Mercurial > repos > blastem
annotate shaders/default.v.glsl @ 1637:95880d947257
Fix for VRAM byte write order broke VDP FIFO testing ROM results. This change cleans up VRAM writes and fixes the regression while preserving the correct VRAM byte write order
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sun, 11 Nov 2018 22:39:29 -0800 |
parents | b1147418254a |
children | fa9ae059e4d3 |
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 } |