2009-08-23 05:52:20 +01:00
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/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* C - JIT interfaces
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#include <llvm-c/Transforms/Scalar.h>
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2009-08-23 06:35:09 +01:00
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#include "util/u_memory.h"
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2009-09-29 13:58:58 +01:00
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#include "util/u_cpu_detect.h"
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2010-03-03 12:00:25 +00:00
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#include "gallivm/lp_bld_init.h"
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2010-01-28 00:16:42 +00:00
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#include "lp_debug.h"
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2009-08-23 05:52:20 +01:00
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#include "lp_screen.h"
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2010-02-08 23:05:22 +00:00
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#include "gallivm/lp_bld_intr.h"
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2009-08-23 05:52:20 +01:00
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#include "lp_jit.h"
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2009-08-23 06:35:09 +01:00
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static void
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2009-08-23 07:55:29 +01:00
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lp_jit_init_globals(struct llvmpipe_screen *screen)
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2009-08-23 06:35:09 +01:00
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{
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2009-09-07 14:52:39 +01:00
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LLVMTypeRef texture_type;
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/* struct lp_jit_texture */
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2009-08-23 06:35:09 +01:00
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{
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2010-03-05 23:51:35 +00:00
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LLVMTypeRef elem_types[6];
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2009-09-07 14:52:39 +01:00
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elem_types[LP_JIT_TEXTURE_WIDTH] = LLVMInt32Type();
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elem_types[LP_JIT_TEXTURE_HEIGHT] = LLVMInt32Type();
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2010-03-05 23:51:35 +00:00
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elem_types[LP_JIT_TEXTURE_DEPTH] = LLVMInt32Type();
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elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type();
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2010-03-11 21:46:06 +00:00
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elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
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LLVMArrayType(LLVMInt32Type(), LP_MAX_TEXTURE_2D_LEVELS);
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2010-03-08 22:19:13 +00:00
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elem_types[LP_JIT_TEXTURE_DATA] =
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LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0),
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LP_MAX_TEXTURE_2D_LEVELS);
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2009-09-07 14:52:39 +01:00
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texture_type = LLVMStructType(elem_types, Elements(elem_types), 0);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
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screen->target, texture_type,
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LP_JIT_TEXTURE_WIDTH);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
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screen->target, texture_type,
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LP_JIT_TEXTURE_HEIGHT);
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2010-03-05 23:51:35 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
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screen->target, texture_type,
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LP_JIT_TEXTURE_DEPTH);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
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screen->target, texture_type,
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LP_JIT_TEXTURE_LAST_LEVEL);
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2010-03-11 21:46:06 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
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2009-09-07 14:52:39 +01:00
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screen->target, texture_type,
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2010-03-11 21:46:06 +00:00
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LP_JIT_TEXTURE_ROW_STRIDE);
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2009-09-07 14:52:39 +01:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, data,
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screen->target, texture_type,
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LP_JIT_TEXTURE_DATA);
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LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
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screen->target, texture_type);
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LLVMAddTypeName(screen->module, "texture", texture_type);
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}
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/* struct lp_jit_context */
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{
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2010-03-16 20:11:43 +00:00
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LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
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2009-08-23 06:35:09 +01:00
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LLVMTypeRef context_type;
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2010-03-16 20:11:43 +00:00
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elem_types[LP_JIT_CTX_CONSTANTS] = LLVMPointerType(LLVMFloatType(), 0);
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elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatType();
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elem_types[LP_JIT_CTX_STENCIL_REF] = LLVMArrayType(LLVMInt8Type(), 2);
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elem_types[LP_JIT_CTX_SCISSOR_XMIN] = LLVMFloatType();
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elem_types[LP_JIT_CTX_SCISSOR_YMIN] = LLVMFloatType();
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elem_types[LP_JIT_CTX_SCISSOR_XMAX] = LLVMFloatType();
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elem_types[LP_JIT_CTX_SCISSOR_YMAX] = LLVMFloatType();
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elem_types[LP_JIT_CTX_BLEND_COLOR] = LLVMPointerType(LLVMInt8Type(), 0);
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elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
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PIPE_MAX_SAMPLERS);
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2009-08-23 06:35:09 +01:00
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context_type = LLVMStructType(elem_types, Elements(elem_types), 0);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_CONSTANTS);
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2009-08-23 07:38:41 +01:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_ALPHA_REF);
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2010-03-16 20:00:40 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_STENCIL_REF);
