st/nine: Finish Fog implementation
[mesa.git] / src / gallium / state_trackers / nine / nine_shader.h
1 /*
2 * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22
23 #ifndef _NINE_SHADER_H_
24 #define _NINE_SHADER_H_
25
26 #include "d3d9types.h"
27 #include "d3d9caps.h"
28 #include "nine_defines.h"
29 #include "pipe/p_state.h" /* PIPE_MAX_ATTRIBS */
30 #include "util/u_memory.h"
31
32 struct NineDevice9;
33
34 struct nine_lconstf /* NOTE: both pointers should be FREE'd by the user */
35 {
36 struct nine_range *ranges; /* single MALLOC, but next-pointers valid */
37 float *data;
38 };
39
40 struct nine_shader_info
41 {
42 unsigned type; /* in, PIPE_SHADER_x */
43
44 uint8_t version; /* (major << 4) | minor */
45
46 const DWORD *byte_code; /* in, pointer to shader tokens */
47 DWORD byte_size; /* out, size of data at byte_code */
48
49 void *cso; /* out, pipe cso for bind_vs,fs_state */
50
51 uint16_t input_map[PIPE_MAX_ATTRIBS]; /* VS input -> NINE_DECLUSAGE_x */
52 uint8_t num_inputs; /* there may be unused inputs (NINE_DECLUSAGE_NONE) */
53
54 boolean position_t; /* out, true if VP writes pre-transformed position */
55 boolean point_size; /* out, true if VP writes point size */
56
57 uint32_t sampler_ps1xtypes; /* 2 bits per sampler */
58 uint16_t sampler_mask; /* out, which samplers are being used */
59 uint16_t sampler_mask_shadow; /* in, which samplers use depth compare */
60 uint8_t rt_mask; /* out, which render targets are being written */
61
62 uint8_t fog_enable;
63 uint8_t fog_mode;
64
65 unsigned const_i_base; /* in vec4 (16 byte) units */
66 unsigned const_b_base; /* in vec4 (16 byte) units */
67 unsigned const_used_size;
68
69 unsigned const_float_slots;
70 unsigned const_int_slots;
71 unsigned const_bool_slots;
72
73 struct nine_lconstf lconstf; /* out, NOTE: members to be free'd by user */
74 uint8_t bumpenvmat_needed;
75 };
76
77 static inline void
78 nine_info_mark_const_f_used(struct nine_shader_info *info, int idx)
79 {
80 if (info->const_float_slots < (idx + 1))
81 info->const_float_slots = idx + 1;
82 }
83 static inline void
84 nine_info_mark_const_i_used(struct nine_shader_info *info, int idx)
85 {
86 if (info->const_int_slots < (idx + 1))
87 info->const_int_slots = idx + 1;
88 }
89 static inline void
90 nine_info_mark_const_b_used(struct nine_shader_info *info, int idx)
91 {
92 if (info->const_bool_slots < (idx + 1))
93 info->const_bool_slots = idx + 1;
94 }
95
96 HRESULT
97 nine_translate_shader(struct NineDevice9 *device, struct nine_shader_info *);
98
99
100 struct nine_shader_variant
101 {
102 struct nine_shader_variant *next;
103 void *cso;
104 uint32_t key;
105 };
106
107 static inline void *
108 nine_shader_variant_get(struct nine_shader_variant *list, uint32_t key)
109 {
110 while (list->key != key && list->next)
111 list = list->next;
112 if (list->key == key)
113 return list->cso;
114 return NULL;
115 }
116
117 static inline boolean
118 nine_shader_variant_add(struct nine_shader_variant *list,
119 uint32_t key, void *cso)
120 {
121 while (list->next) {
122 assert(list->key != key);
123 list = list->next;
124 }
125 list->next = MALLOC_STRUCT(nine_shader_variant);
126 if (!list->next)
127 return FALSE;
128 list->next->next = NULL;
129 list->next->key = key;
130 list->next->cso = cso;
131 return TRUE;
132 }
133
134 static inline void
135 nine_shader_variants_free(struct nine_shader_variant *list)
136 {
137 while (list->next) {
138 struct nine_shader_variant *ptr = list->next;
139 list->next = ptr->next;
140 FREE(ptr);
141 }
142 }
143
144 struct nine_shader_variant64
145 {
146 struct nine_shader_variant64 *next;
147 void *cso;
148 uint64_t key;
149 };
150
151 static inline void *
152 nine_shader_variant_get64(struct nine_shader_variant64 *list, uint64_t key)
153 {
154 while (list->key != key && list->next)
155 list = list->next;
156 if (list->key == key)
157 return list->cso;
158 return NULL;
159 }
160
161 static inline boolean
162 nine_shader_variant_add64(struct nine_shader_variant64 *list,
163 uint64_t key, void *cso)
164 {
165 while (list->next) {
166 assert(list->key != key);
167 list = list->next;
168 }
169 list->next = MALLOC_STRUCT(nine_shader_variant64);
170 if (!list->next)
171 return FALSE;
172 list->next->next = NULL;
173 list->next->key = key;
174 list->next->cso = cso;
175 return TRUE;
176 }
177
178 static inline void
179 nine_shader_variants_free64(struct nine_shader_variant64 *list)
180 {
181 while (list->next) {
182 struct nine_shader_variant64 *ptr = list->next;
183 list->next = ptr->next;
184 FREE(ptr);
185 }
186 }
187
188 #endif /* _NINE_SHADER_H_ */