diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 229 |
1 files changed, 205 insertions, 24 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 9117c1303dc..19f96c37ab4 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -1,3 +1,30 @@ +/************************************************************************** + * + * 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" @@ -15,14 +42,13 @@ #include "tgsi/tgsi_dump.h" #include "util/u_cpu_detect.h" -#include "util/u_string.h" #include "util/u_pointer.h" +#include "util/u_string.h" #include <llvm-c/Transforms/Scalar.h> #define DEBUG_STORE 0 - /* generates the draw jit function */ static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var); @@ -36,12 +62,19 @@ init_globals(struct draw_llvm *llvm) /* struct draw_jit_texture */ { - LLVMTypeRef elem_types[4]; + 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_STRIDE] = LLVMInt32Type(); - elem_types[DRAW_JIT_TEXTURE_DATA] = LLVMPointerType(LLVMInt8Type(), 0); + 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); texture_type = LLVMStructType(elem_types, Elements(elem_types), 0); @@ -51,9 +84,18 @@ init_globals(struct draw_llvm *llvm) 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, stride, + 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_STRIDE); + 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); @@ -71,7 +113,8 @@ init_globals(struct draw_llvm *llvm) elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ elem_types[1] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ - elem_types[2] = LLVMArrayType(texture_type, PIPE_MAX_SAMPLERS); /* textures */ + elem_types[2] = LLVMArrayType(texture_type, + PIPE_MAX_VERTEX_SAMPLERS); /* textures */ context_type = LLVMStructType(elem_types, Elements(elem_types), 0); @@ -81,7 +124,7 @@ init_globals(struct draw_llvm *llvm) llvm->target, context_type, 1); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures, llvm->target, context_type, - DRAW_JIT_CONTEXT_TEXTURES_INDEX); + DRAW_JIT_CTX_TEXTURES); LP_CHECK_STRUCT_SIZE(struct draw_jit_context, llvm->target, context_type); @@ -195,9 +238,22 @@ draw_llvm_create(struct draw_context *draw) /* 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); - LLVMAddPromoteMemoryToRegisterPass(llvm->pass); - LLVMAddConstantPropagationPass(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) @@ -219,6 +275,9 @@ draw_llvm_create(struct draw_context *draw) LLVMDumpModule(llvm->module); } + llvm->nr_variants = 0; + make_empty_list(&llvm->vs_variants_list); + return llvm; } @@ -231,9 +290,13 @@ draw_llvm_destroy(struct draw_llvm *llvm) } struct draw_llvm_variant * -draw_llvm_prepare(struct draw_llvm *llvm, int num_inputs) +draw_llvm_create_variant(struct draw_llvm *llvm, int num_inputs) { struct draw_llvm_variant *variant = MALLOC(sizeof(struct draw_llvm_variant)); + struct llvm_vertex_shader *shader = + llvm_vertex_shader(llvm->draw->vs.vertex_shader); + + variant->llvm = llvm; draw_llvm_make_variant_key(llvm, &variant->key); @@ -242,6 +305,12 @@ draw_llvm_prepare(struct draw_llvm *llvm, int 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; } @@ -250,11 +319,13 @@ generate_vs(struct draw_llvm *llvm, LLVMBuilderRef builder, LLVMValueRef (*outputs)[NUM_CHANNELS], const LLVMValueRef (*inputs)[NUM_CHANNELS], - LLVMValueRef context_ptr) + 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 */ @@ -270,6 +341,10 @@ generate_vs(struct draw_llvm *llvm, 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, @@ -278,7 +353,7 @@ generate_vs(struct draw_llvm *llvm, NULL /*pos*/, inputs, outputs, - NULL/*sampler*/, + sampler, &llvm->draw->vs.vertex_shader->info); } @@ -306,7 +381,8 @@ generate_fetch(LLVMBuilderRef builder, LLVMValueRef *res, struct pipe_vertex_element *velem, LLVMValueRef vbuf, - LLVMValueRef index) + LLVMValueRef index, + LLVMValueRef instance_id) { LLVMValueRef indices = LLVMConstInt(LLVMInt64Type(), velem->vertex_buffer_index, 0); LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr, @@ -317,8 +393,15 @@ generate_fetch(LLVMBuilderRef builder, LLVMValueRef cond; LLVMValueRef stride; - cond = LLVMBuildICmp(builder, LLVMIntULE, index, vb_max_index, ""); + 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, ""); @@ -586,13 +669,14 @@ convert_to_aos(LLVMBuilderRef builder, static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) { - LLVMTypeRef arg_types[7]; + 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; @@ -601,6 +685,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) const int max_vertices = 4; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; void *code; + struct lp_build_sampler_soa *sampler = 0; arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ @@ -609,6 +694,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) 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(LLVMVoidType(), arg_types, Elements(arg_types), 0); @@ -625,6 +711,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) 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"); @@ -633,6 +720,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) 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 @@ -648,6 +736,10 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); + /* code generated texture sampling */ + sampler = draw_llvm_sampler_soa_create(variant->key.sampler, + context_ptr); + #if DEBUG_STORE lp_build_printf(builder, "start = %d, end = %d, step = %d\n", start, end, step); @@ -678,7 +770,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, &vb_index, 1, ""); generate_fetch(builder, vbuffers_ptr, - &aos_attribs[j][i], velem, vb, true_index); + &aos_attribs[j][i], velem, vb, true_index, + instance_id); } } convert_to_soa(builder, aos_attribs, inputs, @@ -689,7 +782,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) builder, outputs, ptr_aos, - context_ptr); + context_ptr, + sampler); convert_to_aos(builder, io, outputs, draw->vs.vertex_shader->info.num_outputs, @@ -697,6 +791,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) } lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop); + sampler->destroy(sampler); + LLVMBuildRetVoid(builder); LLVMDisposeBuilder(builder); @@ -730,13 +826,14 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) static void draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *variant) { - LLVMTypeRef arg_types[7]; + 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; @@ -747,6 +844,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; LLVMValueRef fetch_max; void *code; + struct lp_build_sampler_soa *sampler = 0; arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ @@ -755,14 +853,17 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian 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(LLVMVoidType(), arg_types, Elements(arg_types), 0); - variant->function_elts = LLVMAddFunction(llvm->module, "draw_llvm_shader_elts", func_type); + 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); + LLVMAddAttribute(LLVMGetParam(variant->function_elts, i), + LLVMNoAliasAttribute); context_ptr = LLVMGetParam(variant->function_elts, 0); io_ptr = LLVMGetParam(variant->function_elts, 1); @@ -771,6 +872,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian 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"); @@ -779,6 +881,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian 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 @@ -793,6 +896,10 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); + /* code generated texture sampling */ + sampler = draw_llvm_sampler_soa_create(variant->key.sampler, + context_ptr); + fetch_max = LLVMBuildSub(builder, fetch_count, LLVMConstInt(LLVMInt32Type(), 1, 0), "fetch_max"); @@ -833,7 +940,8 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, &vb_index, 1, ""); generate_fetch(builder, vbuffers_ptr, - &aos_attribs[j][i], velem, vb, true_index); + &aos_attribs[j][i], velem, vb, true_index, + instance_id); } } convert_to_soa(builder, aos_attribs, inputs, @@ -844,7 +952,8 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian builder, outputs, ptr_aos, - context_ptr); + context_ptr, + sampler); convert_to_aos(builder, io, outputs, draw->vs.vertex_shader->info.num_outputs, @@ -852,6 +961,8 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian } lp_build_loop_end_cond(builder, fetch_count, step, LLVMIntUGE, &lp_loop); + sampler->destroy(sampler); + LLVMBuildRetVoid(builder); LLVMDisposeBuilder(builder); @@ -885,6 +996,8 @@ void draw_llvm_make_variant_key(struct draw_llvm *llvm, struct draw_llvm_variant_key *key) { + unsigned i; + memset(key, 0, sizeof(struct draw_llvm_variant_key)); key->nr_vertex_elements = llvm->draw->pt.nr_vertex_elements; @@ -896,4 +1009,72 @@ draw_llvm_make_variant_key(struct draw_llvm *llvm, memcpy(&key->vs, &llvm->draw->vs.vertex_shader->state, sizeof(struct pipe_shader_state)); + + /* if the driver implemented the sampling hooks then + * setup our sampling state */ + if (llvm->draw->num_sampler_views && llvm->draw->num_samplers) { + for(i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) { + struct draw_vertex_shader *shader = llvm->draw->vs.vertex_shader; + if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) + lp_sampler_static_state(&key->sampler[i], + llvm->draw->sampler_views[i], + llvm->draw->samplers[i]); + } + } +} + +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); } |