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32 Commits

Author SHA1 Message Date
Hajime Hoshi
7f2092f964 graphicsdriver/opengl: Enable to bind multiple textures (in theory) 2020-05-17 23:57:42 +09:00
Hajime Hoshi
e66f1fb71e graphicsdriver/opengl: Use glBufferSubData instead of glTexSubImage2D on browsers 
Updates #988
 2020-01-02 16:27:51 +09:00
Hajime Hoshi
38815ba801 graphicsdriver/opengl: Use glBufferSubData instead of glMapBuffer 
We have confirmed that this does not slow down ReplacePixels.

Fixes #993
Fixes #1040
 2020-01-02 00:01:27 +09:00
Hajime Hoshi
815afe6670 graphicsdriver/opengl: Reduce calls of glBindTexture 2020-01-01 01:39:45 +09:00
Hajime Hoshi
85cbc7e56b Enable to compile Ebiten on js/wasm with Go 1.14 
Fixes #1024
 2019-12-19 00:45:53 +09:00
Hajime Hoshi
78e912e30b graphicsdriver/opengl: Fix comments 2019-11-24 18:11:45 +09:00
Hajime Hoshi
3d3a1be1c4 graphicsdriver/opengl: Use glTexSubImage2D instead of glTexImage2D 2019-11-24 18:07:21 +09:00
Hajime Hoshi
9f483ddc60 graphicsdriver/opengl: Adopt WRITE_ONLY for PBOs 
It looks like it is safe to use WRITE_ONLY:
https://stackoverflow.com/questions/30248594/write-only-glmapbuffer-what-if-i-dont-write-it-all
 2019-11-24 17:42:28 +09:00
Hajime Hoshi
0ef8009c11 graphicsdriver/opengl: Use uintptr whenever possible instead of unsafe.Pointer 2019-11-20 02:00:02 +09:00
Hajime Hoshi
4296c11256 graphicsdriver/opengl: Refactoring 2019-11-24 00:08:38 +09:00
Hajime Hoshi
3df198f68e graphicsdriver/opengl: Use GL_READ_WRITE at glMapBuffer 
Updates #993
 2019-11-22 00:27:20 +09:00
Hajime Hoshi
52f6be2639 graphicsdriver/opengl: Fix suspicious GL function calls 
Before this change, the pixel object buffer is unbound just after
getting a pointer by glMapBuffer. This seemed suspicious.

This change fixes to do all pixel manipulations once between
glMapBuffer and glUnmapBuffer without changing a bound buffer.

This might fix a wrong rendering on some machines, but I am not
sure.

Updates #993
 2019-11-20 02:41:34 +09:00
Hajime Hoshi
acc933b7c3 graphicsdriver/opengl: Experimental PBO implementation 
This change is an experimental implementation to use Pixel Buffer
Objects. This reduces calls of glTexSubImage2D.

This works only on desktops. Unfortunately WebGL does not have
this features. Mobiles can have PBO as of OpenGL ES 3.

Updates #976
 2019-11-17 05:01:43 +09:00
Hajime Hoshi
38ee9113ee graphicsdriver/opengl/gl: Remvoe PtrOffset 
Updates #889
 2019-10-01 01:48:42 +09:00
Hajime Hoshi
f40798b586 graphics: Move const definitions to driver package 
Let's keep 'graphics' package as a package for utility functions
or testable functions as much as possible.
 2019-06-26 01:05:13 +09:00
Hajime Hoshi
9bff33472a driver: Add (Graphics).HasHighPrecisionFlaot 
This enables to determine whether vertices should be adjusted or
not.

Fixes #879
 2019-06-22 14:57:53 +09:00
Hajime Hoshi
85dcafe176 thread: Rename Run -> Call 2019-06-06 00:25:57 +09:00
Hajime Hoshi
15a5896efd thread: Rename mainthread -> thread and add struct Thread 
This enables thread available not only for the main thread but also
any threads.

This is a preparation for iOS Metal, that runs drawing functions on
a particular thread.

Updates #737
 2019-06-06 00:25:53 +09:00
Hajime Hoshi
fcb5554aa1 driver: Add Graphics.NeedsRestoring 2019-05-26 19:46:12 +09:00
Hajime Hoshi
0bf911905a Revert "graphicsdriver/opengl: Call glFinish before glReadPixels" 
This reverts commit 04dc1faa9c.

Reason: True fix for #814 is 82178794c3
 2019-02-19 10:55:06 +09:00
Hajime Hoshi
09ca873c41 graphicsdriver/opengl: Use glBindAttribLocation instead of glGetAttribLocation 
Attribute variables are often optimized out and it is really hard
to prevent this.

Instead of implicit indices of attribute variables, use explicit
indices by glBindAttribLocation.

Bug: #816
 2019-02-16 14:35:53 +09:00
Hajime Hoshi
7ff99d3965 graphicsdriver/opengl: Remove glGetError calls 
As glGetError doesn't tell where the error happens, this is not
useful.

Fixes #815
 2019-02-16 10:00:27 +09:00
Hajime Hoshi
04dc1faa9c graphicsdriver/opengl: Call glFinish before glReadPixels 
It looks like glFlush is not enough at least on Travis CI.

Fixes #814
 2019-02-14 02:03:05 +09:00
Hajime Hoshi
6c4260d0e1 Revert "graphicsdriver/opengl: Use GL_RGBA8 as the internal format at glTexImage2D" 
This reverts commit f5044f3d8f.

Reason: This doesn't work on some iOS machines
 2019-02-12 03:34:06 +09:00
Hajime Hoshi
f5044f3d8f graphicsdriver/opengl: Use GL_RGBA8 as the internal format at glTexImage2D 
Related: #810
 2019-02-09 21:27:46 +09:00
Hajime Hoshi
a3eddeb50f Improve panic messages 2019-02-06 23:43:03 -10:00
Hajime Hoshi
99e4c874fe Reduce init functions 
This mitigates the init-order issue on jsgo.io.
 2018-12-26 02:13:47 +09:00
Hajime Hoshi
de788603d6 graphicsdriver/opengl: Remove init order dependency 2018-12-25 23:58:01 +09:00
Hajime Hoshi
e8a1be7748 graphicsdriver/opengl: Use non-cgo gl package on Windows (#171) 
This is a temporal fix until go-gl/glow#102 is applied.
 2018-12-09 03:06:11 +09:00
Hajime Hoshi
c6dd0a75d9 graphicscommand: Optimize replace-image calls 
Now ReplacePixels command is called only when necessary.

This also ensures that DrawImage must be called after ReplacePixels
is called since there is a potential problem that rendering images
on a texture without initializing by replacing pixels might cause
problems (escpecially on Metal. Perhaps #593 might be related).
 2018-12-01 21:36:47 +01:00
Hajime Hoshi
7e363a6f3b graphicsdriver/opengl: Unexport Context 2018-11-11 01:19:11 +09:00
Hajime Hoshi
241716d0e6 Add package graphicsdriver; Move opengl to graphicsdriver/opengl 2018-11-10 22:52:37 +09:00