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80 Commits

Author SHA1 Message Date
Hajime Hoshi
63df6168d9 internal/shader: use plural forms for Kage compiler directives 
This change renames

```
//kage:unit texel
//kage:unit pixel
```

to

```
//kage:unit texels
//kage:unit pixels
```

.

Closes #2717
 2023-08-01 11:41:38 +09:00
Hajime Hoshi
56b4cdc3c4 internal/graphics: use pixels for offsets 2023-04-26 00:38:23 +09:00
Hajime Hoshi
9d2178cf71 internal/shaderir: rename the built-in func to get a texel to __texelAt 2023-04-23 22:57:30 +09:00
Hajime Hoshi
49582519c1 all: add a compiler directive kage:unit 
This change adds a new compiler directive 'kage:unit' to Kage. This
takes one of these two values: 'pixel' and 'texel'. The default value
is 'texel'.

With the pixel-unit mode, all the built-in functions treats pixels
instead of texels, and the texCoord argument of Fragment is in pixels.
This simplifies shader programs as programs no longer have the notion
of texels.

With the texel-unit mode, the behavior is the same as the current
behavior.

Closes #1431
 2023-04-23 22:11:57 +09:00
Hajime Hoshi
df32901dce internal/shader: refactoring 2023-04-16 18:37:06 +09:00
Hajime Hoshi
88e5d5e059 Revert "internal/shaderir: refactoring: remove Program.TextureNum" 
This reverts commit c2bea16776.

Reason: test compilation errors
 2022-12-24 15:53:16 +09:00
Hajime Hoshi
c2bea16776 internal/shaderir: refactoring: remove Program.TextureNum 2022-12-24 15:15:41 +09:00
Hajime Hoshi
f9650fbb8c internal/graphics: update error messages 2022-12-24 14:34:02 +09:00
Hajime Hoshi
afed6a83c6 internal/graphics: change the naming convention: Num -> Count 
This change also renames ebiten.MaxIndicesNum -> ebiten.MaxIndicesCount.
 2022-07-13 02:02:44 +09:00
Hajime Hoshi
b8367da7e2 internal/graphics: optimize imageSrcNUnsafeAt 2022-07-11 01:07:06 +09:00
Hajime Hoshi
32de5ec2d0 internal/graphics: refactoring 2022-04-05 11:12:25 +09:00
Hajime Hoshi
c6e5582c56 Revert "internal/graphics: refactoring" 
This reverts commit b6cc164e96.

Reason: wrong shader program
 2022-04-04 14:31:37 +09:00
Hajime Hoshi
b6cc164e96 internal/graphics: refactoring 2022-04-04 14:30:51 +09:00
Hajime Hoshi
6710808cd1 ebiten: compile shaders at NewShader 
Closes #2035
 2022-04-04 02:52:57 +09:00
Hajime Hoshi
2da5192510 Rename graphics -> graphicscommand 2018-10-28 20:10:05 +09:00
Hajime Hoshi
bd1fc4439a graphicsutil: Avoid passing NaN to shaders experimentally (#696) 2018-10-04 02:02:19 +09:00
Hajime Hoshi
8827520d4a graphics: Bug fix: avoid jaggy rendering on macOS by adjusting texels (#669) 2018-08-30 00:17:03 +09:00
Hajime Hoshi
2360b2930f graphics: Add DrawTriangles 
Fixes #624
 2018-08-14 01:23:14 +09:00
Hajime Hoshi
690c3cf981 graphics: Embed 'scale' part of the color matrix 
If the color matrix includes only 'scale' part, they are embedded
into vertices in order to reduce draw calls.

Fixes #662
 2018-08-10 23:20:55 +09:00
Hajime Hoshi
77e905eb25 Revert "graphics: Embed color matrices values to vertices (#655)" 
This reverts commit 5a9235aaf9.
 2018-08-06 01:44:31 +09:00
Hajime Hoshi
5a9235aaf9
graphics: Embed color matrices values to vertices (#655) 
Fixes #531
 2018-07-26 11:37:27 +09:00
Hajime Hoshi
e6d0943366 graphics: Rename color_matrix -> color_matrix_body 2018-06-06 02:46:54 +09:00
Hajime Hoshi
d7d892f2d6 graphics: Allow a little margin for edge pixels 2018-05-13 23:00:06 +09:00
Hajime Hoshi
a1dd7b39a3 graphics: Remove roundTexel function 
Actually, at least 704d4cf464,
examples/moire doesn't work well without roundTexel on MacBook Pro.
However, now other parts are fixed (e.g. highp is used), it looks
like roundTexel is no longer needed.
 2018-05-13 22:30:22 +09:00
Hajime Hoshi
b402cddd01 graphics: Bug fix: wrong refactoring in shader 2018-05-13 14:20:54 +09:00
Hajime Hoshi
efaa5aa17a graphics: Refactor shader 2018-05-13 03:31:28 +09:00
Hajime Hoshi
09166a6c42 graphics: Fix shaders cleaner way 2018-03-21 03:36:36 +09:00
Hajime Hoshi
0a5deab0a2 graphics: Reland Bug fix: More strict calculation for the nearest filter (#558) 
Better version of bae8f9d874
 2018-03-21 02:40:26 +09:00
Hajime Hoshi
b157f2d6d0 Revert "graphics: Bug fix: More strict calculation for the nearest filter (#558)" 
This reverts commit bae8f9d874.

