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adjust vertex shaded to pass information to fragment shaded for light

This commit is contained in:
C-Fu 2017-01-17 11:15:30 +01:00
parent 47c73ed881
commit 9b3ff7f737
1 changed files with 5 additions and 1 deletions
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6
QtMeshViewer/Resources/vshader.glsl
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@ -13,13 +13,17 @@ attribute vec2 a_texcoord;
attribute vec3 a_normal; attribute vec3 a_normal;
varying vec2 v_texcoord; varying vec2 v_texcoord;
varying vec4 v_position;
varying vec3 v_normal;
void main() void main()
{ {
// Calculate vertex position in screen space // Calculate vertex position in screen space
gl_Position = vp_matrix * norm_matrix * m_matrix * a_position; gl_Position = vp_matrix * norm_matrix * m_matrix * a_position;
// Pass texture coordinate to fragment shader // Pass data to fragment shader
// Value will be automatically interpolated to fragments inside polygon faces // Value will be automatically interpolated to fragments inside polygon faces
v_texcoord = a_texcoord; v_texcoord = a_texcoord;
v_position = a_position;
v_normal = a_normal;
} }