mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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gallivm/llvmpipe: add support for global operations.
Acked-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie
parent
9630c2ddd8
commit
264663d55d
6 changed files with 332 additions and 0 deletions
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@ -1212,6 +1212,41 @@ static void visit_load_kernel_input(struct lp_build_nir_context *bld_base,
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offset_is_uniform, offset, result);
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offset_is_uniform, offset, result);
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}
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}
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static void visit_load_global(struct lp_build_nir_context *bld_base,
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nir_intrinsic_instr *instr, LLVMValueRef result[4])
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{
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LLVMValueRef addr = get_src(bld_base, instr->src[0]);
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bld_base->load_global(bld_base, nir_dest_num_components(instr->dest), nir_dest_bit_size(instr->dest),
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nir_src_bit_size(instr->src[0]),
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addr, result);
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}
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static void visit_store_global(struct lp_build_nir_context *bld_base,
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nir_intrinsic_instr *instr)
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{
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LLVMValueRef val = get_src(bld_base, instr->src[0]);
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int nc = nir_src_num_components(instr->src[0]);
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int bitsize = nir_src_bit_size(instr->src[0]);
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LLVMValueRef addr = get_src(bld_base, instr->src[1]);
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int addr_bitsize = nir_src_bit_size(instr->src[1]);
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int writemask = instr->const_index[0];
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bld_base->store_global(bld_base, writemask, nc, bitsize, addr_bitsize, addr, val);
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}
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static void visit_global_atomic(struct lp_build_nir_context *bld_base,
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nir_intrinsic_instr *instr,
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LLVMValueRef result[4])
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{
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LLVMValueRef addr = get_src(bld_base, instr->src[0]);
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LLVMValueRef val = get_src(bld_base, instr->src[1]);
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LLVMValueRef val2 = NULL;
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int addr_bitsize = nir_src_bit_size(instr->src[0]);
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if (instr->intrinsic == nir_intrinsic_global_atomic_comp_swap)
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val2 = get_src(bld_base, instr->src[2]);
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bld_base->atomic_global(bld_base, instr->intrinsic, addr_bitsize, addr, val, val2, &result[0]);
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}
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static void visit_intrinsic(struct lp_build_nir_context *bld_base,
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static void visit_intrinsic(struct lp_build_nir_context *bld_base,
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nir_intrinsic_instr *instr)
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nir_intrinsic_instr *instr)
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{
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{
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@ -1318,6 +1353,24 @@ static void visit_intrinsic(struct lp_build_nir_context *bld_base,
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break;
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break;
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case nir_intrinsic_load_kernel_input:
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case nir_intrinsic_load_kernel_input:
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visit_load_kernel_input(bld_base, instr, result);
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visit_load_kernel_input(bld_base, instr, result);
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break;
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case nir_intrinsic_load_global:
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visit_load_global(bld_base, instr, result);
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break;
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case nir_intrinsic_store_global:
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visit_store_global(bld_base, instr);
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break;
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case nir_intrinsic_global_atomic_add:
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case nir_intrinsic_global_atomic_imin:
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case nir_intrinsic_global_atomic_umin:
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case nir_intrinsic_global_atomic_imax:
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case nir_intrinsic_global_atomic_umax:
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case nir_intrinsic_global_atomic_and:
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case nir_intrinsic_global_atomic_or:
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case nir_intrinsic_global_atomic_xor:
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case nir_intrinsic_global_atomic_exchange:
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case nir_intrinsic_global_atomic_comp_swap:
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visit_global_atomic(bld_base, instr, result);
