From 5ebf4c228b9d26c2b1b32073487413eea6a4c4f2 Mon Sep 17 00:00:00 2001
From: talha <talha@talhaamir.xyz>
Date: Sun, 30 Jun 2024 22:31:36 +0500
Subject: Super simple version of optimized text rendering done

---
 source/shaders/ui_text_shader.vs.glsl | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'source/shaders/ui_text_shader.vs.glsl')

diff --git a/source/shaders/ui_text_shader.vs.glsl b/source/shaders/ui_text_shader.vs.glsl
index ecaefa4..363833e 100644
--- a/source/shaders/ui_text_shader.vs.glsl
+++ b/source/shaders/ui_text_shader.vs.glsl
@@ -1,12 +1,15 @@
 #version 330 core
-layout(location=0) in vec3 aPos;
-layout(location=1) in vec2 aTex;
+layout(location=0) in vec2 aPos;
 
 uniform mat4 Projection;
-
+uniform mat4 LetterTransforms[32];
 out vec2 TexCoords;
+flat out int Index;
 
 void main() {
-  gl_Position = Projection * vec4(aPos, 1.0);
-  TexCoords = aTex;
+  gl_Position = Projection * LetterTransforms[gl_InstanceID] * vec4(aPos, 0.0, 1.0);
+  vec2 tex = aPos;
+  TexCoords = tex;
+  TexCoords.y = 1.0 - TexCoords.y;
+  Index = gl_InstanceID;
 }
-- 
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