Exemplo n.º 1
0
SDL_bool
CommonInit(CommonState * state)
{
    int i, j, m, n;
    SDL_DisplayMode fullscreen_mode;

    if (state->flags & SDL_INIT_VIDEO) {
        if (state->verbose & VERBOSE_VIDEO) {
            n = SDL_GetNumVideoDrivers();
            if (n == 0) {
                fprintf(stderr, "No built-in video drivers\n");
            } else {
                fprintf(stderr, "Built-in video drivers:");
                for (i = 0; i < n; ++i) {
                    if (i > 0) {
                        fprintf(stderr, ",");
                    }
                    fprintf(stderr, " %s", SDL_GetVideoDriver(i));
                }
                fprintf(stderr, "\n");
            }
        }
        if (SDL_VideoInit(state->videodriver, 0) < 0) {
            fprintf(stderr, "Couldn't initialize video driver: %s\n",
                    SDL_GetError());
            return SDL_FALSE;
        }
        if (state->verbose & VERBOSE_VIDEO) {
            fprintf(stderr, "Video driver: %s\n",
                    SDL_GetCurrentVideoDriver());
        }

        if (state->verbose & VERBOSE_MODES) {
            SDL_DisplayMode mode;
            int bpp;
            Uint32 Rmask, Gmask, Bmask, Amask;

            n = SDL_GetNumVideoDisplays();
            fprintf(stderr, "Number of displays: %d\n", n);
            for (i = 0; i < n; ++i) {
                fprintf(stderr, "Display %d:\n", i);
                SDL_SelectVideoDisplay(i);

                SDL_GetDesktopDisplayMode(&mode);
                SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
                                           &Bmask, &Amask);
                fprintf(stderr,
                        "  Current mode: %dx%d@%dHz, %d bits-per-pixel\n",
                        mode.w, mode.h, mode.refresh_rate, bpp);
                if (Rmask || Gmask || Bmask) {
                    fprintf(stderr, "      Red Mask = 0x%.8x\n", Rmask);
                    fprintf(stderr, "      Green Mask = 0x%.8x\n", Gmask);
                    fprintf(stderr, "      Blue Mask = 0x%.8x\n", Bmask);
                    if (Amask)
                        fprintf(stderr, "      Alpha Mask = 0x%.8x\n", Amask);
                }

                /* Print available fullscreen video modes */
                m = SDL_GetNumDisplayModes();
                if (m == 0) {
                    fprintf(stderr, "No available fullscreen video modes\n");
                } else {
                    fprintf(stderr, "  Fullscreen video modes:\n");
                    for (j = 0; j < m; ++j) {
                        SDL_GetDisplayMode(j, &mode);
                        SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
                                                   &Gmask, &Bmask, &Amask);
                        fprintf(stderr,
                                "    Mode %d: %dx%d@%dHz, %d bits-per-pixel\n",
                                j, mode.w, mode.h, mode.refresh_rate, bpp);
                        if (Rmask || Gmask || Bmask) {
                            fprintf(stderr, "        Red Mask = 0x%.8x\n",
                                    Rmask);
                            fprintf(stderr, "        Green Mask = 0x%.8x\n",
                                    Gmask);
                            fprintf(stderr, "        Blue Mask = 0x%.8x\n",
                                    Bmask);
                            if (Amask)
                                fprintf(stderr,
                                        "        Alpha Mask = 0x%.8x\n",
                                        Amask);
                        }
                    }
                }
            }
        }

        SDL_SelectVideoDisplay(state->display);
        if (state->verbose & VERBOSE_RENDER) {
            SDL_RendererInfo info;

            n = SDL_GetNumRenderDrivers();
            if (n == 0) {
                fprintf(stderr, "No built-in render drivers\n");
            } else {
                fprintf(stderr, "Built-in render drivers:\n");
                for (i = 0; i < n; ++i) {
                    SDL_GetRenderDriverInfo(i, &info);
                    PrintRenderer(&info);
                }
            }
        }

        switch (state->depth) {
        case 8:
            fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
            break;
        case 15:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
            break;
        case 16:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
            break;
        default:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
            break;
        }
        fullscreen_mode.w = state->window_w;
        fullscreen_mode.h = state->window_h;
        fullscreen_mode.refresh_rate = state->refresh_rate;
        SDL_SetFullscreenDisplayMode(&fullscreen_mode);

