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#ifndef _NINE_FF_H_
#define _NINE_FF_H_
#include "device9.h"
#include "vertexdeclaration9.h"
boolean nine_ff_init(struct NineDevice9 *);
void nine_ff_fini(struct NineDevice9 *);
void nine_ff_update(struct NineDevice9 *);
void
nine_d3d_matrix_matrix_mul(D3DMATRIX *, const D3DMATRIX *, const D3DMATRIX *);
void
nine_d3d_vector4_matrix_mul(D3DVECTOR *, const D3DVECTOR *, const D3DMATRIX *);
void
nine_d3d_vector3_matrix_mul(D3DVECTOR *, const D3DVECTOR *, const D3DMATRIX *);
float
nine_d3d_matrix_det(const D3DMATRIX *);
void
nine_d3d_matrix_inverse(D3DMATRIX *, const D3DMATRIX *);
void
nine_d3d_matrix_transpose(D3DMATRIX *, const D3DMATRIX *);
#define NINED3DTSS_TCI_DISABLE 0
#define NINED3DTSS_TCI_PASSTHRU 1
#define NINED3DTSS_TCI_CAMERASPACENORMAL 2
#define NINED3DTSS_TCI_CAMERASPACEPOSITION 3
#define NINED3DTSS_TCI_CAMERASPACEREFLECTIONVECTOR 4
#define NINED3DTSS_TCI_SPHEREMAP 5
static inline unsigned
nine_decltype_get_dim(BYTE type)
{
switch (type) {
case D3DDECLTYPE_FLOAT1: return 1;
case D3DDECLTYPE_FLOAT2: return 2;
case D3DDECLTYPE_FLOAT3: return 3;
case D3DDECLTYPE_FLOAT4: return 4;
case D3DDECLTYPE_D3DCOLOR: return 1;
case D3DDECLTYPE_UBYTE4: return 4;
case D3DDECLTYPE_SHORT2: return 2;
case D3DDECLTYPE_SHORT4: return 4;
case D3DDECLTYPE_UBYTE4N: return 4;
case D3DDECLTYPE_SHORT2N: return 2;
case D3DDECLTYPE_SHORT4N: return 4;
case D3DDECLTYPE_USHORT2N: return 2;
case D3DDECLTYPE_USHORT4N: return 4;
case D3DDECLTYPE_UDEC3: return 3;
case D3DDECLTYPE_DEC3N: return 3;
case D3DDECLTYPE_FLOAT16_2: return 2;
case D3DDECLTYPE_FLOAT16_4: return 4;
default:
assert(!"Implementation error !");
}
return 0;
}
static inline uint16_t
nine_ff_get_projected_key(struct nine_state *state)
{
unsigned s, i;
uint16_t projected = 0;
char input_texture_coord[8];
memset(&input_texture_coord, 0, sizeof(input_texture_coord));
if (state->vdecl) {
for (i = 0; i < state->vdecl->nelems; i++) {
uint16_t usage = state->vdecl->usage_map[i];
if (usage % NINE_DECLUSAGE_COUNT == NINE_DECLUSAGE_TEXCOORD) {
s = usage / NINE_DECLUSAGE_COUNT;
if (s < 8)
input_texture_coord[s] = nine_decltype_get_dim(state->vdecl->decls[i].Type);
}
}
}
for (s = 0; s < 8; ++s) {
unsigned gen = (state->ff.tex_stage[s][D3DTSS_TEXCOORDINDEX] >> 16) + 1;
unsigned dim = state->ff.tex_stage[s][D3DTSS_TEXTURETRANSFORMFLAGS] & 0x7;
unsigned proj = !!(state->ff.tex_stage[s][D3DTSS_TEXTURETRANSFORMFLAGS] & D3DTTFF_PROJECTED);
if (!state->vs) {
if (dim > 4)
dim = input_texture_coord[s];
if (!dim && gen == NINED3DTSS_TCI_PASSTHRU)
dim = input_texture_coord[s];
else if (!dim)
dim = 4;
if (dim == 1) /* NV behaviour */
proj = 0;
if (dim > input_texture_coord[s] && gen == NINED3DTSS_TCI_PASSTHRU)
proj = 0;
} else {
dim = 4;
}
if (proj)
projected |= (dim-1) << (2 * s);
}
return projected;
}
#endif /* _NINE_FF_H_ */
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