1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #include <stdio.h>

    19 #include <stdlib.h>

    20 #include <string.h>

    21 #include <GLES2/gl2.h>

    22 #include <sys/syslimits.h>

    23 

    24 #include "shader.h"

    25 

    26 

    27 GLuint LoadAndCompileShader(char* path, char* shadername, GLenum type)

    28     {

    29     char filename[PATH_MAX];

    30     int len = 0;

    31     GLuint shader = 0;

    32     GLint compiled = 0;

    33     char* shaderdata = NULL;

    34     FILE* file;

    35     

    36     strcpy(filename,path);

    37     strcat(filename,"\\");

    38     strcat(filename,shadername);

    39     file = fopen(filename,"rb");

    40     if (!file)

    41         {

    42         return 0;

    43         }

    44         

    45 

    46     fseek (file, 0, SEEK_END);

    47     len = ftell (file);

    48     fseek(file, 0, SEEK_SET);

    49 

    50     shaderdata = (char*)malloc(len+1);

    51     if (!shaderdata)

    52         {

    53         fclose(file);

    54         return 0;

    55         }

    56     

    57     fread(shaderdata, 1, len, file);

    58     fclose(file);

    59     shaderdata[len] = 0;

    60 

    61     

    62     shader = glCreateShader(type);

    63     glShaderSource(shader, 1, (const char**)&shaderdata,NULL);

    64     glCompileShader(shader);

    65     glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);    

    66     

    67     if (!compiled)

    68         {

    69         char infobuf[ 256 ];

    70 

    71         glGetShaderInfoLog( shader, 256, NULL, infobuf );

    72 

    73         glDeleteShader(shader);

    74         shader = 0;

    75         }

    76     free(shaderdata);

    77     return shader;

    78     }