Commit of work up to day 11 of learnopengl.com.

This commit is contained in:
Zed A. Shaw 2026-08-21 13:15:55 -04:00
commit 5ce5b4dda4
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.*.sw*
.DS_Store
*.sqlite3
*.sqlite3-wal
*.sqlite3-shm
debug
coverage/
.coverage
builddir
subprojects

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set makeprg=meson\ compile\ -C\ .

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#ifndef __khrplatform_h_
#define __khrplatform_h_
/*
** Copyright (c) 2008-2018 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are 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 Materials.
**
** THE MATERIALS ARE 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
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/* Khronos platform-specific types and definitions.
*
* The master copy of khrplatform.h is maintained in the Khronos EGL
* Registry repository at https://github.com/KhronosGroup/EGL-Registry
* The last semantic modification to khrplatform.h was at commit ID:
* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
*
* Adopters may modify this file to suit their platform. Adopters are
* encouraged to submit platform specific modifications to the Khronos
* group so that they can be included in future versions of this file.
* Please submit changes by filing pull requests or issues on
* the EGL Registry repository linked above.
*
*
* See the Implementer's Guidelines for information about where this file
* should be located on your system and for more details of its use:
* http://www.khronos.org/registry/implementers_guide.pdf
*
* This file should be included as
* #include <KHR/khrplatform.h>
* by Khronos client API header files that use its types and defines.
*
* The types in khrplatform.h should only be used to define API-specific types.
*
* Types defined in khrplatform.h:
* khronos_int8_t signed 8 bit
* khronos_uint8_t unsigned 8 bit
* khronos_int16_t signed 16 bit
* khronos_uint16_t unsigned 16 bit
* khronos_int32_t signed 32 bit
* khronos_uint32_t unsigned 32 bit
* khronos_int64_t signed 64 bit
* khronos_uint64_t unsigned 64 bit
* khronos_intptr_t signed same number of bits as a pointer
* khronos_uintptr_t unsigned same number of bits as a pointer
* khronos_ssize_t signed size
* khronos_usize_t unsigned size
* khronos_float_t signed 32 bit floating point
* khronos_time_ns_t unsigned 64 bit time in nanoseconds
* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
* nanoseconds
* khronos_stime_nanoseconds_t signed time interval in nanoseconds
* khronos_boolean_enum_t enumerated boolean type. This should
* only be used as a base type when a client API's boolean type is
* an enum. Client APIs which use an integer or other type for
* booleans cannot use this as the base type for their boolean.
*
* Tokens defined in khrplatform.h:
*
* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
*
* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
*
* Calling convention macros defined in this file:
* KHRONOS_APICALL
* KHRONOS_APIENTRY
* KHRONOS_APIATTRIBUTES
*
* These may be used in function prototypes as:
*
* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
* int arg1,
* int arg2) KHRONOS_APIATTRIBUTES;
*/
#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
# define KHRONOS_STATIC 1
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APICALL
*-------------------------------------------------------------------------
* This precedes the return type of the function in the function prototype.
*/
#if defined(KHRONOS_STATIC)
/* If the preprocessor constant KHRONOS_STATIC is defined, make the
* header compatible with static linking. */
# define KHRONOS_APICALL
#elif defined(_WIN32)
# define KHRONOS_APICALL __declspec(dllimport)
#elif defined (__SYMBIAN32__)
# define KHRONOS_APICALL IMPORT_C
#elif defined(__ANDROID__)
# define KHRONOS_APICALL __attribute__((visibility("default")))
#else
# define KHRONOS_APICALL
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIENTRY
*-------------------------------------------------------------------------
* This follows the return type of the function and precedes the function
* name in the function prototype.
*/
#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
/* Win32 but not WinCE */
# define KHRONOS_APIENTRY __stdcall
#else
