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ir3: Move nir_intrinsic_barycentric_sysval to common ir3

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Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34422>
This commit is contained in:
Danylo Piliaiev 2025-04-08 13:51:11 +02:00 • committed by Marge Bot
parent 33caee7dfe
commit c4c7482a90
3 changed files with 41 additions and 37 deletions
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38
src/freedreno/ir3/ir3_compiler_nir.c
View file

@ -2216,47 +2216,11 @@ get_barycentric(struct ir3_context *ctx, enum ir3_bary bary)
return ctx->ij[bary];
}
/* TODO: make this a common NIR helper?
* there is a nir_system_value_from_intrinsic but it takes nir_intrinsic_op so
* it can't be extended to work with this
*/
static gl_system_value
nir_intrinsic_barycentric_sysval(nir_intrinsic_instr *intr)
{
enum glsl_interp_mode interp_mode = nir_intrinsic_interp_mode(intr);
gl_system_value sysval;
switch (intr->intrinsic) {
case nir_intrinsic_load_barycentric_pixel:
if (interp_mode == INTERP_MODE_NOPERSPECTIVE)
sysval = SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL;
else
sysval = SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL;
break;
case nir_intrinsic_load_barycentric_centroid:
if (interp_mode == INTERP_MODE_NOPERSPECTIVE)
sysval = SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID;
else
sysval = SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID;
break;
case nir_intrinsic_load_barycentric_sample:
if (interp_mode == INTERP_MODE_NOPERSPECTIVE)
sysval = SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE;
else
sysval = SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE;
break;
default:
unreachable("invalid barycentric intrinsic");
}
return sysval;
}
static void
emit_intrinsic_barycentric(struct ir3_context *ctx, nir_intrinsic_instr *intr,
struct ir3_instruction **dst)
{
gl_system_value sysval = nir_intrinsic_barycentric_sysval(intr);
gl_system_value sysval = ir3_nir_intrinsic_barycentric_sysval(intr);
if (!ctx->so->key.msaa && ctx->compiler->gen < 6) {
switch (sysval) {

33
src/freedreno/ir3/ir3_nir.c
View file

@ -1594,3 +1594,36 @@ ir3_const_state_get_free_space(const struct ir3_shader_variant *v,
free_space_vec4 = ROUND_DOWN_TO(free_space_vec4, align_vec4);
return free_space_vec4;
}
gl_system_value
ir3_nir_intrinsic_barycentric_sysval(nir_intrinsic_instr *intr)
{
enum glsl_interp_mode interp_mode =
(enum glsl_interp_mode)nir_intrinsic_interp_mode(intr);
gl_system_value sysval;
switch (intr->intrinsic) {
case nir_intrinsic_load_barycentric_pixel:
if (interp_mode == INTERP_MODE_NOPERSPECTIVE)
sysval = SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL;
else
sysval = SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL;
break;
case nir_intrinsic_load_barycentric_centroid:
if (interp_mode == INTERP_MODE_NOPERSPECTIVE)
sysval = SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID;
else
sysval = SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID;
break;
case nir_intrinsic_load_barycentric_sample:
if (interp_mode == INTERP_MODE_NOPERSPECTIVE)
sysval = SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE;
else
sysval = SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE;
break;
default:
unreachable("invalid barycentric intrinsic");
}
return sysval;
}

7
src/freedreno/ir3/ir3_nir.h
View file

@ -196,6 +196,13 @@ is_intrinsic_load(nir_intrinsic_op op)
uint32_t ir3_nir_max_imm_offset(nir_intrinsic_instr *intrin, const void *data);
/* TODO: make this a common NIR helper?
* there is a nir_system_value_from_intrinsic but it takes nir_intrinsic_op so
* it can't be extended to work with this
*/
gl_system_value
ir3_nir_intrinsic_barycentric_sysval(nir_intrinsic_instr *intr);
ENDC;
#endif /* IR3_NIR_H_ */