        state->windows =
            (SDL_WindowID *) SDL_malloc(state->num_windows *
                                        sizeof(*state->windows));
        if (!state->windows) {
            fprintf(stderr, "Out of memory!\n");
            return SDL_FALSE;
        }
        for (i = 0; i < state->num_windows; ++i) {
            char title[1024];

            if (state->num_windows > 1) {
                SDL_snprintf(title, SDL_arraysize(title), "%s %d",
                             state->window_title, i + 1);
            } else {
                SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
            }
            state->windows[i] =
                SDL_CreateWindow(title, state->window_x, state->window_y,
                                 state->window_w, state->window_h,
                                 state->window_flags);
            if (!state->windows[i]) {
                fprintf(stderr, "Couldn't create window: %s\n",
                        SDL_GetError());
                return SDL_FALSE;
            }

            if (!state->skip_renderer
                && (state->renderdriver
                    || !(state->window_flags & SDL_WINDOW_OPENGL))) {
                m = -1;
                if (state->renderdriver) {
                    SDL_RendererInfo info;
                    n = SDL_GetNumRenderDrivers();
                    for (j = 0; j < n; ++j) {
                        SDL_GetRenderDriverInfo(j, &info);
                        if (SDL_strcasecmp(info.name, state->renderdriver) ==
                            0) {
                            m = j;
                            break;
                        }
                    }
                    if (m == n) {
                        fprintf(stderr,
                                "Couldn't find render driver named %s",
                                state->renderdriver);
                        return SDL_FALSE;
                    }
                }
                if (SDL_CreateRenderer
                    (state->windows[i], m, state->render_flags) < 0) {
                    fprintf(stderr, "Couldn't create renderer: %s\n",
                            SDL_GetError());
                    return SDL_FALSE;
                }
                if (state->verbose & VERBOSE_RENDER) {
                    SDL_RendererInfo info;

                    fprintf(stderr, "Current renderer:\n");
                    SDL_GetRendererInfo(&info);
                    PrintRenderer(&info);
                }
            }
        }
        SDL_SelectRenderer(state->windows[0]);
    }

    if (state->flags & SDL_INIT_AUDIO) {
        if (state->verbose & VERBOSE_AUDIO) {
            n = SDL_GetNumAudioDrivers();
            if (n == 0) {
                fprintf(stderr, "No built-in audio drivers\n");
            } else {
                fprintf(stderr, "Built-in audio drivers:");
                for (i = 0; i < n; ++i) {
                    if (i > 0) {
                        fprintf(stderr, ",");
                    }
                    fprintf(stderr, " %s", SDL_GetAudioDriver(i));
                }
                fprintf(stderr, "\n");
            }
        }
        if (SDL_AudioInit(state->audiodriver) < 0) {
            fprintf(stderr, "Couldn't initialize audio driver: %s\n",
                    SDL_GetError());
            return SDL_FALSE;
        }
        if (state->verbose & VERBOSE_VIDEO) {
            fprintf(stderr, "Audio driver: %s\n",
                    SDL_GetCurrentAudioDriver());
        }

        if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
            fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
            return SDL_FALSE;
        }
    }

    return SDL_TRUE;
}
SDL_bool
CommonInit(CommonState * state)
{
    int i, j, m, n;
    SDL_DisplayMode fullscreen_mode;

    if (state->flags & SDL_INIT_VIDEO) {
        if (state->verbose & VERBOSE_VIDEO) {
            n = SDL_GetNumVideoDrivers();
            if (n == 0) {
                fprintf(stderr, "No built-in video drivers\n");
            } else {
                fprintf(stderr, "Built-in video drivers:");
                for (i = 0; i < n; ++i) {
                    if (i > 0) {
                        fprintf(stderr, ",");
                    }
                    fprintf(stderr, " %s", SDL_GetVideoDriver(i));
                }
                fprintf(stderr, "\n");
            }
        }
        if (SDL_VideoInit(state->videodriver) < 0) {
            fprintf(stderr, "Couldn't initialize video driver: %s\n",
                    SDL_GetError());
            return SDL_FALSE;
        }
        if (state->verbose & VERBOSE_VIDEO) {
            fprintf(stderr, "Video driver: %s\n",
                    SDL_GetCurrentVideoDriver());
        }

