wined3d: Emulate half float vertices if GL_NV_half_float is not there.

dlls/wined3d/state.c

@@ -2884,6 +2884,11 @@ static inline void loadNumberedArrays(IWineD3DStateBlockImpl *stateblock, WineDi
     /* Default to no instancing */
     stateblock->wineD3DDevice->instancedDraw = FALSE;
 
+    if(((IWineD3DVertexDeclarationImpl *)stateblock->vertexDecl)->half_float_used && !GL_SUPPORT(NV_HALF_FLOAT)) {
+        /* This will be handled using drawStridedSlow */
+        return;
+    }
+
     for (i = 0; i < MAX_ATTRIBS; i++) {
 
         if (!strided->u.input[i].lpData && !strided->u.input[i].VBO)
@@ -2997,6 +3002,7 @@ static inline void loadNumberedArrays(IWineD3DStateBlockImpl *stateblock, WineDi
             }
         }
     }
+    checkGLcall("Loading numbered arrays");
 }
 
 /* Used from 2 different functions, and too big to justify making it inlined */

dlls/wined3d/vertexdeclaration.c

@@ -183,6 +183,9 @@ static HRESULT WINAPI IWineD3DVertexDeclarationImpl_SetDeclaration(IWineD3DVerte
             This->swizzled_attribs[j].usage = This->pDeclarationWine[i].Usage;
             This->swizzled_attribs[j].idx = This->pDeclarationWine[i].UsageIndex;
             This->num_swizzled_attribs++;
+        } else if(This->pDeclarationWine[i].Type == WINED3DDECLTYPE_FLOAT16_2 ||
+                  This->pDeclarationWine[i].Type == WINED3DDECLTYPE_FLOAT16_4) {
+            This->half_float_used = TRUE;
         }
     }
 

dlls/wined3d/wined3d_private.h

@@ -1268,6 +1268,7 @@ typedef struct IWineD3DVertexDeclarationImpl {
     DWORD                   streams[MAX_STREAMS];
     UINT                    num_streams;
     BOOL                    position_transformed;
+    BOOL                    half_float_used;
 
     /* Ordered array of declaration types that need swizzling in a vshader */
     attrib_declaration      swizzled_attribs[MAX_ATTRIBS];