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‎.gitignore

+12-8
Original file line numberDiff line numberDiff line change
@@ -22,21 +22,25 @@ Kore.dir/*
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Win32/*
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*/obj/*
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demos/MainGLFW/MainGLFW.dir/*
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demos/VoxelConeTracing/MainGLFW.dir/*
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demos/VoxelConeTracing/VoxelConeTracing.dir/*
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demos/VoxelConeTracing/obj/*
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KoRE.lib
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lib
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bin
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ext
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# Uncomment these lines to update master and then run
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# git rm -r --cached . and a commit afterwards.
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###################################################
33-
#*.sln
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#*.vcxproj
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#*.filters
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*.sln
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*.vcxproj
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*.filters
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# Comment theses lines below if you work on the voxel branch
38-
demos/VoxelConeTracing/*
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demos/VoxelConeTracing/src/*
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demos/VoxelConeTracing/*.user
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demos/VoxelConeTracing/*.dir
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Kore_Voxel.sln
42+
# demos/VoxelConeTracing/*
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# Kore_Voxel.sln
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# demos/VoxelConeTracing/*.user
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# demos/VoxelConeTracing/*.dir

‎assets/meshes/triangle.dae

+176
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@@ -0,0 +1,176 @@
1+
<?xml version="1.0" encoding="utf-8"?>
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<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
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<asset>
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<contributor>
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<author>Blender User</author>
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<authoring_tool>Blender 2.65.0 r53189</authoring_tool>
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</contributor>
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<created>2013-04-07T16:02:42</created>
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<modified>2013-04-07T16:02:42</modified>
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<unit name="meter" meter="1"/>
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<up_axis>Z_UP</up_axis>
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</asset>
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<library_cameras>
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<camera id="Camera-camera" name="Camera">
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<optics>
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<technique_common>
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<perspective>
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<xfov sid="xfov">49.13434</xfov>
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<aspect_ratio>1.777778</aspect_ratio>
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<znear sid="znear">0.1</znear>
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<zfar sid="zfar">100</zfar>
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</perspective>
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</technique_common>
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</optics>
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</camera>
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</library_cameras>
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<library_lights>
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<light id="Lamp-light" name="Lamp">
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<technique_common>
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<point>
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<color sid="color">1 1 1</color>
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<constant_attenuation>1</constant_attenuation>
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<linear_attenuation>0</linear_attenuation>
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<quadratic_attenuation>0.00111109</quadratic_attenuation>
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</point>
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</technique_common>
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<extra>
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<technique profile="blender">
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<adapt_thresh>0.000999987</adapt_thresh>
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<area_shape>1</area_shape>
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<area_size>0.1</area_size>
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<area_sizey>0.1</area_sizey>
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<area_sizez>1</area_sizez>
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<atm_distance_factor>1</atm_distance_factor>
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<atm_extinction_factor>1</atm_extinction_factor>
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<atm_turbidity>2</atm_turbidity>
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<att1>0</att1>
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<att2>1</att2>
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<backscattered_light>1</backscattered_light>
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<bias>1</bias>
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<blue>1</blue>
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<buffers>1</buffers>
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<bufflag>0</bufflag>
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<bufsize>2880</bufsize>
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<buftype>2</buftype>
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<clipend>30.002</clipend>
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<clipsta>1.000799</clipsta>
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<compressthresh>0.04999995</compressthresh>
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<dist sid="blender_dist">29.99998</dist>
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<energy sid="blender_energy">1</energy>
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<falloff_type>2</falloff_type>
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<filtertype>0</filtertype>
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<flag>0</flag>
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<gamma sid="blender_gamma">1</gamma>
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<green>1</green>
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<halo_intensity sid="blnder_halo_intensity">1</halo_intensity>
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<horizon_brightness>1</horizon_brightness>
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<mode>8192</mode>
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<ray_samp>1</ray_samp>
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<ray_samp_method>1</ray_samp_method>
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<ray_samp_type>0</ray_samp_type>
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<ray_sampy>1</ray_sampy>
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<ray_sampz>1</ray_sampz>
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<red>1</red>
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<samp>3</samp>
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<shadhalostep>0</shadhalostep>
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<shadow_b sid="blender_shadow_b">0</shadow_b>
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<shadow_g sid="blender_shadow_g">0</shadow_g>
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<shadow_r sid="blender_shadow_r">0</shadow_r>
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<shadspotsize>45</shadspotsize>
