mirror of
https://github.com/DrBeef/Doom3Quest.git
synced 2025-02-19 10:31:02 +00:00
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
|
|
* This file is part of the D3wasm project (http://www.continuation-labs.com/projects/d3wasm)
|
|
* Copyright (c) 2019 Gabriel Cuvillier.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, version 3.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "glsl_shaders.h"
|
|
|
|
const char * const interactionShaderVP = R"(
|
|
#version 100
|
|
precision highp float;
|
|
|
|
// In
|
|
attribute highp vec4 attr_Vertex;
|
|
attribute lowp vec4 attr_Color;
|
|
attribute vec4 attr_TexCoord;
|
|
attribute vec3 attr_Tangent;
|
|
attribute vec3 attr_Bitangent;
|
|
attribute vec3 attr_Normal;
|
|
|
|
// Uniforms
|
|
uniform highp mat4 u_modelViewProjectionMatrix;
|
|
uniform mat4 u_lightProjection;
|
|
uniform lowp float u_colorModulate;
|
|
uniform lowp float u_colorAdd;
|
|
uniform vec4 u_lightOrigin;
|
|
uniform vec4 u_viewOrigin;
|
|
uniform vec4 u_bumpMatrixS;
|
|
uniform vec4 u_bumpMatrixT;
|
|
uniform vec4 u_diffuseMatrixS;
|
|
uniform vec4 u_diffuseMatrixT;
|
|
uniform vec4 u_specularMatrixS;
|
|
uniform vec4 u_specularMatrixT;
|
|
|
|
// Out
|
|
// gl_Position
|
|
varying vec2 var_TexDiffuse;
|
|
varying vec2 var_TexNormal;
|
|
varying vec2 var_TexSpecular;
|
|
varying vec4 var_TexLight;
|
|
varying lowp vec4 var_Color;
|
|
varying vec3 var_L;
|
|
varying vec3 var_H;
|
|
|
|
void main(void)
|
|
{
|
|
mat3 M = mat3(attr_Tangent, attr_Bitangent, attr_Normal);
|
|
|
|
var_TexNormal.x = dot(u_bumpMatrixS, attr_TexCoord);
|
|
var_TexNormal.y = dot(u_bumpMatrixT, attr_TexCoord);
|
|
|
|
var_TexDiffuse.x = dot(u_diffuseMatrixS, attr_TexCoord);
|
|
var_TexDiffuse.y = dot(u_diffuseMatrixT, attr_TexCoord);
|
|
|
|
var_TexSpecular.x = dot(u_specularMatrixS, attr_TexCoord);
|
|
var_TexSpecular.y = dot(u_specularMatrixT, attr_TexCoord);
|
|
|
|
var_TexLight.x = dot(u_lightProjection[0], attr_Vertex);
|
|
var_TexLight.y = dot(u_lightProjection[1], attr_Vertex);
|
|
var_TexLight.z = dot(u_lightProjection[2], attr_Vertex);
|
|
var_TexLight.w = dot(u_lightProjection[3], attr_Vertex);
|
|
|
|
vec3 L = u_lightOrigin.xyz - attr_Vertex.xyz;
|
|
vec3 V = u_viewOrigin.xyz - attr_Vertex.xyz;
|
|
vec3 H = normalize(L) + normalize(V);
|
|
|
|
var_L = L * M;
|
|
var_H = H * M;
|
|
|
|
if (u_colorModulate == 0.0) {
|
|
var_Color = vec4(u_colorAdd);
|
|
} else {
|
|
var_Color = (attr_Color * u_colorModulate) + vec4(u_colorAdd);
|
|
}
|
|
|
|
gl_Position = u_modelViewProjectionMatrix * attr_Vertex;
|
|
}
|
|
)";
|