diff options
| author | Iago Toral Quiroga <[email protected]> | 2018-07-31 15:37:59 +0200 |
|---|---|---|
| committer | Alejandro Piñeiro <[email protected]> | 2018-08-13 16:28:27 +0200 |
| commit | 40947d47445e5791d11209e27a64ef5fa9fdc40b (patch) | |
| tree | b7a738609faf581e2d21414dcd99fb81236bf90b /src/mesa | |
| parent | 32e1d4c34b3d153ce20726a39eac5f93d8ef26dc (diff) | |
mesa/glspirv: pick off the only entry point we need
This is the same we do for vulkan drivers
This is needed to pass the following CTS test:
KHR-GL45.gl_spirv.spirv_modules_shader_binary_multiple_shader_objects_test
Reviewed-by: Timothy Arceri <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/glspirv.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/main/glspirv.c b/src/mesa/main/glspirv.c index 7af73efd589..5a2d6a4bb2a 100644 --- a/src/mesa/main/glspirv.c +++ b/src/mesa/main/glspirv.c @@ -252,8 +252,23 @@ _mesa_spirv_to_nir(struct gl_context *ctx, prog->Name); nir_validate_shader(nir); + /* We have to lower away local constant initializers right before we + * inline functions. That way they get properly initialized at the top + * of the function and not at the top of its caller. + */ + NIR_PASS_V(nir, nir_lower_constant_initializers, nir_var_local); + NIR_PASS_V(nir, nir_lower_returns); + NIR_PASS_V(nir, nir_inline_functions); NIR_PASS_V(nir, nir_copy_prop); + /* Pick off the single entrypoint that we want */ + foreach_list_typed_safe(nir_function, func, node, &nir->functions) { + if (func != entry_point) + exec_node_remove(&func->node); + } + assert(exec_list_length(&nir->functions) == 1); + entry_point->name = ralloc_strdup(entry_point, "main"); + /* Split member structs. We do this before lower_io_to_temporaries so that * it doesn't lower system values to temporaries by accident. */ |