Add checks for ARB_vertex_program before allowing vertex shaders to

dlls/wined3d/drawprim.c

@@ -1949,7 +1949,13 @@ void drawPrimitive(IWineD3DDevice *iface,
     Direct3DVertexStridedData     dataLocations;
     int                           useHW = FALSE;
 
-    useVertexShaderFunction = This->stateBlock->vertexShader != NULL ? wined3d_settings.vs_mode != VS_NONE ? ((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->function != NULL ? TRUE: FALSE : FALSE : FALSE;
+    if (This->stateBlock->vertexShader != NULL && wined3d_settings.vs_mode != VS_NONE 
+            &&((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->function != NULL 
+            && GL_SUPPORT(ARB_VERTEX_PROGRAM)) {
+        useVertexShaderFunction = TRUE;
+    } else {
+        useVertexShaderFunction = FALSE;
+    }
 
     if (This->stateBlock->vertexDecl == NULL) {
         /* Work out what the FVF should look like */

dlls/wined3d/vertexshader.c

@@ -1614,16 +1614,17 @@ inline static VOID IWineD3DVertexShaderImpl_GenerateProgramArbHW(IWineD3DVertexS
     PNSTRCAT(pgmStr, tmpLine);
 
   }
-/* finally null terminate the pgmStr*/
+  /* finally null terminate the pgmStr*/
   pgmStr[pgmLength] = 0;
+
+  /* Check that Vertex Shaders are supported */
+  if (GL_SUPPORT(ARB_VERTEX_PROGRAM)) {
       /*  Create the hw shader */
       /* TODO: change to resource.glObjectHandel or something like that */
       GL_EXTCALL(glGenProgramsARB(1, &This->prgId));
       TRACE("Creating a hw vertex shader, prg=%d\n", This->prgId);
-
       GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB, This->prgId));
 
-
       /* Create the program and check for errors */
       GL_EXTCALL(glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(pgmStr)/*pgmLength*/, pgmStr));
       if (glGetError() == GL_INVALID_OPERATION) {
@@ -1632,6 +1633,7 @@ inline static VOID IWineD3DVertexShaderImpl_GenerateProgramArbHW(IWineD3DVertexS
           FIXME("HW VertexShader Error at position: %d\n%s\n", errPos, glGetString(GL_PROGRAM_ERROR_STRING_ARB));
           This->prgId = -1;
       }
+  }
 #if 1 /* if were using the data buffer of device then we don't need to free it */
   HeapFree(GetProcessHeap(), 0, pgmStr);
 #endif