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4a8385e3e8
Somewhere between the xray.shader and the xray_composite.shader the colors are stored as unsigned int. Since we want to count the integer number of faces behind a pixel in the red channel, we simply use a color with an r value of 1/255.
54 lines
1 KiB
GLSL
54 lines
1 KiB
GLSL
[shaders]
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vertex =
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uniform highp mat4 u_modelMatrix;
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uniform highp mat4 u_viewMatrix;
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uniform highp mat4 u_projectionMatrix;
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attribute highp vec4 a_vertex;
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void main()
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{
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gl_Position = u_projectionMatrix * u_viewMatrix * u_modelMatrix * a_vertex;
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}
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fragment =
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const lowp vec4 u_color = vec4(1.0 / 255.0, 0.0, 0.0, 1.0);
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void main()
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{
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gl_FragColor = u_color;
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}
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vertex41core =
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#version 410
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uniform highp mat4 u_modelMatrix;
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uniform highp mat4 u_viewMatrix;
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uniform highp mat4 u_projectionMatrix;
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in highp vec4 a_vertex;
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void main()
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{
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gl_Position = u_projectionMatrix * u_viewMatrix * u_modelMatrix * a_vertex;
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}
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fragment41core =
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#version 410
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const lowp vec4 u_color = vec4(1.0 / 255.0, 0.0, 0.0, 1.0);
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out vec4 frag_color;
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void main()
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{
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frag_color = u_color;
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}
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[defaults]
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[bindings]
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u_modelMatrix = model_matrix
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u_viewMatrix = view_matrix
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u_projectionMatrix = projection_matrix
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[attributes]
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a_vertex = vertex
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