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/*
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 * Copyright © 2011 Intel Corporation
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 *
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 * Permission is hereby granted, free of charge, to any person
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 * obtaining a copy of this software and associated documentation
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 * files (the "Software"), to deal in the Software without
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 * restriction, including without limitation the rights to use, copy,
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 * modify, merge, publish, distribute, sublicense, and/or sell copies
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 * of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 *
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 * Author: Chris Wilson <chris@chris-wilson.co.uk>
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 */
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/* Compares the overhead for WebKit's drawRect() */
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#include "cairo-perf.h"
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#include <pixman.h>
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static cairo_time_t
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clip_paint (cairo_t *cr, int width, int height, int loops)
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{
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    int x = width/4, w = width/2;
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    int y = height/4, h = height/2;
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    cairo_perf_timer_start ();
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    while (loops--) {
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	cairo_reset_clip (cr);
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	cairo_rectangle (cr, x, y, w, h);
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	cairo_clip (cr);
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	cairo_paint (cr);
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    }
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    cairo_perf_timer_stop ();
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    return cairo_perf_timer_elapsed ();
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}
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static cairo_time_t
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rect_fill (cairo_t *cr, int width, int height, int loops)
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{
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    int x = width/4, w = width/2;
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    int y = height/4, h = height/2;
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    cairo_perf_timer_start ();
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    while (loops--) {
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	cairo_rectangle (cr, x, y, w, h);
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	cairo_fill (cr);
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    }
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    cairo_perf_timer_stop ();
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    return cairo_perf_timer_elapsed ();
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}
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static cairo_time_t
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direct (cairo_t *cr, int width, int height, int loops)
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{
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    int x = width/4, w = width/2;
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    int y = height/4, h = height/2;
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    cairo_surface_t *surface, *image;
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    uint8_t *data;
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    int stride, bpp;
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    surface = cairo_get_target (cr);
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    image = cairo_surface_map_to_image (surface, NULL);
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    data = cairo_image_surface_get_data (image);
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    stride = cairo_image_surface_get_stride (image);
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    switch (cairo_image_surface_get_format (image)) {
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    default:
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    case CAIRO_FORMAT_INVALID:
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    case CAIRO_FORMAT_A1: bpp = 0; break;
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    case CAIRO_FORMAT_A8: bpp = 8; break;
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    case CAIRO_FORMAT_RGB16_565: bpp = 16; break;
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    case CAIRO_FORMAT_RGB24:
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    case CAIRO_FORMAT_RGB30:
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    case CAIRO_FORMAT_ARGB32: bpp = 32; break;
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    case CAIRO_FORMAT_RGB96F: bpp = 96; break;
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    case CAIRO_FORMAT_RGBA128F: bpp = 128; break;
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    }
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    cairo_perf_timer_start ();
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    while (loops--) {
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	pixman_fill ((uint32_t *)data, stride / sizeof(uint32_t), bpp,
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		     x, y, w, h,
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		     -1);
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    }
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    cairo_perf_timer_stop ();
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    cairo_surface_unmap_image (surface, image);
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    return cairo_perf_timer_elapsed ();
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}
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cairo_bool_t
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fill_clip_enabled (cairo_perf_t *perf)
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{
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    return cairo_perf_can_run (perf, "fillclip", NULL);
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}
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void
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fill_clip (cairo_perf_t *perf, cairo_t *cr, int width, int height)
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{
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    cairo_set_source_rgb (cr, 1., 1., 1.);
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    cairo_perf_run (perf, "fillclip-clip", clip_paint, NULL);
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    cairo_perf_run (perf, "fillclip-fill", rect_fill, NULL);
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    cairo_perf_run (perf, "fillclip-direct", direct, NULL);
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}