# define KHRONOS_APIENTRY
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIATTRIBUTES
*-------------------------------------------------------------------------
* This follows the closing parenthesis of the function prototype arguments.
*/
#if defined (__ARMCC_2__)
#define KHRONOS_APIATTRIBUTES __softfp
#else
#define KHRONOS_APIATTRIBUTES
#endif
/*-------------------------------------------------------------------------
* basic type definitions
*-----------------------------------------------------------------------*/
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
/*
* Using <stdint.h>
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
/*
* To support platform where unsigned long cannot be used interchangeably with
* inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
* Ideally, we could just use (u)intptr_t everywhere, but this could result in
* ABI breakage if khronos_uintptr_t is changed from unsigned long to
* unsigned long long or similar (this results in different C++ name mangling).
* To avoid changes for existing platforms, we restrict usage of intptr_t to
* platforms where the size of a pointer is larger than the size of long.
*/
#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
#define KHRONOS_USE_INTPTR_T
#endif
#endif
#elif defined(__VMS ) || defined(__sgi)
/*
* Using <inttypes.h>
*/
#include <inttypes.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
/*
* Win32
*/
typedef __int32 khronos_int32_t;
typedef unsigned __int32 khronos_uint32_t;
typedef __int64 khronos_int64_t;
typedef unsigned __int64 khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(__sun__) || defined(__digital__)
/*
* Sun or Digital
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#if defined(__arch64__) || defined(_LP64)
typedef long int khronos_int64_t;
typedef unsigned long int khronos_uint64_t;
#else
typedef long long int khronos_int64_t;
typedef unsigned long long int khronos_uint64_t;
#endif /* __arch64__ */
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif 0
/*
* Hypothetical platform with no float or int64 support
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#define KHRONOS_SUPPORT_INT64 0
#define KHRONOS_SUPPORT_FLOAT 0
#else
/*
* Generic fallback
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#endif
/*
* Types that are (so far) the same on all platforms
*/
typedef signed char khronos_int8_t;
typedef unsigned char khronos_uint8_t;
typedef signed short int khronos_int16_t;
typedef unsigned short int khronos_uint16_t;
/*
* Types that differ between LLP64 and LP64 architectures - in LLP64,
* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
* to be the only LLP64 architecture in current use.
*/
#ifdef KHRONOS_USE_INTPTR_T
typedef intptr_t khronos_intptr_t;
typedef uintptr_t khronos_uintptr_t;
#elif defined(_WIN64)
typedef signed long long int khronos_intptr_t;
typedef unsigned long long int khronos_uintptr_t;
#else
typedef signed long int khronos_intptr_t;
typedef unsigned long int khronos_uintptr_t;
#endif
#if defined(_WIN64)
typedef signed long long int khronos_ssize_t;
typedef unsigned long long int khronos_usize_t;
#else
typedef signed long int khronos_ssize_t;
typedef unsigned long int khronos_usize_t;
#endif
#if KHRONOS_SUPPORT_FLOAT
/*
* Float type
*/
typedef float khronos_float_t;
#endif
#if KHRONOS_SUPPORT_INT64
/* Time types
*
* These types can be used to represent a time interval in nanoseconds or
* an absolute Unadjusted System Time. Unadjusted System Time is the number
* of nanoseconds since some arbitrary system event (e.g. since the last
* time the system booted). The Unadjusted System Time is an unsigned
* 64 bit value that wraps back to 0 every 584 years. Time intervals
* may be either signed or unsigned.
*/
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
typedef khronos_int64_t khronos_stime_nanoseconds_t;
#endif
/*
* Dummy value used to pad enum types to 32 bits.
*/
#ifndef KHRONOS_MAX_ENUM
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
#endif
/*
* Enumerated boolean type
*
* Values other than zero should be considered to be true. Therefore
* comparisons should not be made against KHRONOS_TRUE.
*/
typedef enum {
KHRONOS_FALSE = 0,
KHRONOS_TRUE = 1,
KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
} khronos_boolean_enum_t;
#endif /* __khrplatform_h_ */

