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603 Commits

Author SHA1 Message Date
Benjamin Otte
ade7509b97 GL renderer: Remove noperspective usage 
It causes issues with compilation of GLES shaders and isn't in any
way correct.
 2021-11-30 14:12:10 +01:00
Matthias Clasen
5b1cd335bb Go back to using pango for glyph rendering 
Using just cairo makes us lose hexboxes. So, until
we implement that ourselves, go back to using pango.
 2021-11-20 11:13:52 -05:00
Benjamin Otte
95574f98c4 gl: Use GL_BACK_LEFT 
The spec doesn't allow GL_BACK, but many drivers do. Use the
spec-accepted equivalent instead.

Fixed #4402
 2021-11-03 22:53:59 +01:00
Benjamin Otte
2b2fd23815 Merge branch 'wip/otte/center-center-center' into 'master' 
Add a bunch of reftests and fix their failures

Closes #4285

See merge request GNOME/gtk!4085
 2021-10-22 16:35:41 +00:00
Benjamin Otte
b912e84df7 gl: Call make_current() before doing any GL work 
But don't call it too early, we only want to call it once we have
prepared the target.

This way, we guarantee that a GL context is always available and that it
is bound to the correct target.
 2021-10-22 17:51:40 +02:00
Benjamin Otte
cb03fe8f31 gsk: Allow gsk_renderer_realize (renderer, NULL, NULL) 
That way, we can use renderers without surfaces.
 2021-10-20 21:49:32 +02:00
Benjamin Otte
9a2e9c5be4 gl: Use gdk_memory_texture_new_from_texture() 
Way less code to prepare the texture in a proper format.
 2021-10-13 14:33:44 +02:00
Benjamin Otte
ddc4a40c33 gl: Refactor texture uploading 
Don't pass texture + rect, but instead have
  gdk_memory_texture_new_subtexture()
and use it to generate subtextures and pass them.

This has the advantage of downloading the a too large texture only once
instead of N times.
 2021-10-13 14:33:44 +02:00
Benjamin Otte
5199bebdb5 gl: Move texture uploading to the renderer 
It does not belong in GdkGLContext, it's a renderer thing.
It's also the only user of that API.

Introduce gdk_gl_context_check_version() private API to make version
checks simpler.
 2021-10-13 14:33:44 +02:00
Benjamin Otte
31e9072906 gl: Fix downloading textures *again* 
It turns out glReadPixels() cannot convert pixels and you are only
allowed to pass a single value into the function arguments. You need to
know which ones or things will explode.

GL is great.
 2021-10-13 14:33:44 +02:00
Benjamin Otte
b65b64628d texture: Refactor downloading 
Pass a format do GdkTextureClass::download(). That way we can download
data in any format.

Also replace gdk_texture_download_texture() with
gdk_memory_texture_from_texture() which again takes a format.

The old functionality is still there for code that wants it: Just pass
gdk_texture_get_format (texture) as the format argument.
 2021-10-12 02:06:43 +02:00
Matthias Clasen
49a64da7ec Merge branch 'ngl-is-the-new-gl' into 'master' 
Rename ngl to gl

Closes #4318

See merge request GNOME/gtk!4037
 2021-10-11 06:43:41 +00:00
Matthias Clasen
b7eb1d3310 gsk: provide an ngl renderer 
Provide a minimal renderer implementation that fails
in realize. This avoids reusing the same type, which
might give bindings trouble.
 2021-10-07 16:46:29 -04:00
Matthias Clasen
7a1644bc97 Maintain abi 
Keep gsk_ngl_renderer_new and gsk_ngl_renderer_get_type,
since they were part of the abi in 4.2, and in an
installed header.

Fixes: #4318
 2021-10-07 13:05:53 -04:00
Matthias Clasen
144f727d5a Rename ngl to gl 
We have only one gl renderer now, and it is
a bit odd for it not be called gl.
 2021-10-07 13:05:53 -04:00
Matthias Clasen
e9e373913e gsk: Drop the gl renderer 
ngl supports all the same platforms as gl
now, and has seen more improvements in the
last cycle.
 2021-08-20 22:58:30 -04:00
Benjamin Otte
c7320df0c9 gdk: Add gdk_gl_context_is_shared() 
... and use it in the GL renderers.
 2021-07-22 16:27:31 +02:00
Matthias Clasen
578db92973 Cosmetics: Eradicate gint 
Remove a handful of errant uses of gint.
 2021-06-03 17:41:28 -04:00
Matthias Clasen
2d266d107b gsk: Clean up docs syntax 
Replace leftover gtk-doc syntax (#Type) with backquotes.
 2021-05-22 17:25:26 -04:00
Alexander Mikhaylenko
ae7f380396 gsk: Fix shader gresource paths 
They were never updated after having been moved.
 2021-04-19 20:01:33 +05:00
Matthias Clasen
9d3aa2cfce gsk: Avoid compiler warnings without assertions 
Disabling assertions was provoking some unused variable
warnings from the compiler. Avoid these.
 2021-04-12 21:22:46 -04:00
Matthias Clasen
900a4e4d31 gsk: Move shader resources 
Move the resources of each renderer to its subdirectory.
We've previously done that for the ngl renderer, but it
is better to be consistent and do it for all the renderers.
 2021-04-03 08:24:58 -04:00
Matthias Clasen
ee63b84b6a gsk: Rename resource paths 
Make the shaders of the gl renderer live under
/org/gtk/libgsk/gl. This is purely cosmetic.
 2021-04-03 08:10:58 -04:00
Matthias Clasen
bd0df03248 gl: Fix a rounding error in subpixel positioning 
1024 / 4 is 256, not 250.
 2021-03-21 16:05:10 -04:00
Matthias Clasen
ca3120919f docs: Improve gsk docs 
Convert link formats, add summaries, and make
a few missing things show up in the docs.
 2021-03-11 16:37:31 +00:00
Matthias Clasen
dff2aa20ff gl: Fixed clipped offscreen rendering 
When we are rendering a texture node to an offscreen,
and we have a clip, we must force the offscreen rendering.
Otherwise, the code will notice: Hey, it already is a texture
node, so no need to render it to a texture again. But when
clipping is involved, that is exactly what we want to do.

