view src/video/qnxgf/SDL_gf_pixelfmt.c @ 3100:7dc982143c06

Date: Sun, 22 Mar 2009 12:52:29 +0000 From: Luke Benstead Subject: OpenGL 3.0 Context Creation I've attached a patch which implements OpenGL 3.x context creation on the latest SVN. I've added two options to SDL_GL_SetAttribute, these are SDL_GL_CONTEXT_MAJOR_VERSION and SDL_GL_CONTEXT_MINOR_VERSION. These default to 2 and 1 respectively. If the major version is less than 3 then the current context creation method is used, otherwise the appropriate new context creation function is called (depending on the platform). Sample code: if (SDL_Init(SDL_INIT_VIDEO) != 0) { printf("Unable to initialize SDL: %s\n", SDL_GetError()); return 1; } SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); //Without these 2 lines, SDL will create a GL 2.x context SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); SDL_Surface* screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL | SDL_FULLSCREEN ); I've implemented context creation on both Win32 and X and run basic tests on both. This patch doesn't provide access to all the options allowed by the new context creation (e.g. shared contexts, forward compatible contexts) but they can be added pretty easily.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 24 Mar 2009 10:43:53 +0000
parents cad1aefa2ed9
children 7f684f249ec9
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 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

    QNX Graphics Framework SDL driver
    Copyright (C) 2009 Mike Gorchak
    (mike@malva.ua, lestat@i.com.ua)
*/

#include "SDL_config.h"
#include "SDL_gf_pixelfmt.h"

gf_format_t qnxgf_sdl_to_gf_pixelformat(uint32_t pixelfmt)
{
   switch(pixelfmt)
   {
      case SDL_PIXELFORMAT_INDEX8:
           {
              return GF_FORMAT_PAL8;
           }
           break;
      case SDL_PIXELFORMAT_ARGB1555:
           {
              return GF_FORMAT_PACK_ARGB1555;
           }
           break;
      case SDL_PIXELFORMAT_ABGR1555:
           {
              return GF_FORMAT_PACK_ARGB1555;
           }
           break;
      case SDL_PIXELFORMAT_RGB565:
           {
              return GF_FORMAT_PACK_RGB565;
           }
           break;
      case SDL_PIXELFORMAT_RGB888:
           {
              return GF_FORMAT_BGR888;
           }
           break;
      case SDL_PIXELFORMAT_BGRA8888:
           {
              return GF_FORMAT_BGRA8888;
           }
           break;
      case SDL_PIXELFORMAT_ARGB8888:
           {
              return GF_FORMAT_ARGB8888;
           }
           break;
      case SDL_PIXELFORMAT_YV12:
           {
              return GF_FORMAT_PLANAR_YUV_YV12;
           }
           break;
      case SDL_PIXELFORMAT_YUY2:
           {
              return GF_FORMAT_PACK_YUV_YUY2;
           }
           break;
      case SDL_PIXELFORMAT_UYVY:
           {
              return GF_FORMAT_PACK_YUV_UYVY;
           }
           break;
      case SDL_PIXELFORMAT_YVYU:
           {
              return GF_FORMAT_PACK_YUV_YVYU;
           }
           break;
   }

   return GF_FORMAT_INVALID;
}

uint32_t qnxgf_gf_to_sdl_pixelformat(gf_format_t pixelfmt)
{
   switch(pixelfmt)
   {
      case GF_FORMAT_PAL8:
           {
              return SDL_PIXELFORMAT_INDEX8;
           }
           break;
      case GF_FORMAT_PKLE_ARGB1555:
           {
              return SDL_PIXELFORMAT_ARGB1555;
           }
           break;
      case GF_FORMAT_PACK_ARGB1555:
           {
              return SDL_PIXELFORMAT_ARGB1555;
           }
           break;
      case GF_FORMAT_PKBE_ARGB1555:
           {
              return SDL_PIXELFORMAT_ABGR1555;
           }
           break;
      case GF_FORMAT_PKBE_RGB565:
           {
              return SDL_PIXELFORMAT_RGB565;
           }
           break;
      case GF_FORMAT_PKLE_RGB565:
           {
              return SDL_PIXELFORMAT_RGB565;
           }
           break;
      case GF_FORMAT_PACK_RGB565:
           {
              return SDL_PIXELFORMAT_RGB565;
           }
           break;
      case GF_FORMAT_BGR888:
           {
              return SDL_PIXELFORMAT_RGB888;
           }
           break;
      case GF_FORMAT_BGRA8888:
           {
              return SDL_PIXELFORMAT_BGRA8888;
           }
           break;
      case GF_FORMAT_ARGB8888:
           {
              return SDL_PIXELFORMAT_ARGB8888;
           }
           break;

      case GF_FORMAT_PLANAR_YUV_YV12:
           {
              return SDL_PIXELFORMAT_YV12;
           }
           break;
      case GF_FORMAT_PACK_YUV_YUY2:
           {
              return SDL_PIXELFORMAT_YUY2;
           }
           break;
      case GF_FORMAT_PACK_YUV_UYVY:
           {
              return SDL_PIXELFORMAT_UYVY;
           }
           break;
      case GF_FORMAT_PACK_YUV_YVYU:
           {
              return SDL_PIXELFORMAT_YVYU;
           }
           break;
   }

   return SDL_PIXELFORMAT_UNKNOWN;
}

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