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2010-03-16 20:00:40 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_xmin,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_SCISSOR_XMIN);
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2010-03-16 20:00:40 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_ymin,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_SCISSOR_YMIN);
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2010-03-16 20:00:40 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_xmax,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_SCISSOR_XMAX);
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2010-03-16 20:00:40 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, scissor_ymax,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_SCISSOR_YMAX);
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2010-03-16 20:00:40 +00:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, blend_color,
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2010-03-16 20:11:43 +00:00
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screen->target, context_type,
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LP_JIT_CTX_BLEND_COLOR);
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2009-09-07 14:52:39 +01:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
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screen->target, context_type,
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2010-03-16 20:11:43 +00:00
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LP_JIT_CTX_TEXTURES);
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2009-08-23 06:35:09 +01:00
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LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
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screen->target, context_type);
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LLVMAddTypeName(screen->module, "context", context_type);
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screen->context_ptr_type = LLVMPointerType(context_type, 0);
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}
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#ifdef DEBUG
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LLVMDumpModule(screen->module);
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#endif
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}
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2009-08-23 05:52:20 +01:00
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void
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lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
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{
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if(screen->engine)
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LLVMDisposeExecutionEngine(screen->engine);
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if(screen->pass)
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LLVMDisposePassManager(screen->pass);
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}
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void
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lp_jit_screen_init(struct llvmpipe_screen *screen)
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{
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char *error = NULL;
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2009-09-29 13:58:58 +01:00
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util_cpu_detect();
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2009-09-29 17:26:20 +01:00
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#if 0
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/* For simulating less capable machines */
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util_cpu_caps.has_sse3 = 0;
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2009-11-26 11:16:19 +00:00
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util_cpu_caps.has_ssse3 = 0;
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2009-09-29 17:26:20 +01:00
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util_cpu_caps.has_sse4_1 = 0;
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#endif
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2010-03-03 12:00:25 +00:00
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lp_build_init();
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2009-09-26 09:33:32 +01:00
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2009-08-23 05:52:20 +01:00
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screen->module = LLVMModuleCreateWithName("llvmpipe");
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screen->provider = LLVMCreateModuleProviderForExistingModule(screen->module);
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if (LLVMCreateJITCompiler(&screen->engine, screen->provider, 1, &error)) {
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2009-09-16 10:39:06 +01:00
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_debug_printf("%s\n", error);
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2009-08-23 05:52:20 +01:00
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LLVMDisposeMessage(error);
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2009-11-23 11:21:11 +00:00
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assert(0);
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2009-08-23 05:52:20 +01:00
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}
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2009-08-23 06:35:09 +01:00
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screen->target = LLVMGetExecutionEngineTargetData(screen->engine);
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2009-08-23 05:52:20 +01:00
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screen->pass = LLVMCreateFunctionPassManager(screen->provider);
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2009-08-23 06:35:09 +01:00
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LLVMAddTargetData(screen->target, screen->pass);
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2010-01-28 00:16:42 +00:00
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if ((LP_DEBUG & DEBUG_NO_LLVM_OPT) == 0) {
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/* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
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* but there are more on SVN. */
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/* TODO: Add more passes */
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LLVMAddConstantPropagationPass(screen->pass);
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if(util_cpu_caps.has_sse4_1) {
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/* FIXME: There is a bug in this pass, whereby the combination of fptosi
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* and sitofp (necessary for trunc/floor/ceil/round implementation)
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* somehow becomes invalid code.
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*/
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LLVMAddInstructionCombiningPass(screen->pass);
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}
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LLVMAddPromoteMemoryToRegisterPass(screen->pass);
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LLVMAddGVNPass(screen->pass);
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LLVMAddCFGSimplificationPass(screen->pass);
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2009-09-29 17:26:20 +01:00
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}
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2009-08-23 06:35:09 +01:00
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2009-08-23 07:55:29 +01:00
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lp_jit_init_globals(screen);
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2009-08-23 05:52:20 +01:00
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}
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