[test] Limit texture samples in graphics shader to 16.

Check if this fixes the `Too many fragment shader texture samplers` error.
alacritty · Feb 5, 2021 · 387a224 · 387a224
1 parent 80193cb
commit 387a224
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Showing 2 changed files with 2 additions and 6 deletions.
diff --git a/alacritty/res/graphics.f.glsl b/alacritty/res/graphics.f.glsl
@@ -7,7 +7,7 @@ flat in int texId;
 in vec2 texCoords;
 
 // Array with graphics data.
-uniform sampler2D textures[32];
+uniform sampler2D textures[16];
 
 void main() {
     // The expression `textures[texId]` can't be used in OpenGL 3.3.
@@ -31,10 +31,6 @@ void main() {
         TEX( 4) TEX( 5) TEX( 6) TEX( 7)
         TEX( 8) TEX( 9) TEX(10) TEX(11)
         TEX(12) TEX(13) TEX(14) TEX(15)
-        TEX(16) TEX(17) TEX(18) TEX(19)
-        TEX(20) TEX(21) TEX(22) TEX(23)
-        TEX(24) TEX(25) TEX(26) TEX(27)
-        TEX(28) TEX(29) TEX(30) TEX(31)
         default:
             discard;
     }

diff --git a/alacritty/src/renderer/graphics/shader.rs b/alacritty/src/renderer/graphics/shader.rs
@@ -8,7 +8,7 @@ use crate::renderer;
 /// Number of elements of the `textures[]` uniform.
 ///
 /// If the file `graphics.f.glsl` is modified, this value has to be updated.
-pub(super) const TEXTURES_ARRAY_SIZE: usize = 32;
+pub(super) const TEXTURES_ARRAY_SIZE: usize = 16;
 
 /// Sides where the vertex is located.
 ///