Kovid Goyal
444d9536a7
Graphics programs should generate pre-multipled colors in interleaved mode
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Also fix a few OpenGL state initialization issues.
2017-12-01 12:16:15 +05:30
Kovid Goyal
66803e6873
Workaround to get graphics working on Apple's buggy products
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Apparently some macOS OpenGL drivers cannot handle using a VAO with
attributes that have different divisors/apply to different shaders. So
use a separate VAO for graphics rendering. This is a small performance hit,
but is the price of supporting substandard computers.
2017-10-17 12:15:52 +05:30
Kovid Goyal
e679fa9a1c
Possible fix for #141
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Presumably on older macOS versions the Apple OpenGL drivers cannot handle both
non-sequential and non-zero based binding locations. Sigh.
2017-10-16 18:39:49 +05:30
Kovid Goyal
3f8b2184a6
Add a sanity check to ensure the attribute location binding worked
2017-10-13 10:06:12 +05:30
Kovid Goyal
f2e8877032
...
2017-10-12 16:10:19 +05:30
Kovid Goyal
555409ea73
Apple's OpenGL drivers are sad
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Apparently they cant handle non-sequential binding locations. Sigh.
2017-10-12 15:36:38 +05:30
Kovid Goyal
952f0ad98c
Accommodate the underpowered Apple lineup
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macOS is missing glDrawArraysInstancedBaseInstance
2017-10-04 22:44:03 +05:30
Kovid Goyal
e9bc64205e
Code (not working) to draw graphics
2017-10-04 18:29:48 +05:30
Kovid Goyal
124a41643f
Add a comment about the use of layout locations
2017-10-04 17:29:30 +05:30
Kovid Goyal
138a37ccac
Start work on the graphics program
2017-10-04 17:22:00 +05:30
Kovid Goyal