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48 lines
1.8 KiB
GLSL
48 lines
1.8 KiB
GLSL
//-----------------------------------------------------------------------------
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// Product: OpenCTM tools
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// File: phong.vert
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// Description: GLSL per-pixel phong shader - vertex shader
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//-----------------------------------------------------------------------------
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// Copyright (c) 2009-2010 Marcus Geelnard
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the 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
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// claim that you wrote the original software. If you use this software
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// in a 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
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// be 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
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// distribution.
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//-----------------------------------------------------------------------------
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varying vec3 vNormal;
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varying vec3 vPos;
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varying vec4 vColor;
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void main()
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{
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// Vertex normal
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vNormal = normalize(gl_NormalMatrix * gl_Normal);
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// Vertex position in eye coordinates
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vPos = vec3(gl_ModelViewMatrix * gl_Vertex);
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// Vertex color (used for the ambient and diffuse terms)
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vColor = gl_Color;
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// Texture coordinate
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gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
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// Vertex position in screen coordinates
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gl_Position = ftransform();
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}
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