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126 Commits

Author SHA1 Message Date
Timm Bäder
52ae384bfd gl shaders: unify frag coord handling 2020-05-10 09:30:15 +02:00
Timm Bäder
962e38c5c9 gl renderer: Shorten shaders a bit 2020-01-24 06:08:39 +01:00
Timm Bäder
685288216f gl renderer: Move rect transformation to the vertex shader 
No need to do this for every fragment.
 2020-01-24 06:08:39 +01:00
Timm Bäder
c8fa1f19db gl renderer: Transform rounded rect on the GPU 
Change the RoundedRect struct we use in our shaders so we can transform
it using (affine) matrices.
 2020-01-24 06:08:39 +01:00
Timm Bäder
dc8dedce07 gl renderer: Draw outset shadows white 
and only apply the actual shadow color when we draw them from the
texture. This way we can reuse the cached shadows during color
transitions.
 2020-01-18 08:49:52 +01:00
Timm Bäder
74f18f71d3 gl renderer: Move work to the blur vertex shader 2020-01-07 17:27:17 +01:00
Timm Bäder
44ac2d5abb gl renderer: Pass linear gradient stops to shaders directly 
No need to copy them into the render ops like this.
 2020-01-07 17:27:16 +01:00
Timm Bäder
b8aa51d522 gl renderer: Move more work to the vertex shaders 2020-01-07 17:27:16 +01:00
Timm Bäder
f79c807645 gl renderer: Don't invert offset value twice 2020-01-07 17:27:16 +01:00
Timm Bäder
d0d2ad9f5b gl renderer: Remove unused variable from shader 2020-01-07 17:27:16 +01:00
Timm Bäder
0b8298038a gl renderer: Move color computation to vertex shader 2020-01-07 17:27:16 +01:00
Timm Bäder
6ef0bb8bea gl renderer: Move final color computation to vertex shader 
.. of the coloring program, which is used all the time for text.
 2020-01-07 17:27:16 +01:00
Timm Bäder
91472b2ecd gl renderer: Compute final color in vertex shader 
This is a very often used shader. No need to to do this for every
fragment.
 2020-01-07 17:27:16 +01:00
Timm Bäder
2079c898e7 gl renderer: Remove some unneeded calculations from shaders 2020-01-07 17:27:16 +01:00
Timm Bäder
c79c18f39c gl renderer: Shuffle things around a bit 2020-01-07 17:27:16 +01:00
Timm Bäder
cef7f7f87d gl renderer: Move work to the gradient vertex shader 
No need to do this stuff once per fragment.
 2020-01-07 17:27:16 +01:00
Timm Bäder
fdce30d3f8 gl renderer: Add some in/out compat glue to the shaders 
so we can use _IN_ and _OUT_ and get the right things for
desktop/es/legacy GL.
 2020-01-07 17:27:16 +01:00
Timm Bäder
1243174e53 gl renderer: Make RoundedRect work in gles 
Which can't return struct types containing arrays. So let's revert to
the previous version but still send the rect along as a vec4[3];
 2020-01-07 17:27:15 +01:00
Timm Bäder
cc909b160f gl renderer: Rewrite shader builder 
Use a unified approach to write both vertex and fragment shader in the
same file.
 2020-01-07 17:27:15 +01:00
Timm Bäder
49845795d9 gl renderer: Rewort passing rounded rects to shaders 2020-01-07 17:27:15 +01:00
Timm Bäder
ab04c74ec9 gl renderer: Don't copy border outline corner sizes around 
We already offset + scale the outline and its corners, just pass those
directly to the shader.
 2020-01-07 17:27:15 +01:00
Timm Bäder
d3852ca33a gl renderer: Remove some unused uniforms 2020-01-07 17:27:15 +01:00
Timm Bäder
56b456ff21 gl renderer: Remove unused uniform from inset shadow shader 2019-12-03 08:40:35 +01:00
Timm Bäder
8ca46169b1 gl renderer: Blur shader improvements 
Use a two-pass blur shader, fix a few other things and unify the
blurring of blur nodes and blurred outset shadow nodes.

