Tleety
43 lines
866 B
GLSL
Executable File
43 lines
866 B
GLSL
Executable File
#version 430
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layout (binding=0) uniform sampler2D DiffuseTexture;
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layout (binding=1) uniform sampler2D ShadowTexture;
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in VertexData
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{
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vec3 Position;
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vec3 Normal;
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vec2 TextureCoord;
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vec4 ShadowCoord;
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} Input;
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out vec4 frag_Diffuse;
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out vec4 frag_Position;
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out vec4 frag_Normal;
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float Shadow(vec4 ShadowCoord)
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{
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//float cosTheta = clamp(dot(Input.Normal, 1.0), 0.0, 1.0);
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float bias = 0.0005; // cosTheta is dot( n,l ), clamped between 0 and 1
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bias = clamp(bias, 0.0, 0.01);
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if( texture(ShadowTexture, Input.ShadowCoord.xy).z < ShadowCoord.z - bias)
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{
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return 0.3;
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}
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else
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{
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return 1.0;
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}
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}
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void main()
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{
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// Diffuse Texture
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frag_Diffuse = texture(DiffuseTexture, Input.TextureCoord) * Shadow(Input.ShadowCoord);
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// G-buffer Position
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frag_Position = vec4(Input.Position.xyz, 1.0);
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// G-buffer Normal
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frag_Normal = vec4(Input.Normal, 0.0);
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} |