diff options
Diffstat (limited to 'backends/sdl')
| -rw-r--r-- | backends/sdl/fb2opengl.h | 12 | ||||
| -rw-r--r-- | backends/sdl/sdl_gl.cpp | 62 |
2 files changed, 39 insertions, 35 deletions
diff --git a/backends/sdl/fb2opengl.h b/backends/sdl/fb2opengl.h index 0dfb1e74ac..0806fbc9ed 100644 --- a/backends/sdl/fb2opengl.h +++ b/backends/sdl/fb2opengl.h @@ -34,6 +34,7 @@ #define FB2GL_AUDIO 8 // Activate SDL Audio #define FB2GL_PITCH 16 // On fb2l_update, use pitch (else bytes per pixel) #define FB2GL_EXPAND 32 // Create a RGB fb with the color lookup table +#define FB2GL_16BIT 64 // 16 BIT Color Depth // This extension isn't defined in OpenGL 1.1 #ifndef GL_EXT_paletted_texture @@ -183,13 +184,14 @@ int FB2GL::init(int width, int height, int xfix, int yfix, char _flags) flags = _flags; // Fullscreen? - if ((flags & FB2GL_FS) && !screen) { - screen = SDL_SetVideoMode(width, height, 0, SDL_HWSURFACE | SDL_OPENGL | SDL_GL_DOUBLEBUFFER | SDL_FULLSCREEN); - } - else if (!screen) { - screen = SDL_SetVideoMode(width, height, 0, SDL_HWPALETTE | SDL_HWSURFACE | SDL_OPENGL | SDL_GL_DOUBLEBUFFER); + if (!screen) { + screen = SDL_SetVideoMode(width, height, (flags & FB2GL_16BIT? 16: 0), + SDL_HWPALETTE | SDL_HWSURFACE | SDL_OPENGL | SDL_GL_DOUBLEBUFFER | + (flags & FB2GL_FS? SDL_FULLSCREEN: 0)); } + fprintf(stderr,"Screen BitsPerPixel: %d\n",screen->format->BitsPerPixel); + if (!screen) { fprintf(stderr, "Couldn't start video res %dx%d\n", width, height); return 0; diff --git a/backends/sdl/sdl_gl.cpp b/backends/sdl/sdl_gl.cpp index 2fd551a1a0..daff660dd7 100644 --- a/backends/sdl/sdl_gl.cpp +++ b/backends/sdl/sdl_gl.cpp @@ -55,8 +55,8 @@ public: protected: FB2GL fb2gl; - SDL_Surface *glEnd; // Black rectangle at end of the GL screen - SDL_Rect blackrect2; // Needed for blitting the above surface + SDL_Surface *tmpSurface; // Used for black rectangles blitting + SDL_Rect tmpBlackRect; // Black rectangle at end of the GL screen typedef void ScalerProc(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, uint8 *dstPtr, uint32 dstPitch, int width, int height); @@ -208,6 +208,14 @@ void OSystem_SDL_Normal::undraw_mouse() { } void OSystem_SDL_Normal::load_gfx_mode() { + uint32 Rmask, Gmask, Bmask, Amask; + // I have to force 16 bit color depth with 565 ordering + // SDL_SetVideoMode sometimes doesn't accept your color depth definition + Rmask = 0xF800; // 5 + Gmask = 0x07E0; // 6 + Bmask = 0x001F; // 5 + Amask = 0; + _forceFull = true; _mode_flags = DF_WANT_RECT_OPTIM | DF_UPDATE_EXPAND_1_PIXEL; _scaleFactor = 2; @@ -228,15 +236,7 @@ void OSystem_SDL_Normal::load_gfx_mode() { // Create the surface that contains the scaled graphics in 16 bit mode // -// SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 ); -// if (fb2gl.screen->format->Rmask == 0x7C00) -// SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 ); -// else -// SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 6 ); -// SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 ); -// SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 ); - - int gl_flags = FB2GL_320 | FB2GL_RGBA | FB2GL_EXPAND; + int gl_flags = FB2GL_320 | FB2GL_RGBA | FB2GL_16BIT; if (_full_screen) gl_flags |= (FB2GL_FS); // 640x480 screen resolution fb2gl.init(640,480,0,_screenStart? 15: 70,gl_flags); @@ -252,24 +252,26 @@ void OSystem_SDL_Normal::load_gfx_mode() { uint16 *tmp_screen = (uint16*)calloc(TMP_SCREEN_WIDTH*(_screenHeight+3),sizeof(uint16)); sdl_tmpscreen = SDL_CreateRGBSurfaceFrom(tmp_screen, TMP_SCREEN_WIDTH, _screenHeight + 3, 16, TMP_SCREEN_WIDTH*2, - fb2gl.screen->format->Rmask, - fb2gl.screen->format->Gmask, - fb2gl.screen->format->Bmask, - fb2gl.screen->format->Amask); + Rmask, + Gmask, + Bmask, + Amask); - glEnd = SDL_CreateRGBSurface(SDL_SWSURFACE, _screenWidth, + fprintf(stderr,"bits: %d\n",sdl_tmpscreen->format->BitsPerPixel); + + tmpSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, _screenWidth, // 320x256 texture (black end) 256-_screenHeight-_screenStart, 16, - fb2gl.screen->format->Rmask, - fb2gl.screen->format->Gmask, - fb2gl.screen->format->Bmask, - fb2gl.screen->format->Amask); - - blackrect2.x = 0; - blackrect2.y = 0; - blackrect2.w = _screenWidth; - blackrect2.h = 256-_screenHeight-_screenStart; + Rmask, + Gmask, + Bmask, + Amask); + + tmpBlackRect.x = 0; + tmpBlackRect.y = 0; + tmpBlackRect.w = _screenWidth; + tmpBlackRect.h = 256-_screenHeight-_screenStart; if (sdl_tmpscreen == NULL) error("sdl_tmpscreen failed"); @@ -305,9 +307,9 @@ void OSystem_SDL_Normal::update_screen() { // If the shake position changed, fill the dirty area with blackness if (_currentShakePos != _newShakePos) { SDL_Rect blackrect = {0, _screenStart, _screenWidth, _newShakePos+_screenStart}; - SDL_FillRect(sdl_tmpscreen, &blackrect, 0); - - fb2gl.blit16(sdl_tmpscreen,1,&blackrect,0,0); + + SDL_FillRect(tmpSurface, &blackrect, 0); + fb2gl.blit16(tmpSurface,1,&blackrect,0,0); _currentShakePos = _newShakePos; @@ -362,8 +364,8 @@ void OSystem_SDL_Normal::update_screen() { _currentShakePos+_screenStart); - SDL_FillRect(glEnd, &blackrect2, 0); - fb2gl.blit16(glEnd,1,&blackrect2,0,_screenHeight+_screenStart); + SDL_FillRect(tmpSurface, &tmpBlackRect, 0); + fb2gl.blit16(tmpSurface,1,&tmpBlackRect,0,_screenHeight+_screenStart); fb2gl.display(); } |