]> Shamusworld >> Repos - stargem2/blobdiff - src/video.cpp
Converted to SDL 2, added fullscreen support (F12 to toggle).
[stargem2] / src / video.cpp
index da960c8c61b8b86aed4389c81b127acf0fce259b..072808e41bdf3fb370b3ff8a8411a8d6af651868 100755 (executable)
 //
 
 #include "video.h"
-
-//#include "SDL.h"
+#include <SDL2/SDL.h>
 #include <string.h>    // Why??? (for memset, etc... Lazy!) Dunno why, but this just strikes me as wrong...
 #include <malloc.h>
-#include "sdlemu_opengl.h"
 #include "log.h"
 #include "settings.h"
-#include "icon.h"
-
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
-#define MASK_R 0xFF000000
-#define MASK_G 0x00FF0000
-#define MASK_B 0x0000FF00
-#define MASK_A 0x000000FF
-#else
-#define MASK_R 0x000000FF
-#define MASK_G 0x0000FF00
-#define MASK_B 0x00FF0000
-#define MASK_A 0xFF000000
-#endif
-
-//#define TEST_ALPHA_BLENDING
+
 
 // Exported global variables (actually, these are LOCAL global variables, EXPORTED...)
 
-SDL_Surface * surface, * mainSurface, * someAlphaSurface;
-Uint32 mainSurfaceFlags;
-uint32 * scrBuffer = NULL;
-SDL_Joystick * joystick;
+static SDL_Window * sdlWindow = NULL;
+static SDL_Renderer * sdlRenderer = NULL;
+static SDL_Texture * sdlTexture = NULL;
+uint32_t scrBuffer[VIRTUAL_SCREEN_WIDTH * VIRTUAL_SCREEN_HEIGHT * sizeof(uint32_t)];
+
 
 //
 // Prime SDL and create surfaces
 //
 bool InitVideo(void)
 {
-       // Set up SDL library
-       if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE) < 0)
+       if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE) != 0)
        {
                WriteLog("Video: Could not initialize the SDL library: %s\n", SDL_GetError());
                return false;
        }
 
-       // Get proper info about the platform we're running on...
-       const SDL_VideoInfo * info = SDL_GetVideoInfo();
-
-       if (!info)
-       {
-               WriteLog("Video: SDL is unable to get the video info: %s\n", SDL_GetError());
-               return false;
-       }
-
-       WriteLog("Video: Hardware is%s available...\n", (info->hw_available ? "" : " NOT"));
-       WriteLog("Video: Hardware blit is%s available...\n", (info->blit_hw ? "" : " NOT"));
-
-       if (settings.useOpenGL)
-       {
-               mainSurfaceFlags = SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF | SDL_OPENGL;
-               SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
-//We want 32BPP, so force the issue...
-               SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
-               SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
-               SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
-       }
-       else
-       {
-               mainSurfaceFlags = SDL_DOUBLEBUF;
-
-               if (info->hw_available)
-                       mainSurfaceFlags = SDL_HWSURFACE | SDL_HWPALETTE;
-
-               if (info->blit_hw)
-                       mainSurfaceFlags |= SDL_HWACCEL;
-       }
-
-       if (settings.fullscreen)
-               mainSurfaceFlags |= SDL_FULLSCREEN;
-
-       // Create the primary SDL display (32 BPP)
-       if (settings.useOpenGL)
-               mainSurface = SDL_SetVideoMode(VIRTUAL_SCREEN_WIDTH * 2, VIRTUAL_SCREEN_HEIGHT * 2, 32, mainSurfaceFlags);
-       else
-               mainSurface = SDL_SetVideoMode(VIRTUAL_SCREEN_WIDTH, VIRTUAL_SCREEN_HEIGHT, 32, mainSurfaceFlags);
-
-       if (mainSurface == NULL)
-       {
-               WriteLog("Video: SDL is unable to set the video mode: %s\n", SDL_GetError());
-               return false;
-       }
+       int retVal = SDL_CreateWindowAndRenderer(VIRTUAL_SCREEN_WIDTH * 3, VIRTUAL_SCREEN_HEIGHT * 3, SDL_WINDOW_OPENGL, &sdlWindow, &sdlRenderer);
 
