Adding Spectre/GfxDriver/ShaderProgram base class.

include/Spectre/GfxDriver/ShaderProgram.h

@@ -0,0 +1,77 @@
+
+#ifndef SPECTRE_GFXDRIVER_SHADERPROGRAM_H
+#define SPECTRE_GFXDRIVER_SHADERPROGRAM_H
+
+#include <Spectre/Math/Matrix4.h>
+#include <Spectre/Math/Color.h>
+
+namespace sp {
+
+enum ShaderType {
+	Vertex,
+	Fragment
+};
+
+class ShaderProgram
+{
+public:
+	virtual ~ShaderProgram();
+
+	// Load a shader program from file.
+	virtual bool loadFromFile(const std::string& filename);
+
+	// Load a shader from file.
+	virtual bool loadFromFile(const std::string& filename, ShaderType type);
+
+	// Load a shader from memory.
+	virtual bool loadFromMemory(const std::string& source, ShaderType type) = 0;
+
+	// Link the program.
+	virtual bool link() = 0;
+
+	// Returns true if the program was linked successfully
+	virtual bool isLinked() const;
+
+	// Enable this shader
+	// All shader operations after this call will affect this shader.
+	virtual void enable() const = 0;
+
+	// Disable this shader
+	// Operations will no longer affect this shader after this call.
+	virtual void disable() const = 0;
+
+	// Get the last shader error.
+	virtual std::string getLastError() const;
+
+	// ---------------------
+	// Variables.
+	// ---------------------
+	// TODO: Move this to a ShaderParameter class
+
+	virtual bool setMVPMatrix(const Matrix4f& matrix) = 0;
+
+	// ---------------------
+	//  General Variables.
+	// ---------------------
+
+	virtual bool setAttribute(const std::string& name, float value) const = 0;
+
+	virtual bool setAttribute(const std::string& name, const Matrix4f& matrix) const = 0;
+
+	virtual bool setUniform(const std::string& name, const Matrix4f& matrix) const = 0;
+
+	virtual bool setUniform(const std::string& name, const Color& color) const = 0;
+
+
+protected:
+
+	std::string m_extension;
+
+	mutable std::string m_error;
+
+	bool m_linked;
+};
+
+} // namespace sp
+
+#endif /* SECTRE_GRAPHICS_SHADERPROGRAM_H */