Moving repo to github

.clang-format

@@ -24,7 +24,6 @@ BraceWrapping:
   AfterEnum: true
   AfterFunction: true
   AfterNamespace: true
-  AfterObjCDeclaration: true
   AfterStruct: true
   AfterObjCDeclaration: true
   AfterUnion: true

.gitignore

@@ -14,6 +14,7 @@ build
 *.wasm
 *.app
 *.dylib
+*.a
 
 Debug/*
 
@@ -39,4 +40,4 @@ scripts/files
 /ext
 src/ext/angle
 
-sketches/*/bin
+sketches/*/bin

FUNDING.yml

@@ -0,0 +1,2 @@
+github: orca-app
+custom: "https://orca-app.dev/sponsor.html"

LICENSE.txt

@@ -1,678 +1,207 @@
-Orca
+                                    Orca
 
-Copyright (C) 2023 Martin Fouilleul and the Orca project contributors
+Copyright (C) 2023 Martin Fouilleul
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU Affero General Public License as
-published by the Free Software Foundation version 3, with additional
-terms under section 7 of the GNU Affero General Public License version
-3, as published at the end of this document.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Affero General Public License for more details.
+Orca is distributed under the MIT license or the Apache License version 2.0,
+at your option.
 
 -------------------------------------------------------------------------------
-                               AGPLv3 LICENSE
+
+                                MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
 -------------------------------------------------------------------------------
 
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-but the work with which it is combined will remain governed by version
-3 of the GNU General Public License.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU Affero General Public License from time to time.  Such new versions
-will be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU Affero General
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-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU Affero General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU Affero General Public License can be used, that proxy's
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-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
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-
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-
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-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
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-  17. Interpretation of Sections 15 and 16.
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-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
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-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
---------------------------------------------------------------------------------
-                          ADDITIONAL TERMS
---------------------------------------------------------------------------------
-
-1. Pursuant to section 7(b) of the AGPLv3, we require the preservation of the legal
-notices, copyright notices and author attributions in the program and in its
-documentation and in the Appropriate Legal Notices displayed by works containing
-it.
-
-2. Pursuant to Section 7(c) of the AGPLv3, we require that modified versions of the
-material should be marked in a reasonable way as different from the official
-version.
-
-Any modified material being redistributed must include a prominent and conveniently
-accessible feature for the display of a Modified Material Notice including the statement
-"This program is using a modified version of the Orca Runtime version VERSION_NUMBER
-released on RELEASE_DATE.
-
-The string VERSION_NUMBER should be replaced with the exact version number of
-the Program on which the modified material is based.
-The string RELEASE_DATE should be replaced with the full date of the release of
-the version VERSION_NUMBER of the Program on which the
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-The Modified Material Notice must be in the same language of the user interface.
-
-3. Additional permission for WebAssembly modules used by the Program.
-The Program works by loading and running WebAssembly modules written by third parties.
-To make this work, portions of the Program must be compiled into these WebAssembly modules,
-making them covered work under the terms of this license.
-
-As an additional permission, WebAssembly modules including unmodified portions of
-the Program to the sole purpose of being bundled with and run by an unmodified version
-of the Program can be distributed under the terms of their author's choice, without being
-bound by the requirements of this license. This permission does not extend to modifications
-of the Program itself or its development libraries.
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
+
+   "Licensor" shall mean the copyright owner or entity authorized by
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+
+   "You" (or "Your") shall mean an individual or Legal Entity
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+
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+   not limited to compiled object code, generated documentation,
+   and conversions to other media types.
+
+   "Work" shall mean the work of authorship, whether in Source or
+   Object form, made available under the License, as indicated by a
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+
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+   the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise,
+   any Contribution intentionally submitted for inclusion in the Work
+   by You to the Licensor shall be under the terms and conditions of
+   this License, without any additional terms or conditions.
+   Notwithstanding the above, nothing herein shall supersede or modify
+   the terms of any separate license agreement you may have executed
+   with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade
+   names, trademarks, service marks, or product names of the Licensor,
+   except as required for reasonable and customary use in describing the
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+
+7. Disclaimer of Warranty. Unless required by applicable law or
+   agreed to in writing, Licensor provides the Work (and each
+   Contributor provides its Contributions) on an "AS IS" BASIS,
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+   PARTICULAR PURPOSE. You are solely responsible for determining the
+   appropriateness of using or redistributing the Work and assume any
+   risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory,
+   whether in tort (including negligence), contract, or otherwise,
+   unless required by applicable law (such as deliberate and grossly
+   negligent acts) or agreed to in writing, shall any Contributor be
+   liable to You for damages, including any direct, indirect, special,
+   incidental, or consequential damages of any character arising as a
+   result of this License or out of the use or inability to use the
+   Work (including but not limited to damages for loss of goodwill,
+   work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses), even if such Contributor
+   has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing
+   the Work or Derivative Works thereof, You may choose to offer,
+   and charge a fee for, acceptance of support, warranty, indemnity,
+   or other liability obligations and/or rights consistent with this
+   License. However, in accepting such obligations, You may act only
+   on Your own behalf and on Your sole responsibility, not on behalf
+   of any other Contributor, and only if You agree to indemnify,
+   defend, and hold each Contributor harmless for any liability
+   incurred by, or claims asserted against, such Contributor by reason
+   of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS

Readme.md

@@ -1,146 +1,2 @@
-------
-**DISCLAIMER: This project is very much a Work In Progress. We are making it accessible in this very early state so that participants in the [2023 Wheel Reinvention Jam](https://handmade.network/jam/2023) can try it out and possibly use it as their jamming platform. Expect bugs, missing and/or incomplete features, unstable APIs, and sparse documentation. Some current issues might be a show stopper for you, so make sure you can build and run the sample apps before jumping in.**
+**This repository is not used anymore. Development of Orca was moved here: [https://github.com/orca-app/orca](https://github.com/orca-app/orca)**
 