-       // Set icon (mainly for Win32 target--though seems to work under KDE as well...!)
-       SDL_Surface * iconSurf = SDL_CreateRGBSurfaceFrom(icon, 32, 32, 32, 128,
-               MASK_R, MASK_G, MASK_B, MASK_A);
-       SDL_WM_SetIcon(iconSurf, NULL);
-       SDL_FreeSurface(iconSurf);
-
-       SDL_WM_SetCaption("StarGem2", "StarGem2");
-
-       // Create the secondary SDL display (32 BPP) that we use directly
-       surface = SDL_CreateRGBSurface(SDL_SWSURFACE, VIRTUAL_SCREEN_WIDTH, VIRTUAL_SCREEN_HEIGHT, 32, MASK_R, MASK_G, MASK_B, MASK_A);
-/*WriteLog("Video: Created secondary surface with attributes:\n\n");
-WriteLog("\tWidth, height: %u x %u\n", surface->w, surface->h);
-WriteLog("\t        Pitch: %u\n", surface->pitch);
-WriteLog("\t      Palette: %08X\n", surface->format->palette);
-WriteLog("\t          BPP: %u\n", surface->format->BitsPerPixel);
-WriteLog("\t      BytesPP: %u\n", surface->format->BytesPerPixel);
-WriteLog("\t        RMask: %08X\n", surface->format->Rmask);
-WriteLog("\t        GMask: %08X\n", surface->format->Gmask);
-WriteLog("\t        BMask: %08X\n", surface->format->Bmask);
-WriteLog("\t        AMask: %08X\n", surface->format->Amask);
-WriteLog("\n");//*/
-
-       if (surface == NULL)
+       if (retVal != 0)
        {
-               WriteLog("Video: Could not create secondary SDL surface: %s\n", SDL_GetError());
+               WriteLog("Video: Could not window and/or renderer: %s\n", SDL_GetError());
                return false;
        }
 
-       if (settings.useOpenGL)
-               sdlemu_init_opengl(surface, mainSurface, 1 /*method*/,
-                       settings.glFilter /*texture type (linear, nearest)*/,
-                       0 /* Automatic bpp selection based upon src */);
-
-       // Initialize Joystick support under SDL
-/*     if (settings.useJoystick)
-       {
-               if (SDL_NumJoysticks() <= 0)
-               {
-                       settings.useJoystick = false;
-                       WriteLog("Video: No joystick(s) or joypad(s) detected on your system. Using keyboard...\n");
-               }
-               else
-               {
-                       if ((joystick = SDL_JoystickOpen(settings.joyport)) == 0)
-                       {
-                               settings.useJoystick = false;
-                               WriteLog("Video: Unable to open a Joystick on port: %d\n", (int)settings.joyport);
-                       }
-                       else
-                               WriteLog("Video: Using: %s\n", SDL_JoystickName(settings.joyport));
-               }
-       }//*/
-
-       // Set up the scrBuffer
-       scrBuffer = (uint32 *)surface->pixels;  // Kludge--And shouldn't have to lock since it's a software surface...
-//needed? Dunno. Mebbe an SDL function instead?
-//     memset(scrBuffer, 0x00, VIRTUAL_SCREEN_WIDTH * VIRTUAL_SCREEN_HEIGHT * sizeof(uint32));
-
-       if (settings.fullscreen)
-               SDL_ShowCursor(SDL_DISABLE);
-
-#ifdef TEST_ALPHA_BLENDING
-//Here's some code to test alpha blending...
-//Well whaddya know, it works. :-)
-       someAlphaSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, 30, 30, 32,
-               MASK_R, MASK_G, MASK_B, MASK_A);
+       // Make the scaled rendering look smoother.
+//     SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
+       SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest");
+       SDL_RenderSetLogicalSize(sdlRenderer, VIRTUAL_SCREEN_WIDTH, VIRTUAL_SCREEN_HEIGHT);
 
