/************************************************************************** * * Copyright 2010 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #include "draw_llvm.h" #include "draw_context.h" #include "draw_vs.h" #include "draw_gs.h" #include "gallivm/lp_bld_arit.h" #include "gallivm/lp_bld_arit_overflow.h" #include "gallivm/lp_bld_logic.h" #include "gallivm/lp_bld_const.h" #include "gallivm/lp_bld_swizzle.h" #include "gallivm/lp_bld_struct.h" #include "gallivm/lp_bld_type.h" #include "gallivm/lp_bld_flow.h" #include "gallivm/lp_bld_debug.h" #include "gallivm/lp_bld_tgsi.h" #include "gallivm/lp_bld_printf.h" #include "gallivm/lp_bld_intr.h" #include "gallivm/lp_bld_init.h" #include "gallivm/lp_bld_type.h" #include "gallivm/lp_bld_pack.h" #include "gallivm/lp_bld_format.h" #include "tgsi/tgsi_exec.h" #include "tgsi/tgsi_dump.h" #include "util/u_math.h" #include "util/u_pointer.h" #include "util/u_string.h" #include "util/u_simple_list.h" #define DEBUG_STORE 0 static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var, boolean elts); struct draw_gs_llvm_iface { struct lp_build_tgsi_gs_iface base; struct draw_gs_llvm_variant *variant; LLVMValueRef input; }; static INLINE const struct draw_gs_llvm_iface * draw_gs_llvm_iface(const struct lp_build_tgsi_gs_iface *iface) { return (const struct draw_gs_llvm_iface *)iface; } /** * Create LLVM type for draw_vertex_buffer. */ static LLVMTypeRef create_jit_dvbuffer_type(struct gallivm_state *gallivm, const char *struct_name) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef dvbuffer_type; LLVMTypeRef elem_types[DRAW_JIT_DVBUFFER_NUM_FIELDS]; LLVMTypeRef int32_type = LLVMInt32TypeInContext(gallivm->context); elem_types[DRAW_JIT_DVBUFFER_MAP] = LLVMPointerType(LLVMIntTypeInContext(gallivm->context, 8), 0); elem_types[DRAW_JIT_DVBUFFER_SIZE] = int32_type; dvbuffer_type = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer, map, target, dvbuffer_type, DRAW_JIT_DVBUFFER_MAP); LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer, size, target, dvbuffer_type, DRAW_JIT_DVBUFFER_SIZE); return dvbuffer_type; } /** * Create LLVM type for struct draw_jit_texture */ static LLVMTypeRef create_jit_texture_type(struct gallivm_state *gallivm, const char *struct_name) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef texture_type; LLVMTypeRef elem_types[DRAW_JIT_TEXTURE_NUM_FIELDS]; LLVMTypeRef int32_type = LLVMInt32TypeInContext(gallivm->context); elem_types[DRAW_JIT_TEXTURE_WIDTH] = elem_types[DRAW_JIT_TEXTURE_HEIGHT] = elem_types[DRAW_JIT_TEXTURE_DEPTH] = elem_types[DRAW_JIT_TEXTURE_FIRST_LEVEL] = elem_types[DRAW_JIT_TEXTURE_LAST_LEVEL] = int32_type; elem_types[DRAW_JIT_TEXTURE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0); elem_types[DRAW_JIT_TEXTURE_ROW_STRIDE] = elem_types[DRAW_JIT_TEXTURE_IMG_STRIDE] = elem_types[DRAW_JIT_TEXTURE_MIP_OFFSETS] = LLVMArrayType(int32_type, PIPE_MAX_TEXTURE_LEVELS); texture_type = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, width, target, texture_type, DRAW_JIT_TEXTURE_WIDTH); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, height, target, texture_type, DRAW_JIT_TEXTURE_HEIGHT); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, depth, target, texture_type, DRAW_JIT_TEXTURE_DEPTH); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, first_level, target, texture_type, DRAW_JIT_TEXTURE_FIRST_LEVEL); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, last_level, target, texture_type, DRAW_JIT_TEXTURE_LAST_LEVEL); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, base, target, texture_type, DRAW_JIT_TEXTURE_BASE); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, row_stride, target, texture_type, DRAW_JIT_TEXTURE_ROW_STRIDE); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, img_stride, target, texture_type, DRAW_JIT_TEXTURE_IMG_STRIDE); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, mip_offsets, target, texture_type, DRAW_JIT_TEXTURE_MIP_OFFSETS); LP_CHECK_STRUCT_SIZE(struct draw_jit_texture, target, texture_type); return texture_type; } /** * Create LLVM type for struct draw_jit_sampler */ static LLVMTypeRef create_jit_sampler_type(struct gallivm_state *gallivm, const char *struct_name) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef sampler_type; LLVMTypeRef elem_types[DRAW_JIT_SAMPLER_NUM_FIELDS]; elem_types[DRAW_JIT_SAMPLER_MIN_LOD] = elem_types[DRAW_JIT_SAMPLER_MAX_LOD] = elem_types[DRAW_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(gallivm->context); elem_types[DRAW_JIT_SAMPLER_BORDER_COLOR] = LLVMArrayType(LLVMFloatTypeInContext(gallivm->context), 4); sampler_type = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler, min_lod, target, sampler_type, DRAW_JIT_SAMPLER_MIN_LOD); LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler, max_lod, target, sampler_type, DRAW_JIT_SAMPLER_MAX_LOD); LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler, lod_bias, target, sampler_type, DRAW_JIT_SAMPLER_LOD_BIAS); LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler, border_color, target, sampler_type, DRAW_JIT_SAMPLER_BORDER_COLOR); LP_CHECK_STRUCT_SIZE(struct draw_jit_sampler, target, sampler_type); return sampler_type; } /** * Create LLVM type for struct draw_jit_context */ static LLVMTypeRef create_jit_context_type(struct gallivm_state *gallivm, LLVMTypeRef texture_type, LLVMTypeRef sampler_type, const char *struct_name) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef float_type = LLVMFloatTypeInContext(gallivm->context); LLVMTypeRef int_type = LLVMInt32TypeInContext(gallivm->context); LLVMTypeRef elem_types[DRAW_JIT_CTX_NUM_FIELDS]; LLVMTypeRef context_type; elem_types[0] = LLVMArrayType(LLVMPointerType(float_type, 0), /* vs_constants */ LP_MAX_TGSI_CONST_BUFFERS); elem_types[1] = LLVMArrayType(int_type, /* num_vs_constants */ LP_MAX_TGSI_CONST_BUFFERS); elem_types[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type, 4), DRAW_TOTAL_CLIP_PLANES), 0); elem_types[3] = LLVMPointerType(float_type, 0); /* viewport */ elem_types[4] = LLVMArrayType(texture_type, PIPE_MAX_SHADER_SAMPLER_VIEWS); /* textures */ elem_types[5] = LLVMArrayType(sampler_type, PIPE_MAX_SAMPLERS); /* samplers */ context_type = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, vs_constants, target, context_type, DRAW_JIT_CTX_CONSTANTS); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, num_vs_constants, target, context_type, DRAW_JIT_CTX_NUM_CONSTANTS); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, planes, target, context_type, DRAW_JIT_CTX_PLANES); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, viewport, target, context_type, DRAW_JIT_CTX_VIEWPORT); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures, target, context_type, DRAW_JIT_CTX_TEXTURES); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, samplers, target, context_type, DRAW_JIT_CTX_SAMPLERS); LP_CHECK_STRUCT_SIZE(struct draw_jit_context, target, context_type); return context_type; } /** * Create LLVM type for struct draw_gs_jit_context */ static LLVMTypeRef create_gs_jit_context_type(struct gallivm_state *gallivm, unsigned vector_length, LLVMTypeRef texture_type, LLVMTypeRef sampler_type, const char *struct_name) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef float_type = LLVMFloatTypeInContext(gallivm->context); LLVMTypeRef int_type = LLVMInt32TypeInContext(gallivm->context); LLVMTypeRef elem_types[DRAW_GS_JIT_CTX_NUM_FIELDS]; LLVMTypeRef context_type; elem_types[0] = LLVMArrayType(LLVMPointerType(float_type, 0), /* constants */ LP_MAX_TGSI_CONST_BUFFERS); elem_types[1] = LLVMArrayType(int_type, /* num_constants */ LP_MAX_TGSI_CONST_BUFFERS); elem_types[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type, 4), DRAW_TOTAL_CLIP_PLANES), 0); elem_types[3] = LLVMPointerType(float_type, 0); /* viewport */ elem_types[4] = LLVMArrayType(texture_type, PIPE_MAX_SHADER_SAMPLER_VIEWS); /* textures */ elem_types[5] = LLVMArrayType(sampler_type, PIPE_MAX_SAMPLERS); /* samplers */ elem_types[6] = LLVMPointerType(LLVMPointerType(int_type, 0), 0); elem_types[7] = LLVMPointerType(LLVMVectorType(int_type, vector_length), 0); elem_types[8] = LLVMPointerType(LLVMVectorType(int_type, vector_length), 0); context_type = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, constants, target, context_type, DRAW_GS_JIT_CTX_CONSTANTS); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, num_constants, target, context_type, DRAW_GS_JIT_CTX_NUM_CONSTANTS); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, planes, target, context_type, DRAW_GS_JIT_CTX_PLANES); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, viewport, target, context_type, DRAW_GS_JIT_CTX_VIEWPORT); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, textures, target, context_type, DRAW_GS_JIT_CTX_TEXTURES); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, samplers, target, context_type, DRAW_GS_JIT_CTX_SAMPLERS); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, prim_lengths, target, context_type, DRAW_GS_JIT_CTX_PRIM_LENGTHS); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, emitted_vertices, target, context_type, DRAW_GS_JIT_CTX_EMITTED_VERTICES); LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context, emitted_prims, target, context_type, DRAW_GS_JIT_CTX_EMITTED_PRIMS); LP_CHECK_STRUCT_SIZE(struct draw_gs_jit_context, target, context_type); return context_type; } static LLVMTypeRef create_gs_jit_input_type(struct gallivm_state *gallivm) { LLVMTypeRef float_type = LLVMFloatTypeInContext(gallivm->context); LLVMTypeRef input_array; input_array = LLVMVectorType(float_type, TGSI_NUM_CHANNELS); /* num primitives */ input_array = LLVMArrayType(input_array, TGSI_NUM_CHANNELS); /* num channels */ input_array = LLVMArrayType(input_array, PIPE_MAX_SHADER_INPUTS); /* num attrs per vertex */ input_array = LLVMPointerType(input_array, 0); /* num vertices per prim */ return input_array; } /** * Create LLVM type for struct pipe_vertex_buffer */ static LLVMTypeRef create_jit_vertex_buffer_type(struct gallivm_state *gallivm, const char *struct_name) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef elem_types[4]; LLVMTypeRef vb_type; elem_types[0] = elem_types[1] = LLVMInt32TypeInContext(gallivm->context); elem_types[2] = elem_types[3] = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0); vb_type = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, stride, target, vb_type, 0); LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, buffer_offset, target, vb_type, 1); LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer, target, vb_type); return vb_type; } /** * Create LLVM type for struct vertex_header; */ static LLVMTypeRef create_jit_vertex_header(struct gallivm_state *gallivm, int data_elems) { LLVMTargetDataRef target = gallivm->target; LLVMTypeRef elem_types[4]; LLVMTypeRef vertex_header; char struct_name[24]; util_snprintf(struct_name, 23, "vertex_header%d", data_elems); elem_types[DRAW_JIT_VERTEX_VERTEX_ID] = LLVMIntTypeInContext(gallivm->context, 32); elem_types[DRAW_JIT_VERTEX_CLIP] = LLVMArrayType(LLVMFloatTypeInContext(gallivm->context), 4); elem_types[DRAW_JIT_VERTEX_PRE_CLIP_POS] = LLVMArrayType(LLVMFloatTypeInContext(gallivm->context), 4); elem_types[DRAW_JIT_VERTEX_DATA] = LLVMArrayType(elem_types[1], data_elems); vertex_header = LLVMStructTypeInContext(gallivm->context, elem_types, Elements(elem_types), 0); /* these are bit-fields and we can't take address of them LP_CHECK_MEMBER_OFFSET(struct vertex_header, clipmask, target, vertex_header, DRAW_JIT_VERTEX_CLIPMASK); LP_CHECK_MEMBER_OFFSET(struct vertex_header, edgeflag, target, vertex_header, DRAW_JIT_VERTEX_EDGEFLAG); LP_CHECK_MEMBER_OFFSET(struct vertex_header, pad, target, vertex_header, DRAW_JIT_VERTEX_PAD); LP_CHECK_MEMBER_OFFSET(struct vertex_header, vertex_id, target, vertex_header, DRAW_JIT_VERTEX_VERTEX_ID); */ LP_CHECK_MEMBER_OFFSET(struct vertex_header, clip, target, vertex_header, DRAW_JIT_VERTEX_CLIP); LP_CHECK_MEMBER_OFFSET(struct vertex_header, pre_clip_pos, target, vertex_header, DRAW_JIT_VERTEX_PRE_CLIP_POS); LP_CHECK_MEMBER_OFFSET(struct vertex_header, data, target, vertex_header, DRAW_JIT_VERTEX_DATA); assert(LLVMABISizeOfType(target, vertex_header) == offsetof(struct vertex_header, data[data_elems])); return vertex_header; } /** * Create LLVM types for various structures. */ static void create_jit_types(struct draw_llvm_variant *variant) { struct gallivm_state *gallivm = variant->gallivm; LLVMTypeRef texture_type, sampler_type, context_type, buffer_type, vb_type; texture_type = create_jit_texture_type(gallivm, "texture"); sampler_type = create_jit_sampler_type(gallivm, "sampler"); context_type = create_jit_context_type(gallivm, texture_type, sampler_type, "draw_jit_context"); variant->context_ptr_type = LLVMPointerType(context_type, 0); buffer_type = create_jit_dvbuffer_type(gallivm, "draw_vertex_buffer"); variant->buffer_ptr_type = LLVMPointerType(buffer_type, 0); vb_type = create_jit_vertex_buffer_type(gallivm, "pipe_vertex_buffer"); variant->vb_ptr_type = LLVMPointerType(vb_type, 0); } static LLVMTypeRef get_context_ptr_type(struct draw_llvm_variant *variant) { if (!variant->context_ptr_type) create_jit_types(variant); return variant->context_ptr_type; } static LLVMTypeRef get_buffer_ptr_type(struct draw_llvm_variant *variant) { if (!variant->buffer_ptr_type) create_jit_types(variant); return variant->buffer_ptr_type; } static LLVMTypeRef get_vb_ptr_type(struct draw_llvm_variant *variant) { if (!variant->vb_ptr_type) create_jit_types(variant); return variant->vb_ptr_type; } static LLVMTypeRef get_vertex_header_ptr_type(struct draw_llvm_variant *variant) { if (!variant->vertex_header_ptr_type) create_jit_types(variant); return variant->vertex_header_ptr_type; } /** * Create per-context LLVM info. */ struct draw_llvm * draw_llvm_create(struct draw_context *draw) { struct draw_llvm *llvm; llvm = CALLOC_STRUCT( draw_llvm ); if (!llvm) return NULL; lp_build_init(); llvm->draw = draw; llvm->nr_variants = 0; make_empty_list(&llvm->vs_variants_list); llvm->nr_gs_variants = 0; make_empty_list(&llvm->gs_variants_list); return llvm; } /** * Free per-context LLVM info. */ void draw_llvm_destroy(struct draw_llvm *llvm) { /* XXX free other draw_llvm data? */ FREE(llvm); } /** * Create LLVM-generated code for a vertex shader. */ struct draw_llvm_variant * draw_llvm_create_variant(struct draw_llvm *llvm, unsigned num_inputs, const struct draw_llvm_variant_key *key) { struct draw_llvm_variant *variant; struct llvm_vertex_shader *shader = llvm_vertex_shader(llvm->draw->vs.vertex_shader); LLVMTypeRef vertex_header; char module_name[64]; variant = MALLOC(sizeof *variant + shader->variant_key_size - sizeof variant->key); if (variant == NULL) return NULL; variant->llvm = llvm; variant->shader = shader; util_snprintf(module_name, sizeof(module_name), "draw_llvm_vs_variant%u", variant->shader->variants_cached); variant->gallivm = gallivm_create(module_name); create_jit_types(variant); memcpy(&variant->key, key, shader->variant_key_size); vertex_header = create_jit_vertex_header(variant->gallivm, num_inputs); variant->vertex_header_ptr_type = LLVMPointerType(vertex_header, 0); draw_llvm_generate(llvm, variant, FALSE); /* linear */ draw_llvm_generate(llvm, variant, TRUE); /* elts */ gallivm_compile_module(variant->gallivm); variant->jit_func = (draw_jit_vert_func) gallivm_jit_function(variant->gallivm, variant->function); variant->jit_func_elts = (draw_jit_vert_func_elts) gallivm_jit_function(variant->gallivm, variant->function_elts); gallivm_free_ir(variant->gallivm); variant->list_item_global.base = variant; variant->list_item_local.base = variant; /*variant->no = */shader->variants_created++; variant->list_item_global.base = variant; return variant; } static void generate_vs(struct draw_llvm_variant *variant, LLVMBuilderRef builder, struct lp_type vs_type, LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS], const LLVMValueRef (*inputs)[TGSI_NUM_CHANNELS], const struct lp_bld_tgsi_system_values *system_values, LLVMValueRef context_ptr, struct lp_build_sampler_soa *draw_sampler, boolean clamp_vertex_color) { struct draw_llvm *llvm = variant->llvm; const struct tgsi_token *tokens = llvm->draw->vs.vertex_shader->state.tokens; LLVMValueRef consts_ptr = draw_jit_context_vs_constants(variant->gallivm, context_ptr); LLVMValueRef num_consts_ptr = draw_jit_context_num_vs_constants(variant->gallivm, context_ptr); struct lp_build_sampler_soa *sampler = 0; if (gallivm_debug & (GALLIVM_DEBUG_TGSI | GALLIVM_DEBUG_IR)) { tgsi_dump(tokens, 0); draw_llvm_dump_variant_key(&variant->key); } if (llvm->draw->num_sampler_views && llvm->draw->num_samplers) sampler = draw_sampler; lp_build_tgsi_soa(variant->gallivm, tokens, vs_type, NULL /*struct lp_build_mask_context *mask*/, consts_ptr, num_consts_ptr, system_values, inputs, outputs, sampler, &llvm->draw->vs.vertex_shader->info, NULL); { LLVMValueRef out; unsigned chan, attrib; struct lp_build_context bld; struct tgsi_shader_info* info = &llvm->draw->vs.vertex_shader->info; lp_build_context_init(&bld, variant->gallivm, vs_type); for (attrib = 0; attrib < info->num_outputs; ++attrib) { for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { if (outputs[attrib][chan]) { switch (info->output_semantic_name[attrib]) { case TGSI_SEMANTIC_COLOR: case TGSI_SEMANTIC_BCOLOR: if (clamp_vertex_color) { out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); out = lp_build_clamp(&bld, out, bld.zero, bld.one); LLVMBuildStore(builder, out, outputs[attrib][chan]); } break; } } } } } } static void generate_fetch(struct gallivm_state *gallivm, struct draw_context *draw, LLVMValueRef vbuffers_ptr, LLVMValueRef *res, struct pipe_vertex_element *velem, LLVMValueRef vbuf, LLVMValueRef index, LLVMValueRef instance_id) { const struct util_format_description *format_desc = util_format_description(velem->src_format); LLVMValueRef zero = LLVMConstNull(LLVMInt32TypeInContext(gallivm->context)); LLVMBuilderRef builder = gallivm->builder; LLVMValueRef indices = LLVMConstInt(LLVMInt64TypeInContext(gallivm->context), velem->vertex_buffer_index, 0); LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr, &indices, 1, ""); LLVMValueRef vb_stride = draw_jit_vbuffer_stride(gallivm, vbuf); LLVMValueRef vb_buffer_offset = draw_jit_vbuffer_offset(gallivm, vbuf); LLVMValueRef map_ptr = draw_jit_dvbuffer_map(gallivm, vbuffer_ptr); LLVMValueRef buffer_size = draw_jit_dvbuffer_size(gallivm, vbuffer_ptr); LLVMValueRef stride; LLVMValueRef buffer_overflowed; LLVMValueRef needed_buffer_size; LLVMValueRef temp_ptr = lp_build_alloca(gallivm, lp_build_vec_type(gallivm, lp_float32_vec4_type()), ""); LLVMValueRef ofbit = NULL; struct lp_build_if_state if_ctx; if (velem->instance_divisor) { /* Index is equal to the start instance plus the number of current * instance divided by the divisor. In this case we compute it as: * index = start_instance + (instance_id / divisor) */ LLVMValueRef current_instance; index = lp_build_const_int32(gallivm, draw->start_instance); current_instance = LLVMBuildUDiv(builder, instance_id, lp_build_const_int32(gallivm, velem->instance_divisor), "instance_divisor"); index = lp_build_uadd_overflow(gallivm, index, current_instance, &ofbit); } stride = lp_build_umul_overflow(gallivm, vb_stride, index, &ofbit); stride = lp_build_uadd_overflow(gallivm, stride, vb_buffer_offset, &ofbit); stride = lp_build_uadd_overflow( gallivm, stride, lp_build_const_int32(gallivm, velem->src_offset), &ofbit); needed_buffer_size = lp_build_uadd_overflow( gallivm, stride, lp_build_const_int32(gallivm, util_format_get_blocksize(velem->src_format)), &ofbit); buffer_overflowed = LLVMBuildICmp(builder, LLVMIntUGT, needed_buffer_size, buffer_size, "buffer_overflowed"); buffer_overflowed = LLVMBuildOr(builder, buffer_overflowed, ofbit, ""); #if 0 lp_build_printf(gallivm, "vbuf index = %u, vb_stride is %u\n", index, vb_stride); lp_build_printf(gallivm, " vb_buffer_offset = %u, src_offset is %u\n", vb_buffer_offset, lp_build_const_int32(gallivm, velem->src_offset)); lp_build_print_value(gallivm, " blocksize = ", lp_build_const_int32( gallivm, util_format_get_blocksize(velem->src_format))); lp_build_printf(gallivm, " instance_id = %u\n", instance_id); lp_build_printf(gallivm, " stride = %u\n", stride); lp_build_printf(gallivm, " buffer size = %u\n", buffer_size); lp_build_printf(gallivm, " needed_buffer_size = %u\n", needed_buffer_size); lp_build_print_value(gallivm, " buffer overflowed = ", buffer_overflowed); #endif lp_build_if(&if_ctx, gallivm, buffer_overflowed); { LLVMValueRef val = lp_build_const_vec(gallivm, lp_float32_vec4_type(), 0); LLVMBuildStore(builder, val, temp_ptr); } lp_build_else(&if_ctx); { LLVMValueRef val; map_ptr = LLVMBuildGEP(builder, map_ptr, &stride, 1, ""); val = lp_build_fetch_rgba_aos(gallivm, format_desc, lp_float32_vec4_type(), map_ptr, zero, zero, zero); LLVMBuildStore(builder, val, temp_ptr); } lp_build_endif(&if_ctx); *res = LLVMBuildLoad(builder, temp_ptr, "aos"); } static void convert_to_soa(struct gallivm_state *gallivm, LLVMValueRef (*src_aos)[LP_MAX_VECTOR_WIDTH / 32], LLVMValueRef (*dst_soa)[TGSI_NUM_CHANNELS], unsigned num_attribs, const struct lp_type soa_type) { unsigned i, j, k; struct lp_type aos_channel_type = soa_type; debug_assert(TGSI_NUM_CHANNELS == 4); debug_assert((soa_type.length % TGSI_NUM_CHANNELS) == 0); aos_channel_type.length >>= 1; for (i = 0; i < num_attribs; ++i) { LLVMValueRef aos_channels[TGSI_NUM_CHANNELS]; unsigned pixels_per_channel = soa_type.length / TGSI_NUM_CHANNELS; for (j = 0; j < TGSI_NUM_CHANNELS; ++j) { LLVMValueRef channel[LP_MAX_VECTOR_LENGTH] = { 0 }; assert(pixels_per_channel <= LP_MAX_VECTOR_LENGTH); for (k = 0; k < pixels_per_channel; ++k) { channel[k] = src_aos[i][j + TGSI_NUM_CHANNELS * k]; } aos_channels[j] = lp_build_concat(gallivm, channel, aos_channel_type, pixels_per_channel); } lp_build_transpose_aos(gallivm, soa_type, aos_channels, dst_soa[i]); } } static void store_aos(struct gallivm_state *gallivm, LLVMValueRef io_ptr, LLVMValueRef index, LLVMValueRef value) { LLVMTypeRef data_ptr_type = LLVMPointerType(lp_build_vec_type(gallivm, lp_float32_vec4_type()), 0); LLVMBuilderRef builder = gallivm->builder; LLVMValueRef data_ptr = draw_jit_header_data(gallivm, io_ptr); LLVMValueRef indices[3]; indices[0] = lp_build_const_int32(gallivm, 0); indices[1] = index; indices[2] = lp_build_const_int32(gallivm, 0); data_ptr = LLVMBuildGEP(builder, data_ptr, indices, 3, ""); data_ptr = LLVMBuildPointerCast(builder, data_ptr, data_ptr_type, ""); #if DEBUG_STORE lp_build_printf(gallivm, " ---- %p storing attribute %d (io = %p)\n", data_ptr, index, io_ptr); #endif /* Unaligned store due to the vertex header */ lp_set_store_alignment(LLVMBuildStore(builder, value, data_ptr), sizeof(float)); } /** * Adjust the mask to architecture endianess. The mask will the store in struct: * * struct vertex_header { * unsigned clipmask:DRAW_TOTAL_CLIP_PLANES; * unsigned edgeflag:1; * unsigned have_clipdist:1; * unsigned vertex_id:16; * [...] * } * * On little-endian machine nothing needs to done, however on bit-endian machine * the mask's fields need to be adjusted with the algorithm: * * uint32_t reverse (uint32_t x) * { * return (x >> 16) | // vertex_id * ((x & 0x3fff) << 18) | // clipmask * ((x & 0x4000) << 3) | // have_clipdist * ((x & 0x8000) << 1); // edgeflag * } */ static LLVMValueRef adjust_mask(struct gallivm_state *gallivm, LLVMValueRef mask) { #ifdef PIPE_ARCH_BIG_ENDIAN LLVMBuilderRef builder = gallivm->builder; LLVMValueRef vertex_id; LLVMValueRef clipmask; LLVMValueRef have_clipdist; LLVMValueRef edgeflag; vertex_id = LLVMBuildLShr(builder, mask, lp_build_const_int32(gallivm, 16), ""); clipmask = LLVMBuildAnd(builder, mask, lp_build_const_int32(gallivm, 0x3fff), ""); clipmask = LLVMBuildShl(builder, clipmask, lp_build_const_int32(gallivm, 18), ""); have_clipdist = LLVMBuildAnd(builder, mask, lp_build_const_int32(gallivm, 0x4000), ""); have_clipdist = LLVMBuildShl(builder, have_clipdist, lp_build_const_int32(gallivm, 3), ""); edgeflag = LLVMBuildAnd(builder, mask, lp_build_const_int32(gallivm, 0x8000), ""); edgeflag = LLVMBuildShl(builder, edgeflag, lp_build_const_int32(gallivm, 1), ""); mask = LLVMBuildOr(builder, vertex_id, clipmask, ""); mask = LLVMBuildOr(builder, mask, have_clipdist, ""); mask = LLVMBuildOr(builder, mask, edgeflag, ""); #endif return mask; } static void store_aos_array(struct gallivm_state *gallivm, struct lp_type soa_type, LLVMValueRef io_ptr, LLVMValueRef *indices, LLVMValueRef* aos, int attrib, int num_outputs, LLVMValueRef clipmask, boolean have_clipdist) { LLVMBuilderRef builder = gallivm->builder; LLVMValueRef attr_index = lp_build_const_int32(gallivm, attrib); LLVMValueRef inds[LP_MAX_VECTOR_WIDTH / 32]; LLVMValueRef linear_inds[LP_MAX_VECTOR_WIDTH / 32]; LLVMValueRef io_ptrs[LP_MAX_VECTOR_WIDTH / 32]; int vector_length = soa_type.length; int i; debug_assert(TGSI_NUM_CHANNELS == 4); for (i = 0; i < vector_length; i++) { linear_inds[i] = lp_build_const_int32(gallivm, i); if (indices) { inds[i] = indices[i]; } else { inds[i] = linear_inds[i]; } io_ptrs[i] = LLVMBuildGEP(builder, io_ptr, &inds[i], 1, ""); } if (attrib == 0) { /* store vertex header for each of the n vertices */ LLVMValueRef val, cliptmp; int vertex_id_pad_edgeflag; /* If this assertion fails, it means we need to update the bit twidding * code here. See struct vertex_header in draw_private.h. */ assert(DRAW_TOTAL_CLIP_PLANES==14); /* initialize vertex id:16 = 