Initial commit
This commit is contained in:
commit
8d397f3941
2
.gitignore
vendored
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2
.gitignore
vendored
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|||||||
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zig-out
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||||||
|
zig-cache
|
117
build.zig
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117
build.zig
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|
const std = @import("std");
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||||||
|
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||||||
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// Although this function looks imperative, note that its job is to
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||||||
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// declaratively construct a build graph that will be executed by an external
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||||||
|
// runner.
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||||||
|
pub fn build(b: *std.Build) void {
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||||||
|
// Standard target options allows the person running `zig build` to choose
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||||||
|
// what target to build for. Here we do not override the defaults, which
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||||||
|
// means any target is allowed, and the default is native. Other options
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|
// for restricting supported target set are available.
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||||||
|
const target = b.standardTargetOptions(.{});
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||||||
|
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||||||
|
// Standard optimization options allow the person running `zig build` to select
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|
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
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// set a preferred release mode, allowing the user to decide how to optimize.
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|
const optimize = b.standardOptimizeOption(.{});
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||||||
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// const sdl_dep = b.dependency("SDL", .{
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// .target = target,
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// .optimize = .ReleaseSafe,
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|
// });
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|
// const sdl2 = sdl_dep.artifact("SDL2");
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|
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||||||
|
const glad = b.addSharedLibrary(.{
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|
.name = "glad",
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|
.target = target,
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|
.optimize = optimize,
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|
});
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|
glad.addCSourceFile(.{ .file = .{ .path = "src/glad.c" } });
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|
glad.addIncludePath(.{ .path = "include" });
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|
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|
const lib = b.addSharedLibrary(.{
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|
.name = "learnopengl",
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|
.root_source_file = .{ .path = "src/game.zig" },
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|
.target = target,
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||||||
|
.optimize = optimize,
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|
});
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|
lib.linkSystemLibrary("SDL2");
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|
lib.addSystemIncludePath(.{ .path = "/opt/homebrew/opt/sdl2/include/" });
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|
lib.addLibraryPath(.{ .path = "/opt/homebrew/opt/sdl2/lib" });
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|
lib.linkLibrary(glad);
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|
lib.addIncludePath(.{ .path = "include" });
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||||||
|
|
||||||
|
const installLib = b.addInstallArtifact(lib, .{
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||||||
|
.dest_dir = .{ .override = .bin },
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||||||
|
});
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||||||
|
b.getInstallStep().dependOn(&installLib.step);
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|
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||||||
|
const exe = b.addExecutable(.{
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|
.name = "learnopengl",
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||||||
|
// In this case the main source file is merely a path, however, in more
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||||||
|
// complicated build scripts, this could be a generated file.
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|
.root_source_file = .{ .path = "src/main.zig" },
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|
.target = target,
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|
.optimize = optimize,
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|
});
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|
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|
exe.linkSystemLibrary("SDL2");
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|
exe.addSystemIncludePath(.{ .path = "/opt/homebrew/opt/sdl2/include/" });
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|
exe.addLibraryPath(.{ .path = "/opt/homebrew/opt/sdl2/lib" });
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|
exe.linkLibrary(glad);
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||||||
|
exe.addIncludePath(.{ .path = "include" });
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||||||
|
|
||||||
|
// This declares intent for the executable to be installed into the
|
||||||
|
// standard location when the user invokes the "install" step (the default
|
||||||
|
// step when running `zig build`).
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||||||
|
b.installArtifact(exe);
|
||||||
|
|
||||||
|
// This *creates* a Run step in the build graph, to be executed when another
|
||||||
|
// step is evaluated that depends on it. The next line below will establish
|
||||||
|
// such a dependency.
