display.c
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#include <stdio.h>
#include <PRimage.h>
#include "acc_user.h"
#include "vcsuser.h"
FILE *OutFile;
IMAGE *RGBFile;
int CurrentX, CurrentY, SyncsSeen;
unsigned short *BufferPtr[3];
unsigned short *RedBuffer, *GreenBuffer, *BlueBuffer;
int ImageWidth, ImageHeight, BufferIndex, PixelsValid;
void InitPixelVariables(int Width, int Height)
{
ImageWidth = Width;
ImageHeight = Height;
RedBuffer = (unsigned short *) malloc(ImageWidth * sizeof(unsigned short));
GreenBuffer = (unsigned short *) malloc(ImageWidth * sizeof(unsigned short));
BlueBuffer = (unsigned short *) malloc(ImageWidth * sizeof(unsigned short));
BufferPtr[0] = RedBuffer;
BufferPtr[1] = GreenBuffer;
BufferPtr[2] = BlueBuffer;
CurrentX = 0; CurrentY = 0;
BufferIndex = 0;
PixelsValid = 0;
SyncsSeen = 0;
}
void open_rgb_file(void)
{
char *filename;
int Width, Height;
acc_initialize();
acc_configure(accDevelopmentVersion, "1.6");
if (tf_nump() != 3)
{
tf_error("Illegal number of arguments to open_rgb_file");
tf_putp(0, -1);
}
else
{
if (((Width = tf_getp(2)) == NULL) ||
((Height = tf_getp(3)) == NULL) ||
((filename = tf_getcstringp(1)) == NULL))
{
tf_error("Illegal parameters passed to open_rgb_file");
tf_putp(0, -1);
}
else
{
InitPixelVariables(Width, Height);
if ((RGBFile = iopen(filename, "w", RLE(1), 3, ImageWidth, ImageHeight, 3)) == NULL)
{
tf_error("Couldn't open output rgb file");
tf_putp(0, -1);
}
}
}
tf_putp(0, 0);
}
void WritePixel(int sync, int srgb)
{
if (!sync & (srgb >> 3))
{
SyncsSeen++;
}
else
{
if (SyncsSeen >= 12)
{
PixelsValid = 1;
}
if (PixelsValid && (CurrentX >= 0) && (CurrentX <= ImageWidth-1) &&
(CurrentY <= ImageHeight-1))
{
*(BufferPtr[BufferIndex]) = srgb;
(BufferPtr[BufferIndex])++;
}
if ((CurrentX == ImageWidth+1) && (BufferIndex == 2))
{
putrow(RGBFile, RedBuffer, ImageHeight - 1 - CurrentY, 0);
putrow(RGBFile, GreenBuffer, ImageHeight - 1 - CurrentY, 1);
putrow(RGBFile, BlueBuffer, ImageHeight - 1 - CurrentY, 2);
CurrentX = -3; CurrentY++;
BufferPtr[0] = RedBuffer;
BufferPtr[1] = GreenBuffer;
BufferPtr[2] = BlueBuffer;
}
if (PixelsValid) BufferIndex++;
if (BufferIndex == 3)
{
CurrentX++;
BufferIndex = 0;
}
}
}
void output_pixel(void)
{
int srgb, sync;
acc_initialize();
acc_configure(accDevelopmentVersion, "1.6");
if (tf_nump() != 2)
{
tf_error("Illegal number of arguments to output_pixel");
tf_putp(0, -1);
}
else
{
srgb = tf_getp(1);
sync = tf_getp(2);
if (RGBFile != NULL)
{
WritePixel(sync, srgb);
}
}
tf_putp(0, 0);
}
void output_all(void)
{
int divot_enable, type, aa_off, gamma_enable, gamma_dither_enable, rand, hfrac,
