view src/video/photon/SDL_photon_pixelfmt.c @ 3469:8c5fb2a3b11d

RenderReadPixels and RenderWritePixels functions work with back buffer now and all asynchronous operations are flushed before reading or writing to backbuffer. Thanks Sam for clarification of this.
author Mike Gorchak <lestat@i.com.ua>
date Sat, 21 Nov 2009 06:17:50 +0000
parents f96615051c8c
children f7b03b6838cb
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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 Photon GUI SDL driver
    Copyright (C) 2009 Mike Gorchak
    (mike@malva.ua, lestat@i.com.ua)
*/

#include "SDL_photon_pixelfmt.h"

uint32_t
photon_bits_to_sdl_pixelformat(uint32_t pixelfmt)
{
    switch (pixelfmt) {
    case 8:
        {
            return SDL_PIXELFORMAT_INDEX8;
        }
        break;
    case 15:
        {
            return SDL_PIXELFORMAT_ARGB1555;
        }
        break;
    case 16:
        {
            return SDL_PIXELFORMAT_RGB565;
        }
        break;
    case 24:
        {
            return SDL_PIXELFORMAT_RGB888;
        }
        break;
    case 32:
        {
            return SDL_PIXELFORMAT_ARGB8888;
        }
        break;
    }
}

uint32_t
photon_sdl_to_bits_pixelformat(uint32_t pixelfmt)
{
    switch (pixelfmt) {
    case SDL_PIXELFORMAT_INDEX8:
        {
            return 8;
        }
        break;
    case SDL_PIXELFORMAT_ARGB1555:
        {
            return 15;
        }
        break;
    case SDL_PIXELFORMAT_RGB555:
        {
            return 15;
        }
        break;
    case SDL_PIXELFORMAT_ABGR1555:
        {
            return 15;
        }
        break;
    case SDL_PIXELFORMAT_RGB565:
        {
            return 16;
        }
        break;
    case SDL_PIXELFORMAT_RGB24:
        {
            return 24;
        }
        break;
    case SDL_PIXELFORMAT_RGB888:
        {
            return 32;
        }
        break;
    case SDL_PIXELFORMAT_BGRA8888:
        {
            return 32;
        }
        break;
    case SDL_PIXELFORMAT_ARGB8888:
        {
            return 32;
        }
        break;
    case SDL_PIXELFORMAT_YV12:
        {
            return 8;
        }
        break;
    case SDL_PIXELFORMAT_YUY2:
        {
            return 16;
        }
        break;
    case SDL_PIXELFORMAT_UYVY:
        {
            return 16;
        }
        break;
    case SDL_PIXELFORMAT_YVYU:
        {
            return 16;
        }
        break;
    }

    return 0;
}

uint32_t
photon_image_to_sdl_pixelformat(uint32_t pixelfmt)
{
    switch (pixelfmt) {
    case Pg_IMAGE_PALETTE_BYTE:
        {
            return SDL_PIXELFORMAT_INDEX8;
        }
        break;
    case Pg_IMAGE_DIRECT_8888:
        {
            return SDL_PIXELFORMAT_ARGB8888;
        }
        break;
    case Pg_IMAGE_DIRECT_888:
        {
            return SDL_PIXELFORMAT_RGB24;
        }
        break;
    case Pg_IMAGE_DIRECT_565:
        {
            return SDL_PIXELFORMAT_RGB565;
        }
        break;
    case Pg_IMAGE_DIRECT_555:
        {
            return SDL_PIXELFORMAT_RGB555;
        }
        break;
    case Pg_IMAGE_DIRECT_1555:
        {
            return SDL_PIXELFORMAT_ARGB1555;
        }
        break;
    }

    return 0;
}

uint32_t
photon_sdl_to_image_pixelformat(uint32_t pixelfmt)
{
    switch (pixelfmt) {
    case SDL_PIXELFORMAT_INDEX8:
        {
            return Pg_IMAGE_PALETTE_BYTE;
        }
        break;
    case SDL_PIXELFORMAT_ARGB8888:
        {
            return Pg_IMAGE_DIRECT_8888;
        }
        break;
    case SDL_PIXELFORMAT_RGB888:
        {
            return Pg_IMAGE_DIRECT_8888;
        }
        break;
    case SDL_PIXELFORMAT_RGB24:
        {
            return Pg_IMAGE_DIRECT_888;
        }
        break;
    case SDL_PIXELFORMAT_RGB565:
        {
            return Pg_IMAGE_DIRECT_565;
        }
        break;
    case SDL_PIXELFORMAT_ARGB1555:
        {
            return Pg_IMAGE_DIRECT_1555;
        }
        break;
    case SDL_PIXELFORMAT_RGB555:
        {
            return Pg_IMAGE_DIRECT_555;
        }
        break;
    }

    return 0;
}

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