/**

 * $Id$

 * 

 * Renderer test cases

 *

 * Copyright (c) 2006 Nathan Keynes.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#include <stdio.h>

#include "testdata.h"

#include "pvr.h"

#include "lib.h"

#include "asic.h"

#define OBJ_START 0x00010000

#define OBJ_LENGTH 0x00010000

#define TILE_START 0x00060000

#define TILE_LENGTH 0x00010000

#define TILEMAP_ADDR 0x050B2C8

#define RENDER_ADDR 0x00600000

struct ta_config default_ta_config = { 0x00111111, GRID_SIZE(640,480), OBJ_START,

				       OBJ_START+OBJ_LENGTH, TILE_START+TILE_LENGTH,

				       TILE_START, TILE_START+TILE_LENGTH };

struct render_config default_render_config = { OBJ_START, TILEMAP_ADDR, RENDER_ADDR, 640, 480, 

					       0x00000009, 0.2, 1.0 };

int test_render( test_data_t test_case )

{

    int i;

    /* Check input */

    test_data_block_t input = get_test_data(test_case, "input");

    test_data_block_t event = get_test_data(test_case, "event");

    test_data_block_t backplane = get_test_data(test_case, "backplane");

    if( input == NULL ) {

	fprintf( stderr, "Skipping test '%s' - no input\n", test_case->test_name );

	return -1;

    }

    if( event == NULL ) {

	fprintf( stderr, "Skipping test '%s' - no event list\n", test_case->test_name );

    }

    test_data_block_t tex = get_test_data(test_case, "textures");

    if( tex != NULL ) {

	uint32_t addr = 0xA4000000 + *(uint32_t *)tex->data;

	memcpy( (char *)addr, tex->data+4, tex->length-4 );

	fprintf( stderr, "Loaded %d bytes to %08X\n", tex->length-4, addr );

    }

    test_data_block_t config_data = get_test_data( test_case, "config" );

    struct ta_config *config = &default_ta_config;

    if( config_data != NULL ) {

	if( config_data->length != sizeof(struct ta_config) ) {

	    fprintf( stderr, "Invalid config data length %d - aborting test %s\n",

		     config_data->length, test_case->test_name );

	    return -1;

	}

	config = (struct ta_config *)config_data->data;

    }

    /* Send TA data */

    asic_clear();

    pvr_init();

    ta_init(config);

    default_render_config.polybuf = config->obj_start & 0x00F00000;

    if( pvr_dma_write( 0x10000000, input->data, input->length, 0 ) == -1 ) {

	return -1;

    }

    /* Wait for events */

    for( i=0; i<event->length; i++ ) {

	if( asic_wait( event->data[i] ) == -1 ) {

	    fprintf( stderr, "Test %s: failed (Timeout waiting for event %d)\n",

		     test_case->test_name, event->data[i] );

	    asic_dump( stderr );

	    return -1;

	}

    }

    /* Write backplane (if any) */

    if( backplane != NULL ) {

	uint32_t bgplane = pvr_get_objbuf_posn();

	memcpy( (char *)(PVR_VRAM_BASE + bgplane), backplane->data+4, backplane->length-4 );

	bgplane -= default_render_config.polybuf;

	render_set_backplane( (bgplane << 1) | *(uint32_t *)backplane->data );

    } else {

	render_set_backplane( 0 );

    }

    /* Setup the tilemap */

    pvr_build_tilemap1( TILEMAP_ADDR, config, 0x20000000 );

    render_start( &default_render_config );

    if( asic_wait( EVENT_PVR_RENDER_DONE ) == -1 ) {

	fprintf( stderr, "Test %s: failed (timeout waiting for render)\n",

		 test_case->test_name );

	asic_dump( stderr );

	return -1;

    }

    asic_wait( EVENT_RETRACE );

    display_render( &default_render_config );

    return 0;

}

int main( int argc, char *argv[] ) 

{

    int test_cases = 0;

    int test_failures = 0;

    test_data_t test_data = load_test_dataset(stdin);

    test_data_t test_case = test_data;

    asic_mask_all();

    pvr_init();

    while( test_case != NULL ) {

	test_cases++;

	int result = test_render(test_case);

	if( result != 0 ) {

	    test_failures++;

	}

	test_case = test_case->next;

    }

    asic_clear();

    asic_wait(EVENT_RETRACE);

    asic_clear();

    asic_wait(EVENT_RETRACE);

    free_test_dataset(test_data);

    if( test_failures != 0 ) {

	fprintf( stderr, "%d/%d test failures!\n", test_failures, test_cases );

	return 1;

    } else {

	fprintf( stderr, "%d tests OK\n", test_cases );

	return 0;

    }

}