radv: add a workaround for fast clears with DCC and MSAA textures
This should be fixed at some point in order to improve performance. Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
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@ -1062,6 +1062,15 @@ emit_fast_color_clear(struct radv_cmd_buffer *cmd_buffer,
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if (iview->image->info.samples > 1) {
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if (iview->image->info.samples > 1) {
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/* DCC fast clear with MSAA should clear CMASK. */
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/* DCC fast clear with MSAA should clear CMASK. */
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/* FIXME: This doesn't work for now. There is a
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* hardware bug with fast clears and DCC for MSAA
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* textures. AMDVLK has a workaround but it doesn't
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* seem to work here. Note that we might emit useless
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* CB flushes but that shouldn't matter.
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*/
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if (!can_avoid_fast_clear_elim)
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goto fail;
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assert(radv_image_has_cmask(iview->image));
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assert(radv_image_has_cmask(iview->image));
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flush_bits = radv_clear_cmask(cmd_buffer, iview->image,
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flush_bits = radv_clear_cmask(cmd_buffer, iview->image,
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