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track RDP RDRAM writes (#259)

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* track RDP RDRAM writes

* more

* more

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* more

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This commit is contained in:
Logan McNaughton
2025-02-17 22:13:45 +01:00
committed by GitHub
parent 17990dfebc
commit 656e390171
7 changed files with 108 additions and 4 deletions
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parallel-rdp/interface.cpp
+89 -4
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@@ -64,6 +64,15 @@ static CALL_BACK callback;
static GFX_INFO gfx_info;
static uint32_t region;
static uint32_t depthbuffer_address;
static uint32_t framebuffer_address;
static uint32_t framebuffer_pixel_size;
static uint32_t framebuffer_width;
static uint32_t framebuffer_height;
static uint8_t depthbuffer_enabled;
static uint8_t *rdram_dirty;
static uint64_t sync_signal;
static const unsigned cmd_len_lut[64] = {
1,
1,
@@ -234,10 +243,20 @@ void rdp_init(void *_window, GFX_INFO _gfx_info, bool _upscale, bool _integer_sc
callback.emu_running = true;
callback.enable_speedlimiter = true;
sync_signal = 0;
rdram_dirty = (uint8_t *)malloc(gfx_info.RDRAM_SIZE / 8);
memset(rdram_dirty, 0, gfx_info.RDRAM_SIZE / 8);
}
void rdp_close()
{
if (rdram_dirty)
{
free(rdram_dirty);
rdram_dirty = nullptr;
}
wsi->end_frame();
if (processor)
@@ -369,6 +388,21 @@ CALL_BACK rdp_check_callback()
return return_value;
}
void rdp_check_framebuffers(uint32_t address)
{
if (sync_signal && rdram_dirty[address >> 3])
{
processor->wait_for_timeline(sync_signal);
memset(rdram_dirty, 0, gfx_info.RDRAM_SIZE / 8);
sync_signal = 0;
}
}
void rdp_full_sync()
{
processor->wait_for_timeline(processor->signal_timeline());
}
uint64_t rdp_process_commands()
{
uint64_t interrupt_timer = 0;
@@ -430,18 +464,69 @@ uint64_t rdp_process_commands()
if (command >= 8)
processor->enqueue_command(cmd_length * 2, &cmd_data[2 * cmd_cur]);
if (RDP::Op(command) == RDP::Op::SetScissor)
if ((RDP::Op(command) >= RDP::Op::FillTriangle && RDP::Op(command) <= RDP::Op::ShadeTextureZBufferTriangle) ||
RDP::Op(command) == RDP::Op::TextureRectangle ||
RDP::Op(command) == RDP::Op::TextureRectangleFlip ||
RDP::Op(command) == RDP::Op::FillRectangle)
{
uint32_t size = 0;
switch (framebuffer_pixel_size)
{
case 0:
size = (framebuffer_width * framebuffer_height / 2) >> 3;
break;
case 1:
size = (framebuffer_width * framebuffer_height) >> 3;
break;
case 2:
size = (framebuffer_width * framebuffer_height * 2) >> 3;
break;
case 3:
size = (framebuffer_width * framebuffer_height * 4) >> 3;
break;
}
for (uint32_t i = framebuffer_address; i < framebuffer_address + size; ++i)
{
rdram_dirty[i] = 1;
}
if (depthbuffer_enabled)
{
size = (framebuffer_width * framebuffer_height * 2) >> 3;
for (uint32_t i = depthbuffer_address; i < depthbuffer_address + size; ++i)
{
rdram_dirty[i] = 1;
}
}
}
else if (RDP::Op(command) == RDP::Op::SetOtherModes)
{
depthbuffer_enabled = (w2 >> 5) & 1;
}
else if (RDP::Op(command) == RDP::Op::SetColorImage)
{
framebuffer_address = (w2 & 0x00FFFFFF) >> 3;
framebuffer_pixel_size = (w1 >> 19) & 0x3;
framebuffer_width = (w1 & 0x3FF) + 1;
}
else if (RDP::Op(command) == RDP::Op::SetMaskImage)
{
depthbuffer_address = (w2 & 0x00FFFFFF) >> 3;
}
else if (RDP::Op(command) == RDP::Op::SetScissor)
{
uint32_t upper_left_x = ((w1 >> 12) & 0xFFF) >> 2;
uint32_t upper_left_y = (w1 & 0xFFF) >> 2;
uint32_t lower_right_x = ((w2 >> 12) & 0xFFF) >> 2;
uint32_t lower_right_y = (w2 & 0xFFF) >> 2;
region = (lower_right_x - upper_left_x) * (lower_right_y - upper_left_y);
framebuffer_height = lower_right_y;
}
if (RDP::Op(command) == RDP::Op::SyncFull)
else if (RDP::Op(command) == RDP::Op::SyncFull)
{
processor->wait_for_timeline(processor->signal_timeline());
sync_signal = processor->signal_timeline();
interrupt_timer = region;
if (interrupt_timer == 0)
interrupt_timer = 5000;