1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/**************************************************************************
*
* 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.
*
**************************************************************************/
#ifndef HAVE_LLVM_H
#define HAVE_LLVM_H
#include "draw/draw_private.h"
#include "draw/draw_vs.h"
#include "pipe/p_context.h"
#include "util/u_simple_list.h"
#include <llvm-c/Core.h>
#include <llvm-c/Analysis.h>
#include <llvm-c/Target.h>
#include <llvm-c/ExecutionEngine.h>
struct draw_llvm;
struct llvm_vertex_shader;
struct draw_jit_texture
{
uint32_t width;
uint32_t height;
uint32_t stride;
const void *data;
};
enum {
DRAW_JIT_TEXTURE_WIDTH = 0,
DRAW_JIT_TEXTURE_HEIGHT,
DRAW_JIT_TEXTURE_STRIDE,
DRAW_JIT_TEXTURE_DATA
};
enum {
DRAW_JIT_VERTEX_VERTEX_ID = 0,
DRAW_JIT_VERTEX_CLIP,
DRAW_JIT_VERTEX_DATA
};
/**
* This structure is passed directly to the generated vertex shader.
*
* It contains the derived state.
*
* Changes here must be reflected in the draw_jit_context_* macros.
* Changes to the ordering should be avoided.
*
* Only use types with a clear size and padding here, in particular prefer the
* stdint.h types to the basic integer types.
*/
struct draw_jit_context
{
const float *vs_constants;
const float *gs_constants;
struct draw_jit_texture textures[PIPE_MAX_SAMPLERS];
};
#define draw_jit_context_vs_constants(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 0, "vs_constants")
#define draw_jit_context_gs_constants(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 1, "gs_constants")
#define DRAW_JIT_CONTEXT_TEXTURES_INDEX 2
#define draw_jit_context_textures(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, DRAW_JIT_CONTEXT_TEXTURES_INDEX, "textures")
#define draw_jit_header_id(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, 0, "id")
#define draw_jit_header_clip(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 1, "clip")
#define draw_jit_header_data(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, 2, "data")
#define draw_jit_vbuffer_stride(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 0, "stride")
#define draw_jit_vbuffer_max_index(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 1, "max_index")
#define draw_jit_vbuffer_offset(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 2, "buffer_offset")
typedef void
(*draw_jit_vert_func)(struct draw_jit_context *context,
struct vertex_header *io,
const char *vbuffers[PIPE_MAX_ATTRIBS],
unsigned start,
unsigned count,
unsigned stride,
struct pipe_vertex_buffer *vertex_buffers);
typedef void
(*draw_jit_vert_func_elts)(struct draw_jit_context *context,
struct vertex_header *io,
const char *vbuffers[PIPE_MAX_ATTRIBS],
const unsigned *fetch_elts,
unsigned fetch_count,
unsigned stride,
struct pipe_vertex_buffer *vertex_buffers);
struct draw_llvm_variant_key
{
struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
unsigned nr_vertex_elements;
struct pipe_shader_state vs;
};
struct draw_llvm_variant_list_item
{
struct draw_llvm_variant *base;
struct draw_llvm_variant_list_item *next, *prev;
};
struct draw_llvm_variant
{
struct draw_llvm_variant_key key;
LLVMValueRef function;
LLVMValueRef function_elts;
draw_jit_vert_func jit_func;
draw_jit_vert_func_elts jit_func_elts;
struct llvm_vertex_shader *shader;
struct draw_llvm *llvm;
struct draw_llvm_variant_list_item list_item_global;
struct draw_llvm_variant_list_item list_item_local;
};
struct llvm_vertex_shader {
struct draw_vertex_shader base;
struct draw_llvm_variant_list_item variants;
unsigned variants_created;
unsigned variants_cached;
};
struct draw_llvm {
struct draw_context *draw;
struct draw_jit_context jit_context;
struct draw_llvm_variant_list_item vs_variants_list;
int nr_variants;
LLVMModuleRef module;
LLVMExecutionEngineRef engine;
LLVMModuleProviderRef provider;
LLVMTargetDataRef target;
LLVMPassManagerRef pass;
LLVMTypeRef context_ptr_type;
LLVMTypeRef vertex_header_ptr_type;
LLVMTypeRef buffer_ptr_type;
LLVMTypeRef vb_ptr_type;
};
static struct llvm_vertex_shader *
llvm_vertex_shader(struct draw_vertex_shader *vs)
{
return (struct llvm_vertex_shader *)vs;
}
struct draw_llvm *
draw_llvm_create(struct draw_context *draw);
void
draw_llvm_destroy(struct draw_llvm *llvm);
struct draw_llvm_variant *
draw_llvm_create_variant(struct draw_llvm *llvm, int num_inputs);
void
draw_llvm_destroy_variant(struct draw_llvm_variant *variant);
void
draw_llvm_make_variant_key(struct draw_llvm *llvm,
struct draw_llvm_variant_key *key);
LLVMValueRef
draw_llvm_translate_from(LLVMBuilderRef builder,
LLVMValueRef vbuffer,
enum pipe_format from_format);
#endif
|
