From 9436414c5002e86e64f90be3f10933fdba63943e Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sat, 1 Oct 2022 19:35:43 +0200
Subject: a

---
 shaders/tile-shader.frag | 10 ++++++----
 shaders/tile-shader.vert | 15 ++++++++++-----
 2 files changed, 16 insertions(+), 9 deletions(-)

(limited to 'shaders')

diff --git a/shaders/tile-shader.frag b/shaders/tile-shader.frag
index f75a0478..8a31a1e1 100644
--- a/shaders/tile-shader.frag
+++ b/shaders/tile-shader.frag
@@ -1,12 +1,14 @@
+#version 450
 precision highp float;
 
-layout(location = 2) uniform sampler2D textureData;
-
-in vec2 interpolatedTextureCoordinates;
+const int MAX_SAMPLERS = 16;
+layout (location = 0) uniform sampler2D samplers[MAX_SAMPLERS];
 
+layout (location = 0) in vec2 texcoord;
+layout (location = 1) flat in uint sampler_id;
 out vec4 fragmentColor;
 
 void main() {
-    fragmentColor.rgb = texture(textureData, interpolatedTextureCoordinates).rgb;
+    fragmentColor.rgb = texture(samplers[sampler_id], texcoord).rgb;
     fragmentColor.a = 1;
 }
diff --git a/shaders/tile-shader.vert b/shaders/tile-shader.vert
index 239f4b07..6c12f1e2 100644
--- a/shaders/tile-shader.vert
+++ b/shaders/tile-shader.vert
@@ -1,14 +1,19 @@
+#version 450
 precision highp float;
 
+layout (location = 0) uniform vec2 scale;
+layout (location = 1) uniform vec2 offset;
+
 layout(location = 0) in vec4 position;
-layout(location = 1) in vec2 textureCoordinates;
-layout(location = 0) uniform vec2 scale;
-layout(location = 3) uniform vec2 offset;
+layout(location = 1) in vec2 texcoord;
+layout(location = 2) flat in uint sampler_id;
 
-out vec2 interpolatedTextureCoordinates;
+layout (location = 0) out vec2 out_texcoord;
+layout (location = 1) flat out uint out_sampler_id;
 
 void main() {
-    interpolatedTextureCoordinates = textureCoordinates;
+    interpolatedTextureCoordinates = texcoord;
+    out_sampler_id = sampler_id;
 
     float cx = 2/scale.x, cy = 2/scale.y;
     float x = position.y, y = position.x, z = position.z;
-- 
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