Rewrite surface implementation to more accurately support unofficial …

…CUDA semantics (#203) This fixes black screen in some CompuBench tests (TV-L1 Optical Flow) and other apps that use CUDA surfaces incorrectly
vosen · Apr 14, 2024 · 5d5f7cc · 5d5f7cc
1 parent 774f4bc
commit 5d5f7cc
Show file tree

Hide file tree

Showing 8 changed files with 547 additions and 277 deletions.
diff --git a/README.md b/README.md
@@ -215,10 +215,6 @@ Performance is currently much lower than the native HIP backend, see the discuss
 
   This is a ROCm/HIP bug. Currently, CompuBench tests have to be run one at a time.
 
-- Some tests output black screen.
-
-  This is due to a bug (or an unintended hardware feature) in CompuBench that just happens to work on NVIDIA GPUs.
-
 #### V-Ray Benchmark
 
 - Currently, ZLUDA crashes when running V-Ray benchmark. Nonetheless, certain "lucky" older combinations of ZLUDA and ROCm/HIP are known to run V-Ray Benchmark successfully.

diff --git a/ptx/lib/zluda_ptx_impl.bc b/ptx/lib/zluda_ptx_impl.bc