/************************************************************************** * * 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 "gallivm/lp_bld_arit.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 "tgsi/tgsi_exec.h" #include "tgsi/tgsi_dump.h" #include "util/u_cpu_detect.h" #include "util/u_pointer.h" #include "util/u_string.h" #include #define DEBUG_STORE 0 /* generates the draw jit function */ 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); static void init_globals(struct draw_llvm *llvm) { LLVMTypeRef texture_type; /* struct draw_jit_texture */ { LLVMTypeRef elem_types[DRAW_JIT_TEXTURE_NUM_FIELDS]; elem_types[DRAW_JIT_TEXTURE_WIDTH] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_HEIGHT] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_DEPTH] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_ROW_STRIDE] = LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS); elem_types[DRAW_JIT_TEXTURE_IMG_STRIDE] = LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS); elem_types[DRAW_JIT_TEXTURE_DATA] = LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0), DRAW_MAX_TEXTURE_LEVELS); elem_types[DRAW_JIT_TEXTURE_MIN_LOD] = LLVMFloatType(); elem_types[DRAW_JIT_TEXTURE_MAX_LOD] = LLVMFloatType(); elem_types[DRAW_JIT_TEXTURE_LOD_BIAS] = LLVMFloatType(); elem_types[DRAW_JIT_TEXTURE_BORDER_COLOR] = LLVMArrayType(LLVMFloatType(), 4); texture_type = LLVMStructType(elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, width, llvm->target, texture_type, DRAW_JIT_TEXTURE_WIDTH); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, height, llvm->target, texture_type, DRAW_JIT_TEXTURE_HEIGHT); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, depth, llvm->target, texture_type, DRAW_JIT_TEXTURE_DEPTH); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, last_level, llvm->target, texture_type, DRAW_JIT_TEXTURE_LAST_LEVEL); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, row_stride, llvm->target, texture_type, DRAW_JIT_TEXTURE_ROW_STRIDE); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, img_stride, llvm->target, texture_type, DRAW_JIT_TEXTURE_IMG_STRIDE); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, data, llvm->target, texture_type, DRAW_JIT_TEXTURE_DATA); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, min_lod, llvm->target, texture_type, DRAW_JIT_TEXTURE_MIN_LOD); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, max_lod, llvm->target, texture_type, DRAW_JIT_TEXTURE_MAX_LOD); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, lod_bias, llvm->target, texture_type, DRAW_JIT_TEXTURE_LOD_BIAS); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, border_color, llvm->target, texture_type, DRAW_JIT_TEXTURE_BORDER_COLOR); LP_CHECK_STRUCT_SIZE(struct draw_jit_texture, llvm->target, texture_type); LLVMAddTypeName(llvm->module, "texture", texture_type); } /* struct draw_jit_context */ { LLVMTypeRef elem_types[3]; LLVMTypeRef context_type; elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ elem_types[1] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ elem_types[2] = LLVMArrayType(texture_type, PIPE_MAX_VERTEX_SAMPLERS); /* textures */ context_type = LLVMStructType(elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, vs_constants, llvm->target, context_type, 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, gs_constants, llvm->target, context_type, 1); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures, llvm->target, context_type, DRAW_JIT_CTX_TEXTURES); LP_CHECK_STRUCT_SIZE(struct draw_jit_context, llvm->target, context_type); LLVMAddTypeName(llvm->module, "draw_jit_context", context_type); llvm->context_ptr_type = LLVMPointerType(context_type, 0); } { LLVMTypeRef buffer_ptr = LLVMPointerType(LLVMIntType(8), 0); llvm->buffer_ptr_type = LLVMPointerType(buffer_ptr, 0); } /* struct pipe_vertex_buffer */ { LLVMTypeRef elem_types[4]; LLVMTypeRef vb_type; elem_types[0] = LLVMInt32Type(); elem_types[1] = LLVMInt32Type(); elem_types[2] = LLVMInt32Type(); elem_types[3] = LLVMPointerType(LLVMOpaqueType(), 0); /* vs_constants */ vb_type = LLVMStructType(elem_types, Elements(elem_types), 0); LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, stride, llvm->target, vb_type, 0); LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, buffer_offset, llvm->target, vb_type, 2); LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer, llvm->target, vb_type); LLVMAddTypeName(llvm->module, "pipe_vertex_buffer", vb_type); llvm->vb_ptr_type = LLVMPointerType(vb_type, 0); } } static LLVMTypeRef create_vertex_header(struct draw_llvm *llvm, int data_elems) { /* struct vertex_header */ LLVMTypeRef elem_types[3]; LLVMTypeRef vertex_header; char struct_name[24]; util_snprintf(struct_name, 23, "vertex_header%d", data_elems); elem_types[0] = LLVMIntType(32); elem_types[1] = LLVMArrayType(LLVMFloatType(), 4); elem_types[2] = LLVMArrayType(elem_types[1], data_elems); vertex_header = LLVMStructType(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, llvm->target, vertex_header, DRAW_JIT_VERTEX_CLIPMASK); LP_CHECK_MEMBER_OFFSET(struct vertex_header, edgeflag, llvm->target, vertex_header, DRAW_JIT_VERTEX_EDGEFLAG); LP_CHECK_MEMBER_OFFSET(struct vertex_header, pad, llvm->target, vertex_header, DRAW_JIT_VERTEX_PAD); LP_CHECK_MEMBER_OFFSET(struct vertex_header, vertex_id, llvm->target, vertex_header, DRAW_JIT_VERTEX_VERTEX_ID); */ LP_CHECK_MEMBER_OFFSET(struct vertex_header, clip, llvm->target, vertex_header, DRAW_JIT_VERTEX_CLIP); LP_CHECK_MEMBER_OFFSET(struct vertex_header, data, llvm->target, vertex_header, DRAW_JIT_VERTEX_DATA); LLVMAddTypeName(llvm->module, struct_name, vertex_header); return LLVMPointerType(vertex_header, 0); } struct draw_llvm * draw_llvm_create(struct draw_context *draw) { struct draw_llvm *llvm; llvm = CALLOC_STRUCT( draw_llvm ); if (!llvm) return NULL; llvm->draw = draw; llvm->engine = draw->engine; debug_assert(llvm->engine); llvm->module = LLVMModuleCreateWithName("draw_llvm"); llvm->provider = LLVMCreateModuleProviderForExistingModule(llvm->module); LLVMAddModuleProvider(llvm->engine, llvm->provider); llvm->target = LLVMGetExecutionEngineTargetData(llvm->engine); llvm->pass = LLVMCreateFunctionPassManager(llvm->provider); LLVMAddTargetData(llvm->target, llvm->pass); if ((gallivm_debug & GALLIVM_DEBUG_NO_OPT) == 0) { /* These are the passes currently listed in llvm-c/Transforms/Scalar.h, * but there are more on SVN. */ /* TODO: Add more passes */ LLVMAddCFGSimplificationPass(llvm->pass); if (HAVE_LLVM >= 0x207 && sizeof(void*) == 4) { /* For LLVM >= 2.7 and 32-bit build, use this order of passes to * avoid generating bad code. * Test with piglit glsl-vs-sqrt-zero test. */ LLVMAddConstantPropagationPass(llvm->pass); LLVMAddPromoteMemoryToRegisterPass(llvm->pass); } else { LLVMAddPromoteMemoryToRegisterPass(llvm->pass); LLVMAddConstantPropagationPass(llvm->pass); } if(util_cpu_caps.has_sse4_1) { /* FIXME: There is a bug in this pass, whereby the combination of fptosi * and sitofp (necessary for trunc/floor/ceil/round implementation) * somehow becomes invalid code. */ LLVMAddInstructionCombiningPass(llvm->pass); } LLVMAddGVNPass(llvm->pass); } else { /* We need at least this pass to prevent the backends to fail in * unexpected ways. */ LLVMAddPromoteMemoryToRegisterPass(llvm->pass); } init_globals(llvm); if (gallivm_debug & GALLIVM_DEBUG_IR) { LLVMDumpModule(llvm->module); } llvm->nr_variants = 0; make_empty_list(&llvm->vs_variants_list); return llvm; } void draw_llvm_destroy(struct draw_llvm *llvm) { LLVMDisposePassManager(llvm->pass); FREE(llvm); } 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); variant = MALLOC(sizeof *variant + shader->variant_key_size - sizeof variant->key); if (variant == NULL) return NULL; variant->llvm = llvm; memcpy(&variant->key, key, shader->variant_key_size); llvm->vertex_header_ptr_type = create_vertex_header(llvm, num_inputs); draw_llvm_generate(llvm, variant); draw_llvm_generate_elts(llvm, variant); variant->shader = shader; 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 *llvm, LLVMBuilderRef builder, LLVMValueRef (*outputs)[NUM_CHANNELS], const LLVMValueRef (*inputs)[NUM_CHANNELS], LLVMValueRef context_ptr, struct lp_build_sampler_soa *draw_sampler) { const struct tgsi_token *tokens = llvm->draw->vs.vertex_shader->state.tokens; struct lp_type vs_type; LLVMValueRef consts_ptr = draw_jit_context_vs_constants(builder, context_ptr); struct