-**If you do choose to try out Orca anyway, thank you! We'll do our best to answer your questions, and we'd really appreciate your feedback!**
-
-------
-
-# Orca
-
-![Example Orca apps](doc/images/orca-apps-lg.webp)
-
-Orca is a development platform and runtime environment for cross-platform, sandboxed graphical WebAssembly applications. In this early MVP you can:
-
-- Receive mouse and keyboard input.
-- Draw paths, images and text using a 2D vector graphics API.
-- Draw 2D/3D graphics using OpenGL ES 3.1 (minus a few features)
-- Build user interfaces using our UI API and default widgets.
-- Read and write files using a capability-based API.
-
-To learn more about the project and its goals, read the [announcement post](https://orca-app.dev/posts/230607/orca_announcement.html).
-
-## Installing
-
-The Orca command-line tools must be installed to your system in order to use them in your own projects.
-
-**At this early stage, you must build Orca yourself - in the future, there will be fewer dependencies and this installation process will be streamlined.**
-
-### Requirements
-
-- Windows or Mac (Linux is not yet supported)
-- [Python 3.8](https://www.python.org/) or newer (for command line tools)
-- Clang (version 11.0 or newer)
-	- **Windows users:** `clang` can be installed via the Visual Studio installer. Search for "C++ Clang Compiler".
-	- **Mac users:** Apple's built-in `clang` does not support WebAssembly. We recommend installing `clang` via [Homebrew](https://brew.sh/) with `brew install llvm`.
-- MSVC (Visual Studio 2022 17.5 or newer) (Windows only)
-	- This can be installed through the [Visual Studio Community](https://visualstudio.microsoft.com/) installer. Ensure that your Visual Studio installation includes "Desktop development with C++".
-	- Please note the version requirement! Orca requires C11 atomics, which were only added to MSVC in late 2022.
-- Xcode command-line tools (Mac only)
-	- These can be installed with `xcode-select --install`.
-
-### Installation instructions
-
-**Windows users:** You must perform all the following actions from a 64-bit Visual Studio command prompt. We recommend searching for "x64 Native Tools Command Prompt".
-
-Clone the repo, then `cd` into the `orca` directory:
-
-```
-git clone https://git.handmade.network/hmn/orca.git
-cd orca
-```
-
-Build the Orca runtime:
-
-```
-python orca dev build-runtime
-```
-
-Install the Orca dev tools. If on Windows, the tool can automatically add `orca` to your PATH. Otherwise, you must manually add the Orca install directory to your PATH, e.g. by updating `.zshrc` or `.bashrc`.
-
-```
-python orca dev install
-```
-
-Finally, verify that Orca is successfully installed by running the `orca version` command. Note the lack of `./`!
-
-```
-orca version
-```
-
-If you encounter any errors, see the FAQ below.
-
-Once the `orca` tools are installed and on your PATH, you can use them from anywhere.
-
-### Building the sample Orca apps
-
-The `samples` directory contains several sample apps that demonstrate various Orca features. To build one, `cd` to a sample project's directory and run its build script. For example, for the `breakout` sample:
-
-```
-cd samples/breakout
-# Windows
-build.bat
-# Mac
-./build.sh
-```
-
-On Windows this creates a `Breakout` directory in `samples/breakout`. You can launch the app by running `Breakout/bin/Breakout.exe`. On macOS this creates a `Breakout.app` bundle in `samples/breakout` that you can double-click to run.
-
-## Writing an Orca app
-
-Orca apps are WebAssembly modules that use the Orca APIs. The process for creating an Orca application is:
-
-1. Compile a WebAssembly module using your language and toolchain of choice.
-2. Bundle the WebAssembly module into a native executable using the Orca command-line tools.
-
-For a more thorough overview, please read the [Quick Start Guide](./doc/QuickStart.md), which will walk you through building a simple application.
-
-The following additional resources may also help you familiarize yourself with Orca and its APIs:
-
-- The [samples folder](./samples) contains sample applications that show various aspects of the Orca API and core library:
-	- [`breakout`](./samples/breakout) is a small breakout game making use of the vector graphics API.
-	- [`clock`](./samples/clock) is a simple clock showcasing vector graphics and the time API.
-	- [`triangle`](./samples/triangle) shows how to draw a spinning triangle using the GLES API.
-	- [`fluid`](./samples/fluid) is a fluid simulation using a more complex GLES setup.
-	- [`ui`](./samples/ui) showcases the UI API and Orca's default UI widgets.  
-- The [API Cheatsheets](./doc/cheatsheets) provide a list of Orca API functions, grouped by topic.
-
-## FAQ
-
-**What platforms does Orca support?**
-
-We currently support Windows 10 and up, and macOS 10.15 and up. We plan to expand to more platforms in the future.
-
-**What languages can I use with Orca?**
-
-In principle, you can use any language and toolchain that can produce a WebAssembly module and bind to the Orca APIs. However, several important parts of Orca, such as the UI, are provided as part of the core library, which must be compiled to WebAssembly with your app, and is written in C. Therefore, at this early stage, it may be difficult to use any language other than C.
-
-C-style C++ is possible but requires compiling the core library in C as a separate object file, and then adding that object to your compile command when building your app.
-
-We're currently working with contributors to add support for Odin and Zig, and we look forward to expanding the number of officially-supported languages in the future. 
-
-**Which WebAssembly features does Orca support?**
-
-We currently use [wasm3](https://github.com/wasm3/wasm3) for our interpreter. We therefore support whatever features wasm3 supports. In practice this means all WebAssembly 1.0 features, bulk memory operations, and a couple other small features.
-
-**I am getting "unsupported OS" errors when building on Windows.**
-
-You are likely running from the wrong kind of Visual Studio command prompt. Search for "x64 Native Tools Command Prompt" or run `vcvarsall.bat` with `x64` for the architecture.
-
-To verify that you are in the correct type of command prompt, simply run `cl` with no arguments, and verify that you are building for x64.
-
-**I am getting errors about atomics when building the runtime on Windows.**
-
-Please ensure that you have the latest version of Visual Studio and MSVC installed. The Orca runtime requires the use of C11 atomics, which were not added to MSVC until late 2022.
-
-**I am getting errors saying that `orca` is not found.**
-
-Please ensure that you have installed Orca to your system per the installation instructions above. Please also ensure that the Orca install directory is on your PATH. The installation path is printed when running `./orca dev install`.
-
-## License
-
-Orca is distributed under the terms of the GNU Affero General Public License version 3, with additional terms in accordance with section 7 of AGPLv3. These additional terms ensure that:
-
-- Modified versions of Orca must reasonably inform users that they are modified.
-- You can distribute your application's WebAssembly modules under the terms of your choice, and are not required to license them under the terms of the AGPLv3.
-
-Copyright and License details can be found in [LICENSE.txt](./LICENSE.txt)

samples/breakout/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: compile wasm module
+:: common flags to build wasm modules
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,7 +27,13 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
-if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
+:: build orca core as wasm module
+clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
+:: build sample as wasm module and link it with the orca module
+clang %wasmFlags% -L . -lorca -o module.wasm src/main.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+
+:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name Breakout --icon icon.png --resource-dir data module.wasm

samples/breakout/build.sh

@@ -15,6 +15,7 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
+# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -26,6 +27,11 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
+# build orca core as wasm module
+clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
 
