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video/model3: Texture enable has been wrong since 2003. Wow. (nw)

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This commit is contained in:
Ville Linde 2014-10-18 19:25:42 +00:00
parent 865b182499
commit c47dc0a3df
1 changed files with 18 additions and 13 deletions
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31
src/mame/video/model3.c
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@ -404,7 +404,11 @@ WRITE64_MEMBER(model3_state::model3_tile_w)
0xF1180000: ?
0xF1180004: ?
0xF1180008: ?
0xF1180008: ? lostwsga: writes 0x7f010000
lemans24, magtruck, von2, lamachin: writes 0xee000000
bass, vs2, harley, scud, skichamp, fvipers2, eca: writes 0xef000000
srally2, swtrilgy: writes 0x70010000
daytona2: writes 0x4f010000
0xF1180010: VBL IRQ acknowledge
@ -838,14 +842,15 @@ cached_texture *model3_state::get_texture(int page, int texx, int texy, int texw
-------- -------- -------- -xx----- ?
0x06: x------- -------- -------- -------- Texture contour enable
-----x-- -------- -------- -------- Texture enable
-xxxxxxx -------- -------- -------- Specularity?
-------- x------- -------- -------- 1 = disable transparency?
-------- -xxxxx-- -------- -------- Polygon transparency (0 = fully transparent)
-------- -------x -------- -------- 1 = disable lighting
-------- -------- xxxxx--- -------- Polygon luminosity
-------- -------- -----x-- -------- Texture enable
-------- -------- ------xx x------- Texture format
-------- -------- -------- -------x Alpha enable?
-xxxx-xx ------x- -----x-- -xxxxxx- ?
-------- ------x- -------- -xxxxxx- ?
Vertex entry
@ -1302,7 +1307,7 @@ void model3_state::draw_model(UINT32 addr)
while (!last_polygon)
{
float texture_coord_scale;
UINT16 color;
UINT32 color;
VECTOR3 normal;
VECTOR3 sn;
VECTOR p[4];
@ -1476,7 +1481,7 @@ void model3_state::draw_model(UINT32 addr)
cached_texture* texture;
if (header[6] & 0x4000000)
if (header[6] & 0x0000400)
{
int tex_x = ((header[4] & 0x1f) << 1) | ((header[5] >> 7) & 0x1);
int tex_y = (header[5] & 0x1f);
@ -1502,11 +1507,11 @@ void model3_state::draw_model(UINT32 addr)
tri.texture = texture;
tri.transparency = polygon_transparency;
tri.color = color >> 8;
tri.color = color;
tri.param = 0;
tri.param |= (header[4] & 0x40) ? TRI_PARAM_TEXTURE_PAGE : 0;
tri.param |= (header[6] & 0x4000000) ? TRI_PARAM_TEXTURE_ENABLE : 0;
tri.param |= (header[6] & 0x00000400) ? TRI_PARAM_TEXTURE_ENABLE : 0;
tri.param |= (header[2] & 0x2) ? TRI_PARAM_TEXTURE_MIRROR_U : 0;
tri.param |= (header[2] & 0x1) ? TRI_PARAM_TEXTURE_MIRROR_V : 0;
tri.param |= (header[6] & 0x80000000) ? TRI_PARAM_ALPHA_TEST : 0;
@ -1844,9 +1849,9 @@ void model3_renderer::draw_scanline_solid(INT32 scanline, const extent_t &extent
float in = extent.param[1].start;
float inz = extent.param[1].dpdx;
int r = polydata.color & 0xff0000;
int g = polydata.color & 0xff00;
int b = polydata.color & 0xff;
int pr = polydata.color & 0xff0000;
int pg = polydata.color & 0xff00;
int pb = polydata.color & 0xff;
int srctrans = polydata.transparency;
int desttrans = 32 - polydata.transparency;
@ -1857,9 +1862,9 @@ void model3_renderer::draw_scanline_solid(INT32 scanline, const extent_t &extent
{
int ii = (int)(in);
r = (r * ii) >> 8;
g = (g * ii) >> 8;
b = (b * ii) >> 8;
int r = (pr * ii) >> 8;
int g = (pg * ii) >> 8;
int b = (pb * ii) >> 8;
if (srctrans != 0x1f)
{