-       for(int i=0; i<30; i++)
-       {
-               for(int j=0; j<30; j++)
-               {
-                       uint32 color = (uint32)(((double)(i * j) / (29.0 * 29.0)) * 255.0);
-                       color = (color << 24) | 0x00FF00FF;
-                       ((uint32 *)someAlphaSurface->pixels)[(j * 30) + i] = color;
-               }
-       }
-//End test code
-#endif
+       sdlTexture = SDL_CreateTexture(sdlRenderer,
+               SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING,
+               VIRTUAL_SCREEN_WIDTH, VIRTUAL_SCREEN_HEIGHT);
 
        WriteLog("Video: Successfully initialized.\n");
        return true;
 }
 
+
 //
 // Free various SDL components
 //
 void VideoDone(void)
 {
-       if (settings.useOpenGL)
-               sdlemu_close_opengl();
-
-//     SDL_JoystickClose(joystick);
-       SDL_FreeSurface(surface);
        SDL_Quit();
 }
 
+
 //
 // Render the backbuffer to the primary screen surface
 //
 void RenderScreenBuffer(void)
 {
-//WriteLog("Video: Blitting a %u x %u surface to the main surface...\n", surface->w, surface->h);
-//Don't need this crapola--why have a separate buffer just to copy it to THIS
-//buffer in order to copy it to the main screen? That's what *I* thought!
-/*     if (SDL_MUSTLOCK(surface))
-               while (SDL_LockSurface(surface) < 0)
-                       SDL_Delay(10);
-
-       memcpy(surface->pixels, scrBuffer, VIRTUAL_SCREEN_WIDTH * VIRTUAL_SCREEN_HEIGHT * sizeof(uint32));
-
-       if (SDL_MUSTLOCK(surface))
-               SDL_UnlockSurface(surface);//*/
-#ifdef TEST_ALPHA_BLENDING
-SDL_Rect dstRect = { 100, 100, 30, 30 };
-SDL_BlitSurface(someAlphaSurface, NULL, surface, &dstRect);
-#endif
-
-       if (settings.useOpenGL)
-               sdlemu_draw_texture(mainSurface, surface, 1/*1=GL_QUADS*/);
-       else
-       {
-               SDL_BlitSurface(surface, NULL, mainSurface, NULL);
-               SDL_Flip(mainSurface);
-    }
+       SDL_UpdateTexture(sdlTexture, NULL, scrBuffer, VIRTUAL_SCREEN_WIDTH * sizeof(Uint32));
+       SDL_RenderClear(sdlRenderer);
+       SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, NULL);
+       SDL_RenderPresent(sdlRenderer);
 }
 
-#if 0
+
 //
 // Fullscreen <-> window switching
 //
-//NOTE: This does *NOT* work with OpenGL rendering! !!! FIX !!!
-void ToggleFullscreen(void)
+void ToggleFullScreen(void)
 {
-       vjs.fullscreen = !vjs.fullscreen;
-       mainSurfaceFlags &= ~SDL_FULLSCREEN;
-
-       if (vjs.fullscreen)
-               mainSurfaceFlags |= SDL_FULLSCREEN;
+       settings.fullscreen = !settings.fullscreen;
+       int retVal;
 
-       mainSurface = SDL_SetVideoMode(tom_width, tom_height, 16, mainSurfaceFlags);
-
-       if (mainSurface == NULL)
+       if (settings.fullscreen)
        {
-               WriteLog("Video: SDL is unable to set the video mode: %s\n", SDL_GetError());
-               exit(1);
+               retVal = SDL_SetWindowFullscreen(sdlWindow, SDL_WINDOW_FULLSCREEN_DESKTOP);
+               SDL_ShowCursor(0);
+       }
+       else
+       {
+               retVal = SDL_SetWindowFullscreen(sdlWindow, 0);
+               SDL_ShowCursor(1);
        }
 
-       SDL_WM_SetCaption("Virtual Jaguar", "Virtual Jaguar");
+       if (retVal != 0)
+       {
+               WriteLog("Video::ToggleFullScreen: SDL error = %s\n", SDL_GetError());
+       }
 }
-#endif
+