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||||||
|
const run_cmd = b.addRunArtifact(exe);
|
||||||
|
|
||||||
|
// By making the run step depend on the install step, it will be run from the
|
||||||
|
// installation directory rather than directly from within the cache directory.
|
||||||
|
// This is not necessary, however, if the application depends on other installed
|
||||||
|
// files, this ensures they will be present and in the expected location.
|
||||||
|
run_cmd.step.dependOn(b.getInstallStep());
|
||||||
|
|
||||||
|
// This allows the user to pass arguments to the application in the build
|
||||||
|
// command itself, like this: `zig build run -- arg1 arg2 etc`
|
||||||
|
if (b.args) |args| {
|
||||||
|
run_cmd.addArgs(args);
|
||||||
|
}
|
||||||
|
|
||||||
|
// This creates a build step. It will be visible in the `zig build --help` menu,
|
||||||
|
// and can be selected like this: `zig build run`
|
||||||
|
// This will evaluate the `run` step rather than the default, which is "install".
|
||||||
|
const run_step = b.step("run", "Run the app");
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||||||
|
run_step.dependOn(&run_cmd.step);
|
||||||
|
|
||||||
|
// // Creates a step for unit testing. This only builds the test executable
|
||||||
|
// // but does not run it.
|
||||||
|
// const lib_unit_tests = b.addTest(.{
|
||||||
|
// .root_source_file = .{ .path = "src/root.zig" },
|
||||||
|
// .target = target,
|
||||||
|
// .optimize = optimize,
|
||||||
|
// });
|
||||||
|
|
||||||
|
// const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
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|
|
||||||
|
const exe_unit_tests = b.addTest(.{
|
||||||
|
.root_source_file = .{ .path = "src/main.zig" },
|
||||||
|
.target = target,
|
||||||
|
.optimize = optimize,
|
||||||
|
});
|
||||||
|
|
||||||
|
const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
|
||||||
|
|
||||||
|
// Similar to creating the run step earlier, this exposes a `test` step to
|
||||||
|
// the `zig build --help` menu, providing a way for the user to request
|
||||||
|
// running the unit tests.
|
||||||
|
const test_step = b.step("test", "Run unit tests");
|
||||||
|
// test_step.dependOn(&run_lib_unit_tests.step);
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||||||
|
test_step.dependOn(&run_exe_unit_tests.step);
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||||||
|
}
|
36
build.zig.zon
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36
build.zig.zon
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|
|||||||
|
.{
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||||||
|
.name = "learnopengl",
|
||||||
|
// This is a [Semantic Version](https://semver.org/).
|
||||||
|
// In a future version of Zig it will be used for package deduplication.
|
||||||
|
.version = "0.0.0",
|
||||||
|
|
||||||
|
// This field is optional.
|
||||||
|
// This is currently advisory only; Zig does not yet do anything
|
||||||
|
// with this value.
|
||||||
|
//.minimum_zig_version = "0.11.0",
|
||||||
|
|
||||||
|
// This field is optional.
|
||||||
|
// Each dependency must either provide a `url` and `hash`, or a `path`.
|
||||||
|
// `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
|
||||||
|
// Once all dependencies are fetched, `zig build` no longer requires
|
||||||
|
// internet connectivity.
|
||||||
|
.dependencies = .{
|
||||||
|
.SDL = .{
|
||||||
|
.url = "https://github.com/sergeypdev/SDL/tarball/0d062f21742b2914a0258df718931f80a952be1a",
|
||||||
|
.hash = "122009e9c57dcbc6cd92be92c61eba913468ecfebd6c166011f6065a3ffbdc75f45f",
|
||||||
|
},
|
||||||
|
},
|
||||||
|
.paths = .{
|
||||||
|
// This makes *all* files, recursively, included in this package. It is generally
|
||||||
|
// better to explicitly list the files and directories instead, to insure that
|
||||||
|
// fetching from tarballs, file system paths, and version control all result
|
||||||
|
// in the same contents hash.
|
||||||
|
"",
|
||||||
|
// For example...
