Migrate OpenGL specific headers to renderer_gl

src/core/renderer_gl/gl_state.cpp

@@ -1,4 +1,4 @@
-#include "gl_state.hpp"
+#include "renderer_gl/gl_state.hpp"
 
 void GLStateManager::resetBlend() {
 	blendEnabled = false;

src/core/renderer_gl/renderer_gl.cpp

@@ -607,6 +607,8 @@ void RendererGL::reset() {
 }
 
 void RendererGL::initGraphicsContext() {
+	gl.reset();
+
 	OpenGL::Shader vert(vertexShader, OpenGL::Vertex);
 	OpenGL::Shader frag(fragmentShader, OpenGL::Fragment);
 	triangleProgram.create({vert, frag});

src/emulator.cpp

@@ -433,12 +433,7 @@ bool Emulator::loadELF(std::ifstream& file) {
 }
 
 // Reset our graphics context and initialize the GPU's graphics context
-void Emulator::initGraphicsContext() {
-#if PANDA3DS_ENABLE_OPENGL
-	gl.reset();  // TODO (For when we have multiple backends): Only do this if we are using OpenGL
-#endif
-	gpu.initGraphicsContext();
-}
+void Emulator::initGraphicsContext() { gpu.initGraphicsContext(); }
 
 #ifdef PANDA3DS_ENABLE_HTTP_SERVER
 void Emulator::pollHttpServer() {