issue was the use of alpha values of 0 when there were no blending enabled. This patch just disables the smoothing of the wires in this case.
2020-11-17 01:28:33 +01:00
if (lineSmooth) {
fragColor.a *= clamp((lineWidth + SMOOTH_WIDTH) * 0.5 - abs(smoothline), 0.0, 1.0);
}
GPU: Add Polyline shader (wide line emulation) This new shader is able to emulate smooth wide lines drawing using a geometry shader. This shader needs viewportSize and lineWidth uniforms to be set. There is multiple variants to replace the usage of wide lines for most shaders. This patch only fix the gizmo_types files and the navigation gizmo. Other areas could be fixed afterward, I just limited the patch size. Fix T57570. Reviewed By: billreynish Differential Revision: https://developer.blender.org/D7487
2020-04-23 23:05:39 +02:00
fragColor = blender_srgb_to_framebuffer_space(fragColor);
}
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