radv: allow to skip DCC decompressions with the new predicate
Feral games aren't affected because they don't decompress DCC. F1 2018 has one DCC decompression per frame, but I don't see any performance improvements. This new predicate will be probably more useful for DCC/MSAA. Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
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@ -551,13 +551,14 @@ radv_device_init_meta_fast_clear_flush_state(struct radv_device *device, bool on
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static void
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radv_emit_set_predication_state_from_image(struct radv_cmd_buffer *cmd_buffer,
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struct radv_image *image, bool value)
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struct radv_image *image,
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uint64_t pred_offset, bool value)
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{
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uint64_t va = 0;
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if (value) {
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va = radv_buffer_get_va(image->bo) + image->offset;
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va += image->fce_pred_offset;
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va += pred_offset;
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}
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si_emit_set_predication_state(cmd_buffer, true, va);
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@ -600,10 +601,13 @@ radv_emit_color_decompress(struct radv_cmd_buffer *cmd_buffer,
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pipeline = cmd_buffer->device->meta_state.fast_clear_flush.cmask_eliminate_pipeline;
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}
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if (!decompress_dcc && radv_image_has_dcc(image)) {
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if (radv_image_has_dcc(image)) {
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uint64_t pred_offset = decompress_dcc ? image->dcc_pred_offset :
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image->fce_pred_offset;
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old_predicating = cmd_buffer->state.predicating;
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radv_emit_set_predication_state_from_image(cmd_buffer, image, true);
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radv_emit_set_predication_state_from_image(cmd_buffer, image, pred_offset, true);
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cmd_buffer->state.predicating = true;
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}
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@ -688,10 +692,13 @@ radv_emit_color_decompress(struct radv_cmd_buffer *cmd_buffer,
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&cmd_buffer->pool->alloc);
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}
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if (!decompress_dcc && radv_image_has_dcc(image)) {
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if (radv_image_has_dcc(image)) {
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uint64_t pred_offset = decompress_dcc ? image->dcc_pred_offset :
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image->fce_pred_offset;
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cmd_buffer->state.predicating = old_predicating;
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radv_emit_set_predication_state_from_image(cmd_buffer, image, false);
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radv_emit_set_predication_state_from_image(cmd_buffer, image, pred_offset, false);
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if (cmd_buffer->state.predication_type != -1) {
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/* Restore previous conditional rendering user state. */
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