1 files changed, 46 insertions, 0 deletions
diff --git a/alacritty/res/gles2/text.v.glsl b/alacritty/res/gles2/text.v.glsl
new file mode 100644
index 00000000..009094cc
--- /dev/null
+++ b/alacritty/res/gles2/text.v.glsl
@@ -0,0 +1,46 @@
+// Cell coords.
+attribute vec2 cellCoords;
+
+// Glyph coords.
+attribute vec2 glyphCoords;
+
+// uv mapping.
+attribute vec2 uv;
+
+// Text foreground rgb packed together with cell flags. textColor.a
+// are the bitflags; consult RenderingGlyphFlags in renderer/mod.rs
+// for the possible values.
+attribute vec4 textColor;
+
+// Background color.
+attribute vec4 backgroundColor;
+
+varying vec2 TexCoords;
+varying vec3 fg;
+varying float colored;
+varying vec4 bg;
+
+uniform highp int renderingPass;
+uniform vec4 projection;
+
+void main() {
+    vec2 projectionOffset = projection.xy;
+    vec2 projectionScale = projection.zw;
+
+    vec2 position;
+    if (renderingPass == 0) {
+        TexCoords = vec2(0, 0);
+        position = cellCoords;
+    } else {
+        TexCoords = uv;
+        position = glyphCoords;
+    }
+
+    fg = vec3(float(textColor.r), float(textColor.g), float(textColor.b)) / 255.;
+    colored = float(textColor.a);
+    bg = vec4(float(backgroundColor.r), float(backgroundColor.g), float(backgroundColor.b),
+            float(backgroundColor.a)) / 255.;
+
+    vec2 finalPosition = projectionOffset + position * projectionScale;
+    gl_Position = vec4(finalPosition, 0., 1.);
+}