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-rw-r--r--testDrm/src/Application.cs31
-rw-r--r--testDrm/src/Egl/Context.cs3
-rw-r--r--testDrm/src/Egl/Surface.cs25
-rw-r--r--testDrm/src/Linux/DRI.cs235
-rw-r--r--testDrm/src/Linux/DRI/Connector.cs2
-rw-r--r--testDrm/src/Linux/DRI/Encoder.cs2
-rw-r--r--testDrm/src/Linux/GBM/BufferObject.cs2
7 files changed, 133 insertions, 167 deletions
diff --git a/testDrm/src/Application.cs b/testDrm/src/Application.cs
index 43330e03..88e8116c 100644
--- a/testDrm/src/Application.cs
+++ b/testDrm/src/Application.cs
@@ -40,7 +40,8 @@ using OpenTK.Platform.Linux;
namespace Crow
{
public class Application : IDisposable
- {
+ {
+ public bool Running = true;
DRI.GPUControler gpu;
Cairo.GLSurface cairoSurf;
@@ -61,9 +62,8 @@ namespace Crow
//
Crow.XCursor cursor;
int previousVT = -1, appVT = -1;
-//
- public Application(){
+ public Application(){
if (Kernel.signal (Signal.SIGUSR1, switch_request_handle) < 0)
throw new Exception ("signal handler registation failed");
if (Kernel.signal (Signal.SIGINT, sigint_handler) < 0)
@@ -83,17 +83,17 @@ namespace Crow
gpu = new DRI.GPUControler();
cairoSurf = gpu.CairoSurf;
- cursor = Crow.XCursorFile.Load("#Crow.Images.Icons.Cursors.arrow").Cursors[0];
-
CrowInterface = new Interface ();
Thread t = new Thread (interfaceThread);
+ t.Name = "Interface";
t.IsBackground = true;
t.Start ();
initInput ();
CrowInterface.ProcessResize (new Size (gpu.Width, gpu.Height));
+ cursor = Crow.XCursorFile.Load("#Crow.Images.Icons.Cursors.arrow").Cursors[0];
gpu.updateCursor (cursor);
//CrowInterface.MouseCursorChanged += CrowInterface_MouseCursorChanged;
}
@@ -105,8 +105,8 @@ namespace Crow
}
}
void sigint_handler (Signal s){
- Console.WriteLine ("SIGINT catched");
- //Running = false;
+ Console.WriteLine ("{0}: SIGINT catched", CrowMonitor.timer.ElapsedTicks);
+ Running = false;
}
// void CrowInterface_MouseCursorChanged (object sender, MouseCursorChangedEventArgs e)
// {
@@ -132,10 +132,16 @@ namespace Crow
// using (Cairo.Context ctx = new Cairo.Context (cairoSurf)) {
// ctx.Rectangle (0, 0, gpu.Width, gpu.Height);
-// ctx.SetSourceRGB (0, 0, 0.1);
+// ctx.SetSourceRGB (0, 0, 1);
+// ctx.Fill ();
+// ctx.Rectangle (5, 5, 50, 50);
+// ctx.SetSourceRGB (1, 0, 0);
+// ctx.Fill ();
+// ctx.Rectangle (1550, 850, 50, 50);
+// ctx.SetSourceRGB (0, 1, 0);
// ctx.Fill ();
// }
- if (Monitor.TryEnter (CrowInterface.RenderMutex)) {
+ if (CrowMonitor.TryEnter (CrowInterface.RenderMutex, "cairo paint dirty rect on backend surf")) {
if (CrowInterface.IsDirty) {
CrowInterface.IsDirty = false;
update = true;
@@ -149,9 +155,9 @@ namespace Crow
}
}
}
- Monitor.Exit (CrowInterface.RenderMutex);
+ CrowMonitor.Exit (CrowInterface.RenderMutex);
}
-
+//
// if (!update)
// return;
// update = false;
@@ -160,6 +166,8 @@ namespace Crow
cairoSurf.SwapBuffers ();
gpu.Update ();
+ //Thread.Sleep (1);
+ //gpu.MarkFBDirty ();
}
@@ -212,6 +220,7 @@ namespace Crow
void initInput (){
Semaphore ready = new Semaphore(0, 1);
input_thread = new Thread (InputThreadLoop);
+ input_thread.Name = "input_thread";
input_thread.IsBackground = true;
input_thread.Start(ready);
}
diff --git a/testDrm/src/Egl/Context.cs b/testDrm/src/Egl/Context.cs
index 122f2e72..b8efecc8 100644
--- a/testDrm/src/Egl/Context.cs
+++ b/testDrm/src/Egl/Context.cs
@@ -290,9 +290,6 @@ namespace EGL
[DllImportAttribute("libEGL.dll", EntryPoint = "eglWaitNative")]
[return: MarshalAsAttribute(UnmanagedType.I1)]
public static extern bool WaitNative(int engine);
- [DllImportAttribute("libEGL.dll", EntryPoint = "eglSwapBuffers")]
- [return: MarshalAsAttribute(UnmanagedType.I1)]
