C++ (Cpp) SDL_SW_LockYUVTexture Examples

Example #1

File: SDL_d3drender.c Project: Alocaly/dolphin-player.nextgen

static int
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
                const SDL_Rect * rect, int markDirty, void **pixels,
                int *pitch)
{
    D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;

    if (data->yuv) {
        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
                                     pitch);
    } else {
        RECT d3drect;
        D3DLOCKED_RECT locked;
        HRESULT result;

        d3drect.left = rect->x;
        d3drect.right = rect->x + rect->w;
        d3drect.top = rect->y;
        d3drect.bottom = rect->y + rect->h;

        result =
            IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect,
                                       markDirty ? 0 :
                                       D3DLOCK_NO_DIRTY_UPDATE);
        if (FAILED(result)) {
            D3D_SetError("LockRect()", result);
            return -1;
        }
        *pixels = locked.pBits;
        *pitch = locked.Pitch;
        return 0;
    }
}

Example #2

File: SDL_gdirender.c Project: weimingtom/eriri_lua

static int
GDI_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
                const SDL_Rect * rect, int markDirty, void **pixels,
                int *pitch)
{
    GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;

    if (data->yuv) {
        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
                                     pitch);
    } else if (data->pixels) {
#ifndef _WIN32_WCE
        /* WinCE has no GdiFlush */
        GdiFlush();
#endif
        *pixels =
            (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
                      rect->x * SDL_BYTESPERPIXEL(texture->format));
        *pitch = data->pitch;
        return 0;
    } else {
        SDL_SetError("No pixels available");
        return -1;
    }
}

Example #3

File: SDL_renderer_sw.c Project: dodikk/iWesnoth

static int
SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
               const SDL_Rect * rect, int markDirty, void **pixels,
               int *pitch)
{
    if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
        return SDL_SW_LockYUVTexture((SDL_SW_YUVTexture *)
                                     texture->driverdata, rect, markDirty,
                                     pixels, pitch);
    } else {
        SDL_Surface *surface = (SDL_Surface *) texture->driverdata;

        *pixels =
            (void *) ((Uint8 *) surface->pixels + rect->y * surface->pitch +
                      rect->x * surface->format->BytesPerPixel);
        *pitch = surface->pitch;
        return 0;
    }
}

Example #4

File: SDL_x11render.c Project: Avin15/dospad

static int
X11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
                const SDL_Rect * rect, int markDirty, void **pixels,
                int *pitch)
{
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;

    if (data->yuv) {
        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
                                     pitch);
    } else if (data->pixels) {
        *pixels =
            (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
                      rect->x * SDL_BYTESPERPIXEL(texture->format));
        *pitch = data->pitch;
        return 0;
    } else {
        SDL_SetError("No pixels available");
        return -1;
    }
}

Example #5

File: SDL_render.c Project: ryanzhao006/IOSAVDecode

static int
SDL_LockTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
                   void **pixels, int *pitch)
{
    return SDL_SW_LockYUVTexture(texture->yuv, rect, pixels, pitch);
}