1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
32 * @author Jose Fonseca <jfonseca@vmware.com>
36 #include <llvm-c/Transforms/Scalar.h>
38 #include "util/u_memory.h"
39 #include "util/u_cpu_detect.h"
40 #include "gallivm/lp_bld_init.h"
42 #include "lp_screen.h"
43 #include "gallivm/lp_bld_intr.h"
48 lp_jit_init_globals(struct llvmpipe_screen
*screen
)
50 LLVMTypeRef texture_type
;
52 /* struct lp_jit_texture */
54 LLVMTypeRef elem_types
[6];
56 elem_types
[LP_JIT_TEXTURE_WIDTH
] = LLVMInt32Type();
57 elem_types
[LP_JIT_TEXTURE_HEIGHT
] = LLVMInt32Type();
58 elem_types
[LP_JIT_TEXTURE_DEPTH
] = LLVMInt32Type();
59 elem_types
[LP_JIT_TEXTURE_LAST_LEVEL
] = LLVMInt32Type();
60 elem_types
[LP_JIT_TEXTURE_ROW_STRIDE
] =
61 LLVMArrayType(LLVMInt32Type(), LP_MAX_TEXTURE_2D_LEVELS
);
62 elem_types
[LP_JIT_TEXTURE_DATA
] =
63 LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0),
64 LP_MAX_TEXTURE_2D_LEVELS
);
66 texture_type
= LLVMStructType(elem_types
, Elements(elem_types
), 0);
68 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, width
,
69 screen
->target
, texture_type
,
70 LP_JIT_TEXTURE_WIDTH
);
71 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, height
,
72 screen
->target
, texture_type
,
73 LP_JIT_TEXTURE_HEIGHT
);
74 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, depth
,
75 screen
->target
, texture_type
,
76 LP_JIT_TEXTURE_DEPTH
);
77 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, last_level
,
78 screen
->target
, texture_type
,
79 LP_JIT_TEXTURE_LAST_LEVEL
);
80 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, row_stride
,
81 screen
->target
, texture_type
,
82 LP_JIT_TEXTURE_ROW_STRIDE
);
83 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, data
,
84 screen
->target
, texture_type
,
86 LP_CHECK_STRUCT_SIZE(struct lp_jit_texture
,
87 screen
->target
, texture_type
);
89 LLVMAddTypeName(screen
->module
, "texture", texture_type
);
92 /* struct lp_jit_context */
94 LLVMTypeRef elem_types
[8];
95 LLVMTypeRef context_type
;
97 elem_types
[0] = LLVMPointerType(LLVMFloatType(), 0); /* constants */
98 elem_types
[1] = LLVMFloatType(); /* alpha_ref_value */ elem_types
[2] = LLVMFloatType(); /* scissor_xmin */
99 elem_types
[3] = LLVMFloatType(); /* scissor_ymin */
100 elem_types
[4] = LLVMFloatType(); /* scissor_xmax */
101 elem_types
[5] = LLVMFloatType(); /* scissor_ymax */
102 elem_types
[6] = LLVMPointerType(LLVMInt8Type(), 0); /* blend_color */
103 elem_types
[7] = LLVMArrayType(texture_type
, PIPE_MAX_SAMPLERS
); /* textures */
105 context_type
= LLVMStructType(elem_types
, Elements(elem_types
), 0);
107 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, constants
,
108 screen
->target
, context_type
, 0);
109 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, alpha_ref_value
,
110 screen
->target
, context_type
, 1);
111 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_xmin
,
112 screen
->target
, context_type
, 2);
113 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_ymin
,
114 screen
->target
, context_type
, 3);
115 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_xmax
,
116 screen
->target
, context_type
, 4);
117 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_ymax
,
118 screen
->target
, context_type
, 5);
119 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, blend_color
,
120 screen
->target
, context_type
, 6);
121 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, textures
,
122 screen
->target
, context_type
,
123 LP_JIT_CONTEXT_TEXTURES_INDEX
);
124 LP_CHECK_STRUCT_SIZE(struct lp_jit_context
,
125 screen
->target
, context_type
);
127 LLVMAddTypeName(screen
->module
, "context", context_type
);
129 screen
->context_ptr_type
= LLVMPointerType(context_type
, 0);
133 LLVMDumpModule(screen
->module
);
139 lp_jit_screen_cleanup(struct llvmpipe_screen
*screen
)
142 LLVMDisposeExecutionEngine(screen
->engine
);
145 LLVMDisposePassManager(screen
->pass
);
150 lp_jit_screen_init(struct llvmpipe_screen
*screen
)
157 /* For simulating less capable machines */
158 util_cpu_caps
.has_sse3
= 0;
159 util_cpu_caps
.has_ssse3
= 0;
160 util_cpu_caps
.has_sse4_1
= 0;
165 screen
->module
= LLVMModuleCreateWithName("llvmpipe");
167 screen
->provider
= LLVMCreateModuleProviderForExistingModule(screen
->module
);
169 if (LLVMCreateJITCompiler(&screen
->engine
, screen
->provider
, 1, &error
)) {
170 _debug_printf("%s\n", error
);
171 LLVMDisposeMessage(error
);
175 screen
->target
= LLVMGetExecutionEngineTargetData(screen
->engine
);
177 screen
->pass
= LLVMCreateFunctionPassManager(screen
->provider
);
178 LLVMAddTargetData(screen
->target
, screen
->pass
);
180 if ((LP_DEBUG
& DEBUG_NO_LLVM_OPT
) == 0) {
181 /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
182 * but there are more on SVN. */
183 /* TODO: Add more passes */
184 LLVMAddConstantPropagationPass(screen
->pass
);
185 if(util_cpu_caps
.has_sse4_1
) {
186 /* FIXME: There is a bug in this pass, whereby the combination of fptosi
187 * and sitofp (necessary for trunc/floor/ceil/round implementation)
188 * somehow becomes invalid code.
190 LLVMAddInstructionCombiningPass(screen
->pass
);
192 LLVMAddPromoteMemoryToRegisterPass(screen
->pass
);
193 LLVMAddGVNPass(screen
->pass
);
194 LLVMAddCFGSimplificationPass(screen
->pass
);
197 lp_jit_init_globals(screen
);