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quakeforge
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quakeforge/libs/video/renderer/glsl/quaketxt.frag

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Start work on outputting text. The shaders now compile. No linking is done yet. Char quads are generated, but not sent to the card.
2011-12-25 10:42:39 +00:00
//precision mediump float;
Create some shaders for quake text. Still nothing drawn, but this gets my shader scripts into C without me having to look at ugly strings.
2011-12-25 06:53:12 +00:00
uniform sampler2D charmap;
uniform sampler2D palette;
Start work on outputting text. The shaders now compile. No linking is done yet. Char quads are generated, but not sent to the card.
2011-12-25 10:42:39 +00:00
varying vec2 st;
Create some shaders for quake text. Still nothing drawn, but this gets my shader scripts into C without me having to look at ugly strings.
2011-12-25 06:53:12 +00:00
void
main (void)
{
Start work on outputting text. The shaders now compile. No linking is done yet. Char quads are generated, but not sent to the card.
2011-12-25 10:42:39 +00:00
float pix;
Create some shaders for quake text. Still nothing drawn, but this gets my shader scripts into C without me having to look at ugly strings.
2011-12-25 06:53:12 +00:00
Start work on outputting text. The shaders now compile. No linking is done yet. Char quads are generated, but not sent to the card.
2011-12-25 10:42:39 +00:00
pix = texture2D (charmap, st).r;
Get text rendering working. It comes out as a funky green (that's not in the quake palette!!!), but it's mostly readable.
2011-12-26 01:16:16 +00:00
if (pix == 1.0)
discard;
Start work on outputting text. The shaders now compile. No linking is done yet. Char quads are generated, but not sent to the card.
2011-12-25 10:42:39 +00:00
gl_FragColor = texture2D (palette, vec2 (pix, 0.5));
Create some shaders for quake text. Still nothing drawn, but this gets my shader scripts into C without me having to look at ugly strings.
2011-12-25 06:53:12 +00:00
}