finderrors.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
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#include <unistd.h>
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#include "mojoshader.h"
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#define FINDERRORS_COMPILE_SHADERS 1
#if FINDERRORS_COMPILE_SHADERS
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#define GL_GLEXT_PROTOTYPES 1
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#define GL_GLEXT_LEGACY 1
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#include "SDL.h"
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#include "gl.h"
#include "glext.h"
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#define report printf
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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
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static int do_dir(const char *dname, const char *profile)
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{
const int dirlen = strlen(dname) + 1;
int total = 0;
DIR *dirp = opendir(dname);
if (dirp != NULL)
{
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int do_quit = 0;
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struct dirent *dent;
while ((dent = readdir(dirp)) != NULL)
{
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#if FINDERRORS_COMPILE_SHADERS
SDL_Event e; // pump event queue to keep OS happy.
while (SDL_PollEvent(&e))
{
if (e.type == SDL_QUIT)
do_quit = 1;
} // while
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SDL_GL_SwapBuffers();
#endif
if (do_quit)
{
report("FAIL: user requested quit!\n");
break;
} // if
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if (strstr(dent->d_name, ".bytecode") == NULL)
continue;
total++;
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char *fname = (char *) alloca(strlen(dent->d_name) + dirlen);
sprintf(fname, "%s/%s", dname, dent->d_name);
FILE *io = fopen(fname, "rb");
if (io == NULL)
{
report("FAIL: %s fopen() failed.\n", fname);
continue;
} // if
static unsigned char buf[1024 * 256];
int rc = fread(buf, 1, sizeof (buf), io);
fclose(io);
if (rc == -1)
{
report("FAIL: %s %s\n", fname, strerror(errno));
continue;
} // if
const MOJOSHADER_parseData *pd = MOJOSHADER_parse(profile, buf, rc, 0, 0, 0);
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);
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} // 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
{
int total = 0;
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#if FINDERRORS_COMPILE_SHADERS
SDL_Init(SDL_INIT_VIDEO);
SDL_SetVideoMode(640, 480, 0, SDL_OPENGL);
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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const char *profile = argv[1];
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for (i = 2; i < argc; i++)
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total += do_dir(argv[i], profile);
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printf("Saw %d bytecode files.\n", total);
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#if FINDERRORS_COMPILE_SHADERS
SDL_Quit();
#endif
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} // else
return 0;
} // main
// end of finderrors.c ...