From aafc423a7298b0fc595c0209480474dc50c277f0 Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 21 Nov 2021 13:56:28 +0500
Subject: Added Gbuffer

---
 cwd/assets/altcraft/shaders/frag/face.fs  | 10 ++++++----
 cwd/assets/altcraft/shaders/frag/light.fs | 16 ++++++++++++++++
 cwd/assets/altcraft/shaders/vert/light.vs | 11 +++++++++++
 3 files changed, 33 insertions(+), 4 deletions(-)
 create mode 100644 cwd/assets/altcraft/shaders/frag/light.fs
 create mode 100644 cwd/assets/altcraft/shaders/vert/light.vs

(limited to 'cwd/assets')

diff --git a/cwd/assets/altcraft/shaders/frag/face.fs b/cwd/assets/altcraft/shaders/frag/face.fs
index 30d44d2..0eb5a21 100644
--- a/cwd/assets/altcraft/shaders/frag/face.fs
+++ b/cwd/assets/altcraft/shaders/frag/face.fs
@@ -5,14 +5,16 @@ in VS_OUT {
     vec3 Color;
 } fs_in;
 
-out vec4 fragColor;
+layout (location = 0) out vec4 color;
+layout (location = 1) out vec4 normal;
 
 uniform sampler2DArray textureAtlas;
 
 void main() {
-    vec4 color = texture(textureAtlas,fs_in.Texture);
-    if (color.a < 0.3)
+    vec4 col = texture(textureAtlas, fs_in.Texture);
+    if (col.a < 0.3)
         discard;
 
-    fragColor = vec4(color.rgb * fs_in.Color, 1.0);
+    color = vec4(col.rgb * fs_in.Color, 1.0f);
+    normal = vec4(1.0f - color.r, 1.0f - color.b, 1.0f, 1.0f);
 }
diff --git a/cwd/assets/altcraft/shaders/frag/light.fs b/cwd/assets/altcraft/shaders/frag/light.fs
new file mode 100644
index 0000000..480e265
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/light.fs
@@ -0,0 +1,16 @@
+#version 330 core
+
+out vec4 fragColor;
+
+in vec2 uv;
+
+uniform sampler2D color;
+uniform sampler2D normal;
+uniform sampler2D depthStencil;
+
+void main() {
+    vec4 c = texture(color, uv);
+    vec4 n = texture(normal, uv);
+    float d = texture(depthStencil, uv).r;
+    fragColor = vec4(c.r, n.r, d - 0.3f, 1.0f);
+}
diff --git a/cwd/assets/altcraft/shaders/vert/light.vs b/cwd/assets/altcraft/shaders/vert/light.vs
new file mode 100644
index 0000000..f837ebe
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/vert/light.vs
@@ -0,0 +1,11 @@
+#version 330 core
+
+in vec2 pos;
+in vec2 uvPos;
+
+out vec2 uv;
+
+void main() {
+    gl_Position = vec4(pos.x, pos.y, 0.0, 1.0);
+    uv = uvPos;
+}
-- 
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