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<sky_colorspace>0</sky_colorspace>
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<sky_exposure>1</sky_exposure>
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<skyblendfac>1</skyblendfac>
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<skyblendtype>1</skyblendtype>
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<soft>3</soft>
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<spotblend>0.15</spotblend>
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<spotsize>75</spotsize>
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<spread>1</spread>
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<sun_brightness>1</sun_brightness>
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<sun_effect_type>0</sun_effect_type>
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<sun_intensity>1</sun_intensity>
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<sun_size>1</sun_size>
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<type>0</type>
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</technique>
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</extra>
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</light>
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</library_lights>
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<library_images/>
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<library_geometries>
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<geometry id="Plane-mesh" name="Plane">
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<mesh>
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<source id="Plane-mesh-positions">
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<float_array id="Plane-mesh-positions-array" count="9">1 -1 0 -1 -1 0 1 1 0</float_array>
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<technique_common>
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<accessor source="#Plane-mesh-positions-array" count="3" stride="3">
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<param name="X" type="float"/>
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<param name="Y" type="float"/>
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<param name="Z" type="float"/>
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</accessor>
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</technique_common>
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</source>
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<source id="Plane-mesh-normals">
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<float_array id="Plane-mesh-normals-array" count="3">0 0 1</float_array>
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<technique_common>
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<accessor source="#Plane-mesh-normals-array" count="1" stride="3">
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<param name="X" type="float"/>
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<param name="Y" type="float"/>
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<param name="Z" type="float"/>
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</accessor>
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</technique_common>
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</source>
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<source id="Plane-mesh-map-0">
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<float_array id="Plane-mesh-map-0-array" count="6">7.07007e-5 0.5 0.5 7.07007e-5 0.9999293 0.5</float_array>
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<technique_common>
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<accessor source="#Plane-mesh-map-0-array" count="3" stride="2">
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<param name="S" type="float"/>
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<param name="T" type="float"/>
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</accessor>
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</technique_common>
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</source>
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<vertices id="Plane-mesh-vertices">
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<input semantic="POSITION" source="#Plane-mesh-positions"/>
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</vertices>
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<polylist count="1">
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<input semantic="VERTEX" source="#Plane-mesh-vertices" offset="0"/>
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<input semantic="NORMAL" source="#Plane-mesh-normals" offset="1"/>
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<input semantic="TEXCOORD" source="#Plane-mesh-map-0" offset="2" set="0"/>
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<vcount>3 </vcount>
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<p>1 0 0 0 0 1 2 0 2</p>
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</polylist>
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</mesh>
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<extra><technique profile="MAYA"><double_sided>1</double_sided></technique></extra>
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</geometry>
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</library_geometries>
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<library_visual_scenes>
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<visual_scene id="Scene" name="Scene">
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<node id="Camera" name="Camera" type="NODE">
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<translate sid="location">7.481132 -6.50764 5.343665</translate>
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<rotate sid="rotationZ">0 0 1 46.69194</rotate>
150+
<rotate sid="rotationY">0 1 0 0.619768</rotate>
151+
<rotate sid="rotationX">1 0 0 63.5593</rotate>
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<scale sid="scale">1 1 1</scale>
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<instance_camera url="#Camera-camera"/>
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</node>
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<node id="Lamp" name="Lamp" type="NODE">
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<translate sid="location">4.076245 1.005454 5.903862</translate>
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<rotate sid="rotationZ">0 0 1 106.9363</rotate>
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<rotate sid="rotationY">0 1 0 3.163707</rotate>
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<rotate sid="rotationX">1 0 0 37.26105</rotate>
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<scale sid="scale">1 1 1</scale>
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<instance_light url="#Lamp-light"/>
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</node>
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<node id="Plane" name="Plane" type="NODE">
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<translate sid="location">0.07701468 0.3392411 0.4132721</translate>
165+
<rotate sid="rotationZ">0 0 1 -38.07144</rotate>
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<rotate sid="rotationY">0 1 0 39.22731</rotate>
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<rotate sid="rotationX">1 0 0 -51.08411</rotate>
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<scale sid="scale">1 1 1</scale>
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<instance_geometry url="#Plane-mesh"/>
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</node>
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</visual_scene>
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</library_visual_scenes>
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<scene>
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<instance_visual_scene url="#Scene"/>
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</scene>
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</COLLADA>

‎assets/shader/VoxelConeTracing/atomicCounter.frag ‎assets/shader/VoxelConeTracing/atomicCounterFrag.shader

+1-1
Original file line numberDiff line numberDiff line change
@@ -11,6 +11,6 @@ out vec4 color;
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void main() {
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uint counter = atomicCounterIncrement(atomicCounter);
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float r = float(counter) / (800.0 * 600.0);
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float r = float(counter) / (1280.0 * 720.0);
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color = vec4(r, 0, 0, 1);
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}

