From 2b1e2a860bdd7dc07254efac9e256329ca875898 Mon Sep 17 00:00:00 2001
From: Ioannis Assiouras <Ioannis.Assiouras@amd.com>
Date: Mon, 17 Jul 2023 01:19:24 +0100
Subject: [PATCH] SWDEV-398472 - Added new include file for openGL interop APIs
 for AMD backend

Change-Id: I255030b9e70e777c1ede998d5dcf554a266492c5


[ROCm/clr commit: 3a8e0dd1cb344fed4d76b65c0c9ca99a34ae35a6]
---
 .../hip/amd_detail/amd_hip_gl_interop.h       | 92 +++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 projects/clr/hipamd/include/hip/amd_detail/amd_hip_gl_interop.h

diff --git a/projects/clr/hipamd/include/hip/amd_detail/amd_hip_gl_interop.h b/projects/clr/hipamd/include/hip/amd_detail/amd_hip_gl_interop.h
new file mode 100644
index 0000000000..3cdb2248db
--- /dev/null
+++ b/projects/clr/hipamd/include/hip/amd_detail/amd_hip_gl_interop.h
@@ -0,0 +1,92 @@
+/*
+Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef HIP_INCLUDE_AMD_HIP_GL_INTEROP_H
+#define HIP_INCLUDE_AMD_HIP_GL_INTEROP_H
+
+/**
+ *-------------------------------------------------------------------------------------------------
+ *-------------------------------------------------------------------------------------------------
+ *  @defgroup GL OpenGL Interop
+ *  @{
+ *  This section describes the OpenGL and graphics interoperability functions of HIP runtime API.
+ */
+
+/**
+ * HIP Devices used by current OpenGL Context.
+ */
+typedef enum hipGLDeviceList {
+    hipGLDeviceListAll = 1,           ///< All hip devices used by current OpenGL context.
+    hipGLDeviceListCurrentFrame = 2,  ///< Hip devices used by current OpenGL context in current
+                                    ///< frame
+    hipGLDeviceListNextFrame = 3      ///< Hip devices used by current OpenGL context in next
+                                    ///< frame.
+} hipGLDeviceList;
+
+
+/** GLuint as uint.*/
+typedef unsigned int GLuint;
+/** GLenum as uint.*/
+typedef unsigned int GLenum;
+
+/**
+ * @brief Queries devices associated with the current OpenGL context.
+ *
+ * @param [out] pHipDeviceCount - Pointer of number of devices on the current GL context.
+ * @param [out] pHipDevices - Pointer of devices on the current OpenGL context.
+ * @param [in] hipDeviceCount - Size of device.
+ * @param [in] deviceList - The setting of devices. It could be either hipGLDeviceListCurrentFrame
+ * for the devices used to render the current frame, or hipGLDeviceListAll for all devices. 
+ * The default setting is Invalid deviceList value.
+ * 
+ * @returns #hipSuccess, #hipErrorInvalidValue, #hipErrorNotSupported
+ *
+ */
+hipError_t hipGLGetDevices(unsigned int* pHipDeviceCount, int* pHipDevices,
+                           unsigned int hipDeviceCount, hipGLDeviceList deviceList);
+/**
+ * @brief Registers a GL Buffer for interop and returns corresponding graphics resource.
+ *
+ * @param [out] resource - Returns pointer of graphics resource.
+ * @param [in] buffer - Buffer to be registered.
+ * @param [in] flags - Register flags.
+ * 
+ * @returns #hipSuccess, #hipErrorInvalidValue, #hipErrorUnknown, #hipErrorInvalidResourceHandle
+ *
+ */
+hipError_t hipGraphicsGLRegisterBuffer(hipGraphicsResource** resource, GLuint buffer,
+                                       unsigned int flags);
+/**
+ * @brief Register a GL Image for interop and returns the corresponding graphic resource.
+ *
+ * @param [out] resource - Returns pointer of graphics resource.
+ * @param [in] image - Image to be registered.
+ * @param [in] target - Valid target value Id.
+ * @param [in] flags - Register flags.
+ * 
+ * @returns #hipSuccess, #hipErrorInvalidValue, #hipErrorUnknown, #hipErrorInvalidResourceHandle
+ *
+ */
+hipError_t hipGraphicsGLRegisterImage(hipGraphicsResource** resource, GLuint image,
+                                      GLenum target, unsigned int flags);
+
+#endif
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