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Merge a patch and suggestions from NY00123 improving SDL2 support. This fixes the flickering in OpenGL in SDL2 on Windows. It also provides a proper list of resolutions. 

git-svn-id: https://svn.eduke32.com/eduke32@4089 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2013-10-08 09:59:59 +00:00
parent 7b551ba4fb
commit 4bc5f5cbc7
1 changed files with 117 additions and 134 deletions
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251
polymer/eduke32/build/src/sdlayer.c
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@ -51,12 +51,6 @@ int32_t startwin_idle(void *s) { UNREFERENCED_PARAMETER(s); return 0; }
int32_t startwin_settitle(const char *s) { UNREFERENCED_PARAMETER(s); return 0; }
#endif
#if SDL_MAJOR_VERSION==2
# define SDL_GRAB_OFF SDL_FALSE
# define SDL_GRAB_ON SDL_TRUE
# define SDL_WM_GrabInput(yn) SDL_SetWindowGrab(sdl_window, yn)
#endif
/// These can be useful for debugging sometimes...
//#define SDL_WM_GrabInput(x) SDL_WM_GrabInput(SDL_GRAB_OFF)
//#define SDL_ShowCursor(x) SDL_ShowCursor(SDL_ENABLE)
@ -75,14 +69,12 @@ extern int32_t app_main(int32_t argc, const char **argv);
char quitevent=0, appactive=1, novideo=0;
// video
static SDL_Surface *sdl_surface;
static SDL_Surface *sdl_surface/*=NULL*/;
static SDL_Surface *sdl_buffersurface=NULL;
#if SDL_MAJOR_VERSION==2
static SDL_Texture *sdl_texture;
static SDL_Palette *sdl_palptr;
static SDL_Window *sdl_window;
static SDL_Renderer *sdl_renderer;
static SDL_GLContext sdl_context;
static SDL_Palette *sdl_palptr=NULL;
static SDL_Window *sdl_window=NULL;
static SDL_GLContext sdl_context=NULL;
#endif
int32_t xres=-1, yres=-1, bpp=0, fullscreen=0, bytesperline;
intptr_t frameplace=0;
@ -298,13 +290,14 @@ static void attach_debugger_here(void) {}
# include <execinfo.h>
#endif
static inline char grabmouse_low(char a);
static void sighandler(int signum)
{
UNREFERENCED_PARAMETER(signum);
// if (signum==SIGSEGV)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
SDL_ShowCursor(SDL_ENABLE);
grabmouse_low(0);
#if PRINTSTACKONSEGV
{
void *addr[32];
@ -763,6 +756,25 @@ void uninitmouse(void)
}
//
// grabmouse_low() -- show/hide mouse cursor, lower level (doesn't check state).
// furthermore return 0 if successful.
//
static inline char grabmouse_low(char a)
{
#if SDL_MAJOR_VERSION==1
SDL_ShowCursor(a ? SDL_DISABLE : SDL_ENABLE);
return (SDL_WM_GrabInput(a ? SDL_GRAB_ON : SDL_GRAB_OFF) != (a ? SDL_GRAB_ON : SDL_GRAB_OFF));
#else
/* FIXME: Maybe it's better to make sure that grabmouse_low
is called only when a window is ready? */
if (sdl_window)
SDL_SetWindowGrab(sdl_window, a ? SDL_TRUE : SDL_FALSE);
return SDL_SetRelativeMouseMode(a ? SDL_TRUE : SDL_FALSE);
#endif
}
//
// grabmouse() -- show/hide mouse cursor
//
@ -770,24 +782,10 @@ void grabmouse(char a)
{
if (appactive && moustat)
{
if (a != mousegrab)
{
#if !defined __ANDROID__ && (!defined DEBUGGINGAIDS || defined _WIN32 || defined __APPLE__)
#if SDL_MAJOR_VERSION==1
SDL_GrabMode g;
g = SDL_WM_GrabInput(a ? SDL_GRAB_ON : SDL_GRAB_OFF);
mousegrab = (g == SDL_GRAB_ON);
SDL_ShowCursor(mousegrab ? SDL_DISABLE : SDL_ENABLE);
#else
if (!SDL_SetRelativeMouseMode(a ? SDL_TRUE : SDL_FALSE))
mousegrab = a;
#endif
#else
if ((a != mousegrab) && !grabmouse_low(a))
mousegrab = a;
#endif
}
}
else
{
@ -1031,7 +1029,9 @@ static int sortmodes(const void *a_, const void *b_)
static char modeschecked=0;
void getvalidmodes(void)
{
int32_t i, j, maxx=0, maxy=0;
int32_t i, maxx=0, maxy=0;
#if SDL_MAJOR_VERSION==1
int32_t j;
static int32_t cdepths[] =
{
8,
@ -1040,13 +1040,14 @@ void getvalidmodes(void)
#endif
0
};
#if SDL_MAJOR_VERSION==1
SDL_Rect **modes;
SDL_PixelFormat pf;
pf.palette = NULL;
pf.BitsPerPixel = 8;
pf.BytesPerPixel = 1;
#else
SDL_DisplayMode dispmode;
#endif