+# build sample as wasm module and link it with the orca module
+clang $wasmFlags -L . -lorca -o module.wasm src/main.c
+
+# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Breakout --icon icon.png --resource-dir data module.wasm

samples/clock/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: compile wasm module
+:: common flags to build wasm modules
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,7 +27,13 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
-if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
+:: build orca core as wasm module
+clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
+:: build sample as wasm module and link it with the orca module
+clang %wasmFlags% -L . -lorca -o module.wasm src/main.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+
+:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name Clock --icon icon.png --resource-dir data module.wasm

samples/clock/build.sh

@@ -15,6 +15,7 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
+# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -26,6 +27,11 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
+# build orca core as wasm module
+clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
 
+# build sample as wasm module and link it with the orca module
+clang $wasmFlags -L . -lorca -o module.wasm src/main.c
+
+# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Clock --icon icon.png --resource-dir data module.wasm

samples/fluid/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: compile wasm module
+:: common flags to build wasm modules
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,6 +27,10 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
+:: build orca core as wasm module
+clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+
 set shaders=src/shaders/advect.glsl^
 	src/shaders/blit_div_fragment.glsl^
 	src/shaders/blit_div_vertex.glsl^
@@ -45,7 +49,9 @@ set shaders=src/shaders/advect.glsl^
 call python ../../scripts/embed_text_files.py --prefix=glsl_ --output src/glsl_shaders.h %shaders%
 if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
-if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
+:: build sample as wasm module and link it with the orca module
+clang %wasmFlags% -L . -lorca -o .\module.wasm src\main.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir %ORCA_DIR% --name Fluid --icon icon.png module.wasm
+:: create app directory and copy files into it
+orca bundle --orca-dir %ORCA_DIR% --name Fluid --icon icon.png module.wasm

samples/fluid/build.sh

@@ -17,6 +17,7 @@ STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 python3 ../../scripts/embed_text_files.py --prefix=glsl_ --output src/glsl_shaders.h src/shaders/*.glsl
 
+# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -28,6 +29,11 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
+# build orca core as wasm module
+clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
 
+# build sample as wasm module and link it with the orca module
+clang $wasmFlags -L . -lorca -o module.wasm src/main.c
+
+# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Fluid --icon icon.png module.wasm

samples/fluid/src/main.c

@@ -140,6 +140,7 @@ frame_buffer divBuffer[4];
 GLuint vertexBuffer;
 
 oc_surface surface;
+f64 startTime;
 
 //----------------------------------------------------------------
 //NOTE(martin): initialization
@@ -403,6 +404,7 @@ typedef struct mouse_input
 } mouse_input;
 
 mouse_input mouseInput = { 0 };
+bool mouseWasDown = false;
 
 int frameWidth = 800;
 int frameHeight = 600;
@@ -410,6 +412,7 @@ int frameHeight = 600;
 ORCA_EXPORT void oc_on_mouse_down(int button)
 {
     mouseInput.down = true;
+    mouseWasDown = true;
 }
 
 ORCA_EXPORT void oc_on_mouse_up(int button)
@@ -577,23 +580,56 @@ void multigrid_clear(frame_buffer* error)
 
 void input_splat(float t)
 {
-    //NOTE: apply force and dye
-    if(mouseInput.down && (mouseInput.deltaX || mouseInput.deltaY))
+    bool applySplat = false;
+    float x, y, deltaX, deltaY;
+    static f64 lastFrameTime = 0;
+    if (lastFrameTime == 0)
+    {
+        lastFrameTime = startTime;
+    }
+    f64 now = oc_clock_time(OC_CLOCK_MONOTONIC);
+    float frameDuration = now - lastFrameTime;
+    lastFrameTime = now;
+
+    if (mouseInput.down && (mouseInput.deltaX || mouseInput.deltaY))
     {
         oc_vec2 scaling = oc_surface_contents_scaling(surface);
+        applySplat = true;
+        x = mouseInput.x * scaling.x / frameWidth;
+        y = mouseInput.y * scaling.y / frameHeight;
+        deltaX = 1. / 60 / frameDuration * mouseInput.deltaX * scaling.x / frameWidth;
+        deltaY = 1. / 60 / frameDuration * mouseInput.deltaY * scaling.y / frameHeight;
+        mouseInput.deltaX = 0;
+        mouseInput.deltaY = 0;
+    }
+
+    f64 timeSinceStart = now - startTime;
+    if (!mouseWasDown && timeSinceStart < 1)
+    {
+        applySplat = true;
+        float totalDeltaX = 0.5;
+        x = 0.1 + totalDeltaX * timeSinceStart;
+        y = 0.5;
+        deltaX = totalDeltaX / 180;
+        deltaY = 0;
+    }
+
+    //NOTE: apply force and dye
+    if(applySplat)
+    {
         // account for margin
         float margin = 32;
 
         float offset = margin / texWidth;
         float ratio = 1 - 2 * margin / texWidth;
 
-        float splatPosX = (mouseInput.x * scaling.x / frameWidth) * ratio + offset;
-        float splatPosY = (1 - mouseInput.y * scaling.y / frameHeight) * ratio + offset;
+        float splatPosX = x * ratio + offset;
+        float splatPosY = (1 - y) * ratio + offset;
 
-        float splatVelX = (10000. * DELTA * mouseInput.deltaX * scaling.x / frameWidth) * ratio;
-        float splatVelY = (-10000. * DELTA * mouseInput.deltaY * scaling.y / frameWidth) * ratio;
+        float splatVelX = (10000. * DELTA * deltaX) * ratio;
+        float splatVelY = (-10000. * DELTA * deltaY) * ratio;
 