        /* Upload GL settings */
        SDL_GL_SetAttribute(SDL_GL_RED_SIZE, state->gl_red_size);
        SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, state->gl_green_size);
        SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, state->gl_blue_size);
        SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, state->gl_alpha_size);
        SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, state->gl_double_buffer);
        SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, state->gl_buffer_size);
        SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, state->gl_depth_size);
        SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, state->gl_stencil_size);
        SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE, state->gl_accum_red_size);
        SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE, state->gl_accum_green_size);
        SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE, state->gl_accum_blue_size);
        SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE, state->gl_accum_alpha_size);
        SDL_GL_SetAttribute(SDL_GL_STEREO, state->gl_stereo);
        SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, state->gl_multisamplebuffers);
        SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, state->gl_multisamplesamples);
        if (state->gl_accelerated >= 0) {
            SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL,
                                state->gl_accelerated);
        }
        SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, state->gl_retained_backing);
        if (state->gl_major_version) {
            SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, state->gl_major_version);
            SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, state->gl_minor_version);
        }

        if (state->verbose & VERBOSE_MODES) {
            SDL_DisplayMode mode;
            int bpp;
            Uint32 Rmask, Gmask, Bmask, Amask;

            n = SDL_GetNumVideoDisplays();
            fprintf(stderr, "Number of displays: %d\n", n);
            for (i = 0; i < n; ++i) {
                fprintf(stderr, "Display %d:\n", i);

                SDL_GetDesktopDisplayMode(i, &mode);
                SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
                                           &Bmask, &Amask);
                fprintf(stderr,
                        "  Current mode: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
                        mode.w, mode.h, mode.refresh_rate, bpp,
                        SDL_GetPixelFormatName(mode.format));
                if (Rmask || Gmask || Bmask) {
                    fprintf(stderr, "      Red Mask   = 0x%.8x\n", Rmask);
                    fprintf(stderr, "      Green Mask = 0x%.8x\n", Gmask);
                    fprintf(stderr, "      Blue Mask  = 0x%.8x\n", Bmask);
                    if (Amask)
                        fprintf(stderr, "      Alpha Mask = 0x%.8x\n", Amask);
                }

                /* Print available fullscreen video modes */
                m = SDL_GetNumDisplayModes(i);
                if (m == 0) {
                    fprintf(stderr, "No available fullscreen video modes\n");
                } else {
                    fprintf(stderr, "  Fullscreen video modes:\n");
                    for (j = 0; j < m; ++j) {
                        SDL_GetDisplayMode(i, j, &mode);
                        SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
                                                   &Gmask, &Bmask, &Amask);
                        fprintf(stderr,
                                "    Mode %d: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
                                j, mode.w, mode.h, mode.refresh_rate, bpp,
                                SDL_GetPixelFormatName(mode.format));
                        if (Rmask || Gmask || Bmask) {
                            fprintf(stderr, "        Red Mask   = 0x%.8x\n",
                                    Rmask);
                            fprintf(stderr, "        Green Mask = 0x%.8x\n",
                                    Gmask);
                            fprintf(stderr, "        Blue Mask  = 0x%.8x\n",
                                    Bmask);
                            if (Amask)
                                fprintf(stderr,
                                        "        Alpha Mask = 0x%.8x\n",
                                        Amask);
                        }
                    }
                }
            }
        }

        if (state->verbose & VERBOSE_RENDER) {
            SDL_RendererInfo info;

            n = SDL_GetNumRenderDrivers();
            if (n == 0) {
                fprintf(stderr, "No built-in render drivers\n");
            } else {
                fprintf(stderr, "Built-in render drivers:\n");
                for (i = 0; i < n; ++i) {
                    SDL_GetRenderDriverInfo(i, &info);
                    PrintRenderer(&info);
                }
            }
        }

