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zeus2: Better quad size selection (nw)

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This commit is contained in:
Ted Green 2016-06-23 10:13:25 -06:00
parent 5e41005381
commit dce9779388
1 changed files with 10 additions and 8 deletions
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18
src/devices/video/zeus2.cpp
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@ -668,7 +668,7 @@ if (subregdata_count[which] < 256)
{
case 0x40:
m_renderMode = value;
zeus_quad_size = (m_renderMode == 0) ? 10 : 14;
zeus_quad_size = (m_renderMode & 0x4) ? 14 : 10;
if (logit)
logerror("\tRender Mode = %06X", m_renderMode);
//printf("\tRender Mode = %06X\n", m_renderMode);
@ -843,7 +843,7 @@ int zeus2_device::zeus2_fifo_process(const UINT32 *data, int numwords)
case 0x25:
if (log_fifo)
log_fifo_command(data, numwords, "\n");
zeus_quad_size = 14;
//zeus_quad_size = 14;
break;
/* 0x31: sync pipeline? (thegrid) */
@ -852,7 +852,7 @@ int zeus2_device::zeus2_fifo_process(const UINT32 *data, int numwords)
case 0x32:
if (log_fifo)
log_fifo_command(data, numwords, "\n");
zeus_quad_size = 10;
//zeus_quad_size = 10;
break;
/* 0x38: direct render quad (crusnexo) */
@ -964,9 +964,9 @@ void zeus2_device::zeus2_draw_model(UINT32 baseaddr, UINT16 count, int logit)
case 0x2d: // atlantis
//texdata = m_renderRegs[0x14];
texdata = databuffer[1];
//texdata = databuffer[1];
//databuffer[1] = m_renderRegs[0x14];
databuffer[1] = 0;
//databuffer[1] = 0;
//poly->zeus2_draw_quad(&databuffer[1], texoffs, logit);
poly->zeus2_draw_quad(databuffer, texdata, logit);
break;
@ -1007,7 +1007,6 @@ void zeus2_renderer::zeus2_draw_quad(const UINT32 *databuffer, UINT32 texdata, i
int i;
// INT16 normal[3];
// INT32 rotnormal[3];
int texmode = texdata & 0xffff;
if (logit)
m_state->logerror("quad %d\n", m_state->zeus_quad_size);
@ -1066,8 +1065,9 @@ void zeus2_renderer::zeus2_draw_quad(const UINT32 *databuffer, UINT32 texdata, i
UINT32 renderMode = m_state->m_renderMode;
// Altantis rendermode: 0x024004 startup, then 0x020202, then 0x021E0E
/* extract raw x,y,z */
if (1 && ((renderMode == 0x024004) || (renderMode == 0x021E0E))) {
// Atlantis quad 14
if (m_state->zeus_quad_size==14) {
// Atlantis quad 14
texdata = databuffer[1];
vert[0].x = (INT16)databuffer[2];
vert[0].y = (INT16)databuffer[3];
vert[0].p[0] = (INT16)databuffer[4];
@ -1150,6 +1150,7 @@ void zeus2_renderer::zeus2_draw_quad(const UINT32 *databuffer, UINT32 texdata, i
vert[3].p[1] = (UINT16)databuffer[7];
vert[3].p[2] = (UINT16)(databuffer[7] >> 16);
*/
for (i = 0; i < 4; i++)
{
float x = vert[i].x;
@ -1213,6 +1214,7 @@ void zeus2_renderer::zeus2_draw_quad(const UINT32 *databuffer, UINT32 texdata, i
}
zeus2_poly_extra_data& extra = this->object_data_alloc();
int texmode = texdata & 0xffff;
switch (texmode)
{
//case 0x18e: // atlantis