mirror of
https://github.com/Ryujinx/Opentk.git
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279 lines
12 KiB
C#
279 lines
12 KiB
C#
#region License
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//
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// Gbm.cs
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//
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// Author:
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// Stefanos A. <stapostol@gmail.com>
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//
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// Copyright (c) 2006-2014 Stefanos Apostolopoulos
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Runtime.InteropServices;
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namespace OpenTK.Platform.Linux
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{
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using Device = IntPtr; // struct gbm_device*
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using Surface = IntPtr;
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using BufferObjectHandle = IntPtr;
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate void DestroyUserDataCallback(BufferObject bo, IntPtr data);
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class Gbm
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{
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const string lib = "gbm";
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[DllImport(lib, EntryPoint = "gbm_bo_create", CallingConvention = CallingConvention.Cdecl)]
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public static extern BufferObject CreateBuffer(Device gbm, int width, int height, SurfaceFormat format, SurfaceFlags flags);
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[DllImport(lib, EntryPoint = "gbm_bo_destroy", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroyBuffer(BufferObject bo);
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[DllImport(lib, EntryPoint = "gbm_bo_write", CallingConvention = CallingConvention.Cdecl)]
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public static extern int BOWrite(IntPtr bo, IntPtr buf, IntPtr count);
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[DllImport(lib, EntryPoint = "gbm_bo_get_device", CallingConvention = CallingConvention.Cdecl)]
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public static extern Device BOGetDevice(IntPtr bo);
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[DllImport(lib, EntryPoint = "gbm_bo_get_handle", CallingConvention = CallingConvention.Cdecl)]
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public static extern BufferObjectHandle BOGetHandle(IntPtr bo);
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[DllImport(lib, EntryPoint = "gbm_bo_get_height", CallingConvention = CallingConvention.Cdecl)]
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public static extern int BOGetHeight(IntPtr bo);
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[DllImport(lib, EntryPoint = "gbm_bo_get_width", CallingConvention = CallingConvention.Cdecl)]
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public static extern int BOGetWidth(IntPtr bo);
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[DllImport(lib, EntryPoint = "gbm_bo_get_stride", CallingConvention = CallingConvention.Cdecl)]
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public static extern int BOGetStride(IntPtr bo);
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[DllImport(lib, EntryPoint = "gbm_bo_set_user_data", CallingConvention = CallingConvention.Cdecl)]
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public static extern void BOSetUserData(IntPtr bo, IntPtr data, DestroyUserDataCallback callback);
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[DllImport(lib, EntryPoint = "gbm_create_device", CallingConvention = CallingConvention.Cdecl)]
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public static extern Device CreateDevice(int fd);
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[DllImport(lib, EntryPoint = "gbm_device_destroy", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroyDevice(Device gbm);
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[DllImport(lib, EntryPoint = "gbm_device_get_fd", CallingConvention = CallingConvention.Cdecl)]
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public static extern int DeviceGetFD(IntPtr gbm);
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[DllImport(lib, EntryPoint = "gbm_surface_create", CallingConvention = CallingConvention.Cdecl)]
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public static extern Surface CreateSurface(Device gbm, int width, int height, SurfaceFormat format, SurfaceFlags flags);
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[DllImport(lib, EntryPoint = "gbm_surface_destroy", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroySurface(IntPtr surface);
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[DllImport(lib, EntryPoint = "gbm_device_is_format_supported", CallingConvention = CallingConvention.Cdecl)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool IsFormatSupported(Device gbm, SurfaceFormat format, SurfaceFlags usage);
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[DllImport(lib, EntryPoint = "gbm_surface_lock_front_buffer", CallingConvention = CallingConvention.Cdecl)]
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public static extern BufferObject LockFrontBuffer(Surface surface);
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[DllImport(lib, EntryPoint = "gbm_surface_release_buffer", CallingConvention = CallingConvention.Cdecl)]
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public static extern void ReleaseBuffer(Surface surface, BufferObject buffer);
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}
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enum SurfaceFormat
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{
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BigEndian = 1 << 31,
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C8 = ((int)('C') | ((int)('8') << 8) | ((int)(' ') << 16) | ((int)(' ') << 24)),
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RGB332 = ((int)('R') | ((int)('G') << 8) | ((int)('B') << 16) | ((int)('8') << 24)),
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BGR233 = ((int)('B') | ((int)('G') << 8) | ((int)('R') << 16) | ((int)('8') << 24)),
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XRGB4444 = ((int)('X') | ((int)('R') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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XBGR4444 = ((int)('X') | ((int)('B') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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RGBX4444 = ((int)('R') | ((int)('X') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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BGRX4444 = ((int)('B') | ((int)('X') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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ARGB4444 = ((int)('A') | ((int)('R') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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ABGR4444 = ((int)('A') | ((int)('B') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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RGBA4444 = ((int)('R') | ((int)('A') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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BGRA4444 = ((int)('B') | ((int)('A') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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XRGB1555 = ((int)('X') | ((int)('R') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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XBGR1555 = ((int)('X') | ((int)('B') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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RGBX5551 = ((int)('R') | ((int)('X') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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BGRX5551 = ((int)('B') | ((int)('X') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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ARGB1555 = ((int)('A') | ((int)('R') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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ABGR1555 = ((int)('A') | ((int)('B') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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RGBA5551 = ((int)('R') | ((int)('A') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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BGRA5551 = ((int)('B') | ((int)('A') << 8) | ((int)('1') << 16) | ((int)('5') << 24)),
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RGB565 = ((int)('R') | ((int)('G') << 8) | ((int)('1') << 16) | ((int)('6') << 24)),
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BGR565 = ((int)('B') | ((int)('G') << 8) | ((int)('1') << 16) | ((int)('6') << 24)),
