From 83c61036966c4c358a094cabe27c8de60082200d Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sat, 20 Nov 2021 00:29:28 +0500
Subject: Removed every reference to OpenGL except GalOgl.cpp

---
 src/Framebuffer.cpp | 129 ----------------------------------------------------
 1 file changed, 129 deletions(-)
 delete mode 100644 src/Framebuffer.cpp

(limited to 'src/Framebuffer.cpp')

diff --git a/src/Framebuffer.cpp b/src/Framebuffer.cpp
deleted file mode 100644
index d81b0e0..0000000
--- a/src/Framebuffer.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-#include "Framebuffer.hpp"
-#include "Shader.hpp"
-#include <string>
-#include "Utility.hpp"
-#include "AssetManager.hpp"
-#include <optick.h>
-
-const GLuint magic = 316784;
-GLuint quadVao = magic, quadVbo = magic;
-
-Framebuffer::Framebuffer(unsigned int width, unsigned int height, bool createDepthStencilBuffer) : width(width), height(height) {
-	OPTICK_EVENT();
-	if (quadVao == magic) {
-		float quadVertices[] = {
-			// positions   // texCoords
-			-1.0f,  1.0f,  0.0f, 1.0f,
-			-1.0f, -1.0f,  0.0f, 0.0f,
-			 1.0f, -1.0f,  1.0f, 0.0f,
-
-			-1.0f,  1.0f,  0.0f, 1.0f,
-			 1.0f, -1.0f,  1.0f, 0.0f,
-			 1.0f,  1.0f,  1.0f, 1.0f
-		};
-
-		glGenVertexArrays(1, &quadVao);
-		glGenBuffers(1, &quadVbo);
-		glBindVertexArray(quadVao);
-		glBindBuffer(GL_ARRAY_BUFFER, quadVbo);
-		glBufferData(GL_ARRAY_BUFFER, sizeof(quadVertices), &quadVertices, GL_STATIC_DRAW);
-		glEnableVertexAttribArray(0);
-		glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)0);
-		glEnableVertexAttribArray(1);
-		glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)(2 * sizeof(float)));
-		AssetManager::GetAsset<AssetShader>("/altcraft/shaders/fbo")->shader->Activate();
-		AssetManager::GetAsset<AssetShader>("/altcraft/shaders/fbo")->shader->SetUniform("inputTexture", 1);
-		glActiveTexture(GL_TEXTURE1);
-		glCheckError();
-	}
-
-	glGenTextures(1, &texColor);
-	glBindTexture(GL_TEXTURE_2D, texColor);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glCheckError();
-
-	if (createDepthStencilBuffer) {
-		glGenRenderbuffers(1, &rboDepthStencil);
-		glBindRenderbuffer(GL_RENDERBUFFER, rboDepthStencil);
-		glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height);
-	}
-
-	glGenFramebuffers(1, &fbo);
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texColor, 0);
-	if(createDepthStencilBuffer)
-		glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, rboDepthStencil);
-	glCheckError();
-
-	GLenum framebufferStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
-	if (framebufferStatus != GL_FRAMEBUFFER_COMPLETE)
-		throw std::runtime_error("Failed to initialize framebuffer: " + std::to_string(framebufferStatus));	
-}
-
-Framebuffer::~Framebuffer() {
-	if (rboDepthStencil)
-		glDeleteRenderbuffers(1, &rboDepthStencil);
-	if (texColor)
-		glDeleteTextures(1, &texColor);
-
-	glDeleteFramebuffers(1, &fbo);
-}
-
-void Framebuffer::Activate() {
-	OPTICK_EVENT();
-	glViewport(0, 0, width, height);
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-}
-
-void Framebuffer::RenderTo(Framebuffer &target) {
-	OPTICK_EVENT();
-	glBindFramebuffer(GL_FRAMEBUFFER, target.fbo);
-	glViewport(0, 0, target.width, target.height);	
-	AssetManager::GetAsset<AssetShader>("/altcraft/shaders/fbo")->shader->Activate();
-	glBindVertexArray(quadVao);
-	glBindTexture(GL_TEXTURE_2D, texColor);
-	glDrawArrays(GL_TRIANGLES, 0, 6);
-}
-
-void Framebuffer::Resize(unsigned int newWidth, unsigned int newHeight) {
-	width = newWidth;
-	height = newHeight;
-	if (texColor) {
-		glBindTexture(GL_TEXTURE_2D, texColor);
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, newWidth, newHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
-	}	
-	if (rboDepthStencil) {
-		glBindRenderbuffer(GL_RENDERBUFFER, rboDepthStencil);
-		glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height);
-	}
-}
-
-Framebuffer &Framebuffer::GetDefault() {
-	OPTICK_EVENT();
-	static char fboDefaultData[sizeof(Framebuffer)];
-	static Framebuffer *fboDefault = nullptr;
-	if (fboDefault == nullptr) {
-		fboDefault = reinterpret_cast<Framebuffer*>(fboDefaultData);
-		fboDefault->fbo = 0;
-		fboDefault->width = 1;
-		fboDefault->height = 1;
-		fboDefault->texColor = 0;
-		fboDefault->rboDepthStencil = 0;
-	}
-	return *fboDefault;
-}
-
-void Framebuffer::Clear(bool color, bool depth, bool stencil) {
-	OPTICK_EVENT();
-	Activate();
-	GLbitfield clearBits = 0;
-	if (color)
-		clearBits |= GL_COLOR_BUFFER_BIT;
-	if (depth)
-		clearBits |= GL_DEPTH_BUFFER_BIT;
-	if (stencil)
-		clearBits |= GL_STENCIL_BUFFER_BIT;
-	glClear(clearBits);
-}
-- 
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