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-rw-r--r--src/gallium/drivers/iris/iris_context.h3
-rw-r--r--src/gallium/drivers/iris/iris_program.c10
2 files changed, 9 insertions, 4 deletions
diff --git a/src/gallium/drivers/iris/iris_context.h b/src/gallium/drivers/iris/iris_context.h
index add6a9a9e34..75e13778631 100644
--- a/src/gallium/drivers/iris/iris_context.h
+++ b/src/gallium/drivers/iris/iris_context.h
@@ -271,6 +271,9 @@ struct iris_uncompiled_shader {
/** Have any shader variants been compiled yet? */
bool compiled_once;
+
+ /** Should we use ALT mode for math? Useful for ARB programs. */
+ bool use_alt_mode;
};
/**
diff --git a/src/gallium/drivers/iris/iris_program.c b/src/gallium/drivers/iris/iris_program.c
index 21651bfd2c9..a5cd987664f 100644
--- a/src/gallium/drivers/iris/iris_program.c
+++ b/src/gallium/drivers/iris/iris_program.c
@@ -543,8 +543,7 @@ iris_compile_vs(struct iris_context *ice,
nir_shader_gather_info(nir, impl);
}
- if (nir->info.name && strncmp(nir->info.name, "ARB", 3) == 0)
- prog_data->use_alt_mode = true;
+ prog_data->use_alt_mode = ish->use_alt_mode;
iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
@@ -1061,8 +1060,7 @@ iris_compile_fs(struct iris_context *ice,
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
- if (nir->info.name && strncmp(nir->info.name, "ARB", 3) == 0)
- prog_data->use_alt_mode = true;
+ prog_data->use_alt_mode = ish->use_alt_mode;
iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
@@ -1490,6 +1488,10 @@ iris_create_uncompiled_shader(struct pipe_context *ctx,
update_so_info(&ish->stream_output, nir->info.outputs_written);
}
+ /* Save this now before potentially dropping nir->info.name */
+ if (nir->info.name && strncmp(nir->info.name, "ARB", 3) == 0)
+ ish->use_alt_mode = true;
+
if (screen->disk_cache) {
/* Serialize the NIR to a binary blob that we can hash for the disk
* cache. First, drop unnecessary information (like variable names)