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Valiantsin DzerakhandClaude Opus 5.5
fcaecabad4
The manifest declared no DPI awareness, so Windows ran the process DPI-unaware: on a 4K monitor at 150% scale the fullscreen window and its swapchain were 2560x1440, the 4K game image was shrunk to it and Windows stretched the result back up, blurred (issues #25, #56, #31). The manifest now declares PerMonitorV2 (true/pm for older Windows 10). The window frame is measured at the window's DPI, a framed window keeps its client size when it moves to a monitor at another scale, WM_DPICHANGED takes the suggested rect or keeps fullscreen over the monitor, and window_size means screen pixels. The menu's minimum text size follows the window's DPI, and the text entry dialog is measured at the game window's DPI. --probe-dpi prints the process awareness and fails unless it is per-monitor v2. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
70 lines
4.2 KiB
C
70 lines
4.2 KiB
C
// The in-game menu (ui/menu.cpp, Dear ImGui) and its seams to the platform side: the window and its input (ui/menu_win.cpp
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// on Windows; an SDL3 window gets its own adapter later), the gamepad (input_pad_read, input.h) and the present path
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// (gfx_window.c). The menu core calls no window system: events come in through menu_event_*, the drawing happens in the
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// present path's command buffer.
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//
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// F1 or Esc on the keyboard and Minus and Plus held together (consumed in poll_merged, input_menu_gate in input.h) open it;
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// F1, Esc, B or "Continue" close it. While it is open the game gets no input (input_menu, input.h) and keeps running; the
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// cursor is released from the mouse camera. Tabs Screen, Game, Sound, Controls and Menu (L / R or Q / E switch them) hold
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// option rows (ui/option_rows.h) over the cfg settings; the bottom row has "Continue" and "Quit game".
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// Test hooks (ui/menu.cpp): TOTK_MENU_TEST=<frame>[:<frames per page>] opens the menu at that presented frame and saves
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// one swapchain shot per tab into TOTK_MENU_TEST_DIR; TOTK_MENU_TEST_SET=<frame>:<key>=<value>[,...][;...] sets settings
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// at given frames without input (SAVE=1 writes totk.ini).
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//
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// Threads: the event functions are called by the window thread, menu_toggle by whichever thread polls the pad, the
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// overlay functions by the present path under its lock. ImGui itself runs on the present path only.
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#pragma once
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#include <stdint.h>
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#include <vulkan/vulkan.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// ---- state, any thread
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int menu_is_open(void);
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void menu_toggle(void); // F1 / Esc on the keyboard, Minus+Plus on the pad
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void menu_perf_cycle(void); // F10: the performance overlay off, fps, full
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// ---- events from the window adapter, used only while the menu is open. key: an ImGuiKey; coordinates in pixels of the
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// window's client area, which is the swapchain image.
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void menu_event_key(int key, int down);
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void menu_event_mouse_pos(float x, float y);
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void menu_event_mouse_button(int button, int down); // 0 left, 1 right, 2 middle
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void menu_event_wheel(float dx, float dy);
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void menu_event_focus(int focused);
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// ---- the overlay, drawn into the swapchain image after the game image (gfx_window.c, present lock held)
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typedef struct {
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VkInstance instance;
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VkPhysicalDevice phys;
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VkDevice device;
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uint32_t queue_family;
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VkQueue queue; // submissions take vk_queue_lock
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VkFormat format; // of the swapchain image, a colour attachment
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uint32_t width, height;
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int image_w, image_h; // the game image this present shows (its crop)
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int scaler; // how the last present scaled it to the window: 0 not, 1 bilinear blit, 2 FSR 1
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} MenuTarget;
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// Lays out this frame's overlay; 1 when there is something to draw. frame: the presented frame (0 unknown). *shot: a
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// path when the test hook wants this frame's swapchain image saved, else NULL. The first open starts ImGui's Vulkan
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// back end and uploads the font. With the menu closed it costs two loads and a compare.
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int menu_overlay_frame(uint64_t frame, const MenuTarget *t, const char **shot);
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// Records the frame menu_overlay_frame laid out into cb, which is inside dynamic rendering on the image.
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void menu_overlay_draw(VkCommandBuffer cb);
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void menu_vk_release(void); // before the device goes away (gfx_window_release_vk)
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// ---- what the menu asks of the platform side (gfx_window.c)
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void gfx_window_apply_settings(void); // TOTK_FULLSCREEN or TOTK_WINDOW_SIZE changed: the window follows
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void gfx_window_request_close(void); // as the window's close button: the process ends
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int gfx_window_monitor_size(int *w, int *h); // pixels of the monitor the window is on; 0 when unknown
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double gfx_window_refresh_hz(void); // its refresh rate (TOTK_FPS_LIMIT=display); 0 when unknown
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unsigned gfx_window_dpi(void); // the window's DPI (96 at 100% display scale); any thread
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// The present mode the swapchain got, as a TOTK_VK_PRESENT value ("fifo" when mailbox is missing); "" before the first
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// swapchain. Any thread.
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const char *gfx_window_present_mode(void);
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#ifdef __cplusplus
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}
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#endif
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