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
|
/**************************************************************************
*
* 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>
*/
#ifndef LP_JIT_H
#define LP_JIT_H
#include "gallivm/lp_bld_struct.h"
#include "pipe/p_state.h"
#include "lp_texture.h"
struct llvmpipe_screen;
struct lp_jit_texture
{
uint32_t width;
uint32_t height;
uint32_t depth;
uint32_t last_level;
uint32_t row_stride[LP_MAX_TEXTURE_LEVELS];
const void *data[LP_MAX_TEXTURE_LEVELS];
};
enum {
LP_JIT_TEXTURE_WIDTH = 0,
LP_JIT_TEXTURE_HEIGHT,
LP_JIT_TEXTURE_DEPTH,
LP_JIT_TEXTURE_LAST_LEVEL,
LP_JIT_TEXTURE_ROW_STRIDE,
LP_JIT_TEXTURE_DATA
};
/**
* This structure is passed directly to the generated fragment shader.
*
* It contains the derived state.
*
* Changes here must be reflected in the lp_jit_context_* macros and
* lp_jit_init_types function. 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 lp_jit_context
{
const float *constants;
float alpha_ref_value;
uint32_t stencil_ref_front, stencil_ref_back;
/** floats, not ints */
float scissor_xmin, scissor_ymin, scissor_xmax, scissor_ymax;
/* FIXME: store (also?) in floats */
uint8_t *blend_color;
struct lp_jit_texture textures[PIPE_MAX_SAMPLERS];
};
/**
* These enum values must match the position of the fields in the
* lp_jit_context struct above.
*/
enum {
LP_JIT_CTX_CONSTANTS = 0,
LP_JIT_CTX_ALPHA_REF,
LP_JIT_CTX_STENCIL_REF_FRONT,
LP_JIT_CTX_STENCIL_REF_BACK,
LP_JIT_CTX_SCISSOR_XMIN,
LP_JIT_CTX_SCISSOR_YMIN,
LP_JIT_CTX_SCISSOR_XMAX,
LP_JIT_CTX_SCISSOR_YMAX,
LP_JIT_CTX_BLEND_COLOR,
LP_JIT_CTX_TEXTURES,
LP_JIT_CTX_COUNT
};
#define lp_jit_context_constants(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_CONSTANTS, "constants")
#define lp_jit_context_alpha_ref_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_ALPHA_REF, "alpha_ref_value")
#define lp_jit_context_stencil_ref_front_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_STENCIL_REF_FRONT, "stencil_ref_front")
#define lp_jit_context_stencil_ref_back_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_STENCIL_REF_BACK, "stencil_ref_back")
#define lp_jit_context_scissor_xmin_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_SCISSOR_XMIN, "scissor_xmin")
#define lp_jit_context_scissor_ymin_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_SCISSOR_YMIN, "scissor_ymin")
#define lp_jit_context_scissor_xmax_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_SCISSOR_XMAX, "scissor_xmax")
#define lp_jit_context_scissor_ymax_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_SCISSOR_YMAX, "scissor_ymax")
#define lp_jit_context_blend_color(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, LP_JIT_CTX_BLEND_COLOR, "blend_color")
#define lp_jit_context_textures(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, LP_JIT_CONTEXT_TEXTURES, "textures")
/** Indexes into jit_function[] array */
#define RAST_WHOLE 0
#define RAST_EDGE_TEST 1
typedef void
(*lp_jit_frag_func)(const struct lp_jit_context *context,
uint32_t x,
uint32_t y,
float facing,
const void *a0,
const void *dadx,
const void *dady,
uint8_t **color,
void *depth,
const int32_t c1,
const int32_t c2,
const int32_t c3,
const int32_t *step1,
const int32_t *step2,
const int32_t *step3);
void
lp_jit_screen_cleanup(struct llvmpipe_screen *screen);
void
lp_jit_screen_init(struct llvmpipe_screen *screen);
#endif /* LP_JIT_H */
|
