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Naomi renderer: render sprites as polys. Add bitsliced alpha.

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This commit is contained in:
Olivier Galibert 2009-05-05 21:42:30 +00:00
parent a770f077d0
commit 08ed5c16e6
1 changed files with 62 additions and 7 deletions
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69
src/mame/video/dc.c
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@ -1081,6 +1081,7 @@ void process_ta_fifo(running_machine* machine)
#endif
if (state_ta.texture == 1)
{
#if 0
testsprites* testsprite;
#if DEBUG_PVRDLIST
mame_printf_verbose(" A(%f,%f) B(%f,%f) C(%f,%f)\n",u2f(tafifo_buff[13] & 0xffff0000),u2f((tafifo_buff[13] & 0xffff) << 16),u2f(tafifo_buff[14] & 0xffff0000),u2f((tafifo_buff[14] & 0xffff) << 16),u2f(tafifo_buff[15] & 0xffff0000),u2f((tafifo_buff[15] & 0xffff) << 16));
@ -1173,6 +1174,54 @@ void process_ta_fifo(running_machine* machine)
tex_get_info(&testsprite->ti, &state_ta);
state_ta.grab[state_ta.grabsel].testsprites_size++;
#else
if (state_ta.grab[state_ta.grabsel].testvertices_size <= 65530)
{
teststrips *ts;
testvertices *tv = &state_ta.grab[state_ta.grabsel].showvertices[state_ta.grab[state_ta.grabsel].testvertices_size];
tv[0].x = u2f(tafifo_buff[0x1]);
tv[0].y = u2f(tafifo_buff[0x2]);
tv[0].w = u2f(tafifo_buff[0x3]);
tv[1].x = u2f(tafifo_buff[0x4]);
tv[1].y = u2f(tafifo_buff[0x5]);
tv[1].w = u2f(tafifo_buff[0x6]);
tv[3].x = u2f(tafifo_buff[0x7]);
tv[3].y = u2f(tafifo_buff[0x8]);
tv[3].w = u2f(tafifo_buff[0x9]);
tv[2].x = u2f(tafifo_buff[0xa]);
tv[2].y = u2f(tafifo_buff[0xb]);
tv[2].w = tv[0].w+tv[3].w-tv[1].w;
tv[0].u = u2f(tafifo_buff[0xd] & 0xffff0000);
tv[0].v = u2f(tafifo_buff[0xd] << 16);
tv[1].u = u2f(tafifo_buff[0xe] & 0xffff0000);
tv[1].v = u2f(tafifo_buff[0xe] << 16);
tv[3].u = u2f(tafifo_buff[0xf] & 0xffff0000);
tv[3].v = u2f(tafifo_buff[0xf] << 16);
tv[2].u = tv[0].u+tv[3].u-tv[1].u;
tv[2].v = tv[0].v+tv[3].v-tv[1].v;
#if 0
fprintf(stderr, "(%f, %f)-(%f, %f)-(%f, %f)-(%f, %f) [%f %f %f]\n",
tv[0].x, tv[0].y,
tv[1].x, tv[1].y,
tv[2].x, tv[2].y,
tv[3].x, tv[3].y,
tv[0].w, tv[1].w, tv[2].w);
fprintf(stderr, "[%f, %f]-[%f, %f]-[%f, %f]-[%f, %f]\n",
tv[0].u, tv[0].v,
tv[1].u, tv[1].v,
tv[2].u, tv[2].v,
tv[3].u, tv[3].v);
#endif
ts = &state_ta.grab[state_ta.grabsel].showstrips[state_ta.grab[state_ta.grabsel].teststrips_size++];
tex_get_info(&ts->ti, &state_ta);
ts->svert = state_ta.grab[state_ta.grabsel].testvertices_size;
ts->evert = ts->svert + 3;
state_ta.grab[state_ta.grabsel].testvertices_size += 4;
}
#endif
}
}
else if (state_ta.global_paratype == 4)
@ -1352,6 +1401,7 @@ render_bounds line, clip;
}
}
}
void render_hline(bitmap_t *bitmap, texinfo *ti, int y, float xl, float xr, float ul, float ur, float vl, float vr, float wl, float wr)
{
int xxl, xxr;
@ -1394,16 +1444,21 @@ void render_hline(bitmap_t *bitmap, texinfo *ti, int y, float xl, float xr, floa
while(xxl < xxr) {
if((wl > *wbufline)) {
UINT32 c;
float u = ul/wl;
float v = vl/wl;
float u = ul/wl+0.5;
float v = vl/wl+0.5;
c = ti->r(ti, u, v);
// alpha_blend_r32(*tdata, c & 0xffffff, c >> 24);
if(c & 0x80000000) {
if((c & 0xff000000) == 0xff000000) {
*wbufline = wl;
*tdata = c;
} else if(c & 0xff000000) {
int a = (c >> 24)+1;
int ca = 256-a;
UINT32 c2 = *tdata;
*tdata = ((((c & 0xff00ff)*a + (c2 & 0xff00ff)*ca) & 0xff00ff00) |
(((c & 0xff00)*a + (c2 & 0xff00)*ca) & 0xff0000)) >> 8;
}
}
wbufline++;
tdata++;
@ -1426,8 +1481,8 @@ void render_span(bitmap_t *bitmap, texinfo *ti,
float dvldy, float dvrdy,
float dwldy, float dwrdy)
{
if(y1 > 480-1)
y1 = 480-1;
if(y1 > 480)
y1 = 480;
if(y1 <= 0) {
*xl += dxldy*(y1-y0);
*xr += dxrdy*(y1-y0);