lp_build_sampler_soa *sampler = 0; 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 = 4; /* 4 elements per vector */ #if 0 num_vs = 4; /* number of vertices per block */ #endif if (gallivm_debug & GALLIVM_DEBUG_IR) { tgsi_dump(tokens, 0); } if (llvm->draw->num_sampler_views && llvm->draw->num_samplers) sampler = draw_sampler; lp_build_tgsi_soa(builder, tokens, vs_type, NULL /*struct lp_build_mask_context *mask*/, consts_ptr, NULL /*pos*/, inputs, outputs, sampler, &llvm->draw->vs.vertex_shader->info); } #if DEBUG_STORE static void print_vectorf(LLVMBuilderRef builder, LLVMValueRef vec) { LLVMValueRef val[4]; val[0] = LLVMBuildExtractElement(builder, vec, LLVMConstInt(LLVMInt32Type(), 0, 0), ""); val[1] = LLVMBuildExtractElement(builder, vec, LLVMConstInt(LLVMInt32Type(), 1, 0), ""); val[2] = LLVMBuildExtractElement(builder, vec, LLVMConstInt(LLVMInt32Type(), 2, 0), ""); val[3] = LLVMBuildExtractElement(builder, vec, LLVMConstInt(LLVMInt32Type(), 3, 0), ""); lp_build_printf(builder, "vector = [%f, %f, %f, %f]\n", val[0], val[1], val[2], val[3]); } #endif static void generate_fetch(LLVMBuilderRef builder, LLVMValueRef vbuffers_ptr, LLVMValueRef *res, struct pipe_vertex_element *velem, LLVMValueRef vbuf, LLVMValueRef index, LLVMValueRef instance_id) { LLVMValueRef indices = LLVMConstInt(LLVMInt64Type(), velem->vertex_buffer_index, 0); LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr, &indices, 1, ""); LLVMValueRef vb_stride = draw_jit_vbuffer_stride(builder, vbuf); LLVMValueRef vb_max_index = draw_jit_vbuffer_max_index(builder, vbuf); LLVMValueRef vb_buffer_offset = draw_jit_vbuffer_offset(builder, vbuf); LLVMValueRef cond; LLVMValueRef stride; if (velem->instance_divisor) { /* array index = instance_id / instance_divisor */ index = LLVMBuildUDiv(builder, instance_id, LLVMConstInt(LLVMInt32Type(), velem->instance_divisor, 0), "instance_divisor"); } /* limit index to min(inex, vb_max_index) */ cond = LLVMBuildICmp(builder, LLVMIntULE, index, vb_max_index, ""); index = LLVMBuildSelect(builder, cond, index, vb_max_index, ""); stride = LLVMBuildMul(builder, vb_stride, index, ""); vbuffer_ptr = LLVMBuildLoad(builder, vbuffer_ptr, "vbuffer"); stride = LLVMBuildAdd(builder, stride, vb_buffer_offset, ""); stride = LLVMBuildAdd(builder, stride, LLVMConstInt(LLVMInt32Type(), velem->src_offset, 0), ""); /*lp_build_printf(builder, "vbuf index = %d, stride is %d\n", indices, stride);*/ vbuffer_ptr = LLVMBuildGEP(builder, vbuffer_ptr, &stride, 1, ""); *res = draw_llvm_translate_from(builder, vbuffer_ptr, velem->src_format); } static LLVMValueRef aos_to_soa(LLVMBuilderRef builder, LLVMValueRef val0, LLVMValueRef val1, LLVMValueRef val2, LLVMValueRef val3, LLVMValueRef channel) { LLVMValueRef ex, res; ex = LLVMBuildExtractElement(builder, val0, channel, ""); res = LLVMBuildInsertElement(builder, LLVMConstNull(LLVMTypeOf(val0)), ex, LLVMConstInt(LLVMInt32Type(), 0, 0), ""); ex = LLVMBuildExtractElement(builder, val1, channel, ""); res = LLVMBuildInsertElement(builder, res, ex, LLVMConstInt(LLVMInt32Type(), 1, 0), ""); ex = LLVMBuildExtractElement(builder, val2, channel, ""); res = LLVMBuildInsertElement(builder, res, ex, LLVMConstInt(LLVMInt32Type(), 2, 0), ""); ex = LLVMBuildExtractElement(builder, val3, channel, ""); res = LLVMBuildInsertElement(builder, res, ex, LLVMConstInt(LLVMInt32Type(), 3, 0), ""); return res; } static void soa_to_aos(LLVMBuilderRef builder, LLVMValueRef soa[NUM_CHANNELS], LLVMValueRef aos[NUM_CHANNELS]) { LLVMValueRef comp; int i = 0; debug_assert(NUM_CHANNELS == 4); aos[0] = LLVMConstNull(LLVMTypeOf(soa[0])); aos[1] = aos[2] = aos[3] = aos[0]; for (i = 0; i < NUM_CHANNELS; ++i) { LLVMValueRef channel = LLVMConstInt(LLVMInt32Type(), i, 0); comp = LLVMBuildExtractElement(builder, soa[i], LLVMConstInt(LLVMInt32Type(), 0, 0), ""); aos[0] = LLVMBuildInsertElement(builder, aos[0], comp, channel, ""); comp = LLVMBuildExtractElement(builder, soa[i], LLVMConstInt(LLVMInt32Type(), 1, 0), ""); aos[1] = LLVMBuildInsertElement(builder, aos[1], comp, channel, ""); comp = LLVMBuildExtractElement(builder, soa[i], LLVMConstInt(LLVMInt32Type(), 2, 0), ""); aos[2] = LLVMBuildInsertElement(builder, aos[2], comp, channel, ""); comp = LLVMBuildExtractElement(builder, soa[i], LLVMConstInt(LLVMInt32Type(), 3, 0), ""); aos[3] = LLVMBuildInsertElement(builder, aos[3], comp, channel, ""); } } static void convert_to_soa(LLVMBuilderRef builder, LLVMValueRef (*aos)[NUM_CHANNELS], LLVMValueRef (*soa)[NUM_CHANNELS], int num_attribs) { int i; debug_assert(NUM_CHANNELS == 4); for (i = 0; i < num_attribs; ++i) { LLVMValueRef val0 = aos[i][0]; LLVMValueRef val1 = aos[i][1]; LLVMValueRef val2 = aos[i][2]; LLVMValueRef val3 = aos[i][3]; soa[i][0] = aos_to_soa(builder, val0, val1, val2, val3, LLVMConstInt(LLVMInt32Type(), 0, 0)); soa[i][1] = aos_to_soa(builder, val0, val1, val2, val3, LLVMConstInt(LLVMInt32Type(), 1, 0)); soa[i][2] = aos_to_soa(builder, val0, val1, val2, val3, LLVMConstInt(LLVMInt32Type(), 2, 0)); soa[i][3] = aos_to_soa(builder, val0, val1, val2, val3, LLVMConstInt(LLVMInt32Type(), 3, 0)); } } static void store_aos(LLVMBuilderRef builder, LLVMValueRef io_ptr, LLVMValueRef index, LLVMValueRef value, LLVMValueRef clipmask) { LLVMValueRef id_ptr = draw_jit_header_id(builder, io_ptr); LLVMValueRef data_ptr = draw_jit_header_data(builder, io_ptr); LLVMValueRef indices[3]; LLVMValueRef val, shift; indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); indices[1] = index; indices[2] = LLVMConstInt(LLVMInt32Type(), 0, 0); /* initialize vertex id:16 = 0xffff, pad:3 = 0, edgeflag:1 = 1 */ val = LLVMConstInt(LLVMInt32Type(), 0xffff1, 0); shift = LLVMConstInt(LLVMInt32Type(), 12, 0); val = LLVMBuildShl(builder, val, shift, ""); /* add clipmask:12 */ val = LLVMBuildOr(builder, val, clipmask, ""); /* store vertex header */ LLVMBuildStore(builder, val, id_ptr); #if DEBUG_STORE lp_build_printf(builder, " ---- %p storing attribute %d (io = %p)\n", data_ptr, index, io_ptr); #endif #if 0 /*lp_build_printf(builder, " ---- %p storing at %d (%p) ", io_ptr, index, data_ptr); print_vectorf(builder, value);*/ data_ptr = LLVMBuildBitCast(builder, data_ptr, LLVMPointerType(LLVMArrayType(LLVMVectorType(LLVMFloatType(), 4), 0), 0), "datavec"); data_ptr = LLVMBuildGEP(builder, data_ptr, indices, 2, ""); LLVMBuildStore(builder, value, data_ptr); #else { LLVMValueRef x, y, z, w; LLVMValueRef idx0, idx1, idx2, idx3; LLVMValueRef gep0, gep1, gep2, gep3; data_ptr = LLVMBuildGEP(builder, data_ptr, indices, 3, ""); idx0 = LLVMConstInt(LLVMInt32Type(), 0, 0); idx1 = LLVMConstInt(LLVMInt32Type(), 1, 0); idx2 = LLVMConstInt(LLVMInt32Type(), 2, 0); idx3 = LLVMConstInt(LLVMInt32Type(), 3, 0); x = LLVMBuildExtractElement(builder, value, idx0, ""); y = LLVMBuildExtractElement(builder, value, idx1, ""); z = LLVMBuildExtractElement(builder, value, idx2, ""); w = LLVMBuildExtractElement(builder, value, idx3, ""); gep0 = LLVMBuildGEP(builder, data_ptr, &idx0, 1, ""); gep1 = LLVMBuildGEP(builder, data_ptr, &idx1, 1, ""); gep2 = LLVMBuildGEP(builder, data_ptr, &idx2, 1, ""); gep3 = LLVMBuildGEP(builder, data_ptr, &idx3, 1, ""); /*lp_build_printf(builder, "##### x = %f (%p), y = %f (%p), z = %f (%p), w = %f (%p)\n", x, gep0, y, gep1, z, gep2, w, gep3);*/ LLVMBuildStore(builder, x, gep0); LLVMBuildStore(builder, y, gep1); LLVMBuildStore(builder, z, gep2); LLVMBuildStore(builder, w, gep3); } #endif } static void store_aos_array(LLVMBuilderRef builder, LLVMValueRef io_ptr, LLVMValueRef aos[NUM_CHANNELS], int attrib, int num_outputs, LLVMValueRef clipmask) { LLVMValueRef attr_index = LLVMConstInt(LLVMInt32Type(), attrib, 0); LLVMValueRef ind0 = LLVMConstInt(LLVMInt32Type(), 0, 0); LLVMValueRef ind1 = LLVMConstInt(LLVMInt32Type(), 1, 0); LLVMValueRef ind2 = LLVMConstInt(LLVMInt32Type(), 2, 0); LLVMValueRef ind3 = LLVMConstInt(LLVMInt32Type(), 3, 0); LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr; LLVMValueRef clipmask0, clipmask1, clipmask2, clipmask3; debug_assert(NUM_CHANNELS == 4); io0_ptr = LLVMBuildGEP(builder, io_ptr, &ind0, 1, ""); io1_ptr = LLVMBuildGEP(builder, io_ptr, &ind1, 1, ""); io2_ptr = LLVMBuildGEP(builder, io_ptr, &ind2, 1, ""); io3_ptr = LLVMBuildGEP(builder, io_ptr, &ind3, 1, ""); clipmask0 = LLVMBuildExtractElement(builder, clipmask, ind0, ""); clipmask1 = LLVMBuildExtractElement(builder, clipmask, ind1, ""); clipmask2 = LLVMBuildExtractElement(builder, clipmask, ind2, ""); clipmask3 = LLVMBuildExtractElement(builder, clipmask, ind3, ""); #if DEBUG_STORE lp_build_printf(builder, "io = %p, indexes[%d, %d, %d, %d]\n, clipmask0 = %x, clipmask1 = %x, clipmask2 = %x, clipmask3 = %x\n", io_ptr, ind0, ind1, ind2, ind3, clipmask0, clipmask1, clipmask2, clipmask3); #endif /* store for each of the 4 vertices */ store_aos(builder, io0_ptr, attr_index, aos[0], clipmask0); store_aos(builder, io1_ptr, attr_index, aos[1], clipmask1); store_aos(builder, io2_ptr, attr_index, aos[2], clipmask2); store_aos(builder, io3_ptr, attr_index, aos[3], clipmask3); } static void convert_to_aos(LLVMBuilderRef builder, LLVMValueRef io, LLVMValueRef (*outputs)[NUM_CHANNELS], LLVMValueRef clipmask, int num_outputs, int max_vertices) { unsigned chan, attrib; #if DEBUG_STORE lp_build_printf(builder, " # storing begin\n"); #endif for (attrib = 0; attrib < num_outputs; ++attrib) { LLVMValueRef soa[4]; LLVMValueRef aos[4]; for(chan = 0; chan < NUM_CHANNELS; ++chan) { if(outputs[attrib][chan]) { LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); lp_build_name(out, "output%u.%c", attrib, "xyzw"[chan]); /*lp_build_printf(builder, "output %d : %d ", LLVMConstInt(LLVMInt32Type(), attrib, 0), LLVMConstInt(LLVMInt32Type(), chan, 0)); print_vectorf(builder, out);*/ soa[chan] = out; } else soa[chan] = 0; } soa_to_aos(builder, soa, aos); store_aos_array(builder, io, aos, attrib, num_outputs, clipmask); } #if DEBUG_STORE lp_build_printf(builder, " # storing end\n"); #endif } /* * Stores original vertex positions in clip coordinates * There is probably a more efficient way to do this, 4 floats at once * rather than extracting each element one by one. */ static void store_clip(LLVMBuilderRef builder, LLVMValueRef io_ptr, LLVMValueRef (*outputs)[NUM_CHANNELS]) { LLVMValueRef out[4]; LLVMValueRef indices[2]; LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr; LLVMValueRef clip_ptr0, clip_ptr1, clip_ptr2, clip_ptr3; LLVMValueRef clip0_ptr, clip1_ptr, clip2_ptr, clip3_ptr; LLVMValueRef out0elem, out1elem, out2elem, out3elem; LLVMValueRef ind0 = LLVMConstInt(LLVMInt32Type(), 0, 0); LLVMValueRef ind1 = LLVMConstInt(LLVMInt32Type(), 1, 0); LLVMValueRef ind2 = LLVMConstInt(LLVMInt32Type(), 2, 0); LLVMValueRef ind3 = LLVMConstInt(LLVMInt32Type(), 3, 0); indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); indices[1] = LLVMConstInt(LLVMInt32Type(), 0, 0); out[0] = LLVMBuildLoad(builder, outputs[0][0], ""); /*x0 y0 z0 w0*/ out[1] = LLVMBuildLoad(builder, outputs[0][1], ""); /*x1 y1 z1 w1*/ out[2] = LLVMBuildLoad(builder, outputs[0][2], ""); /*x2 y2 z2 w2*/ out[3] = LLVMBuildLoad(builder, outputs[0][3], ""); /*x3 y3 z3 w3*/ io0_ptr = LLVMBuildGEP(builder, io_ptr, &ind0, 1, ""); io1_ptr = LLVMBuildGEP(builder, io_ptr, &ind1, 1, ""); io2_ptr = LLVMBuildGEP(builder, io_ptr, &ind2, 1, ""); io3_ptr = LLVMBuildGEP(builder, io_ptr, &ind3, 1, ""); clip_ptr0 = draw_jit_header_clip(builder, io0_ptr); clip_ptr1 = draw_jit_header_clip(builder, io1_ptr); clip_ptr2 = draw_jit_header_clip(builder, io2_ptr); clip_ptr3 = draw_jit_header_clip(builder, io3_ptr); for (int i = 0; i<4; i++){ clip0_ptr = LLVMBuildGEP(builder, clip_ptr0, indices, 2, ""); //x1 clip1_ptr = LLVMBuildGEP(builder, clip_ptr1, indices, 2, ""); //y1 clip2_ptr = LLVMBuildGEP(builder, clip_ptr2, indices, 2, ""); //z1 clip3_ptr = LLVMBuildGEP(builder, clip_ptr3, indices, 2, ""); //w1 out0elem = LLVMBuildExtractElement(builder, out[0], indices[1], ""); //x1 out1elem = LLVMBuildExtractElement(builder, out[1], indices[1], ""); //y1 out2elem = LLVMBuildExtractElement(builder, out[2], indices[1], ""); //z1 out3elem = LLVMBuildExtractElement(builder, out[3], indices[1], ""); //w1 LLVMBuildStore(builder, out0elem, clip0_ptr); LLVMBuildStore(builder, out1elem, clip1_ptr); LLVMBuildStore(builder, out2elem, clip2_ptr); LLVMBuildStore(builder, out3elem, clip3_ptr); indices[1]= LLVMBuildAdd(builder, indices[1], ind1, ""); } } /* * Transforms the outputs for viewport mapping */ static void generate_viewport(struct draw_llvm *llvm, LLVMBuilderRef builder, LLVMValueRef (*outputs)[NUM_CHANNELS]) { int i; const float *scaleA = llvm->draw->viewport.scale; const float *transA = llvm->draw->viewport.translate; struct