Changeset 3467 in vbox for trunk/src/VBox/HostServices/SharedOpenGL

Timestamp:

Jul 5, 2007 1:49:32 PM (18 years ago)

Author:

vboxsync

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

22679

Message:

OGL: updates

Location:

trunk/src/VBox/HostServices/SharedOpenGL

Files:

• glwindrv.cpp (modified) (1 diff)
• service.cpp (modified) (1 diff)
• vboxgl.cpp (modified) (1 diff)

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

@@ -419 +419 @@
 bool vboxDrvIsExtensionAvailable(char *pszExtFunctionName)
 {
-    Log(("vboxDrvIsExtensionAvailable %s -> %d\n", pszExtFunctionName, !!wglGetProcAddress(pszExtFunctionName)));
-    return !!wglGetProcAddress(pszExtFunctionName);
-}
+    PIXELFORMATDESCRIPTOR pfd;
+    int iFormat;
+    HDC hdc = GetDC(0);
+
+/** @todo rather expensive -> check all known extensions in one go */
+    ZeroMemory(&pfd, sizeof(pfd));
+    pfd.nSize       = sizeof(pfd);
+    pfd.nVersion    = 1;
+    pfd.dwFlags     = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+    pfd.iPixelType  = PFD_TYPE_RGBA;
+    pfd.cColorBits  = 24;
+    pfd.cDepthBits  = 16;
+    pfd.iLayerType  = PFD_MAIN_PLANE;
+    iFormat         = ChoosePixelFormat(hdc, &pfd);
+    SetPixelFormat(hdc, iFormat, &pfd);
+
+    HGLRC hRC = wglCreateContext(hdc);
+    wglMakeCurrent(hdc, hRC);
+
+    bool fAvailable = !!wglGetProcAddress(pszExtFunctionName);
+
+    Log(("vboxDrvIsExtensionAvailable %s -> %d\n", pszExtFunctionName, fAvailable));
+
+    wglMakeCurrent(NULL, NULL);
+    wglDeleteContext(hRC);
+    ReleaseDC(0, hdc);
+
+    return fAvailable;
+}

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

@@ -280 +280 @@
                 /* sanity checks */
                 if (    cbExtFnName > 256
-                    ||  pszExtFnName[cbExtFnName] != 0
+                    ||  pszExtFnName[cbExtFnName-1] != 0
                    )
                 {

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

@@ -126 +126 @@
         AssertMsgReturn(pCmd->enmOp < VBOX_OGL_OP_Last, ("Invalid OpenGL cmd %x\n", pCmd->enmOp), VERR_INVALID_PARAMETER);
 
-        Log2(("Flush cmd %s cParams=%d cbCmd=%x\n", pszVBoxOGLCmd[pCmd->enmOp], pCmd->cParams, pCmd->cbCmd));
+if (   pCmd->enmOp != VBOX_OGL_OP_Vertex3f
+    && pCmd->enmOp != VBOX_OGL_OP_Normal3f)
+        Log(("Flush cmd %s cParams=%d cbCmd=%x\n", pszVBoxOGLCmd[pCmd->enmOp], pCmd->cParams, pCmd->cbCmd));
 
         /* call wrapper */