From a2600cc7989aed867187a915dc11fb239e319ab1 Mon Sep 17 00:00:00 2001
From: Terri00 <thrustmediaproductions@gmail.com>
Date: Wed, 27 Mar 2019 15:40:51 +0000
Subject: [PATCH] Basic AA (Supersampling x2)

---
 MCDV/FrameBuffer.hpp      |  4 ++--
 MCDV/MCDV.vcxproj         |  1 +
 MCDV/MCDV.vcxproj.filters |  3 +++
 MCDV/main.cpp             | 15 ++++++++++++---
 MCDV/mapinfo.fs           | 28 ++++++++++++++++++++++++++++
 5 files changed, 46 insertions(+), 5 deletions(-)
 create mode 100644 MCDV/mapinfo.fs

diff --git a/MCDV/FrameBuffer.hpp b/MCDV/FrameBuffer.hpp
index 46462e3..4b74045 100644
--- a/MCDV/FrameBuffer.hpp
+++ b/MCDV/FrameBuffer.hpp
@@ -33,8 +33,8 @@ public:
 		//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 		//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 		glBindTexture(GL_TEXTURE_2D, 0);
 
 		// attach it to currently bound framebuffer object
diff --git a/MCDV/MCDV.vcxproj b/MCDV/MCDV.vcxproj
index 8312342..6dd754c 100644
--- a/MCDV/MCDV.vcxproj
+++ b/MCDV/MCDV.vcxproj
@@ -168,6 +168,7 @@
     <ClCompile Include="main2.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="mapinfo.fs" />
     <None Include="shaders\depth.fs" />
     <None Include="shaders\depth.vs" />
     <None Include="shaders\fullscreenbase.vs" />
diff --git a/MCDV/MCDV.vcxproj.filters b/MCDV/MCDV.vcxproj.filters
index 68ba8cd..ccce187 100644
--- a/MCDV/MCDV.vcxproj.filters
+++ b/MCDV/MCDV.vcxproj.filters
@@ -201,6 +201,9 @@
     <None Include="shaders\ss_comp_main.fs">
       <Filter>OpenGL\Shader Files</Filter>
     </None>
+    <None Include="mapinfo.fs">
+      <Filter>OpenGL\Shader Files</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <Image Include="fonts\dina-r.png">
diff --git a/MCDV/main.cpp b/MCDV/main.cpp
index 5db00dc..07ef936 100644
--- a/MCDV/main.cpp
+++ b/MCDV/main.cpp
@@ -246,8 +246,9 @@ int app(int argc, const char** argv) {
 
 	FrameBuffer fb_tex_playspace = FrameBuffer(m_renderWidth, m_renderHeight);
 	FrameBuffer fb_tex_objectives = FrameBuffer(m_renderWidth, m_renderHeight);
-	FrameBuffer fb_comp = FrameBuffer(m_renderWidth, m_renderHeight);
-	FrameBuffer fb_comp_1 = FrameBuffer(m_renderWidth, m_renderHeight); //Reverse ordered frame buffer
+	FrameBuffer fb_comp = FrameBuffer(m_renderWidth * 2, m_renderHeight * 2);
+	FrameBuffer fb_comp_1 = FrameBuffer(m_renderWidth * 2, m_renderHeight * 2); //Reverse ordered frame buffer
+	FrameBuffer fb_final = FrameBuffer(m_renderWidth, m_renderHeight);
 
 	// Screenspace quad
 	std::cout << "Creating screenspace mesh\n";
@@ -422,6 +423,8 @@ int app(int argc, const char** argv) {
 
 	// ======================================================== REGULAR ORDER ========================================================
 
+	glViewport(0, 0, m_renderWidth * 2, m_renderHeight * 2);
+
 	fb_comp.Bind(); //Bind framebuffer
 
 	glClearColor(0.00f, 0.00f, 0.00f, 1.00f);
@@ -532,6 +535,8 @@ int app(int argc, const char** argv) {
 
 	// ========================================================== PRE-COMP ===========================================================
 
+	glViewport(0, 0, m_renderWidth, m_renderHeight);
+
 	// Apply diffusion
 	fb_tex_playspace.Bind();
 
@@ -566,6 +571,8 @@ int app(int argc, const char** argv) {
 #pragma region render_objectives
 	std::cout << "Rendering bombsites & buyzones space... ";
 
+	glViewport(0, 0, m_renderWidth * 2, m_renderHeight * 2);
+
 	fb_comp.Bind();
 
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -593,6 +600,8 @@ int app(int argc, const char** argv) {
 	}
 
 	// Apply diffusion
+	glViewport(0, 0, m_renderWidth, m_renderHeight);
+
 	fb_tex_objectives.Bind();
 
 	glClearColor(0.00f, 0.00f, 0.00f, 0.00f);
@@ -622,7 +631,7 @@ int app(int argc, const char** argv) {
 #pragma region compositing
 	std::cout << "Compositing... \n";
 
-	fb_comp.Bind();
+	fb_final.Bind();
 
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	glPolygonMode(GL_FRONT, GL_FILL);
diff --git a/MCDV/mapinfo.fs b/MCDV/mapinfo.fs
new file mode 100644
index 0000000..afd8ec9
--- /dev/null
+++ b/MCDV/mapinfo.fs
@@ -0,0 +1,28 @@
+#version 330 core
+
+out vec3 gPos;	 // Geo buffer (RGB16F)
+out vec3 gNorm;  // Normal buffer (RGB888)
+out vec4 gInfo;  // Info buffer (RGBA8888)
+
+uniform vec3 color;
+
+uniform float HEIGHT_MIN;
+uniform float HEIGHT_MAX;
+uniform float write_playable;
+uniform float write_cover;
+
+in vec3 FragPos;
+in float Depth;
+
+// Simple remap from-to range.
+float remap(float value, float low1, float high1, float low2, float high2)
+{
+	return low2 + (value - low1) * (high2 - low2) / (high1 - low1);
+}
+
+void main()
+{
+	float height = pow(remap(FragPos.y, HEIGHT_MIN, HEIGHT_MAX, 0, 1), 2.2);
+
+	FragColor = vec4(write_playable, height, write_cover, 1);
+}
\ No newline at end of file
-- 
2.25.1