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glsl: Inline builtins in a separate pass

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Previously, the ir_call functions for builtin functions were replaced
with the inline implementation immediately after being added to the
instruction list. This patch replaces that with a separate pass that
lowers them after the conversion from AST to IR is complete. This will
be useful to be able to insert some handling for the precision lowering
pass before the inlining. This needs to happen because the precision
of the operations in the inlined implementation depends on the highest
precision of all of the arguments to the call.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3885>
This commit is contained in:
Neil Roberts
2019-10-15 16:20:26 +02:00
committed by Marge Bot
parent 1ee2ad584c
commit e7434c0a06
6 changed files with 68 additions and 5 deletions
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1
src/compiler/glsl/ir_optimization.h
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@@ -176,6 +176,7 @@ bool lower_vertex_id(gl_linked_shader *shader);
bool lower_cs_derived(gl_linked_shader *shader);
bool lower_blend_equation_advanced(gl_linked_shader *shader, bool coherent);
bool lower_builtins(exec_list *instructions);
bool lower_subroutine(exec_list *instructions, struct _mesa_glsl_parse_state *state);
void propagate_invariance(exec_list *instructions);