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93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
//
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// os/x11/gl_window.h: X11/OpenGL window definitions.
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//
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// CEN64: Cycle-Accurate Nintendo 64 Emulator.
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// Copyright (C) 2015, Tyler J. Stachecki.
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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#ifndef CEN64_OS_SDL_GL_WINDOW
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#define CEN64_OS_SDL_GL_WINDOW
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#include "common.h"
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#include "gl_config.h"
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#include "gl_common.h"
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#include "gl_display.h"
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#include "gl_screen.h"
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#include "thread.h"
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#include <unistd.h>
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#define FRAMEBUF_SZ (640 * 474 * 4)
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#define CEN64_GL_WINDOW_BAD (NULL)
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struct cen64_gl_window
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{
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cen64_gl_display display;
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cen64_gl_screen screen;
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SDL_Window *window;
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int pipefds[2];
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cen64_mutex render_mutex;
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uint8_t frame_buffer[FRAMEBUF_SZ];
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unsigned frame_hres, frame_vres;
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unsigned frame_hskip, frame_type;
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cen64_mutex event_mutex;
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bool exit_requested;
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};
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typedef struct cen64_gl_window *cen64_gl_window;
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// Forward declaration.
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struct cen64_device;
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// Creates an (initially hidden) cen64_gl_window.
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cen64_cold cen64_gl_window cen64_gl_window_create(
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cen64_gl_display display, cen64_gl_screen screen,
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const cen64_gl_config *config, const char *title);
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// Releases resources allocated by cen64_gl_window_create.
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static inline void cen64_gl_window_destroy(cen64_gl_window window)
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{
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SDL_DestroyWindow(window->window);
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close(window->pipefds[0]);
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close(window->pipefds[1]);
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cen64_mutex_destroy(&window->render_mutex);
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cen64_mutex_destroy(&window->event_mutex);
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free(window);
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}
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// Pushes a notification to the UI queue to indicate a frame is ready.
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static inline void cen64_gl_window_push_frame(cen64_gl_window window)
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{
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SDL_Event sdlevent;
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sdlevent.type = SDL_USEREVENT;
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SDL_PushEvent(&sdlevent);
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}
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// Sets the title of the cen64_gl_window.
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static inline void cen64_gl_window_set_title(
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cen64_gl_window window, const char *title)
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{
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SDL_SetWindowTitle(window->window, title);
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}
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// Swaps the front and back buffers of the cen64_gl_window.
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static inline void cen64_gl_window_swap_buffers(cen64_gl_window window)
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{
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SDL_GL_SwapWindow(window->window);
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}
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// Thread that controls the user interface, etc.
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int cen64_gl_window_thread(struct cen64_device *device);
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// Unhides the cen64_gl_window.
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static inline void cen64_gl_window_unhide(cen64_gl_window window)
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{
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SDL_ShowWindow(window->window);
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}
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#endif
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