-        float intensity = 100 * sqrtf(square(ratio * mouseInput.deltaX * scaling.x / frameWidth) + square(ratio * mouseInput.deltaY * scaling.y / frameHeight));
+        float intensity = 100 * sqrtf(square(ratio * deltaX) + square(ratio * deltaY));
 
         float r = intensity * (sinf(2 * M_PI * 0.1 * t) + 1);
         float g = 0.5 * intensity * (cosf(2 * M_PI * 0.1 / M_E * t + 654) + 1);
@@ -602,9 +638,6 @@ void input_splat(float t)
         float radius = 0.005;
 
         apply_splat(splatPosX, splatPosY, radius, splatVelX, splatVelY, r, g, b, false);
-
-        mouseInput.deltaX = 0;
-        mouseInput.deltaY = 0;
     }
 }
 
@@ -677,6 +710,8 @@ ORCA_EXPORT void oc_on_init()
             testDiv[i][j][0] = 0.5 + 0.5 * cosf(j / 100. * 3.14159 + i / 100. * 1.2139);
         }
     }
+
+    startTime = oc_clock_time(OC_CLOCK_MONOTONIC);
 }
 
 ORCA_EXPORT void oc_on_resize(u32 width, u32 height)

samples/triangle/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: compile wasm module
+:: common flags to build wasm modules
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,7 +27,13 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
-if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
+:: build orca core as wasm module
+clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir %ORCA_DIR% --name Triangle module.wasm
+:: build sample as wasm module and link it with the orca module
+clang %wasmFlags% -L . -lorca -o module.wasm src/main.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+
+:: create app directory and copy files into it
+orca bundle --orca-dir %ORCA_DIR% --name Triangle --icon icon.png module.wasm

samples/triangle/build.sh

@@ -15,6 +15,7 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
+# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -26,6 +27,11 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
+# build orca core as wasm module
+clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
 
+# build sample as wasm module and link it with the orca module
+clang $wasmFlags -L . -lorca -o module.wasm src/main.c
+
+# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Triangle module.wasm

samples/ui/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: compile wasm module
+:: common flags to build wasm modules
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,7 +27,13 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
-if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
+:: build orca core as wasm module
+clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
+:: build sample as wasm module and link it with the orca module
+clang %wasmFlags% -L . -lorca -o .\module.wasm src\main.c
+IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+
+:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name UI --resource-dir data module.wasm

samples/ui/build.sh

@@ -15,6 +15,7 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
+# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -26,6 +27,11 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
+# build orca core as wasm module
+clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
 
+# build sample as wasm module and link it with the orca module
+clang $wasmFlags -L . -lorca -o module.wasm src/main.c
+
+# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name UI --resource-dir data module.wasm

scripts/bindgen.py

@@ -5,292 +5,298 @@ import json
 
 
 def needs_arg_ptr_stub(decl):
-	res = (decl['ret']['tag'] == 'S')
-	for arg in decl['args']:
-		if arg['type']['tag'] == 'S':
-			res = True
-	return(res)
+    res = (decl['ret']['tag'] == 'S')
+    for arg in decl['args']:
+        if arg['type']['tag'] == 'S':
+            res = True
+    return(res)
 
 def printError(str):
-	# This prints a string with a red foreground color.
-	# See this link for an explanation of console escape codes: https://stackabuse.com/how-to-print-colored-text-in-python/
-	print("\x1b[38;5;196m" + "error: " + str + "\033[0;0m")
+    # This prints a string with a red foreground color.
+    # See this link for an explanation of console escape codes: https://stackabuse.com/how-to-print-colored-text-in-python/
+    print("\x1b[38;5;196m" + "error: " + str + "\033[0;0m")
 
 
 def bindgen(apiName, spec, **kwargs):
-	guest_stubs_path = kwargs.get("guest_stubs")
-	guest_include = kwargs.get("guest_include")
-	wasm3_bindings_path = kwargs.get("wasm3_bindings")
+    guest_stubs_path = kwargs.get("guest_stubs")
+    guest_include = kwargs.get("guest_include")
+    wasm3_bindings_path = kwargs.get("wasm3_bindings")
 
-	if guest_stubs_path == None:
-		guest_stubs_path = 'bindgen_' + apiName + '_guest_stubs.c'
-	if wasm3_bindings_path == None:
-		wasm3_bindings_path = 'bindgen_' + apiName + '_wasm3_bindings.c'
+    if guest_stubs_path == None:
+        guest_stubs_path = 'bindgen_' + apiName + '_guest_stubs.c'
+    if wasm3_bindings_path == None:
+        wasm3_bindings_path = 'bindgen_' + apiName + '_wasm3_bindings.c'
 
-	host_bindings = open(wasm3_bindings_path, 'w')
-	guest_bindings = None
+    host_bindings = open(wasm3_bindings_path, 'w')
+    guest_bindings = None
 
-	specFile = open(spec, 'r')
-	data = json.load(specFile)
+    specFile = open(spec, 'r')
+    data = json.load(specFile)
 
-	for decl in data:
-		if needs_arg_ptr_stub(decl):
-			guest_bindings = open(guest_stubs_path, 'w')
-			if guest_include != None:
-				s = '#include"' + guest_include + '"\n\n'
-				print(s, file=guest_bindings)
-			break
+    for decl in data:
+        if needs_arg_ptr_stub(decl):
+            guest_bindings = open(guest_stubs_path, 'w')
+            if guest_include != None:
+                s = '#include"' + guest_include + '"\n\n'
+                print(s, file=guest_bindings)
+            break
 
-	for decl in data:
+    for decl in data:
 
-		name = decl['name']
-		cname = decl.get('cname', name)
+        name = decl['name']
+        cname = decl.get('cname', name)
 
-		if needs_arg_ptr_stub(decl):
-			argPtrStubName = name + '_argptr_stub'
-			# pointer arg stub declaration
-			s = ''
-			if decl['ret']['tag'] == 'S':
-				s += 'void'
-			else:
-				s += decl['ret']['name']
+        if needs_arg_ptr_stub(decl):
+            argPtrStubName = name + '_argptr_stub'
+            # pointer arg stub declaration
+            s = ''
+            if decl['ret']['tag'] == 'S':
+                s += 'void'
+            else:
+                s += decl['ret']['name']
 
-			s += ' ORCA_IMPORT(' + argPtrStubName + ') ('
+            s += ' ORCA_IMPORT(' + argPtrStubName + ') ('
 