Testcase included.

Fixes: #3651
 2021-02-09 22:43:15 -05:00
Timm Bäder
79f273348d gl renderer: Fix viewport computation when rendering offscreen 
Fixes #3615
 2021-01-29 10:37:48 +01:00
Timm Bäder
8ebcef97ff shader builder: Improve error output 2021-01-29 09:45:25 +01:00
Matthias Clasen
0d0bdaa02e gsk: Fix a thinko 
With subpixel positioning, we need to offset the
cached glyphs by their phase.
 2021-01-28 18:16:16 -05:00
Fabio Lagalla
d83502d054 gskglshaderbuilder: bind correct uv location 2021-01-28 17:08:46 +01:00
Fabio Lagalla
a1dd6521e8 gskglrenderer: Remove switch fallthrough comments 2021-01-27 12:52:11 +01:00
Fabio Lagalla
0088f840fe gskrendernode: Cache angle in conic gradients 2021-01-27 12:44:10 +01:00
Fabio Lagalla
1b698c896e gskglrenderer: Use gboolean instead of bool 2021-01-27 12:44:10 +01:00
Fabio Lagalla
04000f28e7 gskglrenderer: First class support of repeating-radial-gradient 2021-01-27 12:44:10 +01:00
Fabio Lagalla
976a05f6eb gskglrenderer: First class support of repeating-linear-gradient 2021-01-27 12:44:10 +01:00
Fabio Lagalla
b15902bf44 gskglrenderer: Optimize conic-gradient shader 2021-01-27 12:44:10 +01:00
Fabio Lagalla
5ac7529771 gskglrenderer: Optimize radial-gradient shader 2021-01-27 12:44:10 +01:00
Fabio Lagalla
bbf68c0d9d gskglrenderer: Optimize linear-gradient shader 2021-01-27 12:44:10 +01:00
Timm Bäder
d9f6b268d3 gl renderer: Use rect_contains_rect() copy 
And this way the contains_rect() inside
rounded_inner_rect_contains_rect() goes from 3.3% to 0.79% in the
fishbowl when rendering the levelbars.
 2021-01-17 04:39:26 +01:00
Timm Bäder
4d7a01562e gl renderer: Don't reset offset when drawing offscreen 2021-01-17 04:39:26 +01:00
Timm Bäder
650eed7f72 gl renderer: Properly y-flip non-offscreen children of rounded clips 2021-01-17 04:39:26 +01:00
Fabio Lagalla
8c61038b9f gl renderer: print fragment shader info 
It was logged twice the vertex shader info, instead
 2021-01-11 17:06:03 +01:00
xndcn
34ffdc6e3f gl: Fix implicit leaking of shader object 
According to OpenGL spec, a shader object will only be flagged
for deletion unless it has been detached; when a program object
is deleted, those shader objects attached to it will be detached
but not deleted unless they have already been flagged for deletion.

So we shall detach a shader object before it is deleted, and delete
it before the program object is deleted best.
 2020-12-29 23:50:45 +08:00
Timm Bäder
526c76181e gl renderer: Check for pointer equality in rounded_rect_equal 2020-12-21 15:22:08 +01:00
Timm Bäder
e1cf0cff26 gl renderer: Proper state tracking for color matrix ops 2020-12-21 10:26:03 +01:00
Timm Bäder
634fa772c9 gl renderer: Add missing debug output for repeat ops 2020-12-21 10:26:03 +01:00
Timm Bäder
4b3bbe0ecd gl renderer: Create shader-global uniform ops on draw() 
This way we can render the first frame of tests/testoutsetshadowdrawing
in 153 ops instead of 183.

And the first frame of gtk4-demo in 260 instead of 300.
 2020-12-21 10:26:03 +01:00
Timm Bäder
cde43541d0 gl renderer: Unify new clip/viewport rects in blur_texture() 2020-12-21 10:26:03 +01:00
Timm Bäder
a8213d7f45 gl renderer: Avoid setting modelview to identical values 
The previous comment here was incorrect. We can save the op itself, we
just can't save us the entry in the modelview stack.
 2020-12-21 10:26:02 +01:00
Matthias Clasen
d5143a1bf0 Revert "gl renderer: Render too big textures to the clipped area" 
This reverts commit 7f6608cbed.
 2020-12-19 11:43:56 -05:00