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break;
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break;
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default:
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default:
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assert(0);
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assert(0);
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@ -72,6 +72,24 @@ struct lp_build_nir_context
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bool offset_is_uniform,
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bool offset_is_uniform,
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LLVMValueRef offset, LLVMValueRef result[4]);
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LLVMValueRef offset, LLVMValueRef result[4]);
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void (*load_global)(struct lp_build_nir_context *bld_base,
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unsigned nc, unsigned bit_size,
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unsigned offset_bit_size,
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LLVMValueRef offset, LLVMValueRef result[4]);
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void (*store_global)(struct lp_build_nir_context *bld_base,
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unsigned writemask,
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unsigned nc, unsigned bit_size,
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unsigned addr_bit_size,
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LLVMValueRef addr, LLVMValueRef dst);
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void (*atomic_global)(struct lp_build_nir_context *bld_base,
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nir_intrinsic_op op,
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unsigned addr_bit_size,
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LLVMValueRef addr,
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LLVMValueRef val, LLVMValueRef val2,
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LLVMValueRef *result);
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/* for SSBO and shared memory */
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/* for SSBO and shared memory */
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void (*load_mem)(struct lp_build_nir_context *bld_base,
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void (*load_mem)(struct lp_build_nir_context *bld_base,
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unsigned nc, unsigned bit_size,
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unsigned nc, unsigned bit_size,
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@ -527,6 +527,201 @@ static void emit_load_kernel_arg(struct lp_build_nir_context *bld_base,
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}
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}
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}
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}
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static LLVMValueRef global_addr_to_ptr(struct gallivm_state *gallivm, LLVMValueRef addr_ptr, unsigned bit_size)
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{
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LLVMBuilderRef builder = gallivm->builder;
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switch (bit_size) {
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case 8:
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addr_ptr = LLVMBuildIntToPtr(builder, addr_ptr, LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0), "");
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break;
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case 16:
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addr_ptr = LLVMBuildIntToPtr(builder, addr_ptr, LLVMPointerType(LLVMInt16TypeInContext(gallivm->context), 0), "");
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break;
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case 32:
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default:
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addr_ptr = LLVMBuildIntToPtr(builder, addr_ptr, LLVMPointerType(LLVMInt32TypeInContext(gallivm->context), 0), "");
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break;
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case 64:
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addr_ptr = LLVMBuildIntToPtr(builder, addr_ptr, LLVMPointerType(LLVMInt64TypeInContext(gallivm->context), 0), "");
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break;
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}
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return addr_ptr;
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}
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static void emit_load_global(struct lp_build_nir_context *bld_base,
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unsigned nc,
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unsigned bit_size,
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unsigned addr_bit_size,
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LLVMValueRef addr,
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LLVMValueRef outval[4])
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{
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struct gallivm_state *gallivm = bld_base->base.gallivm;
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LLVMBuilderRef builder = gallivm->builder;
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struct lp_build_context *uint_bld = &bld_base->uint_bld;
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struct lp_build_context *res_bld;
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res_bld = get_int_bld(bld_base, true, bit_size);
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for (unsigned c = 0; c < nc; c++) {
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LLVMValueRef result = lp_build_alloca(gallivm, res_bld->vec_type, "");
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struct lp_build_loop_state loop_state;
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lp_build_loop_begin(&loop_state, gallivm, lp_build_const_int32(gallivm, 0));
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LLVMValueRef addr_ptr = LLVMBuildExtractElement(gallivm->builder, addr,
