RetroArch/10bpc-gl.diff

diff --git a/gfx/drivers_context/wgl_ctx.c b/gfx/drivers_context/wgl_ctx.c
index b90a8e40c3..e57c4df194 100644
--- a/gfx/drivers_context/wgl_ctx.c
+++ b/gfx/drivers_context/wgl_ctx.c
@@ -78,6 +78,47 @@
 #ifndef WGL_CONTEXT_DEBUG_BIT_ARB
 #define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
 #endif
+
+#ifndef WGL_ACCELERATION_ARB
+#define WGL_ACCELERATION_ARB                    0x2003
+#endif
+
+#ifndef WGL_FULL_ACCELERATION_ARB
+#define WGL_FULL_ACCELERATION_ARB               0x2027
+#endif
+
+#ifndef WGL_DRAW_TO_WINDOW_ARB
+#define WGL_DRAW_TO_WINDOW_ARB                  0x2001
+#endif
+
+#ifndef WGL_DOUBLE_BUFFER_ARB
+#define WGL_DOUBLE_BUFFER_ARB                   0x2011
+#endif
+
+#ifndef WGL_RED_BITS_ARB
+#define WGL_RED_BITS_ARB                        0x2015
+#endif
+
+#ifndef WGL_GREEN_BITS_ARB
+#define WGL_GREEN_BITS_ARB                      0x2017
+#endif
+
+#ifndef WGL_BLUE_BITS_ARB
+#define WGL_BLUE_BITS_ARB                       0x2019
+#endif
+
+#ifndef WGL_ALPHA_BITS_ARB
+#define WGL_ALPHA_BITS_ARB                      0x201B
+#endif
+
+#ifndef WGL_PIXEL_TYPE_ARB
+#define WGL_PIXEL_TYPE_ARB                      0x2013
+#endif
+
+#ifndef WGL_TYPE_RGBA_ARB
+#define WGL_TYPE_RGBA_ARB                       0x202B
+#endif
+
 #endif
 
 #if defined(HAVE_OPENGL)
@@ -313,6 +354,43 @@ static void create_gl_context(HWND hwnd, bool *quit)
          RARCH_LOG("[WGL]: Adaptive VSync supported.\n");
          wgl_adaptive_vsync = true;
       }
+      if (wgl_has_extension("WGL_ARB_pixel_format", extensions))
+      {
+         BOOL (WINAPI * wglChoosePixelFormatARB)
+         (HDC hdc,
+                                 const int *piAttribIList,
+                                 const FLOAT *pfAttribFList,
+                                 UINT nMaxFormats,
+                                 int *piFormats,
+                                 UINT *nNumFormats);
+         UINT nMatchingFormats;
+         int index = 0;
+         int attribsDesired[] = {
+            WGL_DRAW_TO_WINDOW_ARB, 1,
+            WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB,
+            WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB,
+            WGL_RED_BITS_ARB, 10,
+            WGL_GREEN_BITS_ARB, 10,
+            WGL_BLUE_BITS_ARB, 10,
+            WGL_ALPHA_BITS_ARB, 2,
+            WGL_DOUBLE_BUFFER_ARB, 1,
+            0,0
+         };
+         wglChoosePixelFormatARB = (BOOL (WINAPI *) (HDC, const int *,
+                  const FLOAT*, UINT, int*, UINT*))
+            gfx_ctx_wgl_get_proc_address("wglChoosePixelFormatARB");
+
+         RARCH_LOG("[WGL]: ARB pixel format supported.\n");
+
+         if (wglChoosePixelFormatARB(win32_hdc, attribsDesired,
+                  NULL, 1, &index, &nMatchingFormats))
+         {
+            if (nMatchingFormats == 0)
+            {
+               RARCH_WARN("No 10bpc WGL_ARB_pixel_formats found!\n");
+            }
+         }
+      }
    }
 }
 #endif