mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Alex Vanderveen
244 lines
6.8 KiB
C
244 lines
6.8 KiB
C
#pragma once
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/*
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* Runtime-facing SDL compatibility seam.
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*
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* PSXRecomp uses SDL3 by default, while PSX_SDL_BACKEND=SDL2 keeps the
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* previous implementation available for comparison and older platforms.
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*/
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#if defined(PSX_SDL3)
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#define SDL_ENABLE_OLD_NAMES
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#define SDL_FUNCTION_POINTER_IS_VOID_POINTER
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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#ifndef SDL_WINDOW_SHOWN
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#define SDL_WINDOW_SHOWN 0
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#endif
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#ifndef SDL_WINDOW_FULLSCREEN_DESKTOP
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#define SDL_WINDOW_FULLSCREEN_DESKTOP SDL_WINDOW_FULLSCREEN
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#endif
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#ifndef SDL_RENDERER_ACCELERATED
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#define SDL_RENDERER_ACCELERATED 0x00000001u
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#endif
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#ifndef SDL_RENDERER_PRESENTVSYNC
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#define SDL_RENDERER_PRESENTVSYNC 0x00000002u
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#endif
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#ifndef SDL_RENDERER_SOFTWARE
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#define SDL_RENDERER_SOFTWARE 0x00000004u
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#endif
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#ifndef SDL_MUTEX_TIMEDOUT
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#define SDL_MUTEX_TIMEDOUT 1
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#endif
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#ifndef SDL_HINT_RENDER_SCALE_QUALITY
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#define SDL_HINT_RENDER_SCALE_QUALITY "SDL_RENDER_SCALE_QUALITY"
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#endif
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static inline int psx_sdl_init(SDL_InitFlags flags)
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{
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return SDL_Init(flags) ? 0 : -1;
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}
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static inline int psx_sdl_init_subsystem(SDL_InitFlags flags)
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{
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return SDL_InitSubSystem(flags) ? 0 : -1;
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}
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static inline SDL_Window *psx_sdl_create_window(
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const char *title, int x, int y, int w, int h, Uint64 flags)
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{
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(void)x;
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(void)y;
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return SDL_CreateWindow(title, w, h, (SDL_WindowFlags)flags);
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}
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static inline SDL_Renderer *psx_sdl_create_renderer(
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SDL_Window *window, int driver_index, Uint32 flags)
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{
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(void)driver_index;
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SDL_Renderer *renderer = SDL_CreateRenderer(window, NULL);
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if (renderer && (flags & SDL_RENDERER_PRESENTVSYNC)) {
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(void)SDL_SetRenderVSync(renderer, 1);
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}
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return renderer;
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}
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static inline int psx_sdl_render_set_logical_size(
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SDL_Renderer *renderer, int w, int h)
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{
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return SDL_SetRenderLogicalPresentation(
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renderer, w, h, SDL_LOGICAL_PRESENTATION_LETTERBOX)
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? 0
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: -1;
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}
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static inline int psx_sdl_render_copy(
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SDL_Renderer *renderer, SDL_Texture *texture,
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const SDL_Rect *src, const SDL_Rect *dst)
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{
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SDL_FRect srcf;
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SDL_FRect dstf;
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const SDL_FRect *srcp = NULL;
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const SDL_FRect *dstp = NULL;
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if (src) {
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srcf.x = (float)src->x;
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srcf.y = (float)src->y;
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srcf.w = (float)src->w;
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srcf.h = (float)src->h;
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srcp = &srcf;
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}
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if (dst) {
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dstf.x = (float)dst->x;
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dstf.y = (float)dst->y;
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dstf.w = (float)dst->w;
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dstf.h = (float)dst->h;
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dstp = &dstf;
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}
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return SDL_RenderTexture(renderer, texture, srcp, dstp) ? 0 : -1;
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}
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static inline int psx_sdl_render_set_vsync(
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SDL_Renderer *renderer, int enabled)
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{
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return SDL_SetRenderVSync(renderer, enabled) ? 0 : -1;
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}
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static inline int psx_sdl_gl_make_current(
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SDL_Window *window, SDL_GLContext context)
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{
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return SDL_GL_MakeCurrent(window, context) ? 0 : -1;
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}
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static inline int psx_sdl_gl_set_swap_interval(int interval)
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{
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return SDL_GL_SetSwapInterval(interval) ? 0 : -1;
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}
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static inline void psx_sdl_gl_get_drawable_size(
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SDL_Window *window, int *w, int *h)
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{
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(void)SDL_GetWindowSizeInPixels(window, w, h);
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}
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static inline int psx_sdl_get_display_usable_bounds(
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SDL_DisplayID display, SDL_Rect *bounds)
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{
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if (!display) display = SDL_GetPrimaryDisplay();
