Mercurial > repos > blastem

annotate shaders/default.f.glsl @ 1925:039553703c20

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author Michael Pavone <pavone@retrodev.com>
date Mon, 13 Apr 2020 20:43:25 -0700
parents fa9ae059e4d3
children f3cca4b3f17a
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
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2 uniform sampler2D textures[2];
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
3
1658
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1426
diff changeset
4 varying mediump vec2 texcoord;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
5
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
6 void main()
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
7 {
1658
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1426
diff changeset
8 mediump vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0);
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1426
diff changeset
9 mediump vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0);
489
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
10 gl_FragColor = mix(
1426
957325c990d5 Fix texture coordinate offsets in default shader so things look right with really high resolutions and weird multiples of native
Michael Pavone <pavone@retrodev.com>
parents: 1406
diff changeset
11 texture2D(textures[1], modifiedCoord1),
957325c990d5 Fix texture coordinate offsets in default shader so things look right with really high resolutions and weird multiples of native
Michael Pavone <pavone@retrodev.com>
parents: 1406
diff changeset
12 texture2D(textures[0], modifiedCoord0),
1406
5e4a2ea8219b Minor simplification of default fragment shader
Michael Pavone <pavone@retrodev.com>
parents: 1405
diff changeset
13 (sin(texcoord.y * 1024.0 * 3.14159265359) + 1.0) * 0.5
489
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
14 );
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
15 }