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IDProjectCategoryView StatusDate SubmittedLast Update
0032039Open CASCADE[OCCT] OCCT:Visualizationpublic2021-01-04 12:002021-01-19 22:38
Reporterkgv 
Assigned Tobugmaster 
PrioritynormalSeverityfeature 
StatusverifiedResolutionfixed 
PlatformOSOS Version
Product Version 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0032039: Visualization, TKOpenGl - implement simple shadow mapping for a direct light source
DescriptionIt is proposed extending real-time renderer with basic shadow mapping capabilities - as a first step implementation could be limited to a single directional light source.
TagsNo tags attached.
Test case numberv3d/shadows/buggy,dir1,dir2,dirhead
Attached Filespng file icon buggy_raytrace.png (35,965 bytes) 2021-01-10 04:31
png file icon buggy_phong.png (34,057 bytes) 2021-01-10 04:32
png file icon buggy_pbr.png (34,372 bytes) 2021-01-10 04:32

- Relationships
parent of 0032067verifiedbugmaster Visualization, TKOpenGl - shadowmap GLSL compilation error on WebGL 3.0 
child of 0031646newiko Visualization - shadow mapping within real-time renderer 

-  Notes
(0098023)
git (administrator)
2021-01-09 23:38

 Branch CR32039 has been created by kgv.

SHA-1: dcd21d48b4495214aff20161514a062f72eb1d95


Detailed log of new commits:

Author: kgv
Date: Mon Jan 4 12:17:44 2021 +0300

    0032039: Visualization, TKOpenGl - implement simple shadow mapping for a direct light source
    
    Graphic3d_CLight::ToCastShadows() - added new property defining if light should cast shadows (ignored by Ray-Tracing).
    
    OpenGl_ShaderManager::stdComputeLighting() now implements shadow mapping for directional lights.
    OpenGl_ShaderManager::prepareGeomMainSrc() now handles copying of arrays.
    OpenGl_Context::ShadowMapTexUnit() - added property defining an offset for shadow map texture units.
    OpenGl_ShadowMap - added new class storing shadow map FBO with parameters.
    OpenGl_View::prepareFrameBuffers() - added resizing of shadow map FBOs.
    OpenGl_View::Redraw() - added section redrawing scene into shadow map FBOs via OpenGl_View::renderShadowMap() method.
    
    vrenderparams - added new parameters -shadowMapResolution and -shadowMapBias.
(0098033)
git (administrator)
2021-01-10 02:32

 Branch CR32039 has been updated forcibly by kgv.

SHA-1: a2415614578d62eafa019fc12c2117bcc301dff2
(0098037)
kgv (developer)
2021-01-10 04:27

 Patch is ready for review
- OCCT branch: CR32039.

http://jenkins-test-12.nnov.opencascade.com/view/CR32039-master-KGV/ [^]
(0098089)
osa (developer)
2021-01-12 14:37

 The patch was reviewed
(0098090)
kgv (developer)
2021-01-12 14:43

 Please use branch CR32039_1 for integration.
(0098148)
bugmaster (administrator)
2021-01-16 13:30

 Combination -
OCCT branch : IR-2021-01-15
master SHA - 6fab0b34288ef3f29ecf4eabc0283540460dbc31
a206de37fbfa0bf71bd534ae47192bbec23b8522
Products branch : IR-2021-01-15 SHA - a8521c25e41405ac279e65e1fcde5de75a344b0b
was compiled on Linux, MacOS and Windows platforms and tested in optimize mode.

Number of compiler warnings:
No new/fixed warnings

Regressions/Differences/Improvements:
No regressions/differences

CPU differences:
Debian80-64:
OCCT
Total CPU difference: 17754.160000000134 / 17720.07000000011 [+0.19%]
Products
Total CPU difference: 12412.630000000105 / 12419.360000000095 [-0.05%]
Windows-64-VC14:
OCCT
Total CPU difference: 19336.3125 / 19330.015625 [+0.03%]
Products
Total CPU difference: 13740.03125 / 13831.828125 [-0.66%]


Image differences :
No differences that require special attention

Memory differences :
No differences that require special attention

- Related Changesets
occt: master d84e8669
Timestamp: 2021-01-04 09:17:44
Author: kgv
Committer: bugmaster
[ Details ] [ Diff ] 		0032039: Visualization, TKOpenGl - implement simple shadow mapping for a direct light source

Graphic3d_CLight::ToCastShadows() - added new property defining if light should cast shadows (ignored by Ray-Tracing).

