vcl/opengl/invert50FragmentShader.glsl | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
New commits:
commit 8cf3f7bb7eba6fcddb42b6b789e5e4372a23f6b5
Author: Tomaž Vajngerl <tomaz.vajng...@collabora.com>
Date: Tue Feb 9 22:23:51 2016 +0100
opengl: invert50 shader compilation error
- can't assign vec4 to vec2
- LHS of `&&' must be scalar boolean
Change-Id: I46bef7d41198ed1a33f9c3f7796f25358849852e
diff --git a/vcl/opengl/invert50FragmentShader.glsl
b/vcl/opengl/invert50FragmentShader.glsl
index 76f3e1f..8fac1cc 100644
--- a/vcl/opengl/invert50FragmentShader.glsl
+++ b/vcl/opengl/invert50FragmentShader.glsl
@@ -10,9 +10,9 @@
/*precision mediump float;*/
void main() {
- vec2 tex_mod = mod(gl_FragCoord, 2);
- bool bLeft = tex_mod.x > 0 && tex_mod.x < 1;
- bool bTop = tex_mod.y > 0 && tex_mod.y < 1;
+ vec2 tex_mod = mod(gl_FragCoord, 2).xy;
+ bool bLeft = (tex_mod.x > 0.0) && (tex_mod.x < 1.0);
+ bool bTop = (tex_mod.y > 0.0) && (tex_mod.y < 1.0);
// horrors - where is the XOR operator ?
if ((bTop && bLeft) || (!bTop && !bLeft))
gl_FragColor = vec4(255,255,255,0);
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