-			if decl['ret']['tag'] == 'S':
-				s += decl['ret']['name'] + '* __retArg'
-				if len(decl['args']) > 0:
-					s += ', '
+            if decl['ret']['tag'] == 'S':
+                s += decl['ret']['name'] + '* __retArg'
+                if len(decl['args']) > 0:
+                    s += ', '
+            elif len(decl['args']) == 0:
+                s += 'void'
 
-			for i, arg in enumerate(decl['args']):
-				s += arg['type']['name']
-				if arg['type']['tag'] == 'S':
-					s += '*'
-				s += ' ' + arg['name']
-				if i+1 < len(decl['args']):
-					s += ', '
-			s += ');\n\n'
+            for i, arg in enumerate(decl['args']):
+                s += arg['type']['name']
+                if arg['type']['tag'] == 'S':
+                    s += '*'
+                s += ' ' + arg['name']
+                if i+1 < len(decl['args']):
+                    s += ', '
+            s += ');\n\n'
 
-			# forward function to pointer arg stub declaration
-			s += decl['ret']['name'] + ' ' + name + '('
-			for i, arg in enumerate(decl['args']):
-				s += arg['type']['name'] + ' ' + arg['name']
-				if i+1 < len(decl['args']):
-					s += ', '
-			s += ')\n'
-			s += '{\n'
-			s += '\t'
-			if decl['ret']['tag'] == 'S':
-				s += decl['ret']['name'] + ' __ret;\n\t'
-			elif decl['ret']['tag'] != 'v':
-				s += decl['ret']['name']
-				s += ' __ret = '
-			s += argPtrStubName + '('
+            # forward function to pointer arg stub declaration
+            s += decl['ret']['name'] + ' ' + name + '('
 
-			if decl['ret']['tag'] == 'S':
-				s += '&__ret'
-				if len(decl['args']) > 0:
-					s += ', '
+            if len(decl['args']) == 0:
+                s += 'void'
 
-			for i, arg in enumerate(decl['args']):
-				if arg['type']['tag'] == 'S':
-					s += '&'
+            for i, arg in enumerate(decl['args']):
+                s += arg['type']['name'] + ' ' + arg['name']
+                if i+1 < len(decl['args']):
+                    s += ', '
+            s += ')\n'
+            s += '{\n'
+            s += '\t'
+            if decl['ret']['tag'] == 'S':
+                s += decl['ret']['name'] + ' __ret;\n\t'
+            elif decl['ret']['tag'] != 'v':
+                s += decl['ret']['name']
+                s += ' __ret = '
+            s += argPtrStubName + '('
 
-				s += arg['name']
-				if i+1 < len(decl['args']):
-					s += ', '
-			s += ');\n'
-			if decl['ret']['tag'] != 'v':
-				s += '\treturn(__ret);\n'
-			s += '}\n\n'
+            if decl['ret']['tag'] == 'S':
+                s += '&__ret'
+                if len(decl['args']) > 0:
+                    s += ', '
 
-			print(s, file=guest_bindings)
+            for i, arg in enumerate(decl['args']):
+                if arg['type']['tag'] == 'S':
+                    s += '&'
 
-		# host-side stub
-		s = 'const void* ' + cname + '_stub(IM3Runtime runtime, IM3ImportContext _ctx, uint64_t* _sp, void* _mem)'
+                s += arg['name']
+                if i+1 < len(decl['args']):
+                    s += ', '
+            s += ');\n'
+            if decl['ret']['tag'] != 'v':
+                s += '\treturn(__ret);\n'
+            s += '}\n\n'
 
-		gen_stub = decl.get('gen_stub', True)
-		if gen_stub == False:
-			s += ';\n\n'
-		else:
-			s += '\n{\n'
+            print(s, file=guest_bindings)
+
+        # host-side stub
+        s = 'const void* ' + cname + '_stub(IM3Runtime runtime, IM3ImportContext _ctx, uint64_t* _sp, void* _mem)'
+
+        gen_stub = decl.get('gen_stub', True)
+        if gen_stub == False:
+            s += ';\n\n'
+        else:
+            s += '\n{\n'
 
 
-			# NOTE: check and cast arguments
-			retTag = decl['ret']['tag']
+            # NOTE: check and cast arguments
+            retTag = decl['ret']['tag']
 
-			firstArgIndex = 0
-			if retTag != 'v':
-				firstArgIndex = 1
+            firstArgIndex = 0
+            if retTag != 'v':
+                firstArgIndex = 1
 
-				if retTag == 'S':
-					retTypeName = decl['ret']['name']
-					retTypeCName = decl['ret'].get('cname', retTypeName)
-					s += retTypeCName + '* __retPtr = (' + retTypeCName + '*)((char*)_mem + *(i32*)&_sp[0]);\n'
+                if retTag == 'S':
+                    retTypeName = decl['ret']['name']
+                    retTypeCName = decl['ret'].get('cname', retTypeName)
+                    s += retTypeCName + '* __retPtr = (' + retTypeCName + '*)((char*)_mem + *(i32*)&_sp[0]);\n'
 
-					s += '\t{\n'
-					s += '\t\tOC_ASSERT(((char*)__retPtr >= (char*)_mem) && (((char*)__retPtr - (char*)_mem) < m3_GetMemorySize(runtime)), "return pointer is out of bounds");\n'
-					s += '\t\tOC_ASSERT((char*)__retPtr + sizeof(' + retTypeCName + ') <= ((char*)_mem + m3_GetMemorySize(runtime)), "return pointer is out of bounds");\n'
-					s += '\t}\n'
+                    s += '\t{\n'
+                    s += '\t\tOC_ASSERT(((char*)__retPtr >= (char*)_mem) && (((char*)__retPtr - (char*)_mem) < m3_GetMemorySize(runtime)), "return pointer is out of bounds");\n'
+                    s += '\t\tOC_ASSERT((char*)__retPtr + sizeof(' + retTypeCName + ') <= ((char*)_mem + m3_GetMemorySize(runtime)), "return pointer is out of bounds");\n'
+                    s += '\t}\n'
 
-			for argIndex, arg in enumerate(decl['args']):
+            for argIndex, arg in enumerate(decl['args']):
 
-				argName = arg['name']
-				typeName = arg['type']['name']
-				typeCName = arg['type'].get('cname', typeName)
-				argTag = arg['type']['tag']
+                argName = arg['name']
+                typeName = arg['type']['name']
+                typeCName = arg['type'].get('cname', typeName)
+                argTag = arg['type']['tag']
 
