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feat(zig): add opengl_version option (#3979)

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Added `opengl_version` option to `src/build.zig`.
This commit is contained in:
Alexei Mozaidze 2024-05-13 02:27:02 +04:00 • committed by GitHub
parent 7a1cad3e61
commit f4b5622ba3
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GPG key ID: B5690EEEBB952194
1 changed files with 36 additions and 3 deletions
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39
src/build.zig
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@ -88,6 +88,10 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
try c_source_files.append("rtextures.c"); try c_source_files.append("rtextures.c");
} }
if (options.opengl_version != .auto) {
raylib.defineCMacro(options.opengl_version.toCMacroStr(), null);
}
switch (target.result.os.tag) { switch (target.result.os.tag) {
.windows => { .windows => {
try c_source_files.append("rglfw.c"); try c_source_files.append("rglfw.c");
@ -134,7 +138,11 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
raylib.defineCMacro("PLATFORM_DESKTOP", null); raylib.defineCMacro("PLATFORM_DESKTOP", null);
} else { } else {
raylib.linkSystemLibrary("GLESv2"); if (options.opengl_version == .auto) {
raylib.linkSystemLibrary("GLESv2");
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
}
raylib.linkSystemLibrary("EGL"); raylib.linkSystemLibrary("EGL");
raylib.linkSystemLibrary("drm"); raylib.linkSystemLibrary("drm");
raylib.linkSystemLibrary("gbm"); raylib.linkSystemLibrary("gbm");
@ -145,7 +153,6 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
raylib.addIncludePath(.{ .cwd_relative = "/usr/include/libdrm" }); raylib.addIncludePath(.{ .cwd_relative = "/usr/include/libdrm" });
raylib.defineCMacro("PLATFORM_DRM", null); raylib.defineCMacro("PLATFORM_DRM", null);
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
raylib.defineCMacro("EGL_NO_X11", null); raylib.defineCMacro("EGL_NO_X11", null);
raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048"); raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048");
} }
@ -183,7 +190,9 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
}, },
.emscripten => { .emscripten => {
raylib.defineCMacro("PLATFORM_WEB", null); raylib.defineCMacro("PLATFORM_WEB", null);
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null); if (options.opengl_version == .auto) {
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
}
if (b.sysroot == null) { if (b.sysroot == null) {
@panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'"); @panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'");
@ -239,11 +248,34 @@ pub const Options = struct {
platform_drm: bool = false, platform_drm: bool = false,
shared: bool = false, shared: bool = false,
linux_display_backend: LinuxDisplayBackend = .X11, linux_display_backend: LinuxDisplayBackend = .X11,
opengl_version: OpenglVersion = .auto,
raylib_dependency_name: []const u8 = "raylib", raylib_dependency_name: []const u8 = "raylib",
raygui_dependency_name: []const u8 = "raygui", raygui_dependency_name: []const u8 = "raygui",
}; };
pub const OpenglVersion = enum {
auto,
gl_1_1,
gl_2_1,
gl_3_3,
gl_4_3,
gles_2,
gles_3,
pub fn toCMacroStr(self: @This()) []const u8 {
switch (self) {
.auto => @panic("OpenglVersion.auto cannot be turned into a C macro string"),
.gl_1_1 => return "GRAPHICS_API_OPENGL_11",
.gl_2_1 => return "GRAPHICS_API_OPENGL_21",
.gl_3_3 => return "GRAPHICS_API_OPENGL_33",
.gl_4_3 => return "GRAPHICS_API_OPENGL_43",
.gles_2 => return "GRAPHICS_API_OPENGL_ES2",
.gles_3 => return "GRAPHICS_API_OPENGL_ES3",
}
}
};
pub const LinuxDisplayBackend = enum { pub const LinuxDisplayBackend = enum {
X11, X11,
Wayland, Wayland,
@ -270,6 +302,7 @@ pub fn build(b: *std.Build) !void {
.rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes, .rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes,
.shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared, .shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared,
.linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend, .linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend,
.opengl_version = b.option(OpenglVersion, "opengl_version", "OpenGL version to use") orelse defaults.opengl_version,
}; };
const lib = try compileRaylib(b, target, optimize, options); const lib = try compileRaylib(b, target, optimize, options);