Attachment 37927 Details for Bug 29623 – Test case

Test case

varycrash.c (text/plain), 2.20 KB, created by Nick Bowler on 2010-08-17 14:19:11 UTC

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Creator: Nick Bowler

Created: 2010-08-17 14:19:11 UTC

Size: 2.20 KB

patch

obsolete

>/* Copyright (C) 2010 Nick Bowler
> *
> * License WTFPL2: Do What The Fuck You Want To Public License, version 2.
> * This is free software: you are free to do what the fuck you want to.
> * There is NO WARRANTY, to the extent permitted by law.
> *
> * In case the above is not acceptable, you may alternately choose the terms
> * of the MIT license: http://opensource.org/licenses/mit-license.php.
> */
>
>#include <stdio.h>
>#include <stdarg.h>
>
>#include <GL/glew.h>
>#include <GL/glut.h>
>
>unsigned create_shader(int type, const char *text)
>{
>	GLuint shader;
>	GLint status;
>
>	shader = glCreateShader(type);
>	if (!shader)
>		return 0;
>
>	glShaderSource(shader, 1, &text, NULL);
>	glCompileShader(shader);
>	glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
>	if (!status) {
>		GLint size;
>		glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);
>
>		char log[size];
>		glGetShaderInfoLog(shader, size, NULL, log);
>		fprintf(stderr, "failed to compile shader:\n%s", log);
>		glDeleteShader(shader);
>		return 0;
>	}
>
>	return shader;
>}
>
>unsigned create_program(unsigned num, ...)
>{
>	GLuint program;
>	GLint status;
>	va_list ap;
>
>	program = glCreateProgram();
>
>	va_start(ap, num);
>	for (unsigned i = 0; i < num; i++) {
>		glAttachShader(program, va_arg(ap, unsigned));
>	}
>	va_end(ap);
>
>	glLinkProgram(program);
>	glGetProgramiv(program, GL_LINK_STATUS, &status);
>	if (!status) {
>		GLint size;
>		glGetProgramiv(program, GL_INFO_LOG_LENGTH, &size);
>
>		char log[size];
>		glGetShaderInfoLog(program, size, NULL, log);
>		fprintf(stderr, "failed to link shader:\n%s", log);
>		glDeleteProgram(program);
>		return 0;
>	}
>
>	return program;
>}
>
>int main(int argc, char **argv)
>{
>	const char *glsl_vertex, *glsl_fragment;
>	int vertex, fragment;
>	GLenum err;
>	int window;
>
>	glutInit(&argc, argv);
>	glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
>
>	window = glutCreateWindow("listconfuse");
>	if (window == 0)
>		return EXIT_FAILURE;
>	glutSetWindow(window);
>
>	err = glewInit();
>	if (err != GLEW_OK) {
>		fprintf(stderr, "glewInit: %s\n", glewGetErrorString(err));
>		return EXIT_FAILURE;
>	}
>
>	glsl_vertex =
>"varying float v;"
>"void main(void)"
>"{"
>"	gl_Position = ftransform();"
>"	v = 0.0;"
>"}";
>
>	vertex = create_shader(GL_VERTEX_SHADER, glsl_vertex);
>	create_program(1, vertex);
>
>	return EXIT_SUCCESS;
>}

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Attachments on bug 29623: 37927

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