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Diffstat (limited to 'src/cuda-sim/cuda-sim.cc')
| -rw-r--r-- | src/cuda-sim/cuda-sim.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc index a51ea3e..9d59411 100644 --- a/src/cuda-sim/cuda-sim.cc +++ b/src/cuda-sim/cuda-sim.cc @@ -1507,6 +1507,13 @@ static unsigned get_tex_datasize( const ptx_instruction *pI, ptx_thread_info *th std::string texname = src1.name(); gpgpu_t *gpu = thread->get_gpu(); + /* + For programs with many streams, textures can be bound and unbound + asynchronously. This means we need to use the kernel's "snapshot" of + the state of the texture mappings when it was launched (so that we + don't try to access the incorrect texture mapping if it's been updated, + or that we don't access a mapping that has been unbound). + */ kernel_info_t& k = thread->get_kernel(); const struct textureInfo* texInfo = k.get_texinfo(texname); |