OpenGl_ShaderManager::stdComputeLighting() now implements shadow mapping for directional lights.
OpenGl_ShaderManager::prepareGeomMainSrc() now handles copying of arrays.
OpenGl_Context::ShadowMapTexUnit() - added property defining an offset for shadow map texture units.
OpenGl_ShadowMap - added new class storing shadow map FBO with parameters.
OpenGl_View::prepareFrameBuffers() - added resizing of shadow map FBOs.
OpenGl_View::Redraw() - added section redrawing scene into shadow map FBOs via OpenGl_View::renderShadowMap() method.

vrenderparams - added new parameters -shadowMapResolution and -shadowMapBias.
mod - src/Graphic3d/Graphic3d_CLight.cxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_CLight.hxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_LightSet.cxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_LightSet.hxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_RenderingParams.hxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_ShaderProgram.cxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_ShaderProgram.hxx [ Diff ] [ File ]
mod - src/Graphic3d/Graphic3d_TextureUnit.hxx [ Diff ] [ File ]
mod - src/OpenGl/FILES [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_Context.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_Context.hxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_FrameBuffer.hxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_FrameStats.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_LayerList.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_ShaderManager.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_ShaderManager.hxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_ShaderProgram.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_ShaderProgram.hxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_ShaderStates.hxx [ Diff ] [ File ]
add - src/OpenGl/OpenGl_ShadowMap.cxx [ Diff ] [ File ]
add - src/OpenGl/OpenGl_ShadowMap.hxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_Structure.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_View.cxx [ Diff ] [ File ]
mod - src/OpenGl/OpenGl_View.hxx [ Diff ] [ File ]
add - src/Shaders/DirectionalLightShadow.glsl [ Diff ] [ File ]
mod - src/Shaders/FILES [ Diff ] [ File ]
add - src/Shaders/Shaders_DirectionalLightShadow_glsl.pxx [ Diff ] [ File ]
mod - src/ViewerTest/ViewerTest_ViewerCommands.cxx [ Diff ] [ File ]
mod - tests/v3d/grids.list [ Diff ] [ File ]
add - tests/v3d/shadows/buggy [ Diff ] [ File ]
add - tests/v3d/shadows/dir1 [ Diff ] [ File ]
add - tests/v3d/shadows/dir2 [ Diff ] [ File ]
add - tests/v3d/shadows/dirhead [ Diff ] [ File ]

- Issue History
Date Modified Username Field Change
2021-01-04 12:00 kgv New Issue
2021-01-04 12:00 kgv Assigned To => kgv
2021-01-04 12:01 kgv Relationship added child of 0031646
2021-01-09 23:38 git Note Added: 0098023
2021-01-10 02:32 git Note Added: 0098033
2021-01-10 04:27 kgv Note Added: 0098037
2021-01-10 04:27 kgv Assigned To kgv => osa
2021-01-10 04:27 kgv Status new => resolved
2021-01-10 04:31 kgv File Added: buggy_raytrace.png
2021-01-10 04:32 kgv File Added: buggy_phong.png
2021-01-10 04:32 kgv File Added: buggy_pbr.png
2021-01-12 14:37 osa Note Added: 0098089
2021-01-12 14:37 osa Assigned To osa => bugmaster
2021-01-12 14:37 osa Status resolved => reviewed
2021-01-12 14:43 kgv Note Added: 0098090
2021-01-16 13:30 bugmaster Note Added: 0098148
2021-01-16 13:30 bugmaster Status reviewed => tested
2021-01-16 13:52 bugmaster Test case number => v3d/shadows/buggy,dir1,dir2,dirhead
2021-01-16 14:12 bugmaster Changeset attached => occt master d84e8669
2021-01-16 14:12 bugmaster Status tested => verified
2021-01-16 14:12 bugmaster Resolution open => fixed
2021-01-19 22:38 kgv Relationship added parent of 0032067

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