107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
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#include "global.h"
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#include "LowLevelWindow_SDL.h"
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#include "RageLog.h"
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#include "RageDisplay.h" // for REFRESH_DEFAULT
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#include "SDL_utils.h"
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LowLevelWindow_SDL::LowLevelWindow_SDL()
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{
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if(!SDL_WasInit(SDL_INIT_VIDEO))
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SDL_InitSubSystem(SDL_INIT_VIDEO);
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Windowed = false;
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}
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LowLevelWindow_SDL::~LowLevelWindow_SDL()
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{
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SDL_QuitSubSystem(SDL_INIT_VIDEO);
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}
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void *LowLevelWindow_SDL::GetProcAddress(CString s)
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{
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return SDL_GL_GetProcAddress(s);
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}
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bool LowLevelWindow_SDL::SetVideoMode( bool windowed, int width, int height, int bpp, int rate, bool vsync )
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{
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int flags = SDL_DOUBLEBUF | SDL_RESIZABLE | SDL_OPENGL;
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if( !windowed )
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flags |= SDL_FULLSCREEN;
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Windowed = windowed;
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SDL_ShowCursor( Windowed );
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ASSERT( bpp == 16 || bpp == 32 );
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switch( bpp )
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{
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case 16:
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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break;
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case 32:
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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}
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, true);
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#ifdef SDL_HAS_REFRESH_RATE
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if(rate == REFRESH_DEFAULT)
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SDL_SM_SetRefreshRate(0);
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else
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SDL_SM_SetRefreshRate(rate);
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#endif
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SDL_Surface *screen = SDL_SetVideoMode(width, height, bpp, flags);
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if(!screen)
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RageException::Throw("SDL_SetVideoMode failed: %s", SDL_GetError());
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bool NewOpenGLContext = false;
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/* XXX: This event only exists in the SDL tree, and is only needed in
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* Windows. Eventually, it'll probably get upstreamed, and once it's
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* in the real branch we can remove this #if. */
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#if defined(WIN32)
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SDL_Event e;
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if(SDL_PeepEvents(&e, 1, SDL_GETEVENT, SDL_OPENGLRESETMASK))
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{
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LOG->Trace("New OpenGL context");
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SDL_WM_SetCaption("StepMania", "StepMania");
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NewOpenGLContext = true;
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}
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#endif
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{
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/* Find out what we really got. */
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int r,g,b,a, colorbits, depth, stencil;
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SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &r);
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SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &g);
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SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &b);
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SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &a);
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SDL_GL_GetAttribute(SDL_GL_BUFFER_SIZE, &colorbits);
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SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &depth);
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SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &stencil);
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LOG->Info("Got %i bpp (%i%i%i%i), %i depth, %i stencil",
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colorbits, r, g, b, a, depth, stencil);
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}
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CurrentWidth = screen->w;
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CurrentHeight = screen->h;
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CurrentBPP = bpp;
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return NewOpenGLContext;
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}
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void LowLevelWindow_SDL::SwapBuffers()
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{
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SDL_GL_SwapBuffers();
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}
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