From ea51275e07b06b16a952d8108c3a543e38249350 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Daniel=20Sch=C3=BCrmann?= Date: Wed, 9 May 2018 20:37:24 +0200 Subject: [PATCH] nir: add intrinsics for AMD_shader_ballot Reviewed-by: Connor Abbott --- src/compiler/nir/nir.h | 7 +++++++ src/compiler/nir/nir_intrinsics.py | 10 ++++++++++ src/compiler/nir/nir_print.c | 14 ++++++++++++++ 3 files changed, 31 insertions(+) diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h index e179481b8ea..3aed1c29945 100644 --- a/src/compiler/nir/nir.h +++ b/src/compiler/nir/nir.h @@ -1306,6 +1306,12 @@ typedef enum { */ NIR_INTRINSIC_TYPE = 20, + /** + * The swizzle mask for the instructions + * SwizzleInvocationsAMD and SwizzleInvocationsMaskedAMD + */ + NIR_INTRINSIC_SWIZZLE_MASK = 20, + NIR_INTRINSIC_NUM_INDEX_FLAGS, } nir_intrinsic_index_flag; @@ -1411,6 +1417,7 @@ INTRINSIC_IDX_ACCESSORS(align_mul, ALIGN_MUL, unsigned) INTRINSIC_IDX_ACCESSORS(align_offset, ALIGN_OFFSET, unsigned) INTRINSIC_IDX_ACCESSORS(desc_type, DESC_TYPE, unsigned) INTRINSIC_IDX_ACCESSORS(type, TYPE, nir_alu_type) +INTRINSIC_IDX_ACCESSORS(swizzle_mask, SWIZZLE_MASK, unsigned) static inline void nir_intrinsic_set_align(nir_intrinsic_instr *intrin, diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py index 0ae33a17fe0..155a548d1b8 100644 --- a/src/compiler/nir/nir_intrinsics.py +++ b/src/compiler/nir/nir_intrinsics.py @@ -120,6 +120,8 @@ ALIGN_OFFSET = "NIR_INTRINSIC_ALIGN_OFFSET" DESC_TYPE = "NIR_INTRINSIC_DESC_TYPE" # The nir_alu_type of a uniform/input/output TYPE = "NIR_INTRINSIC_TYPE" +# The swizzle mask for quad_swizzle_amd & masked_swizzle_amd +SWIZZLE_MASK = "NIR_INTRINSIC_SWIZZLE_MASK" # # Possible flags: @@ -267,6 +269,14 @@ intrinsic("inclusive_scan", src_comp=[0], dest_comp=0, indices=[REDUCTION_OP], intrinsic("exclusive_scan", src_comp=[0], dest_comp=0, indices=[REDUCTION_OP], flags=[CAN_ELIMINATE]) +# AMD shader ballot operations +intrinsic("quad_swizzle_amd", src_comp=[0], dest_comp=0, indices=[SWIZZLE_MASK], + flags=[CAN_ELIMINATE]) +intrinsic("masked_swizzle_amd", src_comp=[0], dest_comp=0, indices=[SWIZZLE_MASK], + flags=[CAN_ELIMINATE]) +intrinsic("write_invocation_amd", src_comp=[0, 0, 1], dest_comp=0, flags=[CAN_ELIMINATE]) +intrinsic("mbcnt_amd", src_comp=[1], dest_comp=1, flags=[CAN_ELIMINATE]) + # Basic Geometry Shader intrinsics. # # emit_vertex implements GLSL's EmitStreamVertex() built-in. It takes a single diff --git a/src/compiler/nir/nir_print.c b/src/compiler/nir/nir_print.c index 03509e1cc65..d67c6c79c17 100644 --- a/src/compiler/nir/nir_print.c +++ b/src/compiler/nir/nir_print.c @@ -776,6 +776,7 @@ print_intrinsic_instr(nir_intrinsic_instr *instr, print_state *state) [NIR_INTRINSIC_ALIGN_OFFSET] = "align_offset", [NIR_INTRINSIC_DESC_TYPE] = "desc_type", [NIR_INTRINSIC_TYPE] = "type", + [NIR_INTRINSIC_SWIZZLE_MASK] = "swizzle_mask", }; for (unsigned idx = 1; idx < NIR_INTRINSIC_NUM_INDEX_FLAGS; idx++) { if (!info->index_map[idx]) @@ -827,6 +828,19 @@ print_intrinsic_instr(nir_intrinsic_instr *instr, print_state *state) fprintf(fp, " type=%s%u", name, size); else fprintf(fp, " type=%s", name); + } else if (idx == NIR_INTRINSIC_SWIZZLE_MASK) { + fprintf(fp, " swizzle_mask="); + unsigned mask = nir_intrinsic_swizzle_mask(instr); + if (instr->intrinsic == nir_intrinsic_quad_swizzle_amd) { + for (unsigned i = 0; i < 4; i++) + fprintf(fp, "%d", (mask >> (i * 2) & 3)); + } else if (instr->intrinsic == nir_intrinsic_masked_swizzle_amd) { + fprintf(fp, "((id & %d) | %d) ^ %d", mask & 0x1F, + (mask >> 5) & 0x1F, + (mask >> 10) & 0x1F); + } else { + fprintf(fp, "%d", mask); + } } else { unsigned off = info->index_map[idx] - 1; assert(index_name[idx]); /* forgot to update index_name table? */ -- 2.30.2