/*

    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"

#if SDL_VIDEO_RENDER_D3D

#include "SDL_win32video.h"

#include "../SDL_yuv_sw_c.h"

/* Direct3D renderer implementation */

static SDL_Renderer *SDL_D3D_CreateRenderer(SDL_Window * window,

                                            Uint32 flags);

static int SDL_D3D_CreateTexture(SDL_Renderer * renderer,

                                 SDL_Texture * texture);

static int SDL_D3D_QueryTexturePixels(SDL_Renderer * renderer,

                                      SDL_Texture * texture, void **pixels,

                                      int *pitch);

static int SDL_D3D_SetTexturePalette(SDL_Renderer * renderer,

                                     SDL_Texture * texture,

                                     const SDL_Color * colors, int firstcolor,

                                     int ncolors);

static int SDL_D3D_GetTexturePalette(SDL_Renderer * renderer,

                                     SDL_Texture * texture,

                                     SDL_Color * colors, int firstcolor,

                                     int ncolors);

static int SDL_D3D_UpdateTexture(SDL_Renderer * renderer,

                                 SDL_Texture * texture, const SDL_Rect * rect,

                                 const void *pixels, int pitch);

static int SDL_D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,

                               const SDL_Rect * rect, int markDirty,

                               void **pixels, int *pitch);

static void SDL_D3D_UnlockTexture(SDL_Renderer * renderer,

                                  SDL_Texture * texture);

static void SDL_D3D_DirtyTexture(SDL_Renderer * renderer,

                                 SDL_Texture * texture, int numrects,

                                 const SDL_Rect * rects);

static void SDL_D3D_SelectRenderTexture(SDL_Renderer * renderer,

                                        SDL_Texture * texture);

static int SDL_D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect,

                              Uint32 color);

static int SDL_D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,

                              const SDL_Rect * srcrect,

                              const SDL_Rect * dstrect, int blendMode,

                              int scaleMode);

static int SDL_D3D_RenderReadPixels(SDL_Renderer * renderer,

                                    const SDL_Rect * rect, void *pixels,

                                    int pitch);

static int SDL_D3D_RenderWritePixels(SDL_Renderer * renderer,

                                     const SDL_Rect * rect,

                                     const void *pixels, int pitch);

static void SDL_D3D_RenderPresent(SDL_Renderer * renderer);

static void SDL_D3D_DestroyTexture(SDL_Renderer * renderer,

                                   SDL_Texture * texture);

static void SDL_D3D_DestroyRenderer(SDL_Renderer * renderer);

SDL_RenderDriver SDL_D3D_RenderDriver = {

    SDL_D3D_CreateRenderer,

    {

     "d3d",

     (SDL_TextureBlendMode_None |

      SDL_TextureBlendMode_Mask | SDL_TextureBlendMode_Blend),

     (SDL_TextureScaleMode_None | SDL_TextureScaleMode_Fast),

     11,

     {

      SDL_PixelFormat_Index8,

      SDL_PixelFormat_RGB555,

      SDL_PixelFormat_RGB565,

      SDL_PixelFormat_RGB888,

      SDL_PixelFormat_BGR888,

      SDL_PixelFormat_ARGB8888,

      SDL_PixelFormat_RGBA8888,

      SDL_PixelFormat_ABGR8888,

      SDL_PixelFormat_BGRA8888,

      SDL_PixelFormat_YUY2,

      SDL_PixelFormat_UYVY},

     0,

     0}

};

typedef struct

{

    IDirect3DDevice9 *device;

} SDL_D3D_RenderData;

typedef struct

{

    SDL_SW_YUVTexture *yuv;

} SDL_D3D_TextureData;

static void

UpdateYUVTextureData(SDL_Texture * texture)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    SDL_Rect rect;

    rect.x = 0;

    rect.y = 0;

    rect.w = texture->w;

    rect.h = texture->h;

    //SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,

    //                    texture->h, data->pixels, data->pitch);

}

void

D3D_AddRenderDriver(_THIS)

{

    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

    if (data->d3d) {

        SDL_AddRenderDriver(0, &SDL_D3D_RenderDriver);

    }

}

SDL_Renderer *

SDL_D3D_CreateRenderer(SDL_Window * window, Uint32 flags)

{

    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);

    SDL_VideoData *videodata = (SDL_VideoData *) display->device->driverdata;

    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;

    SDL_Renderer *renderer;

    SDL_D3D_RenderData *data;

    renderer = (SDL_Renderer *) SDL_malloc(sizeof(*renderer));

    if (!renderer) {

        SDL_OutOfMemory();

        return NULL;

    }

    SDL_zerop(renderer);

    data = (SDL_D3D_RenderData *) SDL_malloc(sizeof(*data));

    if (!data) {

        SDL_D3D_DestroyRenderer(renderer);

        SDL_OutOfMemory();

        return NULL;

