diff options
author | Brian Paul <[email protected]> | 2008-08-16 09:36:46 -0600 |
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committer | Brian Paul <[email protected]> | 2008-08-16 09:36:46 -0600 |
commit | c0dd9122fdedd4bcab5bc0b3bbb490e6b62fac83 (patch) | |
tree | ac114b79c5790b10c0a8904ca79dfea5480c5617 /progs/glsl/CH06-brick.frag | |
parent | ce00d232f3c01c71fb659568e9b58da1f24b2519 (diff) |
remove .txt suffix from shader source files
Diffstat (limited to 'progs/glsl/CH06-brick.frag')
-rw-r--r-- | progs/glsl/CH06-brick.frag | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/progs/glsl/CH06-brick.frag b/progs/glsl/CH06-brick.frag new file mode 100644 index 00000000000..06ef04e3afb --- /dev/null +++ b/progs/glsl/CH06-brick.frag @@ -0,0 +1,36 @@ +// +// Fragment shader for procedural bricks +// +// Authors: Dave Baldwin, Steve Koren, Randi Rost +// based on a shader by Darwyn Peachey +// +// Copyright (c) 2002-2006 3Dlabs Inc. Ltd. +// +// See 3Dlabs-License.txt for license information +// + +uniform vec3 BrickColor, MortarColor; +uniform vec2 BrickSize; +uniform vec2 BrickPct; + +varying vec2 MCposition; +varying float LightIntensity; + +void main() +{ + vec3 color; + vec2 position, useBrick; + + position = MCposition / BrickSize; + + if (fract(position.y * 0.5) > 0.5) + position.x += 0.5; + + position = fract(position); + + useBrick = step(position, BrickPct); + + color = mix(MortarColor, BrickColor, useBrick.x * useBrick.y); + color *= LightIntensity; + gl_FragColor = vec4(color, 1.0); +} |