diff options
Diffstat (limited to 'src/cuda-sim/instructions.cc')
| -rw-r--r-- | src/cuda-sim/instructions.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/cuda-sim/instructions.cc b/src/cuda-sim/instructions.cc index d29fc8b..11001d7 100644 --- a/src/cuda-sim/instructions.cc +++ b/src/cuda-sim/instructions.cc @@ -5258,7 +5258,13 @@ void tex_impl( const ptx_instruction *pI, ptx_thread_info *thread ) if (!ptx_tex_regs) ptx_tex_regs = new ptx_reg_t[4]; unsigned nelem = src2.get_vect_nelem(); thread->get_vector_operand_values(src2, ptx_tex_regs, nelem); //ptx_reg should be 4 entry vector type...coordinates into texture - + /* + 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). + */ gpgpu_t *gpu = thread->get_gpu(); kernel_info_t &k = thread->get_kernel(); const struct textureReference* texref = gpu->get_texref(texname); |