render to framebufer

4 files changed, 34 insertions, 3 deletions

diff --git a/shaders/fbo_frag.glsl b/shaders/fbo_frag.glsl
new file mode 100644
index 0000000..cf1fafa
--- /dev/null
+++ b/shaders/fbo_frag.glsl
@@ -0,0 +1,13 @@
+#version 330 core

+out vec4 FragColor;

+  

+in vec2 TexCoords;

+

+uniform sampler2D screenTexture;

+

+void main()

+{ 

+    FragColor = vec4(

+        texture(screenTexture, TexCoords).rgb,

+        1.0);

+}

diff --git a/shaders/fbo_vert.glsl b/shaders/fbo_vert.glsl
new file mode 100644
index 0000000..fb80df5
--- /dev/null
+++ b/shaders/fbo_vert.glsl
@@ -0,0 +1,11 @@
+#version 330 core

+layout (location = 0) in vec2 aPos;

+layout (location = 1) in vec2 aTexCoords;

+

+out vec2 TexCoords;

+

+void main()

+{

+    gl_Position = vec4(aPos.x, aPos.y, 0.0, 1.0); 

+    TexCoords = aTexCoords;

+}

diff --git a/shaders/frag.glsl b/shaders/frag.glsl
index a92699c..a70915a 100644
--- a/shaders/frag.glsl
+++ b/shaders/frag.glsl
@@ -8,6 +8,7 @@ out vec4 FragColor;
 uniform vec3 objectColor;

 uniform vec3 lightColor;

 uniform vec3 lightPos;

+uniform vec3 viewPos;

 

 void main()

 {

@@ -20,6 +21,12 @@ void main()
   float ambientStrength = 0.1;

   vec3 ambient = ambientStrength * lightColor;

 

-  vec3 result = (ambient + diffuse) * objectColor;

+  float specularStrength = 0.5;

+  vec3 viewDir = normalize(viewPos - FragPos);

+  vec3 reflectDir = reflect(-lightDir, norm);

+  float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);

+  vec3 specular = specularStrength * spec * lightColor;

+

+  vec3 result = (ambient + diffuse + specular) * objectColor;

   FragColor = vec4(result, 1.0f);

-}
\ No newline at end of file
+}

diff --git a/shaders/vert.glsl b/shaders/vert.glsl
index fc3721a..6f48573 100644
--- a/shaders/vert.glsl
+++ b/shaders/vert.glsl
@@ -15,4 +15,4 @@ void main()
   gl_Position = projection * view * model * vec4(pos, 1.0);

   FragPos = vec3(model * vec4(pos, 1));

   Normal = normal;

-}
\ No newline at end of file
+}