- public static extern bool SwapBuffers(EGLDisplay dpy, EGLSurface surface);
[DllImportAttribute("libEGL.dll", EntryPoint = "eglCopyBuffers")]
[return: MarshalAsAttribute(UnmanagedType.I1)]
public static extern bool CopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target);
diff --git a/testDrm/src/Egl/Surface.cs b/testDrm/src/Egl/Surface.cs
index ccfcaa9c..5a441a56 100644
--- a/testDrm/src/Egl/Surface.cs
+++ b/testDrm/src/Egl/Surface.cs
@@ -41,23 +41,26 @@ namespace EGL
{
#region pinvoke
[DllImportAttribute("libEGL.dll")]
- public static extern EGLSurface eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, IntPtr win, IntPtr attrib_list);
+ internal static extern EGLSurface eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, IntPtr win, IntPtr attrib_list);
[DllImportAttribute("libEGL.dll")]
- public static extern EGLSurface eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, int[] attrib_list);
+ internal static extern EGLSurface eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, int[] attrib_list);
[DllImportAttribute("libEGL.dll")]
- public static extern EGLSurface eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, int[] attrib_list);
+ internal static extern EGLSurface eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, int[] attrib_list);
[DllImportAttribute("libEGL.dll")][return: MarshalAsAttribute(UnmanagedType.I1)]
- public static extern bool eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
+ internal static extern bool eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
[DllImportAttribute("libEGL.dll")][return: MarshalAsAttribute(UnmanagedType.I1)]
- public static extern bool eglQuerySurface(EGLDisplay dpy, EGLSurface surface, int attribute, out int value);
+ internal static extern bool eglQuerySurface(EGLDisplay dpy, EGLSurface surface, int attribute, out int value);
[DllImportAttribute("libEGL.dll")]
- public static extern EGLSurface eglCreatePbufferFromClientBuffer(EGLDisplay dpy, int buftype, EGLClientBuffer buffer, EGLConfig config, int[] attrib_list);
+ internal static extern EGLSurface eglCreatePbufferFromClientBuffer(EGLDisplay dpy, int buftype, EGLClientBuffer buffer, EGLConfig config, int[] attrib_list);
[DllImportAttribute("libEGL.dll")][return: MarshalAsAttribute(UnmanagedType.I1)]
- public static extern bool eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, int attribute, int value);
+ internal static extern bool eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, int attribute, int value);
[DllImportAttribute("libEGL.dll")][return: MarshalAsAttribute(UnmanagedType.I1)]
- public static extern bool eglBindTexImage(EGLDisplay dpy, EGLSurface surface, int buffer);
+ internal static extern bool eglBindTexImage(EGLDisplay dpy, EGLSurface surface, int buffer);
[DllImportAttribute("libEGL.dll")][return: MarshalAsAttribute(UnmanagedType.I1)]
- public static extern bool eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, int buffer);
+ internal static extern bool eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, int buffer);
+ [DllImportAttribute("libEGL.dll")][return: MarshalAsAttribute(UnmanagedType.I1)]
+ internal static extern bool eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
+
#endregion
Context ctx;
@@ -75,6 +78,10 @@ namespace EGL
if (!Context.MakeCurrent(ctx.dpy, handle, handle, ctx.ctx))
throw new NotSupportedException(string.Format("eglMakeCurrent on surface Failed: {0}",Context.GetError()));
}
+ public void SwapBuffers () {
+ if (!eglSwapBuffers (ctx.dpy, handle))
+ throw new NotSupportedException(string.Format("eglSwapBuffers Failed: {0}",Context.GetError()));
+ }
