diff --git a/src/libs/karm-gfx/manifest.json b/src/libs/karm-gfx/manifest.json
index 4ef96488d64..daaef2f4766 100644
--- a/src/libs/karm-gfx/manifest.json
+++ b/src/libs/karm-gfx/manifest.json
@@ -9,6 +9,7 @@
     ],
     "subdirs": [
         "mixbox",
-        "cpu"
+        "cpu",
+        "gpu"
     ]
 }
diff --git a/src/libs/karm-gpu/base.h b/src/libs/karm-gpu/base.h
new file mode 100644
index 00000000000..6ee56ae7a56
--- /dev/null
+++ b/src/libs/karm-gpu/base.h
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <karm-base/rc.h>
+#include <karm-base/res.h>
+
+namespace Karm::Gpu {
+
+struct Device {
+    static Res<Strong<Device>> open();
+
+    virtual ~Device() = default;
+};
+
+struct Shader {
+    virtual ~Shader() = default;
+};
+
+struct CommandBuffer {
+    virtual ~CommandBuffer() = default;
+};
+
+struct RenderPass {
+    virtual ~RenderPass() = default;
+};
+
+struct Pipeline {
+    virtual ~Pipeline() = default;
+};
+
+struct Buffer {
+    virtual ~Buffer() = default;
+};
+
+struct Texture {
+    virtual ~Texture() = default;
+};
+
+} // namespace Karm::Gpu
diff --git a/src/libs/karm-gpu/manifest.json b/src/libs/karm-gpu/manifest.json
index cc6bbf2c132..4484f944674 100644
--- a/src/libs/karm-gpu/manifest.json
+++ b/src/libs/karm-gpu/manifest.json
@@ -5,6 +5,7 @@
     "description": "GPU acceleration",
     "requires": [
         "karm-io",
-        "karm-math"
+        "karm-math",
+        "karm-shader"
     ]
 }
diff --git a/src/libs/karm-jit/arm/emit.h b/src/libs/karm-jit/arm/emit.h
index 666cb2f3001..64a51c8d445 100644
--- a/src/libs/karm-jit/arm/emit.h
+++ b/src/libs/karm-jit/arm/emit.h
@@ -1,3 +1,5 @@
 #pragma once
 
-namespace Karm::Jit::Arm {} // namespace Karm::Jit::Arm
+namespace Karm::Jit::Arm {
+
+} // namespace Karm::Jit::Arm
diff --git a/src/libs/karm-jit/ir.h b/src/libs/karm-jit/ir.h
new file mode 100644
index 00000000000..c11fdb746e9
--- /dev/null
+++ b/src/libs/karm-jit/ir.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <karm-base/base.h>
+#include <karm-base/vec.h>
+
+namespace Karm::Jit {
+
+enum struct Op : u8 {
+};
+
+struct Ref {
+    enum struct _Type : u8 {
+
+    };
+
+    using enum _Type;
+
+    _Type type;
+};
+
+struct Inst {
+    Op op;
+    Ref out;
+    Ref lhs;
+    Ref rhs;
+};
+
+struct Block {
+    Vec<Inst> insts;
+};
+
+} // namespace Karm::Jit
diff --git a/src/libs/karm-jit/spirv/emit.h b/src/libs/karm-jit/spirv/emit.h
new file mode 100644
index 00000000000..2cb10bf03c3
--- /dev/null
+++ b/src/libs/karm-jit/spirv/emit.h
@@ -0,0 +1,5 @@
+#pragma once
+
+namespace Karm::Jit::Spirv {
+
+} // namespace Karm::Jit::Spirv
diff --git a/src/libs/karm-rpc/base.h b/src/libs/karm-rpc/base.h
index 06229f23b61..b520746d8e4 100644
--- a/src/libs/karm-rpc/base.h
+++ b/src/libs/karm-rpc/base.h
@@ -6,19 +6,8 @@
 #include <karm-base/map.h>
 #include <karm-io/pack.h>
 #include <karm-logger/logger.h>
-#include <karm-sys/context.h>
-#include <karm-sys/socket.h>
 
-struct ChannelHook : public Sys::Service {
-    Sys::IpcConnection con;
-
-    ChannelHook(Sys::IpcConnection con)
-        : con(std::move(con)) {}
-};
-
-inline ChannelHook &useChannel(Sys::Context &ctx = Sys::globalContext()) {
-    return ctx.use<ChannelHook>();
-}
+#include "hooks.h"
 
 namespace Karm::Rpc {
 
diff --git a/src/libs/karm-rpc/hooks.h b/src/libs/karm-rpc/hooks.h
new file mode 100644
index 00000000000..bb297201516
--- /dev/null
+++ b/src/libs/karm-rpc/hooks.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <karm-sys/context.h>
+#include <karm-sys/socket.h>
+
+struct ChannelHook : public Sys::Service {
+    Sys::IpcConnection con;
+
+    ChannelHook(Sys::IpcConnection con)
+        : con(std::move(con)) {}
+};
+
+inline ChannelHook &useChannel(Sys::Context &ctx = Sys::globalContext()) {
+    return ctx.use<ChannelHook>();
+}
diff --git a/src/libs/karm-shader/ast.h b/src/libs/karm-shader/ast.h
new file mode 100644
index 00000000000..379c52979f2
--- /dev/null
+++ b/src/libs/karm-shader/ast.h
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace Karm::Shader {
+
+struct Expr {};
+
+} // namespace Karm::Shader
diff --git a/src/libs/karm-shader/comp.h b/src/libs/karm-shader/comp.h
new file mode 100644
index 00000000000..c77f8bb672a
--- /dev/null
+++ b/src/libs/karm-shader/comp.h
@@ -0,0 +1,7 @@
+#include <karm-jit/ir.h>
+
+#include "ast.h"
+
+namespace Karm::Shader {
+
+} // namespace Karm::Shader
diff --git a/src/libs/karm-shader/manifest.json b/src/libs/karm-shader/manifest.json
new file mode 100644
index 00000000000..853a6865e16
--- /dev/null
+++ b/src/libs/karm-shader/manifest.json
@@ -0,0 +1,9 @@
+{
+    "$schema": "https://schemas.cute.engineering/stable/cutekit.manifest.component.v1",
+    "id": "karm-shader",
+    "type": "lib",
+    "description": "Shader language & compiler",
+    "requires": [
+        "karm-jit"
+    ]
+}