--- deliantra/Deliantra-Client/DC.pm	2006/04/24 08:38:35	1.45
+++ deliantra/Deliantra-Client/DC.pm	2006/05/14 20:51:19	1.51
@@ -30,6 +30,7 @@
 our $GL_VERSION;
 
 our $GL_NPOT;
+our $GL_DEBUG = 1;
 
 sub gl_init {
    $GL_VERSION = gl_version * 1;
@@ -37,21 +38,27 @@
 
    $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
 
-   glEnable GL_TEXTURE_2D;
-   glEnable GL_COLOR_MATERIAL;
+   glDisable GL_COLOR_MATERIAL;
    glShadeModel GL_FLAT;
+   glDisable GL_DITHER;
    glDisable GL_DEPTH_TEST;
-   glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
-
    glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
 
    CFClient::Texture::restore_state ();
 }
 
+sub gl_check {
+   return unless $GL_DEBUG;
+
+   if (my $error = glGetError) {
+      Carp::cluck sprintf "opengl error %x while %s", $error, sprintf @_;
+   }
+}
+
 sub find_rcfile($) {
    my $path;
 
-   for (@INC) {
+   for (grep !ref, @INC) {
       $path = "$_/CFClient/resources/$_[0]";
       return $path if -r $path;
    }
@@ -112,6 +119,7 @@
       -Filename => $table,
 #      -Filename => "database",
 #      -Subname  => $table,
+      -Property => DB_CHKSUM,
       -Flags    => DB_CREATE | DB_UPGRADE,
          or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
 }
@@ -196,14 +204,14 @@
 sub new_from_layout {
    my ($class, $layout, %arg) = @_;
 
-   my ($w, $h, $data) = $layout->render;
+   my ($w, $h, $data, $format, $internalformat) = $layout->render;
 
    $class->new (
       w              => $w,
       h              => $h,
       data           => $data,
-      format         => GL_ALPHA,
-      internalformat => GL_ALPHA,
+      format         => $format,
+      internalformat => $format,
       type           => GL_UNSIGNED_BYTE,
       %arg,
    )
@@ -212,7 +220,7 @@
 sub new_from_opengl {
    my ($class, $w, $h, $cb) = @_;
 
-   $class->new (w => $w, h => $h, render_cb => $cb)
+   $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
 }
 
 sub topot {
@@ -245,7 +253,7 @@
 
    my ($tw, $th) = @$self{qw(w h)};
 
-   unless ($tw && $th) {
+   unless ($tw > 0 && $th > 0) {
       $tw = $th = 1;
       $data = "\x00" x 64;
    }
@@ -300,20 +308,16 @@
                    $self->{format},
                    $self->{type},
                    $data;
-      if (my $error = glGetError) {
-         Carp::cluck sprintf "texture upload error: %x %dx%d i=%x f=%x t=%x",
-                      $error, $tw, $th, $self->{internalformat},  $self->{format}, $self->{type};
-      }
+      CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
+                         $tw, $th, $self->{internalformat},  $self->{format}, $self->{type};
    } else {
       glCopyTexImage2D GL_TEXTURE_2D, 0,
                    $self->{internalformat},
                    0, 0,
                    $tw, $th,
                    0;
-      if (my $error = glGetError) {
-         Carp::cluck sprintf "texture upload error: %x %dx%d i=%x",
-                      $error, $tw, $th, $self->{internalformat};
-      }
+      CFClient::gl_check "copying to texture %dx%d if=%x",
+                         $tw, $th, $self->{internalformat};
    }
 }