gzdoom/wadsrc/static/shaders/glsl/stencil.fp

in vec4 pixelpos;

void main()
{
#ifndef NO_DISCARD
	// clip plane emulation for plane reflections. These are always perfectly horizontal so a simple check of the pixelpos's y coordinate is sufficient.
	if (pixelpos.y > uClipHeight + 65536.0) discard;
	if (pixelpos.y < uClipHeight - 65536.0) discard;
#endif

	gl_FragColor = vec4(1.0);
}
- added missing shader files. 2014-05-12 20:24:26 +00:00			`in vec4 pixelpos;`

			`void main()`
			`{`
- since the clip planes for plane mirrors did not work anymore I reimplemented them using shader based logic. It still needs to be seen if this affects performance on older hardware. 2014-07-13 10:14:12 +00:00			`#ifndef NO_DISCARD`
			`// clip plane emulation for plane reflections. These are always perfectly horizontal so a simple check of the pixelpos's y coordinate is sufficient.`
			`if (pixelpos.y > uClipHeight + 65536.0) discard;`
			`if (pixelpos.y < uClipHeight - 65536.0) discard;`
			`#endif`

- added missing shader files. 2014-05-12 20:24:26 +00:00			`gl_FragColor = vec4(1.0);`
			`}`