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The patch contains an implementation of the wide lines and the line stipple that is necessary for OpenGL upgrade.
For the implementation I have chosen the geometry shader because it required minimum changes for the wrapper calls and such implementation is the best for the "basic shader" architecture.
There are few shortcomings that can be corrected in future. They all are related to the fact that the lines in one strip are not connected with each other. So the stipple pattern is not continuous on the common vertex of two lines. There is also no continuity of form (each line is an independent rectangular).
But the advantage is that even outdated glBegin, glVertex work! Though with the above restrictions.
Continuity of form and stipple can be implemented with additional attributes, and it will require more changes in calls.
At the moment, the patch replaces calls for some "gestures". It works satisfactorily for "cross" or "rectangular" and not so good for "lasso" and "circle" due to the above-mentioned shortcomings.
Don't forget to set USE_GLSL to true for testing.
Alexander Romanov (Blend4Web Team)
Reviewers: merwin, brecht
Reviewed By: merwin, brecht
Subscribers: aligorith, Evgeny_Rodygin, AlexKowel, yurikovelenov
Differential Revision: https://developer.blender.org/D1880
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This is an attempt to fix report T47991.
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Latest nouveau drivers have a bug here, use occlusion queries.
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Seems to be a division by zero error.
Should be safe for an upcoming 'a' release.
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Minor optimization: Store the uniform interface of shaders instead of
re-querying every frame.
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This patch implements Mirror influence for environment textures. Approach matches the one from BI.
{F281871}
See the video https://youtu.be/BskgCv6dcIE
Example: {F281876}
Alexander (Blend4Web Team)
Reviewers: campbellbarton, merwin, brecht
Reviewed By: brecht
Subscribers: TwisterGE, blueprintrandom, youle, Evgeny_Rodygin, AlexKowel, yurikovelenov
Differential Revision: https://developer.blender.org/D1786
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Logical error in D1378, also incorrectly used lamp type as a flag.
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This patch adds a new `falloff_type` ('Inverse Coefficients') for Lamps in
Blender-Internal and GLSL.
The current falloff modes use a formula like this inverse-square one:
`I = E × (D^2 / (D^2 + Q × r^2))`
While such a formula is simple for 3D-artists to use, it's algebraically
cumbersome to work with. Game-designers authoring their own shaders
could benefit much more by having direct control of falloff-coefficients:
`I = E × (1.0 / (coefC + coefL × r + coefQ × r^2))`
In this mode, the `distance` parameter is unused (except for 'Sphere'
mode); instead relying on the designer to mathematically-model the
falloff-behavior.
The UI has been patched like so:
{F153843}
Reviewers: brecht, psy-fi
Reviewed By: psy-fi
Subscribers: brita_, antidote, campbellbarton, psy-fi
Differential Revision: https://developer.blender.org/D1194
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World space and view space normals were mixed up, we should only convert from
world to view space if a custom normal is connected, otherwise it is already in
view space.
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Flipped bindcode check in D1414 caused projection paint to always do full updates.
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Patch by Ralf Hölzemer.
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D1756 by @youle, uses existing texture mapping option.
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The issue was introduced by a fix for T44713 which only made GLSL
consistent with Cycles.
Now we do have conditional averaging or proper luma weighting based
on whether we're new old old shading system. Not totally ideal but
should work for until we re-design viewport possibly breaking how
Blender Internal does implicit conversion.
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This patch supports "Image or Movie" and "Environment map" types of world texture for the viewport.
It supports:
- "View", "AngMap" and "Equirectangular" types of mapping.
- Different types of texture blending (according to BI world render).
- Same color blending as when it lacked textures (but render via glsl).
{F207734}
{F207735}
Example: {F275180}
Original author: @valentin_b4w
Regards,
Alexander (Blend4Web Team).
Reviewers: sergey, valentin_b4w, brecht, merwin
Reviewed By: merwin
Subscribers: campbellbarton, merwin, blueprintrandom, youle, a.romanov, yurikovelenov, AlexKowel, Evgeny_Rodygin
Projects: #rendering, #opengl_gfx, #bf_blender:_next
Differential Revision: https://developer.blender.org/D1414
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The Vector Transform node is a useful node which is present in the Cycles renderer.
{F144283}
This patch implements the Vector Transform node for GLSL mode and the internal renderer.