0xffff, have_clipdist:1 = 0, edgeflag:1 = 1 */ vertex_id_pad_edgeflag = (0xffff << 16) | (1 << DRAW_TOTAL_CLIP_PLANES); if (have_clipdist) vertex_id_pad_edgeflag |= 1 << (DRAW_TOTAL_CLIP_PLANES+1); val = lp_build_const_int_vec(gallivm, lp_int_type(soa_type), vertex_id_pad_edgeflag); /* OR with the clipmask */ cliptmp = LLVMBuildOr(builder, val, clipmask, ""); for (i = 0; i < vector_length; i++) { LLVMValueRef id_ptr = draw_jit_header_id(gallivm, io_ptrs[i]); val = LLVMBuildExtractElement(builder, cliptmp, linear_inds[i], ""); val = adjust_mask(gallivm, val); #if DEBUG_STORE lp_build_printf(gallivm, "io = %p, index %d, clipmask = %x\n", io_ptrs[i], inds[i], val); #endif LLVMBuildStore(builder, val, id_ptr); } } /* store for each of the n vertices */ for (i = 0; i < vector_length; i++) { store_aos(gallivm, io_ptrs[i], attr_index, aos[i]); } } static void convert_to_aos(struct gallivm_state *gallivm, LLVMValueRef io, LLVMValueRef *indices, LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS], LLVMValueRef clipmask, int num_outputs, struct lp_type soa_type, boolean have_clipdist) { LLVMBuilderRef builder = gallivm->builder; unsigned chan, attrib, i; #if DEBUG_STORE lp_build_printf(gallivm, " # storing begin\n"); #endif for (attrib = 0; attrib < num_outputs; ++attrib) { LLVMValueRef soa[TGSI_NUM_CHANNELS]; LLVMValueRef aos[LP_MAX_VECTOR_WIDTH / 32]; for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { if (outputs[attrib][chan]) { LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); lp_build_name(out, "output%u.%c", attrib, "xyzw"[chan]); #if DEBUG_STORE lp_build_printf(gallivm, "output %d : %d ", LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), attrib, 0), LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), chan, 0)); lp_build_print_value(gallivm, "val = ", out); { LLVMValueRef iv = LLVMBuildBitCast(builder, out, lp_build_int_vec_type(gallivm, soa_type), ""); lp_build_print_value(gallivm, " ival = ", iv); } #endif soa[chan] = out; } else { soa[chan] = 0; } } if (soa_type.length == TGSI_NUM_CHANNELS) { lp_build_transpose_aos(gallivm, soa_type, soa, aos); } else { lp_build_transpose_aos(gallivm, soa_type, soa, soa); for (i = 0; i < soa_type.length; ++i) { aos[i] = lp_build_extract_range(gallivm, soa[i % TGSI_NUM_CHANNELS], (i / TGSI_NUM_CHANNELS) * TGSI_NUM_CHANNELS, TGSI_NUM_CHANNELS); } } store_aos_array(gallivm, soa_type, io, indices, aos, attrib, num_outputs, clipmask, have_clipdist); } #if DEBUG_STORE lp_build_printf(gallivm, " # storing end\n"); #endif } /** * Stores original vertex positions in clip coordinates */ static void store_clip(struct gallivm_state *gallivm, const struct lp_type vs_type, LLVMValueRef io_ptr, LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS], boolean pre_clip_pos, int idx) { LLVMBuilderRef builder = gallivm->builder; LLVMValueRef soa[4]; LLVMValueRef aos[LP_MAX_VECTOR_LENGTH]; LLVMValueRef indices[2]; LLVMValueRef io_ptrs[LP_MAX_VECTOR_WIDTH / 32]; LLVMValueRef inds[LP_MAX_VECTOR_WIDTH / 32]; LLVMValueRef clip_ptrs[LP_MAX_VECTOR_WIDTH / 32]; LLVMTypeRef clip_ptr_type = LLVMPointerType(LLVMVectorType(LLVMFloatTypeInContext(gallivm->context), 4), 0); int i, j; indices[0] = indices[1] = lp_build_const_int32(gallivm, 0); for (i = 0; i < vs_type.length; i++) { inds[i] = lp_build_const_int32(gallivm, i); io_ptrs[i] = LLVMBuildGEP(builder, io_ptr, &inds[i], 1, ""); } soa[0] = LLVMBuildLoad(builder, outputs[idx][0], ""); /*x0 x1 .. xn*/ soa[1] = LLVMBuildLoad(builder, outputs[idx][1], ""); /*y0 y1 .. yn*/ soa[2] = LLVMBuildLoad(builder, outputs[idx][2], ""); /*z0 z1 .. zn*/ soa[3] = LLVMBuildLoad(builder, outputs[idx][3], ""); /*w0 w1 .. wn*/ if (!pre_clip_pos) { for (i = 0; i < vs_type.length; i++) { clip_ptrs[i] = draw_jit_header_clip(gallivm, io_ptrs[i]); } } else { for (i = 0; i < vs_type.length; i++) { clip_ptrs[i] = draw_jit_header_pre_clip_pos(gallivm, io_ptrs[i]); } } lp_build_transpose_aos(gallivm, vs_type, soa, soa); for (i = 0; i < vs_type.length; ++i) { aos[i] = lp_build_extract_range(gallivm, soa[i % TGSI_NUM_CHANNELS], (i / TGSI_NUM_CHANNELS) * TGSI_NUM_CHANNELS, TGSI_NUM_CHANNELS); } for (j = 0; j < vs_type.length; j++) { LLVMValueRef clip_ptr; clip_ptr = LLVMBuildGEP(builder, clip_ptrs[j], indices, 2, "clipo"); clip_ptr = LLVMBuildPointerCast(builder, clip_ptr, clip_ptr_type, ""); /* Unaligned store */ lp_set_store_alignment(LLVMBuildStore(builder, aos[j], clip_ptr), sizeof(float)); } } /** * Transforms the outputs for viewport mapping */ static void generate_viewport(struct draw_llvm_variant *variant, LLVMBuilderRef builder, struct lp_type vs_type, LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS], LLVMValueRef context_ptr) { int i; struct gallivm_state *gallivm = variant->gallivm; struct lp_type f32_type = vs_type; const unsigned pos = variant->llvm->draw->vs.position_output; LLVMTypeRef vs_type_llvm = lp_build_vec_type(gallivm, vs_type); LLVMValueRef out3 = LLVMBuildLoad(builder, outputs[pos][3], ""); /*w0 w1 .. wn*/ LLVMValueRef const1 = lp_build_const_vec(gallivm, f32_type, 1.0); /*1.0 1.0 1.0 1.0*/ LLVMValueRef vp_ptr = draw_jit_context_viewport(gallivm, context_ptr); /* for 1/w convention*/ out3 = LLVMBuildFDiv(builder, const1, out3, ""); LLVMBuildStore(builder, out3, outputs[pos][3]); /* Viewport Mapping */ for (i=0; i<3; i++) { LLVMValueRef out = LLVMBuildLoad(builder, outputs[pos][i], ""); /*x0 x1 .. xn*/ LLVMValueRef scale; LLVMValueRef trans; LLVMValueRef scale_i; LLVMValueRef trans_i; LLVMValueRef index; index = lp_build_const_int32(gallivm, i); scale_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, ""); index = lp_build_const_int32(gallivm, i+4); trans_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, ""); scale = lp_build_broadcast(gallivm, vs_type_llvm, LLVMBuildLoad(builder, scale_i, "scale")); trans = lp_build_broadcast(gallivm, vs_type_llvm, LLVMBuildLoad(builder, trans_i, "trans")); /* divide by w */ out = LLVMBuildFMul(builder, out, out3, ""); /* mult by scale */ out = LLVMBuildFMul(builder, out, scale, ""); /* add translation */ out = LLVMBuildFAdd(builder, out, trans, ""); /* store transformed outputs */ LLVMBuildStore(builder, out, outputs[pos][i]); } } /** * Returns clipmask as nxi32 bitmask for the n vertices */ static LLVMValueRef generate_clipmask(struct draw_llvm *llvm, struct gallivm_state *gallivm, struct lp_type vs_type, LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS], boolean clip_xy, boolean clip_z, boolean clip_user, boolean clip_halfz, unsigned ucp_enable, LLVMValueRef context_ptr, boolean *have_clipdist) { LLVMBuilderRef builder = gallivm->builder; LLVMValueRef mask; /* stores the clipmasks */ LLVMValueRef test, temp; LLVMValueRef zero, shift; LLVMValueRef pos_x, pos_y, pos_z, pos_w; LLVMValueRef cv_x, cv_y, cv_z, cv_w; LLVMValueRef plane1, planes, plane_ptr, sum; struct lp_type f32_type = vs_type; struct lp_type i32_type = lp_int_type(vs_type); const unsigned pos = llvm->draw->vs.position_output; const unsigned cv = llvm->draw->vs.clipvertex_output; int num_written_clipdistance = llvm->draw->vs.vertex_shader->info.num_written_clipdistance; bool have_cd = false; unsigned cd[2]; cd[0] = llvm->draw->vs.clipdistance_output[0]; cd[1] = llvm->draw->vs.clipdistance_output[1]; if (cd[0] != pos || cd[1] != pos) have_cd = true; if (num_written_clipdistance && !clip_user) { clip_user = true; ucp_enable = (1 << num_written_clipdistance) - 1; } mask = lp_build_const_int_vec(gallivm, i32_type, 0); temp = lp_build_const_int_vec(gallivm, i32_type, 0); zero = lp_build_const_vec(gallivm, f32_type, 0); /* 0.0f 0.0f 0.0f 0.0f */ shift = lp_build_const_int_vec(gallivm, i32_type, 1); /* 1 1 1 1 */ /* * load clipvertex and position from correct locations. * if they are the same just load them once. */ pos_x = LLVMBuildLoad(builder, outputs[pos][0], ""); /*x0 x1 .. xn */ pos_y = LLVMBuildLoad(builder, outputs[pos][1], ""); /*y0 y1 .. yn */ pos_z = LLVMBuildLoad(builder, outputs[pos][2], ""); /*z0 z1 .. zn */ pos_w = LLVMBuildLoad(builder, outputs[pos][3], ""); /*w0 w1 .. wn */ if (clip_user && cv != pos) { cv_x = LLVMBuildLoad(builder, outputs[cv][0], ""); /*x0 x1 .. xn */ cv_y = LLVMBuildLoad(builder, outputs[cv][1], ""); /*y0 y1 .. yn */ cv_z = LLVMBuildLoad(builder, outputs[cv][2], ""); /*z0 z1 .. zn */ cv_w = LLVMBuildLoad(builder, outputs[cv][3], ""); /*w0 w1 .. wn */ } else { cv_x = pos_x; cv_y = pos_y; cv_z = pos_z; cv_w = pos_w; } /* Cliptest, for hardwired planes */ if (clip_xy) { /* plane 1 */ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, pos_x , pos_w); temp = shift; test = LLVMBuildAnd(builder, test, temp, ""); mask = test; /* plane 2 */ test = LLVMBuildFAdd(builder, pos_x, pos_w, ""); test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, test); temp = LLVMBuildShl(builder, temp, shift, ""); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); /* plane 3 */ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, pos_y, pos_w); temp = LLVMBuildShl(builder, temp, shift, ""); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); /* plane 4 */ test = LLVMBuildFAdd(builder, pos_y, pos_w, ""); test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, test); temp = LLVMBuildShl(builder, temp, shift, ""); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); } if (clip_z) { temp = lp_build_const_int_vec(gallivm, i32_type, 16); if (clip_halfz) { /* plane 5 */ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, pos_z); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); } else { /* plane 5 */ test = LLVMBuildFAdd(builder, pos_z, pos_w, ""); test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, test); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); } /* plane 6 */ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, pos_z, pos_w); temp = LLVMBuildShl(builder, temp, shift, ""); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); } if (clip_user) { LLVMValueRef planes_ptr = draw_jit_context_planes(gallivm, context_ptr); LLVMValueRef indices[3]; LLVMValueRef is_nan_or_inf; /* userclip planes */ while (ucp_enable) { unsigned plane_idx = ffs(ucp_enable)-1; ucp_enable &= ~(1 << plane_idx); plane_idx += 6; if (have_cd && num_written_clipdistance) { LLVMValueRef clipdist; int i; i = plane_idx - 6; *have_clipdist = TRUE; if (i < 4) { clipdist = LLVMBuildLoad(builder, outputs[cd[0]][i], ""); } else { clipdist = LLVMBuildLoad(builder, outputs[cd[1]][i-4], ""); } test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, clipdist); is_nan_or_inf = lp_build_is_inf_or_nan(gallivm, vs_type, clipdist); test = LLVMBuildOr(builder, test, is_nan_or_inf, ""); temp = lp_build_const_int_vec(gallivm, i32_type, 1 << plane_idx); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); } else { LLVMTypeRef vs_type_llvm = lp_build_vec_type(gallivm, vs_type); indices[0] = lp_build_const_int32(gallivm, 0); indices[1] = lp_build_const_int32(gallivm, plane_idx); indices[2] = lp_build_const_int32(gallivm, 0); plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_x"); planes = lp_build_broadcast(gallivm, vs_type_llvm, plane1); sum = LLVMBuildFMul(builder, planes, cv_x, ""); indices[2] = lp_build_const_int32(gallivm, 1); plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_y"); planes = lp_build_broadcast(gallivm, vs_type_llvm, plane1); test = LLVMBuildFMul(builder, planes, cv_y, ""); sum = LLVMBuildFAdd(builder, sum, test, ""); indices[2] = lp_build_const_int32(gallivm, 2); plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_z"); planes = lp_build_broadcast(gallivm, vs_type_llvm, plane1); test = LLVMBuildFMul(builder, planes, cv_z, ""); sum = LLVMBuildFAdd(builder, sum, test, ""); indices[2] = lp_build_const_int32(gallivm, 3); plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_w"); planes = lp_build_broadcast(gallivm, vs_type_llvm, plane1); test = LLVMBuildFMul(builder, planes, cv_w, ""); sum = LLVMBuildFAdd(builder, sum, test, ""); test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, sum); temp = lp_build_const_int_vec(gallivm, i32_type, 1 << plane_idx); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); } } } return mask; } /** * Returns boolean if any clipping has occurred * Used zero/non-zero i32 value to represent boolean */ static LLVMValueRef clipmask_booli32(struct gallivm_state *gallivm, const struct lp_type vs_type, LLVMValueRef clipmask_bool_ptr) { LLVMBuilderRef builder = gallivm->builder; LLVMTypeRef int32_type = LLVMInt32TypeInContext(gallivm->context); LLVMValueRef clipmask_bool = LLVMBuildLoad(builder, clipmask_bool_ptr, ""); LLVMValueRef ret = LLVMConstNull(int32_type); LLVMValueRef temp; int i; /* * Can do this with log2(vector length) pack instructions and one extract * (as we don't actually need a or) with sse2 which would be way better. */ for (i=0; i < vs_type.length; i++) { temp = LLVMBuildExtractElement(builder, clipmask_bool, lp_build_const_int32(gallivm, i) , ""); ret = LLVMBuildOr(builder, ret, temp, ""); } return ret; } static LLVMValueRef draw_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface *gs_iface, struct lp_build_tgsi_context * bld_base, boolean is_vindex_indirect, LLVMValueRef vertex_index, boolean is_aindex_indirect, LLVMValueRef attrib_index, LLVMValueRef swizzle_index) { const struct draw_gs_llvm_iface *gs = draw_gs_llvm_iface(gs_iface); struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; LLVMValueRef indices[3]; LLVMValueRef res; struct lp_type type = bld_base->base.type; if (is_vindex_indirect || is_aindex_indirect) { int i; res = bld_base->base.zero; for (i = 0; i < type.length; ++i) { LLVMValueRef idx = lp_build_const_int32(gallivm, i); LLVMValueRef vert_chan_index = vertex_index; LLVMValueRef attr_chan_index = attrib_index; LLVMValueRef channel_vec, value; if (is_vindex_indirect) { vert_chan_index = LLVMBuildExtractElement(builder, vertex_index, idx, ""); } if (is_aindex_indirect) { attr_chan_index = LLVMBuildExtractElement(builder, attrib_index, idx, ""); } indices[0] = vert_chan_index; indices[1] = attr_chan_index; indices[2] = swizzle_index; channel_vec = LLVMBuildGEP(builder, gs->input, indices, 3, ""); channel_vec = LLVMBuildLoad(builder, channel_vec, ""); value = LLVMBuildExtractElement(builder, channel_vec, idx, ""); res = LLVMBuildInsertElement(builder, res, value, idx, ""); } } else { indices[0] = vertex_index; indices[1] = attrib_index; indices[2] = swizzle_index; res = LLVMBuildGEP(builder, gs->input, indices, 3, ""); res = LLVMBuildLoad(builder, res, ""); } return res; } static void draw_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface *gs_base, struct lp_build_tgsi_context * bld_base, LLVMValueRef (*outputs)[4], LLVMValueRef emitted_vertices_vec) { const struct draw_gs_llvm_iface *gs_iface = draw_gs_llvm_iface(gs_base); struct draw_gs_llvm_variant *variant = gs_iface->variant; struct gallivm_state *gallivm = variant->gallivm; LLVMBuilderRef builder = gallivm->builder; struct lp_type gs_type = bld_base->base.type; LLVMValueRef clipmask = lp_build_const_int_vec(gallivm, lp_int_type(gs_type), 0); LLVMValueRef indices[LP_MAX_VECTOR_LENGTH]; LLVMValueRef next_prim_offset = lp_build_const_int32(gallivm, variant->shader->base.primitive_boundary); LLVMValueRef io = variant->io_ptr; unsigned i; const struct tgsi_shader_info *gs_info = &variant->shader->base.info; for (i = 0; i < gs_type.length; ++i) { LLVMValueRef ind = lp_build_const_int32(gallivm, i); LLVMValueRef currently_emitted = LLVMBuildExtractElement(builder, emitted_vertices_vec, ind, ""); indices[i] = LLVMBuildMul(builder, ind, next_prim_offset, ""); indices[i] = LLVMBuildAdd(builder, indices[i], currently_emitted, ""); } convert_to_aos(gallivm, io, indices, outputs, clipmask, gs_info->num_outputs, gs_type, FALSE); } static void draw_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface *gs_base, struct lp_build_tgsi_context * bld_base, LLVMValueRef verts_per_prim_vec, LLVMValueRef emitted_prims_vec) { const struct draw_gs_llvm_iface *gs_iface = draw_gs_llvm_iface(gs_base); struct draw_gs_llvm_variant *variant = gs_iface->variant; struct gallivm_state *gallivm = variant->gallivm; LLVMBuilderRef builder = gallivm->builder; LLVMValueRef prim_lengts_ptr = draw_gs_jit_prim_lengths(variant->gallivm, variant->context_ptr); unsigned i; for (i = 0; i < bld_base->base.type.length; ++i) { LLVMValueRef ind = lp_build_const_int32(gallivm, i); LLVMValueRef prims_emitted = LLVMBuildExtractElement(builder, emitted_prims_vec, ind, ""); LLVMValueRef store_ptr; LLVMValueRef num_vertices = LLVMBuildExtractElement(builder, verts_per_prim_vec, ind, ""); store_ptr = LLVMBuildGEP(builder, prim_lengts_ptr, &prims_emitted, 1, ""); store_ptr = LLVMBuildLoad(builder, store_ptr, ""); store_ptr = LLVMBuildGEP(builder, store_ptr, &ind, 1, ""); LLVMBuildStore(builder, num_vertices, store_ptr); } } static void draw_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface *gs_base, struct lp_build_tgsi_context * bld_base, LLVMValueRef total_emitted_vertices_vec, LLVMValueRef emitted_prims_vec) { const struct draw_gs_llvm_iface *gs_iface = draw_gs_llvm_iface(gs_base); struct draw_gs_llvm_variant *variant = gs_iface->variant; struct gallivm_state *gallivm = variant->gallivm; LLVMBuilderRef builder = gallivm->builder; LLVMValueRef emitted_verts_ptr = draw_gs_jit_emitted_vertices(gallivm, variant->context_ptr); LLVMValueRef emitted_prims_ptr = draw_gs_jit_emitted_prims(gallivm, variant->context_ptr); LLVMValueRef zero = lp_build_const_int32(gallivm, 0); emitted_verts_ptr = LLVMBuildGEP(builder, emitted_verts_ptr, &zero, 0, ""); emitted_prims_ptr = LLVMBuildGEP(builder, emitted_prims_ptr, &zero, 0, ""); LLVMBuildStore(builder, total_emitted_vertices_vec, emitted_verts_ptr); LLVMBuildStore(builder, emitted_prims_vec, emitted_prims_ptr); } static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant, boolean elts) { struct gallivm_state *gallivm = variant->gallivm; LLVMContextRef context = gallivm->context; LLVMTypeRef int32_type = LLVMInt32TypeInContext(context); LLVMTypeRef arg_types[10]; unsigned num_arg_types = elts ? Elements(arg_types) : Elements(arg_types) - 1; LLVMTypeRef func_type; LLVMValueRef context_ptr; LLVMBasicBlockRef block; LLVMBuilderRef builder; char func_name[64]; struct lp_type vs_type; LLVMValueRef end, start; LLVMValueRef count, fetch_elts, fetch_elt_max, fetch_count; LLVMValueRef vertex_id_offset; LLVMValueRef stride, step, io_itr; LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr; 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; struct lp_build_context bld; struct lp_build_loop_state lp_loop; const int vector_length = lp_native_vector_width / 32; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS]; LLVMValueRef fetch_max; struct lp_build_sampler_soa *sampler = 0; LLVMValueRef ret, clipmask_bool_ptr; struct draw_llvm_variant_key *key = &variant->key; /* If geometry shader is present we need to skip both the viewport * transformation and clipping otherwise the inputs to the geometry * shader will be incorrect. */ const boolean bypass_viewport = key->has_gs || key->bypass_viewport; const boolean enable_cliptest = !key->has_gs && (key->clip_xy || key->clip_z || key->clip_user); LLVMValueRef variant_func; const unsigned pos = llvm->draw->vs.position_output; const unsigned cv = llvm->draw->vs.clipvertex_output; boolean have_clipdist = FALSE; struct lp_bld_tgsi_system_values system_values; memset(&system_values, 0, sizeof(system_values)); util_snprintf(func_name, sizeof(func_name), "draw_llvm_vs_variant%u_%s", variant->shader->variants_cached, elts ? "elts" : "linear"); i = 0; arg_types[i++] = get_context_ptr_type(variant); /* context */ arg_types[i++] = get_vertex_header_ptr_type(variant); /* vertex_header */ arg_types[i++] = get_buffer_ptr_type(variant); /* vbuffers */ if (elts) { arg_types[i++] = LLVMPointerType(int32_type, 0);/* fetch_elts */ arg_types[i++] = int32_type; /* fetch_elt_max */ } else arg_types[i++] = int32_type; /* start */ arg_types[i++] = int32_type; /* fetch_count / count */ arg_types[i++] = int32_type; /* stride */ arg_types[i++] = get_vb_ptr_type(variant); /* pipe_vertex_buffer's */ arg_types[i++] = int32_type; /* instance_id */ arg_types[i++] = int32_type; /* vertex_id_offset */ func_type = LLVMFunctionType(int32_type, arg_types, num_arg_types, 0); variant_func = LLVMAddFunction(gallivm->module, func_name, func_type); if (elts) variant->function_elts = variant_func; else variant->function = variant_func; LLVMSetFunctionCallConv(variant_func, LLVMCCallConv); for (i = 0; i < num_arg_types; ++i) if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) LLVMAddAttribute(LLVMGetParam(variant_func, i), LLVMNoAliasAttribute); context_ptr = LLVMGetParam(variant_func, 0); io_ptr = LLVMGetParam(variant_func, 1); vbuffers_ptr = LLVMGetParam(variant_func, 2); stride = LLVMGetParam(variant_func, 5 + (elts ? 1 : 0)); vb_ptr = LLVMGetParam(variant_func, 6 + (elts ? 1 : 0)); system_values.instance_id = LLVMGetParam(variant_func, 7 + (elts ? 1 : 0)); vertex_id_offset = LLVMGetParam(variant_func, 8 + (elts ? 1 : 0)); lp_build_name(context_ptr, "context"); lp_build_name(io_ptr, "io"); lp_build_name(vbuffers_ptr, "vbuffers"); lp_build_name(stride, "stride"); lp_build_name(vb_ptr, "vb"); lp_build_name(system_values.instance_id, "instance_id"); lp_build_name(vertex_id_offset, "vertex_id_offset"); if (elts) { fetch_elts = LLVMGetParam(variant_func, 3); fetch_elt_max = LLVMGetParam(variant_func, 4); fetch_count = LLVMGetParam(variant_func, 5); lp_build_name(fetch_elts, "fetch_elts"); lp_build_name(fetch_elt_max, "fetch_elt_max"); lp_build_name(fetch_count, "fetch_count"); start = count = NULL; } else { start = LLVMGetParam(variant_func, 3); count = LLVMGetParam(variant_func, 4); lp_build_name(start, "start"); lp_build_name(count, "count"); fetch_elts = fetch_count = NULL; } /* * Function body */ block = LLVMAppendBasicBlockInContext(gallivm->context, variant_func, "entry"); builder = gallivm->builder; LLVMPositionBuilderAtEnd(builder, block); lp_build_context_init(&bld, gallivm, lp_type_int(32)); memset(&vs_type, 0, sizeof vs_type); vs_type.floating = TRUE; /* floating point values */ vs_type.sign = TRUE; /* values are signed */ vs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ vs_type.width = 32; /* 32-bit float */ vs_type.length = vector_length; /* hold temporary "bool" clipmask */ clipmask_bool_ptr = lp_build_alloca(gallivm, lp_build_int_vec_type(gallivm, vs_type), ""); LLVMBuildStore(builder, lp_build_zero(gallivm, lp_int_type(vs_type)), clipmask_bool_ptr); /* code generated texture sampling */ sampler = draw_llvm_sampler_soa_create( draw_llvm_variant_key_samplers(key), context_ptr); if (elts) { start = zero; end = fetch_count; count = fetch_count; } else { end = lp_build_add(&bld, start, count); } step = lp_build_const_int32(gallivm, vector_length); fetch_max = LLVMBuildSub(builder, end, one, "fetch_max"); lp_build_loop_begin(&lp_loop, gallivm, zero); { LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS]; LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][LP_MAX_VECTOR_WIDTH / 32] = { { 0 } }; LLVMValueRef io; LLVMValueRef clipmask; /* holds the clipmask value */ const LLVMValueRef (*ptr_aos)[TGSI_NUM_CHANNELS]; io_itr = lp_loop.counter; io = LLVMBuildGEP(builder, io_ptr, &io_itr, 1, ""); #if DEBUG_STORE lp_build_printf(gallivm, " --- io %d = %p, loop counter %d\n", io_itr, io, lp_loop.counter); #endif system_values.vertex_id = lp_build_zero(gallivm, lp_type_uint_vec(32, 32*vector_length)); for (i = 0; i < vector_length; ++i) { LLVMValueRef vert_index = LLVMBuildAdd(builder, lp_loop.counter, lp_build_const_int32(gallivm, i), ""); LLVMValueRef true_index = LLVMBuildAdd(builder, start, vert_index, ""); LLVMValueRef vertex_id; /* 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); if (elts) { LLVMValueRef fetch_ptr; LLVMValueRef index_overflowed; LLVMValueRef index_ptr = lp_build_alloca( gallivm, lp_build_vec_type(gallivm, lp_type_int(32)), ""); struct lp_build_if_state if_ctx; index_overflowed = LLVMBuildICmp(builder, LLVMIntUGT, true_index, fetch_elt_max, "index_overflowed"); lp_build_if(&if_ctx, gallivm, index_overflowed); { /* Generate maximum possible index so that * generate_fetch can treat it just like * any other overflow and return zeros. * We don't have to worry about the restart * primitive index because it has already been * handled */ LLVMValueRef val = lp_build_const_int32(gallivm, 0xffffffff); LLVMBuildStore(builder, val, index_ptr); } lp_build_else(&if_ctx); { LLVMValueRef val; fetch_ptr = LLVMBuildGEP(builder, fetch_elts, &true_index, 1, ""); val = LLVMBuildLoad(builder, fetch_ptr, ""); LLVMBuildStore(builder, val, index_ptr); } lp_build_endif(&if_ctx); true_index = LLVMBuildLoad(builder, index_ptr, "true_index"); } /* in the paths with elts vertex id has to be unaffected by the * index bias and because indices inside our elements array have * already had index bias applied we need to subtract it here to * get back to the original index. * in the linear paths vertex id has to be unaffected by the * original start index and because we abuse the 'start' variable * to either represent the actual start index or the index at which * the primitive was split (we split rendering into chunks of at * most 4095-vertices) we need to back out the original start * index out of our vertex id here. */ vertex_id = LLVMBuildSub(builder, true_index, vertex_id_offset, ""); system_values.vertex_id = LLVMBuildInsertElement( gallivm->builder, system_values.vertex_id, vertex_id, lp_build_const_int32(gallivm, i), ""); 