add optional renderdoc integrationrenderdoc

1 files changed, 42 insertions, 0 deletions

diff --git a/src/renderdoc.zig b/src/renderdoc.zig
new file mode 100644
index 0000000..9c3e80d
--- /dev/null
+++ b/src/renderdoc.zig
@@ -0,0 +1,42 @@
+const c = @import("c.zig");
+
+var rdoc_api: ?*c.RENDERDOC_API_1_1_2 = null;
+
+pub fn init() void {
+    const maybe_mod = c.dlopen("librenderdoc.so", c.RTLD_NOW | c.RTLD_NOLOAD);
+    if (maybe_mod) |mod| {
+        const getAPI: c.pRENDERDOC_GetAPI = @ptrCast(c.dlsym(mod, "RENDERDOC_GetAPI"));
+        const ret = getAPI.?(c.eRENDERDOC_API_Version_1_1_2, @ptrCast(&rdoc_api));
+        if (ret != 1) unreachable;
+    }
+}
+
+pub fn startCapture(glfwWindow: *c.GLFWwindow) void {
+    _ = glfwWindow;
+    if (rdoc_api) |api| {
+        // const window = c.glfwGetWaylandWindow(glfwWindow);
+        // const context = c.glfwGetEGLContext(glfwWindow);
+        // api.StartFrameCapture.?(context, window);
+        _ = api.StartFrameCapture.?(null, null);
+    }
+}
+
+pub fn endCapture(glfwWindow: *c.GLFWwindow) void {
+    _ = glfwWindow;
+    if (rdoc_api) |api| {
+        // const window = c.glfwGetWaylandWindow(glfwWindow);
+        // const context = c.glfwGetEGLContext(glfwWindow);
+        // _ = api.EndFrameCapture.?(context, window);
+        _ = api.StartFrameCapture.?(null, null);
+    }
+}
+
+pub fn discardCapture(glfwWindow: *c.GLFWwindow) void {
+    _ = glfwWindow;
+    if (rdoc_api) |api| {
+        // const window = c.glfwGetWaylandWindow(glfwWindow);
+        // const context = c.glfwGetEGLContext(glfwWindow);
+        // _ = api.DiscardFrameCapture.?(context, window);
+        _ = api.DiscardFrameCapture.?(null, null);
+    }
+}