lp_type f32_type = lp_type_float_vec(32); LLVMValueRef out3 = LLVMBuildLoad(builder, outputs[0][3], ""); /*w0 w1 w2 w3*/ LLVMValueRef const1 = lp_build_const_vec(f32_type, 1.0); /*1.0 1.0 1.0 1.0*/ /* for 1/w convention*/ out3 = LLVMBuildFDiv(builder, const1, out3, ""); /* Viewport Mapping */ for (i=0; i<4; i++){ LLVMValueRef out = LLVMBuildLoad(builder, outputs[0][i], ""); /*x0 x1 x2 x3*/ LLVMValueRef scale = lp_build_const_vec(f32_type, scaleA[i]); /*sx sx sx sx*/ LLVMValueRef trans = lp_build_const_vec(f32_type, transA[i]); /*tx tx tx tx*/ /* divide by w */ out = LLVMBuildMul(builder, out, out3, ""); /* mult by scale */ out = LLVMBuildMul(builder, out, scale, ""); /* add translation */ out = LLVMBuildAdd(builder, out, trans, ""); /* store transformed outputs */ LLVMBuildStore(builder, out, outputs[0][i]); } } /* * Returns clipmask as 4xi32 bitmask for the 4 vertices */ static LLVMValueRef generate_clipmask(LLVMBuilderRef builder, LLVMValueRef (*outputs)[NUM_CHANNELS]) { LLVMValueRef mask; /* stores the <4xi32> clipmasks */ LLVMValueRef test, temp; LLVMValueRef zero, shift; LLVMValueRef pos_x, pos_y, pos_z, pos_w; struct lp_type f32_type = lp_type_float_vec(32); zero = lp_build_const_vec(f32_type, 0); /* 0.0f 0.0f 0.0f 0.0f */ shift = lp_build_const_int_vec(lp_type_int_vec(32), 1); /* 1 1 1 1 */ /* Assuming position stored at output[0] */ pos_x = LLVMBuildLoad(builder, outputs[0][0], ""); /*x0 x1 x2 x3*/ pos_y = LLVMBuildLoad(builder, outputs[0][1], ""); /*y0 y1 y2 y3*/ pos_z = LLVMBuildLoad(builder, outputs[0][2], ""); /*z0 z1 z2 z3*/ pos_w = LLVMBuildLoad(builder, outputs[0][3], ""); /*w0 w1 w2 w3*/ /* Cliptest, for hardwired planes */ /* plane 1 */ test = lp_build_compare(builder, 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(builder, 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(builder, 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(builder, f32_type, PIPE_FUNC_GREATER, zero, test); temp = LLVMBuildShl(builder, temp, shift, ""); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); /* plane 5 */ test = LLVMBuildFAdd(builder, pos_z, pos_w, ""); test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, test); temp = LLVMBuildShl(builder, temp, shift, ""); test = LLVMBuildAnd(builder, test, temp, ""); mask = LLVMBuildOr(builder, mask, test, ""); /* plane 6 */ test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, pos_z, pos_w); temp = LLVMBuildShl(builder, temp, shift, ""); 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 void clipmask_bool(LLVMBuilderRef builder, LLVMValueRef clipmask, LLVMValueRef ret_ptr) { LLVMValueRef ret = LLVMBuildLoad(builder, ret_ptr, ""); LLVMValueRef temp; int i; LLVMDumpValue(clipmask); for (i=0; i<4; i++){ temp = LLVMBuildExtractElement(builder, clipmask, LLVMConstInt(LLVMInt32Type(), i, 0) , ""); ret = LLVMBuildOr(builder, ret, temp, ""); LLVMDumpValue(ret); } LLVMBuildStore(builder, ret, ret_ptr); LLVMDumpValue(ret_ptr); } static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) { LLVMTypeRef arg_types[8]; LLVMTypeRef func_type; LLVMValueRef context_ptr; LLVMBasicBlockRef block; LLVMBuilderRef builder; LLVMValueRef start, end, count, stride, step, io_itr; LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr; LLVMValueRef instance_id; struct draw_context *draw = llvm->draw; 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]; void *code; struct lp_build_sampler_soa *sampler = 0; LLVMValueRef ret, ret_ptr; arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ arg_types[2] = llvm->buffer_ptr_type; /* vbuffers */ arg_types[3] = LLVMInt32Type(); /* start */ arg_types[4] = LLVMInt32Type(); /* count */ arg_types[5] = LLVMInt32Type(); /* stride */ arg_types[6] = llvm->vb_ptr_type; /* pipe_vertex_buffer's */ arg_types[7] = LLVMInt32Type(); /* instance_id */ func_type = LLVMFunctionType(LLVMInt32Type(), arg_types, Elements(arg_types), 0); variant->function = LLVMAddFunction(llvm->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 = LLVMAppendBasicBlock(variant->function, "entry"); builder = LLVMCreateBuilder(); LLVMPositionBuilderAtEnd(builder, block); lp_build_context_init(&bld, builder, lp_type_int(32)); end = lp_build_add(&bld, start, count); step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); /* function will return non-zero i32 value if any clipped vertices */ ret_ptr = lp_build_alloca(builder, LLVMInt32Type(), ""); LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), ret_ptr); /* code generated texture sampling */ sampler = draw_llvm_sampler_soa_create( draw_llvm_variant_key_samplers(&variant->key), context_ptr); #if DEBUG_STORE lp_build_printf(builder, "start = %d, end = %d, step = %d\n", start, end, step); #endif lp_build_loop_begin(builder, start, &lp_loop); { 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, LLVMConstInt(LLVMInt32Type(), i, 0), ""); for (j = 0; j < draw->pt.nr_vertex_elements; ++j) { struct pipe_vertex_element *velem = &draw->pt.vertex_element[j]; LLVMValueRef vb_index = LLVMConstInt(LLVMInt32Type(), velem->vertex_buffer_index, 0); LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, &vb_index, 1, ""); generate_fetch(builder, vbuffers_ptr, &aos_attribs[j][i], velem, vb, true_index, instance_id); } } convert_to_soa(builder, aos_attribs, inputs, draw->pt.nr_vertex_elements); ptr_aos = (const LLVMValueRef (*)[NUM_CHANNELS]) inputs; generate_vs(llvm, builder, outputs, ptr_aos, context_ptr, sampler); /* store original positions in clip before further manipulation */ store_clip(builder, io, outputs); /* allocate clipmask, assign it integer type */ clipmask = generate_clipmask(builder, outputs); clipmask_bool(builder, clipmask, ret_ptr); /* do viewport mapping */ generate_viewport(llvm, builder, outputs); /* store clipmask in vertex header and positions in data */ convert_to_aos(builder, io, outputs, clipmask, draw->vs.vertex_shader->info.num_outputs, max_vertices); } lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop); sampler->destroy(sampler); #ifdef PIPE_ARCH_X86 /* Avoid corrupting the FPU stack on 32bit OSes. */ lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0); #endif ret = LLVMBuildLoad(builder, ret_ptr,""); LLVMBuildRet(builder, ret); LLVMDisposeBuilder(builder); /* * Translate the LLVM IR into machine code. */ #ifdef DEBUG if(LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) { lp_debug_dump_value(variant->function); assert(0); } #endif LLVMRunFunctionPassManager(llvm->pass, variant->function); if (gallivm_debug & GALLIVM_DEBUG_IR) { lp_debug_dump_value(variant->function); debug_printf("\n"); } code = LLVMGetPointerToGlobal(llvm->draw->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) { 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; struct draw_context *draw = llvm->draw; 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; arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ arg_types[2] = llvm->buffer_ptr_type; /* vbuffers */ arg_types[3] = LLVMPointerType(LLVMInt32Type(), 0); /* fetch_elts * */ arg_types[4] = LLVMInt32Type(); /* fetch_count */ arg_types[5] = LLVMInt32Type(); /* stride */ arg_types[6] = llvm->vb_ptr_type; /* pipe_vertex_buffer's */ arg_types[7] = LLVMInt32Type(); /* instance_id */ func_type = LLVMFunctionType(LLVMInt32Type(), arg_types, Elements(arg_types), 0); variant->function_elts = LLVMAddFunction(llvm->module, "draw_llvm_shader_elts", func_type); LLVMSetFunctionCallConv(variant->function_elts, LLVMCCallConv); for(i = 0; i < Elements(arg_types); ++i) if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) LLVMAddAttribute(LLVMGetParam(variant->function_elts, 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); 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"); /* * Function body */ block = LLVMAppendBasicBlock(variant->function_elts, "entry"); builder = LLVMCreateBuilder(); LLVMPositionBuilderAtEnd(builder, block); lp_build_context_init(&bld, builder, lp_type_int(32)); step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); /* 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, LLVMConstInt(LLVMInt32Type(), 1, 0), "fetch_max"); /* function returns non-zero i32 value if any clipped vertices */ ret_ptr = lp_build_alloca(builder, LLVMInt32Type(), ""); LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), ret_ptr); lp_build_loop_begin(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), &lp_loop); { 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 = lp_loop.counter; 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, LLVMConstInt(LLVMInt32Type(), i, 0), ""); LLVMValueRef fetch_ptr; /* 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"); for (j = 0; j < draw->pt.nr_vertex_elements; ++j) { struct pipe_vertex_element *velem = &draw->pt.vertex_element[j]; LLVMValueRef vb_index = LLVMConstInt(LLVMInt32Type(), velem->vertex_buffer_index, 0); LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, &vb_index, 1, ""); generate_fetch(builder, vbuffers_ptr, &aos_attribs[j][i], velem, vb, true_index, instance_id); } } convert_to_soa(builder, aos_attribs, inputs, draw->pt.nr_vertex_elements); ptr_aos = (const LLVMValueRef (*)[NUM_CHANNELS]) inputs; generate_vs(llvm, builder, outputs, ptr_aos, context_ptr, sampler); /* store original positions in clip before further manipulation */ store_clip(builder, io, outputs); /* allocate clipmask, assign it integer type */ clipmask = generate_clipmask(builder, outputs); clipmask_bool(builder, clipmask, ret_ptr); /* do viewport mapping */ generate_viewport(llvm, builder, outputs); /* store clipmask in vertex header, * original positions in clip * and transformed positions in data */ convert_to_aos(builder, io, outputs, clipmask, draw->vs.vertex_shader->info.num_outputs, max_vertices); } lp_build_loop_end_cond(builder, fetch_count, step, LLVMIntUGE, &lp_loop); sampler->destroy(sampler); #ifdef PIPE_ARCH_X86 /* Avoid corrupting the FPU stack on 32bit OSes. */ lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0); #endif ret = LLVMBuildLoad(builder, ret_ptr,""); LLVMBuildRet(builder, ret); LLVMDisposeBuilder(builder); /* * Translate the LLVM IR into machine code. */ #ifdef DEBUG if(LLVMVerifyFunction(variant->function_elts, LLVMPrintMessageAction)) { lp_debug_dump_value(variant->function_elts); assert(0); } #endif LLVMRunFunctionPassManager(llvm->pass, variant->function_elts); if (gallivm_debug & GALLIVM_DEBUG_IR) { lp_debug_dump_value(variant->function_elts); debug_printf("\n"); } code = LLVMGetPointerToGlobal(llvm->draw->engine, variant->function_elts); variant->jit_func_elts = (draw_jit_vert_func_elts)pointer_to_func(code); if (gallivm_debug & GALLIVM_DEBUG_ASM) { lp_disassemble(code); } lp_func_delete_body(variant->function_elts); } 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 lp_sampler_static_state *sampler; key = (struct draw_llvm_variant_key *)store; /* Presumably all variants of the shader should have the same * number of vertex elements - ie the number of shader inputs. */ key->nr_vertex_elements = llvm->draw->pt.nr_vertex_elements; /* 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; 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(sampler, 0, key->nr_samplers * sizeof *sampler); for (i = 0 ; i < key->nr_samplers; i++) { lp_sampler_static_state(&sampler[i], llvm->draw->sampler_views[i], llvm->draw->samplers[i]); } return key; } void draw_llvm_set_mapped_texture(struct draw_context *draw, unsigned sampler_idx, uint32_t width, uint32_t height, uint32_t depth, uint32_t last_level, uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], const void *data[DRAW_MAX_TEXTURE_LEVELS]) { unsigned j; struct draw_jit_texture *jit_tex; assert(sampler_idx < PIPE_MAX_VERTEX_SAMPLERS); jit_tex = &draw->llvm->jit_context.textures[sampler_idx]; jit_tex->width = width; jit_tex->height = height; jit_tex->depth = depth; jit_tex->last_level = last_level; for (j = 0; j <= last_level; j++) { jit_tex->data[j] = data[j]; jit_tex->row_stride[j] = row_stride[j]; jit_tex->img_stride[j] = img_stride[j]; } } void draw_llvm_destroy_variant(struct draw_llvm_variant *variant) { struct draw_llvm *llvm = variant->llvm; struct draw_context *draw = llvm->draw; if (variant->function_elts) { if (variant->function_elts) LLVMFreeMachineCodeForFunction(draw->engine, variant->function_elts); LLVMDeleteFunction(variant->function_elts); } if (variant->function) { if (variant->function) LLVMFreeMachineCodeForFunction(draw->engine, variant->function); LLVMDeleteFunction(variant->function); } remove_from_list(&variant->list_item_local); variant->shader->variants_cached--; remove_from_list(&variant->list_item_global); llvm->nr_variants--; FREE(variant); }