wined3d: Set the read buffer to GL_NONE in surface_load_ds_location().

On GL implementations that don't support GL_ARB_ES2_compatibility the framebuffer's read buffer has to be valid, even if we're not reading from it.

wined3d: Set the read buffer to GL_NONE in surface_load_ds_location().
e4efcea2 · Henri Verbeet · Alexandre Julliard · 5622f8f7 · e4efcea2
Commit e4efcea2 authored Aug 02, 2011 by Henri Verbeet Committed by Alexandre Julliard Aug 03, 2011
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surface.c dlls/wined3d/surface.c +1 -0

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--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -5743,6 +5743,7 @@ void surface_load_ds_location(struct wined3d_surface *surface, struct wined3d_co
        context_apply_fbo_state_blit(context, GL_FRAMEBUFFER,
                NULL, surface, SFLAG_INTEXTURE);
        context_set_draw_buffer(context, GL_NONE);
+        glReadBuffer(GL_NONE);

        /* Do the actual blit */
        surface_depth_blt(surface, gl_info, device->depth_blt_texture, 0, 0, w, h, bind_target);