view src/video/cocoa/SDL_cocoavideo.m @ 2844:70b63882d2ef

The YCbCr texture extension works now that bytes_per_pixel() returns the correct value for YUV textures. Yay! I'm still cheering for Ryan's pixel shader instead, since once it works different shaders can handle all the YUV formats.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 06 Dec 2008 18:37:06 +0000
parents d87417504c75
children 99210400e8b9
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#include "SDL_cocoavideo.h"

/* Initialization/Query functions */
static int Cocoa_VideoInit(_THIS);
static void Cocoa_VideoQuit(_THIS);

/* Cocoa driver bootstrap functions */

static int
Cocoa_Available(void)
{
    return (1);
}

static void
Cocoa_DeleteDevice(SDL_VideoDevice * device)
{
    SDL_VideoData *data = (SDL_VideoData *) device->driverdata;

    SDL_free(device->driverdata);
    SDL_free(device);
}

static SDL_VideoDevice *
Cocoa_CreateDevice(int devindex)
{
    SDL_VideoDevice *device;
    SDL_VideoData *data;

    Cocoa_RegisterApp();

    /* Initialize all variables that we clean on shutdown */
    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
    if (device) {
        data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
    }
    if (!device || !data) {
        SDL_OutOfMemory();
        if (device) {
            SDL_free(device);
        }
        return NULL;
    }
    device->driverdata = data;

    /* Find out what version of Mac OS X we're running */
    Gestalt(gestaltSystemVersion, &data->osversion);

    /* Set the function pointers */
    device->VideoInit = Cocoa_VideoInit;
    device->VideoQuit = Cocoa_VideoQuit;
    device->GetDisplayModes = Cocoa_GetDisplayModes;
    device->SetDisplayMode = Cocoa_SetDisplayMode;
    device->PumpEvents = Cocoa_PumpEvents;

    device->CreateWindow = Cocoa_CreateWindow;
    device->CreateWindowFrom = Cocoa_CreateWindowFrom;
    device->SetWindowTitle = Cocoa_SetWindowTitle;
    device->SetWindowPosition = Cocoa_SetWindowPosition;
    device->SetWindowSize = Cocoa_SetWindowSize;
    device->ShowWindow = Cocoa_ShowWindow;
    device->HideWindow = Cocoa_HideWindow;
    device->RaiseWindow = Cocoa_RaiseWindow;
    device->MaximizeWindow = Cocoa_MaximizeWindow;
    device->MinimizeWindow = Cocoa_MinimizeWindow;
    device->RestoreWindow = Cocoa_RestoreWindow;
    device->SetWindowGrab = Cocoa_SetWindowGrab;
    device->DestroyWindow = Cocoa_DestroyWindow;
    device->GetWindowWMInfo = Cocoa_GetWindowWMInfo;
#ifdef SDL_VIDEO_OPENGL_CGL
    device->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
    device->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
    device->GL_CreateContext = Cocoa_GL_CreateContext;
    device->GL_MakeCurrent = Cocoa_GL_MakeCurrent;
    device->GL_SetSwapInterval = Cocoa_GL_SetSwapInterval;
    device->GL_GetSwapInterval = Cocoa_GL_GetSwapInterval;
    device->GL_SwapWindow = Cocoa_GL_SwapWindow;
    device->GL_DeleteContext = Cocoa_GL_DeleteContext;
#endif

    device->free = Cocoa_DeleteDevice;

    return device;
}

VideoBootStrap COCOA_bootstrap = {
    "cocoa", "SDL Cocoa video driver",
    Cocoa_Available, Cocoa_CreateDevice
};


int
Cocoa_VideoInit(_THIS)
{
    Cocoa_InitModes(_this);
    Cocoa_InitKeyboard(_this);
    Cocoa_InitMouse(_this);
    return 0;
}

void
Cocoa_VideoQuit(_THIS)
{
    Cocoa_QuitModes(_this);
    Cocoa_QuitKeyboard(_this);
    Cocoa_QuitMouse(_this);
}

/* vim: set ts=4 sw=4 expandtab: */