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loop_state.counter, "");
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addr_ptr = global_addr_to_ptr(gallivm, addr_ptr, bit_size);
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LLVMValueRef value_ptr = lp_build_pointer_get(builder, addr_ptr, lp_build_const_int32(gallivm, c));
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LLVMValueRef temp_res;
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temp_res = LLVMBuildLoad(builder, result, "");
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temp_res = LLVMBuildInsertElement(builder, temp_res, value_ptr, loop_state.counter, "");
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LLVMBuildStore(builder, temp_res, result);
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lp_build_loop_end_cond(&loop_state, lp_build_const_int32(gallivm, uint_bld->type.length),
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NULL, LLVMIntUGE);
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outval[c] = LLVMBuildLoad(builder, result, "");
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}
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}
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static void emit_store_global(struct lp_build_nir_context *bld_base,
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unsigned writemask,
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unsigned nc, unsigned bit_size,
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unsigned addr_bit_size,
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LLVMValueRef addr,
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LLVMValueRef dst)
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{
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struct gallivm_state *gallivm = bld_base->base.gallivm;
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LLVMBuilderRef builder = gallivm->builder;
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struct lp_build_context *uint_bld = &bld_base->uint_bld;
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for (unsigned c = 0; c < nc; c++) {
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if (!(writemask & (1u << c)))
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continue;
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LLVMValueRef val = (nc == 1) ? dst : LLVMBuildExtractValue(builder, dst, c, "");
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LLVMValueRef exec_mask = mask_vec(bld_base);
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struct lp_build_loop_state loop_state;
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lp_build_loop_begin(&loop_state, gallivm, lp_build_const_int32(gallivm, 0));
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LLVMValueRef value_ptr = LLVMBuildExtractElement(gallivm->builder, val,
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loop_state.counter, "");
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LLVMValueRef addr_ptr = LLVMBuildExtractElement(gallivm->builder, addr,
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loop_state.counter, "");
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addr_ptr = global_addr_to_ptr(gallivm, addr_ptr, bit_size);
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switch (bit_size) {
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case 32:
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value_ptr = LLVMBuildBitCast(builder, value_ptr, LLVMInt32TypeInContext(gallivm->context), "");
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break;
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case 64:
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value_ptr = LLVMBuildBitCast(builder, value_ptr, LLVMInt64TypeInContext(gallivm->context), "");
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break;
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default:
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break;
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}
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struct lp_build_if_state ifthen;
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LLVMValueRef cond = LLVMBuildICmp(gallivm->builder, LLVMIntNE, exec_mask, uint_bld->zero, "");
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cond = LLVMBuildExtractElement(gallivm->builder, cond, loop_state.counter, "");
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lp_build_if(&ifthen, gallivm, cond);
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lp_build_pointer_set(builder, addr_ptr, lp_build_const_int32(gallivm, c), value_ptr);
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lp_build_endif(&ifthen);
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lp_build_loop_end_cond(&loop_state, lp_build_const_int32(gallivm, uint_bld->type.length),
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NULL, LLVMIntUGE);
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}
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}
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static void emit_atomic_global(struct lp_build_nir_context *bld_base,
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nir_intrinsic_op nir_op,
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unsigned addr_bit_size,
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LLVMValueRef addr,
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LLVMValueRef val, LLVMValueRef val2,
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LLVMValueRef *result)
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{
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struct gallivm_state *gallivm = bld_base->base.gallivm;
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LLVMBuilderRef builder = gallivm->builder;
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struct lp_build_context *uint_bld = &bld_base->uint_bld;
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LLVMAtomicRMWBinOp op;
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switch (nir_op) {
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case nir_intrinsic_global_atomic_add:
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op = LLVMAtomicRMWBinOpAdd;
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break;
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case nir_intrinsic_global_atomic_exchange:
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op = LLVMAtomicRMWBinOpXchg;
