/*

     File: character.vsh

 Abstract: The vertex shader for character rendering.

  Version: 1.8

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 */

#ifdef GL_ES

precision highp float;

#endif

// Declare our modelViewProjection matrix that we'll compute

//  outside the shader and set each frame

uniform mat4 modelViewProjectionMatrix;

// Declare inputs and outputs

// inPosition : Position attributes from the VAO/VBOs

// inTexcoord : Texcoord attributes from the VAO/VBOs

// varTexcoord : TexCoord we'll pass to the rasterizer

// gl_Position : implicitly declared in all vertex shaders. Clip space position

//               passed to rasterizer used to build the triangles

#if __VERSION__ >= 140

in vec4  inPosition;  

in vec2  inTexcoord;

out vec2 varTexcoord;

#else

attribute vec4 inPosition;  

attribute vec2 inTexcoord;

varying vec2 varTexcoord;

#endif

void main (void) 

{

    // Transform the vertex by the model view projection matrix so

    // the polygon shows up in the right place

    gl_Position = modelViewProjectionMatrix * inPosition;

    // Pass the unmodified texture coordinate from the vertex buffer

    // directly down to the rasterizer.

    varTexcoord = inTexcoord;

}