Function SDL_LockTextureToSurface

deps/SDL2/src/render/SDL_render.c:1740–1774

}

int
SDL_LockTextureToSurface(SDL_Texture *texture, const SDL_Rect *rect,
                         SDL_Surface **surface)
{
    SDL_Rect real_rect;
    void *pixels = NULL;
    int pitch, ret;

    if (texture == NULL || surface == NULL) {
        return -1;
    }

    real_rect.x = 0;
    real_rect.y = 0;
    real_rect.w = texture->w;
    real_rect.h = texture->h;

    if (rect) {
        SDL_IntersectRect(rect, &real_rect, &real_rect);
    }

    ret = SDL_LockTexture(texture, &real_rect, &pixels, &pitch);
    if (ret < 0) {
        return ret;
    }

    texture->locked_surface = SDL_CreateRGBSurfaceWithFormatFrom(pixels, real_rect.w, real_rect.h, 0, pitch, texture->format);
    if (texture->locked_surface == NULL) {
        SDL_UnlockTexture(texture);
        return -1;
    }

    *surface = texture->locked_surface;
    return 0;
}

#if SDL_HAVE_YUV
static void