if (modeschecked || novideo) return;
@ -1073,8 +1074,8 @@ void getvalidmodes(void)
#define CHECK(w,h) if ((w < maxx) && (h < maxy))
#if SDL_MAJOR_VERSION==1
// do fullscreen modes first
#if SDL_MAJOR_VERSION==1
for (j=0; cdepths[j]; j++)
{
# ifdef USE_OPENGL
@ -1113,7 +1114,25 @@ void getvalidmodes(void)
}
}
}
#endif // SDL_MAJOR_VERSION==1
#else // here SDL_MAJOR_VERSION==2
for (i=0; i<SDL_GetNumDisplayModes(0); i++)
{
SDL_GetDisplayMode(0, i, &dispmode);
if ((dispmode.w > MAXXDIM) || (dispmode.h > MAXYDIM)) continue;
// HACK: 8-bit == Software, 32-bit == OpenGL
ADDMODE(dispmode.w, dispmode.h, 8, 1);
#ifdef USE_OPENGL
if (!nogl)
ADDMODE(dispmode.w, dispmode.h, 32, 1);
#endif
if ((dispmode.w > maxx) && (dispmode.h > maxy))
{
maxx = dispmode.w;
maxy = dispmode.h;
}
}
#endif
if (maxx == 0 && maxy == 0)
{
initprintf("No fullscreen modes available!\n");
@ -1121,6 +1140,7 @@ void getvalidmodes(void)
}
// add windowed modes next
#if SDL_MAJOR_VERSION==1
for (j=0; cdepths[j]; j++)
{
#ifdef USE_OPENGL
@ -1130,7 +1150,19 @@ void getvalidmodes(void)
for (i=0; defaultres[i][0]; i++)
CHECK(defaultres[i][0],defaultres[i][1])
ADDMODE(defaultres[i][0],defaultres[i][1],cdepths[j],0);
}
#else // here SDL_MAJOR_VERSION==2
for (i=0; defaultres[i][0]; i++)
CHECK(defaultres[i][0],defaultres[i][1])
{
// HACK: 8-bit == Software, 32-bit == OpenGL
ADDMODE(defaultres[i][0],defaultres[i][1],8,0);
#ifdef USE_OPENGL
if (!nogl)
ADDMODE(defaultres[i][0],defaultres[i][1],32,0);
#endif
}
#endif
#undef CHECK
#undef ADDMODE
@ -1203,77 +1235,27 @@ int32_t checkvideomode(int32_t *x, int32_t *y, int32_t c, int32_t fs, int32_t fo
static int32_t needpalupdate;
static SDL_Color sdlayer_pal[256];
#if SDL_MAJOR_VERSION==2
static void destroy_window_and_renderer()
static void destroy_window_resources()
{
if (sdl_buffersurface)
SDL_FreeSurface(sdl_buffersurface);
sdl_buffersurface = NULL;
/* We should NOT destroy the window surface. This is done automatically
when SDL_DestroyWindow or SDL_SetVideoMode is called. */
/*
if (sdl_surface)
SDL_FreeSurface(sdl_surface);
sdl_surface = NULL;
if (sdl_texture)
SDL_DestroyTexture(sdl_texture);
sdl_texture = NULL;
*/
#if SDL_MAJOR_VERSION==2
if (sdl_context)
SDL_GL_DeleteContext(sdl_context);
sdl_context = NULL;
if (sdl_renderer)
SDL_DestroyRenderer(sdl_renderer);
sdl_renderer = NULL;
if (sdl_window)
SDL_DestroyWindow(sdl_window);
sdl_window = NULL;
}
static int32_t create_window_and_renderer(int32_t x, int32_t y, int32_t c, int32_t fs, uint32_t flags)
{
sdl_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,SDL_WINDOWPOS_UNDEFINED,
x,y, ((fs&1)?SDL_WINDOW_FULLSCREEN:0) | (c > 8 ? SDL_WINDOW_OPENGL : 0));
if (!sdl_window)
{
initprintf("Unable to set video mode: SDL_CreateWindow failed: %s\n",
SDL_GetError());
return -1;
}
sdl_renderer = SDL_CreateRenderer(sdl_window, -1, flags);
if (!sdl_renderer)
{
initprintf("Unable to set video mode: SDL_CreateRenderer failed: %s\n",
SDL_GetError());
destroy_window_and_renderer();
return -1;
}
if (c > 8)
{
sdl_context = SDL_GL_CreateContext(sdl_window);
if (!sdl_context)
{
initprintf("Unable to set video mode: SDL_GL_CreateContext failed: %s\n",
SDL_GetError());
destroy_window_and_renderer();
return -1;
}
#ifdef _WIN32
loadglextensions();
#endif
}
sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, x, y);
if (!sdl_texture)
{
initprintf("Unable to set video mode: SDL_CreateTexture failed: %s\n",
SDL_GetError());
destroy_window_and_renderer();
return -1;
}
return 0;
}
#endif
//
// setvideomode() -- set SDL video mode
@ -1321,13 +1303,11 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
gammabrightness = 0; // redetect on next mode switch
}
if (sdl_buffersurface)
{
SDL_FreeSurface(sdl_buffersurface);
sdl_buffersurface = NULL;
}
#endif
// deinit
destroy_window_resources();
#ifdef USE_OPENGL
if (c > 8)
