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nir: add intrinsics for AMD_shader_ballot

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Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Daniel Schürmann
2018-05-09 20:37:24 +02:00
committed by Connor Abbott
parent f2277c327a
commit ea51275e07
3 changed files with 31 additions and 0 deletions
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7
src/compiler/nir/nir.h
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@@ -1306,6 +1306,12 @@ typedef enum {
*/ */
NIR_INTRINSIC_TYPE = 20, 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_NUM_INDEX_FLAGS,
} nir_intrinsic_index_flag; } 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(align_offset, ALIGN_OFFSET, unsigned)
INTRINSIC_IDX_ACCESSORS(desc_type, DESC_TYPE, unsigned) INTRINSIC_IDX_ACCESSORS(desc_type, DESC_TYPE, unsigned)
INTRINSIC_IDX_ACCESSORS(type, TYPE, nir_alu_type) INTRINSIC_IDX_ACCESSORS(type, TYPE, nir_alu_type)
INTRINSIC_IDX_ACCESSORS(swizzle_mask, SWIZZLE_MASK, unsigned)
static inline void static inline void
nir_intrinsic_set_align(nir_intrinsic_instr *intrin, nir_intrinsic_set_align(nir_intrinsic_instr *intrin,

10
src/compiler/nir/nir_intrinsics.py
View File

@@ -120,6 +120,8 @@ ALIGN_OFFSET = "NIR_INTRINSIC_ALIGN_OFFSET"
DESC_TYPE = "NIR_INTRINSIC_DESC_TYPE" DESC_TYPE = "NIR_INTRINSIC_DESC_TYPE"
# The nir_alu_type of a uniform/input/output # The nir_alu_type of a uniform/input/output
TYPE = "NIR_INTRINSIC_TYPE" TYPE = "NIR_INTRINSIC_TYPE"
# The swizzle mask for quad_swizzle_amd & masked_swizzle_amd
SWIZZLE_MASK = "NIR_INTRINSIC_SWIZZLE_MASK"
# #
# Possible flags: # 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], intrinsic("exclusive_scan", src_comp=[0], dest_comp=0, indices=[REDUCTION_OP],
flags=[CAN_ELIMINATE]) 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. # Basic Geometry Shader intrinsics.
# #
# emit_vertex implements GLSL's EmitStreamVertex() built-in. It takes a single # emit_vertex implements GLSL's EmitStreamVertex() built-in. It takes a single

14
src/compiler/nir/nir_print.c
View File

@@ -776,6 +776,7 @@ print_intrinsic_instr(nir_intrinsic_instr *instr, print_state *state)
[NIR_INTRINSIC_ALIGN_OFFSET] = "align_offset", [NIR_INTRINSIC_ALIGN_OFFSET] = "align_offset",
[NIR_INTRINSIC_DESC_TYPE] = "desc_type", [NIR_INTRINSIC_DESC_TYPE] = "desc_type",
[NIR_INTRINSIC_TYPE] = "type", [NIR_INTRINSIC_TYPE] = "type",
[NIR_INTRINSIC_SWIZZLE_MASK] = "swizzle_mask",
}; };
for (unsigned idx = 1; idx < NIR_INTRINSIC_NUM_INDEX_FLAGS; idx++) { for (unsigned idx = 1; idx < NIR_INTRINSIC_NUM_INDEX_FLAGS; idx++) {
if (!info->index_map[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); fprintf(fp, " type=%s%u", name, size);
else else
fprintf(fp, " type=%s", name); 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 { } else {
unsigned off = info->index_map[idx] - 1; unsigned off = info->index_map[idx] - 1;
assert(index_name[idx]); /* forgot to update index_name table? */ assert(index_name[idx]); /* forgot to update index_name table? */