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graphics: custom resolution for subscreen (#553)

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## Link to GitHub Issue, if one exists
n/a

## Description of change
Allow user to specify a custom resolution for the sub monitor, in
addition to the existing refresh rate option

This would allow practically any touch monitor (including ones with
weird resolution / aspect ratio / refresh rate) to be used with
IIDX/SDVX.

## Testing
Tested with various resolution / refresh rate combinations on IIDX /
SDVX.
This commit is contained in:
bicarus
2026-02-12 17:51:38 -08:00
committed by GitHub
parent badae01357
commit f4050e9adb
6 changed files with 79 additions and 39 deletions
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src/spice2x/hooks/graphics/backends/d3d9/d3d9_backend.cpp
+39 -23
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@@ -945,26 +945,37 @@ HRESULT STDMETHODCALLTYPE WrappedIDirect3D9::CreateDeviceEx(
for (size_t i = 0; i < num_adapters; i++) {
auto *params = &pPresentationParameters[i];
if (!GRAPHICS_WINDOWED && i == 0) {
GRAPHICS_FS_ORIGINAL_WIDTH = params->BackBufferWidth;
GRAPHICS_FS_ORIGINAL_HEIGHT = params->BackBufferHeight;
log_misc("graphics::d3d9", "original resolution: {}x{}", GRAPHICS_FS_ORIGINAL_WIDTH, GRAPHICS_FS_ORIGINAL_HEIGHT);
if (GRAPHICS_FS_CUSTOM_RESOLUTION.has_value()) {
if (!GRAPHICS_WINDOWED){
if (i == 0) {
GRAPHICS_FS_ORIGINAL_WIDTH = params->BackBufferWidth;
GRAPHICS_FS_ORIGINAL_HEIGHT = params->BackBufferHeight;
log_misc("graphics::d3d9", "original resolution: {}x{}", GRAPHICS_FS_ORIGINAL_WIDTH, GRAPHICS_FS_ORIGINAL_HEIGHT);
if (GRAPHICS_FS_CUSTOM_RESOLUTION.has_value()) {
log_misc(
"graphics::d3d9",
"use custom resolution {}x{} => {}x{}",
params->BackBufferWidth, params->BackBufferHeight,
GRAPHICS_FS_CUSTOM_RESOLUTION.value().first,
GRAPHICS_FS_CUSTOM_RESOLUTION.value().second);
params->BackBufferWidth = GRAPHICS_FS_CUSTOM_RESOLUTION.value().first;
params->BackBufferHeight = GRAPHICS_FS_CUSTOM_RESOLUTION.value().second;
} else if (GRAPHICS_FS_ORIENTATION_SWAP) {
log_misc(
"graphics::d3d9",
"swap full orientation {}x{} => {}x{}",
params->BackBufferWidth, params->BackBufferHeight,
params->BackBufferHeight, params->BackBufferWidth);
std::swap(params->BackBufferWidth, params->BackBufferHeight);
}
} else if (i == 1 && GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.has_value()) {
log_misc(
"graphics::d3d9",
"use custom resolution {}x{} => {}x{}",
"use custom sub resolution {}x{} => {}x{}",
params->BackBufferWidth, params->BackBufferHeight,
GRAPHICS_FS_CUSTOM_RESOLUTION.value().first,
GRAPHICS_FS_CUSTOM_RESOLUTION.value().second);
params->BackBufferWidth = GRAPHICS_FS_CUSTOM_RESOLUTION.value().first;
params->BackBufferHeight = GRAPHICS_FS_CUSTOM_RESOLUTION.value().second;
} else if (GRAPHICS_FS_ORIENTATION_SWAP) {
log_misc(
"graphics::d3d9",
"swap full orientation {}x{} => {}x{}",
params->BackBufferWidth, params->BackBufferHeight,
params->BackBufferHeight, params->BackBufferWidth);
std::swap(params->BackBufferWidth, params->BackBufferHeight);
GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.value().first,
GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.value().second);
params->BackBufferWidth = GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.value().first;
params->BackBufferHeight = GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.value().second;
}
}
@@ -992,12 +1003,17 @@ HRESULT STDMETHODCALLTYPE WrappedIDirect3D9::CreateDeviceEx(
for (size_t i = 0; i < num_adapters; i++) {
auto *fullscreen_display_mode = &pFullscreenDisplayMode[i];
if (!GRAPHICS_WINDOWED && i == 0) {
if (GRAPHICS_FS_CUSTOM_RESOLUTION.has_value()) {
fullscreen_display_mode->Width = GRAPHICS_FS_CUSTOM_RESOLUTION.value().first;
fullscreen_display_mode->Height = GRAPHICS_FS_CUSTOM_RESOLUTION.value().second;
} else if (GRAPHICS_FS_ORIENTATION_SWAP) {
std::swap(fullscreen_display_mode->Width, fullscreen_display_mode->Height);
if (!GRAPHICS_WINDOWED) {
if (i == 0) {
if (GRAPHICS_FS_CUSTOM_RESOLUTION.has_value()) {
fullscreen_display_mode->Width = GRAPHICS_FS_CUSTOM_RESOLUTION.value().first;
fullscreen_display_mode->Height = GRAPHICS_FS_CUSTOM_RESOLUTION.value().second;
} else if (GRAPHICS_FS_ORIENTATION_SWAP) {
std::swap(fullscreen_display_mode->Width, fullscreen_display_mode->Height);
}
} else if (i == 1 && GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.has_value()) {
fullscreen_display_mode->Width = GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.value().first;
fullscreen_display_mode->Height = GRAPHICS_FS_CUSTOM_RESOLUTION_SUB.value().second;
}
}
src/spice2x/hooks/graphics/graphics.cpp
+1
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@@ -71,6 +71,7 @@ bool GRAPHICS_9_ON_12_REQUESTED_BY_GAME = false;
bool SUBSCREEN_FORCE_REDRAW = false;
bool D3D9_DEVICE_HOOK_DISABLE = false;
std::optional<std::pair<uint32_t, uint32_t>> GRAPHICS_FS_CUSTOM_RESOLUTION;
std::optional<std::pair<uint32_t, uint32_t>> GRAPHICS_FS_CUSTOM_RESOLUTION_SUB;
bool GRAPHICS_FS_ORIENTATION_SWAP = false;
uint32_t GRAPHICS_FS_ORIGINAL_WIDTH = 0;
uint32_t GRAPHICS_FS_ORIGINAL_HEIGHT = 0;
src/spice2x/hooks/graphics/graphics.h
+1
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@@ -37,6 +37,7 @@ extern std::optional<int> GRAPHICS_FORCE_VSYNC_BUFFER;
extern bool GRAPHICS_FORCE_SINGLE_ADAPTER;
extern bool GRAPHICS_PREVENT_SECONDARY_WINDOW;
extern std::optional<std::pair<uint32_t, uint32_t>> GRAPHICS_FS_CUSTOM_RESOLUTION;
extern std::optional<std::pair<uint32_t, uint32_t>> GRAPHICS_FS_CUSTOM_RESOLUTION_SUB;
extern bool GRAPHICS_FS_ORIENTATION_SWAP;
extern uint32_t GRAPHICS_FS_ORIGINAL_WIDTH;
extern uint32_t GRAPHICS_FS_ORIGINAL_HEIGHT;