48 lines
961 B
GLSL
48 lines
961 B
GLSL
// vert //
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flat out uint object_flags;
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out float distance;
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out vec4 pos;
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void main(void) {
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object_flags = qgl_ObjectFlags;
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if (bitfieldExtract(object_flags, 2, 1) == 0)
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return;
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qgl_MaterialIndex = qgl_Material;
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qgl_FragTexture = qgl_getFragTexture();
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pos = qgl_ftransform();
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gl_Position = pos;
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}
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// frag //
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flat in uint object_flags;
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in float distance;
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in vec4 pos;
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float z_near = 0.1f;
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const float _pe = 2.4e-7;
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void main(void) {
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if (bitfieldExtract(object_flags, 2, 1) == 0)
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discard;
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vec4 diffuse = qgl_materialTexture(QGL_MAP_DIFFUSE, qgl_FragTexture.xy, vec4(0.f));
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if(diffuse.a < 0.5f)
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discard;
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//float z = gl_FragCoord.z;
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//z = z + z - 1;
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//z = ((_pe - 2.) * z_near) / (z + z + _pe - 2.); // infinite depth
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#ifdef OMNI
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float z = length(pos.xyz);
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#else
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float z = pos.z;
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#endif
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z = 1.f - 1.f / (z - z_near + 1.f);
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gl_FragDepth = z;
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qgl_FragData[0].r = z;
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//qgl_FragData[0].r = length(vec3(pos.xy, z));//1/gl_FragCoord.w;
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}
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