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Finished picking by color with a checksum in the alpha channel

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to guard against unwanted alpha blending and / or multi sampling.
This commit is contained in:
bubnikv 2019-08-07 14:15:38 +02:00
parent 2ad3c05a65
commit 2d7f478dac
10 changed files with 89 additions and 74 deletions
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8
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
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@ -286,7 +286,7 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
glsafe(::glTranslated(0.0, 0.0, m_z_shift));
glsafe(::glMultMatrixd(instance_matrix.data()));
float render_color[3];
float render_color[4];
size_t cache_size = m_editing_mode ? m_editing_cache.size() : m_normal_cache.size();
for (size_t i = 0; i < cache_size; ++i)
{
@ -298,12 +298,14 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
// First decide about the color of the point.
if (picking) {
std::array<float, 3> color = picking_color_component(i);
std::array<float, 4> color = picking_color_component(i);
render_color[0] = color[0];
render_color[1] = color[1];
render_color[2] = color[2];
render_color[3] = picking_checksum_alpha_channel(render_color[0], render_color[1], render_color[2]);
}
else {
render_color[3] = 1.f;
if ((m_hover_id == i && m_editing_mode)) { // ignore hover state unless editing mode is active
render_color[0] = 0.f;
render_color[1] = 1.0f;
@ -320,7 +322,7 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
for (unsigned char i=0; i<3; ++i) render_color[i] = 0.5f;
}
}
glsafe(::glColor3fv(render_color));
glsafe(::glColor4fv(render_color));
float render_color_emissive[4] = { 0.5f * render_color[0], 0.5f * render_color[1], 0.5f * render_color[2], 1.f};
glsafe(::glMaterialfv(GL_FRONT, GL_EMISSION, render_color_emissive));