|
||||||
|
//"build.zig",
|
||||||
|
//"build.zig.zon",
|
||||||
|
//"src",
|
||||||
|
//"LICENSE",
|
||||||
|
//"README.md",
|
||||||
|
},
|
||||||
|
}
|
311
include/KHR/khrplatform.h
Normal file
311
include/KHR/khrplatform.h
Normal file
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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_ */
|
2652
include/glad/glad.h
Normal file
2652
include/glad/glad.h
Normal file
File diff suppressed because it is too large
Load Diff
4
src/c.zig
Normal file
4
src/c.zig
Normal file
@ -0,0 +1,4 @@
|
|||||||
|
pub usingnamespace @cImport({
|
||||||
|
@cInclude("glad/glad.h");
|
||||||
|
@cInclude("SDL2/SDL.h");
|
||||||
|
});
|
56
src/game.zig
Normal file
56
src/game.zig
Normal file
@ -0,0 +1,56 @@
|
|||||||
|
const std = @import("std");
|
||||||
|
const c = @import("c.zig");
|
||||||
|
|
||||||
|
pub const GameMemory = struct {
|
||||||
|
global_allocator: std.mem.Allocator,
|
||||||
|
counter: i32 = 0,
|
||||||
|
};
|
||||||
|
|
||||||
|
var g_mem: *GameMemory = undefined;
|
||||||
|
|
||||||
|
export fn game_init(global_allocator: *std.mem.Allocator) void {
|
||||||
|
g_mem = global_allocator.create(GameMemory) catch @panic("OOM");
|
||||||
|
g_mem.* = .{
|
||||||
|
.global_allocator = global_allocator.*,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
export fn game_update() bool {
|
||||||
|
var event: c.SDL_Event = undefined;
|
||||||
|
|
||||||
|
while (c.SDL_PollEvent(&event) != 0) {
|
||||||
|
switch (event.type) {
|
||||||
|
c.SDL_QUIT => {
|
||||||
|
return false;
|
||||||
|
},
|
||||||
|
c.SDL_KEYUP => {
|
||||||
|
if (event.key.keysym.sym == c.SDLK_ESCAPE) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
},
|
||||||
|
else => {},
|
||||||
|
}
|
||||||
|
g_mem.counter += 1;
|
||||||
|
|
||||||
|
c.glClearColor(0.3, 0.6, 0.3, 1.0);
|
||||||
|
c.glClear(c.GL_COLOR_BUFFER_BIT);
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
export fn game_shutdown() void {
|
||||||
|
g_mem.global_allocator.destroy(g_mem);
|
||||||
|
}
|
||||||
|
|
||||||
|
export fn game_hot_reload(memory: *anyopaque) void {
|
||||||
|
g_mem = @alignCast(@ptrCast(memory));
|
||||||
|
}
|
||||||
|
|
||||||
|
export fn game_memory() *anyopaque {
|
||||||
|
return @ptrCast(g_mem);
|
||||||
|
}
|
||||||
|
|
||||||
|
export fn game_memory_size() usize {
|
||||||
|
return @sizeOf(GameMemory);
|
||||||
|
}
|
1421
src/glad.c
Normal file
1421
src/glad.c
Normal file
File diff suppressed because it is too large
Load Diff
160
src/main.zig
Normal file
160
src/main.zig
Normal file
@ -0,0 +1,160 @@
|
|||||||
|
const std = @import("std");
|
||||||
|
const c = @import("c.zig");
|
||||||
|
const builtin = @import("builtin");
|
||||||
|
|
||||||
|
fn sdl_try(result: c_int) !void {
|
||||||
|
if (result < 0) {
|
||||||
|
std.log.err("SDL Error: {s}", .{c.SDL_GetError()});
|
||||||
|
return error.SDLError;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
const game_lib_basename = "learnopengl";
|
||||||
|
const game_lib_name: [:0]const u8 = builtin.target.libPrefix() ++ game_lib_basename ++ builtin.target.dynamicLibSuffix();
|
||||||
|
|
||||||
|
var game_api: GameAPI = undefined;
|
||||||
|
|
||||||
|
pub fn main() !void {
|
||||||
|
