Changeset 26121 in vbox for trunk/src/VBox/Additions

Timestamp:

Feb 1, 2010 2:12:38 PM (15 years ago)

Author:

vboxsync

Message:

crOpenGL: workaround for buggy apps using glEnable with GL_LIGHT_MODEL_TWO_SIDE

File:

• trunk/src/VBox/Additions/common/crOpenGL/pack/packspu_client.c (modified) (2 diffs)

trunk/src/VBox/Additions/common/crOpenGL/pack/packspu_client.c

@@ -407 +407 @@
 void PACKSPU_APIENTRY packspu_Enable( GLenum cap )
 {
-    crStateEnable(cap);
-
-    if (pack_spu.swap)
-        crPackEnableSWAP(cap);
+    if (cap!=GL_LIGHT_MODEL_TWO_SIDE)
+    {
+        crStateEnable(cap);
+
+        if (pack_spu.swap)
+            crPackEnableSWAP(cap);
+        else
+            crPackEnable(cap);
+    }
     else
-        crPackEnable(cap);
+    {
+        static int g_glmts1_warn=0;
+        if (!g_glmts1_warn)
+        {
+            crWarning("glEnable(GL_LIGHT_MODEL_TWO_SIDE) converted to valid glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,1)");
+            g_glmts1_warn=1;
+        }
+        crStateLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
+        crPackLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
+    }
 }
 
@@ -418 +432 @@
 void PACKSPU_APIENTRY packspu_Disable( GLenum cap )
 {
-    crStateDisable(cap);
-
-    if (pack_spu.swap)
-        crPackDisableSWAP(cap);
+    if (cap!=GL_LIGHT_MODEL_TWO_SIDE)
+    {
+        crStateDisable(cap);
+
+        if (pack_spu.swap)
+            crPackDisableSWAP(cap);
+        else
+            crPackDisable(cap);
+    }
     else
-        crPackDisable(cap);
+    {
+        static int g_glmts0_warn=0;
+        if (!g_glmts0_warn)
+        {
+            crWarning("glDisable(GL_LIGHT_MODEL_TWO_SIDE) converted to valid glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,0)");
+            g_glmts0_warn=1;
+        }
+        crStateLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 0);
+        crPackLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 0);
+    }
 }