From dcdff7828e1dc3b5cbfc10a30ee10c2ffec07987 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 12 Dec 2021 15:33:09 +0000
Subject: Move GL shared source into it's own class/file

---
 gfx/gl/glSource.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 gfx/gl/glSource.cpp

(limited to 'gfx/gl/glSource.cpp')

diff --git a/gfx/gl/glSource.cpp b/gfx/gl/glSource.cpp
new file mode 100644
index 0000000..13686ae
--- /dev/null
+++ b/gfx/gl/glSource.cpp
@@ -0,0 +1,38 @@
+#include "glSource.h"
+#include <array>
+
+GLsource::ShaderRef
+GLsource::compile() const
+{
+	ShaderRef id {type};
+	glShaderSource(id, 1, &text, &len);
+	glCompileShader(id);
+
+	CheckShaderError(id, GL_COMPILE_STATUS, false, "Error compiling shader!");
+	return id;
+}
+
+void
+GLsource::CheckShaderError(GLuint shader, GLuint flag, bool isProgram, std::string_view errorMessage)
+{
+	GLint success = 0;
+	std::array<GLchar, 1024> error {};
+
+	if (isProgram) {
+		glGetProgramiv(shader, flag, &success);
+	}
+	else {
+		glGetShaderiv(shader, flag, &success);
+	}
+
+	if (success == GL_FALSE) {
+		if (isProgram) {
+			glGetProgramInfoLog(shader, error.size(), nullptr, error.data());
+		}
+		else {
+			glGetShaderInfoLog(shader, error.size(), nullptr, error.data());
+		}
+
+		throw std::runtime_error {std::string {errorMessage} + ": '" + std::string {error.data(), error.size()} + "'"};
+	}
+}
-- 
cgit v1.2.3