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
[LP_JIT_TEXTURE_NUM_FIELDS
];
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_LEVELS
);
62 elem_types
[LP_JIT_TEXTURE_IMG_STRIDE
] =
63 LLVMArrayType(LLVMInt32Type(), LP_MAX_TEXTURE_LEVELS
);
64 elem_types
[LP_JIT_TEXTURE_DATA
] =
65 LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0),
66 LP_MAX_TEXTURE_LEVELS
);
68 texture_type
= LLVMStructType(elem_types
, Elements(elem_types
), 0);
70 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, width
,
71 screen
->target
, texture_type
,
72 LP_JIT_TEXTURE_WIDTH
);
73 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, height
,
74 screen
->target
, texture_type
,
75 LP_JIT_TEXTURE_HEIGHT
);
76 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, depth
,
77 screen
->target
, texture_type
,
78 LP_JIT_TEXTURE_DEPTH
);
79 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, last_level
,
80 screen
->target
, texture_type
,
81 LP_JIT_TEXTURE_LAST_LEVEL
);
82 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, row_stride
,
83 screen
->target
, texture_type
,
84 LP_JIT_TEXTURE_ROW_STRIDE
);
85 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, img_stride
,
86 screen
->target
, texture_type
,
87 LP_JIT_TEXTURE_IMG_STRIDE
);
88 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture
, data
,
89 screen
->target
, texture_type
,
91 LP_CHECK_STRUCT_SIZE(struct lp_jit_texture
,
92 screen
->target
, texture_type
);
94 LLVMAddTypeName(screen
->module
, "texture", texture_type
);
97 /* struct lp_jit_context */
99 LLVMTypeRef elem_types
[LP_JIT_CTX_COUNT
];
100 LLVMTypeRef context_type
;
102 elem_types
[LP_JIT_CTX_CONSTANTS
] = LLVMPointerType(LLVMFloatType(), 0);
103 elem_types
[LP_JIT_CTX_ALPHA_REF
] = LLVMFloatType();
104 elem_types
[LP_JIT_CTX_STENCIL_REF_FRONT
] = LLVMInt32Type();
105 elem_types
[LP_JIT_CTX_STENCIL_REF_BACK
] = LLVMInt32Type();
106 elem_types
[LP_JIT_CTX_SCISSOR_XMIN
] = LLVMFloatType();
107 elem_types
[LP_JIT_CTX_SCISSOR_YMIN
] = LLVMFloatType();
108 elem_types
[LP_JIT_CTX_SCISSOR_XMAX
] = LLVMFloatType();
109 elem_types
[LP_JIT_CTX_SCISSOR_YMAX
] = LLVMFloatType();
110 elem_types
[LP_JIT_CTX_BLEND_COLOR
] = LLVMPointerType(LLVMInt8Type(), 0);
111 elem_types
[LP_JIT_CTX_TEXTURES
] = LLVMArrayType(texture_type
,
114 context_type
= LLVMStructType(elem_types
, Elements(elem_types
), 0);
116 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, constants
,
117 screen
->target
, context_type
,
118 LP_JIT_CTX_CONSTANTS
);
119 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, alpha_ref_value
,
120 screen
->target
, context_type
,
121 LP_JIT_CTX_ALPHA_REF
);
122 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, stencil_ref_front
,
123 screen
->target
, context_type
,
124 LP_JIT_CTX_STENCIL_REF_FRONT
);
125 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, stencil_ref_back
,
126 screen
->target
, context_type
,
127 LP_JIT_CTX_STENCIL_REF_BACK
);
128 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_xmin
,
129 screen
->target
, context_type
,
130 LP_JIT_CTX_SCISSOR_XMIN
);
131 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_ymin
,
132 screen
->target
, context_type
,
133 LP_JIT_CTX_SCISSOR_YMIN
);
134 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_xmax
,
135 screen
->target
, context_type
,
136 LP_JIT_CTX_SCISSOR_XMAX
);
137 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, scissor_ymax
,
138 screen
->target
, context_type
,
139 LP_JIT_CTX_SCISSOR_YMAX
);
140 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, blend_color
,
141 screen
->target
, context_type
,
142 LP_JIT_CTX_BLEND_COLOR
);
143 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context
, textures
,
144 screen
->target
, context_type
,
145 LP_JIT_CTX_TEXTURES
);
146 LP_CHECK_STRUCT_SIZE(struct lp_jit_context
,
147 screen
->target
, context_type
);
149 LLVMAddTypeName(screen
->module
, "context", context_type
);
151 screen
->context_ptr_type
= LLVMPointerType(context_type
, 0);
155 LLVMDumpModule(screen
->module
);
161 lp_jit_screen_cleanup(struct llvmpipe_screen
*screen
)
164 LLVMDisposeExecutionEngine(screen
->engine
);
167 LLVMDisposePassManager(screen
->pass
);
172 lp_jit_screen_init(struct llvmpipe_screen
*screen
)
176 screen
->module
= lp_build_module
;
177 screen
->provider
= lp_build_provider
;
178 screen
->engine
= lp_build_engine
;
179 screen
->target
= lp_build_target
;
181 screen
->pass
= LLVMCreateFunctionPassManager(screen
->provider
);
182 LLVMAddTargetData(screen
->target
, screen
->pass
);
184 if ((LP_DEBUG
& DEBUG_NO_LLVM_OPT
) == 0) {
185 /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
186 * but there are more on SVN. */
187 /* TODO: Add more passes */
188 LLVMAddConstantPropagationPass(screen
->pass
);
189 if(util_cpu_caps
.has_sse4_1
) {
190 /* FIXME: There is a bug in this pass, whereby the combination of fptosi
191 * and sitofp (necessary for trunc/floor/ceil/round implementation)
192 * somehow becomes invalid code.
194 LLVMAddInstructionCombiningPass(screen
->pass
);
196 LLVMAddPromoteMemoryToRegisterPass(screen
->pass
);
197 LLVMAddGVNPass(screen
->pass
);
198 LLVMAddCFGSimplificationPass(screen
->pass
);
201 lp_jit_init_globals(screen
);