Esempio n. 1
0
/* Calculate or load a palette, depending on configuration.  */
int video_color_update_palette(struct video_canvas_s *canvas)
{
    palette_t *palette;
    video_ycbcr_palette_t *ycbcr;
    video_resources_t *video_resources;

    DBG(("video_color_update_palette canvas: %p", canvas));

    if (canvas == NULL) {
        return 0;
    }
    canvas->videoconfig->color_tables.updated = 1;

    DBG(("video_color_update_palette cbm palette:%d extern: %d",
         canvas->videoconfig->cbm_palette ? 1 : 0, canvas->videoconfig->external_palette ? 1 : 0));

    if (canvas->videoconfig->cbm_palette == NULL) {
        return 0;
    }

    video_resources = &(canvas->videoconfig->video_resources);

    if (canvas->videoconfig->external_palette) {
        palette = video_load_palette(canvas->videoconfig->cbm_palette,
                                     canvas->videoconfig->external_palette_name);

        if (!palette) {
            return -1;
        }

        video_calc_gammatable(video_resources);
        ycbcr = video_ycbcr_palette_create(palette->num_entries);
        video_palette_to_ycbcr(palette, ycbcr);
        video_calc_ycbcrtable(video_resources, ycbcr, &canvas->videoconfig->color_tables);
        if (canvas->videoconfig->filter == VIDEO_FILTER_CRT) {
            palette_free(palette);
            palette = video_calc_palette(canvas, ycbcr);
        }
        /* additional table for odd lines */
        video_palette_to_ycbcr_oddlines(palette, ycbcr);
        video_calc_ycbcrtable_oddlines(video_resources, ycbcr, &canvas->videoconfig->color_tables);
    } else {
        video_calc_gammatable(video_resources);
        ycbcr = video_ycbcr_palette_create(canvas->videoconfig->cbm_palette->num_entries);
        video_cbm_palette_to_ycbcr(canvas->videoconfig->cbm_palette, ycbcr);
        video_calc_ycbcrtable(video_resources, ycbcr, &canvas->videoconfig->color_tables);
        palette = video_calc_palette(canvas, ycbcr);
        /* additional table for odd lines */
        video_cbm_palette_to_ycbcr_oddlines(video_resources, canvas->videoconfig->cbm_palette, ycbcr);
        video_calc_ycbcrtable_oddlines(video_resources, ycbcr, &canvas->videoconfig->color_tables);
    }

    video_ycbcr_palette_free(ycbcr);

    if (palette != NULL) {
        return video_canvas_palette_set(canvas, palette);
    }

    return -1;
}
Esempio n. 2
0
/* Calculate or load a palette, depending on configuration.  */
int video_color_update_palette(struct video_canvas_s *canvas)
{
    palette_t *palette;
    video_ycbcr_palette_t *ycbcr;
    video_resources_t *video_resources;
    int video;

    DBG(("video_color_update_palette canvas: %p", canvas));

    if (canvas == NULL) {
        return 0;
    }
    canvas->videoconfig->color_tables.updated = 1;

    DBG(("video_color_update_palette cbm palette:%d extern: %d",
         canvas->videoconfig->cbm_palette ? 1 : 0, canvas->videoconfig->external_palette ? 1 : 0));

    if (canvas->videoconfig->cbm_palette == NULL) {
        return 0;
    }


    /*resources_get_int("MachineVideoStandard", &video);*/
    video = canvas->viewport->crt_type;
    video_resources = &(canvas->videoconfig->video_resources);

#if 0
    /* setup the palette params so we get 100% the same as in peptos calculations */
    video_resources->color_saturation = 1000;
    video_resources->color_brightness = 1000;
    video_resources->color_contrast = 1000;
    video_resources->color_tint = 1000;
    canvas->videoconfig->cbm_palette->saturation = 34.0081334493f;
    canvas->videoconfig->cbm_palette->phase = 0;
    DBG(("sat:%d bri:%d con:%d tin:%d",
         video_resources->color_saturation,
         video_resources->color_brightness,
         video_resources->color_contrast,
         video_resources->color_tint
    ));
#endif

    if (canvas->videoconfig->external_palette) {
        palette = video_load_palette(canvas->videoconfig->cbm_palette,
                                     canvas->videoconfig->external_palette_name);

        if (!palette) {
            return -1;
        }

        video_calc_gammatable(video_resources, video);
        ycbcr = video_ycbcr_palette_create(palette->num_entries);
        video_palette_to_ycbcr(palette, ycbcr, video);
        video_calc_ycbcrtable(video_resources, ycbcr, &canvas->videoconfig->color_tables, video);
        if (canvas->videoconfig->filter == VIDEO_FILTER_CRT) {
            palette_free(palette);
            palette = video_calc_palette(canvas, ycbcr, video);
        }
        /* additional table for odd lines */
        video_palette_to_ycbcr_oddlines(palette, ycbcr, video);
        video_calc_ycbcrtable_oddlines(video_resources, ycbcr, &canvas->videoconfig->color_tables, video);
    } else {
        video_calc_gammatable(video_resources, video);
        ycbcr = video_ycbcr_palette_create(canvas->videoconfig->cbm_palette->num_entries);
        video_cbm_palette_to_ycbcr(canvas->videoconfig->cbm_palette, ycbcr, video);
        video_calc_ycbcrtable(video_resources, ycbcr, &canvas->videoconfig->color_tables, video);
        palette = video_calc_palette(canvas, ycbcr, video);
        /* additional table for odd lines */
        video_cbm_palette_to_ycbcr_oddlines(video_resources, canvas->videoconfig->cbm_palette, ycbcr, video);
        video_calc_ycbcrtable_oddlines(video_resources, ycbcr, &canvas->videoconfig->color_tables, video);
    }

    video_ycbcr_palette_free(ycbcr);

    if (palette != NULL) {
        return video_canvas_palette_set(canvas, palette);
    }

    return -1;
}