    }

    SDL_zerop(data);

    renderer->CreateTexture = SDL_D3D_CreateTexture;

    renderer->QueryTexturePixels = SDL_D3D_QueryTexturePixels;

    renderer->SetTexturePalette = SDL_D3D_SetTexturePalette;

    renderer->GetTexturePalette = SDL_D3D_GetTexturePalette;

    renderer->UpdateTexture = SDL_D3D_UpdateTexture;

    renderer->LockTexture = SDL_D3D_LockTexture;

    renderer->UnlockTexture = SDL_D3D_UnlockTexture;

    renderer->DirtyTexture = SDL_D3D_DirtyTexture;

    renderer->SelectRenderTexture = SDL_D3D_SelectRenderTexture;

    renderer->RenderFill = SDL_D3D_RenderFill;

    renderer->RenderCopy = SDL_D3D_RenderCopy;

    renderer->RenderReadPixels = SDL_D3D_RenderReadPixels;

    renderer->RenderWritePixels = SDL_D3D_RenderWritePixels;

    renderer->RenderPresent = SDL_D3D_RenderPresent;

    renderer->DestroyTexture = SDL_D3D_DestroyTexture;

    renderer->DestroyRenderer = SDL_D3D_DestroyRenderer;

    renderer->info = SDL_D3D_RenderDriver.info;

    renderer->window = window->id;

    renderer->driverdata = data;

    renderer->info.flags = SDL_Renderer_RenderTarget;

    return renderer;

}

static int

SDL_D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)

{

    SDL_D3D_RenderData *renderdata =

        (SDL_D3D_RenderData *) renderer->driverdata;

    SDL_Window *window = SDL_GetWindowFromID(renderer->window);

    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);

    SDL_D3D_TextureData *data;

    data = (SDL_D3D_TextureData *) SDL_malloc(sizeof(*data));

    if (!data) {

        SDL_OutOfMemory();

        return -1;

    }

    SDL_zerop(data);

    texture->driverdata = data;

    return 0;

}

static int

SDL_D3D_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,

                           void **pixels, int *pitch)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (data->yuv) {

        return SDL_SW_QueryYUVTexturePixels(data->yuv, pixels, pitch);

    } else {

        return 0;

    }

}

static int

SDL_D3D_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,

                          const SDL_Color * colors, int firstcolor,

                          int ncolors)

{

    SDL_D3D_RenderData *renderdata =

        (SDL_D3D_RenderData *) renderer->driverdata;

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (data->yuv) {

        SDL_SetError("YUV textures don't have a palette");

        return -1;

    } else {

        return 0;

    }

}

static int

SDL_D3D_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,

                          SDL_Color * colors, int firstcolor, int ncolors)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (data->yuv) {

        SDL_SetError("YUV textures don't have a palette");

        return -1;

    } else {

        return 0;

    }

}

static int

SDL_D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,

                      const SDL_Rect * rect, const void *pixels, int pitch)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (data->yuv) {

        if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {

            return -1;

        }

        UpdateYUVTextureData(texture);

        return 0;

    } else {

        SDL_D3D_RenderData *renderdata =

            (SDL_D3D_RenderData *) renderer->driverdata;

        return 0;

    }

}

static int

SDL_D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,

                    const SDL_Rect * rect, int markDirty, void **pixels,

                    int *pitch)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (data->yuv) {

        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,

                                     pitch);

    } else {

    }

}

static void

SDL_D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (data->yuv) {

        SDL_SW_UnlockYUVTexture(data->yuv);

        UpdateYUVTextureData(texture);

    }

}

static void

SDL_D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,

                     int numrects, const SDL_Rect * rects)

{

}

static void

SDL_D3D_SelectRenderTexture(SDL_Renderer * renderer, SDL_Texture * texture)

{

    SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;

}

static int

SDL_D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect,

                   Uint32 color)

{

    SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;

    return 0;

}

static int

SDL_D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,

                   const SDL_Rect * srcrect, const SDL_Rect * dstrect,

                   int blendMode, int scaleMode)

{

    SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;

    SDL_D3D_TextureData *texturedata =

        (SDL_D3D_TextureData *) texture->driverdata;

    return 0;

}

static int

SDL_D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,

                         void *pixels, int pitch)

{

    SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;

    return 0;

}

static int

SDL_D3D_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,

                          const void *pixels, int pitch)

{

    SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;

    return 0;

}

static void

SDL_D3D_RenderPresent(SDL_Renderer * renderer)

{

}

static void

SDL_D3D_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)

{

    SDL_D3D_TextureData *data = (SDL_D3D_TextureData *) texture->driverdata;

    if (!data) {

        return;

    }

    SDL_free(data);

    texture->driverdata = NULL;

}

void

SDL_D3D_DestroyRenderer(SDL_Renderer * renderer)

{

    SDL_D3D_RenderData *data = (SDL_D3D_RenderData *) renderer->driverdata;