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Germano Cavalcante 001f7c92d1 BLF: Optimize text rendering and caching 
The current code allocates and transfers a lot of memory to the GPU,
but only a small portion of this memory is actually used.
In addition, the code calls many costly gl operations during the
caching process.

This commit significantly reduce the amount of memory by allocating
and transferring a flat array without pads to the GPU.
It also calls as little as possible the gl operations during the cache.

This code also simulate a billinear filter `GL_LINEAR` using a 1D texture.

**Average drawing time:**
|before:|0.00003184 sec
|now:|0.00001943 sec
|fac:|1.6385156675048407

**5 worst times:**
|before:|[0.001075, 0.001433, 0.002143, 0.002915, 0.003242]
|now:|[0.00094, 0.000993, 0.001502, 0.002284, 0.002328]

Differential Revision: https://developer.blender.org/D6886
2020-02-24 08:01:22 -03:00
..
alembic
Cleanup: Alembic, split source files into reader and writer
2020-02-17 11:50:28 +01:00
avi
Cleanup: declatatuons for functions that don't exist
2020-02-20 11:22:14 +11:00
blendthumb
Cleanup: expand tabs
2019-09-10 00:04:02 +10:00
blenfont
BLF: Optimize text rendering and caching
2020-02-24 08:01:22 -03:00
blenkernel
Fluid: Cleanup in cache delete function
2020-02-21 15:30:52 +01:00
blenlib
UI: Windows File Attributes and Hidden Items
2020-02-21 08:20:58 -08:00
blenloader
Fix some issues with versionning of older files.
2020-02-20 11:37:03 +01:00
blentranslation
CMake: Refactor external dependencies handling
2020-01-23 16:59:18 +01:00
bmesh
Fix missing error message on convex hull failure
2020-02-20 12:21:05 +11:00
collada
Cleanup: declatatuons for functions that don't exist
2020-02-20 11:22:14 +11:00
compositor
Merge branch 'blender-v2.82-release'
2020-02-06 10:25:16 +01:00
datatoc
Cleanup: Mark large arrays of of constant data as const.
2019-08-04 14:24:29 -06:00
depsgraph
Fix T73593: Drivers on hide_viewport and hide_render are unreliable
2020-02-21 16:57:13 +01:00
draw
Overlay: Edit Mode: Fix wireframes being brighter because of linear blend
2020-02-24 00:00:35 +01:00
editors
Fix crash when open default template
2020-02-22 16:20:08 +01:00
freestyle
Cleanup: remove use of 'register'
2020-02-20 12:21:05 +11:00
gpencil_modifiers
Cleanup/refactor: Rename BKE_library files to BKE_lib.
2020-02-10 13:00:42 +01:00
gpu
BLF: Optimize text rendering and caching
2020-02-24 08:01:22 -03:00
ikplugin
Cleanup: unused BIK_api struct & defines
2020-02-15 15:24:02 +11:00
imbuf
Cleanup: remove use of 'register'
2020-02-20 12:21:05 +11:00
makesdna
UI: Windows File Attributes and Hidden Items
2020-02-21 08:20:58 -08:00
makesrna
Cleanup: remove unused ScreenAnimData.refresh
2020-02-22 03:00:47 +11:00
modifiers
Modifiers: Refactor Mask modifier
2020-02-20 10:05:47 +01:00
nodes
EEVEE: Render Passes
2020-02-21 11:13:43 +01:00
physics
Fix OBJECT_GUARDED_FREE compiler error when type is in namespace
2020-01-27 12:22:01 +01:00
python
Fix ushort compiler errors in Windows
2020-02-20 10:28:32 +01:00
render
EEVEE: Render Passes
2020-02-21 11:13:43 +01:00
shader_fx
Cleanup/refactor: Rename BKE_library files to BKE_lib.
2020-02-10 13:00:42 +01:00
usd
Fix missed include update in recent BKE_library renaming.
2020-02-10 14:21:34 +01:00
windowmanager
Cleanup: un-indent ED_screen_set_active_region
2020-02-22 02:43:37 +11:00
CMakeLists.txt
Cleanup: sort file lists
2019-12-17 10:07:44 +11:00