From c32a4507701d320de512177dbf2303f99c88961b Mon Sep 17 00:00:00 2001
From: "re.kovalev" <re.kovalev@gmail.com>
Date: Wed, 23 Nov 2022 14:24:49 +0300
Subject: [PATCH] =?UTF-8?q?=D0=A8=D0=B5=D0=B9=D0=B4=D0=B5=D1=80=D1=8B=20?=
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---
 shaders/quad.frag | 12 ++++++++++++
 shaders/quad.vert | 11 +++++++++++
 src/main.cpp      |  7 ++++++-
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 shaders/quad.frag
 create mode 100644 shaders/quad.vert

diff --git a/shaders/quad.frag b/shaders/quad.frag
new file mode 100644
index 0000000..d466432
--- /dev/null
+++ b/shaders/quad.frag
@@ -0,0 +1,12 @@
+#version 420 core 
+
+in vec2 texCoord;
+
+uniform sampler2D tex;
+
+out vec4 color; 
+
+void main() 
+{ 
+    color = texture(tex, texCoord);
+} 
\ No newline at end of file
diff --git a/shaders/quad.vert b/shaders/quad.vert
new file mode 100644
index 0000000..fb0683c
--- /dev/null
+++ b/shaders/quad.vert
@@ -0,0 +1,11 @@
+#version 420 core 
+
+layout(location = 0) in vec3 pos; 
+
+out vec2 texCoord;
+
+void main() 
+{ 
+    gl_Position = vec4(pos, 1.0);
+    texCoord = (pos.xy + vec2(1.0)) / 2; // Переход от [-1;1] к [0;1]
+}
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 038daac..e5e074a 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -137,7 +137,12 @@ int main(void)
     // Базовый буфер кадра
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
     
-
+    // Шейдер для переноса текстуры на прямоугольник
+    ShaderProgram quadProgram;
+    // Загрузка и компиляция шейдеров
+    quadProgram.load(GL_VERTEX_SHADER, "shaders/quad.vert");
+    quadProgram.load(GL_FRAGMENT_SHADER, "shaders/quad.frag");
+    quadProgram.link();
 
     // Пока не произойдет событие запроса закрытия окна
     while(!glfwWindowShouldClose(window))