diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 370 |
1 files changed, 97 insertions, 273 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 996e295e4b5..24f98588efd 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -86,10 +86,8 @@ draw_llvm_garbage_collect_callback(void *cb_data) static void -draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var); - -static void -draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *var); +draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var, + boolean elts); /** @@ -445,8 +443,8 @@ draw_llvm_create_variant(struct draw_llvm *llvm, llvm->vertex_header_ptr_type = LLVMPointerType(vertex_header, 0); - draw_llvm_generate(llvm, variant); - draw_llvm_generate_elts(llvm, variant); + draw_llvm_generate(llvm, variant, FALSE); /* linear */ + draw_llvm_generate(llvm, variant, TRUE); /* elts */ variant->shader = shader; variant->list_item_global.base = variant; @@ -1164,7 +1162,8 @@ clipmask_bool(struct gallivm_state *gallivm, static void -draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) +draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant, + boolean elts) { struct gallivm_state *gallivm = llvm->gallivm; LLVMContextRef context = gallivm->context; @@ -1174,10 +1173,14 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) LLVMValueRef context_ptr; LLVMBasicBlockRef block; LLVMBuilderRef builder; - LLVMValueRef start, end, count, stride, step, io_itr; + LLVMValueRef end, start; + LLVMValueRef count, fetch_elts, fetch_count; + LLVMValueRef stride, step, io_itr; LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr; LLVMValueRef instance_id; LLVMValueRef system_values_array; + LLVMValueRef zero = lp_build_const_int32(gallivm, 0); + LLVMValueRef one = lp_build_const_int32(gallivm, 1); struct draw_context *draw = llvm->draw; const struct tgsi_shader_info *vs_info = &draw->vs.vertex_shader->info; unsigned i, j; @@ -1189,267 +1192,73 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) void *code; struct lp_build_sampler_soa *sampler = 0; LLVMValueRef ret, ret_ptr; - boolean bypass_viewport = variant->key.bypass_viewport; - boolean enable_cliptest = variant->key.clip_xy || - variant->key.clip_z || - variant->key.clip_user; - + const boolean bypass_viewport = variant->key.bypass_viewport; + const boolean enable_cliptest = variant->key.clip_xy || + variant->key.clip_z || + variant->key.clip_user; + LLVMValueRef variant_func; + arg_types[0] = get_context_ptr_type(llvm); /* context */ arg_types[1] = get_vertex_header_ptr_type(llvm); /* vertex_header */ arg_types[2] = get_buffer_ptr_type(llvm); /* vbuffers */ - arg_types[3] = int32_type; /* start */ - arg_types[4] = int32_type; /* count */ + if (elts) + arg_types[3] = LLVMPointerType(int32_type, 0);/* fetch_elts * */ + else + arg_types[3] = int32_type; /* start */ + arg_types[4] = int32_type; /* fetch_count / count */ arg_types[5] = int32_type; /* stride */ arg_types[6] = get_vb_ptr_type(llvm); /* pipe_vertex_buffer's */ arg_types[7] = int32_type; /* instance_id */ func_type = LLVMFunctionType(int32_type, arg_types, Elements(arg_types), 0); - variant->function = LLVMAddFunction(gallivm->module, "draw_llvm_shader", - func_type); - LLVMSetFunctionCallConv(variant->function, LLVMCCallConv); - for (i = 0; i < Elements(arg_types); ++i) - if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) - LLVMAddAttribute(LLVMGetParam(variant->function, i), LLVMNoAliasAttribute); - - context_ptr = LLVMGetParam(variant->function, 0); - io_ptr = LLVMGetParam(variant->function, 1); - vbuffers_ptr = LLVMGetParam(variant->function, 2); - start = LLVMGetParam(variant->function, 3); - count = LLVMGetParam(variant->function, 4); - stride = LLVMGetParam(variant->function, 5); - vb_ptr = LLVMGetParam(variant->function, 6); - instance_id = LLVMGetParam(variant->function, 7); - - lp_build_name(context_ptr, "context"); - lp_build_name(io_ptr, "io"); - lp_build_name(vbuffers_ptr, "vbuffers"); - lp_build_name(start, "start"); - lp_build_name(count, "count"); - lp_build_name(stride, "stride"); - lp_build_name(vb_ptr, "vb"); - lp_build_name(instance_id, "instance_id"); - - /* - * Function body - */ - - block = LLVMAppendBasicBlockInContext(gallivm->context, variant->function, "entry"); - builder = gallivm->builder; - assert(builder); - LLVMPositionBuilderAtEnd(builder, block); - - lp_build_context_init(&bld, llvm->gallivm, lp_type_int(32)); - - system_values_array = lp_build_system_values_array(gallivm, vs_info, - instance_id, NULL); - - end = lp_build_add(&bld, start, count); - - step = lp_build_const_int32(gallivm, max_vertices); - - /* function will return non-zero i32 value if any clipped vertices */ - ret_ptr = lp_build_alloca(gallivm, int32_type, ""); - LLVMBuildStore(builder, lp_build_const_int32(gallivm, 0), ret_ptr); - - /* code generated texture sampling */ - sampler = draw_llvm_sampler_soa_create( - draw_llvm_variant_key_samplers(&variant->key), - context_ptr); - - /* fetch_max = start + count - 1 */ - fetch_max = LLVMBuildSub(builder, end, - lp_build_const_int32(gallivm, 1), - "fetch_max"); - -#if DEBUG_STORE - lp_build_printf(builder, "start = %d, end = %d, step = %d\n", - start, end, step); -#endif - lp_build_loop_begin(&lp_loop, llvm->gallivm, start); - { - LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS]; - LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS] = { { 0 } }; - LLVMValueRef io; - LLVMValueRef clipmask; /* holds the clipmask value */ - const LLVMValueRef (*ptr_aos)[NUM_CHANNELS]; - - io_itr = LLVMBuildSub(builder, lp_loop.counter, start, ""); - io = LLVMBuildGEP(builder, io_ptr, &io_itr, 1, ""); -#if DEBUG_STORE - lp_build_printf(builder, " --- io %d = %p, loop counter %d\n", - io_itr, io, lp_loop.counter); -#endif - for (i = 0; i < NUM_CHANNELS; ++i) { - LLVMValueRef true_index = LLVMBuildAdd( - builder, - lp_loop.counter, - lp_build_const_int32(gallivm, i), ""); - - /* make sure we're not out of bounds which can happen - * if fetch_count % 4 != 0, because on the last iteration - * a few of the 4 vertex fetches will be out of bounds */ - true_index = lp_build_min(&bld, true_index, fetch_max); + variant_func = LLVMAddFunction(gallivm->module, + elts ? "draw_llvm_shader_elts" : "draw_llvm_shader", + func_type); - for (j = 0; j < draw->pt.nr_vertex_elements; ++j) { - struct pipe_vertex_element *velem = &draw->pt.vertex_element[j]; - LLVMValueRef vb_index = lp_build_const_int32(gallivm, velem->vertex_buffer_index); - LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, - &vb_index, 1, ""); - generate_fetch(llvm->gallivm, vbuffers_ptr, - &aos_attribs[j][i], velem, vb, true_index, - instance_id); - } - } - convert_to_soa(gallivm, aos_attribs, inputs, - draw->pt.nr_vertex_elements); + if (elts) + variant->function_elts = variant_func; + else + variant->function = variant_func; - ptr_aos = (const