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MIT No Attribution
Copyright <YEAR> <COPYRIGHT HOLDER>
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.
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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all: build
reset:
powershell -executionpolicy bypass .\scripts\reset_build.ps1
build:
meson compile -j 4 -C builddir
release_build:
meson --wipe builddir -Db_ndebug=true --buildtype release
meson compile -j 4 -C builddir
debug_build:
meson setup --wipe builddir -Db_ndebug=true --buildtype debugoptimized
meson compile -j 4 -C builddir
run: test
./builddir/hellogl.exe
test: build
./builddir/fuc2it
debug_test: build
gdb --nx -x .gdbinit --ex run --args builddir/fuc2it.exe
debug_run: build
gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/hellogl.exe
clean:
meson compile --clean -C builddir

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project('hellogl', 'cpp',
version: '0.1.0',
default_options: [
'cpp_std=c++23',
'cpp_args=-D_GLIBCXX_DEBUG=1 -D_GLIBCXX_DEBUG_PEDANTIC=1',
])
# use this for common options only for our executables
cpp_args=[
'-Wno-unused-parameter',
'-Wno-unused-function',
'-Wno-unused-variable',
'-Wno-unused-but-set-variable',
'-Wno-deprecated-declarations',
]
link_args=[]
# these are passed as override_defaults
exe_defaults = [ 'warning_level=2' ]
cc = meson.get_compiler('cpp')
dependencies = []
if build_machine.system() == 'windows'
add_global_link_arguments(
'-static-libgcc',
'-static-libstdc++',
'-static',
'-lstdc++exp',
language: 'cpp',
)
opengl32 = cc.find_library('opengl32', required: true)
winmm = cc.find_library('winmm', required: true)
gdi32 = cc.find_library('gdi32', required: true)
dependencies += [
opengl32, winmm, gdi32
]
exe_defaults += ['werror=true']
elif build_machine.system() == 'darwin'
add_global_link_arguments(
language: 'cpp',
)
opengl = dependency('OpenGL')
corefoundation = dependency('CoreFoundation')
carbon = dependency('Carbon')
cocoa = dependency('Cocoa')
iokit = dependency('IOKit')
corevideo = dependency('CoreVideo')
link_args += ['-ObjC']
exe_defaults += ['werror=false']
dependencies += [
opengl, corefoundation, carbon, cocoa, iokit, corevideo
]
endif
glfw3 = subproject('glfw').get_variable('glfw_dep')
fuc2 = subproject('fuc2').get_variable('fuc2_dep')
fmt = subproject('fmt').get_variable('fmt_dep')
dependencies += [
glfw3, fuc2, fmt
]
inc_dirs = ['src']
sources = [
'glad/glad.cpp',
'src/dbc.cpp',
'src/stb_image.cpp',
'src/shader.cpp',
]
subdir('tests')
executable('fuc2it', sources + fuc2_tests,
cpp_args: cpp_args,
link_args: link_args,
include_directories: inc_dirs,
override_options: exe_defaults,
dependencies: dependencies + [fuc2])
executable('hellogl',
sources + [ 'src/main.cpp' ],
cpp_args: cpp_args,
include_directories: inc_dirs,
link_args: link_args,
override_options: exe_defaults,
dependencies: dependencies)

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mv .\subprojects\packagecache .
rm -recurse -force .\subprojects\,.\builddir\
mkdir subprojects
mv .\packagecache .\subprojects\
mkdir builddir
cp wraps\*.wrap subprojects\
meson setup --default-library=static --prefer-static builddir

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#!/usr/bin/env bash
mv -f ./subprojects/packagecache .
rm -rf subprojects builddir
mkdir subprojects
mv -f packagecache ./subprojects/ && true
mkdir builddir
cp wraps/*.wrap subprojects/
# on OSX you can't do this with static
meson setup --default-library=static --prefer-static builddir

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mkdir builddir
mkdir subprojects
cp wraps/*.wrap subprojects
meson setup -Ddefault_library=static builddir

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#!/usr/bin/env bash
set -ex
mkdir subprojects
mkdir builddir
cp wraps/*.wrap subprojects/
meson setup builddir

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#!/usr/bin/env bash
set -e
fswatch -o *.cpp | while read num
do echo ">>>>>>>>>>>>>>>>>>>>>> `date`"
if meson compile -C builddir
then
./builddir/sfmldemo
else
echo "^^^^^^^^^^^^^^^^^^^^^ ERROR `date`"
fi
done

