Check for advertized vertex blend support before querying device

dlls/d3d8/d3d8_private.h

@@ -273,6 +273,7 @@ struct IDirect3D8Impl
 
     /* IDirect3D8 fields */
     GL_Info                 gl_info;
+    BOOL                    isGLInfoValid;
     IDirect3D8Impl         *direct3d8;
 };
 

dlls/d3d8/directx.c

@@ -55,6 +55,7 @@ static const D3DFORMAT device_formats[NUM_FORMATS] = {
   D3DFMT_X8R8G8B8
 };
 
+static void IDirect3D8Impl_FillGLCaps(LPDIRECT3D8 iface, Display* display);
 
 /* retrieve the X display to use on a given DC */
 inline static Display *get_display( HDC hdc )
@@ -456,6 +457,10 @@ HRESULT  WINAPI  IDirect3D8Impl_GetDeviceCaps(LPDIRECT3D8 iface, UINT Adapter, D
     } else {
         glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_tex_size);
     }
+
+    /* If we dont know the device settings, go query them now */
+    if (This->isGLInfoValid == FALSE) IDirect3D8Impl_FillGLCaps(iface, NULL);
+
     pCaps->DeviceType = (DeviceType == D3DDEVTYPE_HAL) ? D3DDEVTYPE_HAL : D3DDEVTYPE_REF;  /* Not quite true, but use h/w supported by opengl I suppose */
     pCaps->AdapterOrdinal = Adapter;
 
@@ -630,14 +635,14 @@ HRESULT  WINAPI  IDirect3D8Impl_GetDeviceCaps(LPDIRECT3D8 iface, UINT Adapter, D
         pCaps->MaxActiveLights = gl_max;
         TRACE("GLCaps: GL_MAX_LIGHTS=%ld\n", pCaps->MaxActiveLights);
 
-#if defined(GL_ARB_vertex_blend)
+        if (GL_SUPPORT(ARB_VERTEX_BLEND)) {
 	   glGetIntegerv(GL_MAX_VERTEX_UNITS_ARB, &gl_max);
 	   pCaps->MaxVertexBlendMatrices = gl_max;
 	   pCaps->MaxVertexBlendMatrixIndex = 1;
-#else
+        } else {
            pCaps->MaxVertexBlendMatrices = 0;
            pCaps->MaxVertexBlendMatrixIndex = 1;
-#endif
+        }
 
 #if defined(GL_EXT_texture_filter_anisotropic)
         glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max);
@@ -847,6 +852,7 @@ static void IDirect3D8Impl_FillGLCaps(LPDIRECT3D8 iface, Display* display) {
     GL_EXT_FUNCS_GEN;
 #undef USE_GL_FUNC
 
+    if (display != NULL) {
         GLX_Extensions = glXQueryExtensionsString(display, DefaultScreen(display));
         FIXME("GLX_Extensions reported:\n");  
     
@@ -866,11 +872,15 @@ static void IDirect3D8Impl_FillGLCaps(LPDIRECT3D8 iface, Display* display) {
             if (*GLX_Extensions == ' ') GLX_Extensions++;
           }
         }
+    }
 
 #define USE_GL_FUNC(type, pfn) This->gl_info.pfn = (type) glXGetProcAddressARB(#pfn);
     GLX_EXT_FUNCS_GEN;
 #undef USE_GL_FUNC
 
+    /* Only save the values obtained when a display is provided */
+    if (display != NULL) This->isGLInfoValid = TRUE;
+
 }
 
 HRESULT  WINAPI  IDirect3D8Impl_CreateDevice               (LPDIRECT3D8 iface,