vo/gpu: hwdec_cuda: Refactor gpu api specific code into separate files

The amount of code now present that's specific to Vulkan or OpenGL
has reached the point where we really want to split it out to
avoid a mess of #ifdefs.

At the same time, I'm moving the code to an api neutral location.

1 files changed, 57 insertions, 0 deletions

diff --git a/video/out/hwdec/hwdec_cuda.h b/video/out/hwdec/hwdec_cuda.h
new file mode 100644
index 0000000000..95a6b9c34c
--- /dev/null
+++ b/video/out/hwdec/hwdec_cuda.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2019 Philip Langdale <philipl@overt.org>
+ *
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <ffnvcodec/dynlink_loader.h>
+
+#include "video/out/gpu/hwdec.h"
+
+struct cuda_hw_priv {
+    struct mp_hwdec_ctx hwctx;
+    CudaFunctions *cu;
+    CUcontext display_ctx;
+    CUcontext decode_ctx;
+
+    // Stored as int to avoid depending on libplacebo enum
+    int handle_type;
+
+    bool (*ext_init)(struct ra_hwdec_mapper *mapper,
+                     const struct ra_format *format, int n);
+    void (*ext_uninit)(const struct ra_hwdec_mapper *mapper, int n);
+
+    // These are only necessary if the gpu api requires synchronisation
+    bool (*ext_wait)(const struct ra_hwdec_mapper *mapper, int n);
+    bool (*ext_signal)(const struct ra_hwdec_mapper *mapper, int n);
+};
+
+struct cuda_mapper_priv {
+    struct mp_image layout;
+    CUarray cu_array[4];
+
+    CUcontext display_ctx;
+
+    void *ext[4];
+};
+
+bool cuda_gl_init(const struct ra_hwdec *hw);
+
+bool cuda_vk_init(const struct ra_hwdec *hw);
+
+int check_cu(const struct ra_hwdec *hw, CUresult err, const char *func);