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function Test-WinUtilPackageManager {
<#
.SYNOPSIS
Checks if Winget and/or Choco are installed
.PARAMETER winget
Check if Winget is installed
.PARAMETER choco
Check if Chocolatey is installed
#>
Param(
[System.Management.Automation.SwitchParameter]$winget,
[System.Management.Automation.SwitchParameter]$choco
)
$status = "not-installed"
if ($winget) {
# Check if Winget is available while getting it's Version if it's available
$wingetExists = $true
try {
$wingetVersionFull = winget --version
} catch [System.Management.Automation.CommandNotFoundException], [System.Management.Automation.ApplicationFailedException] {
Write-Warning "Winget was not found due to un-availablity reasons"
$wingetExists = $false
} catch {
Write-Warning "Winget was not found due to un-known reasons, The Stack Trace is:`n$($psitem.Exception.StackTrace)"
$wingetExists = $false
}
# If Winget is available, Parse it's Version and give proper information to Terminal Output.
# If it isn't available, the return of this funtion will be "not-installed", indicating that
# Winget isn't installed/available on The System.
if ($wingetExists) {
# Check if Preview Version
if ($wingetVersionFull.Contains("-preview")) {
$wingetVersion = $wingetVersionFull.Trim("-preview")
$wingetPreview = $true
} else {
$wingetVersion = $wingetVersionFull
$wingetPreview = $false
}
# Check if Winget's Version is too old.
$wingetCurrentVersion = [System.Version]::Parse($wingetVersion.Trim('v'))
# Grabs the latest release of Winget from the Github API for version check process.
$response = Invoke-RestMethod -Uri "https://api.github.com/repos/microsoft/Winget-cli/releases/latest" -Method Get -ErrorAction Stop
$wingetLatestVersion = [System.Version]::Parse(($response.tag_name).Trim('v')) #Stores version number of latest release.
$wingetOutdated = $wingetCurrentVersion -lt $wingetLatestVersion
Write-Host "===========================================" -ForegroundColor Green
Write-Host "--- Winget is installed ---" -ForegroundColor Green
Write-Host "===========================================" -ForegroundColor Green
Write-Host "Version: $wingetVersionFull" -ForegroundColor White
if (!$wingetPreview) {
Write-Host " - Winget is a release version." -ForegroundColor Green
} else {
Write-Host " - Winget is a preview version. Unexpected problems may occur." -ForegroundColor Yellow
}
if (!$wingetOutdated) {
Write-Host " - Winget is Up to Date" -ForegroundColor Green
$status = "installed"
}
else {
Write-Host " - Winget is Out of Date" -ForegroundColor Red
$status = "outdated"
}
} else {
Write-Host "===========================================" -ForegroundColor Red
Write-Host "--- Winget is not installed ---" -ForegroundColor Red
Write-Host "===========================================" -ForegroundColor Red
$status = "not-installed"
}
}
if ($choco) {
if ((Get-Command -Name choco -ErrorAction Ignore) -and ($chocoVersion = (Get-Item "$env:ChocolateyInstall\choco.exe" -ErrorAction Ignore).VersionInfo.ProductVersion)) {
Write-Host "===========================================" -ForegroundColor Green
Write-Host "--- Chocolatey is installed ---" -ForegroundColor Green
Write-Host "===========================================" -ForegroundColor Green
Write-Host "Version: v$chocoVersion" -ForegroundColor White
$status = "installed"
} else {
Write-Host "===========================================" -ForegroundColor Red
Write-Host "--- Chocolatey is not installed ---" -ForegroundColor Red
Write-Host "===========================================" -ForegroundColor Red
$status = "not-installed"
}
}
return $status
}
function Get-WinUtilWingetPrerequisites {
<#
.SYNOPSIS
Downloads the Winget Prereqs.
.DESCRIPTION
Downloads Prereqs for Winget. Version numbers are coded as variables and can be updated as uncommonly as Microsoft updates the prereqs.
#>
# I don't know of a way to detect the prereqs automatically, so if someone has a better way of defining these, that would be great.
# Microsoft.VCLibs version rarely changes, but for future compatibility I made it a variable.
$versionVCLibs = "14.00"
$fileVCLibs = "https://aka.ms/Microsoft.VCLibs.x64.${versionVCLibs}.Desktop.appx"
# Write-Host "$fileVCLibs"
# Microsoft.UI.Xaml version changed recently, so I made the version numbers variables.
$versionUIXamlMinor = "2.8"
$versionUIXamlPatch = "2.8.6"
$fileUIXaml = "https://github.com/microsoft/microsoft-ui-xaml/releases/download/v${versionUIXamlPatch}/Microsoft.UI.Xaml.${versionUIXamlMinor}.x64.appx"
# Write-Host "$fileUIXaml"
Try{
Write-Host "Downloading Microsoft.VCLibs Dependency..."
Invoke-WebRequest -Uri $fileVCLibs -OutFile $ENV:TEMP\Microsoft.VCLibs.x64.Desktop.appx
Write-Host "Downloading Microsoft.UI.Xaml Dependency...`n"
Invoke-WebRequest -Uri $fileUIXaml -OutFile $ENV:TEMP\Microsoft.UI.Xaml.x64.appx
}
Catch{
throw [WingetFailedInstall]::new('Failed to install prerequsites')
}
}
function Get-WinUtilWingetLatest {
<#
.SYNOPSIS
Uses GitHub API to check for the latest release of Winget.
.DESCRIPTION
This function grabs the latest version of Winget and returns the download path to Install-WinUtilWinget for installation.
#>
