1 /*
2 * Copyright 2011 Joakim Sindholt <[email protected]>
3 * Copyright Axel Davy <[email protected]>
4 * SPDX-License-Identifier: MIT
5 */
6
7 #ifndef _NINE_FF_H_
8 #define _NINE_FF_H_
9
10 #include "device9.h"
11 #include "vertexdeclaration9.h"
12
13 bool nine_ff_init(struct NineDevice9 *);
14 void nine_ff_fini(struct NineDevice9 *);
15
16 void nine_ff_update(struct NineDevice9 *);
17
18 void
19 nine_d3d_matrix_matrix_mul(D3DMATRIX *, const D3DMATRIX *, const D3DMATRIX *);
20
21 void
22 nine_d3d_vector4_matrix_mul(D3DVECTOR *, const D3DVECTOR *, const D3DMATRIX *);
23 void
24 nine_d3d_vector3_matrix_mul(D3DVECTOR *, const D3DVECTOR *, const D3DMATRIX *);
25
26 float
27 nine_d3d_matrix_det(const D3DMATRIX *);
28
29 void
30 nine_d3d_matrix_inverse(D3DMATRIX *, const D3DMATRIX *);
31
32 void
33 nine_d3d_matrix_transpose(D3DMATRIX *, const D3DMATRIX *);
34
35 #define NINED3DTSS_TCI_DISABLE 0
36 #define NINED3DTSS_TCI_PASSTHRU 1
37 #define NINED3DTSS_TCI_CAMERASPACENORMAL 2
38 #define NINED3DTSS_TCI_CAMERASPACEPOSITION 3
39 #define NINED3DTSS_TCI_CAMERASPACEREFLECTIONVECTOR 4
40 #define NINED3DTSS_TCI_SPHEREMAP 5
41
42 static inline unsigned
nine_decltype_get_dim(BYTE type)43 nine_decltype_get_dim(BYTE type)
44 {
45 switch (type) {
46 case D3DDECLTYPE_FLOAT1: return 1;
47 case D3DDECLTYPE_FLOAT2: return 2;
48 case D3DDECLTYPE_FLOAT3: return 3;
49 case D3DDECLTYPE_FLOAT4: return 4;
50 case D3DDECLTYPE_D3DCOLOR: return 1;
51 case D3DDECLTYPE_UBYTE4: return 4;
52 case D3DDECLTYPE_SHORT2: return 2;
53 case D3DDECLTYPE_SHORT4: return 4;
54 case D3DDECLTYPE_UBYTE4N: return 4;
55 case D3DDECLTYPE_SHORT2N: return 2;
56 case D3DDECLTYPE_SHORT4N: return 4;
57 case D3DDECLTYPE_USHORT2N: return 2;
58 case D3DDECLTYPE_USHORT4N: return 4;
59 case D3DDECLTYPE_UDEC3: return 3;
60 case D3DDECLTYPE_DEC3N: return 3;
61 case D3DDECLTYPE_FLOAT16_2: return 2;
62 case D3DDECLTYPE_FLOAT16_4: return 4;
63 default:
64 assert(!"Implementation error !");
65 }
66 return 0;
67 }
68
69 static inline uint16_t
nine_ff_get_projected_key(struct nine_context * context,unsigned num_stages)70 nine_ff_get_projected_key(struct nine_context *context, unsigned num_stages)
71 {
72 unsigned s, i;
73 uint16_t projected = 0;
74 int8_t input_texture_coord[num_stages];
75 memset(&input_texture_coord, 0, sizeof(input_texture_coord));
76
77 if (context->vdecl) {
78 for (i = 0; i < context->vdecl->nelems; i++) {
79 uint16_t usage = context->vdecl->usage_map[i];
80 if (usage % NINE_DECLUSAGE_COUNT == NINE_DECLUSAGE_TEXCOORD) {
81 s = usage / NINE_DECLUSAGE_COUNT;
82 if (s < num_stages)
83 input_texture_coord[s] = nine_decltype_get_dim(context->vdecl->decls[i].Type);
84 }
85 }
86 }
87
88 for (s = 0; s < num_stages; ++s) {
89 unsigned gen = (context->ff.tex_stage[s][D3DTSS_TEXCOORDINDEX] >> 16) + 1;
90 unsigned dim = context->ff.tex_stage[s][D3DTSS_TEXTURETRANSFORMFLAGS] & 0x7;
91 unsigned idx = context->ff.tex_stage[s][D3DTSS_TEXCOORDINDEX] & 7;
92 unsigned proj = !!(context->ff.tex_stage[s][D3DTSS_TEXTURETRANSFORMFLAGS] & D3DTTFF_PROJECTED);
93
94 if (!context->programmable_vs) {
95 if (dim > 4)
96 dim = input_texture_coord[idx];
97
98 if (!dim && gen == NINED3DTSS_TCI_PASSTHRU)
99 dim = input_texture_coord[idx];
100 else if (!dim)
101 dim = 4;
102
103 if (dim == 1) /* NV behaviour */
104 proj = 0;
105 if (dim > input_texture_coord[idx] && gen == NINED3DTSS_TCI_PASSTHRU)
106 proj = 0;
107 } else {
108 dim = 4;
109 }
110 if (proj)
111 projected |= (dim-1) << (2 * s);
112 }
113 return projected;
114 }
115
116 static inline uint16_t
nine_ff_get_projected_key_ff(struct nine_context * context)117 nine_ff_get_projected_key_ff(struct nine_context *context)
118 {
119 /* 8 stages */
120 return nine_ff_get_projected_key(context, 8);
121 }
122
123 static inline uint8_t
nine_ff_get_projected_key_programmable(struct nine_context * context)124 nine_ff_get_projected_key_programmable(struct nine_context *context)
125 {
126 /* We only look at the 4 stages because this function
127 * is used only for ps 1.1-3, where only the first four
128 * slots are available */
129 return (uint8_t)nine_ff_get_projected_key(context, 4);
130 }
131
132 #endif /* _NINE_FF_H_ */
133