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Implement vid_setsize on SDL backend.

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This commit is contained in:
Marisa Kirisame 2018-07-22 00:26:01 +02:00 committed by alexey.lysiuk
parent 96bb8a779c
commit 79f0deaff4
2 changed files with 84 additions and 6 deletions
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10
src/posix/sdl/gl_sysfb.h
View file

@ -26,8 +26,10 @@ public:
int GetClientWidth() override;
int GetClientHeight() override;
void ToggleFullscreen(bool yes) override;
void SetWindowSize(int client_w, int client_h);
SDL_Window *GetSDLWindow() { return Screen; }
void GetWindowBordersSize(int &top, int &left);
protected:
void SetGammaTable(uint16_t *tbl);
@ -45,6 +47,14 @@ protected:
Uint16 m_origGamma[3][256];
bool m_supportsGamma;
static const int MIN_WIDTH = 320;
static const int MIN_HEIGHT = 200;
typedef DECLSPEC int SDLCALL (*SDL_GetWindowBordersSizePtr)(SDL_Window *, int *, int *, int *, int *);
SDL_GetWindowBordersSizePtr SDL_GetWindowBordersSize_;
void *sdl_lib;
};
#endif // __POSIX_SDL_GL_SYSFB_H__

80
src/posix/sdl/sdlglvideo.cpp
View file

@ -88,6 +88,7 @@ CVAR(Int, win_x, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CVAR(Int, win_y, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CVAR(Int, win_w, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CVAR(Int, win_h, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CVAR(Bool, win_maximized, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
CVAR(Bool, i_soundinbackground, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
@ -181,6 +182,15 @@ IVideo *gl_CreateVideo()
SystemGLFrameBuffer::SystemGLFrameBuffer (void *, bool fullscreen)
: DFrameBuffer (vid_defwidth, vid_defheight)
{
// SDL_GetWindowBorderSize() is only available since 2.0.5, but because
// GZDoom supports platforms with older SDL2 versions, this function
// has to be dynamically loaded
sdl_lib = SDL_LoadObject("libSDL2.so");
if (sdl_lib != nullptr)
{
SDL_GetWindowBordersSize_ = (SDL_GetWindowBordersSizePtr)SDL_LoadFunction(sdl_lib,"SDL_GetWindowBordersSize");
}
// NOTE: Core profiles were added with GL 3.2, so there's no sense trying
// to set core 3.1 or 3.0. We could try a forward-compatible context
// instead, but that would be too restrictive (w.r.t. shaders).
@ -227,6 +237,9 @@ SystemGLFrameBuffer::SystemGLFrameBuffer (void *, bool fullscreen)
);
if (Screen != NULL)
{
// enforce minimum size limit
SDL_SetWindowMinimumSize(Screen, MIN_WIDTH, MIN_HEIGHT);
GLContext = SDL_GL_CreateContext(Screen);
if (GLContext != NULL)
{
@ -236,15 +249,16 @@ SystemGLFrameBuffer::SystemGLFrameBuffer (void *, bool fullscreen)
if (!fullscreen)
{
if (win_w >= MIN_WIDTH && win_h >= MIN_HEIGHT)
{
SDL_SetWindowSize(Screen, win_w, win_h);
}
if (win_x >= 0 && win_y >= 0)
{
SDL_SetWindowPosition(Screen, win_x, win_y);
}
if (win_h > 320 && win_w > 200)
{
SDL_SetWindowSize(Screen, win_w, win_h);
}
}
return;
@ -258,6 +272,11 @@ SystemGLFrameBuffer::SystemGLFrameBuffer (void *, bool fullscreen)
SystemGLFrameBuffer::~SystemGLFrameBuffer ()
{
if (sdl_lib != nullptr)
{
SDL_UnloadObject(sdl_lib);
}
if (Screen)
{
ResetGammaTable();
@ -326,6 +345,11 @@ void SystemGLFrameBuffer::SwapBuffers()
void SystemGLFrameBuffer::ToggleFullscreen(bool yes)
{
SDL_SetWindowFullscreen(Screen, yes ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
if ( !yes )
{
fullscreen = false;
SetWindowSize(win_w, win_h);
}
}
int SystemGLFrameBuffer::GetClientWidth()
@ -342,6 +366,39 @@ int SystemGLFrameBuffer::GetClientHeight()
return height;
}
void SystemGLFrameBuffer::SetWindowSize(int w, int h)
{
if (w < MIN_WIDTH || h < MIN_HEIGHT)
{
w = MIN_WIDTH;
h = MIN_HEIGHT;
}
win_w = w;
win_h = h;
if ( fullscreen )
{
fullscreen = false;
}
else
{
win_maximized = false;
SDL_SetWindowSize(Screen, w, h);
SDL_SetWindowPosition(Screen, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
SetSize(GetClientWidth(), GetClientHeight());
int x, y;
SDL_GetWindowPosition(Screen, &x, &y);
win_x = x;
win_y = y;
}
}
void SystemGLFrameBuffer::GetWindowBordersSize(int &top, int &left)
{
if (SDL_GetWindowBordersSize_ != nullptr)
{
SDL_GetWindowBordersSize_(Screen, &top, &left, nullptr, nullptr);
}
}
void ProcessSDLWindowEvent(const SDL_WindowEvent &event)
{
@ -362,8 +419,10 @@ void ProcessSDLWindowEvent(const SDL_WindowEvent &event)
case SDL_WINDOWEVENT_MOVED:
if (!fullscreen)
{
win_x = event.data1;
win_y = event.data2;
int top = 0, left = 0;
static_cast<SystemGLFrameBuffer *>(screen)->GetWindowBordersSize(top,left);
win_x = event.data1-left;
win_y = event.data2-top;
}
break;
@ -374,6 +433,14 @@ void ProcessSDLWindowEvent(const SDL_WindowEvent &event)
win_h = event.data2;
}
break;
case SDL_WINDOWEVENT_MAXIMIZED:
win_maximized = true;
break;
case SDL_WINDOWEVENT_RESTORED:
win_maximized = false;
break;
}
}
@ -391,3 +458,4 @@ void I_SetWindowTitle(const char* caption)
SDL_SetWindowTitle(window, default_caption);
}
}