Upgrade the glsl shader class a bit. Add a const char* comparitor so we can use a map with a simple "string" key. Fine to use when performance is not critical.

Src/Graphics/New3D/GLSLShader.cpp

@@ -1,28 +1,41 @@
 #include "GLSLShader.h"
 #include <cstdio>
 
-GLSLShader::GLSLShader() {
-
-	m_vShader	= 0;
-	m_fShader	= 0;
-	m_program	= 0;
-
-	for (auto &i : uniformLoc) {
-		i = 0;
-	}
-
-	for (auto &i : attribLoc) {
-		i = 0;
-	}
+GLSLShader::GLSLShader() 
+{
+	Reset();
 }
 
-GLSLShader::~GLSLShader() {
-
+GLSLShader::~GLSLShader() 
+{
 	UnloadShaders();
 }
 
-bool GLSLShader::LoadShaders(const char *vertexShader, const char *fragmentShader) {
+GLSLShader::GLSLShader(GLSLShader&& other) noexcept
+{
+	*this = std::move(other);
+}
 
+GLSLShader& GLSLShader::operator=(GLSLShader&& other) noexcept
+{
+	if (this != &other) {
+		m_program = other.m_program;
+		m_vShader = other.m_vShader;
+		m_fShader = other.m_fShader;
+		uniformLocMap = other.uniformLocMap;
+		attribLocMap = other.attribLocMap;
+
+		std::copy(std::begin(other.uniformLoc), std::end(other.uniformLoc), std::begin(uniformLoc));
+		std::copy(std::begin(other.attribLoc), std::end(other.attribLoc), std::begin(attribLoc));
+
+		other.Reset();
+	}
+
+	return *this;
+}
+
+bool GLSLShader::LoadShaders(const char* vertexShader, const char* fragmentShader) 
+{
 	m_program = glCreateProgram();
 	m_vShader = glCreateShader(GL_VERTEX_SHADER);
 	m_fShader = glCreateShader(GL_FRAGMENT_SHADER);
@@ -58,52 +71,80 @@ void GLSLShader::UnloadShaders()
 	m_program = 0;
 }
 
-void GLSLShader::EnableShader() {
-
+void GLSLShader::EnableShader() 
+{
 	glUseProgram(m_program);
 }
 
-void GLSLShader::DisableShader() {
-
+void GLSLShader::DisableShader() 
+{
 	glUseProgram(0);
 }
 
-void GLSLShader::PrintShaderInfoLog(GLuint obj) {
+void GLSLShader::Reset()
+{
+	m_vShader = 0;
+	m_fShader = 0;
+	m_program = 0;
 
+	for (auto& i : uniformLoc) {
+		i = -1;
+	}
+
+	for (auto& i : attribLoc) {
+		i = -1;
+	}
+
+	uniformLocMap.clear();
+	attribLocMap.clear();
+}
+
+void GLSLShader::PrintShaderInfoLog(GLuint obj) 
+{
 	int infologLength = 0;
 	int charsWritten = 0;
 
 	glGetShaderiv(obj, GL_INFO_LOG_LENGTH, &infologLength);
 
 	if (infologLength > 0) {
-		char *infoLog = new char[infologLength];
+		char* infoLog = new char[infologLength];
 		glGetShaderInfoLog(obj, infologLength, &charsWritten, infoLog);
 		printf("%s\n", infoLog);
 		delete[] infoLog;
 	}
 }
 
-void GLSLShader::PrintProgramInfoLog(GLuint obj) {
-
+void GLSLShader::PrintProgramInfoLog(GLuint obj) 
+{
 	int infologLength = 0;
 	int charsWritten = 0;
 
 	glGetProgramiv(obj, GL_INFO_LOG_LENGTH, &infologLength);
 
 	if (infologLength > 0) {
-		char *infoLog = new char[infologLength];
+		char* infoLog = new char[infologLength];
 		glGetProgramInfoLog(obj, infologLength, &charsWritten, infoLog);
 		printf("%s\n", infoLog);
 		delete[] infoLog;
 	}
 }
 
-int GLSLShader::GetUniformLocation(const char *str)
+int GLSLShader::GetUniformLocation(const char* str)
 {
 	return glGetUniformLocation(m_program, str);
 }
 
-int GLSLShader::GetAttributeLocation(const char *str)
+void GLSLShader::GetUniformLocationMap(const char* str)
+{
+	uniformLocMap[str] = GetUniformLocation(str);
+}
+
+int GLSLShader::GetAttributeLocation(const char* str)
 {
 	return glGetAttribLocation(m_program, str);
 }
+
+void GLSLShader::GetAttributeLocationMap(const char* str)
+{
+	attribLocMap[str] = GetAttributeLocation(str);
+}

Src/Graphics/New3D/GLSLShader.h

@@ -2,27 +2,52 @@
 #define _GLSLSHADER_H_
 
 #include <GL/glew.h>
+#include <map>
 
 class GLSLShader {
 
 public:
 	GLSLShader();
-   ~GLSLShader();
+	~GLSLShader();
 
-	bool LoadShaders(const char *vertexShader, const char *fragmentShader);
+	GLSLShader(GLSLShader&& other) noexcept;
+	GLSLShader(const GLSLShader&) = delete;
+	GLSLShader& operator=(const GLSLShader&) = delete;
+	GLSLShader& operator=(GLSLShader&& other) noexcept;
+
+	bool LoadShaders(const char* vertexShader, const char* fragmentShader);
 	void UnloadShaders();
 
 	void EnableShader();
 	void DisableShader();
 
-	int GetUniformLocation(const char *str);
-	int GetAttributeLocation(const char *str);
+	int GetUniformLocation(const char* str);
+	void GetUniformLocationMap(const char* str);
+	int GetAttributeLocation(const char* str);
+	void GetAttributeLocationMap(const char* str);
 
 	int uniformLoc[64];
 	int attribLoc[16];
 
 private:
 
+	struct cmp_str
+	{
+		bool operator()(char const* a, char const* b) const
+		{
+			return std::strcmp(a, b) < 0;
+		}
+	};
+
+public:
+
+	std::map<const char*, int, cmp_str> uniformLocMap;
+	std::map<const char*, int, cmp_str> attribLocMap;
+
+private:
+
+	void Reset();
+
 	void PrintShaderInfoLog(GLuint obj);
 	void PrintProgramInfoLog(GLuint obj);
 
@@ -31,4 +56,5 @@ private:
 	GLuint m_fShader;
 };
 
+
 #endif