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authorIlia Mirkin <[email protected]>2015-11-22 17:46:13 -0500
committerIlia Mirkin <[email protected]>2015-11-23 11:17:16 -0500
commit754b26e76dd7738a3dc5d6be8eb5a6d7b256ee1a (patch)
tree119c4bc024bfdfb646e68aa5751a28601a82e8c6 /src
parentcca8dd4e938e6c2bd0a28564347aa69211529e1b (diff)
freedreno/ir3: add support for a few gs5 ops
Tested on a4xx. This is part of the builtins added by ARB_gpu_shader5 and GLSL ES 3.10. Signed-off-by: Ilia Mirkin <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
index fc163b49975..156bb0be247 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
@@ -1177,6 +1177,33 @@ emit_alu(struct ir3_compile *ctx, nir_alu_instr *alu)
dst[0] = ir3_SEL_B32(b, src[1], 0, ir3_b2n(b, src[0]), 0, src[2], 0);
break;
+ case nir_op_bit_count:
+ dst[0] = ir3_CBITS_B(b, src[0], 0);
+ break;
+ case nir_op_ifind_msb: {
+ struct ir3_instruction *cmp;
+ dst[0] = ir3_CLZ_S(b, src[0], 0);
+ cmp = ir3_CMPS_S(b, dst[0], 0, create_immed(b, 0), 0);
+ cmp->cat2.condition = IR3_COND_GE;
+ dst[0] = ir3_SEL_B32(b,
+ ir3_SUB_U(b, create_immed(b, 31), 0, dst[0], 0), 0,
+ cmp, 0, dst[0], 0);
+ break;
+ }
+ case nir_op_ufind_msb:
+ dst[0] = ir3_CLZ_B(b, src[0], 0);
+ dst[0] = ir3_SEL_B32(b,
+ ir3_SUB_U(b, create_immed(b, 31), 0, dst[0], 0), 0,
+ src[0], 0, dst[0], 0);
+ break;
+ case nir_op_find_lsb:
+ dst[0] = ir3_BFREV_B(b, src[0], 0);
+ dst[0] = ir3_CLZ_B(b, dst[0], 0);
+ break;
+ case nir_op_bitfield_reverse:
+ dst[0] = ir3_BFREV_B(b, src[0], 0);
+ break;
+
default:
compile_error(ctx, "Unhandled ALU op: %s\n",
nir_op_infos[alu->op].name);