gldummy.cpp

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/* gcc gldummy.c -shared -fpic -ldl -o libGL.so */
#include <GL/gl.h>

void glBindTexture (GLenum target, GLuint id)
{
}

GLenum glGetError (void)
{
    return GL_NO_ERROR;
}

void glTexParameterf (GLenum target, GLenum pname, GLfloat param)
{
}

void glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border,
        GLenum format, GLenum type, const GLvoid *texels)
{
}

void glGenTextures (GLsizei n, GLuint *textures)
{
    static GLuint texnum;
    for (GLsizei i = 0; i != n; ++i) {
        textures[i] = ++texnum;
    }
}