Add simple_shader (#1668)

* Add `simple_shader` * Add NL at EOF * Adopt `analysis_defaults` * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Update simple_shader/shaders/simple.frag Co-authored-by: Jonah Williams <jonahwilliams@google.com> * Apply `clang-format` to `shaders/simple.frag` --------- Co-authored-by: Jonah Williams <jonahwilliams@google.com>
2025-11-08 13:58:47 +00:00 · 2023-02-24 11:01:10 +11:00
parent 5c644ae6dc
commit 0b8be3e43f
120 changed files with 4142 additions and 0 deletions
--- a/simple_shader/shaders/simple.frag
+++ b/simple_shader/shaders/simple.frag
@@ -0,0 +1,25 @@
+#version 460 core
+
+#include <flutter/runtime_effect.glsl>
+
+precision mediump float;
+
+layout(location = 0) out vec4 fragColor;
+layout(location = 0) uniform vec2 resolution;
+
+vec3 flutterNavy = vec3(4, 43, 89) / 255;
+vec3 flutterBlue = vec3(5, 83, 177) / 255;
+vec3 flutterSky = vec3(2, 125, 253) / 255;
+
+void main() {
+  vec2 st = FlutterFragCoord().xy / resolution.xy;
+
+  vec3 color = vec3(0.0);
+  vec3 percent = vec3((st.x + st.y) / 2);
+
+  color =
+      mix(mix(flutterSky, flutterBlue, percent * 2),
+          mix(flutterBlue, flutterNavy, percent * 2 - 1), step(0.5, percent));
+
+  fragColor = vec4(color, 1);
+}