‎assets/shader/VoxelConeTracing/cubeVert.shader

+20
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,20 @@
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#version 420
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layout(location = 0) in vec3 v_position;
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uniform mat4 modelWorld;
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uniform mat4 view;
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uniform mat4 proj;
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smooth out vec3 posWS;
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flat out vec3 cubeCenter;
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flat out float sideLengthHalf;
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void main() {
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posWS = (modelWorld * vec4(v_position, 1.0)).xyz;
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cubeCenter = vec3(modelWorld[3][0], modelWorld[3][1], modelWorld[3][2]);
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sideLengthHalf = abs(v_position.x);
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gl_Position = proj * view * vec4(posWS, 1.0);
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}

‎assets/shader/VoxelConeTracing/cubeVolumeVert.shader

+16
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,16 @@
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#version 420
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layout(location = 0) in vec3 v_position;
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uniform mat4 modelWorld;
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uniform mat4 view;
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uniform mat4 proj;
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out VertexData {
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vec3 posWS;
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} Out;
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void main() {
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Out.posWS = (modelWorld * vec4(v_position, 1.0)).xyz;
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gl_Position = proj * view * vec4(Out.posWS, 1.0);
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}

‎assets/shader/VoxelConeTracing/cubeVolume_sample3DtexFrag.shader

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,24 @@
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/*
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Awaits the inputs of a Cube-vertex shader
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*/
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#version 420
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in VertexData {
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vec3 posWS;
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} In;
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out vec4 color;
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layout(rgba8) uniform coherent image3D voxelTex;
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void main() {
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// Apply a very small offset here so we fall into the correct voxel coordinates.
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ivec3 samplePos = ivec3(floor(In.posWS) - vec3(0.0001, 0.0001, 0.0001) );
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color = imageLoad(voxelTex, samplePos);
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/* if (color.r < 0.01) {
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discard;
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} */
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}

‎assets/shader/VoxelConeTracing/cube_sample3DtexFrag.shader

+16
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,16 @@
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/*
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Awaits the inputs of a Cube-vertex shader
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*/
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#version 420
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smooth in vec3 posWS;
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flat in vec3 cubeCenter;
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flat in float sideLengthHalf;
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out vec4 color;
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void main() {
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float distanceFactor = length(posWS - cubeCenter);
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color = vec4(1.0f, 0.0f, 0.0f, 1.0f) / (distanceFactor + sideLengthHalf);
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}

‎assets/shader/VoxelConeTracing/fullscreenQuad_simple.vert ‎assets/shader/VoxelConeTracing/fullscreenQuad_simpleVert.shader

File renamed without changes.

‎assets/shader/VoxelConeTracing/imageLoad.frag ‎assets/shader/VoxelConeTracing/imageLoadFrag.shader

File renamed without changes.

‎assets/shader/VoxelConeTracing/imageStore.frag ‎assets/shader/VoxelConeTracing/imageStoreFrag.shader

+1-1
Original file line numberDiff line numberDiff line change
@@ -14,4 +14,4 @@ void main() {
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imageStore(image, coords, vec4(1.0f, 0.0f, 0.0f, 0.0f));
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color = vec4(0.0, 0.0, 0.0, 0.0);
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}
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}

‎assets/shader/VoxelConeTracing/voxelizeFrag.shader

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@@ -0,0 +1,59 @@
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/*
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Copyright (c) 2012 The VCT Project
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This file is part of VoxelConeTracing and is an implementation of
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"Interactive Indirect Illumination Using Voxel Cone Tracing" by Crassin et al
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VoxelConeTracing is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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VoxelConeTracing is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with VoxelConeTracing. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*!
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* \author Dominik Lazarek ([email protected])
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* \author Andreas Weinmann ([email protected])
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*/
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#version 420
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layout(rgba8) uniform coherent image3D voxelTex;
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in VertexData {
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vec3 posVoxelGrid;
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vec3 normal;
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vec2 uv;
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} In;
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out vec4 color;
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void main() {
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//imageStore(voxelTex, ivec3(5, 5, 5), vec4(1.0, 0.0, 0.0, 1.0));
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//memoryBarrier();
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/*for (int z = 0; z < 12; ++z) {
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for(int y = 0; y < 12; ++y) {
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for( int x = 0; x < 12; ++x) {
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imageStore(voxelTex, ivec3(x, y, z), vec4(1.0, 0.0, 0.0, 1.0));
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memoryBarrier();
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}
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}
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} */
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//(TODO) Determine depth range
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ivec3 voxelPos = ivec3(In.posVoxelGrid);
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imageStore(voxelTex, voxelPos, vec4(1.0, 0.0, 0.0, 1.0));
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memoryBarrier();
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//imageStore(voxelTex, ivec3(5, 5, 5), vec4(1.0, 0.0, 0.0, 1.0));
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}

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