        SDL_zero(fullscreen_mode);
        switch (state->depth) {
        case 8:
            fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
            break;
        case 15:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
            break;
        case 16:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
            break;
        case 24:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB24;
            break;
        default:
            fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
            break;
        }
        fullscreen_mode.refresh_rate = state->refresh_rate;

        state->windows =
            (SDL_Window **) SDL_malloc(state->num_windows *
                                        sizeof(*state->windows));
        state->renderers =
            (SDL_Renderer **) SDL_malloc(state->num_windows *
                                        sizeof(*state->renderers));
        if (!state->windows || !state->renderers) {
            fprintf(stderr, "Out of memory!\n");
            return SDL_FALSE;
        }
        for (i = 0; i < state->num_windows; ++i) {
            char title[1024];

            if (state->num_windows > 1) {
                SDL_snprintf(title, SDL_arraysize(title), "%s %d",
                             state->window_title, i + 1);
            } else {
                SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
            }
            state->windows[i] =
                SDL_CreateWindow(title, state->window_x, state->window_y,
                                 state->window_w, state->window_h,
                                 state->window_flags);
            if (!state->windows[i]) {
                fprintf(stderr, "Couldn't create window: %s\n",
                        SDL_GetError());
                return SDL_FALSE;
            }
            SDL_GetWindowSize(state->windows[i], &state->window_w, &state->window_h);

            if (SDL_SetWindowDisplayMode(state->windows[i], &fullscreen_mode) < 0) {
                fprintf(stderr, "Can't set up fullscreen display mode: %s\n",
                        SDL_GetError());
                return SDL_FALSE;
            }

            if (state->window_icon) {
                SDL_Surface *icon = LoadIcon(state->window_icon);
                if (icon) {
                    SDL_SetWindowIcon(state->windows[i], icon);
                    SDL_FreeSurface(icon);
                }
            }

            SDL_ShowWindow(state->windows[i]);

            state->renderers[i] = NULL;

            if (!state->skip_renderer
                && (state->renderdriver
                    || !(state->window_flags & SDL_WINDOW_OPENGL))) {
                m = -1;
                if (state->renderdriver) {
                    SDL_RendererInfo info;
                    n = SDL_GetNumRenderDrivers();
                    for (j = 0; j < n; ++j) {
                        SDL_GetRenderDriverInfo(j, &info);
                        if (SDL_strcasecmp(info.name, state->renderdriver) ==
                            0) {
                            m = j;
                            break;
                        }
                    }
                    if (m == n) {
                        fprintf(stderr,
                                "Couldn't find render driver named %s",
                                state->renderdriver);
                        return SDL_FALSE;
                    }
                }
                state->renderers[i] = SDL_CreateRenderer(state->windows[i],
                                            m, state->render_flags);
                if (!state->renderers[i]) {
                    fprintf(stderr, "Couldn't create renderer: %s\n",
                            SDL_GetError());
                    return SDL_FALSE;
                }
                if (state->verbose & VERBOSE_RENDER) {
                    SDL_RendererInfo info;

                    fprintf(stderr, "Current renderer:\n");
                    SDL_GetRendererInfo(state->renderers[i], &info);
                    PrintRenderer(&info);
                }
            }
        }
    }

    if (state->flags & SDL_INIT_AUDIO) {
        if (state->verbose & VERBOSE_AUDIO) {
            n = SDL_GetNumAudioDrivers();
            if (n == 0) {
                fprintf(stderr, "No built-in audio drivers\n");
            } else {
                fprintf(stderr, "Built-in audio drivers:");
                for (i = 0; i < n; ++i) {
                    if (i > 0) {
                        fprintf(stderr, ",");
                    }
                    fprintf(stderr, " %s", SDL_GetAudioDriver(i));
                }
                fprintf(stderr, "\n");
            }
        }
        if (SDL_AudioInit(state->audiodriver) < 0) {
            fprintf(stderr, "Couldn't initialize audio driver: %s\n",
                    SDL_GetError());
            return SDL_FALSE;
        }
        if (state->verbose & VERBOSE_VIDEO) {
            fprintf(stderr, "Audio driver: %s\n",
                    SDL_GetCurrentAudioDriver());
        }

        if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
            fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
            return SDL_FALSE;
        }
    }

    return SDL_TRUE;
}