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finderrors.c
255 lines (213 loc) · 6.69 KB
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finderrors.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <pthread.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <unistd.h>
#include "mojoshader.h"
#define FINDERRORS_COMPILE_SHADERS 1
#if FINDERRORS_COMPILE_SHADERS
#include "SDL.h"
#include <gl.h>
#include <glext.h>
#endif
static const char *profile = NULL;
static volatile int die_threads = 0;
static pthread_mutex_t grab_mutex;
static pthread_mutex_t report_mutex;
typedef struct ShaderBytecode
{
void *name;
void *data;
struct ShaderBytecode *next;
} ShaderBytecode;
static volatile ShaderBytecode *gbytecode = NULL;
static volatile ShaderBytecode *gparsed = NULL;
static void report(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
pthread_mutex_lock(&report_mutex);
vprintf(fmt, ap);
pthread_mutex_unlock(&report_mutex);
va_end(ap);
} // report
static int compile_shader(const char *fname, const MOJOSHADER_parseData *pd)
{
int retval = 1;
#if FINDERRORS_COMPILE_SHADERS
const GLenum shader_type = (pd->shader_type == MOJOSHADER_TYPE_PIXEL) ? GL_FRAGMENT_SHADER_ARB : GL_VERTEX_SHADER_ARB;
GLint shaderlen = (GLint) pd->output_len;
GLhandleARB program = glCreateProgramObjectARB();
GLhandleARB shader = glCreateShaderObjectARB(shader_type);
GLint ok = 0;
GLcharARB err[1024];
GLsizei len = 0;
retval = 0;
glShaderSourceARB(shader, 1, (const GLcharARB **) &pd->output, &shaderlen);
glCompileShaderARB(shader);
glGetObjectParameterivARB(shader, GL_OBJECT_COMPILE_STATUS_ARB, &ok);
if (!ok)
{
glGetInfoLogARB(shader, sizeof (err), &len, err);
printf("FAIL: %s glsl compile: %s\n", fname, err);
} // if
else
{
glAttachObjectARB(program, shader);
glLinkProgramARB(program);
glGetObjectParameterivARB(program, GL_OBJECT_LINK_STATUS_ARB, &ok);
if (!ok)
{
glGetInfoLogARB(program, sizeof (err), &len, err);
printf("FAIL: %s glsl link: %s\n", fname, err);
} // if
else
{
retval = 1;
} // else
} // else
glDeleteObjectARB(shader);
glDeleteObjectARB(program);
#endif
return retval;
} // compile_shader
static void *worker(void *unused)
{
unsigned char buf[1024 * 256];
while (!die_threads)
{
ShaderBytecode *my_bytecode = NULL;
pthread_mutex_lock(&grab_mutex);
if (gbytecode == NULL)
die_threads = 1;
else
{
my_bytecode = (ShaderBytecode *) gbytecode;
gbytecode = gbytecode->next;
} // else
pthread_mutex_unlock(&grab_mutex);
if (my_bytecode == NULL)
break;
const char *fname = (const char *) my_bytecode->name;
FILE *io = fopen(fname, "rb");
if (io == NULL)
report("FAIL: %s fopen() failed.\n", fname);
else
{
int rc = fread(buf, 1, sizeof (buf), io);
fclose(io);
if (rc == -1)
report("FAIL: %s %s\n", fname, strerror(errno));
else
my_bytecode->data = (void *) MOJOSHADER_parse(profile, buf, rc, 0, 0, 0);
pthread_mutex_lock(&grab_mutex);
my_bytecode->next = (ShaderBytecode *) gparsed;
gparsed = my_bytecode;
pthread_mutex_unlock(&grab_mutex);
} // else
} // while
return NULL;
} // worker
static int do_dir(const char *dname)
{
const int dirlen = strlen(dname) + 1;
int total = 0;
DIR *dirp = opendir(dname);
if (dirp != NULL)
{
ShaderBytecode *bytecode = NULL;
struct dirent *dent;
while ((dent = readdir(dirp)) != NULL)
{
if (strstr(dent->d_name, ".bytecode") == NULL)
continue;
total++;
bytecode = (ShaderBytecode *) malloc(sizeof (ShaderBytecode));
bytecode->data = NULL;
bytecode->name = malloc(strlen(dent->d_name) + dirlen);
sprintf((char *) bytecode->name, "%s/%s", dname, dent->d_name);
bytecode->next = (ShaderBytecode *) gbytecode;
gbytecode = bytecode;
} // while
closedir(dirp);
} // if
return total;
} // do_dir
int main(int argc, char **argv)
{
//printf("MojoShader finderrors\n");
//printf("Compiled against version %d\n", MOJOSHADER_VERSION);
//printf("Linked against version %d\n", MOJOSHADER_version());
//printf("\n");
if (argc <= 2)
printf("\n\nUSAGE: %s <profile> [dir1] ... [dirN]\n\n", argv[0]);
else
{
#define MAX_WORKERS 4
pthread_t workers[MAX_WORKERS];
int total = 0;
#if FINDERRORS_COMPILE_SHADERS
SDL_Init(SDL_INIT_VIDEO);
SDL_SetVideoMode(640, 480, 0, SDL_OPENGL);
#endif
pthread_mutex_init(&grab_mutex, NULL);
pthread_mutex_init(&report_mutex, NULL);
profile = argv[1];
int i;
for (i = 2; i < argc; i++)
total += do_dir(argv[i]);
printf("Saw %d bytecode files.\n", total);
for (i = 0; i < MAX_WORKERS; i++)
pthread_create(&workers[i], NULL, worker, NULL);
while (1)
{
ShaderBytecode *my_bytecode = NULL;
pthread_mutex_lock(&grab_mutex);
if (gparsed != NULL)
{
my_bytecode = (ShaderBytecode *) gparsed;
gparsed = gparsed->next;
} // if
pthread_mutex_unlock(&grab_mutex);
if (my_bytecode == NULL)
{
if (gbytecode == NULL)
break;
else
{
usleep(10000);
continue;
} // else
} // if
const MOJOSHADER_parseData *pd = (const MOJOSHADER_parseData *)
my_bytecode->data;
const char *fname = my_bytecode->name;
if (pd != NULL)
{
if (pd->error != NULL)
report("FAIL: %s %s\n", fname, pd->error);
else
{
if (compile_shader(fname, pd))
report("PASS: %s\n", fname);
} // else
MOJOSHADER_freeParseData(pd);
} // if
free(my_bytecode->name);
free(my_bytecode);
} // while
for (i = 0; i < MAX_WORKERS; i++)
pthread_join(workers[i], NULL);
pthread_mutex_destroy(&report_mutex);
pthread_mutex_destroy(&grab_mutex);
#if FINDERRORS_COMPILE_SHADERS
SDL_Quit();
#endif
} // else
return 0;
} // main
// end of finderrors.c ...