Related to #1283
 2019-12-03 08:40:34 +01:00
Timm Bäder
1c2661ed12 gl renderer: Fix repeat node shader once again 2019-11-26 09:09:25 +01:00
Timm Bäder
604f44da11 gl renderer: Fix repeat nodes that don't repeat 
Fixes #2234
 2019-11-19 10:31:21 +01:00
Timm Bäder
2977e91aed gl renderer: Grow unblurred outset shadow outline on the gpu 2019-10-11 10:16:39 +02:00
Timm Bäder
0b999c73d1 gl renderer: Fix glsl rounded rect shrinking 
Previous code would add rounded corners to a rect with all 0 corners
when growing.
 2019-10-11 10:15:58 +02:00
Timm Bäder
2914c360a9 gl renderer: Implement a subset of repeat nodes 2019-08-11 09:05:31 +02:00
Elias Aebi
a357995484 glsl: don't use switch statements 2019-07-31 18:48:54 +02:00
Elias Aebi
1e6120e776 glsl: use float literals 2019-07-06 14:42:08 +02:00
Timm Bäder
a2518493a2 gl renderer: Fix color matrix shader 
We *just* computed a un-premultiplied color, maybe we should also use
it.
 2019-05-18 13:47:59 +02:00
Timm Bäder
4869013a8d gl renderer: Fix coloring shader 
We *just* pre-multiplied u_color but then didn't use its rgb values.
This fixes backdrop scale marks in Adwaita to not be white.
 2019-05-06 17:58:55 +02:00
Timm Bäder
3e2107846d gl renderer: Fix blend shader 2019-05-06 17:34:48 +02:00
Timm Bäder
c848b9014b gl renderer: Add simple blend node implementation 2019-04-28 07:58:31 +02:00
Timm Bäder
34fcfb154a gl renderer: Properly apply opacity in cross-fade shader 2019-04-24 13:29:45 +02:00
Timm Bäder
2b95a5daee gl renderer: Remove blend shader 
It's unused.
 2018-12-02 16:04:40 +01:00
Elias Aebi
19873e549a gl: implement clipping for legacy contexts 2018-07-14 14:31:50 +02:00
Elias Aebi
05ca6bc189 gl: fix compilation errors for legacy context shaders 2018-07-14 14:24:21 +02:00
Timm Bäder
eaf899061a gl renderer: Remove shadow program 
Drawing shadows is the same task as drawing text in our case and these
two shaders have been the same thing for quite a while.
 2018-03-15 18:12:00 +01:00
Timm Bäder
0a7880110e gl renderer: Fix clipped borders 
Stop abusing the clip rect for borders.
 2018-03-15 18:11:57 +01:00
Timm Bäder
d2b5436462 gl: Make blur nodes with radius ∈ ]0; 1[ 
Otherwise, the radius here ends up being 0 and we don't draw anything at
all.
 2018-02-27 14:22:08 +01:00
Timm Bäder
4946810960 gl renderer: Render unblurred outset shadows differently 
We don't need to draw anything to a texure for those.
 2018-01-15 10:56:43 +01:00
Timm Bäder
bbf6e81c1f gl renderer: Fix shaders for gles 
Remove uniform initializers, add casts to float, etc.
 2018-01-08 19:23:06 +01:00
Timm Bäder
cd2a53851b gl: Fix copy&paste error in blur shader 2018-01-08 19:23:06 +01:00
Timm Bäder
3176ae7e51 gl renderer: Use alpha uniform in inset shadow shader 2018-01-08 17:44:33 +01:00
Timm Bäder
f729cbb760 gl renderer: Fix text color pre-multiplication 2018-01-04 12:20:27 +01:00
Timm Bäder
4abbf929ad gl renderer: Remove some unused uniforms from shader 2017-12-29 05:48:42 +01:00
Timm Bäder
2bc10fa365 gl renderer: draw all outset shadows 
Instead of falling back to cairo for most of them.
 2017-12-29 05:48:40 +01:00
Timm Bäder
7a2d30323e gl renderer: try doing outset box shadows 
Still fall back in cases we can't handle that way.
 2017-12-21 19:12:33 +01:00