From 5a6b6d995c37361b8f966de09787ad8a0b94fb04 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Thu, 15 Jan 2009 00:17:49 +0000
Subject: [PATCH] glHint for compression

---
 .../glstuff/glGraphicsStateGuardian_src.cxx   | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
index 44e657043b..099fc588c2 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
@@ -6990,7 +6990,7 @@ upload_texture(CLP(TextureContext) *gtc, bool force) {
   if (!get_supports_compressed_texture_format(image_compression)) {
     image = tex->get_uncompressed_ram_image();
     image_compression = Texture::CM_off;
-  }    
+  } 
 
   /*
   if (image.is_null()) {
@@ -7067,6 +7067,28 @@ upload_texture(CLP(TextureContext) *gtc, bool force) {
     }
   }
 
+  if (image_compression != Texture::CM_off) {
+    Texture::QualityLevel quality_level = tex->get_quality_level();
+    if (quality_level == Texture::QL_default) {
+      quality_level = texture_quality_level;
+    }
+
+    switch (quality_level) {
+    case Texture::QL_fastest:
+      GLP(Hint)(GL_TEXTURE_COMPRESSION_HINT, GL_FASTEST);
+      break;
+
+    case Texture::QL_default:
+    case Texture::QL_normal:
+      GLP(Hint)(GL_TEXTURE_COMPRESSION_HINT, GL_DONT_CARE);
+      break;
+
+    case Texture::QL_best:
+      GLP(Hint)(GL_TEXTURE_COMPRESSION_HINT, GL_NICEST);
+      break;
+    }
+  }
+
   GLP(PixelStorei)(GL_UNPACK_ALIGNMENT, 1);
 
   bool uses_mipmaps = (tex->uses_mipmaps() && !CLP(ignore_mipmaps)) || CLP(force_mipmaps);