qtdoc/examples/demos/xr_physicsbase_teleportation/media/shaders/grass.frag

25 lines
619 B
GLSL

// Copyright (C) 2024 The Qt Company Ltd.*
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
VARYING vec2 texcoord;
VARYING vec4 vcolor;
VARYING vec3 vViewVec;
void MAIN()
{
vec2 tc = texcoord;
vec3 base = qt_sRGBToLinear(texture(grass_base, tc).xyz);
float noise = texture(perlin, vcolor.zw).x;
float invert = sign(dot(NORMAL, vViewVec));
NORMAL *= invert;
TANGENT *= invert;
BINORMAL *= invert;
ROUGHNESS = 1.;
METALNESS = 0;
OCCLUSION_AMOUNT = (smoothstep(0, 0.4, tc.y) + 0.1) * (1.0 - noise + 0.2);
BASE_COLOR = vec4(base * baseColor.xyz, 1.0);
}