Mercurial > repos > blastem

annotate shaders/default.v.glsl @ 1364:30123ca5856c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added some code to try and prevent Z80 accesses and refresh cycles from screwing up interrupt latency more than on hardware
author Michael Pavone <pavone@retrodev.com>
date Fri, 19 May 2017 20:54:04 -0700
parents b1147418254a
children fa9ae059e4d3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #version 110
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
3 attribute vec2 pos;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
4 varying vec2 texcoord;
1184
b1147418254a Overscan is now configurable
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
5 uniform float width, height;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
6
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
7 void main()
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
8 {
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
9 gl_Position = vec4(pos, 0.0, 1.0);
1184
b1147418254a Overscan is now configurable
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
10 texcoord = sign(pos) * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0);
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
11 }