From e9885141e4049a06b89000bf34959174fb2d4491 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 8 Jun 2018 14:15:59 +0200
Subject: Expose compute shader state

---
 src/shader/util.cc | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/shader/util.cc')

diff --git a/src/shader/util.cc b/src/shader/util.cc
index 07a1128..be59ac1 100644
--- a/src/shader/util.cc
+++ b/src/shader/util.cc
@@ -7,9 +7,12 @@ namespace util {
 
 GLint getUniform(GLuint program, const std::string& name) {
 	const GLint uniform = glGetUniformLocation(program, name.c_str());
+
 	if ( uniform == -1 ) {
 		std::cerr << "Could not bind uniform " << name << std::endl;
+		return -1;
 	}
+
 	return uniform;
 }
 
@@ -18,7 +21,7 @@ GLint compileShader(const std::string& source, GLenum type) {
 
 	if ( !shader ) {
 		std::cerr << "Cannot create a shader of type " << type << std::endl;
-		exit(-1);
+		return -1;
 	}
 
 	const char* source_data = source.c_str();
@@ -29,16 +32,22 @@ GLint compileShader(const std::string& source, GLenum type) {
 
 	GLint compiled;
 	glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+
 	if ( !compiled ) {
 		std::cerr << "Cannot compile shader" << std::endl;
+
 		GLint maxLength = 0;
 		glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &maxLength);
+
 		std::vector<GLchar> errorLog(maxLength);
 		glGetShaderInfoLog(shader, maxLength, &maxLength, &errorLog[0]);
+
 		for( auto c : errorLog ) {
 			std::cerr << c;
 		}
 		std::cerr << std::endl;
+
+		return -1;
 	}
 
 	return shader;
-- 
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