-				s += '\t'
+                s += '\t'
 
-				if argTag == 'i':
-					s += typeCName + ' ' + argName + ' = ('+typeCName+')*(i32*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
-				elif argTag == 'I':
-					s += typeCName + ' ' + argName + ' = ('+typeCName+')*(i64*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
-				elif argTag == 'f':
-					s += typeCName + ' ' + argName + ' = ('+typeCName+')*(f32*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
-				elif argTag == 'F':
-					s += typeCName + ' ' + argName + ' = ('+typeCName+')*(f64*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
-				elif argTag == 'p':
-					s += typeCName + ' ' + argName + ' = ('+ typeCName +')((char*)_mem + *(u32*)&_sp[' + str(firstArgIndex + argIndex) + ']);\n'
-				elif argTag == 'S':
-					s += typeCName + ' ' + argName + ' = *('+ typeCName +'*)((char*)_mem + *(u32*)&_sp[' + str(firstArgIndex + argIndex) + ']);\n'
-				else:
-					print('unrecognized type ' + c + ' in procedure signature\n')
-					break
+                if argTag == 'i':
+                    s += typeCName + ' ' + argName + ' = ('+typeCName+')*(i32*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
+                elif argTag == 'I':
+                    s += typeCName + ' ' + argName + ' = ('+typeCName+')*(i64*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
+                elif argTag == 'f':
+                    s += typeCName + ' ' + argName + ' = ('+typeCName+')*(f32*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
+                elif argTag == 'F':
+                    s += typeCName + ' ' + argName + ' = ('+typeCName+')*(f64*)&_sp[' + str(firstArgIndex + argIndex) + '];\n'
+                elif argTag == 'p':
+                    s += typeCName + ' ' + argName + ' = ('+ typeCName +')((char*)_mem + *(u32*)&_sp[' + str(firstArgIndex + argIndex) + ']);\n'
+                elif argTag == 'S':
+                    s += typeCName + ' ' + argName + ' = *('+ typeCName +'*)((char*)_mem + *(u32*)&_sp[' + str(firstArgIndex + argIndex) + ']);\n'
+                else:
+                    print('unrecognized type ' + c + ' in procedure signature\n')
+                    break
 
-			# check pointer arg length
-			for arg in decl['args']:
+            # check pointer arg length
+            for arg in decl['args']:
 
-				argName = arg['name']
-				typeName = arg['type']['name']
-				typeCName = arg['type'].get('cname', typeName)
-				argTag = arg['type']['tag']
-				argLen = arg.get('len')
+                argName = arg['name']
+                typeName = arg['type']['name']
+                typeCName = arg['type'].get('cname', typeName)
+                argTag = arg['type']['tag']
+                argLen = arg.get('len')
 
-				if argTag == 'p':
-					if argLen == None:
-						printError("binding '" + name + "' missing pointer length decoration for param '" + argName + "'")
-					else:
-						s += '\t{\n'
-						s += '\t\tOC_ASSERT(((char*)'+ argName + ' >= (char*)_mem) && (((char*)'+ argName +' - (char*)_mem) < m3_GetMemorySize(runtime)), "parameter \''+argName+'\' is out of bounds");\n'
-						s += '\t\tOC_ASSERT((char*)' + argName + ' + '
+                if argTag == 'p':
+                    if argLen == None:
+                        printError("binding '" + name + "' missing pointer length decoration for param '" + argName + "'")
+                    else:
+                        s += '\t{\n'
+                        s += '\t\tOC_ASSERT(((char*)'+ argName + ' >= (char*)_mem) && (((char*)'+ argName +' - (char*)_mem) < m3_GetMemorySize(runtime)), "parameter \''+argName+'\' is out of bounds");\n'
+                        s += '\t\tOC_ASSERT((char*)' + argName + ' + '
 
-						proc = argLen.get('proc')
-						if proc != None:
-							s += proc + '(runtime, '
-							lenProcArgs = argLen['args']
-							for i, lenProcArg in enumerate(lenProcArgs):
-								s += lenProcArg
-								if i < len(lenProcArgs)-1:
-									s += ', '
-							s += ')'
-						else:
-							components =  argLen.get('components')
-							countArg = argLen.get('count')
+                        proc = argLen.get('proc')
+                        if proc != None:
+                            s += proc + '(runtime, '
+                            lenProcArgs = argLen['args']
+                            for i, lenProcArg in enumerate(lenProcArgs):
+                                s += lenProcArg
+                                if i < len(lenProcArgs)-1:
+                                    s += ', '
+                            s += ')'
+                        else:
+                            components =  argLen.get('components')
+                            countArg = argLen.get('count')
 
-							if components != None:
-								s += str(components)
-								if countArg != None:
-									s += '*'
-							if countArg != None:
-								s += countArg
+                            if components != None:
+                                s += str(components)
+                                if countArg != None:
+                                    s += '*'
+                            if countArg != None:
+                                s += countArg
 
-						if typeCName.endswith('**') or (typeCName.startswith('void') == False and typeCName.startswith('const void') == False):
-							s += '*sizeof('+typeCName[:-1]+')'
+                        if typeCName.endswith('**') or (typeCName.startswith('void') == False and typeCName.startswith('const void') == False):
+                            s += '*sizeof('+typeCName[:-1]+')'
 
-						s += ' <= ((char*)_mem + m3_GetMemorySize(runtime)), "parameter \''+argName+'\' is out of bounds");\n'
-						s += '\t}\n'
+                        s += ' <= ((char*)_mem + m3_GetMemorySize(runtime)), "parameter \''+argName+'\' is out of bounds");\n'
+                        s += '\t}\n'
 
-			s += '\t'
+            s += '\t'
 
-			if retTag == 'i':
-				s += '*((i32*)&_sp[0]) = (i32)'
-			elif retTag == 'I':
-				s += '*((i64*)&_sp[0]) = (i64)'
-			elif retTag == 'f':
-				s += '*((f32*)&_sp[0]) = (f32)'
-			elif retTag == 'F':
-				s += '*((f64*)&_sp[0]) = (f64)'
-			elif retTag == 'S':
-				s += '*__retPtr = '
-			elif retTag == 'p':
-				print("Warning: " + name + ": pointer return type not supported yet")
+            if retTag == 'i':
+                s += '*((i32*)&_sp[0]) = (i32)'
+            elif retTag == 'I':
+                s += '*((i64*)&_sp[0]) = (i64)'
+            elif retTag == 'f':
+                s += '*((f32*)&_sp[0]) = (f32)'
+            elif retTag == 'F':
+                s += '*((f64*)&_sp[0]) = (f64)'
+            elif retTag == 'S':
+                s += '*__retPtr = '
+            elif retTag == 'p':
+                print("Warning: " + name + ": pointer return type not supported yet")
 