# Invoke-WebRequest is notoriously slow when the byte progress is displayed. The following lines disable the progress bar and reset them at the end of the function
$PreviousProgressPreference = $ProgressPreference
$ProgressPreference = "silentlyContinue"
Try{
# Grabs the latest release of Winget from the Github API for the install process.
$response = Invoke-RestMethod -Uri "https://api.github.com/repos/microsoft/Winget-cli/releases/latest" -Method Get -ErrorAction Stop
$latestVersion = $response.tag_name #Stores version number of latest release.
$licenseWingetUrl = $response.assets.browser_download_url | Where-Object {$_ -like "*License1.xml"} #Index value for License file.
Write-Host "Latest Version:`t$($latestVersion)`n"
Write-Host "Downloading..."
$assetUrl = $response.assets.browser_download_url | Where-Object {$_ -like "*Microsoft.DesktopAppInstaller_8wekyb3d8bbwe.msixbundle"}
Invoke-WebRequest -Uri $licenseWingetUrl -OutFile $ENV:TEMP\License1.xml
# The only pain is that the msixbundle for winget-cli is 246MB. In some situations this can take a bit, with slower connections.
Invoke-WebRequest -Uri $assetUrl -OutFile $ENV:TEMP\Microsoft.DesktopAppInstaller.msixbundle
}
Catch{
throw [WingetFailedInstall]::new('Failed to get latest Winget release and license')
}
$ProgressPreference = $PreviousProgressPreference
}
function Install-WinUtilWinget {
<#
.SYNOPSIS
Installs Winget if it is not already installed.
.DESCRIPTION
This function will download the latest version of Winget and install it. If Winget is already installed, it will do nothing.
#>
$isWingetInstalled = Test-WinUtilPackageManager -winget
Try {
if ($isWingetInstalled -eq "installed") {
Write-Host "`nWinget is already installed.`r" -ForegroundColor Green
return
} elseif ($isWingetInstalled -eq "outdated") {
Write-Host "`nWinget is Outdated. Continuing with install.`r" -ForegroundColor Yellow
} else {
Write-Host "`nWinget is not Installed. Continuing with install.`r" -ForegroundColor Red
}
# Gets the computer's information
if ($null -eq $sync.ComputerInfo){
$ComputerInfo = Get-ComputerInfo -ErrorAction Stop
} else {
$ComputerInfo = $sync.ComputerInfo
}
if (($ComputerInfo.WindowsVersion) -lt "1809") {
# Checks if Windows Version is too old for Winget
Write-Host "Winget is not supported on this version of Windows (Pre-1809)" -ForegroundColor Red
return
}
# Install Winget via GitHub method.
# Used part of my own script with some modification: ruxunderscore/windows-initialization
Write-Host "Downloading Winget Prerequsites`n"
Get-WinUtilWingetPrerequisites
Write-Host "Downloading Winget and License File`r"
Get-WinUtilWingetLatest
Write-Host "Installing Winget w/ Prerequsites`r"
Add-AppxProvisionedPackage -Online -PackagePath $ENV:TEMP\Microsoft.DesktopAppInstaller.msixbundle -DependencyPackagePath $ENV:TEMP\Microsoft.VCLibs.x64.Desktop.appx, $ENV:TEMP\Microsoft.UI.Xaml.x64.appx -LicensePath $ENV:TEMP\License1.xml
Write-Host "Manually adding Winget Sources, from Winget CDN."
Add-AppxPackage -Path https://cdn.winget.microsoft.com/cache/source.msix #Seems some installs of Winget don't add the repo source, this should makes sure that it's installed every time.
Write-Host "Winget Installed" -ForegroundColor Green
Write-Host "Enabling NuGet and Module..."
Install-PackageProvider -Name NuGet -Force
Install-Module -Name Microsoft.WinGet.Client -Force
# Winget only needs a refresh of the environment variables to be used.
Write-Output "Refreshing Environment Variables...`n"
$ENV:PATH = [System.Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path", "User")
} Catch {
Write-Host "Failure detected while installing via GitHub method. Continuing with Chocolatey method as fallback." -ForegroundColor Red
# In case install fails via GitHub method.
Try {
# Install Choco if not already present
Install-WinUtilChoco
Start-Process -Verb runas -FilePath powershell.exe -ArgumentList "choco install winget-cli"
Write-Host "Winget Installed" -ForegroundColor Green
Write-Output "Refreshing Environment Variables...`n"
$ENV:PATH = [System.Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path", "User")
} Catch {
throw [WingetFailedInstall]::new('Failed to install!')
}
}
}
$isAdmin = [System.Security.Principal.WindowsPrincipal]::new(
[System.Security.Principal.WindowsIdentity]::GetCurrent()).
IsInRole('Administrators')
if(-not $isAdmin) {
$params = @{
FilePath = 'powershell' # or pwsh if Core
Verb = 'RunAs'
ArgumentList = @(
'-ExecutionPolicy ByPass'
'-File "{0}"' -f $PSCommandPath
)
}
Start-Process -Wait @params
Write-Host "Admin stuff done..."
} else {
Write-Host "In Admin stuff..."
Install-WinUtilWinget
return
}
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','chocolatey'
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','Git.Git'
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','Microsoft.WindowsTerminal'
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','Python.Python.3.12'
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','AntibodySoftware.WizFile'
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','Kitware.CMake'
Start-Process -NoNewWindow -Wait winget -ArgumentList 'install','Microsoft.VCRedist.2015+.x64'
Start-Process -Verb RunAs -Wait powershell -argumentlist 'C:\ProgramData\chocolatey\bin\choco.exe','install','geany','geany-plugins','winlibs','conan','meson'

