X-Git-Url: https://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=program.cpp;h=2275dcb416bed7740725f0a170a7a16610f795a1;hp=b1f2edeb52d2c210985fb24dadfe843d78d8c5de;hb=dbd855720a9af7d6e599ddc50bbbb0dee85458a5;hpb=c44e69ec78367fb2957324026894aef970f2481a

diff --git a/program.cpp b/program.cpp
index b1f2ede..2275dcb 100644
--- a/program.cpp
+++ b/program.cpp
@@ -10,7 +10,7 @@ void attachShader(GLuint progId, string filePath, GLenum type) {
 
 	if (!shader) {
 		cerr << "error creating shader" << endl;
-		exit(1);
+		abort();
 	}
 
 	ifstream file(filePath);
@@ -26,7 +26,7 @@ void attachShader(GLuint progId, string filePath, GLenum type) {
 	if (!success) {
 		GLchar log[1024];
 		glGetShaderInfoLog(shader, 1024, NULL, log);
-		fprintf(stderr, "error: %s\n", log);
+		fprintf(stderr, "Error compiling %s\n%s\n", filePath.c_str(), log);
 		exit(1);
 	}
 	glAttachShader(progId, shader);
@@ -44,7 +44,21 @@ Program::Program(const string vertexShader, const string fragmentShader) {
 	if (!success) {
 		GLchar log[1024];
 		glGetProgramInfoLog(progId, sizeof(log), NULL, log);
-		fprintf(stderr, "error linking: %s\n", log);
+		fprintf(stderr, "error linking %s and %s\n%s\n", vertexShader.c_str(), fragmentShader.c_str(), log);
 		exit(1);
 	}
 }
+
+void Program::validate() const {
+	glValidateProgram(progId);
+	
+	GLint success;
+	glGetProgramiv(progId, GL_VALIDATE_STATUS, &success);
+	if (!success) {
+		GLchar log[1024];
+		glGetProgramInfoLog(progId, sizeof(log), NULL, log);
+		fprintf(stderr, "Error validating: %s\n", log);
+		exit(1);
+	}
+}
+