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(gallivm, draw, vbuffers_ptr, &aos_attribs[j][i], velem, vb, true_index, system_values.instance_id); } } convert_to_soa(gallivm, aos_attribs, inputs, draw->pt.nr_vertex_elements, vs_type); ptr_aos = (const LLVMValueRef (*)[TGSI_NUM_CHANNELS]) inputs; generate_vs(variant, builder, vs_type, outputs, ptr_aos, &system_values, context_ptr, sampler, key->clamp_vertex_color); if (pos != -1 && cv != -1) { /* store original positions in clip before further manipulation */ store_clip(gallivm, vs_type, io, outputs, FALSE, key->clip_user ? cv : pos); store_clip(gallivm, vs_type, io, outputs, TRUE, pos); /* do cliptest */ if (enable_cliptest) { LLVMValueRef temp = LLVMBuildLoad(builder, clipmask_bool_ptr, ""); /* allocate clipmask, assign it integer type */ clipmask = generate_clipmask(llvm, gallivm, vs_type, outputs, key->clip_xy, key->clip_z, key->clip_user, key->clip_halfz, key->ucp_enable, context_ptr, &have_clipdist); temp = LLVMBuildOr(builder, clipmask, temp, ""); /* store temporary clipping boolean value */ LLVMBuildStore(builder, temp, clipmask_bool_ptr); } else { clipmask = lp_build_const_int_vec(gallivm, lp_int_type(vs_type), 0); } /* do viewport mapping */ if (!bypass_viewport) { generate_viewport(variant, builder, vs_type, outputs, context_ptr); } } else { clipmask = lp_build_const_int_vec(gallivm, lp_int_type(vs_type), 0); } /* store clipmask in vertex header, * original positions in clip * and transformed positions in data */ convert_to_aos(gallivm, io, NULL, outputs, clipmask, vs_info->num_outputs, vs_type, have_clipdist); } lp_build_loop_end_cond(&lp_loop, count, step, LLVMIntUGE); sampler->destroy(sampler); /* return clipping boolean value for function */ ret = clipmask_booli32(gallivm, vs_type, clipmask_bool_ptr); LLVMBuildRet(builder, ret); gallivm_verify_function(gallivm, variant_func); } struct draw_llvm_variant_key * draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store) { unsigned i; struct draw_llvm_variant_key *key; struct draw_sampler_static_state *draw_sampler; key = (struct draw_llvm_variant_key *)store; key->clamp_vertex_color = llvm->draw->rasterizer->clamp_vertex_color; /**/ /* Presumably all variants of the shader should have the same * number of vertex elements - ie the number of shader inputs. * NOTE: we NEED to store the needed number of needed inputs * here, not the number of provided elements to match keysize * (and the offset of sampler state in the key). */ key->nr_vertex_elements = llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_INPUT] + 1; assert(key->nr_vertex_elements <= llvm->draw->pt.nr_vertex_elements); /* will have to rig this up properly later */ key->clip_xy = llvm->draw->clip_xy; key->clip_z = llvm->draw->clip_z; key->clip_user = llvm->draw->clip_user; key->bypass_viewport = llvm->draw->identity_viewport; key->clip_halfz = llvm->draw->rasterizer->clip_halfz; key->need_edgeflags = (llvm->draw->vs.edgeflag_output ? TRUE : FALSE); key->ucp_enable = llvm->draw->rasterizer->clip_plane_enable; key->has_gs = llvm->draw->gs.geometry_shader != NULL; key->num_outputs = draw_total_vs_outputs(llvm->draw); key->pad1 = 0; /* All variants of this shader will have the same value for * nr_samplers. Not yet trying to compact away holes in the * sampler array. */ key->nr_samplers = llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_SAMPLER] + 1; if (llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_SAMPLER_VIEW] != -1) { key->nr_sampler_views = llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_SAMPLER_VIEW] + 1; } else { key->nr_sampler_views = key->nr_samplers; } draw_sampler = draw_llvm_variant_key_samplers(key); memcpy(key->vertex_element, llvm->draw->pt.vertex_element, sizeof(struct pipe_vertex_element) * key->nr_vertex_elements); memset(draw_sampler, 0, MAX2(key->nr_samplers, key->nr_sampler_views) * sizeof *draw_sampler); for (i = 0 ; i < key->nr_samplers; i++) { lp_sampler_static_sampler_state(&draw_sampler[i].sampler_state, llvm->draw->samplers[PIPE_SHADER_VERTEX][i]); } for (i = 0 ; i < key->nr_sampler_views; i++) { lp_sampler_static_texture_state(&draw_sampler[i].texture_state, llvm->draw->sampler_views[PIPE_SHADER_VERTEX][i]); } return key; } void draw_llvm_dump_variant_key(struct draw_llvm_variant_key *key) { unsigned i; struct draw_sampler_static_state *sampler = draw_llvm_variant_key_samplers(key); debug_printf("clamp_vertex_color = %u\n", key->clamp_vertex_color); debug_printf("clip_xy = %u\n", key->clip_xy); debug_printf("clip_z = %u\n", key->clip_z); debug_printf("clip_user = %u\n", key->clip_user); debug_printf("bypass_viewport = %u\n", key->bypass_viewport); debug_printf("clip_halfz = %u\n", key->clip_halfz); debug_printf("need_edgeflags = %u\n", key->need_edgeflags); debug_printf("has_gs = %u\n", key->has_gs); debug_printf("ucp_enable = %u\n", key->ucp_enable); for (i = 0 ; i < key->nr_vertex_elements; i++) { debug_printf("vertex_element[%i].src_offset = %u\n", i, key->vertex_element[i].src_offset); debug_printf("vertex_element[%i].instance_divisor = %u\n", i, key->vertex_element[i].instance_divisor); debug_printf("vertex_element[%i].vertex_buffer_index = %u\n", i, key->vertex_element[i].vertex_buffer_index); debug_printf("vertex_element[%i].src_format = %s\n", i, util_format_name(key->vertex_element[i].src_format)); } for (i = 0 ; i < key->nr_sampler_views; i++) { debug_printf("sampler[%i].src_format = %s\n", i, util_format_name(sampler[i].texture_state.format)); } } void draw_llvm_set_mapped_texture(struct draw_context *draw, unsigned shader_stage, unsigned sview_idx, uint32_t width, uint32_t height, uint32_t depth, uint32_t first_level, uint32_t last_level, const void *base_ptr, uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS], uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS], uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS]) { unsigned j; struct draw_jit_texture *jit_tex; assert(shader_stage == PIPE_SHADER_VERTEX || shader_stage == PIPE_SHADER_GEOMETRY); if (shader_stage == PIPE_SHADER_VERTEX) { assert(sview_idx < Elements(draw->llvm->jit_context.textures)); jit_tex = &draw->llvm->jit_context.textures[sview_idx]; } else if (shader_stage == PIPE_SHADER_GEOMETRY) { assert(sview_idx < Elements(draw->llvm->gs_jit_context.textures)); jit_tex = &draw->llvm->gs_jit_context.textures[sview_idx]; } else { assert(0); return; } jit_tex->width = width; jit_tex->height = height; jit_tex->depth = depth; jit_tex->first_level = first_level; jit_tex->last_level = last_level; jit_tex->base = base_ptr; for (j = first_level; j <= last_level; j++) { jit_tex->mip_offsets[j] = mip_offsets[j]; jit_tex->row_stride[j] = row_stride[j]; jit_tex->img_stride[j] = img_stride[j]; } } void draw_llvm_set_sampler_state(struct draw_context *draw, unsigned shader_type) { unsigned i; if (shader_type == PIPE_SHADER_VERTEX) { for (i = 0; i < draw->num_samplers[PIPE_SHADER_VERTEX]; i++) { struct draw_jit_sampler *jit_sam = &draw->llvm->jit_context.samplers[i]; if (draw->samplers[i]) { const struct pipe_sampler_state *s = draw->samplers[PIPE_SHADER_VERTEX][i]; jit_sam->min_lod = s->min_lod; jit_sam->max_lod = s->max_lod; jit_sam->lod_bias = s->lod_bias; COPY_4V(jit_sam->border_color, s->border_color.f); } } } else if (shader_type == PIPE_SHADER_GEOMETRY) { for (i = 0; i < draw->num_samplers[PIPE_SHADER_GEOMETRY]; i++) { struct draw_jit_sampler *jit_sam = &draw->llvm->gs_jit_context.samplers[i]; if (draw->samplers[i]) { const struct pipe_sampler_state *s = draw->samplers[PIPE_SHADER_GEOMETRY][i]; jit_sam->min_lod = s->min_lod; jit_sam->max_lod = s->max_lod; jit_sam->lod_bias = s->lod_bias; COPY_4V(jit_sam->border_color, s->border_color.f); } } } } void draw_llvm_destroy_variant(struct draw_llvm_variant *variant) { struct draw_llvm *llvm = variant->llvm; gallivm_destroy(variant->gallivm); remove_from_list(&variant->list_item_local); variant->shader->variants_cached--; remove_from_list(&variant->list_item_global); llvm->nr_variants--; FREE(variant); } /** * Create LLVM types for various structures. */ static void create_gs_jit_types(struct draw_gs_llvm_variant *var) { struct gallivm_state *gallivm = var->gallivm; LLVMTypeRef texture_type, sampler_type, context_type; texture_type = create_jit_texture_type(gallivm, "texture"); sampler_type = create_jit_sampler_type(gallivm, "sampler"); context_type = create_gs_jit_context_type(gallivm, var->shader->base.vector_length, texture_type, sampler_type, "draw_gs_jit_context"); var->context_ptr_type = LLVMPointerType(context_type, 0); var->input_array_type = create_gs_jit_input_type(gallivm); } static LLVMTypeRef get_gs_context_ptr_type(struct draw_gs_llvm_variant *variant) { if (!variant->context_ptr_type) create_gs_jit_types(variant); return variant->context_ptr_type; } static LLVMValueRef generate_mask_value(struct draw_gs_llvm_variant *variant, struct lp_type gs_type) { struct gallivm_state *gallivm = variant->gallivm; LLVMBuilderRef builder = gallivm->builder; struct lp_type mask_type = lp_int_type(gs_type); LLVMValueRef num_prims; LLVMValueRef mask_val = lp_build_const_vec(gallivm, mask_type, 0); unsigned i; num_prims = lp_build_broadcast(gallivm, lp_build_vec_type(gallivm, mask_type), variant->num_prims); for (i = 0; i <= gs_type.length; i++) { LLVMValueRef idx = lp_build_const_int32(gallivm, i); mask_val = LLVMBuildInsertElement(builder, mask_val, idx, idx, ""); } mask_val = lp_build_compare(gallivm, mask_type, PIPE_FUNC_GREATER, num_prims, mask_val); return mask_val; } static void draw_gs_llvm_generate(struct draw_llvm *llvm, struct draw_gs_llvm_variant *variant) { struct gallivm_state *gallivm = variant->gallivm; LLVMContextRef context = gallivm->context; LLVMTypeRef int32_type = LLVMInt32TypeInContext(context); LLVMTypeRef arg_types[6]; LLVMTypeRef func_type; LLVMValueRef variant_func; LLVMValueRef context_ptr; LLVMValueRef prim_id_ptr; LLVMBasicBlockRef block; LLVMBuilderRef builder; LLVMValueRef io_ptr, input_array, num_prims, mask_val; struct lp_build_sampler_soa *sampler = 0; struct lp_build_context bld; struct lp_bld_tgsi_system_values system_values; char func_name[64]; struct lp_type gs_type; unsigned i; struct draw_gs_llvm_iface gs_iface; const struct tgsi_token *tokens = variant->shader->base.state.tokens; LLVMValueRef consts_ptr, num_consts_ptr; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS]; struct lp_build_mask_context mask; const struct tgsi_shader_info *gs_info = &variant->shader->base.info; unsigned vector_length = variant->shader->base.vector_length; memset(&system_values, 0, sizeof(system_values)); util_snprintf(func_name, sizeof(func_name), "draw_llvm_gs_variant%u", variant->shader->variants_cached); assert(variant->vertex_header_ptr_type); arg_types[0] = get_gs_context_ptr_type(variant); /* context */ arg_types[1] = variant->input_array_type; /* input */ arg_types[2] = variant->vertex_header_ptr_type; /* vertex_header */ arg_types[3] = int32_type; /* num_prims */ arg_types[4] = int32_type; /* instance_id */ arg_types[5] = LLVMPointerType( LLVMVectorType(int32_type, vector_length), 0); /* prim_id_ptr */ func_type = LLVMFunctionType(int32_type, arg_types, Elements(arg_types), 0); variant_func = LLVMAddFunction(gallivm->module, func_name, func_type); variant->function = variant_func; LLVMSetFunctionCallConv(variant_func, LLVMCCallConv); for (i = 0; i < Elements(arg_types); ++i) if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) LLVMAddAttribute(LLVMGetParam(variant_func, i), LLVMNoAliasAttribute); context_ptr = LLVMGetParam(variant_func, 0); input_array = LLVMGetParam(variant_func, 1); io_ptr = LLVMGetParam(variant_func, 2); num_prims = LLVMGetParam(variant_func, 3); system_values.instance_id = LLVMGetParam(variant_func, 4); prim_id_ptr = LLVMGetParam(variant_func, 5); lp_build_name(context_ptr, "context"); lp_build_name(input_array, "input"); lp_build_name(io_ptr, "io"); lp_build_name(num_prims, "num_prims"); lp_build_name(system_values.instance_id, "instance_id"); lp_build_name(prim_id_ptr, "prim_id_ptr"); variant->context_ptr = context_ptr; variant->io_ptr = io_ptr; variant->num_prims = num_prims; gs_iface.base.fetch_input = draw_gs_llvm_fetch_input; gs_iface.base.emit_vertex = draw_gs_llvm_emit_vertex; gs_iface.base.end_primitive = draw_gs_llvm_end_primitive; gs_iface.base.gs_epilogue = draw_gs_llvm_epilogue; gs_iface.input = input_array; gs_iface.variant = variant; /* * Function body */ block = LLVMAppendBasicBlockInContext(gallivm->context, variant_func, "entry"); builder = gallivm->builder; LLVMPositionBuilderAtEnd(builder, block); lp_build_context_init(&bld, gallivm, lp_type_int(32)); memset(&gs_type, 0, sizeof gs_type); gs_type.floating = TRUE; /* floating point values */ gs_type.sign = TRUE; /* values are signed */ gs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ gs_type.width = 32; /* 32-bit float */ gs_type.length = vector_length; consts_ptr = draw_gs_jit_context_constants(variant->gallivm, context_ptr); num_consts_ptr = draw_gs_jit_context_num_constants(variant->gallivm, context_ptr); /* code generated texture sampling */ sampler = draw_llvm_sampler_soa_create(variant->key.samplers, context_ptr); mask_val = generate_mask_value(variant, gs_type); lp_build_mask_begin(&mask, gallivm, gs_type, mask_val); if (gs_info->uses_primid) { system_values.prim_id = LLVMBuildLoad(builder, prim_id_ptr, "prim_id"); } if (gallivm_debug & (GALLIVM_DEBUG_TGSI | GALLIVM_DEBUG_IR)) { tgsi_dump(tokens, 0); draw_gs_llvm_dump_variant_key(&variant->key); } lp_build_tgsi_soa(variant->gallivm, tokens, gs_type, &mask, consts_ptr, num_consts_ptr, &system_values, NULL, outputs, sampler, &llvm->draw->gs.geometry_shader->info, (const struct lp_build_tgsi_gs_iface *)&gs_iface); sampler->destroy(sampler); lp_build_mask_end(&mask); LLVMBuildRet(builder, lp_build_zero(gallivm, lp_type_uint(32))); gallivm_verify_function(gallivm, variant_func); } struct draw_gs_llvm_variant * draw_gs_llvm_create_variant(struct draw_llvm *llvm, unsigned num_outputs, const struct draw_gs_llvm_variant_key *key) { struct draw_gs_llvm_variant *variant; struct llvm_geometry_shader *shader = llvm_geometry_shader(llvm->draw->gs.geometry_shader); LLVMTypeRef vertex_header; char module_name[64]; variant = MALLOC(sizeof *variant + shader->variant_key_size - sizeof variant->key); if (variant == NULL) return NULL; variant->llvm = llvm; variant->shader = shader; util_snprintf(module_name, sizeof(module_name), "draw_llvm_gs_variant%u", variant->shader->variants_cached); variant->gallivm = gallivm_create(module_name); create_gs_jit_types(variant); memcpy(&variant->key, key, shader->variant_key_size); vertex_header = create_jit_vertex_header(variant->gallivm, num_outputs); variant->vertex_header_ptr_type = LLVMPointerType(vertex_header, 0); draw_gs_llvm_generate(llvm, variant); gallivm_compile_module(variant->gallivm); variant->jit_func = (draw_gs_jit_func) gallivm_jit_function(variant->gallivm, variant->function); gallivm_free_ir(variant->gallivm); variant->list_item_global.base = variant; variant->list_item_local.base = variant; /*variant->no = */shader->variants_created++; variant->list_item_global.base = variant; return variant; } void draw_gs_llvm_destroy_variant(struct draw_gs_llvm_variant *variant) { struct draw_llvm *llvm = variant->llvm; gallivm_destroy(variant->gallivm); remove_from_list(&variant->list_item_local); variant->shader->variants_cached--; remove_from_list(&variant->list_item_global); llvm->nr_gs_variants--; FREE(variant); } struct draw_gs_llvm_variant_key * draw_gs_llvm_make_variant_key(struct draw_llvm *llvm, char *store) { unsigned i; struct draw_gs_llvm_variant_key *key; struct draw_sampler_static_state *draw_sampler; key = (struct draw_gs_llvm_variant_key *)store; key->num_outputs = draw_total_gs_outputs(llvm->draw); /* All variants of this shader will have the same value for * nr_samplers. Not yet trying to compact away holes in the * sampler array. */ key->nr_samplers = llvm->draw->gs.geometry_shader->info.file_max[TGSI_FILE_SAMPLER] + 1; if (llvm->draw->gs.geometry_shader->info.file_max[TGSI_FILE_SAMPLER_VIEW] != -1) { key->nr_sampler_views = llvm->draw->gs.geometry_shader->info.file_max[TGSI_FILE_SAMPLER_VIEW] + 1; } else { key->nr_sampler_views = key->nr_samplers; } draw_sampler = key->samplers; memset(draw_sampler, 0, MAX2(key->nr_samplers, key->nr_sampler_views) * sizeof *draw_sampler); for (i = 0 ; i < key->nr_samplers; i++) { lp_sampler_static_sampler_state(&draw_sampler[i].sampler_state, llvm->draw->samplers[PIPE_SHADER_GEOMETRY][i]); } for (i = 0 ; i < key->nr_sampler_views; i++) { lp_sampler_static_texture_state(&draw_sampler[i].texture_state, llvm->draw->sampler_views[PIPE_SHADER_GEOMETRY][i]); } return key; } void draw_gs_llvm_dump_variant_key(struct draw_gs_llvm_variant_key *key) { unsigned i; struct draw_sampler_static_state *sampler = key->samplers; for (i = 0 ; i < key->nr_sampler_views; i++) { debug_printf("sampler[%i].src_format = %s\n", i, util_format_name(sampler[i].texture_state.format)); } }