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#version 330 core
out vec4 FragColor;
in vec3 ourColor;
void main()
{
FragColor = vec4(ourColor, 1.0);
}

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#version 330 core
layout (location = 0) in vec3 aPos; // the position variable has attribute position 0
layout (location = 1) in vec3 aColor;
out vec3 ourColor;
void main()
{
gl_Position = vec4(aPos, 1.0); // see how we directly give a vec3 to vec4's constructor
ourColor = aColor;
}

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#version 330 core
out vec4 FragColor;
in vec3 ourColor;
in vec2 TexCoord;
uniform sampler2D texture1;
uniform sampler2D texture2;
void main()
{
FragColor = mix(texture(texture1, TexCoord), texture(texture2, TexCoord), 0.2);
}

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#version 330 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aColor;
layout (location = 2) in vec2 aTexCoord;
out vec3 ourColor;
out vec2 TexCoord;
void main()
{
gl_Position = vec4(aPos, 1.0);
ourColor = aColor;
TexCoord = aTexCoord;
}

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03-textures/src/dbc.cpp Normal file
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#include "dbc.hpp"
#include <iostream>
void dbc::log(const string &message, const std::source_location location) {
std::cout << '[' << location.file_name() << ':'
<< location.line() << "|"
<< location.function_name() << "] "
<< message << std::endl;
}
void dbc::sentinel(const string &message, const std::source_location location) {
string err = $F("[SENTINEL!] {}", message);
dbc::log(err, location);
throw dbc::SentinelError(err);
}
void dbc::pre(const string &message, bool test, const std::source_location location) {
if(!test) {
string err = $F("[PRE!] {}", message);
dbc::log(err, location);
throw dbc::PreCondError(err);
}
}
void dbc::pre(const string &message, std::function<bool()> tester, const std::source_location location) {
dbc::pre(message, tester(), location);
}
void dbc::post(const string &message, bool test, const std::source_location location) {
if(!test) {
string err = $F("[POST!] {}", message);
dbc::log(err, location);
throw dbc::PostCondError(err);
}
}
void dbc::post(const string &message, std::function<bool()> tester, const std::source_location location) {
dbc::post(message, tester(), location);
}
void dbc::check(bool test, const string &message, const std::source_location location) {
if(!test) {
string err = $F("[CHECK!] {}\n", message);
dbc::log(err, location);
throw dbc::CheckError(err);
}
}

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03-textures/src/dbc.hpp Normal file
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#pragma once
#include <string>
#include <fmt/core.h>
#include <functional>
#include <source_location>
// AKA the Fuckit macro
#define $F(FMT, ...) fmt::format(FMT, ##__VA_ARGS__)
namespace dbc {
using std::string;
using CheckError = std::runtime_error;
using SentinelError = std::runtime_error;
using PreCondError = std::runtime_error;
using PostCondError = std::runtime_error;
void log(const string &message,
const std::source_location location =
std::source_location::current());
[[noreturn]] void sentinel(const string &message,
const std::source_location location =
std::source_location::current());
void pre(const string &message, bool test,
const std::source_location location =
std::source_location::current());
void pre(const string &message, std::function<bool()> tester,
const std::source_location location =
std::source_location::current());
void post(const string &message, bool test,
const std::source_location location =
std::source_location::current());
void post(const string &message, std::function<bool()> tester,
const std::source_location location =
std::source_location::current());
void check(bool test, const string &message,
const std::source_location location =
std::source_location::current());
}