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break;
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case nir_intrinsic_global_atomic_and:
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op = LLVMAtomicRMWBinOpAnd;
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break;
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case nir_intrinsic_global_atomic_or:
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op = LLVMAtomicRMWBinOpOr;
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break;
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case nir_intrinsic_global_atomic_xor:
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op = LLVMAtomicRMWBinOpXor;
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break;
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case nir_intrinsic_global_atomic_umin:
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op = LLVMAtomicRMWBinOpUMin;
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break;
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case nir_intrinsic_global_atomic_umax:
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op = LLVMAtomicRMWBinOpUMax;
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break;
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case nir_intrinsic_global_atomic_imin:
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op = LLVMAtomicRMWBinOpMin;
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break;
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case nir_intrinsic_global_atomic_imax:
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op = LLVMAtomicRMWBinOpMax;
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break;
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default:
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break;
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}
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LLVMValueRef atom_res = lp_build_alloca(gallivm,
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uint_bld->vec_type, "");
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LLVMValueRef exec_mask = mask_vec(bld_base);
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struct lp_build_loop_state loop_state;
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lp_build_loop_begin(&loop_state, gallivm, lp_build_const_int32(gallivm, 0));
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LLVMValueRef value_ptr = LLVMBuildExtractElement(gallivm->builder, val,
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loop_state.counter, "");
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LLVMValueRef addr_ptr = LLVMBuildExtractElement(gallivm->builder, addr,
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loop_state.counter, "");
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addr_ptr = global_addr_to_ptr(gallivm, addr_ptr, 32);
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struct lp_build_if_state ifthen;
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LLVMValueRef cond, temp_res;
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LLVMValueRef scalar;
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cond = LLVMBuildICmp(gallivm->builder, LLVMIntNE, exec_mask, uint_bld->zero, "");
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cond = LLVMBuildExtractElement(gallivm->builder, cond, loop_state.counter, "");
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lp_build_if(&ifthen, gallivm, cond);
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if (nir_op == nir_intrinsic_global_atomic_comp_swap) {
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LLVMValueRef cas_src_ptr = LLVMBuildExtractElement(gallivm->builder, val2,
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loop_state.counter, "");
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cas_src_ptr = LLVMBuildBitCast(gallivm->builder, cas_src_ptr, uint_bld->elem_type, "");
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scalar = LLVMBuildAtomicCmpXchg(builder, addr_ptr, value_ptr,
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cas_src_ptr,
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LLVMAtomicOrderingSequentiallyConsistent,
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LLVMAtomicOrderingSequentiallyConsistent,
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false);
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scalar = LLVMBuildExtractValue(gallivm->builder, scalar, 0, "");
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} else {
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scalar = LLVMBuildAtomicRMW(builder, op,
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addr_ptr, value_ptr,
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LLVMAtomicOrderingSequentiallyConsistent,
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false);
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}
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temp_res = LLVMBuildLoad(builder, atom_res, "");
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temp_res = LLVMBuildInsertElement(builder, temp_res, scalar, loop_state.counter, "");
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LLVMBuildStore(builder, temp_res, atom_res);
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lp_build_else(&ifthen);
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temp_res = LLVMBuildLoad(builder, atom_res, "");
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temp_res = LLVMBuildInsertElement(builder, temp_res, lp_build_const_int32(gallivm, 0), loop_state.counter, "");
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LLVMBuildStore(builder, temp_res, atom_res);
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lp_build_endif(&ifthen);
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lp_build_loop_end_cond(&loop_state, lp_build_const_int32(gallivm, uint_bld->type.length),
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NULL, LLVMIntUGE);
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*result = LLVMBuildLoad(builder, atom_res, "");
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}
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static void emit_load_ubo(struct lp_build_nir_context *bld_base,
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static void emit_load_ubo(struct lp_build_nir_context *bld_base,
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unsigned nc,