Example: {F273060}
Alexander (Blend4Web Team)
Reviewers: brecht, campbellbarton, sergey
Reviewed By: campbellbarton, sergey
Subscribers: psy-fi, duarteframos, RobM, lightbwk, sergey, AlexKowel, valentin_b4w, Evgeny_Rodygin, yurikovelenov
Projects: #bf_blender:_next
Differential Revision: https://developer.blender.org/D909
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Wireframe drawing doesn’t use the following GL state, so don’t update
these:
- ShadeModel
- NormalPointer
- ColorPointer
Normal & color data are still uploaded as part of the interleaved VBO,
but those attributes are disabled for wireframe.
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This a list of OpenGL extensions used. Minus one thanks to
kevindietrich’s smoke work!
https://developer.blender.org/D1694
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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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This reverts commit 75cfc81ec39ac9953f25eb0ae5f9e70d3c24ee7e.
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I put all usage of GL_POINTS under the microscope. Fixed problems &
optimized a couple of spots.
- reduce calls to glPointSize by about 50%
- draw selected & unselected vertices together for UV editor & EditMesh
- draw initial gpencil stroke point the proper size
- a few other smaller fixes
New policy: each GL_POINTS draw call needs to set its desired point
size. This eliminates half our calls to glPointSize (setting it back to
its 1.0 default after every draw).
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Beside the obvious ARB -> GLSL change, the texture slicing algorithm had
to be rewritten.
Although this new algorithm has the same behaviour as the old one (view
aligned slicing), it works with an arbitrary number of slices (which
could eventually be set by the user), which means we can preallocate the
buffer. The previous algorithm would slice from the begining to the end
of the volume's bbox, and draw the slices as it generates them.
Also support for ARB program was removed.
Patch by myself, with some minor fixes by Brecht.
Reviewers: brecht, #opengl_gfx
Differential Revision: https://developer.blender.org/D1694
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This *should* be the last one in Blender creator. A few still live in
BGE.
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- tighter scoping
- declare vars closer to where they’re used
- use more bool
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- tighter scoping
- declare vars closer to where they’re used
- minor spacing cleanup
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Query max supported on init, use that to clamp user-set values.
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ARB_framebuffer_object works just like GL 3+ and is the preferred
method.
Fall back to older EXT_framebuffer_object if necessary.
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Removed reference to GL 1.x since we no longer support that. ES is
likely in our future though!
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This commit changes the way how we pass bounce information to the Light
Path node. Instead of manualy copying the bounces into ShaderData, we now
directly pass PathState. This reduces the arguments that we need to pass
around and also makes it easier to extend the feature.
This commit also exposes the Transmission Bounce Depth to the Light Path
node. It works similar to the Transparent Depth Output: Replace a
Transmission lightpath after X bounces with another shader, e.g a Diffuse
one. This can be used to avoid black surfaces, due to low amount of max
bounces.
Reviewed by Sergey and Brecht, thanks for some hlp with this.
I tested compilation and usage on CPU (SVM and OSL), CUDA, OpenCL Split
and Mega kernel. Hopefully this covers all devices. :)
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While SCons building system was serving us really good for ages it's no longer
having much attention by the developers and started to become quite a difficult
task to maintain.
What's even worse -- there started to be quite serious divergence between SCons
and CMake which was only accumulating over the releases now. The fact that none
of the active developers are really using SCons and that our main studio is also
using CMake spotting bugs in the SCons builds became quite a difficult task and
we aren't always spotting them in time.
Meanwhile CMake became really mature building system which is available on every
platform we support and arguably it's also easier and more robust to use.
This commit includes:
- Removal of actual SCons building system
- Removal of SCons git submodule
- Removal of documentation which is stored in the sources and covers SCons
- Tweaks to the buildbot master to stop using SCons submodule
(this change requires deploying to the server)
- Tweaks to the install dependencies script to skip installing or mentioning
SCons building system
- Tweaks to various helper scripts to avoid mention of SCons folders/files
as well
Reviewers: mont29, dingto, dfelinto, lukastoenne, lukasstockner97, brecht, Severin, merwin, aligorith, psy-fi, campbellbarton, juicyfruit
Reviewed By: campbellbarton, juicyfruit
Differential Revision: https://developer.blender.org/D1680
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nVidia Linux driver reports GL_CONTEXT_PROFILE_MASK = 0, which is a bug.
In that case check for the ARB_compatibility extension.
Non-buggy drivers will continue to use
GL_CONTEXT_COMPATIBILITY_PROFILE_BIT.
Thx to Dr Hackerman for reporting.
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Only used for color for now, but we need this for any kind of buffer
updates actually.
This should get rid of some allocation/deallocation, making
vertex painting a bit faster.
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bound before setting uniforms
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The is intended to replace the deprecated glPolygonStipple() calls with a shader
based alternative, once we switch over to GLSL shaders.
Reviewers: brecht
Differential Revision: https://developer.blender.org/D1688
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