summaryrefslogtreecommitdiffstats
path: root/src/gallium/state_trackers/nine/nine_limits.h
blob: ef1ed2566ba9e2e9597e59e69e6abc5faf3f2d55 (plain)
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
/*
 * Copyright 2015 Axel Davy <axel.davy@ens.fr>
 *
 * 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
 * on 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
 * THE AUTHOR(S) AND/OR THEIR 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 _NINE_LIMITS_H_
#define _NINE_LIMITS_H_

#include "assert.h"
#include "d3d9types.h"

// state can be any value
#define NINE_STATE_NO_LIMIT 0
// value is clamped if below min or max
#define NINE_STATE_CLAMP 1
// boolean: 0 -> false; any other value -> true
#define NINE_STATE_BOOL 2
// a mask is applied on the value
#define NINE_STATE_MASK 3
// if outside a range, state value is changed to a default value
#define NINE_STATE_RANGE_DEF_VAL 4

struct nine_state_behaviour {
  unsigned state_value_behaviour;
  union {
    struct {
      unsigned min;
      unsigned max;
    } clamp;
    unsigned mask;
    struct {
      unsigned min;
      unsigned max;
      unsigned default_val;
    } range_def_val;
  } u;
};

#define __NO_LIMIT_RS(o) \
    [D3DRS_##o] = {NINE_STATE_NO_LIMIT}

#define __CLAMP_RS(o, m, M) \
    [D3DRS_##o] = {NINE_STATE_CLAMP, {.clamp = {m, M}}}

#define __BOOLEAN_RS(o) \
    [D3DRS_##o] = {NINE_STATE_BOOL}

#define __MASK_RS(o, m) \
    [D3DRS_##o] = {NINE_STATE_MASK, {.mask = m}}

#define __RANGE_DEF_VAL_RS(o, m, M, d) \
    [D3DRS_##o] = {NINE_STATE_RANGE_DEF_VAL, {.range_def_val = {m, M, d}}}

