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i965: Do NIR shader cloning in the caller.

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This moves nir_shader_clone() to the driver-specific compile function,
rather than the shared src/intel/compiler code.  This allows i965 to do
key-specific passes before calling brw_compile_*.  Vulkan should not
need this cloning as it doesn't compile multiple variants.

We do need to continue cloning in the compute shader code because we
lower various things in NIR based on the SIMD width.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
This commit is contained in:
Kenneth Graunke
2018-11-08 22:10:03 -08:00
parent 6a10dd08f4
commit 562448b75a
12 changed files with 17 additions and 21 deletions
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3
src/intel/compiler/brw_shader.cpp
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@@ -1189,7 +1189,7 @@ brw_compile_tes(const struct brw_compiler *compiler,
const struct brw_tes_prog_key *key,
const struct brw_vue_map *input_vue_map,
struct brw_tes_prog_data *prog_data,
const nir_shader *src_shader,
nir_shader *nir,
struct gl_program *prog,
int shader_time_index,
char **error_str)
@@ -1198,7 +1198,6 @@ brw_compile_tes(const struct brw_compiler *compiler,
const bool is_scalar = compiler->scalar_stage[MESA_SHADER_TESS_EVAL];
const unsigned *assembly;
nir_shader *nir = nir_shader_clone(mem_ctx, src_shader);
nir->info.inputs_read = key->inputs_read;
nir->info.patch_inputs_read = key->patch_inputs_read;