mirror of
https://github.com/holub/mame
synced 2025-07-23 10:11:15 +03:00
812e6094f4
* Update to bgfx a93a714632b79b5ddbf5c86ac323fa9b76ed3433 Co-authored-by: Бранимир Караџић <branimirkaradzic@gmail.com>
25 lines
691 B
Scala
25 lines
691 B
Scala
$input v_texcoord0
|
|
|
|
/*
|
|
* Copyright 2011-2022 Branimir Karadzic. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
|
|
*/
|
|
|
|
/*
|
|
* Reference(s):
|
|
* - Based on Virtual Texture Demo by Brad Blanchard
|
|
* http://web.archive.org/web/20190103162638/http://linedef.com/virtual-texture-demo.html
|
|
*/
|
|
|
|
#include "../common/common.sh"
|
|
#include "virtualtexture.sh"
|
|
|
|
void main()
|
|
{
|
|
float mipCount = log2(PageTableSize);
|
|
float mip = floor(MipLevel(v_texcoord0.xy, VirtualTextureSize) - MipBias);
|
|
mip = clamp(mip, 0, mipCount);
|
|
vec2 offset = floor(v_texcoord0.xy * PageTableSize);
|
|
gl_FragColor = vec4(floor(vec3(offset / exp2(mip), mip)) / 255.0, 1.0);
|
|
}
|