var global_alloc = std.heap.LoggingAllocator(.debug, .err).init(std.heap.c_allocator);
|
||||||
|
var allocator = global_alloc.allocator();
|
||||||
|
var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
|
||||||
|
const temp_allocator = arena.allocator();
|
||||||
|
_ = temp_allocator;
|
||||||
|
|
||||||
|
const game_lib_path = try getGameLibPath(allocator);
|
||||||
|
|
||||||
|
try sdl_try(c.SDL_Init(c.SDL_INIT_EVERYTHING));
|
||||||
|
defer c.SDL_Quit();
|
||||||
|
|
||||||
|
try sdl_try(c.SDL_GL_SetAttribute(c.SDL_GL_DOUBLEBUFFER, 1));
|
||||||
|
try sdl_try(c.SDL_GL_SetAttribute(c.SDL_GL_CONTEXT_MAJOR_VERSION, 4));
|
||||||
|
try sdl_try(c.SDL_GL_SetAttribute(c.SDL_GL_CONTEXT_MINOR_VERSION, 1));
|
||||||
|
try sdl_try(c.SDL_GL_SetAttribute(c.SDL_GL_CONTEXT_PROFILE_MASK, c.SDL_GL_CONTEXT_PROFILE_CORE));
|
||||||
|
|
||||||
|
const maybe_window = c.SDL_CreateWindow("Learn OpenGL with Zig!", c.SDL_WINDOWPOS_CENTERED, c.SDL_WINDOWPOS_CENTERED, 800, 600, c.SDL_WINDOW_SHOWN | c.SDL_WINDOW_OPENGL);
|
||||||
|
if (maybe_window == null) {
|
||||||
|
std.log.err("SDL Error: {s}", .{c.SDL_GetError()});
|
||||||
|
return error.SDLWindowError;
|
||||||
|
}
|
||||||
|
const window = maybe_window.?;
|
||||||
|
|
||||||
|
const context = c.SDL_GL_CreateContext(window);
|
||||||
|
defer c.SDL_GL_DeleteContext(context);
|
||||||
|
|
||||||
|
_ = c.gladLoadGLLoader(c.SDL_GL_GetProcAddress);
|
||||||
|
|
||||||
|
std.log.debug("OpenGL Version: {}.{}", .{ c.GLVersion.major, c.GLVersion.minor });
|
||||||
|
|
||||||
|
var modified = try getFileModifiedZ(game_lib_path);
|
||||||
|
game_api = try loadGameAPI(allocator, game_lib_path);
|
||||||
|
|
||||||
|
game_api.game_init(&allocator);
|
||||||
|
defer {
|
||||||
|
game_api.game_shutdown();
|
||||||
|
game_api.deinit(allocator);
|
||||||
|
}
|
||||||
|
|
||||||
|
var exit = false;
|
||||||
|
|
||||||
|
while (!exit) {
|
||||||
|
_ = arena.reset(.retain_capacity);
|
||||||
|
|
||||||
|
const new_modified = try getFileModifiedZ(game_lib_path);
|
||||||
|
|
||||||
|
if (new_modified != modified) {
|
||||||
|
modified = new_modified;
|
||||||
|
var new_game_api = try loadGameAPI(allocator, game_lib_path);
|
||||||
|
|
||||||
|
if (game_api.game_memory_size() == new_game_api.game_memory_size()) {
|
||||||
|
std.log.debug("Hot reload with state!\n", .{});
|
||||||
|
const game_memory = game_api.game_memory();
|
||||||
|
game_api.deinit(allocator);
|
||||||
|
new_game_api.game_hot_reload(game_memory);
|
||||||
|
game_api = new_game_api;
|
||||||
|
} else {
|
||||||
|
std.log.debug("Hot reload with shutdown!\n", .{});
|
||||||
|
game_api.game_shutdown();
|
||||||
|
game_api.deinit(allocator);
|
||||||
|
game_api = new_game_api;
|
||||||
|
game_api.game_init(&allocator);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
exit = !game_api.game_update();
|
||||||
|
|
||||||
|
c.SDL_GL_SwapWindow(window);
|
||||||
|
c.SDL_Delay(1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn getFileModifiedZ(path: [:0]const u8) !i128 {
|
||||||
|
var lib_file = try std.fs.openFileAbsoluteZ(path, .{});
|
||||||
|
defer lib_file.close();
|
||||||
|
var lib_file_meta = try lib_file.metadata();
|
||||||
|
|
||||||
|
return lib_file_meta.modified();
|
||||||
|
}
|
||||||
|
|
||||||
|
