Miroirs/mame
1
0
Fork 0
mirror of https://github.com/mamedev/mame.git synced 2024-11-16 07:48:32 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

sega/powervr2.cpp: apply portions of PR #7746 to newest code

Browse source
This commit is contained in:
angelosa 2023-05-09 19:45:37 +02:00
parent 311289f457
commit 71de1ddb2e
2 changed files with 50 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

53
src/mame/sega/powervr2.cpp
View file

@ -996,9 +996,33 @@ void powervr2_device::softreset_w(offs_t offset, uint32_t data, uint32_t mem_mas
}
}
void powervr2_device::startrender_w(address_space &space, uint32_t data)
void powervr2_device::startrender_w(address_space& space, uint32_t data)
{
if (m_render_request)
{
int result;
do
{
result = osd_work_item_wait(m_render_request, 1000);
//printf("waiting\n");
} while (result == 0);
osd_work_item_release(m_render_request);
}
m_render_request = osd_work_item_queue(m_work_queue, blit_request_callback, (void*)this, 0);
dc_state *state = machine().driver_data<dc_state>();
// hacky end of render delay for Capcom games, otherwise they works at ~1/10 speed
int sanitycount = 1500;
endofrender_timer_isp->adjust(state->m_maincpu->cycles_to_attotime(sanitycount*25 + 2000000)); // hacky end of render delay for Capcom games, otherwise they works at ~1/10 speed
}
void powervr2_device::startrender_real_w(address_space &space)
{
//dc_state *state = machine().driver_data<dc_state>();
auto profile = g_profiler.start(PROFILER_USER1);
LOGTACMD("Start render, region=%08x, params=%08x\n", region_base, param_base);
@ -1014,7 +1038,7 @@ void powervr2_device::startrender_w(address_space &space, uint32_t data)
grab[a].fbwsof1 = fb_w_sof1;
grab[a].fbwsof2 = fb_w_sof2;
rectangle clip(0, 1023, 0, 1023);
rectangle clip(0, 640, 0, 480);
// we've got a request to draw, so, draw to the accumulation buffer!
// this should really be done for each tile!
@ -1074,16 +1098,26 @@ void powervr2_device::startrender_w(address_space &space, uint32_t data)
// vbl-in and expect that it completes after some time that vbl-out kicks in,
// in order to have enough time to execute logic stuff in the meantime.
// const u64 isp_completion = sanitycount * 25 + 500000;
const u64 isp_completion = sanitycount * 25 + 2000000;
LOGIRQ("[%d] ISP end of render start %d in %d cycles\n",
screen().frame_number(), screen().vpos(), isp_completion
);
endofrender_timer_isp->adjust(state->m_maincpu->cycles_to_attotime(isp_completion));
//const u64 isp_completion = sanitycount * 25 + 2000000;
//LOGIRQ("[%d] ISP end of render start %d in %d cycles\n",
// screen().frame_number(), screen().vpos(), isp_completion
//);
//endofrender_timer_isp->adjust(state->m_maincpu->cycles_to_attotime(isp_completion));
break;
}
}
}
void *powervr2_device::blit_request_callback(void *param, int threadid)
{
powervr2_device *object = reinterpret_cast<powervr2_device *>(param);
dc_state *state = object->machine().driver_data<dc_state>();
address_space &space = state->m_maincpu->space(AS_PROGRAM);
object->startrender_real_w(space);
return nullptr;
}
uint32_t powervr2_device::param_base_r()
{
@ -4045,6 +4079,9 @@ void powervr2_device::device_start()
save_pointer(NAME(tafifo_buff),32);
save_item(NAME(scanline));
save_item(NAME(next_y));
m_work_queue = nullptr;
m_render_request = nullptr;
}
void powervr2_device::device_reset()
@ -4082,6 +4119,8 @@ void powervr2_device::device_reset()
dc_state *state = machine().driver_data<dc_state>();
dc_texture_ram = state->dc_texture_ram.target();
dc_framebuffer_ram = state->dc_framebuffer_ram.target();
m_work_queue = osd_work_queue_alloc(WORK_QUEUE_FLAG_HIGH_FREQ);
}
/* called by TIMER_ADD_PERIODIC, in driver sections (controlled by SPG, that's a PVR sub-device) */

4
src/mame/sega/powervr2.h
View file

@ -197,12 +197,16 @@ public:
uint32_t tafifo_buff[32];
int scanline;
int next_y;
osd_work_queue *m_work_queue;
osd_work_item *m_render_request;
static void *blit_request_callback(void *param, int threadid);
uint32_t id_r();
uint32_t revision_r();
uint32_t softreset_r();
void softreset_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
void startrender_w(address_space &space, uint32_t data);
void startrender_real_w(address_space &space);
uint32_t param_base_r();
void param_base_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t region_base_r();