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#define _USE_MATH_DEFINES
#include <math.h>
#include "dbc.hpp"
#include <print>
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <vector>
#include <functional>
#include "shader.hpp"
#include <stb_image.h>
void framebuffer_size_callback(GLFWwindow *window, int width, int height);
void processInput(GLFWwindow *window);
const unsigned int SCR_WIDTH = 800;
const unsigned int SCR_HEIGHT = 600;
struct Config {
Shader shader;
unsigned int VAO = 0;
unsigned int VBO = 0;
unsigned int EBO = 0;
unsigned int texture1 = 0;
unsigned int texture2 = 0;
};
void init_glfw() {
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
}
void framebuffer_size_callback(GLFWwindow *, int width, int height) {
glViewport(0, 0, width, height);
}
GLFWwindow* create_window() {
GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, "LearnOpenGL", NULL, NULL);
dbc::check(window != NULL, "failed to open window");
glfwMakeContextCurrent(window);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
auto good = gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);
dbc::check(good, "failed to load GLAD");
return window;
}
void processInput(GLFWwindow *window) {
if(glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
glfwSetWindowShouldClose(window, true);
}
}
unsigned int load_texture(const std::string& image_file) {
unsigned int texture_id;
glGenTextures(1, &texture_id);
glBindTexture(GL_TEXTURE_2D, texture_id);
// set the texture wrapping parameters
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
// set texture filtering parameters
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
int width = 0;
int height = 0;
int nrChannels = 0;
stbi_set_flip_vertically_on_load(true);
unsigned char *data = stbi_load(image_file.c_str(), &width, &height, &nrChannels, 0);
dbc::check(data != nullptr, std::format("Failed to load texture: {}", image_file));
dbc::check(nrChannels == 3 || nrChannels == 4,
std::format("Image {} has invalid channels {} should be 3 or 4.", image_file, nrChannels));
auto rgb_or_a = nrChannels == 3 ? GL_RGB : GL_RGBA;
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, rgb_or_a, GL_UNSIGNED_BYTE, data);
glGenerateMipmap(GL_TEXTURE_2D);
stbi_image_free(data);
return texture_id;
}
Config setup() {
Config config{{"shaders/4.2.texture.vs", "shaders/4.2.texture.fs"}};
float vertices[] = {
// positions // colors // texture coords
0.5f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top right
0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom right
-0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom left
-0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f // top left
};
unsigned int indices[] = {
0, 1, 3, // first triangle
1, 2, 3 // second triangle
};
unsigned int VBO = 0;
unsigned int VAO = 0;
unsigned int EBO = 0;
glGenVertexArrays(1, &VAO);
glGenBuffers(1, &VBO);
glGenBuffers(1, &EBO);
glBindVertexArray(VAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
glEnableVertexAttribArray(2);
config.texture1 = load_texture("resources/textures/container.jpg");
config.texture2 = load_texture("resources/textures/awesomeface.png");
config.shader.use();
glUniform1i(glGetUniformLocation(config.shader.ID, "texture1"), 0);
config.shader.setInt("texture2", 1);
config.VAO = VAO;
config.VBO = VBO;
config.EBO = EBO;
return config;
}
void render(GLFWwindow* window, const Config& config) {
glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, config.texture1);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, config.texture2);
config.shader.use();
glBindVertexArray(config.VAO);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
glfwSwapBuffers(window);
glfwPollEvents();
}
void cleanup(Config& config) {
glDeleteVertexArrays(1, &config.VAO);
glDeleteBuffers(1, &config.VAO);
glDeleteBuffers(1, &config.VBO);
glDeleteBuffers(1, &config.EBO);
config.shader.cleanup();
}
int main() {
init_glfw();
auto window = create_window();
auto config = setup();
while(!glfwWindowShouldClose(window)) {
processInput(window);
render(window, config);
}
cleanup(config);
glfwTerminate();
return 0;
}

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#include "shader.hpp"
#include <iostream>
#include <fstream>
#include <sstream>
#include <print>
#include <filesystem>
#include "dbc.hpp"
namespace fs = std::filesystem;
inline std::string read_file(const std::string& filename) {
// load the file
std::ifstream in_file{filename, std::ios::binary};
// get the size of the file
std::stringstream in_str;
in_str << in_file.rdbuf();
return in_str.str();
}
void check_error(const std::string& what, unsigned int thing, GLenum check_type) {
int success = 0;
char infoLog[512] = {0};
if(check_type == GL_LINK_STATUS) {
glGetProgramiv(thing, check_type, &success);
if(!success) {
glGetProgramInfoLog(thing, 512, NULL, infoLog);
dbc::sentinel(std::format("ERROR: Program {} compile failed: {}", what, infoLog));
}
} else {
glGetShaderiv(thing, check_type, &success);
if(!success) {
glGetShaderInfoLog(thing, 512, NULL, infoLog);
dbc::sentinel(std::format("ERROR: Shader {} compile failed: {}", what, infoLog));
}
}
}
unsigned int Shader::load_shader(const std::string& filename, GLenum shader_type) {
dbc::check(fs::exists(filename),
std::format("shader file {} does not exist", filename));
// create the shader
std::string shader_code = read_file(filename);
const char* shader_code_ptr = shader_code.c_str();
int shader_id = glCreateShader(shader_type);
glShaderSource(shader_id, 1, &shader_code_ptr, NULL);
glCompileShader(shader_id);
check_error(filename, shader_id, GL_COMPILE_STATUS);
// check compile error
return shader_id;
}
Shader::Shader(const char* vertexPath, const char* fragmentPath) {
unsigned int vertex = load_shader(vertexPath, GL_VERTEX_SHADER);
unsigned int fragment = load_shader(fragmentPath, GL_FRAGMENT_SHADER);
ID = glCreateProgram();
glAttachShader(ID, vertex);
glAttachShader(ID, fragment);
glLinkProgram(ID);
check_error("link", ID, GL_LINK_STATUS);
glDeleteShader(vertex);
glDeleteShader(fragment);
}
void Shader::use() const {
glUseProgram(ID);
}
void Shader::cleanup() {
glDeleteProgram(ID);
}
void Shader::setBool(const std::string &name, bool value) const {
auto uniform = glGetUniformLocation(ID, name.c_str());
glUniform1i(uniform, (int)value);
}
void Shader::setInt(const std::string &name, int value) const {
auto uniform = glGetUniformLocation(ID, name.c_str());
glUniform1i(uniform, value);
}
void Shader::setFloat(const std::string &name, float value) const {
auto uniform = glGetUniformLocation(ID, name.c_str());
glUniform1f(uniform, value);
}
void Shader::setVec4(const std::string &name, float v1, float v2, float v3, float v4) const {
auto uniform = glGetUniformLocation(ID, name.c_str());
glUniform4f(uniform, v1, v2, v3, v4);
}

