From ce116b8ba834363921cc31ce2ef0781d6f6b2627 Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 14 Nov 2021 07:27:39 +0500
Subject: Added basic Graphics Abstraction Layer

---
 src/Render.cpp | 37 ++++++++++---------------------------
 1 file changed, 10 insertions(+), 27 deletions(-)

(limited to 'src/Render.cpp')

diff --git a/src/Render.cpp b/src/Render.cpp
index b9b7ab0..8b78efb 100644
--- a/src/Render.cpp
+++ b/src/Render.cpp
@@ -18,6 +18,7 @@
 #include "Framebuffer.hpp"
 #include "Plugin.hpp"
 #include "Rml.hpp"
+#include "Gal.hpp"
 
 const std::map<SDL_Keycode, Rml::Input::KeyIdentifier> keyMapping = {
     {SDLK_BACKSPACE, Rml::Input::KI_BACK},
@@ -117,30 +118,12 @@ void Render::InitSdl(unsigned int WinWidth, unsigned int WinHeight, std::string
 }
 
 void Render::InitGlew() {
-    LOG(INFO) << "Initializing GLEW";
-    glewExperimental = GL_TRUE;
-    GLenum glewStatus = glewInit();
-    glCheckError();
-    if (glewStatus != GLEW_OK) {
-        LOG(FATAL) << "Failed to initialize GLEW: " << glewGetErrorString(glewStatus);
-    }
+    auto gal = Gal::GetImplementation();
+    gal->Init();
+
     int width, height;
     SDL_GL_GetDrawableSize(window, &width, &height);
-    glViewport(0, 0, width, height);
-	glClearColor(0.0f,0.0f,0.0f, 1.0f);
-    glEnable(GL_DEPTH_TEST);
-    glDepthFunc(GL_LEQUAL);
-
-    glEnable(GL_CULL_FACE);
-    glCullFace(GL_BACK);
-    glFrontFace(GL_CCW);
-
-    glEnable(GL_BLEND);
-    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-    glCheckError();
-    if (glActiveTexture == nullptr) {
-        throw std::runtime_error("GLEW initialization failed with unknown reason");
-    }
+    gal->GetDefaultFramebuffer()->SetViewport(0, 0, width, height);
 }
 
 void Render::PrepareToRendering() {
@@ -175,19 +158,19 @@ void Render::UpdateKeyboard() {
 
 void Render::RenderFrame() {
 	OPTICK_EVENT();
-	framebuffer->Clear();
+	//framebuffer->Clear();
 	Framebuffer::GetDefault().Clear();	
 
-	if (renderWorld)
-		framebuffer->Activate();
+	//if (renderWorld)
+	//	framebuffer->Activate();
     if (isWireframe)
         glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
     if (renderWorld)
         world->Render(renderState);
     if (isWireframe)
         glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);	
-	if (renderWorld)
-		framebuffer->RenderTo(Framebuffer::GetDefault());
+	//if (renderWorld)
+	//	framebuffer->RenderTo(Framebuffer::GetDefault());
 
 	RenderGui();
 
-- 
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