LLVMValueRef (*)[NUM_CHANNELS]) inputs; - generate_vs(llvm, - builder, - outputs, - ptr_aos, - system_values_array, - context_ptr, - sampler, - variant->key.clamp_vertex_color); - - /* store original positions in clip before further manipulation */ - store_clip(gallivm, io, outputs); - - /* do cliptest */ - if (enable_cliptest) { - /* allocate clipmask, assign it integer type */ - clipmask = generate_clipmask(gallivm, outputs, - variant->key.clip_xy, - variant->key.clip_z, - variant->key.clip_user, - variant->key.clip_halfz, - variant->key.nr_planes, - context_ptr); - /* return clipping boolean value for function */ - clipmask_bool(gallivm, clipmask, ret_ptr); - } - else { - clipmask = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 0); - } - - /* do viewport mapping */ - if (!bypass_viewport) { - generate_viewport(llvm, builder, outputs, context_ptr); - } - - /* store clipmask in vertex header and positions in data */ - convert_to_aos(gallivm, io, outputs, clipmask, - vs_info->num_outputs, max_vertices); - } - - lp_build_loop_end_cond(&lp_loop, end, step, LLVMIntUGE); - - sampler->destroy(sampler); - - ret = LLVMBuildLoad(builder, ret_ptr,""); - LLVMBuildRet(builder, ret); - - /* - * Translate the LLVM IR into machine code. - */ -#ifdef DEBUG - if (LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) { - lp_debug_dump_value(variant->function); - assert(0); - } -#endif - - LLVMRunFunctionPassManager(gallivm->passmgr, variant->function); - - if (gallivm_debug & GALLIVM_DEBUG_IR) { - lp_debug_dump_value(variant->function); - debug_printf("\n"); - } - - code = LLVMGetPointerToGlobal(gallivm->engine, variant->function); - variant->jit_func = (draw_jit_vert_func)pointer_to_func(code); - - if (gallivm_debug & GALLIVM_DEBUG_ASM) { - lp_disassemble(code); - } - lp_func_delete_body(variant->function); -} - - -static void -draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *variant) -{ - struct gallivm_state *gallivm = llvm->gallivm; - LLVMContextRef context = gallivm->context; - LLVMTypeRef int32_type = LLVMInt32TypeInContext(context); - LLVMTypeRef arg_types[8]; - LLVMTypeRef func_type; - LLVMValueRef context_ptr; - LLVMBasicBlockRef block; - LLVMBuilderRef builder; - LLVMValueRef fetch_elts, fetch_count, stride, step, io_itr; - LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr; - LLVMValueRef instance_id; - LLVMValueRef system_values_array; - struct draw_context *draw = llvm->draw; - const struct tgsi_shader_info *vs_info = &draw->vs.vertex_shader->info; - unsigned i, j; - struct lp_build_context bld; - struct lp_build_loop_state lp_loop; - const int max_vertices = 4; - LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; - LLVMValueRef fetch_max; - void *code; - struct lp_build_sampler_soa *sampler = 0; - LLVMValueRef ret, ret_ptr; - boolean bypass_viewport = variant->key.bypass_viewport; - boolean enable_cliptest = variant->key.clip_xy || - variant->key.clip_z || - variant->key.clip_user; - - arg_types[0] = get_context_ptr_type(llvm); /* context */ - arg_types[1] = get_vertex_header_ptr_type(llvm); /* vertex_header */ - arg_types[2] = get_buffer_ptr_type(llvm); /* vbuffers */ - arg_types[3] = LLVMPointerType(int32_type, 0); /* fetch_elts * */ - arg_types[4] = int32_type; /* fetch_count */ - arg_types[5] = int32_type; /* stride */ - arg_types[6] = get_vb_ptr_type(llvm); /* pipe_vertex_buffer's */ - arg_types[7] = int32_type; /* instance_id */ - - func_type = LLVMFunctionType(int32_type, arg_types, Elements(arg_types), 0); - - variant->function_elts = LLVMAddFunction(gallivm->module, "draw_llvm_shader_elts", func_type); - LLVMSetFunctionCallConv(variant->function_elts, LLVMCCallConv); + LLVMSetFunctionCallConv(variant_func, LLVMCCallConv); for (i = 0; i < Elements(arg_types); ++i) if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) - LLVMAddAttribute(LLVMGetParam(variant->function_elts, i), + LLVMAddAttribute(LLVMGetParam(variant_func, i), LLVMNoAliasAttribute); - context_ptr = LLVMGetParam(variant->function_elts, 0); - io_ptr = LLVMGetParam(variant->function_elts, 1); - vbuffers_ptr = LLVMGetParam(variant->function_elts, 2); - fetch_elts = LLVMGetParam(variant->function_elts, 3); - fetch_count = LLVMGetParam(variant->function_elts, 4); - stride = LLVMGetParam(variant->function_elts, 5); - vb_ptr = LLVMGetParam(variant->function_elts, 6); - instance_id = LLVMGetParam(variant->function_elts, 7); + context_ptr = LLVMGetParam(variant_func, 0); + io_ptr = LLVMGetParam(variant_func, 1); + vbuffers_ptr = LLVMGetParam(variant_func, 2); + stride = LLVMGetParam(variant_func, 5); + vb_ptr = LLVMGetParam(variant_func, 6); + instance_id = LLVMGetParam(variant_func, 7); lp_build_name(context_ptr, "context"); lp_build_name(io_ptr, "io"); lp_build_name(vbuffers_ptr, "vbuffers"); - lp_build_name(fetch_elts, "fetch_elts"); - lp_build_name(fetch_count, "fetch_count"); lp_build_name(stride, "stride"); lp_build_name(vb_ptr, "vb"); lp_build_name(instance_id, "instance_id"); + if (elts) { + fetch_elts = LLVMGetParam(variant_func, 3); + fetch_count = LLVMGetParam(variant_func, 4); + lp_build_name(fetch_elts, "fetch_elts"); + lp_build_name(fetch_count, "fetch_count"); + } + else { + start = LLVMGetParam(variant_func, 3); + count = LLVMGetParam(variant_func, 4); + lp_build_name(start, "start"); + lp_build_name(count, "count"); + } + /* * Function body */ - block = LLVMAppendBasicBlockInContext(gallivm->context, variant->function_elts, "entry"); + block = LLVMAppendBasicBlockInContext(gallivm->context, variant_func, "entry"); builder = gallivm->builder; LLVMPositionBuilderAtEnd(builder, block); @@ -1458,23 +1267,28 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian system_values_array = lp_build_system_values_array(gallivm, vs_info, instance_id, NULL); - - step = lp_build_const_int32(gallivm, max_vertices); + /* function will return non-zero i32 value if any clipped vertices */ + ret_ptr = lp_build_alloca(gallivm, int32_type, ""); + LLVMBuildStore(builder, zero, ret_ptr); /* code generated texture sampling */ sampler = draw_llvm_sampler_soa_create( draw_llvm_variant_key_samplers(&variant->key), context_ptr); - fetch_max = LLVMBuildSub(builder, fetch_count, - lp_build_const_int32(gallivm, 1), - "fetch_max"); + if (elts) { + start = zero; + end = fetch_count; + } + else { + end = lp_build_add(&bld, start, count); + } - /* function returns non-zero i32 value if any clipped vertices */ - ret_ptr = lp_build_alloca(gallivm, int32_type, ""); - LLVMBuildStore(builder, lp_build_const_int32(gallivm, 0), ret_ptr); + step = lp_build_const_int32(gallivm, max_vertices); - lp_build_loop_begin(&lp_loop, gallivm, lp_build_const_int32(gallivm, 0)); + fetch_max = LLVMBuildSub(builder, end, one, "fetch_max"); + + lp_build_loop_begin(&lp_loop, gallivm, start); { LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS]; LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS] = { { 