Attachment 18221 Details for Bug 17079 – Test case

Test case

test-shader.c (text/x-csrc), 1.79 KB, created by Neil Roberts on 2008-08-11 09:37:56 UTC

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Filename:

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Creator: Neil Roberts

Created: 2008-08-11 09:37:56 UTC

Size: 1.79 KB

patch

obsolete

>#define GL_GLEXT_PROTOTYPES 1
>#include <GL/gl.h>
>#include <GL/glut.h>
>#include <string.h>
>#include <stdio.h>
>
>static const GLchar shader_source[] =
>  "uniform sampler2D tex;\n"
>  "\n"
>  "void main ()\n"
>  "{\n"
>  "  gl_FragColor = texture2D (tex, vec2 (0, 0));\n"
>  "}";
>
>static const GLchar *shader_source_strings[] = { shader_source };
>
>static void
>test_get_active_uniform (GLuint program)
>{
>  GLint index;
>  char name_buf[32] = { 0 };
>  GLint size;
>  GLenum type;
>
>  index = glGetUniformLocation (program, "tex");
>
>  glGetActiveUniform (program, index, sizeof (name_buf), NULL,
>		      &size, &type, name_buf);
>
>  printf ("name = %s, size = %i, type = 0x%x\n", name_buf, size, type);
>}
>
>int
>main (int argc, char **argv)
>{
>  GLuint prog = 0, shader;
>  GLint status;
>
>  glutInit (&argc, argv);
>
>  glutInitDisplayMode (GLUT_RGBA | GLUT_DOUBLE);
>
>  glutCreateWindow (argv[0]);
>
>  shader = glCreateShader (GL_FRAGMENT_SHADER);
>  glShaderSource (shader, 1, shader_source_strings, NULL);
>  glCompileShader (shader);
>
>  glGetShaderiv (shader, GL_COMPILE_STATUS, &status);
>
>  if (!status)
>    {
>      GLchar buf[1024];
>      GLsizei length = 0;
>
>      glGetShaderInfoLog (shader, sizeof (buf) - 1, &length, buf);
>      buf[length] = '\0';
>
>      printf ("compilation failed:\n%s\n", buf);
>    }
>  else
>    {
>      prog = glCreateProgram ();
>
>      glAttachShader (prog, shader);
>      glLinkProgram (prog);
>
>      glGetProgramiv (prog, GL_LINK_STATUS, &status);
>
>      if (!status)
>	{
>	  GLchar buf[1024];
>	  GLsizei length = 0;
>
>	  glGetProgramInfoLog (shader, sizeof (buf) - 1, &length, buf);
>	  buf[length] = '\0';
>
>	  printf ("linking failed:\n%s\n", buf);
>
>	  glDeleteProgram (prog);
>	  prog = 0;
>	}
>      else
>	test_get_active_uniform (prog);
>    }
>  
>  glDeleteShader (shader);
>
>  if (prog)
>    glDeleteProgram (prog);
>
>  return 0;
>}

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Attachments on bug 17079: 18220 | 18221

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