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Fix T63979: GPencil control points hidden in orthographic mode

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Antonioya
2019-04-29 17:20:54 +02:00
parent 11b65b4ade
commit a494be2f2e
1 changed files with 10 additions and 4 deletions
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14
source/blender/draw/engines/gpencil/shaders/gpencil_edit_point_geom.glsl
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@@ -16,6 +16,12 @@ vec2 toScreenSpace(vec4 vertex)
return vec2(vertex.xy / vertex.w) * Viewport;
}
/* get zdepth value */
float getZdepth(vec4 point)
{
return min(-0.05, (point.z / point.w));
}
void main(void)
{
vec4 P0 = gl_in[0].gl_Position;
@@ -26,22 +32,22 @@ void main(void)
/* generate the triangle strip */
mTexCoord = vec2(0, 1);
mColor = finalColor[0];
gl_Position = vec4(vec2(sp0.x - size, sp0.y + size) / Viewport, 0, 1.0);
gl_Position = vec4(vec2(sp0.x - size, sp0.y + size) / Viewport, getZdepth(P0), 1.0);
EmitVertex();
mTexCoord = vec2(0, 0);
mColor = finalColor[0];
gl_Position = vec4(vec2(sp0.x - size, sp0.y - size) / Viewport, 0, 1.0);
gl_Position = vec4(vec2(sp0.x - size, sp0.y - size) / Viewport, getZdepth(P0), 1.0);
EmitVertex();
mTexCoord = vec2(1, 1);
mColor = finalColor[0];
gl_Position = vec4(vec2(sp0.x + size, sp0.y + size) / Viewport, 0, 1.0);
gl_Position = vec4(vec2(sp0.x + size, sp0.y + size) / Viewport, getZdepth(P0), 1.0);
EmitVertex();
mTexCoord = vec2(1, 0);
mColor = finalColor[0];
gl_Position = vec4(vec2(sp0.x + size, sp0.y - size) / Viewport, 0, 1.0);
gl_Position = vec4(vec2(sp0.x + size, sp0.y - size) / Viewport, getZdepth(P0), 1.0);
EmitVertex();
EndPrimitive();