#region IDisposable implementation
~Surface(){
diff --git a/testDrm/src/Linux/DRI.cs b/testDrm/src/Linux/DRI.cs
index c1f60a41..b509697d 100644
--- a/testDrm/src/Linux/DRI.cs
+++ b/testDrm/src/Linux/DRI.cs
@@ -27,6 +27,7 @@ using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Diagnostics;
+using System.Threading;
namespace Linux.DRI {
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
@@ -124,7 +125,8 @@ namespace Linux.DRI {
Resources resources = null;
Connector connector = null;
Crtc currentCrtc = null;
- ModeInfo currentMode;
+ ModeInfo currentMode, originalMode;
+ uint originalFB;
public GPUControler(string gpu_path = "/dev/dri/card0"){
fd_gpu = Libc.open(gpu_path, OpenFlags.ReadWrite | OpenFlags.CloseOnExec);
@@ -149,6 +151,42 @@ namespace Linux.DRI {
public int Width { get { return (int)currentMode.hdisplay; }}
public int Height { get { return (int)currentMode.vdisplay; }}
+ ModeInfo getNewMode(){
+ ModeInfo mode = currentCrtc.CurrentMode;
+ mode.clock = 118250;
+ mode.hdisplay = 1600;
+ mode.hsync_start = 1696;
+ mode.hsync_end = 1856;
+ mode.htotal = 2112;
+ mode.vdisplay = 900;
+ mode.vsync_start = 903;
+ mode.vsync_end = 908;
+ mode.vtotal = 934;
+ mode.flags |= (uint)VideoMode.NHSYNC;
+ mode.flags |= (uint)VideoMode.PVSYNC;
+ return mode;
+ }
+ unsafe void setNewMode(){
+
+ //currentCrtc.handle->mode = currentMode;
+// ModeInfo* mode = (ModeInfo*)Marshal.AllocHGlobal (sizeof(ModeInfo));// pConnector->modes;
+// *mode = currentMode;
+
+ uint fb;
+ GBM.gbm_bo* bo = GBM.BufferObject.gbm_bo_create (gbmDev.handle, (uint)Width, (uint)Height, GBM.SurfaceFormat.ARGB8888, GBM.SurfaceFlags.Scanout);
+ int ret = drmModeAddFB (fd_gpu, (uint)Width, (uint)Height, (byte)depth, (byte)bpp, bo->Stride, (uint)bo->Handle32, out fb);
+ if (ret != 0)
+ Console.WriteLine ("addFb failed: {0}", ret);
+ bo->SetUserData ((IntPtr)fb, handleDestroyFB);
+
+ uint connId = connector.Id;
+ ret = drmModeSetCrtc (fd_gpu, currentCrtc.Id, fb, 0, 0, &connId, 1, ref currentMode);
+ if (ret != 0)
+ Console.WriteLine ("set new mode setCrtc failed: {0}", ret);
+ //GBM.BufferObject.gbm_bo_destroy (bo);
+
+ //Console.WriteLine ("new mode set to {0} x {1}", Width, Height);
+ }
bool defaultConfiguration (){
//select the first connected connector
foreach (Connector c in resources.Connectors) {
@@ -161,12 +199,17 @@ namespace Linux.DRI {
return false;
currentCrtc = connector.CurrentEncoder.CurrentCrtc;
- currentMode = currentCrtc.CurrentMode;
-
+ originalMode = currentCrtc.CurrentMode;
+ originalFB = currentCrtc.CurrentFbId;
+ currentMode = getNewMode();
+
+
//configure a rendering stack
gbmSurf = new GBM.Surface (gbmDev, Width, Height,
GBM.SurfaceFlags.Rendering | GBM.SurfaceFlags.Scanout);
+ setNewMode ();
+
eglSurf = new EGL.Surface (eglctx, gbmSurf);
eglSurf.MakeCurrent ();
@@ -179,7 +222,17 @@ namespace Linux.DRI {
if (cairoDev.Acquire () != Cairo.Status.Success)
Console.WriteLine ("[Cairo]: Failed to acquire egl device.");
-
+
+// using (Cairo.Context ctx = new Cairo.Context (CairoSurf)) {
+// ctx.Rectangle (0, 0, Width, Height);
+// ctx.SetSourceRGB (0, 0, 1);
+// ctx.Fill ();
+// }
+// CairoSurf.Flush ();
+// CairoSurf.SwapBuffers ();
+// Update ();
+
+ //Thread.Sleep (1);
return true;
}
void handleDestroyFB(ref GBM.gbm_bo bo, IntPtr data)
@@ -200,126 +253,38 @@ namespace Linux.DRI {
GBM.gbm_bo* bo;
uint fb;
-// PollFD fds = new PollFD();
-// fds.fd = fd_gpu;
-// fds.events = PollFlags.In;
-//
-// EventContext evctx = new EventContext();
-// evctx.version = EventContext.Version;
-// evctx.page_flip_handler = PageFlipPtr;
-
-// int timeout = -1;//block ? -1 : 0;
-//
-
if (!gbmSurf.HasFreeBuffers)
