Merge pull request #7 from hatkirby/es-rewrite

The ECS rewrite exceeds the original branch in functionality, so it is time to merge it in.

1 files changed, 58 insertions, 0 deletions

@@ -0,0 +1,58 @@
+#ifndef SHADER_H_25115B63
+#define SHADER_H_25115B63
+
+#include <string>
+#include <stdexcept>
+#include "gl.h"
+#include "wrappers.h"
+
+class gl_error : public std::logic_error {
+public:
+
+  gl_error(
+    const char* msg,
+    std::string info) :
+      std::logic_error(msg),
+      info_(std::move(info))
+  {
+  }
+
+  gl_error(
+    std::string& msg,
+    std::string info) :
+      std::logic_error(msg),
+      info_(std::move(info))
+  {
+  }
+
+  inline const std::string& getInfo() const
+  {
+    return info_;
+  }
+
+private:
+
+  std::string info_;
+};
+
+class Shader {
+public:
+
+  Shader(std::string name);
+
+  inline void use()
+  {
+    glUseProgram(program_.getId());
+  }
+
+  inline GLint getUniformLocation(const GLchar* name)
+  {
+    return glGetUniformLocation(program_.getId(), name);
+  }
+
+private:
+
+  GLProgram program_;
+};
+
+#endif /* end of include guard: SHADER_H_25115B63 */