2 files changed, 16 insertions, 32 deletions

diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index ab7c21a49..8788f5148 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -185,16 +185,6 @@ struct GPU::Impl {
         return *dma_pusher;
     }
 
-    /// Returns a reference to the GPU CDMA pusher.
-    [[nodiscard]] Tegra::CDmaPusher& CDmaPusher() {
-        return *cdma_pusher;
-    }
-
-    /// Returns a const reference to the GPU CDMA pusher.
-    [[nodiscard]] const Tegra::CDmaPusher& CDmaPusher() const {
-        return *cdma_pusher;
-    }
-
     /// Returns a reference to the underlying renderer.
     [[nodiscard]] VideoCore::RendererBase& Renderer() {
         return *renderer;
@@ -338,25 +328,27 @@ struct GPU::Impl {
     }
 
     /// Push GPU command buffer entries to be processed
-    void PushCommandBuffer(Tegra::ChCommandHeaderList& entries) {
+    void PushCommandBuffer(u32 id, Tegra::ChCommandHeaderList& entries) {
         if (!use_nvdec) {
             return;
         }
 
-        if (!cdma_pusher) {
-            cdma_pusher = std::make_unique<Tegra::CDmaPusher>(gpu);
+        if (!cdma_pushers.contains(id)) {
+            cdma_pushers.insert_or_assign(id, std::make_unique<Tegra::CDmaPusher>(gpu));
         }
 
         // SubmitCommandBuffer would make the nvdec operations async, this is not currently working
         // TODO(ameerj): RE proper async nvdec operation
         // gpu_thread.SubmitCommandBuffer(std::move(entries));
-
-        cdma_pusher->ProcessEntries(std::move(entries));
+        cdma_pushers[id]->ProcessEntries(std::move(entries));
     }
 
     /// Frees the CDMAPusher instance to free up resources
-    void ClearCdmaInstance() {
-        cdma_pusher.reset();
+    void ClearCdmaInstance(u32 id) {
+        const auto iter = cdma_pushers.find(id);
+        if (iter != cdma_pushers.end()) {
+            cdma_pushers.erase(iter);
+        }
     }
 
     /// Swap buffers (render frame)
@@ -659,7 +651,7 @@ struct GPU::Impl {
     Core::System& system;
     std::unique_ptr<Tegra::MemoryManager> memory_manager;
     std::unique_ptr<Tegra::DmaPusher> dma_pusher;
-    std::unique_ptr<Tegra::CDmaPusher> cdma_pusher;
+    std::map<u32, std::unique_ptr<Tegra::CDmaPusher>> cdma_pushers;
     std::unique_ptr<VideoCore::RendererBase> renderer;
     VideoCore::RasterizerInterface* rasterizer = nullptr;
     const bool use_nvdec;
@@ -811,14 +803,6 @@ const Tegra::DmaPusher& GPU::DmaPusher() const {
     return impl->DmaPusher();
 }
 
-Tegra::CDmaPusher& GPU::CDmaPusher() {
-    return impl->CDmaPusher();
-}
-
-const Tegra::CDmaPusher& GPU::CDmaPusher() const {
-    return impl->CDmaPusher();
-}
-
 VideoCore::RendererBase& GPU::Renderer() {
     return impl->Renderer();
 }
@@ -887,12 +871,12 @@ void GPU::PushGPUEntries(Tegra::CommandList&& entries) {
     impl->PushGPUEntries(std::move(entries));
 }
 
-void GPU::PushCommandBuffer(Tegra::ChCommandHeaderList& entries) {
-    impl->PushCommandBuffer(entries);
+void GPU::PushCommandBuffer(u32 id, Tegra::ChCommandHeaderList& entries) {
+    impl->PushCommandBuffer(id, entries);
 }
 
-void GPU::ClearCdmaInstance() {
-    impl->ClearCdmaInstance();
+void GPU::ClearCdmaInstance(u32 id) {
+    impl->ClearCdmaInstance(id);
 }
 
 void GPU::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index c89a5d693..500411176 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -242,10 +242,10 @@ public:
     void PushGPUEntries(Tegra::CommandList&& entries);
 
     /// Push GPU command buffer entries to be processed
-    void PushCommandBuffer(Tegra::ChCommandHeaderList& entries);
+    void PushCommandBuffer(u32 id, Tegra::ChCommandHeaderList& entries);
 
     /// Frees the CDMAPusher instance to free up resources
-    void ClearCdmaInstance();
+    void ClearCdmaInstance(u32 id);
 
     /// Swap buffers (render frame)
     void SwapBuffers(const Tegra::FramebufferConfig* framebuffer);