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return SDL_GetDisplayUsableBounds(display, bounds) ? 0 : -1;
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}
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static inline int psx_sdl_get_current_display_mode(
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SDL_DisplayID display, SDL_DisplayMode *mode)
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{
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if (!display) display = SDL_GetPrimaryDisplay();
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const SDL_DisplayMode *current = SDL_GetCurrentDisplayMode(display);
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if (!current) return -1;
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*mode = *current;
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return 0;
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}
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static inline const Uint8 *psx_sdl_get_keyboard_state(int *count)
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{
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return (const Uint8 *)(const void *)SDL_GetKeyboardState(count);
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}
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static inline SDL_JoystickID psx_sdl_joystick_id_for_index(int index)
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{
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int count = 0;
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SDL_JoystickID result = 0;
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SDL_JoystickID *ids = SDL_GetJoysticks(&count);
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if (ids && index >= 0 && index < count) result = ids[index];
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SDL_free(ids);
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return result;
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}
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static inline int psx_sdl_num_joysticks(void)
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{
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int count = 0;
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SDL_JoystickID *ids = SDL_GetJoysticks(&count);
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SDL_free(ids);
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return count;
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}
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static inline bool psx_sdl_is_game_controller(int index)
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{
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SDL_JoystickID id = psx_sdl_joystick_id_for_index(index);
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return id && SDL_IsGamepad(id);
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}
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static inline SDL_Gamepad *psx_sdl_game_controller_open(int index)
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{
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SDL_JoystickID id = psx_sdl_joystick_id_for_index(index);
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return id ? SDL_OpenGamepad(id) : NULL;
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}
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static inline SDL_GUID psx_sdl_joystick_get_device_guid(int index)
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{
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return SDL_GetJoystickGUIDForID(psx_sdl_joystick_id_for_index(index));
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}
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static inline SDL_JoystickID psx_sdl_joystick_get_device_instance_id(int index)
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{
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return psx_sdl_joystick_id_for_index(index);
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}
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static inline void psx_sdl_joystick_get_guid_string(
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SDL_GUID guid, char *buffer, int buffer_size)
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{
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SDL_GUIDToString(guid, buffer, buffer_size);
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}
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static inline int psx_sdl_cond_wait_timeout(
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SDL_Condition *condition, SDL_Mutex *mutex, Sint32 timeout_ms)
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{
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return SDL_WaitConditionTimeout(condition, mutex, timeout_ms)
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? 0
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: SDL_MUTEX_TIMEDOUT;
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}
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#undef SDL_Init
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#define SDL_Init psx_sdl_init
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#undef SDL_InitSubSystem
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#define SDL_InitSubSystem psx_sdl_init_subsystem
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#undef SDL_CreateWindow
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#define SDL_CreateWindow psx_sdl_create_window
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#undef SDL_CreateRenderer
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#define SDL_CreateRenderer psx_sdl_create_renderer
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#undef SDL_RenderSetLogicalSize
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#define SDL_RenderSetLogicalSize psx_sdl_render_set_logical_size
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#undef SDL_RenderCopy
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#define SDL_RenderCopy psx_sdl_render_copy
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#undef SDL_RenderSetVSync
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#define SDL_RenderSetVSync psx_sdl_render_set_vsync
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#undef SDL_GL_MakeCurrent
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#define SDL_GL_MakeCurrent psx_sdl_gl_make_current
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#undef SDL_GL_SetSwapInterval
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#define SDL_GL_SetSwapInterval psx_sdl_gl_set_swap_interval
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#define SDL_GL_GetDrawableSize psx_sdl_gl_get_drawable_size
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#undef SDL_GetDisplayUsableBounds
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#define SDL_GetDisplayUsableBounds psx_sdl_get_display_usable_bounds
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#undef SDL_GetCurrentDisplayMode
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#define SDL_GetCurrentDisplayMode psx_sdl_get_current_display_mode
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#undef SDL_GetKeyboardState
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#define SDL_GetKeyboardState psx_sdl_get_keyboard_state
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#define SDL_NumJoysticks psx_sdl_num_joysticks
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#undef SDL_IsGameController
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#define SDL_IsGameController psx_sdl_is_game_controller
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#undef SDL_GameControllerOpen
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#define SDL_GameControllerOpen psx_sdl_game_controller_open
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#undef SDL_JoystickGetDeviceGUID
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#define SDL_JoystickGetDeviceGUID psx_sdl_joystick_get_device_guid
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#undef SDL_JoystickGetDeviceInstanceID
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#define SDL_JoystickGetDeviceInstanceID psx_sdl_joystick_get_device_instance_id
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#undef SDL_JoystickGetGUIDString
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#define SDL_JoystickGetGUIDString psx_sdl_joystick_get_guid_string
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#undef SDL_CondWaitTimeout
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#define SDL_CondWaitTimeout psx_sdl_cond_wait_timeout
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#else
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#include <SDL.h>
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#endif
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