openclonk/planet/Graphics.ocg/LandscapeVertexShader.glsl

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953 B
GLSL

/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 2015, The OpenClonk Team and contributors
*
* Distributed under the terms of the ISC license; see accompanying file
* "COPYING" for details.
*
* "Clonk" is a registered trademark of Matthes Bender, used with permission.
* See accompanying file "TRADEMARK" for details.
*
* To redistribute this file separately, substitute the full license texts
* for the above references.
*/
// Default Vertex Shader for the landscape.
in vec2 oc_Position;
in vec2 oc_LandscapeTexCoord;
in vec2 oc_LightTexCoord;
out vec2 landscapeTexCoord;
#ifdef OC_DYNAMIC_LIGHT
out vec2 lightTexCoord;
#endif
uniform mat4 projectionMatrix;
slice(position)
{
// model-view matrix is always the identity matrix
gl_Position = projectionMatrix * vec4(oc_Position, 0.0, 1.0);
}
slice(texcoord)
{
landscapeTexCoord = oc_LandscapeTexCoord;
#ifdef OC_DYNAMIC_LIGHT
lightTexCoord = oc_LightTexCoord;
#endif
}