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uniform mat4 ModelViewProjectionMatrix;
uniform mat4 ProjectionMatrix;
uniform float pixsize; /* rv3d->pixsize */
uniform int keep_size;
uniform float objscale;
uniform float pixfactor;
uniform int viewport_xray;
uniform int shading_type[2];
uniform vec4 wire_color;
in vec3 pos;
in vec4 color;
in float thickness;
in vec2 uvdata;
in vec3 prev_pos;
out vec4 finalColor;
out float finalThickness;
out vec2 finaluvdata;
out vec4 finalprev_pos;
#define TRUE 1
#define OB_WIRE 2
#define OB_SOLID 3
#define V3D_SHADING_MATERIAL_COLOR 0
#define V3D_SHADING_TEXTURE_COLOR 3
float defaultpixsize = pixsize * (1000.0 / pixfactor);
void main()
{
gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
finalprev_pos = ModelViewProjectionMatrix * vec4(prev_pos, 1.0);
finalColor = color;
if (keep_size == TRUE) {
finalThickness = thickness;
}
else {
float size = (ProjectionMatrix[3][3] == 0.0) ? (thickness / (gl_Position.z * defaultpixsize)) : (thickness / defaultpixsize);
finalThickness = max(size * objscale, 4.0); /* minimum 4 pixels */
}
/* for wireframe override size and color */
if (shading_type[0] == OB_WIRE) {
finalThickness = 2.0;
finalColor = wire_color;
}
/* for solid override color */
if (shading_type[0] == OB_SOLID) {
if ((shading_type[1] != V3D_SHADING_MATERIAL_COLOR) && (shading_type[1] != V3D_SHADING_TEXTURE_COLOR)) {
finalColor = wire_color;
}
if (viewport_xray == 1) {
finalColor.a *= 0.5;
}
}
finaluvdata = uvdata;
}
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