0 } }; @@ -1482,32 +1296,39 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian LLVMValueRef clipmask; /* holds the clipmask value */ const LLVMValueRef (*ptr_aos)[NUM_CHANNELS]; - io_itr = lp_loop.counter; + if (elts) + io_itr = lp_loop.counter; + else + io_itr = LLVMBuildSub(builder, lp_loop.counter, start, ""); + io = LLVMBuildGEP(builder, io_ptr, &io_itr, 1, ""); #if DEBUG_STORE lp_build_printf(builder, " --- io %d = %p, loop counter %d\n", io_itr, io, lp_loop.counter); #endif for (i = 0; i < NUM_CHANNELS; ++i) { - LLVMValueRef true_index = LLVMBuildAdd( - builder, - lp_loop.counter, - lp_build_const_int32(gallivm, i), ""); - LLVMValueRef fetch_ptr; + LLVMValueRef true_index = + LLVMBuildAdd(builder, + lp_loop.counter, + lp_build_const_int32(gallivm, i), ""); /* make sure we're not out of bounds which can happen * if fetch_count % 4 != 0, because on the last iteration * a few of the 4 vertex fetches will be out of bounds */ true_index = lp_build_min(&bld, true_index, fetch_max); - fetch_ptr = LLVMBuildGEP(builder, fetch_elts, - &true_index, 1, ""); - true_index = LLVMBuildLoad(builder, fetch_ptr, "fetch_elt"); + if (elts) { + LLVMValueRef fetch_ptr; + fetch_ptr = LLVMBuildGEP(builder, fetch_elts, + &true_index, 1, ""); + true_index = LLVMBuildLoad(builder, fetch_ptr, "fetch_elt"); + } + for (j = 0; j < draw->pt.nr_vertex_elements; ++j) { struct pipe_vertex_element *velem = &draw->pt.vertex_element[j]; - LLVMValueRef vb_index = lp_build_const_int32(gallivm, velem->vertex_buffer_index); - LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, - &vb_index, 1, ""); + LLVMValueRef vb_index = + lp_build_const_int32(gallivm, velem->vertex_buffer_index); + LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, &vb_index, 1, ""); generate_fetch(gallivm, vbuffers_ptr, &aos_attribs[j][i], velem, vb, true_index, instance_id); @@ -1559,37 +1380,40 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian vs_info->num_outputs, max_vertices); } - lp_build_loop_end_cond(&lp_loop, fetch_count, step, LLVMIntUGE); + lp_build_loop_end_cond(&lp_loop, end, step, LLVMIntUGE); sampler->destroy(sampler); - ret = LLVMBuildLoad(builder, ret_ptr,""); + ret = LLVMBuildLoad(builder, ret_ptr, ""); LLVMBuildRet(builder, ret); - + /* * Translate the LLVM IR into machine code. */ #ifdef DEBUG - if (LLVMVerifyFunction(variant->function_elts, LLVMPrintMessageAction)) { - lp_debug_dump_value(variant->function_elts); + if (LLVMVerifyFunction(variant_func, LLVMPrintMessageAction)) { + lp_debug_dump_value(variant_func); assert(0); } #endif - LLVMRunFunctionPassManager(gallivm->passmgr, variant->function_elts); + LLVMRunFunctionPassManager(gallivm->passmgr, variant_func); if (gallivm_debug & GALLIVM_DEBUG_IR) { - lp_debug_dump_value(variant->function_elts); + lp_debug_dump_value(variant_func); debug_printf("\n"); } - code = LLVMGetPointerToGlobal(gallivm->engine, variant->function_elts); - variant->jit_func_elts = (draw_jit_vert_func_elts)pointer_to_func(code); + code = LLVMGetPointerToGlobal(gallivm->engine, variant_func); + if (elts) + variant->jit_func_elts = (draw_jit_vert_func_elts) pointer_to_func(code); + else + variant->jit_func = (draw_jit_vert_func) pointer_to_func(code); if (gallivm_debug & GALLIVM_DEBUG_ASM) { lp_disassemble(code); } - lp_func_delete_body(variant->function_elts); + lp_func_delete_body(variant_func); } |