From 154436ab88925540f86f43c0ac885c080949aa9b Mon Sep 17 00:00:00 2001
From: Jonathan Bradley <jcb@pikum.xyz>
Date: Tue, 19 Aug 2025 13:51:40 -0400
Subject: pke: ui box type button image

---
 assets/shaders/ui-base.frag |  2 +-
 assets/shaders/ui-base.vert |  5 +++--
 assets/shaders/ui-txtr.frag | 15 +++++++++++++++
 3 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 assets/shaders/ui-txtr.frag

(limited to 'assets')

diff --git a/assets/shaders/ui-base.frag b/assets/shaders/ui-base.frag
index b056368..815e1c8 100644
--- a/assets/shaders/ui-base.frag
+++ b/assets/shaders/ui-base.frag
@@ -3,7 +3,7 @@
 layout(location = 0) in vec4 in_border_color;
 layout(location = 1) in vec4 in_background_color;
 layout(location = 2) in vec2 in_px_scale;
-layout(location = 3) in vec2 in_uv;
+layout(location = 3) in vec3 in_uv;
 
 layout(location = 0) out vec4 out_color;
 
diff --git a/assets/shaders/ui-base.vert b/assets/shaders/ui-base.vert
index c492a36..61cddaa 100644
--- a/assets/shaders/ui-base.vert
+++ b/assets/shaders/ui-base.vert
@@ -10,11 +10,12 @@ layout(location = 6) in vec4 in_border_color;
 layout(location = 7) in vec4 in_background_color;
 layout(location = 8) in vec2 px_scale;
 layout(location = 9) in float depth;
+layout(location = 10) in float texture_layer;
 
 layout(location = 0) out vec4 out_border_color;
 layout(location = 1) out vec4 out_background_color;
 layout(location = 2) out vec2 out_px_scale;
-layout(location = 3) out vec2 out_uv;
+layout(location = 3) out vec3 out_uv;
 
 out gl_PerVertex
 {
@@ -28,5 +29,5 @@ void main()
 	out_border_color = in_border_color;
 	out_background_color = in_background_color;
 	out_px_scale = px_scale;
-	out_uv = in_uv;
+	out_uv = vec3(in_uv, texture_layer);
 }
diff --git a/assets/shaders/ui-txtr.frag b/assets/shaders/ui-txtr.frag
new file mode 100644
index 0000000..5ca55ba
--- /dev/null
+++ b/assets/shaders/ui-txtr.frag
@@ -0,0 +1,15 @@
+# version 450
+
+// layout(location = 0) in vec4 in_border_color;
+// layout(location = 1) in vec4 in_background_color;
+// layout(location = 2) in vec2 in_px_scale;
+layout(location = 3) in vec3 in_uv;
+
+layout(location = 0) out vec4 out_color;
+
+layout(binding = 0) uniform sampler2DArray texture_sampler;
+
+void main() {
+  vec4 color = texture(texture_sampler, in_uv.xyz);
+	out_color = color;
+}
-- 
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