fn getGameLibPath(allocator: std.mem.Allocator) ![:0]const u8 {
|
||||||
|
const base_path = std.mem.span(c.SDL_GetBasePath());
|
||||||
|
const game_lib_path = try std.fs.path.joinZ(allocator, &.{ base_path, game_lib_name });
|
||||||
|
|
||||||
|
return game_lib_path;
|
||||||
|
}
|
||||||
|
|
||||||
|
var game_version: usize = 0;
|
||||||
|
|
||||||
|
fn loadGameAPI(arena: std.mem.Allocator, game_lib_path: [:0]const u8) !GameAPI {
|
||||||
|
game_version += 1;
|
||||||
|
const base_path = std.mem.span(c.SDL_GetBasePath());
|
||||||
|
const temp_lib_name = try std.fmt.allocPrintZ(
|
||||||
|
arena,
|
||||||
|
builtin.target.libPrefix() ++ "{s}_{}" ++ builtin.target.dynamicLibSuffix(),
|
||||||
|
.{ game_lib_basename, game_version },
|
||||||
|
);
|
||||||
|
const temp_lib_path = try std.fs.path.joinZ(arena, &.{ base_path, temp_lib_name });
|
||||||
|
std.log.debug("Copying game dll from {s} to {s}\n", .{ game_lib_path, temp_lib_path });
|
||||||
|
try std.fs.copyFileAbsolute(game_lib_path, temp_lib_path, .{});
|
||||||
|
|
||||||
|
std.log.debug("Loading game lib at path {s}\n", .{temp_lib_path});
|
||||||
|
const dll = c.SDL_LoadObject(temp_lib_path);
|
||||||
|
|
||||||
|
if (dll == null) {
|
||||||
|
std.log.debug("SDL Error: {s}", .{c.SDL_GetError()});
|
||||||
|
return error.SDLDLLLoadFailed;
|
||||||
|
}
|
||||||
|
|
||||||
|
return try GameAPI.init(dll, temp_lib_path);
|
||||||
|
}
|
||||||
|
|
||||||
|
const GameAPI = struct {
|
||||||
|
game_init: *const fn (*std.mem.Allocator) callconv(.C) void,
|
||||||
|
game_update: *const fn () callconv(.C) bool,
|
||||||
|
game_shutdown: *const fn () callconv(.C) void,
|
||||||
|
game_memory_size: *const fn () callconv(.C) usize,
|
||||||
|
game_memory: *const fn () callconv(.C) *anyopaque,
|
||||||
|
game_hot_reload: *const fn (*anyopaque) callconv(.C) void,
|
||||||
|
dll: ?*anyopaque,
|
||||||
|
path: [:0]const u8,
|
||||||
|
|
||||||
|
pub fn init(dll: ?*anyopaque, path: [:0]const u8) !GameAPI {
|
||||||
|
return GameAPI{
|
||||||
|
.game_init = @alignCast(@ptrCast(c.SDL_LoadFunction(dll, "game_init") orelse return error.MissingGameInit)),
|
||||||
|
.game_update = @alignCast(@ptrCast(c.SDL_LoadFunction(dll, "game_update") orelse return error.MissingGameUpdate)),
|
||||||
|
.game_shutdown = @alignCast(@ptrCast(c.SDL_LoadFunction(dll, "game_shutdown") orelse return error.MissingGameShutdown)),
|
||||||
|
.game_memory_size = @alignCast(@ptrCast(c.SDL_LoadFunction(dll, "game_memory_size") orelse return error.MissingGameMemorySize)),
|
||||||
|
.game_memory = @alignCast(@ptrCast(c.SDL_LoadFunction(dll, "game_memory") orelse return error.MissingGameMemory)),
|
||||||
|
.game_hot_reload = @alignCast(@ptrCast(c.SDL_LoadFunction(dll, "game_hot_reload") orelse return error.MissingGameHotReload)),
|
||||||
|
.dll = dll,
|
||||||
|
.path = path,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn deinit(self: *GameAPI, allocator: std.mem.Allocator) void {
|
||||||
|
c.SDL_UnloadObject(self.dll);
|
||||||
|
std.fs.deleteFileAbsolute(self.path) catch |err| {
|
||||||
|
std.log.debug("failed to delete temp game dll {}", .{err});
|
||||||
|
};
|
||||||
|
allocator.free(self.path);
|
||||||
|
}
|
||||||
|
};
|
Loading…
x
Reference in New Issue
Block a user