-			s += cname + '('
+            s += cname + '('
 
-			for i, arg in enumerate(decl['args']):
-				s += arg['name']
+            for i, arg in enumerate(decl['args']):
+                s += arg['name']
 
-				if i+1 < len(decl['args']):
-					s += ', '
+                if i+1 < len(decl['args']):
+                    s += ', '
 
-			s += ');\n\treturn(0);\n}\n\n'
+            s += ');\n\treturn(0);\n}\n\n'
 
-		print(s, file=host_bindings)
+        print(s, file=host_bindings)
 
-	# link function
-	s = 'int bindgen_link_' + apiName + '_api(IM3Module module)\n{\n'
-	s += '	M3Result res;\n'
-	s += '	int ret = 0;\n'
+    # link function
+    s = 'int bindgen_link_' + apiName + '_api(IM3Module module)\n{\n'
+    s += '  M3Result res;\n'
+    s += '  int ret = 0;\n'
 
-	for decl in data:
-		name = decl['name']
-		cname = decl.get('cname', name)
+    for decl in data:
+        name = decl['name']
+        cname = decl.get('cname', name)
 
-		if needs_arg_ptr_stub(decl):
-			name = name + '_argptr_stub'
+        if needs_arg_ptr_stub(decl):
+            name = name + '_argptr_stub'
 
-		m3Sig = ''
-		if decl['ret']['tag'] == 'S':
-			m3Sig += 'v'
-		else:
-			m3Sig += decl['ret']['tag']
+        m3Sig = ''
+        if decl['ret']['tag'] == 'S':
+            m3Sig += 'v'
+        else:
+            m3Sig += decl['ret']['tag']
 
-		m3Sig += '('
-		if decl['ret']['tag'] == 'S':
-			m3Sig += 'i'
-		for arg in decl['args']:
-			tag = arg['type']['tag']
-			if tag == 'p' or tag == 'S':
-				tag = 'i'
-			m3Sig += tag
-		m3Sig += ')'
+        m3Sig += '('
+        if decl['ret']['tag'] == 'S':
+            m3Sig += 'i'
+        for arg in decl['args']:
+            tag = arg['type']['tag']
+            if tag == 'p' or tag == 'S':
+                tag = 'i'
+            m3Sig += tag
+        m3Sig += ')'
 
 
-		s += '	res = m3_LinkRawFunction(module, "*", "' + name + '", "' + m3Sig + '", ' + cname + '_stub);\n'
-		s += '	if(res != m3Err_none && res != m3Err_functionLookupFailed)\n'
-		s += '	{\n'
-		s += '		oc_log_error("Couldn\'t link function ' + name + ' (%s)\\n", res);\n'
-		s += '		ret = -1;\n'
-		s += '	}\n\n'
+        s += '  res = m3_LinkRawFunction(module, "*", "' + name + '", "' + m3Sig + '", ' + cname + '_stub);\n'
+        s += '  if(res != m3Err_none && res != m3Err_functionLookupFailed)\n'
+        s += '  {\n'
+        s += '      oc_log_error("Couldn\'t link function ' + name + ' (%s)\\n", res);\n'
+        s += '      ret = -1;\n'
+        s += '  }\n\n'
 
-	s += '\treturn(ret);\n}\n'
+    s += '\treturn(ret);\n}\n'
 
-	print(s, file=host_bindings)
+    print(s, file=host_bindings)
 
 
 if __name__ == "__main__":
-	parser = ArgumentParser(prog='bindgen.py')
-	parser.add_argument('api')
-	parser.add_argument('spec')
-	parser.add_argument('-g', '--guest-stubs')
-	parser.add_argument('--guest-include')
-	parser.add_argument('--wasm3-bindings')
+    parser = ArgumentParser(prog='bindgen.py')
+    parser.add_argument('api')
+    parser.add_argument('spec')
+    parser.add_argument('-g', '--guest-stubs')
+    parser.add_argument('--guest-include')
+    parser.add_argument('--wasm3-bindings')
 
-	args = parser.parse_args()
+    args = parser.parse_args()
 
-	apiName = args.api
-	spec = args.spec
-	guest_stubs_path = args.guest_stubs
-	if guest_stubs_path == None:
-		guest_stubs_path = 'bindgen_' + apiName + '_guest_stubs.c'
+    apiName = args.api
+    spec = args.spec
+    guest_stubs_path = args.guest_stubs
+    if guest_stubs_path == None:
+        guest_stubs_path = 'bindgen_' + apiName + '_guest_stubs.c'
 
-	wasm3_bindings_path = args.wasm3_bindings
-	if wasm3_bindings_path == None:
-		wasm3_bindings_path = 'bindgen_' + apiName + '_wasm3_bindings.c'
+    wasm3_bindings_path = args.wasm3_bindings
+    if wasm3_bindings_path == None:
+        wasm3_bindings_path = 'bindgen_' + apiName + '_wasm3_bindings.c'
 
-	bindgen(apiName, spec,
-		guest_stubs=guest_stubs_path,
-		guest_include=args.guest_include,
-		wasm3_bindings=wasm3_bindings_path,
-	)
+    bindgen(apiName, spec,
+        guest_stubs=guest_stubs_path,
+        guest_include=args.guest_include,
+        wasm3_bindings=wasm3_bindings_path,
+    )

src/app/app.c

@@ -188,7 +188,7 @@ oc_key_code oc_scancode_to_keycode(oc_scan_code scanCode)
     return (oc_appData.keyMap[scanCode]);
 }
 
-#define OC_DEFAULT_KEYMAP_ENTRY(sc, sv, ...) [(int) sc] = (oc_key_code)sc,
+#define OC_DEFAULT_KEYMAP_ENTRY(sc, sv, kc, ...) [(int) sc] = OC_VA_NOPT(sv, ##__VA_ARGS__) __VA_ARGS__,
 
 oc_key_code oc_defaultKeyMap[OC_SCANCODE_COUNT] = {
     OC_KEY_TABLE(OC_DEFAULT_KEYMAP_ENTRY)

src/graphics/graphics.h

@@ -110,8 +110,8 @@ ORCA_API void oc_surface_set_hidden(oc_surface surface, bool hidden);
 
