mirror of
https://github.com/overte-org/overte.git
synced 2025-08-10 21:03:27 +02:00
69 lines
2.3 KiB
Text
Executable file
69 lines
2.3 KiB
Text
Executable file
<@include gpu/Config.slh@>
|
|
<$VERSION_HEADER$>
|
|
// Generated on <$_SCRIBE_DATE$>
|
|
//
|
|
// skin_model_normal_map.vert
|
|
// vertex shader
|
|
//
|
|
// Created by Andrzej Kapolka on 10/29/13.
|
|
// Copyright 2013 High Fidelity, Inc.
|
|
//
|
|
// Distributed under the Apache License, Version 2.0.
|
|
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
|
|
//
|
|
|
|
<@include gpu/Transform.slh@>
|
|
<$declareStandardTransform()$>
|
|
|
|
const int MAX_TEXCOORDS = 2;
|
|
const int MAX_CLUSTERS = 128;
|
|
const int INDICES_PER_VERTEX = 4;
|
|
|
|
uniform mat4 clusterMatrices[MAX_CLUSTERS];
|
|
uniform mat4 texcoordMatrices[MAX_TEXCOORDS];
|
|
|
|
// the tangent vector
|
|
attribute vec3 tangent;
|
|
|
|
attribute vec4 clusterIndices;
|
|
attribute vec4 clusterWeights;
|
|
|
|
// the interpolated normal
|
|
varying vec4 interpolatedNormal;
|
|
|
|
// the interpolated tangent
|
|
varying vec4 interpolatedTangent;
|
|
|
|
varying vec3 color;
|
|
|
|
void main(void) {
|
|
vec4 interpolatedPosition = vec4(0.0, 0.0, 0.0, 0.0);
|
|
interpolatedNormal = vec4(0.0, 0.0, 0.0, 0.0);
|
|
interpolatedTangent = vec4(0.0, 0.0, 0.0, 0.0);
|
|
for (int i = 0; i < INDICES_PER_VERTEX; i++) {
|
|
mat4 clusterMatrix = clusterMatrices[int(clusterIndices[i])];
|
|
float clusterWeight = clusterWeights[i];
|
|
interpolatedPosition += clusterMatrix * gl_Vertex * clusterWeight;
|
|
interpolatedNormal += clusterMatrix * vec4(gl_Normal, 0.0) * clusterWeight;
|
|
interpolatedTangent += clusterMatrix * vec4(tangent, 0.0) * clusterWeight;
|
|
}
|
|
|
|
// pass along the diffuse color
|
|
color = gl_Color.xyz;
|
|
|
|
// and the texture coordinates
|
|
gl_TexCoord[0] = texcoordMatrices[0] * vec4(gl_MultiTexCoord0.xy, 0.0, 1.0);
|
|
|
|
interpolatedNormal = vec4(normalize(interpolatedNormal.xyz), 0.0);
|
|
interpolatedTangent = vec4(normalize(interpolatedTangent.xyz), 0.0);
|
|
|
|
// standard transform
|
|
TransformCamera cam = getTransformCamera();
|
|
TransformObject obj = getTransformObject();
|
|
<$transformModelToClipPos(cam, obj, interpolatedPosition, gl_Position)$>
|
|
<$transformModelToEyeDir(cam, obj, interpolatedNormal.xyz, interpolatedNormal.xyz)$>
|
|
<$transformModelToEyeDir(cam, obj, interpolatedTangent.xyz, interpolatedTangent.xyz)$>
|
|
|
|
interpolatedNormal = vec4(normalize(interpolatedNormal.xyz), 0.0);
|
|
interpolatedTangent = vec4(normalize(interpolatedTangent.xyz), 0.0);
|
|
}
|