{
@ -1413,14 +1393,29 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
initprintf("Unable to set video mode!\n");
return -1;
}
# else
sdl_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,SDL_WINDOWPOS_UNDEFINED,
x,y, ((fs&1)?SDL_WINDOW_FULLSCREEN:0) | SDL_WINDOW_OPENGL);
if (!sdl_window)
{
initprintf("Unable to set video mode: SDL_CreateWindow failed: %s\n",
SDL_GetError());
return -1;
}
sdl_context = SDL_GL_CreateContext(sdl_window);
if (!sdl_context)
{
initprintf("Unable to set video mode: SDL_GL_CreateContext failed: %s\n",
SDL_GetError());
destroy_window_resources();
return -1;
}
SDL_GL_SetSwapInterval(vsync);
#endif
#ifdef _WIN32
loadglextensions();
#endif
# else
destroy_window_and_renderer();
if (create_window_and_renderer(x,y,c,fs, SDL_RENDERER_ACCELERATED) == -1)
return -1;
#endif
}
while (multisamplecheck--);
@ -1438,9 +1433,6 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
initprintf("Unable to set video mode!\n");
return -1;
}
#ifdef _WIN32
loadglextensions();
#endif
sdl_buffersurface = SDL_CreateRGBSurface(SURFACE_FLAGS, x, y, c, 0, 0, 0, 0);
if (!sdl_buffersurface)
{
@ -1449,21 +1441,23 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
return -1;
}
#else
// deinit
destroy_window_and_renderer();
// init
if (create_window_and_renderer(x,y,c,fs, SDL_RENDERER_SOFTWARE |
SDL_RENDERER_TARGETTEXTURE) == -1)
sdl_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,SDL_WINDOWPOS_UNDEFINED,
x,y, ((fs&1)?SDL_WINDOW_FULLSCREEN:0));
if (!sdl_window)
{
initprintf("Unable to set video mode: SDL_CreateWindow failed: %s\n",
SDL_GetError());
return -1;
}
sdl_surface = SDL_CreateRGBSurface(0, x, y, 32, 0, 0, 0, 0);
sdl_surface = SDL_GetWindowSurface(sdl_window);
if (!sdl_surface)
{
initprintf("Unable to set video mode: SDL_CreateRGBSurface failed: %s\n",
initprintf("Unable to set video mode: SDL_GetWindowSurface failed: %s\n",
SDL_GetError());
destroy_window_and_renderer();
destroy_window_resources();
return -1;
}
@ -1472,7 +1466,7 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
{
initprintf("Unable to set video mode: SDL_CreateRGBSurface failed: %s\n",
SDL_GetError());
destroy_window_and_renderer();
destroy_window_resources();
return -1;
}
@ -1803,7 +1797,6 @@ void showframe(int32_t w)
SDL_GL_SwapBuffers();
# else
SDL_GL_SwapWindow(sdl_window);
SDL_RenderPresent(sdl_renderer);
# endif
return;
}
@ -1836,11 +1829,13 @@ void showframe(int32_t w)
#if SDL_MAJOR_VERSION==1
SDL_Flip(sdl_surface);
#else
SDL_UpdateTexture(sdl_texture, NULL, sdl_surface->pixels, sdl_surface->pitch);
SDL_RenderClear(sdl_renderer);
SDL_RenderCopy(sdl_renderer, sdl_texture, NULL, NULL);
SDL_RenderPresent(sdl_renderer);
if (SDL_UpdateWindowSurface(sdl_window))
{
// If a fullscreen X11 window is minimized then this may be required.
// FIXME: What to do if this fails...
sdl_surface = SDL_GetWindowSurface(sdl_window);
SDL_UpdateWindowSurface(sdl_window);
}
#endif
}
@ -2097,10 +2092,7 @@ int32_t handleevents(void)
appactive = 1;
# if !defined DEBUGGINGAIDS || defined _WIN32
if (mousegrab && moustat)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
SDL_ShowCursor(SDL_DISABLE);
}
grabmouse_low(1);
# endif
# ifdef _WIN32
if (backgroundidle)
@ -2111,10 +2103,7 @@ int32_t handleevents(void)
appactive = 0;
# if !defined DEBUGGINGAIDS || defined _WIN32
if (mousegrab && moustat)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
SDL_ShowCursor(SDL_ENABLE);
}
grabmouse_low(0);
# endif
# ifdef _WIN32
if (backgroundidle)
@ -2179,15 +2168,9 @@ int32_t handleevents(void)
if (mousegrab && moustat)
{
if (appactive)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
SDL_ShowCursor(SDL_DISABLE);
}
grabmouse_low(1);
else
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
SDL_ShowCursor(SDL_ENABLE);
}
grabmouse_low(0);
}
# endif
# ifdef _WIN32