 #else
 
-ORCA_API oc_surface oc_surface_canvas(); //DOC: creates a surface for use with the canvas API
-ORCA_API oc_surface oc_surface_gles();   //DOC: create a surface for use with GLES API
+ORCA_API oc_surface oc_surface_canvas(void); //DOC: creates a surface for use with the canvas API
+ORCA_API oc_surface oc_surface_gles(void);   //DOC: create a surface for use with GLES API
 
 #endif
 

src/platform/platform_debug.c

@@ -50,7 +50,7 @@ void oc_log_ext(oc_log_level level,
     {
         va_list ap;
         va_start(ap, fmt);
-        platform_log_push(__logConfig.output, level, file, function, line, fmt, ap);
+        platform_log_push(__logConfig.output, level, function, file, line, fmt, ap);
         va_end(ap);
     }
 }

src/runtime.c

@@ -356,8 +356,8 @@ void log_entry_ui(oc_debug_overlay* overlay, log_entry* entry)
 
             oc_str8 loc = oc_str8_pushf(scratch.arena,
                                         "%.*s() in %.*s:%i:",
-                                        oc_str8_ip(entry->file),
                                         oc_str8_ip(entry->function),
+                                        oc_str8_ip(entry->file),
                                         entry->line);
             oc_ui_label_str8(loc);
         }

src/util/memory.c

@@ -13,27 +13,27 @@
 #if OC_PLATFORM_ORCA
 enum
 {
-    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 20
+    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 20,
 };
 #else
 enum
 {
-    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 30
+    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 30,
 };
 #endif
 
 enum
 {
-    OC_ARENA_COMMIT_ALIGNMENT = 4 << 10
+    OC_ARENA_COMMIT_ALIGNMENT = 4 << 10,
 };
 
 //--------------------------------------------------------------------------------
 //NOTE(martin): memory arena
 //--------------------------------------------------------------------------------
 
-oc_arena_chunk* oc_arena_chunk_alloc(oc_arena* arena, u64 reserveSize)
+oc_arena_chunk* oc_arena_chunk_alloc(oc_arena* arena, u64 chunkMinSize)
 {
-    reserveSize = oc_align_up_pow2(reserveSize, OC_ARENA_COMMIT_ALIGNMENT);
+    u64 reserveSize = oc_align_up_pow2(chunkMinSize + sizeof(oc_arena_chunk), OC_ARENA_COMMIT_ALIGNMENT);
     u64 commitSize = oc_align_up_pow2(sizeof(oc_arena_chunk), OC_ARENA_COMMIT_ALIGNMENT);
 
     char* mem = oc_base_reserve(arena->base, reserveSize);
@@ -77,18 +77,25 @@ void oc_arena_cleanup(oc_arena* arena)
 }
 
 void* oc_arena_push(oc_arena* arena, u64 size)
+{
+    return oc_arena_push_aligned(arena, size, 1);
+}
+
+void* oc_arena_push_aligned(oc_arena* arena, u64 size, u32 alignment)
 {
     oc_arena_chunk* chunk = arena->currentChunk;
     OC_ASSERT(chunk);
 
-    u64 nextOffset = chunk->offset + size;
+    u64 alignedOffset = oc_align_up_pow2(chunk->offset, alignment);
+    u64 nextOffset = alignedOffset + size;
     u64 lastCap = chunk->cap;
     while(nextOffset > chunk->cap)
     {
         chunk = oc_list_next_entry(arena->chunks, chunk, oc_arena_chunk, listElt);
         if(chunk)
         {
-            nextOffset = chunk->offset + size;
+            alignedOffset = oc_align_up_pow2(chunk->offset, alignment);
+            nextOffset = alignedOffset + size;
             lastCap = chunk->cap;
         }
         else
@@ -98,10 +105,11 @@ void* oc_arena_push(oc_arena* arena, u64 size)
     }
     if(!chunk)
     {
-        u64 reserveSize = oc_max(lastCap * 1.5, size);
+        u64 chunkMinSize = oc_max(lastCap * 1.5, size + alignment);
 
-        chunk = oc_arena_chunk_alloc(arena, reserveSize);
-        nextOffset = chunk->offset + size;
+        chunk = oc_arena_chunk_alloc(arena, chunkMinSize);
+        alignedOffset = oc_align_up_pow2(chunk->offset, alignment);
+        nextOffset = alignedOffset + size;
     }
     OC_ASSERT(nextOffset <= chunk->cap);
 
@@ -115,8 +123,8 @@ void* oc_arena_push(oc_arena* arena, u64 size)
         oc_base_commit(arena->base, chunk->ptr + chunk->committed, commitSize);
         chunk->committed = nextCommitted;
     }
-    char* p = chunk->ptr + chunk->offset;
-    chunk->offset += size;
+    char* p = chunk->ptr + alignedOffset;
+    chunk->offset = nextOffset;
 
     return (p);
 }

src/util/memory.h

@@ -55,13 +55,14 @@ ORCA_API void oc_arena_init_with_options(oc_arena* arena, oc_arena_options* opti
 ORCA_API void oc_arena_cleanup(oc_arena* arena);
 
 ORCA_API void* oc_arena_push(oc_arena* arena, u64 size);
+ORCA_API void* oc_arena_push_aligned(oc_arena* arena, u64 size, u32 alignment);
 ORCA_API void oc_arena_clear(oc_arena* arena);
 
 ORCA_API oc_arena_scope oc_arena_scope_begin(oc_arena* arena);
 ORCA_API void oc_arena_scope_end(oc_arena_scope scope);
 
-#define oc_arena_push_type(arena, type) ((type*)oc_arena_push(arena, sizeof(type)))
-#define oc_arena_push_array(arena, type, count) ((type*)oc_arena_push(arena, sizeof(type) * (count)))
+#define oc_arena_push_type(arena, type) ((type*)oc_arena_push_aligned(arena, sizeof(type), _Alignof(type)))
+#define oc_arena_push_array(arena, type, count) ((type*)oc_arena_push_aligned(arena, sizeof(type) * (count), _Alignof(type)))
 
 //--------------------------------------------------------------------------------
 //NOTE(martin): memory pool