ab9fd1840b
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27926 a1c6a512-1295-4272-9138-f99709370657
136 lines
4 KiB
C
136 lines
4 KiB
C
/*****************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// __ \_/ ___\| |/ /| __ \ / __ \ \/ /
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* Jukebox | | ( (__) ) \___| ( | \_\ ( (__) ) (
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 Andrew Mahone
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*
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* scaler benchmark
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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#include "lib/jpeg_mem.h"
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static unsigned char output;
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static int output_y = 0;
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static int font_h;
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static unsigned char *plugin_buf;
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struct img_part part;
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/* a null output plugin to save memory and better isolate scale cost */
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static unsigned int get_size_null(struct bitmap *bm)
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{
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(void) bm;
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return 1;
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}
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static void output_row_null(uint32_t row, void * row_in,
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struct scaler_context *ctx)
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{
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(void) row;
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uint32_t *in = (uint32_t *)row_in;
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#ifdef HAVE_LCD_COLOR
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uint32_t *lim = in + ctx->bm->width * 3;
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#else
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uint32_t *lim = in + ctx->bm->width;
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#endif
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while (in < lim)
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output = SC_OUT(*in++, ctx);
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return;
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}
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struct img_part *store_part_null(void *args)
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{
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(void) args;
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part.len = 256;
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part.buf = (typeof(part.buf))plugin_buf;
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return ∂
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}
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const struct custom_format format_null = {
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.output_row_8 = NULL,
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#ifdef HAVE_LCD_COLOR
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.output_row_32 = {
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output_row_null,
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output_row_null
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},
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#else
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.output_row_32 = output_row_null,
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#endif
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.get_size = get_size_null
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};
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#define lcd_printf(...) \
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do { \
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rb->lcd_putsxyf(0, output_y, __VA_ARGS__); \
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rb->lcd_update_rect(0, output_y, LCD_WIDTH, font_h); \
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output_y += font_h; \
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} while (0)
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/* this is the plugin entry point */
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enum plugin_status plugin_start(const void* parameter)
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{
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size_t plugin_buf_len;
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plugin_buf = (unsigned char *)rb->plugin_get_buffer(&plugin_buf_len);
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struct bitmap bm;
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struct dim in_dim;
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struct rowset rset = {
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.rowstep = 1,
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.rowstart = 0,
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};
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(void)parameter;
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rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
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rb->lcd_fillrect(0, 0, LCD_WIDTH, LCD_HEIGHT);
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rb->lcd_set_drawmode(DRMODE_SOLID);
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rb->lcd_getstringsize("A", NULL, &font_h);
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bm.data = plugin_buf;
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int in, out;
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for (in = 64; in < 1025; in <<= 2)
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{
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for (out = 64; out < 257; out <<= 1)
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{
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if (in == out)
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continue;
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lcd_printf("timing %dx%d->%dx>%d scale", in, in, out, out);
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long t1, t2, t_end;
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int count = 0;
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t2 = *(rb->current_tick);
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in_dim.width = in_dim.height = in;
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bm.width = bm.height = rset.rowstop = out;
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while (t2 != (t1 = *(rb->current_tick)));
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t_end = t1 + 10 * HZ;
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do {
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resize_on_load(&bm, false, &in_dim, &rset, (unsigned char *)plugin_buf, plugin_buf_len, &format_null, IF_PIX_FMT(0,) store_part_null, NULL);
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count++;
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t2 = *(rb->current_tick);
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} while (TIME_BEFORE(t2, t_end) || count < 10);
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t2 -= t1;
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t2 *= 10;
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t2 += count >> 1;
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t2 /= count;
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t1 = t2 / 1000;
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t2 -= t1 * 1000;
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lcd_printf("%01d.%03d secs/scale", (int)t1, (int)t2);
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if (!(bm.width && bm.height))
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break;
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}
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}
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while (rb->get_action(CONTEXT_STD,1) != ACTION_STD_OK) rb->yield();
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return PLUGIN_OK;
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}
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