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// Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#version 450
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 0) out vec4 positionInLightSpace;
layout(location = 1) out vec3 position;
layout(location = 2) out vec3 normal;
layout(std140, binding = 0) uniform qt3d_render_view_uniforms {
mat4 viewMatrix;
mat4 projectionMatrix;
mat4 viewProjectionMatrix;
mat4 inverseViewMatrix;
mat4 inverseProjectionMatrix;
mat4 inverseViewProjectionMatrix;
mat4 viewportMatrix;
mat4 inverseViewportMatrix;
vec4 textureTransformMatrix;
vec3 eyePosition;
float aspectRatio;
float gamma;
float exposure;
float time;
};
layout(std140, binding = 1) uniform qt3d_command_uniforms {
mat4 modelMatrix;
mat4 inverseModelMatrix;
mat4 modelView;
mat3 modelNormalMatrix;
mat4 inverseModelViewMatrix;
mat4 mvp;
mat4 inverseModelViewProjectionMatrix;
mat3 modelViewNormal;
};
layout(std140, binding = 2) uniform qt3d_custom_uniforms {
mat4 lightViewProjection;
vec3 lightPosition;
vec3 lightIntensity;
vec3 ka; // Ambient reflectivity
vec3 kd; // Diffuse reflectivity
vec3 ks; // Specular reflectivity
float shininess; // Specular shininess factor
};
void main()
{
// positionInLightSpace = lightViewProjection * modelMatrix * vec4(vertexPosition, 1.0);
const mat4 shadowMatrix = mat4(0.5, 0.0, 0.0, 0.0,
0.0, 0.5, 0.0, 0.0,
0.0, 0.0, 0.5, 0.0,
0.5, 0.5, 0.5, 1.0);
positionInLightSpace = shadowMatrix * lightViewProjection * modelMatrix * vec4(vertexPosition, 1.0);
normal = normalize(modelViewNormal * vertexNormal);
position = vec3(modelView * vec4(vertexPosition, 1.0));
gl_Position = mvp * vec4(vertexPosition, 1.0);
}
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