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Voodoo texture processing now dependent on texturing being enabled in fbzColorPath. Fixes transparency issues in Tomb Raider, might cause speedup in games that use non-textured triangles.

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This commit is contained in:
TomW 2015-10-04 11:33:13 +01:00
commit 5e08d53c73
1 changed files with 37 additions and 29 deletions
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62
src/vid_voodoo.c
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@ -754,6 +754,11 @@ enum
CMD_SWAPBUF
};
enum
{
FBZCP_TEXTURE_ENABLED = (1 << 27)
};
static void voodoo_update_ncc(voodoo_t *voodoo)
{
int tbl;
@ -1924,39 +1929,42 @@ static void voodoo_half_triangle(voodoo_t *voodoo, voodoo_params_t *params, vood
dest_b |= (dest_b >> 5);
dest_a = 0xff;
if (params->textureMode & 1)
if (params->fbzColorPath & FBZCP_TEXTURE_ENABLED)
{
int64_t _w = 0;
if (tmu0_w)
_w = (int64_t)((1ULL << 48) / tmu0_w);
if (params->textureMode & 1)
{
int64_t _w = 0;
if (tmu0_w)
_w = (int64_t)((1ULL << 48) / tmu0_w);
state->tex_s = (int32_t)(((tmu0_s >> 14) * _w) >> 30);
state->tex_t = (int32_t)(((tmu0_t >> 14) * _w) >> 30);
state->tex_s = (int32_t)(((tmu0_s >> 14) * _w) >> 30);
state->tex_t = (int32_t)(((tmu0_t >> 14) * _w) >> 30);
// state->lod = state->tmu[0].lod + (int)(log2((double)_w / (double)(1 << 19)) * 256.0);
state->lod = state->tmu[0].lod + (fastlog(_w) - (19 << 8));
}
else
{
state->tex_s = (int32_t)(tmu0_s >> (14+14));
state->tex_t = (int32_t)(tmu0_t >> (14+14));
state->lod = state->tmu[0].lod;
}
state->lod = state->tmu[0].lod + (fastlog(_w) - (19 << 8));
}
else
{
state->tex_s = (int32_t)(tmu0_s >> (14+14));
state->tex_t = (int32_t)(tmu0_t >> (14+14));
state->lod = state->tmu[0].lod;
}
if (state->lod < state->lod_min)
state->lod = state->lod_min;
else if (state->lod > state->lod_max)
state->lod = state->lod_max;
state->lod >>= 8;
if (state->lod < state->lod_min)
state->lod = state->lod_min;
else if (state->lod > state->lod_max)
state->lod = state->lod_max;
state->lod >>= 8;
voodoo_get_texture(voodoo, params, state);
voodoo_get_texture(voodoo, params, state);
if ((params->fbzMode & FBZ_CHROMAKEY) &&
state->tex_r == params->chromaKey_r &&
state->tex_g == params->chromaKey_g &&
state->tex_b == params->chromaKey_b)
{
voodoo->fbiChromaFail++;
goto skip_pixel;
if ((params->fbzMode & FBZ_CHROMAKEY) &&
state->tex_r == params->chromaKey_r &&
state->tex_g == params->chromaKey_g &&
state->tex_b == params->chromaKey_b)
{
voodoo->fbiChromaFail++;
goto skip_pixel;
}
}
if (voodoo->trexInit1 & (1 << 18))