From 4f799264d1ac40769f84d27e945e981a89f4346e Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Mon, 29 Oct 2018 22:41:18 -0700 Subject: [PATCH] st/nir: Move varying setup code to a helper function. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit I want to reuse this for built-in shaders. Reviewed-by: Marek Olšák Tested-by: Rob Clark Tested-by: Eric Anholt --- src/mesa/state_tracker/st_glsl_to_nir.cpp | 46 +++++++++++++---------- src/mesa/state_tracker/st_nir.h | 3 ++ 2 files changed, 29 insertions(+), 20 deletions(-) diff --git a/src/mesa/state_tracker/st_glsl_to_nir.cpp b/src/mesa/state_tracker/st_glsl_to_nir.cpp index 271a30eab70..d87444aa70c 100644 --- a/src/mesa/state_tracker/st_glsl_to_nir.cpp +++ b/src/mesa/state_tracker/st_glsl_to_nir.cpp @@ -794,27 +794,9 @@ st_link_nir(struct gl_context *ctx, return true; } -/* Last third of preparing nir from glsl, which happens after shader - * variant lowering. - */ void -st_finalize_nir(struct st_context *st, struct gl_program *prog, - struct gl_shader_program *shader_program, nir_shader *nir) +st_nir_assign_varying_locations(struct st_context *st, nir_shader *nir) { - struct pipe_screen *screen = st->pipe->screen; - const nir_shader_compiler_options *options = - st->ctx->Const.ShaderCompilerOptions[prog->info.stage].NirOptions; - - NIR_PASS_V(nir, nir_split_var_copies); - NIR_PASS_V(nir, nir_lower_var_copies); - if (options->lower_all_io_to_temps || - nir->info.stage == MESA_SHADER_VERTEX || - nir->info.stage == MESA_SHADER_GEOMETRY) { - NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, false); - } else if (nir->info.stage == MESA_SHADER_FRAGMENT) { - NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, true); - } - if (nir->info.stage == MESA_SHADER_VERTEX) { /* Needs special handling so drvloc matches the vbo state: */ st_nir_assign_vs_in_locations(nir); @@ -852,9 +834,33 @@ st_finalize_nir(struct st_context *st, struct gl_program *prog, } else if (nir->info.stage == MESA_SHADER_COMPUTE) { /* TODO? */ } else { - unreachable("invalid shader type for tgsi bypass\n"); + unreachable("invalid shader type"); + } +} + +/* Last third of preparing nir from glsl, which happens after shader + * variant lowering. + */ +void +st_finalize_nir(struct st_context *st, struct gl_program *prog, + struct gl_shader_program *shader_program, nir_shader *nir) +{ + struct pipe_screen *screen = st->pipe->screen; + const nir_shader_compiler_options *options = + st->ctx->Const.ShaderCompilerOptions[prog->info.stage].NirOptions; + + NIR_PASS_V(nir, nir_split_var_copies); + NIR_PASS_V(nir, nir_lower_var_copies); + if (options->lower_all_io_to_temps || + nir->info.stage == MESA_SHADER_VERTEX || + nir->info.stage == MESA_SHADER_GEOMETRY) { + NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, false); + } else if (nir->info.stage == MESA_SHADER_FRAGMENT) { + NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, true); } + st_nir_assign_varying_locations(st, nir); + NIR_PASS_V(nir, nir_lower_atomics_to_ssbo, st->ctx->Const.Program[nir->info.stage].MaxAtomicBuffers); diff --git a/src/mesa/state_tracker/st_nir.h b/src/mesa/state_tracker/st_nir.h index 10f23c03ef6..1bb65c9d3f1 100644 --- a/src/mesa/state_tracker/st_nir.h +++ b/src/mesa/state_tracker/st_nir.h @@ -52,6 +52,9 @@ bool st_link_nir(struct gl_context *ctx, struct gl_shader_program *shader_program); +void st_nir_assign_varying_locations(struct st_context *st, + struct nir_shader *nir); + #ifdef __cplusplus } #endif -- 2.30.2