implement HAP decoding straight to compressed GPU texture

Supports HAP and HAP Alpha (Hap1/Hap5) formats

1 files changed, 8 insertions, 0 deletions

diff --git a/build.zig b/build.zig
index 9c842a6..449c82e 100644
--- a/build.zig
+++ b/build.zig
@@ -5,6 +5,7 @@ pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
 
     const have_ffmpeg = b.option(bool, "textures", "enable texture/video support (needs ffmpeg)") orelse true;
+    const have_hap = have_ffmpeg and b.option(bool, "hap", "enable HAP GPU upload support (need snappy)") orelse true;
 
     const exe = b.addExecutable(.{
         .name = "glsl-view",
@@ -15,6 +16,7 @@ pub fn build(b: *std.Build) void {
 
     const options = b.addOptions();
     options.addOption(bool, "have_ffmpeg", have_ffmpeg);
+    options.addOption(bool, "have_hap", have_hap);
     exe.root_module.addOptions("build_config", options);
 
     exe.linkLibC();
@@ -30,6 +32,12 @@ pub fn build(b: *std.Build) void {
         exe.linkSystemLibrary("libswscale");
     }
 
+    if (have_ffmpeg and have_hap) {
+        exe.addIncludePath(b.path("lib"));
+        exe.addCSourceFile(.{ .file = b.path("lib/hap.c") });
+        exe.linkSystemLibrary("snappy");
+    }
+
     b.installArtifact(exe);
 
     const run_cmd = b.addRunArtifact(exe);