fteqw/engine/shaders/generatebuiltinsl.c

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#include <stdio.h>
#include <string.h>
char shaders[][64] =
{
"altwater",
"bloom_blur",
"bloom_filter",
"bloom_final",
"colourtint",
"crepuscular_opaque",
"crepuscular_rays",
"crepuscular_sky",
"default2d",
"defaultadditivesprite",
"defaultskin",
"defaultsky",
"defaultsprite",
"defaultwall",
"defaultwarp",
"drawflat_wall",
"lpp_depthnorm",
"lpp_light",
"lpp_wall",
"postproc_fisheye",
"postproc_panorama",
"rtlight",
"underwaterwarp",
"menutint",
"terrain",
""
};
void dumpprogstring(FILE *out, FILE *src)
{
int j;
char line[1024];
while(fgets(line, sizeof(line), src))
{
j = 0;
while (line[j] == ' ' || line[j] == '\t')
j++;
if ((line[j] == '/' && line[j] == '/') || line[j] == '\r' || line[j] == '\n')
{
while (line[j])
fputc(line[j++], out);
}
else
{
fputc('\"', out);
while (line[j] && line[j] != '\r' && line[j] != '\n')
{
if (line[j] == '\t')
fputc(' ', out);
else if (line[j] == '\"')
{
fputc('\\', out);
fputc(line[j], out);
}
else
fputc(line[j], out);
j++;
}
fputs("\\n\"\n", out);
}
}
}
struct shadertype_s
{
char *filepattern;
char *preprocessor;
char *rendererapi;
int apiversion;
} shadertype[] =
{
{"glsl/%s.glsl", "GLQUAKE", "QR_OPENGL", 110}, //gl2+
{"gles/%s.glsl", "GLQUAKE", "QR_OPENGL", 100}, //gles
{"hlsl9/%s.hlsl", "D3D9QUAKE", "QR_DIRECT3D9", 9}, //d3d9
{"hlsl11/%s.hlsl", "D3D11QUAKE", "QR_DIRECT3D11", 11}, //d3d11
};
//tbh we should precompile the d3d shaders.
int main(void)
{
FILE *c, *s;
char line[1024];
int i, j, a;
c = fopen("../gl/r_bishaders.h", "wt");
if (!c)
{
printf("unable to open a file\n");
return;
}
fprintf(c, "/*\nWARNING: THIS FILE IS GENERATED BY '"__FILE__"'.\nYOU SHOULD NOT EDIT THIS FILE BY HAND\n*/\n\n");
for (i = 0; *shaders[i]; i++)
{
for (a = 0; a < sizeof(shadertype)/sizeof(shadertype[0]); a++)
{
sprintf(line, shadertype[a].filepattern, shaders[i]);
s = fopen(line, "rt");
if (!s)
{
printf("unable to open %s\n", line);
continue;
}
fprintf(c, "#ifdef %s\n", shadertype[a].preprocessor);
fprintf(c, "{%s, %i, \"%s\",\n", shadertype[a].rendererapi, shadertype[a].apiversion, shaders[i]);
while(fgets(line, sizeof(line), s))
{
j = 0;
while (line[j] == ' ' || line[j] == '\t')
j++;
if ((line[j] == '/' && line[j] == '/') || line[j] == '\r' || line[j] == '\n')
{
while (line[j])
fputc(line[j++], c);
}
else
{
fputc('\"', c);
while (line[j] && line[j] != '\r' && line[j] != '\n')
{
if (line[j] == '\t')
fputc(' ', c);
else if (line[j] == '\"')
{
fputc('\\', c);
fputc(line[j], c);
}
else
fputc(line[j], c);
j++;
}
fputs("\\n\"\n", c);
}
}
fputs("},\n", c);
fprintf(c, "#endif\n");
fclose(s);
}
}
fclose(c);
}