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nir: add a lower_mediump_io callback into options

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This will be called by the GLSL linker before nir_opt_varyings.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26918>
This commit is contained in:
Marek Olšák
2023-12-30 16:43:35 -05:00
parent ecf0fe09f0
commit 5ffa4d879c
2 changed files with 8 additions and 0 deletions
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5
src/compiler/nir/nir.h
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@@ -4063,6 +4063,11 @@ typedef struct nir_shader_compiler_options {
/** Options determining lowering and behavior of inputs and outputs. */ /** Options determining lowering and behavior of inputs and outputs. */
nir_io_options io_options; nir_io_options io_options;
/** Driver callback where drivers can define how to lower mediump.
* Used by nir_lower_io_passes.
*/
void (*lower_mediump_io)(struct nir_shader *nir);
} nir_shader_compiler_options; } nir_shader_compiler_options;
typedef struct nir_shader { typedef struct nir_shader {

3
src/compiler/nir/nir_lower_io.c
View File

@@ -3259,5 +3259,8 @@ nir_lower_io_passes(nir_shader *nir, bool renumber_vs_inputs)
if (nir->xfb_info) if (nir->xfb_info)
NIR_PASS_V(nir, nir_io_add_intrinsic_xfb_info); NIR_PASS_V(nir, nir_io_add_intrinsic_xfb_info);
if (nir->options->lower_mediump_io)
nir->options->lower_mediump_io(nir);
nir->info.io_lowered = true; nir->info.io_lowered = true;
} }