Changeset 3460 in vbox for trunk/src/VBox/HostServices/SharedOpenGL

Timestamp:

Jul 5, 2007 12:56:04 PM (18 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

22672

Message:

Extension checks

Location:

trunk/src/VBox/HostServices/SharedOpenGL

Files:

• gldrv.h (modified) (1 diff)
• gllindrv.cpp (modified) (1 diff)
• glwindrv.cpp (modified) (1 diff)
• service.cpp (modified) (1 diff)

trunk/src/VBox/HostServices/SharedOpenGL/gldrv.h

@@ -150 +150 @@
 void vboxglDrvSwapBuffers(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer);
 
+bool vboxDrvIsExtensionAvailable(char *pszExtFunctionName);
+
 #endif /* __VBOXGLWIN__H */

trunk/src/VBox/HostServices/SharedOpenGL/gllindrv.cpp

@@ -216 +216 @@
     pClient->lastretval = 0; /** @todo */
 }
+
+bool vboxDrvIsExtensionAvailable(char *pszExtFunctionName)
+{
+    return false;
+}
+

trunk/src/VBox/HostServices/SharedOpenGL/glwindrv.cpp

@@ -416 +416 @@
         ReleaseDC(0, pClient->hdc);
 }
+
+bool vboxDrvIsExtensionAvailable(char *pszExtFunctionName)
+{
+    return !!wglGetProcAddress(pszExtFunctionName);
+}

trunk/src/VBox/HostServices/SharedOpenGL/service.cpp

@@ -257 +257 @@
         } 
 
+        case VBOXOGL_FN_GLCHECKEXT:
+        {
+            Log(("svcCall: VBOXOGL_FN_GLCHECKEXT\n"));
+
+            /* Verify parameter count and types. */
+            if (cParms != VBOXOGL_CPARMS_GLCHECKEXT)
+            {
+                rc = VERR_INVALID_PARAMETER;
+            }
+            else 
+            if (    paParms[0].type != VBOX_HGCM_SVC_PARM_PTR       /* pszExtFnName */
+               )
+            {
+                rc = VERR_INVALID_PARAMETER;
+            }
+            else
+            {
+                /* Fetch parameters. */
+                char    *pszExtFnName = (char *)paParms[0].u.pointer.addr;
+                uint32_t cbExtFnName  = paParms[0].u.pointer.size;
+
+                /* sanity checks */
+                if (    cbExtFnName > 256
+                    ||  pszExtFnName[cbExtFnName-1] != 0
+                   )
+                {
+                    rc = VERR_INVALID_PARAMETER;
+                }
+                else
+                {
+                    /* Execute the function. */
+                    if (vboxDrvIsExtensionAvailable(pszExtFnName))
+                        rc = VINF_SUCCESS;
+                    else
+                        rc = VERR_FILE_NOT_FOUND;
+
+                    if (VBOX_SUCCESS(rc))
+                    {
+                        /* Update parameters.*/
+                    }
+                }
+            }
+            break;
+        } 
+
         default:
         {