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gitadora: (arena model) booting fullscreen with one monitor (#696)

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## Link to GitHub Issue or related Pull Request, if one exists
#477 

## Description of change
By default the game needs 4 monitors.

With the new option to disable subscreens, you can now boot fullscreen
with a single 4K monitor, with subscreen overlay enabled. Side monitors
are not shown in the overlay; only the touch screen is emulated.

## Future work

- [ ] custom resolution (-forceres) doesn't work properly (hooking
ResetEx does allow the game to boot but will render incorrectly;
probably needs hex edits)
- [x] enable this automatically if the user has fewer than 4 monitors
- [ ] ability to boot with a 4k main screen + small subscreen (with no
side screens which do nothing gameplay wise), but this whole display
emulation is a nightmare to work with & test thoroughly so it'll have to
be in the future.


## Testing
Checklist:

- [x] fs on 1 monitor with option set
- [x] fs on 2 monitor with option set
- [x] windowed - default (4 windows, no overlay)
- [x] windowed - with option set (1 window, overlay)
- [x] fs with 4 monitors?
- [x] check popn hc for regression
This commit is contained in:
bicarus
2026-05-18 15:28:12 -07:00
committed by GitHub
parent e9dcc5717e
commit f69e40fa26
13 changed files with 425 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/spice2x/hooks/graphics/backends/d3d9/d3d9_device.cpp
+48 -26
View File
@@ -129,13 +129,17 @@ ULONG STDMETHODCALLTYPE WrappedIDirect3DDevice9::Release() {
this->main_swapchain->Release();
this->main_swapchain = nullptr;
}
if (this->sub_swapchain) {
this->sub_swapchain->Release();
this->sub_swapchain = nullptr;
for (auto &sc : this->sub_swapchain) {
if (sc) {
sc->Release();
sc = nullptr;
}
}
if (this->fake_sub_swapchain) {
this->fake_sub_swapchain->Release();
this->fake_sub_swapchain = nullptr;
for (auto &sc : this->fake_sub_swapchain) {
if (sc) {
sc->Release();
sc = nullptr;
}
}
if (overlay::ENABLED) {
@@ -250,27 +254,47 @@ HRESULT STDMETHODCALLTYPE WrappedIDirect3DDevice9::CreateAdditionalSwapChain(
WRAP_VERBOSE;
HRESULT hr = pReal->CreateAdditionalSwapChain(pPresentationParameters, ppSwapChain);
int index = 0;
bool create_swap_chain = false;
if (avs::game::is_model({"LDJ", "KFC", "M39"})) {
create_swap_chain = true;
} else if (games::gitadora::is_arena_model() &&
games::gitadora::ARENA_SINGLE_WINDOW &&
pPresentationParameters->BackBufferWidth == 800) {
create_swap_chain = true;
(GRAPHICS_FORCE_SINGLE_ADAPTER || GRAPHICS_PREVENT_SECONDARY_WINDOW)) {
if (pPresentationParameters->BackBufferWidth == 800) {
// SMALL (subscreen)
create_swap_chain = true;
index = 0;
} else if (pPresentationParameters->BackBufferWidth == 1080) {
// LEFT/RIGHT
create_swap_chain = true;
index = 1;
if (sub_swapchain[index] || fake_sub_swapchain[index]) {
index = 2;
}
} else {
log_warning("graphics::d3d9", "unknown swap chain detected in CreateAdditionalSwapChain");
}
}
if (create_swap_chain) {
if (SUCCEEDED(hr) && !sub_swapchain) {
sub_swapchain = new WrappedIDirect3DSwapChain9(this, *ppSwapChain);
sub_swapchain->should_run_hooks = false;
} else if (FAILED(hr) && !fake_sub_swapchain) {
log_misc(
"graphics::d3d9",
"CreateAdditionalSwapChain called for swap chain {}, creating swap chain",
index);
if (SUCCEEDED(hr) && !sub_swapchain[index]) {
sub_swapchain[index] = new WrappedIDirect3DSwapChain9(this, *ppSwapChain);
sub_swapchain[index]->should_run_hooks = false;
} else if (FAILED(hr) && !fake_sub_swapchain[index]) {
log_warning("graphics::d3d9",
"failed to create sub swap chain, hr={}, using fake swap chain",
FMT_HRESULT(hr));
fake_sub_swapchain = new FakeIDirect3DSwapChain9(this, pPresentationParameters, false);
fake_sub_swapchain->AddRef();
*ppSwapChain = static_cast<IDirect3DSwapChain9 *>(fake_sub_swapchain);
fake_sub_swapchain[index] = new FakeIDirect3DSwapChain9(this, pPresentationParameters, false);
fake_sub_swapchain[index]->AddRef();
*ppSwapChain = static_cast<IDirect3DSwapChain9 *>(fake_sub_swapchain[index]);
return D3D_OK;
}
@@ -308,22 +332,20 @@ HRESULT STDMETHODCALLTYPE WrappedIDirect3DDevice9::GetSwapChain(
if (iSwapChain == 1 && avs::game::is_model({"LDJ", "KFC", "M39"})) {
swap = true;
}
if (games::gitadora::is_arena_model() &&
games::gitadora::ARENA_SINGLE_WINDOW &&
iSwapChain == 3) {
if (games::gitadora::is_arena_model() && iSwapChain == 2) {
swap = true;
}
if (swap) {
if (sub_swapchain) {
sub_swapchain->AddRef();
*ppSwapChain = static_cast<IDirect3DSwapChain9 *>(sub_swapchain);
if (sub_swapchain[0]) {
sub_swapchain[0]->AddRef();
*ppSwapChain = static_cast<IDirect3DSwapChain9 *>(sub_swapchain[0]);
graphics_screens_register(iSwapChain);
return D3D_OK;
} else if (fake_sub_swapchain) {
fake_sub_swapchain->AddRef();
*ppSwapChain = static_cast<IDirect3DSwapChain9 *>(fake_sub_swapchain);
} else if (fake_sub_swapchain[0]) {
fake_sub_swapchain[0]->AddRef();
*ppSwapChain = static_cast<IDirect3DSwapChain9 *>(fake_sub_swapchain[0]);
graphics_screens_register(iSwapChain);
return D3D_OK;
@@ -344,7 +366,7 @@ UINT STDMETHODCALLTYPE WrappedIDirect3DDevice9::GetNumberOfSwapChains() {
UINT n = pReal->GetNumberOfSwapChains();
if (sub_swapchain && avs::game::is_model({"LDJ", "KFC", "M39"})) {
if (sub_swapchain[0] && avs::game::is_model({"LDJ", "KFC", "M39"})) {
n += 1;
}