Rearrange soucre files into subdirectories

[libs/gl.git] / source / core / shader.h

diff --git a/source/core/shader.h b/source/core/shader.h
new file mode 100644 (file)
index 0000000..bab11a7
--- /dev/null
+++ b/source/core/shader.h
@@ -0,0 +1,66 @@
+#ifndef MSP_GL_SHADER_H_
+#define MSP_GL_SHADER_H_
+
+#include <string>
+#include "gl.h"
+
+namespace Msp {
+namespace GL {
+
+/**
+A single shader stage.  Shaders must be attached to a Program to be used.
+
+This class can't be instantiated directly.  Use one of the VertexShader and
+FragmentShader classes to create Shaders.
+*/
+class Shader
+{
+private:
+       unsigned id;
+       bool compiled;
+
+protected:
+       Shader(GLenum t);
+       Shader(GLenum t, const std::string &);
+private:
+       void init(GLenum);
+public:
+       virtual ~Shader();
+
+       void source(unsigned count, const char **str, const int *len);
+       void source(const std::string &str);
+       void source(const char *str, int len);
+       void compile();
+       unsigned get_id() const { return id; }
+       bool is_compiled() const { return compiled; }
+       std::string get_info_log() const;
+};
+
+
+class VertexShader: public Shader
+{
+public:
+       VertexShader();
+       VertexShader(const std::string &);
+};
+
+
+class FragmentShader: public Shader
+{
+public:
+       FragmentShader();
+       FragmentShader(const std::string &);
+};
+
+
+class GeometryShader: public Shader
+{
+public:
+       GeometryShader();
+       GeometryShader(const std::string &);
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif