rootHEADmaster

1 files changed, 57 insertions, 0 deletions

diff --git a/graphics/shader.h b/graphics/shader.h
new file mode 100644
index 0000000..4774d64
--- /dev/null
+++ b/graphics/shader.h
@@ -0,0 +1,57 @@
+#pragma once
+
+#include <map>
+#include <string>
+#include "glm/glm.hpp"
+
+#define ASSERT_GL {assert (glGetError()==GL_NO_ERROR);}
+
+class Uniform
+{
+protected:
+	int id;
+public:
+	operator int() { return id; }
+	Uniform(int i) : id(i) {}
+	Uniform() : id(-1) {}
+	Uniform(const Uniform & right);
+	Uniform & operator = (const Uniform & right);
+	Uniform & operator = (int);
+	Uniform & operator = (float);
+	Uniform & operator = (unsigned int);
+	Uniform & operator = (glm::vec3);
+	Uniform & operator = (glm::vec4);
+	Uniform & operator = (glm::vec2);
+	Uniform & operator = (glm::ivec3);
+	Uniform & operator = (glm::ivec2);
+	Uniform & operator = (glm::ivec4);
+	Uniform & operator = (glm::mat4);
+	Uniform & operator = (glm::mat3);
+};
+
+
+
+
+class Shader
+{
+	std::map<const char *, Uniform> uniforms;
+	bool ready = false;
+	
+	
+	unsigned int vshader, fshader;
+
+protected:
+	void printLog(unsigned int obj);
+
+public:
+	unsigned int program;
+	explicit operator bool () const { return ready; }
+	Shader(const char * vertex = nullptr, const char * fragment = nullptr);
+	Uniform & operator [] (const char * name);
+	bool use(bool use = true);
+	std::string loadShaderText(char * file);
+	bool init();
+	void setFragmentLocation(char * name, unsigned int location);
+	unsigned int getAttributeLocation(const char * attrib);
+	~Shader();
+};