virgl: Remove formats with unusual sample count.

Most GPU require the sample count is power of 2. Just remove those
formats with unusual sample count. This decreases dEQP EGL tests run
time a lot.

Signed-off-by: Lepton Wu <lepton@chromium.org>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index 13e5bf57d07a4c05ddb6bfa141081d7acda6f184..bfa42b5910295aa18f245fa1fc090a7ce508e023 100644 (file)
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -659,6 +659,9 @@ virgl_is_format_supported( struct pipe_screen *screen,
    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
       return false;
 
+   if (!util_is_power_of_two_or_zero(sample_count))
+      return false;
+
    assert(target == PIPE_BUFFER ||
           target == PIPE_TEXTURE_1D ||
           target == PIPE_TEXTURE_1D_ARRAY ||