X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=util.cpp;h=0a294e65ca7a8ab07a77ab1438286038848ea7a2;hb=71cf8dc668a86a14ea73c6bc442391996fe247cc;hp=3ebf162d31a0558ddfb54d3a8520706035ee45e6;hpb=0cea318493ae406e5fff6e10eb8d3e171603a0c0;p=movit

diff --git a/util.cpp b/util.cpp
index 3ebf162..0a294e6 100644
--- a/util.cpp
+++ b/util.cpp
@@ -156,6 +156,7 @@ GLuint compile_shader(const string &shader_src, GLenum type)
 	GLint status;
 	glGetShaderiv(obj, GL_COMPILE_STATUS, &status);
 	if (status == GL_FALSE) {
+		fprintf(stderr, "Failed to compile shader: %s\n", shader_src.c_str());
 		exit(1);
 	}
 
@@ -183,6 +184,16 @@ string output_glsl_mat3(const string &name, const Eigen::Matrix3d &m)
 	return ss.str();
 }
 
+string output_glsl_float(const string &name, float x)
+{
+	// Use stringstream to be independent of the current locale in a thread-safe manner.
+	stringstream ss;
+	ss.imbue(locale("C"));
+	ss.precision(8);
+	ss << "const float " << name << " = " << x << ";\n";
+	return ss.str();
+}
+
 string output_glsl_vec2(const string &name, float x, float y)
 {
 	// Use stringstream to be independent of the current locale in a thread-safe manner.