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Replace glVertexPointer_p() call with glVertexPointer_c(). (#3677)

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Delete VBO buffers after they've been drawn. Both ways work on OpenGL.pm 0.7

Credit to @bubnikv from prusa3d fork, drawn from commit c0b3de6248f6e6d50624b3d2132c823fb65af95e on that repository.
This commit is contained in:
Joseph Lenox 2017-02-07 16:49:36 -06:00 committed by GitHub
parent c557a00516
commit 5fa45989af
1 changed files with 11 additions and 8 deletions
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19
lib/Slic3r/GUI/3DScene.pm
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@ -50,7 +50,6 @@ use constant PI => 3.1415927;
# 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;
@ -854,8 +853,8 @@ sub Render {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnableClientState(GL_VERTEX_ARRAY);
my $triangle_vertex;
if (HAS_VBO) {
my ($triangle_vertex);
($triangle_vertex) =
glGenBuffersARB_p(1);
$self->bed_triangles->bind($triangle_vertex);
@ -863,7 +862,7 @@ sub Render {
glVertexPointer_c(3, GL_FLOAT, 0, 0);
} else {
# fall back on old behavior
glVertexPointer_p(3, $self->bed_triangles);
glVertexPointer_c(3, GL_FLOAT, 0, $self->bed_triangles->ptr());
}
glColor4f(0.8, 0.6, 0.5, 0.4);
glNormal3d(0,0,1);
@ -877,8 +876,8 @@ sub Render {
# draw grid
glLineWidth(3);
glEnableClientState(GL_VERTEX_ARRAY);
my $grid_vertex;
if (HAS_VBO) {
my ($grid_vertex);
($grid_vertex) =
glGenBuffersARB_p(1);
$self->bed_grid_lines->bind($grid_vertex);
@ -886,7 +885,7 @@ sub Render {
glVertexPointer_c(3, GL_FLOAT, 0, 0);
} else {
# fall back on old behavior
glVertexPointer_p(3, $self->bed_grid_lines);
glVertexPointer_c(3, GL_FLOAT, 0, $self->bed_grid_lines->ptr());
}
glColor4f(0.2, 0.2, 0.2, 0.4);
glNormal3d(0,0,1);
@ -898,6 +897,8 @@ sub Render {
# Turn off buffer objects to let the rest of the draw code work.
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glDeleteBuffersARB_p($grid_vertex);
glDeleteBuffersARB_p($triangle_vertex);
}
}
@ -1086,17 +1087,18 @@ sub draw_volumes {
}
glDisableClientState(GL_NORMAL_ARRAY);
glDisable(GL_BLEND);
my $cut_vertex;
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);
($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);
glVertexPointer_c(3, GL_FLOAT, 0, $self->cut_lines_vertices->ptr());
}
glLineWidth(2);
glColor3f(0, 0, 0);
@ -1106,6 +1108,7 @@ sub draw_volumes {
# Turn off buffer objects to let the rest of the draw code work.
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glDeleteBuffersARB_p($cut_vertex);
}
}