#define __TO_DETERMINE_RS(o, m, M) \
    [D3DRS_##o] = {NINE_STATE_NO_LIMIT}

static const struct nine_state_behaviour
render_state_limits_table[D3DRS_BLENDOPALPHA + 1] = {
    __TO_DETERMINE_RS(ZENABLE, 0, 3),
    __TO_DETERMINE_RS(FILLMODE, 1, 3),
    __CLAMP_RS(SHADEMODE, 1, 3),
    __BOOLEAN_RS(ZWRITEENABLE),
    __BOOLEAN_RS(ALPHATESTENABLE),
    __BOOLEAN_RS(LASTPIXEL),
    __RANGE_DEF_VAL_RS(SRCBLEND, 1, 17, D3DBLEND_ZERO),
    __RANGE_DEF_VAL_RS(DESTBLEND, 1, 17, D3DBLEND_ZERO),
    __CLAMP_RS(CULLMODE, 1, 3),
    __CLAMP_RS(ZFUNC, 1, 8),
    __MASK_RS(ALPHAREF, 0x000000FF),
    __CLAMP_RS(ALPHAFUNC, 1, 8),
    __BOOLEAN_RS(DITHERENABLE),
    __BOOLEAN_RS(ALPHABLENDENABLE),
    __BOOLEAN_RS(FOGENABLE),
    __BOOLEAN_RS(SPECULARENABLE),
    __NO_LIMIT_RS(FOGCOLOR),
    __MASK_RS(FOGTABLEMODE, 0x00000007),
    __NO_LIMIT_RS(FOGSTART), /* a bit more complex than that, lets ignore */
    __NO_LIMIT_RS(FOGEND),
    __NO_LIMIT_RS(FOGDENSITY), /* actually should be between 0.0 and 1.0 */
    __BOOLEAN_RS(RANGEFOGENABLE),
    __BOOLEAN_RS(STENCILENABLE),
    __CLAMP_RS(STENCILFAIL, 1, 8),
    __CLAMP_RS(STENCILZFAIL, 1, 8),
    __CLAMP_RS(STENCILPASS, 1, 8),
    __CLAMP_RS(STENCILFUNC, 1, 8),
    __NO_LIMIT_RS(STENCILREF),
    __NO_LIMIT_RS(STENCILMASK),
    __NO_LIMIT_RS(STENCILWRITEMASK),
    __NO_LIMIT_RS(TEXTUREFACTOR),
    __TO_DETERMINE_RS(WRAP0, 0, 15),
    __TO_DETERMINE_RS(WRAP1, 0, 15),
    __TO_DETERMINE_RS(WRAP2, 0, 15),
    __TO_DETERMINE_RS(WRAP3, 0, 15),
    __TO_DETERMINE_RS(WRAP4, 0, 15),
    __TO_DETERMINE_RS(WRAP5, 0, 15),
    __TO_DETERMINE_RS(WRAP6, 0, 15),
    __TO_DETERMINE_RS(WRAP7, 0, 15),
    __BOOLEAN_RS(CLIPPING),
    __BOOLEAN_RS(LIGHTING),
    __NO_LIMIT_RS(AMBIENT),
    __MASK_RS(FOGVERTEXMODE, 0x00000007),
    __BOOLEAN_RS(COLORVERTEX),
    __BOOLEAN_RS(LOCALVIEWER),
    __BOOLEAN_RS(NORMALIZENORMALS),
    __TO_DETERMINE_RS(DIFFUSEMATERIALSOURCE, 0, 2),
    __TO_DETERMINE_RS(SPECULARMATERIALSOURCE, 0, 2),
    __TO_DETERMINE_RS(AMBIENTMATERIALSOURCE, 0, 2),
    __TO_DETERMINE_RS(EMISSIVEMATERIALSOURCE, 0, 2),
    __TO_DETERMINE_RS(VERTEXBLEND, 0, 256), /* values between 4 and 254 -both included- are forbidden too */
    __NO_LIMIT_RS(CLIPPLANEENABLE), /* expected check seems complex */
    __TO_DETERMINE_RS(POINTSIZE, 0, 0xFFFFFFFF),
    __TO_DETERMINE_RS(POINTSIZE_MIN, 0, 0x7FFFFFFF), /* float >= 0.0 */
    __BOOLEAN_RS(POINTSPRITEENABLE),
    __BOOLEAN_RS(POINTSCALEENABLE),
    __TO_DETERMINE_RS(POINTSCALE_A, 0, 0x7FFFFFFF), /* float >= 0.0 */
    __TO_DETERMINE_RS(POINTSCALE_B, 0, 0x7FFFFFFF), /* float >= 0.0 */
    __TO_DETERMINE_RS(POINTSCALE_C, 0, 0x7FFFFFFF), /* float >= 0.0 */
    __BOOLEAN_RS(MULTISAMPLEANTIALIAS),
    __NO_LIMIT_RS(MULTISAMPLEMASK),
    __TO_DETERMINE_RS(PATCHEDGESTYLE, 0, 1),
    __TO_DETERMINE_RS(DEBUGMONITORTOKEN, 0, 1),
    __TO_DETERMINE_RS(POINTSIZE_MAX, 0, 0x7FFFFFFF), /* check more complex than that */
    __BOOLEAN_RS(INDEXEDVERTEXBLENDENABLE),
    __TO_DETERMINE_RS(COLORWRITEENABLE, 0, 15),
    __NO_LIMIT_RS(TWEENFACTOR),
    __CLAMP_RS(BLENDOP, 1, 5),
    __TO_DETERMINE_RS(POSITIONDEGREE, 1, 5), /* can actually be only 1 or 5 */
    __TO_DETERMINE_RS(NORMALDEGREE, 1, 2),
    __BOOLEAN_RS(SCISSORTESTENABLE),
    __NO_LIMIT_RS(SLOPESCALEDEPTHBIAS),
    __BOOLEAN_RS(ANTIALIASEDLINEENABLE),
    __NO_LIMIT_RS(MINTESSELLATIONLEVEL),
    __NO_LIMIT_RS(MAXTESSELLATIONLEVEL),
    __NO_LIMIT_RS(ADAPTIVETESS_X),
    __NO_LIMIT_RS(ADAPTIVETESS_Y),
    __NO_LIMIT_RS(ADAPTIVETESS_Z),
    __NO_LIMIT_RS(ADAPTIVETESS_W),
    __BOOLEAN_RS(ENABLEADAPTIVETESSELLATION),
    __BOOLEAN_RS(TWOSIDEDSTENCILMODE),
    __CLAMP_RS(CCW_STENCILFAIL, 1, 8),
    __CLAMP_RS(CCW_STENCILZFAIL, 1, 8),
    __CLAMP_RS(CCW_STENCILPASS, 1, 8),
    __CLAMP_RS(CCW_STENCILFUNC, 1, 8),
    __TO_DETERMINE_RS(COLORWRITEENABLE1, 0, 15),
    __TO_DETERMINE_RS(COLORWRITEENABLE2, 0, 15),
    __TO_DETERMINE_RS(COLORWRITEENABLE3, 0, 15),
    __NO_LIMIT_RS(BLENDFACTOR),
    __BOOLEAN_RS(SRGBWRITEENABLE),
    __NO_LIMIT_RS(DEPTHBIAS),
    __TO_DETERMINE_RS(WRAP8, 0, 15),
    __TO_DETERMINE_RS(WRAP9, 0, 15),
    __TO_DETERMINE_RS(WRAP10, 0, 15),
    __TO_DETERMINE_RS(WRAP11, 0, 15),
    __TO_DETERMINE_RS(WRAP12, 0, 15),
    __TO_DETERMINE_RS(WRAP13, 0, 15),
    __TO_DETERMINE_RS(WRAP14, 0, 15),
    __TO_DETERMINE_RS(WRAP15, 0, 15),
    __BOOLEAN_RS(SEPARATEALPHABLENDENABLE),
    __RANGE_DEF_VAL_RS(SRCBLENDALPHA, 1, 17, D3DBLEND_ZERO),
    __RANGE_DEF_VAL_RS(DESTBLENDALPHA, 1, 17, D3DBLEND_ZERO),
    __CLAMP_RS(BLENDOPALPHA, 1, 5)
};

static DWORD inline
nine_fix_render_state_value(D3DRENDERSTATETYPE State,
                            DWORD Value)
{
    struct nine_state_behaviour behaviour = render_state_limits_table[State];

    switch (behaviour.state_value_behaviour) {
    case NINE_STATE_NO_LIMIT:
        break;
    case NINE_STATE_CLAMP:
        if (Value < behaviour.u.clamp.min)
            Value = behaviour.u.clamp.min;
        else if (Value > behaviour.u.clamp.max)
            Value = behaviour.u.clamp.max;
        break;
    case NINE_STATE_BOOL:
        Value = Value ? 1 : 0;
        break;
    case NINE_STATE_MASK:
        Value = Value & behaviour.u.mask;
        break;
    case NINE_STATE_RANGE_DEF_VAL:
        if (Value < behaviour.u.range_def_val.min || Value > behaviour.u.range_def_val.max)
            Value = behaviour.u.range_def_val.default_val;
        break;
    }

    return Value;
}

#endif /* _NINE_HELPERS_H_ */