Attachment 100273 Details for Bug 79504 – testcase

testcase

test.c (text/plain), 2.44 KB, created by Kyle Blake on 2014-06-02 07:58:33 UTC

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Filename:

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Creator: Kyle Blake

Created: 2014-06-02 07:58:33 UTC

Size: 2.44 KB

patch

obsolete

>#include <stdio.h>
>#include <GL/freeglut.h>
>
>char* file_read(const char* filename)
>{
>	FILE* input = fopen(filename, "rb");
>	if (input == NULL) return NULL;
>
>	if (fseek(input, 0, SEEK_END) == -1) return NULL;
>	long size = ftell(input);
>	if (size == -1) return NULL;
>	if (fseek(input, 0, SEEK_SET) == -1) return NULL;
>
>	char *content = malloc( (size_t) size +1  ); 
>	if (content == NULL) return NULL;
>
>	fread(content, 1, (size_t)size, input);
>	if (ferror(input)) {
>		free(content);
>		return NULL;
>	}
>
>	fclose(input);
>	content[size] = '\0';
>	return content;
>}
>
>void print_log(GLuint object)
>{
>	GLint log_length = 0;
>	if (glIsShader(object))
>		glGetShaderiv(object, GL_INFO_LOG_LENGTH, &log_length);
>	else if (glIsProgram(object))
>		glGetProgramiv(object, GL_INFO_LOG_LENGTH, &log_length);
>	else {
>		fprintf(stderr, "printlog: Not a shader or a program\n");
>		return;
>	}
>
>	char* log = (char*)malloc(log_length);
>
>	if (glIsShader(object))
>		glGetShaderInfoLog(object, log_length, NULL, log);
>	else if (glIsProgram(object))
>		glGetProgramInfoLog(object, log_length, NULL, log);
>
>	fprintf(stderr, "%s", log);
>	free(log);
>}
>
>GLuint create_shader(const char* filename, GLenum type)
>{
>	const GLchar* source = file_read(filename);
>	if (source == NULL) {
>		fprintf(stderr, "Error opening %s: ", filename); perror("");
>		return 0;
>	}
>	GLuint res = glCreateShader(type);
>	glShaderSource(res, 1, &source, NULL);
>	free((void*)source);
>
>	glCompileShader(res);
>	GLint compile_ok = GL_FALSE;
>	glGetShaderiv(res, GL_COMPILE_STATUS, &compile_ok);
>	if (compile_ok == GL_FALSE) {
>		fprintf(stderr, "%s:", filename);
>		print_log(res);
>		glDeleteShader(res);
>		return 0;
>	}
>
>	return res;
>}
>
>
>int main(int argc, char **argv) {
>	glutInit(&argc, argv);
>	glutInitDisplayMode(GLUT_DOUBLE);
>	glutInitWindowSize(800, 600);
>	glutInitContextVersion(3, 3);
>	glutInitContextProfile(GLUT_CORE_PROFILE);
>	glutCreateWindow("test");
>	GLuint vs, fs;
>	if ((vs = create_shader("raycast.vert", GL_VERTEX_SHADER))   == 0) return 1;
>	if ((fs = create_shader("raycast.frag", GL_FRAGMENT_SHADER)) == 0) return 1;
>		/*
>		prog <- loadProgram "raycast.vert" "raycast.frag"
>		currentProgram $= Just prog
>		*/
>	GLuint program = glCreateProgram();
>	glAttachShader(program, vs);
>	glAttachShader(program, fs);
>	glLinkProgram(program);
>	GLint link_ok = GL_FALSE;
>	glGetProgramiv(program, GL_LINK_STATUS, &link_ok);
>	if (!link_ok) {
>		fprintf(stderr, "glLinkProgram:");
>		print_log(program);
>	}
>	glUseProgram(program);
>
>	glClear(GL_COLOR_BUFFER_BIT);
>}

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Attachments on bug 79504: 100230 | 100231 | 100232 | 100233 | 100273 | 100277 | 100512 | 101078

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