Sweden-Number/dlls/wined3d/baseshader.c

58 lines
1.8 KiB
C

/*
* shaders implementation
*
* Copyright 2002-2003 Jason Edmeades
* Copyright 2002-2003 Raphael Junqueira
* Copyright 2005 Oliver Stieber
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#include "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
int shader_addline(
SHADER_BUFFER* buffer,
const char *format, ...) {
char* base = buffer->buffer + buffer->bsize;
int rc;
va_list args;
va_start(args, format);
rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
va_end(args);
if (rc < 0 || /* C89 */
rc > SHADER_PGMSIZE - 1 - buffer->bsize) { /* C99 */
ERR("The buffer allocated for the shader program string "
"is too small at %d bytes.\n", SHADER_PGMSIZE);
buffer->bsize = SHADER_PGMSIZE - 1;
return -1;
}
buffer->bsize += rc;
buffer->lineNo++;
TRACE("GL HW (%u, %u) : %s", buffer->lineNo, buffer->bsize, base);
return 0;
}
/* TODO: Move other shared code here */