qemu-patch-raspberry4/include/ui/sdl2.h
Daniel P. Berrangé 021e3fa33b ui: avoid warnings about directdb on Alpine / musl libc
On Alpine, SDL is built with directfb support and this triggers warnings
during QEMU build

In file included from /usr/include/directfb/direct/thread.h:38,
                 from /usr/include/directfb/direct/debug.h:43,
                 from /usr/include/directfb/direct/interface.h:36,
                 from /usr/include/directfb/directfb.h:49,
                 from /usr/include/SDL2/SDL_syswm.h:80,
                 from /builds/berrange/qemu/include/ui/sdl2.h:8,
                 from ../ui/sdl2-gl.c:31:
/usr/include/directfb/direct/os/waitqueue.h:41:25: error: redundant redeclaration of 'direct_waitqueue_init' [-Werror=redundant-decls]
   41 | DirectResult DIRECT_API direct_waitqueue_init        ( DirectWaitQueue *queue );
      |                         ^~~~~~~~~~~~~~~~~~~~~

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211215141949.3512719-5-berrange@redhat.com>
Message-Id: <20220105135009.1584676-5-alex.bennee@linaro.org>
2022-01-18 16:42:41 +00:00

98 lines
3 KiB
C

#ifndef SDL2_H
#define SDL2_H
/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
#undef WIN32_LEAN_AND_MEAN
#include <SDL.h>
/* with Alpine / muslc SDL headers pull in directfb headers
* which in turn trigger warning about redundant decls for
* direct_waitqueue_deinit.
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
#include <SDL_syswm.h>
#pragma GCC diagnostic pop
#ifdef CONFIG_SDL_IMAGE
# include <SDL_image.h>
#endif
#include "ui/kbd-state.h"
#ifdef CONFIG_OPENGL
# include "ui/egl-helpers.h"
#endif
struct sdl2_console {
DisplayGLCtx dgc;
DisplayChangeListener dcl;
DisplaySurface *surface;
DisplayOptions *opts;
SDL_Texture *texture;
SDL_Window *real_window;
SDL_Renderer *real_renderer;
int idx;
int last_vm_running; /* per console for caption reasons */
int x, y, w, h;
int hidden;
int opengl;
int updates;
int idle_counter;
int ignore_hotkeys;
SDL_GLContext winctx;
QKbdState *kbd;
#ifdef CONFIG_OPENGL
QemuGLShader *gls;
egl_fb guest_fb;
egl_fb win_fb;
bool y0_top;
bool scanout_mode;
#endif
};
void sdl2_window_create(struct sdl2_console *scon);
void sdl2_window_destroy(struct sdl2_console *scon);
void sdl2_window_resize(struct sdl2_console *scon);
void sdl2_poll_events(struct sdl2_console *scon);
void sdl2_process_key(struct sdl2_console *scon,
SDL_KeyboardEvent *ev);
void sdl2_2d_update(DisplayChangeListener *dcl,
int x, int y, int w, int h);
void sdl2_2d_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface);
void sdl2_2d_refresh(DisplayChangeListener *dcl);
void sdl2_2d_redraw(struct sdl2_console *scon);
bool sdl2_2d_check_format(DisplayChangeListener *dcl,
pixman_format_code_t format);
void sdl2_gl_update(DisplayChangeListener *dcl,
int x, int y, int w, int h);
void sdl2_gl_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface);
void sdl2_gl_refresh(DisplayChangeListener *dcl);
void sdl2_gl_redraw(struct sdl2_console *scon);
QEMUGLContext sdl2_gl_create_context(DisplayGLCtx *dgc,
QEMUGLParams *params);
void sdl2_gl_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx);
int sdl2_gl_make_context_current(DisplayGLCtx *dgc,
QEMUGLContext ctx);
void sdl2_gl_scanout_disable(DisplayChangeListener *dcl);
void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
uint32_t backing_id,
bool backing_y_0_top,
uint32_t backing_width,
uint32_t backing_height,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h);
void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
uint32_t x, uint32_t y, uint32_t w, uint32_t h);
#endif /* SDL2_H */