diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_jit.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_jit.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c new file mode 100644 index 0000000000..23aa34ddec --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_jit.c @@ -0,0 +1,207 @@ +/************************************************************************** + * + * Copyright 2009 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. + * + **************************************************************************/ + +/** + * @file + * C - JIT interfaces + * + * @author Jose Fonseca <jfonseca@vmware.com> + */ + + +#include <llvm-c/Transforms/Scalar.h> + +#include "util/u_memory.h" +#include "util/u_cpu_detect.h" +#include "gallivm/lp_bld_init.h" +#include "gallivm/lp_bld_debug.h" +#include "lp_screen.h" +#include "gallivm/lp_bld_intr.h" +#include "lp_jit.h" + + +static void +lp_jit_init_globals(struct llvmpipe_screen *screen) +{ + LLVMTypeRef texture_type; + + /* struct lp_jit_texture */ + { + LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS]; + + elem_types[LP_JIT_TEXTURE_WIDTH] = LLVMInt32Type(); + elem_types[LP_JIT_TEXTURE_HEIGHT] = LLVMInt32Type(); + elem_types[LP_JIT_TEXTURE_DEPTH] = LLVMInt32Type(); + elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type(); + elem_types[LP_JIT_TEXTURE_ROW_STRIDE] = + LLVMArrayType(LLVMInt32Type(), LP_MAX_TEXTURE_LEVELS); + elem_types[LP_JIT_TEXTURE_IMG_STRIDE] = + LLVMArrayType(LLVMInt32Type(), LP_MAX_TEXTURE_LEVELS); + elem_types[LP_JIT_TEXTURE_DATA] = + LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0), + LP_MAX_TEXTURE_LEVELS); + + texture_type = LLVMStructType(elem_types, Elements(elem_types), 0); + + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width, + screen->target, texture_type, + LP_JIT_TEXTURE_WIDTH); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height, + screen->target, texture_type, + LP_JIT_TEXTURE_HEIGHT); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth, + screen->target, texture_type, + LP_JIT_TEXTURE_DEPTH); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level, + screen->target, texture_type, + LP_JIT_TEXTURE_LAST_LEVEL); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride, + screen->target, texture_type, + LP_JIT_TEXTURE_ROW_STRIDE); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride, + screen->target, texture_type, + LP_JIT_TEXTURE_IMG_STRIDE); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, data, + screen->target, texture_type, + LP_JIT_TEXTURE_DATA); + LP_CHECK_STRUCT_SIZE(struct lp_jit_texture, + screen->target, texture_type); + + LLVMAddTypeName(screen->module, "texture", texture_type); + } + + /* struct lp_jit_context */ + { + LLVMTypeRef elem_types[LP_JIT_CTX_COUNT]; + LLVMTypeRef context_type; + + elem_types[LP_JIT_CTX_CONSTANTS] = LLVMPointerType(LLVMFloatType(), 0); + elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatType(); + elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] = LLVMInt32Type(); + elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32Type(); + elem_types[LP_JIT_CTX_SCISSOR_XMIN] = LLVMFloatType(); + elem_types[LP_JIT_CTX_SCISSOR_YMIN] = LLVMFloatType(); + elem_types[LP_JIT_CTX_SCISSOR_XMAX] = LLVMFloatType(); + elem_types[LP_JIT_CTX_SCISSOR_YMAX] = LLVMFloatType(); + elem_types[LP_JIT_CTX_BLEND_COLOR] = LLVMPointerType(LLVMInt8Type(), 0); + elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type, + PIPE_MAX_SAMPLERS); + + context_type = LLVMStructType(elem_types, Elements(elem_types), 0); + + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants, + screen->target, context_type, + LP_JIT_CTX_CONSTANTS); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value, + screen->target, context_type, + LP_JIT_CTX_ALPHA_REF); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front, + screen->target, context_type, + LP_JIT_CTX_STENCIL_REF_FRONT); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back, + screen->target, context_type, + LP_JIT_CTX_STENCIL_REF_BACK); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_xmin, + screen->target, context_type, + LP_JIT_CTX_SCISSOR_XMIN); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_ymin, + screen->target, context_type, + LP_JIT_CTX_SCISSOR_YMIN); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_xmax, + screen->target, context_type, + LP_JIT_CTX_SCISSOR_XMAX); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_ymax, + screen->target, context_type, + LP_JIT_CTX_SCISSOR_YMAX); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, blend_color, + screen->target, context_type, + LP_JIT_CTX_BLEND_COLOR); + LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures, + screen->target, context_type, + LP_JIT_CTX_TEXTURES); + LP_CHECK_STRUCT_SIZE(struct lp_jit_context, + screen->target, context_type); + + LLVMAddTypeName(screen->module, "context", context_type); + + screen->context_ptr_type = LLVMPointerType(context_type, 0); + } + + if (gallivm_debug & GALLIVM_DEBUG_IR) { + LLVMDumpModule(screen->module); + } +} + + +void +lp_jit_screen_cleanup(struct llvmpipe_screen *screen) +{ + if(screen->engine) + LLVMDisposeExecutionEngine(screen->engine); + + if(screen->pass) + LLVMDisposePassManager(screen->pass); +} + + +void +lp_jit_screen_init(struct llvmpipe_screen *screen) +{ + lp_build_init(); + + screen->module = lp_build_module; + screen->provider = lp_build_provider; + screen->engine = lp_build_engine; + screen->target = lp_build_target; + + screen->pass = LLVMCreateFunctionPassManager(screen->provider); + LLVMAddTargetData(screen->target, screen->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(screen->pass); + LLVMAddPromoteMemoryToRegisterPass(screen->pass); + LLVMAddConstantPropagationPass(screen->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(screen->pass); + } + LLVMAddGVNPass(screen->pass); + } else { + /* We need at least this pass to prevent the backends to fail in + * unexpected ways. + */ + LLVMAddPromoteMemoryToRegisterPass(screen->pass); + } + + lp_jit_init_globals(screen); +} |