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nir: drop support for using load_alpha_ref_float

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7251>
This commit is contained in:
Erik Faye-Lund
2019-10-07 12:08:55 +02:00
committed by Marge Bot
parent 1404b8b1e5
commit 42ee423e3a
1 changed files with 11 additions and 14 deletions
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25
src/compiler/nir/nir_lower_alpha_test.c
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@@ -40,6 +40,7 @@ nir_lower_alpha_test(nir_shader *shader, enum compare_func func,
bool alpha_to_one,
const gl_state_index16 *alpha_ref_state_tokens)
{
assert(alpha_ref_state_tokens);
assert(shader->info.stage == MESA_SHADER_FRAGMENT);
nir_foreach_function(function, shader) {
@@ -94,20 +95,16 @@ nir_lower_alpha_test(nir_shader *shader, enum compare_func func,
3);
}
nir_ssa_def *alpha_ref;
if (alpha_ref_state_tokens) {
nir_variable *var = nir_variable_create(shader,
nir_var_uniform,
glsl_float_type(),
"gl_AlphaRefMESA");
var->num_state_slots = 1;
var->state_slots = ralloc_array(var, nir_state_slot, 1);
memcpy(var->state_slots[0].tokens,
alpha_ref_state_tokens,
sizeof(var->state_slots[0].tokens));
alpha_ref = nir_load_var(&b, var);
} else
alpha_ref = nir_load_alpha_ref_float(&b);
nir_variable *var = nir_variable_create(shader,
nir_var_uniform,
glsl_float_type(),
"gl_AlphaRefMESA");
var->num_state_slots = 1;
var->state_slots = ralloc_array(var, nir_state_slot, 1);
memcpy(var->state_slots[0].tokens,
alpha_ref_state_tokens,
sizeof(var->state_slots[0].tokens));
nir_ssa_def *alpha_ref = nir_load_var(&b, var);
nir_ssa_def *condition =
nir_compare_func(&b, func, alpha, alpha_ref);