wined3d: Skip blending test on some texture formats.

It doesn't make sense to test NULL and P8, while the luminance formats right now aren't really tested anyway (and "incidentally" that also workarounds a Nvidia drivers bug).

wined3d: Skip blending test on some texture formats.
62a2ad3d · Matteo Bruni · Alexandre Julliard · 56c9952e · 62a2ad3d
Commit 62a2ad3d authored Nov 09, 2011 by Matteo Bruni Committed by Alexandre Julliard Nov 14, 2011
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utils.c dlls/wined3d/utils.c +3 -1

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--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -1061,7 +1061,9 @@ static void check_fbo_compat(const struct wined3d_gl_info *gl_info, struct wined
    }
    if (status == GL_FRAMEBUFFER_COMPLETE && ((format->flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING)
-            || !(gl_info->quirks & WINED3D_QUIRK_LIMITED_TEX_FILTERING)))
+            || !(gl_info->quirks & WINED3D_QUIRK_LIMITED_TEX_FILTERING))
+            && format->id != WINED3DFMT_NULL && format->id != WINED3DFMT_P8_UINT
+            && format->glFormat != GL_LUMINANCE && format->glFormat != GL_LUMINANCE_ALPHA)
    {
        GLuint rb, tex2;
        DWORD readback[16 * 16], color;