Added Shader

NothinFancy/NothinFancy.vcxproj

@@ -195,6 +195,7 @@
     <ClCompile Include="src\IntroGamestate.cpp" />
     <ClCompile Include="src\Renderer\IndexBuffer.cpp" />
     <ClCompile Include="src\Renderer\Renderer.cpp" />
+    <ClCompile Include="src\Renderer\Shader.cpp" />
     <ClCompile Include="src\Renderer\VertexArray.cpp" />
     <ClCompile Include="src\Renderer\VertexBuffer.cpp" />
     <ClCompile Include="src\Utility.cpp" />
@@ -208,6 +209,7 @@
     <ClInclude Include="src\include\Input.h" />
     <ClInclude Include="src\include\NothinFancy.h" />
     <ClInclude Include="src\include\Renderer.h" />
+    <ClInclude Include="src\include\Shader.h" />
     <ClInclude Include="src\include\Utility.h" />
     <ClInclude Include="src\include\VertexArray.h" />
     <ClInclude Include="src\include\VertexBuffer.h" />

NothinFancy/NothinFancy.vcxproj.filters

@@ -36,6 +36,9 @@
     <ClCompile Include="src\Renderer\VertexArray.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\Renderer\Shader.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\include\Config.h">
@@ -71,6 +74,9 @@
     <ClInclude Include="src\include\VertexArray.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\include\Shader.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Natvis Include="NatvisFile.natvis" />

NothinFancy/src/Renderer/Renderer.cpp

@@ -43,9 +43,6 @@ namespace nf {
 		wglMakeCurrent(m_hdc, m_hglrc);
 		wglSwapIntervalEXT(0);
 		Log("OpenGL version: " + std::string((char*)glGetString(GL_VERSION)));
-		GLuint vao;
-		glGenVertexArrays(1, &vao);
-		glBindVertexArray(vao);
 		glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 	}
 

NothinFancy/src/Renderer/Shader.cpp

@@ -0,0 +1,49 @@
+#include "Shader.h"
+
+namespace nf {
+	Shader::Shader(const char* vertexSource, const char* fragmentSource) {
+		m_id = glCreateProgram();
+		unsigned int vs = glCreateShader(GL_VERTEX_SHADER);
+		unsigned int fs = glCreateShader(GL_FRAGMENT_SHADER);
+		glShaderSource(vs, 1, &vertexSource, nullptr);
+		glShaderSource(fs, 1, &fragmentSource, nullptr);
+		glCompileShader(vs);
+		glCompileShader(fs);
+		for (int i = 0; i < 2; i++) {
+			unsigned int curr = (i == 0 ? vs : fs);
+			int result;
+			glGetShaderiv(curr, GL_COMPILE_STATUS, &result);
+			if (result != GL_TRUE) {
+				int length;
+				glGetShaderiv(curr, GL_INFO_LOG_LENGTH, &length);
+				char* message = new char[length];
+				glGetShaderInfoLog(curr, length, &length, message);
+				message[length - 2] = 0;
+				Error(("OpenGL Error: " + (std::string)message).c_str());
+			}
+		}
+		glAttachShader(m_id, vs);
+		glAttachShader(m_id, fs);
+		glLinkProgram(m_id);
+		glValidateProgram(m_id);
+		int result;
+		glGetProgramiv(m_id, GL_VALIDATE_STATUS, &result);
+		if (result != GL_TRUE) {
+			int length;
+			glGetProgramiv(m_id, GL_INFO_LOG_LENGTH, &length);
+			char* message = new char[length];
+			glGetProgramInfoLog(m_id, length, &length, message);
+			Error(("OpenGL Error: " + (std::string)message).c_str());
+		}
+		glDeleteShader(vs);
+		glDeleteShader(fs);
+	}
+
+	void Shader::bind() {
+		glUseProgram(m_id);
+	}
+
+	Shader::~Shader() {
+		glDeleteProgram(m_id);
+	}
+}

NothinFancy/src/Renderer/VertexArray.cpp

@@ -14,7 +14,8 @@ namespace nf {
 	VertexArray::VertexArray(const void* bufferData, size_t bufferSize) :
 		m_id(0),
 		m_vb(bufferData, bufferSize),
-		m_hasLayout(false)
+		m_hasLayout(false),
+		m_vertexStride(0)
 	{
 		glGenVertexArrays(1, &m_id);
 	}

NothinFancy/src/include/Shader.h

@@ -0,0 +1,20 @@
+#pragma once
+#ifdef NFENGINE
+#include "GL/glew.h"
+#endif
+
+#include "Utility.h"
+
+namespace nf {
+	class Shader {
+	public:
+		Shader(const char* vertexSource, const char* fragmentSource);
+
+		void bind();
+
+		~Shader();
+	private:
+		unsigned int m_id;
+		//Associated resource?
+	};
+}