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ac/llvm: implement ACCESS_USE_FORMAT_AMD as buffer_load/store_format

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19422>
This commit is contained in:
Marek Olšák 2022-11-06 19:21:54 -05:00 • committed by Marge Bot
parent 5307480f4e
commit afcbccb078
1 changed files with 13 additions and 3 deletions
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16
src/amd/llvm/ac_nir_to_llvm.c
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@ -4188,6 +4188,7 @@ static bool visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
bool reorder = nir_intrinsic_can_reorder(instr);
bool coherent = nir_intrinsic_access(instr) & ACCESS_COHERENT;
bool slc = nir_intrinsic_access(instr) & ACCESS_STREAM_CACHE_POLICY;
bool uses_format = nir_intrinsic_access(instr) & ACCESS_USES_FORMAT_AMD;
enum ac_image_cache_policy cache_policy = 0;
if (swizzled)
@ -4197,7 +4198,18 @@ static bool visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
if (coherent)
cache_policy |= ac_glc;
if (instr->intrinsic == nir_intrinsic_load_buffer_amd) {
LLVMValueRef voffset = LLVMBuildAdd(ctx->ac.builder, addr_voffset,
LLVMConstInt(ctx->ac.i32, const_offset, 0), "");
if (instr->intrinsic == nir_intrinsic_load_buffer_amd && uses_format) {
assert(instr->dest.ssa.bit_size == 16 || instr->dest.ssa.bit_size == 32);
result = ac_build_buffer_load_format(&ctx->ac, descriptor, vidx, voffset, num_components,
cache_policy, reorder,
instr->dest.ssa.bit_size == 16, false);
} else if (instr->intrinsic == nir_intrinsic_store_buffer_amd && uses_format) {
assert(instr->src[0].ssa->bit_size == 16 || instr->src[0].ssa->bit_size == 32);
ac_build_buffer_store_format(&ctx->ac, descriptor, store_data, vidx, voffset, cache_policy);
} else if (instr->intrinsic == nir_intrinsic_load_buffer_amd) {
LLVMTypeRef channel_type;
if (instr->dest.ssa.bit_size == 8)
channel_type = ctx->ac.i8;
@ -4212,8 +4224,6 @@ static bool visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
else
unreachable("Unsupported channel type for load_buffer_amd");
LLVMValueRef voffset = LLVMBuildAdd(ctx->ac.builder, addr_voffset,
LLVMConstInt(ctx->ac.i32, const_offset, 0), "");
result = ac_build_buffer_load(&ctx->ac, descriptor, num_components, vidx, voffset,
addr_soffset, channel_type, cache_policy, reorder, false);