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This patch adds a new API which allow us to access light shadow settings from python. The new API can be used to write custom GLSL materials with shadows.
Reviewers: brecht, kupoman, agoose77, panzergame, campbellbarton, moguri, hg1
Reviewed By: agoose77, panzergame, campbellbarton, moguri, hg1
Projects: #game_engine
Differential Revision: https://developer.blender.org/D1690
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Making the reference argument optional for the addObject function.
```
scene.addObject("Cube")
```
This allows to keep the rotation, scale and position of the original object.
To avoid layer problems with lights if the reference arguments is None, the new object have the same layer than the active layers in scene.
Reviewers: lordloki, moguri, hg1, sybren
Reviewed By: hg1, sybren
Subscribers: agoose77
Projects: #game_engine
Differential Revision: https://developer.blender.org/D1222
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The layers in Blender are using a bit field for the 20 layers. The light layer value was limited to 20, so the highest usable light layer was five.
The patch modify the range and add layer out of range error messages.
Reviewers: sybren, hg1, moguri
Reviewed By: hg1, moguri
Projects: #game_engine
Differential Revision: https://developer.blender.org/D1238
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Reviewers: dfelinto
Subscribers: thatonejonguy
Projects: #game_engine
Differential Revision: https://developer.blender.org/D689
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The ultimate goal is to only allow the rasterizer to handle OpenGL and bf_gpu
calls. This commit creates a RAS_ILightObject interface and a RAS_OpenGLLight
implementation.
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LibLoaded lights.
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This patch changes most of the reamining degrees usage in internal code into radians.
I let a few which I know off asside, for reasons explained below - and I'm not sure to have found out all of them.
WARNING: this introduces forward incompatibility, which means files saved from this version won't open 100% correctly
in previous versions (a few angle properties would use radians values as degrees...).
Details:
- Data:
-- Lamp.spotsize: Game engine exposed this setting in degrees, to not break the API here I kept it as such
(using getter/setter functions), still using radians internally.
-- Mesh.smoothresh: Didn't touch to this one, as we will hopefully replace it completely by loop normals currently in dev.
- Modifiers:
-- EdgeSplitModifierData.split_angle, BevelModifierData.bevel_angle: Done.
- Postprocessing:
-- WipeVars.angle (sequencer's effect), NodeBokehImage.angle, NodeBoxMask.rotation, NodeEllipseMask.rotation: Done.
- BGE:
-- bConstraintActuator: Orientation type done (the minloc[0] & maxloc[0] cases). Did not touch to 'limit location' type,
it can also limit rotation, but it exposes through RNA the same limit_min/limit_max, which hence
can be either distance or angle values, depending on the mode. Will leave this to BGE team.
-- bSoundActuator.cone_outer_angle_3d, bSoundActuator.cone_inner_angle_3d: Done (note I kept degrees in BGE itself,
as it seems this is the expected value here...).
-- bRadarSensor.angle: Done.
Reviewers: brecht, campbellbarton, sergey, gaiaclary, dfelinto, moguri, jbakker, lukastoenne, howardt
Reviewed By: brecht, campbellbarton, sergey, gaiaclary, moguri, jbakker, lukastoenne, howardt
Thanks to all!
Differential Revision: http://developer.blender.org/D59
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functionality to RAS_IRasterizer. RAS_OpenGLRasterizer is a bit of a mess now with references to Ketsji and other modules it shouldn't be accessing.
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Any GLSL materials loaded after lights are LibLoaded will now use the lights in
heir shaders. This includes materials loaded from the same scene as the LibLoaded
lights. We could later add a new flag to LibLoad to recompile all existing shaders,
but this commit should offer a lot more flexibility as is.
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not work in the viewport nor do they work for Variance shadow maps.
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the viewport when handling shadow buffers. KX_LightObject::BindShadowBuffer() now updates the canvas with the new viewport information from bf_gpu.
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- PyLong_FromSsize_t --> PyLong_FromLong
- PyLong_AsSsize_t --> PyLong_AsLong
In all places except for those where python api expects PySsize_t (index lookups mainly).
- use PyBool_FromLong in a few areas of the BGE.
- fix incorrect assumption in the BGE that PySequence_Check() means PySequence_Fast_ functions can be used.
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also left bmesh decimator on in previous commit.
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- building without python works again
- rename maxi/mini to i_max/i_min (so thay are available for function names)
- some minor edits to IK stretch setting (no functional changes).
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to Daniel Stokes). This means the following KX_LightObject properties now have support when using GLSL materials (in addition to those already supported):
* distance
* lin_attenuation
* quad_attenuation
* spotsize
* spotblend
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* Shadow color now usable in the BGE
* Simplified the shadow panel while "Blender Game" renderer is active
* Added variance shadow maps for the BGE
* Buffered shadows on sun lamps in the BGE (orthographic)
* Light textures in the BGE
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http://markmail.org/message/fp7ozcywxum3ar7n
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- fixed bug in paste material, exposed by stricter warnings.
- removed/renamed various shadowed vars.
- removed BGE lamp.colour, only allow lamp.color attribute.
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- ignore MSVC warnings when FREE_WINDOWS is defined to quiet warnings.
- the CMake flags were not being set correctly making blender have weirdo colors (no -funsigned-char).
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124-126 but isnt used by any build systems now.
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- collada export would run MEM_freeN on an un-initialized pointer in some cases.
- makesrna was missing a call to close a file.
- text cursor update function was missing a NULL check for st->text.
- possible (unlikely) un-initialized return value for bge python lamp.type, set error instead.
- possible (unlikely) missing NULL terminator with strncpy for ffmpeg.
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and scons)
when python is disabled videotextures are not built.
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define extra functions on gameObjects.
Adding a UI to set the type on startup can be added easily.
# ----
class myPlayer(GameTypes.KX_GameObject):
def die(self):
# ... do stuff ...
self.endObject()
# make an instance
player = myPlayer(gameOb) # gameOb is made invalid now.
player.die()
# ----
One limitation (which could also be an advantage), is making the subclass instance will return that subclass everywhere, you cant have 2 different subclasses of the same BGE data at once.
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Remove the last of the odd C++/python wrapper code from http://www.python.org/doc/PyCPP.html (~1998)
* Use python subclasses rather then having fake subclassing through get/set attributes calling parent types.
* PyObject getset arrays are created while initializing the types, converted from our own attribute arrays. This way python deals with subclasses and we dont have to define getattro or setattro functions for each type.
* GameObjects and Scenes no longer have attribute access to properties. only dictionary style access - ob['prop']
* remove each class's get/set/dir functions.
* remove isA() methods, can use PyObject_TypeCheck() in C and issubclass() in python.
* remove Parents[] array for each C++ class, was only used for isA() and wasnt correct in quite a few cases.
* remove PyTypeObject that was being passed as the last argument to each class (the parent classes too).
TODO -
* Light and VertexProxy need to be converted to using attributes.
* memory for getset arrays is never freed, not that bad since its will only allocates once.
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python)
eg.
if 'prop' in gameOb: ...
if 'GameOb' in sce.objects: ...
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anymore, missing matrix update. Also move some code to KX_LightObject
to avoid duplication with player.
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in fact I redid part of the last "fix", making it working properly now.
Before we were changing Lamp->la . This is the Blender Lamp, we shouldn't touch it.
So this part of the code is correct now.
Things that could be tackled:
- color attribute is returning negative values when NEGATIVE is toggled
- objects with no material (default gray one) still don't support lamp spots (not spot lamp but the spot of the lamps)
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use PY_SET_ATTR_FAIL and PY_SET_ATTR_SUCCESS return values so the fake subclassing can know if a value failed to be set or if it was missing from the type. (with PY_SET_ATTR_MISSING)
Also noticed some other mistakes.
- KX_LightObject, setting the type didnt check for an int.
- KX_SoundActuator, didnt return an error when assigning an invalid orientation value
- KX_GameObject, worldOrientation didnt return an error value.
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[#18701] Issues with camera.pointInsideFrustum method
- note in docs that the projection matrix is not correct for first logic tick.
Renamed...
KX_Camera.isViewport -> KX_Camera.useViewport
KX_Lamp.quat_attenuation -> KX_Lamp.quad_attenuation
Deprecated KX_Camera.getProjectionMatrix(), KX_Camera.setProjectionMatrix() for projection_matrix attr
Added most missing docs reported by the doc-checker script
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patch from dfelinto and moguri, thanks for the good work.
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This commit extend the technique of dynamic linked list to the mesh
slots so as to eliminate dumb scan or map lookup. It provides massive
performance improvement in the culling and in the rasterizer when
the majority of objects are static.
Other improvements:
- Compute the opengl matrix only for objects that are visible.
- Simplify hash function for GEN_HasedPtr
- Scan light list instead of general object list to render shadows
- Remove redundant opengl calls to set specularity, shinyness and diffuse
between each mesh slots.
- Cache GPU material to avoid frequent call to GPU_material_from_blender
- Only set once the fixed elements of mesh slot
- Use more inline function
The following table shows the performance increase between 2.48, 1st round
and this round of improvement. The test was done with a scene containing
40000 objects, of which 1000 are in the view frustrum approximately. The
object are simple textured cube to make sure the GPU is not the bottleneck.
As some of the rasterizer processing time has moved under culling, I present
the sum of scenegraph(includes culling)+rasterizer time
Scenegraph+rasterizer(ms) 2.48 1st round 3rd round
All objects static, 323.0 86.0 7.2
all visible, 1000 in
the view frustrum
All objects static, 219.0 49.7 N/A(*)
all invisible.
All objects moving, 323.0 105.6 34.7
all visible, 1000 in
the view frustrum
Scene destruction 40min 40min 4s
(*) : this time is not representative because the frame rate was at 60fps.
In that case, the GPU holds down the GE by frame sync. By design, the
overhead of the rasterizer is 0 when the the objects are invisible.
This table shows a global speed up between 9x and 45x compared to 2.48a
for scenegraph, culling and rasterizer overhead. The speed up goes much
higher when objects are invisible.
An additional 2-4x speed up is possible in the scenegraph by upgrading
the Moto library to use Eigen2 BLAS library instead of C++ classes but
the scenegraph is already so fast that it is not a priority right now.
Next speed up in logic: many things to do there...
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