From 8485ceb2e40f7b2a92af9e4a0d01efd4e081f4b8 Mon Sep 17 00:00:00 2001
From: "re.kovalev" <re.kovalev@gmail.com>
Date: Sun, 15 Jan 2023 03:10:37 +0300
Subject: [PATCH] =?UTF-8?q?=D0=93=D0=B5=D0=BD=D0=B5=D1=80=D0=B0=D1=86?=
 =?UTF-8?q?=D0=B8=D1=8F=20=D0=B1=D1=83=D1=84=D0=B5=D1=80=D0=B0?=
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---
 src/main.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 95e6038..609a02d 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -17,6 +17,7 @@ Texture* pgNormal = NULL;
 Texture* pgDiffuseP = NULL;
 Texture* pgAmbientSpecular = NULL;
 RBO*     pgrbo = NULL;
+Texture* pssaoTexture = NULL;
 // Размеры окна
 int WINDOW_WIDTH = 800;
 int WINDOW_HEIGHT = 600;
@@ -38,6 +39,9 @@ void framebuffer_size_callback(GLFWwindow* window, int width, int height)
     // И буфера глубины
     if (pgrbo)
         pgrbo->reallocate(width, height);
+    // SSAO
+    if (pssaoTexture)
+        pssaoTexture->reallocate(width, height, 6, GL_RED, GL_RED);
 
     // Запомним новые размеры окна
     WINDOW_WIDTH = width;
@@ -242,6 +246,15 @@ int main(void)
     pointShadowShader.load(GL_FRAGMENT_SHADER, "shaders/point_shadow.frag");
     pointShadowShader.link();
 
+    // Создадим буфер для вычисления SSAO
+    GLuint attachments_ssao[] = { GL_COLOR_ATTACHMENT0 };
+    FBO ssaoBuffer(attachments_ssao, sizeof(attachments_ssao) / sizeof(GLuint));
+    // Создадим текстуры для буфера кадра
+    Texture ssaoTexture(WINDOW_WIDTH, WINDOW_HEIGHT, GL_COLOR_ATTACHMENT0, 6, GL_RED, GL_RED);
+    pssaoTexture = &ssaoTexture;
+    // Активируем базовый буфер кадра
+    FBO::useDefault();
+
     // Модель прямоугольника
     Model rectangle;