vfrac, rgb0i, rgb1i, rgb2i, rgb3i, cvg0i, cvg1i, cvg2i, cvg3i,
synci, srgb, sync;
if (tf_nump() != 19)
{
tf_error("Illegal number of arguments to output_all");
tf_putp(0, -1);
}
if (OutFile != NULL)
{
divot_enable = tf_getp(1);
type = tf_getp(2);
aa_off = tf_getp(3);
gamma_enable = tf_getp(4);
gamma_dither_enable = tf_getp(5);
rand = tf_getp(6);
hfrac = tf_getp(7);
vfrac = tf_getp(8);
rgb0i = tf_getp(9);
rgb1i = tf_getp(10);
rgb2i = tf_getp(11);
rgb3i = tf_getp(12);
cvg0i = tf_getp(13);
cvg1i = tf_getp(14);
cvg2i = tf_getp(15);
cvg3i = tf_getp(16);
synci = tf_getp(17);
srgb = tf_getp(18);
sync = tf_getp(19);
fprintf(OutFile, "%d 0x%.1x %d %d %d 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x ",
divot_enable, type, aa_off, gamma_enable, gamma_dither_enable, rand,
hfrac, vfrac, rgb0i, rgb1i);
fprintf(OutFile, "0x%.2x 0x%.2x 0x%.1x 0x%.1x 0x%.1x 0x%.1x %d\t0x%.2x %d \n",
rgb2i, rgb3i, cvg0i, cvg1i, cvg2i, cvg3i, synci, srgb, sync);
}
}
void PrintTabHeader(char *prog_name)
{
fprintf(OutFile, "#\n");
fprintf(OutFile, "# created by %s.c\n", prog_name);
fprintf(OutFile, "#\n");
fprintf(OutFile, "vclk @C 1(8) 0(8)\n");
fprintf(OutFile, "divot_enable @I @E 2\n");
fprintf(OutFile, "type @I @E 2\n");
fprintf(OutFile, "aa_off @I @E 2\n");
fprintf(OutFile, "gamma_enable @I @E 2\n");
fprintf(OutFile, "gamma_dither_enable @I @E 2\n");
fprintf(OutFile, "rand[5:0] @I @E 2\n");
fprintf(OutFile, "hfrac[4:0] @I @E 2\n");
fprintf(OutFile, "vfrac[4:0] @I @E 2\n");
fprintf(OutFile, "rgb0i[7:0] @I @E 2\n");
fprintf(OutFile, "rgb1i[7:0] @I @E 2\n");
fprintf(OutFile, "rgb2i[7:0] @I @E 2\n");
fprintf(OutFile, "rgb3i[7:0] @I @E 2\n");
fprintf(OutFile, "cvg0i[2:0] @I @E 2\n");
fprintf(OutFile, "cvg1i[2:0] @I @E 2\n");
fprintf(OutFile, "cvg2i[2:0] @I @E 2\n");
fprintf(OutFile, "cvg3i[2:0] @I @E 2\n");
fprintf(OutFile, "synci @I @E 2\n");
fprintf(OutFile, "srgb[6:0] @O @S 15 \n");
fprintf(OutFile, "sync @O @S 15 \n");
fprintf(OutFile, "\n"); /* required newline */
}
void open_out_file(void)
{
char *filename;
acc_initialize();
acc_configure(accDevelopmentVersion, "1.6");
if (tf_nump() != 1)
{
tf_error("Illegal number of arguments to open_out_file");
tf_putp(0, -1);
}
else
{
if ((filename = tf_getcstringp(1)) == NULL)
{
tf_error("Illegal parameters passed to open_out_file");
tf_putp(0, -1);
}
else
{
if ((OutFile = fopen(filename, "w")) == NULL)
{
tf_error("Couldn't open output file");
tf_putp(0, -1);
}
PrintTabHeader("display");
}
}
tf_putp(0, 0);
}
void close_output_files(void)
{
if (OutFile != NULL) fclose(OutFile);
if (RGBFile != NULL) iclose(RGBFile);
tf_putp(0, 0);
}