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Use glDrawArrays()

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This commit is contained in:
Alessandro Ranellucci 2013-05-16 13:42:19 +02:00
parent fc1a23f5b0
commit 228c84ddc1
1 changed files with 49 additions and 6 deletions
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55
lib/Slic3r/GUI/PreviewCanvas.pm
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@ -136,12 +136,32 @@ sub draw_mesh {
my $self = shift; my $self = shift;
my $mesh = $self->mesh; my $mesh = $self->mesh;
$mesh->align_to_origin;
glBegin(GL_TRIANGLES); #glEnable(GL_CULL_FACE);
for my $facet (@{$mesh->facets}) { glEnableClientState(GL_VERTEX_ARRAY);
glVertex3f( map 0.1 * $_, @{ $mesh->vertices->[$_] } ) for @$facet; #glEnableClientState(GL_NORMAL_ARRAY);
}
glEnd(); my @verts = map 0.1 * $_, map @{ $mesh->vertices->[$_] }, map @$_, @{$mesh->facets};
my $verts = OpenGL::Array->new_list(GL_FLOAT, @verts);
#my @norms = map @$_, map {my $f = $_; Slic3r::Geometry::triangle_normal(map $mesh->vertices->[$_], @$f) } @{$mesh->facets};
#my $norms = OpenGL::Array->new_list(GL_FLOAT, @norms);
#my @inv_norms = map @$_, map {my $f = $_; Slic3r::Geometry::triangle_normal(reverse map $mesh->vertices->[$_], @$f) } @{$mesh->facets};
#my $inv_norms = OpenGL::Array->new_list(GL_FLOAT, @inv_norms);
glVertexPointer_p(3, $verts);
#glCullFace(GL_BACK);
#glNormalPointer_p($norms);
glDrawArrays(GL_TRIANGLES, 0, scalar @verts);
#glCullFace(GL_FRONT);
#glNormalPointer_p($inv_norms);
#glDrawArrays(GL_TRIANGLES, 0, scalar @verts);
#glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
} }
sub InitGL { sub InitGL {
@ -151,9 +171,32 @@ sub InitGL {
return unless $self->GetContext; return unless $self->GetContext;
$self->init( 1 ); $self->init( 1 );
$self->mesh->align_to_origin;
glDisable( GL_LIGHTING ); glDisable( GL_LIGHTING );
glDepthFunc( GL_LESS ); glDepthFunc( GL_LESS );
glEnable( GL_DEPTH_TEST ); glEnable( GL_DEPTH_TEST );
if (0) {
# Settings for our light.
my @Light_Ambient = ( 0.1, 0.1, 0.1, 1.0 );
my @Light_Diffuse = ( 1.2, 1.2, 1.2, 1.0 );
my @Light_Position = ( 2.0, 2.0, 0.0, 1.0 );
# Enables Smooth Color Shading; try GL_FLAT for (lack of) fun.
glShadeModel(GL_SMOOTH);
# Set up a light, turn it on.
glLightfv_p(GL_LIGHT1, GL_POSITION, @Light_Position);
glLightfv_p(GL_LIGHT1, GL_AMBIENT, @Light_Ambient);
glLightfv_p(GL_LIGHT1, GL_DIFFUSE, @Light_Diffuse);
glEnable(GL_LIGHT1);
# A handy trick -- have surface material mirror the color.
glColorMaterial(GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
}
} }
sub Render { sub Render {