Kenneth Graunke <kenn...@whitecape.org> writes: > "discard" instructions generate HALT instructions which jump to a final > HALT near the end of the shader. Previously, fs_generator created this > final jump target when it saw the first FS_OPCODE_FB_WRITE, causing it > to jump right before the FB write epilogue. This is normally good. > > However, INTEL_DEBUG=shader_time also has an epilogue section which > records the final timestamp. The frontend emits IR for this just before > FS_OPCODE_FB_WRITE. Unfortunately, this led to the following ordering:
Wow, that changes timings... Reviewed-by: Eric Anholt <e...@anholt.net>
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