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11 Commits

Author SHA1 Message Date
Michael Matloob
4c31c789d7 gl: fix func name in doc comment for GetRenderbufferParameteri
Also s/bufer/buffer/ in comment for VertexAttribPointer.

Change-Id: Icb2ce35e4fed91939ebd00012e5caf88453fcbbf
Reviewed-on: https://go-review.googlesource.com/3959
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-02-06 09:33:13 +00:00
Hyang-Ah Hana Kim
a8fcf739b9 mobile: limit app/font/gl packages to linux/darwin.
They don't make sense for other platforms yet.

See golang/go#9603

Change-Id: I2ed269a00b1e1961aadf0a47fc95bbe3cd230113
Reviewed-on: https://go-review.googlesource.com/2902
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-01-15 20:16:28 +00:00
David Crawshaw
e8bfa872c4 gl: use Uniform type for consistency
Change-Id: I90a813c0823498297ff0bb7718bee6cd61b87581
Reviewed-on: https://go-review.googlesource.com/1517
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2014-12-15 17:53:49 +00:00
David Crawshaw
81f7d26930 gl: regen gldebug.go and stop logging on glBoolean
Change-Id: Icad6cb694b31924164483609e0fd9c7cce8e3f0d
Reviewed-on: https://go-review.googlesource.com/1185
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2014-12-08 23:39:28 +00:00
David Crawshaw
23d89f24b5 gl: merge gl_linux.go and gl_darwin.go
C changes the types silently, so there's no need for the code to be
different (beyond the standard header ifdef boilerplate).

Change-Id: I0eddb5fa050c083cdac9db499634bf3d1bb9bb04
Reviewed-on: https://go-review.googlesource.com/1184
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2014-12-08 21:38:56 +00:00
David Crawshaw
410ed12d25 gl: convert Glclampf to GLfloat in C to avoid variations between GL headers
Change-Id: I2ff85d2b4529fc12e08404c93266b827dd88b8ef
Reviewed-on: https://go-review.googlesource.com/1183
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2014-12-08 20:15:17 +00:00
David Crawshaw
5875cc8cf7 x/mobile/go: remove GLES2 headers
LGTM=nigeltao
R=rsc, nigeltao
CC=golang-codereviews
https://golang.org/cl/174590043
2014-12-05 10:14:12 -05:00
Nigel Tao
4f42fa989e go.mobile/gl: use column major ordering.
Also rename some files:
types.go      -> types_prod.go
typesdebug.go -> types_debug.go
(new file)       types_common.go

In discussing https://golang.org/cl/144480043/ crawshaw said:

The third argument to glUniformMatrix* is "transpose." According to the
linked documentation, which is usually better:

"If transpose is GL_FALSE, each matrix is assumed to be supplied in
column major order. If transpose is GL_TRUE, each matrix is assumed to
be supplied in row major order."

However, the documentation for OpenGL ES 2 doesn't bother even telling
you, it just says that this parameter must always be set to GL_FALSE. So
it's not supported on most Android devices. (Sadly the older
documentation appears to have been discontinued.)

So yes, GL seems to default to column-major, and the older GLES2 I'm
targeting left the transpose argument in but doesn't support it. Hence
I'm not exposing it through this API.

LGTM=crawshaw
R=crawshaw
CC=golang-codereviews
https://golang.org/cl/148690043
2014-10-09 14:00:00 +11:00
David Crawshaw
b1ea4eba37 go.mobile/gl: f32 utilities and extra debugging
Split constants out into their own file. Hide the
values in named types in a struct, so that when
using the gldebug tag we can attach extra
information (such as the name of a uniform and
attribute).

LGTM=nigeltao
R=golang-codereviews, bryanturley, nigeltao
CC=davidday, golang-codereviews
https://golang.org/cl/137630043
2014-09-17 18:07:50 -04:00
David Crawshaw
3bd69d3fcc go.mobile/gl: tracing debug mode
Compiling a binary with "-tags gldebug" will add log
tracing to each GL function call. This is the best I
can offer in lieu of of real error handling.

A colleague has accused me of Aspect-oriented
programming. The wikipedia article on the topic lost
me in the first paragraph, so just for the record,
this was inspired by the way the cover tool rewrites
source code.

LGTM=sameer
R=golang-codereviews, sameer
CC=golang-codereviews
https://golang.org/cl/128640043
2014-08-26 10:03:00 -04:00
David Crawshaw
0394fdc6fe go.mobile/gl: OpenGL ES 2 bindings
A new set of bindings, as none of the existing open source
ones meet all the desired criteria:

- just ES 2/3, no deprecated/wider interfaces
- no hiding of GL functions behind higher-level interfaces
- no exported use of C types
- no other library dependencies
- no exported use of unsafe.Pointer
- use Go slices for passing arrays

Function stubs were generated from the gl.xml spec file,
however there were enough special cases (and few enough
functions in the ES spec) that it was easier to construct
most of this file by hand rather than complete a generator
script. So it is not included in this CL.

LGTM=adg
R=golang-codereviews, bryanturley, adg, capnm9
CC=golang-codereviews
https://golang.org/cl/127870043
2014-08-25 08:17:08 -04:00