Reason: TravisCI failed
 2018-03-20 04:16:37 +09:00
Hajime Hoshi
a40dc5cf22 graphics: Refactoring shader 2018-03-20 04:05:09 +09:00
Hajime Hoshi
bae8f9d874 graphics: Bug fix: More strict calculation for the nearest filter (#558) 2018-03-20 04:05:03 +09:00
Hajime Hoshi
927a4388b5 graphics: Bug fix: rounding texels is required even on the nearest filter 
Fixes #558
 2018-03-19 10:37:18 +09:00
Hajime Hoshi
efea65ee58 graphics: Bug fix: wrong texels were used (#546) 2018-03-11 04:11:49 +09:00
Hajime Hoshi
af64f8689a graphics: Fix screen filter calculation 2018-02-24 04:25:07 +09:00
Hajime Hoshi
9fba60ca03 Revert "graphics: Adjust texel positions for consitency" 
This reverts commit 816fb314a4.
 2018-02-24 01:52:49 +09:00
Hajime Hoshi
816fb314a4 graphics: Adjust texel positions for consitency 
On second thought, given pixel coords represent a center of texels...
 2018-02-24 01:52:05 +09:00
Hajime Hoshi
7c66d884d4 graphics: Adjusting position is no longer needed 
Now pixel position is treated as left-upper in linear filter
 2018-02-24 01:32:48 +09:00
Hajime Hoshi
e5a2cf29c0 graphics: Bug fix: pixel coord is upper-left by default 2018-02-24 01:16:32 +09:00
Hajime Hoshi
c76ff5ceb2 graphics: Bug fix: fix screen filter calculation 
Fixes #512
 2018-02-23 23:13:20 +09:00
Hajime Hoshi
b036cac616 graphics: Fix screen filter calculation 2018-02-23 02:36:12 +09:00
Hajime Hoshi
591e0ad995 graphics: Add 'screen' filter for fast rendering (#509) 2018-02-23 01:28:35 +09:00
Hajime Hoshi
4bbb4b0445 graphics: Remove unneeded comments (#491) 2018-02-03 03:32:03 +09:00
Hajime Hoshi
52350c1b1b graphics: Bug fix: TestImageEdge failed on MacBook Pro (#491) 2018-02-03 03:30:09 +09:00
Hajime Hoshi
beaa060ce3 graphics: Adjust texel values that can be exactly on the edges of the source rect (#491) 2018-02-03 02:07:46 +09:00
seebs
0b7ba8e573 Do GeoM projection on CPU (#477) 
Handling GeoM projection on CPU may seem like a weird choice, given
how fast GPU is, but it pays off:

* You only have to do a very small subset of the actual matrix
  multiply.
* You don't have to construct a matrix in the vertex shader.
* Six fewer float32 values per vertex.
* You do still have to do the matrix computation for each vertex,
  though.

Signed-off-by: Seebs <seebs@seebs.net>
 2018-01-14 16:01:55 +09:00
Hajime Hoshi
e13bb0769b graphics: Add 'not-reached' clause 2017-12-21 00:57:36 +09:00
Hajime Hoshi
0a99103bc1 graphics: Call roundTexel only on linear filter (#461) 2017-12-21 00:38:22 +09:00
Hajime Hoshi
8e72906f3d graphics: Separate GLSL programs for filters (#461) 2017-12-21 00:33:08 +09:00
Hajime Hoshi
f072e8f1c5 graphics: Optimize GLSL 2017-12-18 03:10:04 +09:00
Hajime Hoshi
44dc9f6220 graphics: Optimize fragment shader 2017-12-16 18:35:45 +09:00