nir: rename load_cull_small_primitive_precision -> triangle, add line_precision

for radeonsi

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31865>

src/amd/common/ac_nir_cull.c

@@ -94,7 +94,7 @@ cull_small_primitive_triangle(nir_builder *b, nir_def *bbox_min[2], nir_def *bbo
    nir_if *if_cull_small_prims = nir_push_if(b, nir_load_cull_small_triangles_enabled_amd(b));
    {
       nir_def *vp = nir_load_viewport_xy_scale_and_offset(b);
-      nir_def *small_prim_precision = nir_load_cull_small_prim_precision_amd(b);
+      nir_def *small_prim_precision = nir_load_cull_small_triangle_precision_amd(b);
       prim_is_small = prim_is_small_else;
 
       for (unsigned chan = 0; chan < 2; ++chan) {
@@ -263,7 +263,7 @@ cull_small_primitive_line(nir_builder *b, nir_def *pos[3][4],
       rotate_45degrees(b, v0);
       rotate_45degrees(b, v1);
 
-      nir_def *small_prim_precision = nir_load_cull_small_prim_precision_amd(b);
+      nir_def *small_prim_precision = nir_load_cull_small_triangle_precision_amd(b);
 
       nir_def *rounded_to_eq[2];
       for (unsigned chan = 0; chan < 2; chan++) {

src/amd/vulkan/nir/radv_nir_lower_abi.c

@@ -225,7 +225,7 @@ lower_abi_instr(nir_builder *b, nir_intrinsic_instr *intrin, void *state)
    case nir_intrinsic_load_cull_small_triangles_enabled_amd:
       replacement = nggc_bool_setting(b, radv_nggc_small_primitives, s);
       break;
-   case nir_intrinsic_load_cull_small_prim_precision_amd: {
+   case nir_intrinsic_load_cull_small_triangle_precision_amd: {
       /* To save space, only the exponent is stored in the high 8 bits.
        * We calculate the precision from those 8 bits:
        * exponent = nggc_settings >> 24

src/compiler/nir/nir_divergence_analysis.c

@@ -291,7 +291,8 @@ visit_intrinsic(nir_intrinsic_instr *instr, struct divergence_state *state)
    case nir_intrinsic_load_cull_small_triangles_enabled_amd:
    case nir_intrinsic_load_cull_small_lines_enabled_amd:
    case nir_intrinsic_load_cull_any_enabled_amd:
-   case nir_intrinsic_load_cull_small_prim_precision_amd:
+   case nir_intrinsic_load_cull_small_triangle_precision_amd:
+   case nir_intrinsic_load_cull_small_line_precision_amd:
    case nir_intrinsic_load_user_data_amd:
    case nir_intrinsic_load_force_vrs_rates_amd:
    case nir_intrinsic_load_tess_level_inner_default:

src/compiler/nir/nir_intrinsics.py

@@ -1650,8 +1650,10 @@ intrinsic("load_cull_small_triangles_enabled_amd", dest_comp=1, bit_sizes=[1], f
 intrinsic("load_cull_small_lines_enabled_amd", dest_comp=1, bit_sizes=[1], flags=[CAN_ELIMINATE])
 # Whether any culling setting is enabled in the shader.
 intrinsic("load_cull_any_enabled_amd", dest_comp=1, bit_sizes=[1], flags=[CAN_ELIMINATE])
-# Small primitive culling precision
-intrinsic("load_cull_small_prim_precision_amd", dest_comp=1, bit_sizes=[32], flags=[CAN_ELIMINATE, CAN_REORDER])
+# Small triangle culling precision
+intrinsic("load_cull_small_triangle_precision_amd", dest_comp=1, bit_sizes=[32], flags=[CAN_ELIMINATE, CAN_REORDER])
+# Small line culling precision
+intrinsic("load_cull_small_line_precision_amd", dest_comp=1, bit_sizes=[32], flags=[CAN_ELIMINATE, CAN_REORDER])
 # Initial edge flags in a Vertex Shader, packed into the format the HW needs for primitive export.
 intrinsic("load_initial_edgeflags_amd", src_comp=[], dest_comp=1, bit_sizes=[32], indices=[])
 # Corresponds to s_sendmsg in the GCN/RDNA ISA, src[] = { m0_content }, BASE = imm

src/compiler/nir/nir_opt_preamble.c

@@ -185,7 +185,7 @@ can_move_intrinsic(nir_intrinsic_instr *instr, opt_preamble_ctx *ctx)
    case nir_intrinsic_load_cull_small_triangles_enabled_amd:
    case nir_intrinsic_load_cull_small_lines_enabled_amd:
    case nir_intrinsic_load_cull_any_enabled_amd:
-   case nir_intrinsic_load_cull_small_prim_precision_amd:
+   case nir_intrinsic_load_cull_small_triangle_precision_amd:
    case nir_intrinsic_load_vbo_base_agx:
       return true;
 

src/gallium/drivers/radeonsi/si_nir_lower_abi.c

@@ -406,7 +406,7 @@ static bool lower_intrinsic(nir_builder *b, nir_instr *instr, struct lower_abi_s
    case nir_intrinsic_load_cull_front_face_enabled_amd:
       replacement = nir_imm_bool(b, key->ge.opt.ngg_culling & SI_NGG_CULL_FRONT_FACE);
       break;
-   case nir_intrinsic_load_cull_small_prim_precision_amd: {
+   case nir_intrinsic_load_cull_small_triangle_precision_amd: {
       nir_def *small_prim_precision =
          key->ge.opt.ngg_culling & SI_NGG_CULL_LINES ?
          GET_FIELD_NIR(GS_STATE_SMALL_PRIM_PRECISION_NO_AA) :