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RGB888 = ((int)('R') | ((int)('G') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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BGR888 = ((int)('B') | ((int)('G') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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XRGB8888 = ((int)('X') | ((int)('R') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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XBGR8888 = ((int)('X') | ((int)('B') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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RGBX8888 = ((int)('R') | ((int)('X') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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BGRX8888 = ((int)('B') | ((int)('X') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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ARGB8888 = ((int)('A') | ((int)('R') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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ABGR8888 = ((int)('A') | ((int)('B') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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RGBA8888 = ((int)('R') | ((int)('A') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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BGRA8888 = ((int)('B') | ((int)('A') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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XRGB2101010 = ((int)('X') | ((int)('R') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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XBGR2101010 = ((int)('X') | ((int)('B') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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RGBX1010102 = ((int)('R') | ((int)('X') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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BGRX1010102 = ((int)('B') | ((int)('X') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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ARGB2101010 = ((int)('A') | ((int)('R') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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ABGR2101010 = ((int)('A') | ((int)('B') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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RGBA1010102 = ((int)('R') | ((int)('A') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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BGRA1010102 = ((int)('B') | ((int)('A') << 8) | ((int)('3') << 16) | ((int)('0') << 24)),
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YUYV = ((int)('Y') | ((int)('U') << 8) | ((int)('Y') << 16) | ((int)('V') << 24)),
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YVYU = ((int)('Y') | ((int)('V') << 8) | ((int)('Y') << 16) | ((int)('U') << 24)),
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UYVY = ((int)('U') | ((int)('Y') << 8) | ((int)('V') << 16) | ((int)('Y') << 24)),
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VYUY = ((int)('V') | ((int)('Y') << 8) | ((int)('U') << 16) | ((int)('Y') << 24)),
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AYUV = ((int)('A') | ((int)('Y') << 8) | ((int)('U') << 16) | ((int)('V') << 24)),
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NV12 = ((int)('N') | ((int)('V') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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NV21 = ((int)('N') | ((int)('V') << 8) | ((int)('2') << 16) | ((int)('1') << 24)),
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NV16 = ((int)('N') | ((int)('V') << 8) | ((int)('1') << 16) | ((int)('6') << 24)),
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NV61 = ((int)('N') | ((int)('V') << 8) | ((int)('6') << 16) | ((int)('1') << 24)),
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YUV410 = ((int)('Y') | ((int)('U') << 8) | ((int)('V') << 16) | ((int)('9') << 24)),
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YVU410 = ((int)('Y') | ((int)('V') << 8) | ((int)('U') << 16) | ((int)('9') << 24)),
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YUV411 = ((int)('Y') | ((int)('U') << 8) | ((int)('1') << 16) | ((int)('1') << 24)),
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YVU411 = ((int)('Y') | ((int)('V') << 8) | ((int)('1') << 16) | ((int)('1') << 24)),
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YUV420 = ((int)('Y') | ((int)('U') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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YVU420 = ((int)('Y') | ((int)('V') << 8) | ((int)('1') << 16) | ((int)('2') << 24)),
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YUV422 = ((int)('Y') | ((int)('U') << 8) | ((int)('1') << 16) | ((int)('6') << 24)),
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YVU422 = ((int)('Y') | ((int)('V') << 8) | ((int)('1') << 16) | ((int)('6') << 24)),
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YUV444 = ((int)('Y') | ((int)('U') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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YVU444 = ((int)('Y') | ((int)('V') << 8) | ((int)('2') << 16) | ((int)('4') << 24)),
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}
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[Flags]
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enum SurfaceFlags
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{
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Scanout = (1 << 0),
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Cursor64x64 = (1 << 1),
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Rendering = (1 << 2),
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Write = (1 << 3),
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}
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[StructLayout(LayoutKind.Sequential)]
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struct BufferObject : IEquatable<BufferObject>
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{
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IntPtr buffer;
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public static readonly BufferObject Zero =
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default(BufferObject);
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public int Write(byte[] data)
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{
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unsafe
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{
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fixed (byte* pdata = data)
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{
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return Gbm.BOWrite(buffer, (IntPtr)pdata, (IntPtr)data.Length);
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}
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}
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}
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public void SetUserData(IntPtr data, DestroyUserDataCallback destroyFB)
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{
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Gbm.BOSetUserData(buffer, data, destroyFB);
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}
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public Device Device
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{
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get { return Gbm.BOGetDevice(buffer); }
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}
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public int Handle
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{
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get { return Gbm.BOGetHandle(buffer).ToInt32(); }
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}
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public int Width
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{
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get { return Gbm.BOGetWidth(buffer); }
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}
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public int Height
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{
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get { return Gbm.BOGetHeight(buffer); }
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}
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public int Stride
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{
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get { return Gbm.BOGetStride(buffer); }
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}
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public void Dispose()
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{
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Gbm.DestroyBuffer(this);
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buffer = IntPtr.Zero;
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}
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public static bool operator ==(BufferObject left, BufferObject right)
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{
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return left.Equals(right);
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}
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public static bool operator !=(BufferObject left, BufferObject right)
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{
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return !left.Equals(right);
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}
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public override bool Equals(object obj)
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{
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return
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obj is BufferObject &&
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this.Equals((BufferObject)obj);
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}
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public override int GetHashCode()
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{
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return buffer.GetHashCode();
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}
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public override string ToString()
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{
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return string.Format("[BufferObject: {0}]", buffer);
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}
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#region IEquatable implementation
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public bool Equals(BufferObject other)
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{
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return buffer == other.buffer;
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}
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#endregion
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}
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}
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