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unsigned nc,
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unsigned bit_size,
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unsigned bit_size,
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@ -1276,6 +1471,9 @@ void lp_build_nir_soa(struct gallivm_state *gallivm,
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bld.bld_base.emit_var_decl = emit_var_decl;
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bld.bld_base.emit_var_decl = emit_var_decl;
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bld.bld_base.load_ubo = emit_load_ubo;
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bld.bld_base.load_ubo = emit_load_ubo;
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bld.bld_base.load_kernel_arg = emit_load_kernel_arg;
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bld.bld_base.load_kernel_arg = emit_load_kernel_arg;
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bld.bld_base.load_global = emit_load_global;
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bld.bld_base.store_global = emit_store_global;
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bld.bld_base.atomic_global = emit_atomic_global;
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bld.bld_base.tex = emit_tex;
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bld.bld_base.tex = emit_tex;
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bld.bld_base.tex_size = emit_tex_size;
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bld.bld_base.tex_size = emit_tex_size;
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bld.bld_base.bgnloop = bgnloop;
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bld.bld_base.bgnloop = bgnloop;
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||||||
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|
|
||||||
|
|
@ -169,6 +169,10 @@ struct llvmpipe_context {
|
||||||
|
|
||||||
/** The LLVMContext to use for LLVM related work */
|
/** The LLVMContext to use for LLVM related work */
|
||||||
LLVMContextRef context;
|
LLVMContextRef context;
|
||||||
|
|
||||||
|
int max_global_buffers;
|
||||||
|
struct pipe_resource **global_buffers;
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -499,6 +499,12 @@ llvmpipe_delete_compute_state(struct pipe_context *pipe,
|
||||||
struct lp_compute_shader *shader = cs;
|
struct lp_compute_shader *shader = cs;
|
||||||
struct lp_cs_variant_list_item *li;
|
struct lp_cs_variant_list_item *li;
|
||||||
|
|
||||||
|
if (llvmpipe->cs == cs)
|
||||||
|
llvmpipe->cs = NULL;
|
||||||
|
for (unsigned i = 0; i < shader->max_global_buffers; i++)
|
||||||
|
pipe_resource_reference(&shader->global_buffers[i], NULL);
|
||||||
|
FREE(shader->global_buffers);
|
||||||
|
|
||||||
/* Delete all the variants */
|
/* Delete all the variants */
|
||||||
li = first_elem(&shader->variants);
|
li = first_elem(&shader->variants);
|
||||||
while(!at_end(&shader->variants, li)) {
|
while(!at_end(&shader->variants, li)) {
|
||||||
|
|
@ -1249,12 +1255,62 @@ static void llvmpipe_launch_grid(struct pipe_context *pipe,
|
||||||
llvmpipe->pipeline_statistics.cs_invocations += num_tasks * info->block[0] * info->block[1] * info->block[2];
|
llvmpipe->pipeline_statistics.cs_invocations += num_tasks * info->block[0] * info->block[1] * info->block[2];
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
llvmpipe_set_compute_resources(struct pipe_context *pipe,
|
||||||
|
unsigned start, unsigned count,
|
||||||
|
struct pipe_surface **resources)
|
||||||
|
{
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
llvmpipe_set_global_binding(struct pipe_context *pipe,
|
||||||
|
unsigned first, unsigned count,
|
||||||
|
struct pipe_resource **resources,
|
||||||
|
uint32_t **handles)
|
||||||
|
{
|
||||||
|
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
|
||||||
|
struct lp_compute_shader *cs = llvmpipe->cs;
|
||||||
|
unsigned i;
|
||||||
|
|
||||||
|
if (first + count > cs->max_global_buffers) {
|
||||||
|
unsigned old_max = cs->max_global_buffers;
|
||||||
|
cs->max_global_buffers = first + count;
|
||||||
|
cs->global_buffers = realloc(cs->global_buffers,
|
||||||
|
cs->max_global_buffers * sizeof(cs->global_buffers[0]));
|
||||||
|
if (!cs->global_buffers) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
memset(&cs->global_buffers[old_max], 0, (cs->max_global_buffers - old_max) * sizeof(cs->global_buffers[0]));
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!resources) {
|
||||||
|
for (i = 0; i < count; i++)
|
||||||
|
pipe_resource_reference(&cs->global_buffers[first + i], NULL);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < count; i++) {
|
||||||
|
uint64_t va;
|
||||||
|
uint32_t offset;
|
||||||
|
pipe_resource_reference(&cs->global_buffers[first + i], resources[i]);
|
||||||
|
struct llvmpipe_resource *lp_res = llvmpipe_resource(resources[i]);
|
||||||
|
offset = *handles[i];
|
||||||
|
va = (uint64_t)((char *)lp_res->data + offset);
|
||||||
|
memcpy(handles[i], &va, sizeof(va));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
void
|
void
|
||||||
llvmpipe_init_compute_funcs(struct llvmpipe_context *llvmpipe)
|
llvmpipe_init_compute_funcs(struct llvmpipe_context *llvmpipe)
|
||||||
{
|
{
|
||||||
llvmpipe->pipe.create_compute_state = llvmpipe_create_compute_state;
|
llvmpipe->pipe.create_compute_state = llvmpipe_create_compute_state;
|
||||||
llvmpipe->pipe.bind_compute_state = llvmpipe_bind_compute_state;
|
llvmpipe->pipe.bind_compute_state = llvmpipe_bind_compute_state;
|
||||||
llvmpipe->pipe.delete_compute_state = llvmpipe_delete_compute_state;
|
llvmpipe->pipe.delete_compute_state = llvmpipe_delete_compute_state;
|
||||||
|
llvmpipe->pipe.set_compute_resources = llvmpipe_set_compute_resources;
|
||||||
|
llvmpipe->pipe.set_global_binding = llvmpipe_set_global_binding;
|
||||||
llvmpipe->pipe.launch_grid = llvmpipe_launch_grid;
|
llvmpipe->pipe.launch_grid = llvmpipe_launch_grid;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -89,6 +89,9 @@ struct lp_compute_shader {
|
||||||
unsigned no;
|
unsigned no;
|
||||||
unsigned variants_created;
|
unsigned variants_created;
|
||||||
unsigned variants_cached;
|
unsigned variants_cached;
|
||||||
|
|
||||||
|
int max_global_buffers;
|
||||||
|
struct pipe_resource **global_buffers;
|
||||||
};
|
};
|
||||||
|
|
||||||
struct lp_cs_exec {
|
struct lp_cs_exec {
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue