Commit Graph

552 Commits

Author SHA1 Message Date
Alex Szpakowski 3a5c3df02f Add sync and async texture and buffer readback APIs.
- Add imagedata = love.graphics.readbackTexture(texture, [slice, mipmap, x, y, w, h, [dest, destx, desty]]).
- Add readback = love.graphics.readbackTextureAsync(texture, [slice, mipmap, x, y, w, h, [dest, destx, desty]]).
- Add bytedata = love.graphics.readbackBuffer(buffer, [offset, size, [dest, destoffset]]).
- Add readback = ove.graphics.readbackBufferAsync(buffer, [offset, size, [dest, destoffset]]).
- Deprecate Texture:newImageData.

The async variants return a new GraphicsReadback object. It has the following methods:
- isComplete()
- hasError()
- wait()
- getBufferData()
- getImageData()
- update() (called automatically every frame by love, not normally needed).

Support notes:
- readbackBuffer and readbackBufferAsync require buffer copying support.
- readbackTexture with a render target (canvas) is always supported. readbackTexture with a non-render-target requires copy-texture-to-buffer support.
- readbackTextureAsync with a render target requires copy-render-target-to-buffer support. readbackTextureAsync with a non-render-target requires copy-texture-to-buffer support.
2022-05-30 21:53:55 -03:00
Alex Szpakowski fb450b1df4 Add internal code for temporary buffers. 2022-05-30 21:46:55 -03:00
Alex Szpakowski ee336e5393 opengl: restructure code for computing format support. 2022-04-23 13:15:58 -03:00
Alex Szpakowski 28a64c2b29 Use uint32 instead of int for some internal bit-flags. 2022-04-23 09:41:29 -03:00
Miku AuahDark 405e33a689 Use int instead of PixelFormatUsageFlags for isPixelFormatSupported. 2022-03-05 13:42:20 +08:00
Alex Szpakowski 0fa00e0bdc love.graphics.newShader: add a compile options table parameter.
The only field currently read from the table is 'defines', which can contain either an array of define names, or name-value pairs.
For example: newShader(file, {defines={"MYFEATURE_ENABLED", MYSETTING=1}})

Fixes #1577
2022-02-20 12:23:41 -04:00
Alex Szpakowski 6dbb7fa5de Add love.graphics.setStencilMode. Remove old stencil API.
- Add setStencilMode(drawaction, comparemode, value = 0, readmask = 0xFF, writemask = 0xFF).
- Add getStencilMode.
- Remove love.graphics.stencil.
- Remove love.graphics.set/getStencilTest.

Note that the new setStencilMode API does not clear the stencil buffer, and does not turn off color writes (it can still be done manually), unlike love.graphics.stencil.

Fixes #1161.
Fixes #1251.
2022-01-22 23:36:07 -04:00
Alex Szpakowski 87592513a2 metal: fix automatic depth/stencil with setCanvas. 2022-01-22 20:57:06 -04:00
Alex Szpakowski 4ca3535cd2 Metal: fix clamp-to-one texture wrap mode detection. 2022-01-15 23:31:07 -04:00
Alex Szpakowski f93d167a47 Merge branch '12.0-development' into metal 2022-01-12 18:23:23 -04:00
Alex Szpakowski ff83ee6a9c Add basic ortho and perspective projection APIs to love.graphics.
- Added love.graphics.setOrthoProjection.
- Added love.graphics.setPerspectiveProjection.
- Added love.graphics.resetProjection.

Note that the projection is reset whenever the canvas changes.
2022-01-08 22:56:21 -04:00
Alex Szpakowski d51e012812 Merge branch '12.0-development' into metal 2022-01-05 21:12:22 -04:00
Alex Szpakowski 7f3538d2ba Merge branch 'main' into 12.0-development 2022-01-05 21:10:27 -04:00
Alex Szpakowski 5864d83c31 Add ability to configure which renderers are used by love.graphics.
- Add t.renderers and t.excluderenderers love.conf fields. They can be an array of renderer names.
- Add --renderers a,list,of,renderernames and --excluderenderers more,renderers argument options.
2022-01-04 21:29:56 -04:00
Alex Szpakowski 42e8df1489 Add a GraphicsFeature support enum for 32 bit index buffers.
Some old OpenGL ES 2 systems don't support them.
2022-01-03 16:09:38 -04:00
Alex Szpakowski 40aa50662a Merge branch '12.0-development' into metal 2022-01-01 15:36:57 -04:00
Alex Szpakowski 8e7fd10b6f Update copyright year for 2022 2021-12-31 18:33:40 -04:00
Alex Szpakowski 52101b2563 Add love.graphics.copyTextureToBuffer and copyBufferToTexture. 2021-12-28 12:46:56 -04:00
Alex Szpakowski d7bfc2ebcb Fix compile error 2021-12-27 21:31:04 -04:00
Alex Szpakowski 5b3a5e7721 Remove the need for copysource and copydest buffer usage flags. 2021-12-27 21:17:04 -04:00
Alex Szpakowski 045f5ff0a5 Fix initializing the graphics module after a window is opened. 2021-12-26 12:34:47 -04:00
Alex Szpakowski 7a910484c3 Fix compilation 2021-12-24 16:45:23 -04:00
Alex Szpakowski 75b2ddc3c9 Fix love.graphics.clear's alpha component. 2021-12-24 16:14:06 -04:00
Alex Szpakowski e63025b74f Merge branch '12.0-development' into metal 2021-12-24 15:34:05 -04:00
Alex Szpakowski 601d4e120d don't need memory barriers for readonly storage textures. 2021-08-13 18:13:45 -03:00
Alex Szpakowski a551fcd492 Initial support for writing to textures in compute shaders. 2021-08-13 14:43:03 -03:00
Alex Szpakowski cffd485976 Allow rendering to integer textures. 2021-08-12 17:43:33 -03:00
Alex Szpakowski 48b3a4e860 Initial support for integer format textures.
They can't be rendered to and ImageData can't use the formats, for now.
2021-08-12 16:38:54 -03:00
Alex Szpakowski 4caeb27047 Slightly less heavy-handed compute memory barrier implementation.
Also validate whether there are any unbound writable resources when dispatching compute shader work.
2021-08-11 18:41:38 -03:00
Alex Szpakowski 80f051b97d Merge pull request #1715 from bjornbytes/compute-shaders
Compute Shaders
2021-07-18 13:09:48 -03:00
bjorn dc5f68e709 World's worst sync; 2021-07-17 20:02:04 -07:00
bjorn 25fbf1d8ce love.graphics.dispatchThreadgroups; 2021-07-17 19:49:53 -07:00
bjorn 085ba2cb6e Add compute ShaderStage; 2021-07-17 19:46:05 -07:00
bjorn f6559ce49e Add threadgroups{x,y,z} SystemLimits; 2021-07-17 19:38:45 -07:00
bjorn bbb4cd66be Fix default shader storage buffer initialization; 2021-07-01 17:22:03 -07:00
Alex Szpakowski 14cda7818f Rename internal enum 2021-04-07 20:43:22 -03:00
Alex Szpakowski 21f5ba86d3 Merge branch 'master' into 12.0-development 2021-04-07 20:33:44 -03:00
Alex Szpakowski f89aabb0bb Update copyright year for 2021 2021-04-04 16:14:45 -03:00
Alex Szpakowski 2d2918a254 Merge branch '12.0-development' into metal 2021-03-26 21:42:08 -03:00
Alex Szpakowski 694d448e83 Vertex shaders can write to gl_PointSize (fixes #1603).
If a shader uses gl_PointSize then it can only be used when drawing points. If a shader doesn't use gl_PointSize then it can't be used when drawing points.

Added 'ConstantPointSize' and 'CurrentDPIScale' built-in shader uniforms.

ConstantPointSize is in DPI-scaled points, whereas gl_PointSize is in pixels, so to get the correct default behaviour a shader needs to do gl_PointSize = ConstantPointSize * CurrentDPIScale
2021-01-23 13:47:12 -04:00
Alex Szpakowski deff795908 Rename some internal buffer enums to better match what they do 2021-01-17 20:59:16 -04:00
Alex Szpakowski e2838131f2 Add love.graphics.copyBuffer. 2021-01-17 14:02:00 -04:00
Alex Szpakowski 5e77944dc0 refactor texture format support internals 2021-01-16 13:09:01 -04:00
Alex Szpakowski 98f8fe02a1 Merge branch '12.0-development' into metal 2021-01-14 20:33:45 -04:00
Alex Szpakowski 50ff86bd92 Graphics Buffers can be used as Shader Storage Buffers. 2021-01-10 17:53:12 -04:00
Alex Szpakowski 65bfeedd4e Merge branch 'master' into 12.0-development 2020-12-26 22:48:08 -04:00
Alex Szpakowski 95ab4054ff Fix a freeze on Intel drivers when using mipmapped Canvases
Fixes #1585

Also disallow generateMipmaps on depth/stencil canvases because it's not really supported.
2020-12-26 16:37:37 -04:00
Alex Szpakowski fe23c16198 Disable gamma correction on Windows + Intel HD 2/3000 / Intel HD Graphics
It's completely broken there. Closes #1592
2020-12-24 20:31:33 -04:00
Alex Szpakowski 20a92a4106 Merge branch '12.0-development' into metal 2020-12-22 22:37:17 -04:00
Alex Szpakowski 1f9d98263d Refactor Buffer internals.
Allows buffers created with love.graphics.newBuffer to only allocate VRAM data. Previously they had a copy of their contents in RAM.
Also makes it easier to implement Buffers in other graphics APIs and to implement more types of Buffers in the future.
2020-12-22 19:23:02 -04:00