2001-02-24 20:28:24 +00:00
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/*
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*
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* mga_vid_test.c
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*
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* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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* Sept 1999
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*
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* This software has been released under the terms of the GNU Public
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* license. See http://www.gnu.org/copyleft/gpl.html for details.
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*/
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//#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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2001-05-23 19:51:52 +00:00
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#include <inttypes.h>
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2002-05-31 21:42:15 +00:00
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#include <string.h>
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2001-02-24 20:28:24 +00:00
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#include "mga_vid.h"
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mga_vid_config_t config;
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uint8_t *mga_vid_base;
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uint32_t is_g400;
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#define SRC_IMAGE_WIDTH 256
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#define SRC_IMAGE_HEIGHT 256
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uint8_t y_image[SRC_IMAGE_WIDTH * SRC_IMAGE_HEIGHT];
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uint8_t cr_image[SRC_IMAGE_WIDTH * SRC_IMAGE_HEIGHT];
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uint8_t cb_image[SRC_IMAGE_WIDTH * SRC_IMAGE_HEIGHT];
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void
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write_frame_g200(uint8_t *y,uint8_t *cr, uint8_t *cb)
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{
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uint8_t *dest;
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uint32_t bespitch,h,w;
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dest = mga_vid_base;
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bespitch = (config.src_width + 31) & ~31;
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for(h=0; h < config.src_height; h++)
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{
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memcpy(dest, y, config.src_width);
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y += config.src_width;
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dest += bespitch;
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}
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for(h=0; h < config.src_height/2; h++)
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{
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for(w=0; w < config.src_width/2; w++)
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{
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*dest++ = *cb++;
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*dest++ = *cr++;
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}
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dest += bespitch - config.src_width;
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}
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}
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void
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write_frame_g400(uint8_t *y,uint8_t *cr, uint8_t *cb)
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{
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uint8_t *dest;
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uint32_t bespitch,h;
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dest = mga_vid_base;
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bespitch = (config.src_width + 31) & ~31;
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for(h=0; h < config.src_height; h++)
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{
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memcpy(dest, y, config.src_width);
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y += config.src_width;
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dest += bespitch;
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}
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for(h=0; h < config.src_height/2; h++)
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{
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memcpy(dest, cb, config.src_width/2);
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cb += config.src_width/2;
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dest += bespitch/2;
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}
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for(h=0; h < config.src_height/2; h++)
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{
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memcpy(dest, cr, config.src_width/2);
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cr += config.src_width/2;
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dest += bespitch/2;
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}
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}
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void write_frame(uint8_t *y,uint8_t *cr, uint8_t *cb)
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{
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if(is_g400)
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write_frame_g400(y,cr,cb);
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else
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write_frame_g200(y,cr,cb);
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}
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void
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draw_cool_pattern(void)
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{
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int i,x,y;
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i = 0;
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for (y=0; y<config.src_height; y++) {
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for (x=0; x<config.src_width; x++) {
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y_image[i++] = x*x/2 + y*y/2 - 128;
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}
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}
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i = 0;
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for (y=0; y<config.src_height/2; y++)
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for (x=0; x<config.src_width/2; x++)
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{
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cr_image[i++] = x - 128;
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}
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i = 0;
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for (y=0; y<config.src_height/2; y++)
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for (x=0; x<config.src_width/2; x++)
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{
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cb_image[i++] = y - 128;
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}
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}
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void
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draw_color_blend(void)
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{
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int i,x,y;
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i = 0;
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for (y=0; y<config.src_height; y++) {
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for (x=0; x<config.src_width; x++) {
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y_image[i++] = 0;
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}
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}
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i = 0;
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for (y=0; y<config.src_height/2; y++)
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for (x=0; x<config.src_width/2; x++)
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{
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cr_image[i++] = x - 128;
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}
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i = 0;
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for (y=0; y<config.src_height/2; y++)
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for (x=0; x<config.src_width/2; x++)
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{
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cb_image[i++] = y - 128;
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}
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}
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int
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2007-08-31 11:57:57 +00:00
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main(void)
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2001-02-24 20:28:24 +00:00
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{
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int f;
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f = open("/dev/mga_vid",O_RDWR);
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if(f == -1)
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{
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fprintf(stderr,"Couldn't open driver\n");
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exit(1);
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}
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2001-03-11 00:01:03 +00:00
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config.version = MGA_VID_VERSION;
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2001-02-24 20:28:24 +00:00
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config.src_width = SRC_IMAGE_WIDTH;
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config.src_height= SRC_IMAGE_HEIGHT;
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config.dest_width = SRC_IMAGE_WIDTH;
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config.dest_height = SRC_IMAGE_HEIGHT;
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config.x_org= 10;
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config.y_org= 10;
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config.colkey_on = 0;
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config.format = MGA_VID_FORMAT_YV12;
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2001-03-11 00:01:03 +00:00
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config.frame_size=SRC_IMAGE_WIDTH*SRC_IMAGE_HEIGHT*2;
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config.num_frames=1;
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2001-02-24 20:28:24 +00:00
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if (ioctl(f,MGA_VID_CONFIG,&config))
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{
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perror("Error in config ioctl");
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}
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if (config.card_type == MGA_G200)
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{
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printf("Testing MGA G200 Backend Scaler with %d MB of RAM\n", config.ram_size);
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is_g400 = 0;
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}
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else
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{
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printf("Testing MGA G400 Backend Scaler with %d MB of RAM\n", config.ram_size);
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is_g400 = 1;
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}
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ioctl(f,MGA_VID_ON,0);
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mga_vid_base = (uint8_t*)mmap(0,256 * 4096,PROT_WRITE,MAP_SHARED,f,0);
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printf("mga_vid_base = %8p\n",mga_vid_base);
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//memset(y_image,80,256 * 128);
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//memset(cr_image,80,256/2 * 20);
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//memset(cb_image,80,256/2 * 20);
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write_frame(y_image,cr_image,cb_image);
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printf("(1) There should be a green square, offset by 10 pixels from\n"
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" the upper left corner displayed\n");
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sleep(3);
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draw_cool_pattern();
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write_frame(y_image,cr_image,cb_image);
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printf("(2) There should be a cool mosaic like pattern now.\n");
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sleep(3);
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draw_color_blend();
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write_frame(y_image,cr_image,cb_image);
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printf("(3) There should be a color blend with black, red, purple, blue\n"
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" corners (starting top left going CW)\n");
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sleep(3);
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ioctl(f,MGA_VID_OFF,0);
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close(f);
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return 0;
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}
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