51 lines
2.8 KiB
GLSL
51 lines
2.8 KiB
GLSL
/********************************************************************************
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* OpenGL-Framework *
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* Copyright (c) 2013 Daniel Chappuis *
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*********************************************************************************
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* *
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* This software is provided 'as-is', without any express or implied warranty. *
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* In no event will the authors be held liable for any damages arising from the *
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* use of this software. *
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* *
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* Permission is granted to anyone to use this software for any purpose, *
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* including commercial applications, and to alter it and redistribute it *
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* freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must not claim *
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* that you wrote the original software. If you use this software in a *
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* product, an acknowledgment in the product documentation would be *
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* appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must not be *
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* misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source distribution. *
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* *
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********************************************************************************/
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// Uniform variables
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uniform mat4 localToCameraMatrix; // Local-space to camera-space matrix
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uniform mat4 projectionMatrix; // Projection matrix
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uniform mat3 normalMatrix; // Normal matrix
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// Varying variables
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varying vec3 vertexPosCameraSpace; // Camera-space position of the vertex
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varying vec3 vertexNormalCameraSpace; // Vertex normal in camera-space
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varying vec2 texCoords; // Texture coordinates
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void main() {
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// Compute the vertex position
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vec4 positionCameraSpace = localToCameraMatrix * gl_Vertex;
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vertexPosCameraSpace = positionCameraSpace.xyz;
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// Compute the world surface normal
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vertexNormalCameraSpace = normalMatrix * gl_Normal;
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// Get the texture coordinates
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texCoords = gl_MultiTexCoord0.xy;
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// Compute the clip-space vertex coordinates
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gl_Position = projectionMatrix * positionCameraSpace;
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}
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