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#pragma once
#include <glad/glad.h>
#include <string>
#include <climits>
class Shader
{
public:
unsigned int ID = UINT_MAX;
Shader(const char* vertexPath, const char* fragmentPath);
unsigned int load_shader(const std::string& filename, GLenum shader_type);
void use() const;
void setBool(const std::string &name, bool value) const;
void setInt(const std::string &name, int value) const;
void setFloat(const std::string &name, float value) const;
void setVec4(const std::string &name, float v1, float v2, float v3, float v4) const;
void cleanup();
};

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#define STB_IMAGE_IMPLEMENTATION
#include <stb_image.h>

7988
03-textures/src/stb_image.h Normal file

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#version 330 core
layout (location = 0) in vec3 aPos; // the position variable has attribute position 0
out vec4 vertexColor; // specify a color output to the fragment shader
void main()
// syntax error here
gl_Position = vec4(aPos, 1.0); // see how we directly give a vec3 to vec4's constructor
vertexColor = vec4(0.5, 0.0, 0.0, 1.0); // set the output variable to a dark-red color
}

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#include <fuc2/run.hpp>
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include "dbc.hpp"
TEST_SET(shader_tests);
using namespace fuc2;
int main(int argc, char* argv[]) {
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(800, 600, "LearnOpenGL", NULL, NULL);
if (window == NULL)
{
dbc::log("Failed to create GLFW window");
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
// glad: load all OpenGL function pointers
// ---------------------------------------
if(!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
{
dbc::log("Failed to initialize GLAD");
return -1;
}
std::vector<fuc2::Set> tests{
shader_tests::TESTS
};
return run_tests(tests, argc, argv);
}

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fuc2_tests = files(
'main.cpp',
'shader_tests.cpp',
)

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#include <deque>
#include <string>
#include <fuc2/testing.hpp>
#include "shader.hpp"
using namespace fuc2;
namespace shader_tests {
void test_load_shaders() {
Shader shader("shaders/3.3.shader.vs", "shaders/3.3.shader.fs");
shader.use();
CHECK(shader.ID != UINT_MAX, "Shader not initialized");
}
void test_compile_fail() {
auto runner = [&]() {
Shader shader("tests/bad_shader.vs", "shaders/3.3.shader.fs");
};
BLOWS_UP(runner, "compile fail should blow up");
}
fuc2::Set TESTS{
.name="shaders",
.options={ .fail_fast=false },
.tests={
TEST(test_load_shaders),
TEST(test_compile_fail),
}
};
}

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[wrap-file]
directory = fmt-11.0.2
source_url = https://github.com/fmtlib/fmt/archive/11.0.2.tar.gz
source_filename = fmt-11.0.2.tar.gz
source_hash = 6cb1e6d37bdcb756dbbe59be438790db409cdb4868c66e888d5df9f13f7c027f
patch_filename = fmt_11.0.2-1_patch.zip
patch_url = https://wrapdb.mesonbuild.com/v2/fmt_11.0.2-1/get_patch
patch_hash = 90c9e3b8e8f29713d40ca949f6f93ad115d78d7fb921064112bc6179e6427c5e
source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/fmt_11.0.2-1/fmt-11.0.2.tar.gz
wrapdb_version = 11.0.2-1
[provide]
fmt = fmt_dep

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[wrap-git]
directory=fuc2-0.2.0
url=https://lcthw.dev/cpp/fuc2.git
revision=HEAD
depth=1
method=meson
[provide]
fuc2 = fuc2_dep

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[wrap-file]
directory = glfw-3.4
source_url = https://github.com/glfw/glfw/archive/refs/tags/3.4.tar.gz
source_filename = glfw-3.4.tar.gz
source_hash = c038d34200234d071fae9345bc455e4a8f2f544ab60150765d7704e08f3dac01
patch_filename = glfw_3.4-1_patch.zip
patch_url = https://wrapdb.mesonbuild.com/v2/glfw_3.4-1/get_patch
patch_hash = 58a6a6cdb28195d7f7e6f5de85dff7044d378e49b46bf1d4a9b04c97ed93e6b0
source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/glfw_3.4-1/glfw-3.4.tar.gz
wrapdb_version = 3.4-1
[provide]
glfw3 = glfw_dep