slic3r/slic3r-opengl070.patch

118 lines
4.2 KiB
Diff

diff --git a/lib/Slic3r/GUI/3DScene.pm b/lib/Slic3r/GUI/3DScene.pm
index 7628a6c..d37199b 100644
--- a/lib/Slic3r/GUI/3DScene.pm
+++ b/lib/Slic3r/GUI/3DScene.pm
@@ -1,9 +1,9 @@
package Slic3r::GUI::3DScene::Base;
use strict;
use warnings;
-
use Wx::Event qw(EVT_PAINT EVT_SIZE EVT_ERASE_BACKGROUND EVT_IDLE EVT_MOUSEWHEEL EVT_MOUSE_EVENTS);
# must load OpenGL *before* Wx::GLCanvas
+
use OpenGL qw(:glconstants :glfunctions :glufunctions :gluconstants);
use base qw(Wx::GLCanvas Class::Accessor);
use Math::Trig qw(asin);
@@ -48,6 +48,12 @@ use constant DEFAULT_COLOR => [1,1,0];
use constant SELECTED_COLOR => [0,1,0,1];
use constant HOVER_COLOR => [0.4,0.9,0,1];
+# Constant to determine if Vertex Buffer objects are used to draw
+# bed grid and the cut plane for object separation.
+# Old Perl (5.10.x) should set to 0.
+use constant HAS_VBO => 1;
+
+
# make OpenGL::Array thread-safe
{
no warnings 'redefine';
@@ -114,6 +120,7 @@ sub new {
$self->Refresh;
});
EVT_MOUSE_EVENTS($self, \&mouse_event);
+
return $self;
}
@@ -741,9 +748,19 @@ sub Render {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnableClientState(GL_VERTEX_ARRAY);
+ if (HAS_VBO) {
+ my ($triangle_vertex);
+ ($triangle_vertex) =
+ glGenBuffersARB_p(1);
+ $self->bed_triangles->bind($triangle_vertex);
+ glBufferDataARB_p(GL_ARRAY_BUFFER_ARB, $self->bed_triangles, GL_STATIC_DRAW_ARB);
+ glVertexPointer_c(3, GL_FLOAT, 0, 0);
+ } else {
+ # fall back on old behavior
+ glVertexPointer_p(3, $self->bed_triangles);
+ }
glColor4f(0.8, 0.6, 0.5, 0.4);
glNormal3d(0,0,1);
- glVertexPointer_p(3, $self->bed_triangles);
glDrawArrays(GL_TRIANGLES, 0, $self->bed_triangles->elements / 3);
glDisableClientState(GL_VERTEX_ARRAY);
@@ -753,13 +770,29 @@ sub Render {
# draw grid
glLineWidth(3);
- glColor4f(0.2, 0.2, 0.2, 0.4);
glEnableClientState(GL_VERTEX_ARRAY);
- glVertexPointer_p(3, $self->bed_grid_lines);
+ if (HAS_VBO) {
+ my ($grid_vertex);
+ ($grid_vertex) =
+ glGenBuffersARB_p(1);
+ $self->bed_grid_lines->bind($grid_vertex);
+ glBufferDataARB_p(GL_ARRAY_BUFFER_ARB, $self->bed_grid_lines, GL_STATIC_DRAW_ARB);
+ glVertexPointer_c(3, GL_FLOAT, 0, 0);
+ } else {
+ # fall back on old behavior
+ glVertexPointer_p(3, $self->bed_grid_lines);
+ }
+ glColor4f(0.2, 0.2, 0.2, 0.4);
+ glNormal3d(0,0,1);
glDrawArrays(GL_LINES, 0, $self->bed_grid_lines->elements / 3);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_BLEND);
+ if (HAS_VBO) {
+ # Turn off buffer objects to let the rest of the draw code work.
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
+ }
}
my $volumes_bb = $self->volumes_bounding_box;
@@ -899,10 +932,26 @@ sub draw_volumes {
glDisable(GL_BLEND);
if (defined $self->cutting_plane_z) {
+ if (HAS_VBO) {
+ # Use Vertex Buffer Object for cutting plane (previous method crashes on modern POGL).
+ my ($cut_vertex) = glGenBuffersARB_p(1);
+ $self->cut_lines_vertices->bind($cut_vertex);
+ glBufferDataARB_p(GL_ARRAY_BUFFER_ARB, $self->cut_lines_vertices, GL_STATIC_DRAW_ARB);
+ glVertexPointer_c(3, GL_FLOAT, 0, 0);
+ } else {
+ # Use legacy method.
+ glVertexPointer_p(3, $self->cut_lines_vertices);
+ }
glLineWidth(2);
glColor3f(0, 0, 0);
- glVertexPointer_p(3, $self->cut_lines_vertices);
glDrawArrays(GL_LINES, 0, $self->cut_lines_vertices->elements / 3);
+
+ if (HAS_VBO) {
+ # Turn off buffer objects to let the rest of the draw code work.
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
+ }
+
}
glDisableClientState(GL_VERTEX_ARRAY);
}