throw new NotSupportedException("[GBM] Out of free buffer");
bo = gbmSurf.Lock ();
- //fb = getFbFromBo (bo);
- //unsafe {
- //Console.WriteLine ("current fb: {0}", currentCrtc.CurrentFbId);
- //if (currentCrtc.CurrentFbId == 0)
- int ret = drmModeAddFB (fd_gpu, currentMode.hdisplay, currentMode.vdisplay, (byte)depth, (byte)bpp, bo->Stride, (uint)bo->Handle32, out fb);
- if (ret != 0)
- Console.WriteLine ("addFb failed: {0}", ret);
- //else
- // fb = currentCrtc.CurrentFbId;
- bo->SetUserData ((IntPtr)fb, handleDestroyFB);
+ int ret = drmModeAddFB (fd_gpu, currentMode.hdisplay, currentMode.vdisplay, (byte)depth, (byte)bpp, bo->Stride, (uint)bo->Handle32, out fb);
+ if (ret != 0)
+ Console.WriteLine ("addFb failed: {0}", ret);
+ bo->SetUserData ((IntPtr)fb, handleDestroyFB);
- uint connId = connector.Id;
- ret = drmModeSetCrtc (fd_gpu, currentCrtc.Id, fb, 0, 0, &connId, 1, ref currentMode);
- if (ret != 0)
- Console.WriteLine ("setCrtc failed: {0}", ret);
- //}
- gbmSurf.Release (bo);
+ uint connId = connector.Id;
+ ret = drmModeSetCrtc (fd_gpu, currentCrtc.Id, fb, 0, 0, &connId, 1, ref currentMode);
+ if (ret != 0)
+ Console.WriteLine ("setCrtc failed: {0}", ret);
- //bo.Dispose ();
-//
-// SetScanoutRegion (fb);
-// drmTimeOut.Restart();
-//
-// while (run && drmTimeOut.ElapsedMilliseconds < 10000){
-// BufferObject next_bo;
-// bool update = false;
-//
-// if (updateMousePos) {
-// lock (Sync) {
-// updateMousePos = false;
-// unsafe {
-// Drm.MoveCursor (fd_gpu, pEncoder->crtc_id, MouseX-8, MouseY-4);
-// }
-// }
-// }
-//
-// if (Monitor.TryEnter (CrowInterface.RenderMutex)) {
-// if (CrowInterface.IsDirty) {
-// CrowInterface.IsDirty = false;
-// update = true;
-// using (Cairo.Context ctx = new Cairo.Context (cairoSurf)) {
-// using (Cairo.Surface d = new Cairo.ImageSurface (CrowInterface.dirtyBmp, Cairo.Format.Argb32,
-// width, height, width * 4)) {
-// ctx.SetSourceSurface (d, 0, 0);
-// ctx.Operator = Cairo.Operator.Source;
-// ctx.Paint ();
-// }
-// }
-// }
-// Monitor.Exit (CrowInterface.RenderMutex);
-// }
-//
-// if (!update)
-// continue;
-// update = false;
-//
-// cairoSurf.Flush ();
-// cairoSurf.SwapBuffers ();
-//
-// if (Gbm.HasFreeBuffers (gbm_surface) == 0)
-// throw new Exception ("[GBM]: Out of free buffers.");
-//
-// next_bo = Gbm.LockFrontBuffer (gbm_surface);
-// if (next_bo == BufferObject.Zero)
-// throw new Exception ("[GBM]: Failed to lock front buffer.");
-//
-// fb = getFbFromBo (next_bo);
-//
-// unsafe{
-// int is_flip_queued = 1;
-//
-// while (Drm.ModePageFlip (fd_gpu, pEncoder->crtc_id, fb, PageFlipFlags.FlipEvent, ref is_flip_queued) < 0) {
-// //Console.WriteLine ("[DRM] Failed to enqueue framebuffer flip.");
-// continue;
-// }
-//
-// while (is_flip_queued != 0)
-// {
-// fds.revents = 0;
-// if (Libc.poll (ref fds, 1, timeout) < 0)
-// break;
-//
-// if ((fds.revents & (PollFlags.Hup | PollFlags.Error)) != 0)
-// break;
-//
-// if ((fds.revents & PollFlags.In) != 0)
-// Drm.HandleEvent (fd_gpu, ref evctx);
-// else
-// break;
-// Thread.Sleep (1);
-// }
-// if (is_flip_queued != 0)
-// Console.WriteLine ("flip canceled");
-//
-// Gbm.ReleaseBuffer (gbm_surface, bo);
-// //Drm.ModeRmFB(fd_gpu, fb);
-//
-// bo = next_bo;
-// next_bo = BufferObject.Zero;
-//
-// }
-// }
+ gbmSurf.Release (bo);
+ }
+ [StructLayout(LayoutKind.Sequential)]
+ struct drmClip {
+ public ushort x1;
+ public ushort y1;
+ public ushort x2;
+ public ushort y2;
+ }
+ unsafe public void MarkFBDirty(){
+ IntPtr pClip = Marshal.AllocHGlobal (sizeof(drmClip));
+ drmClip dc = new drmClip () { x1 = 0, y1 = 0, x2 = 500, y2 = 500 };
+ Marshal.StructureToPtr (dc, pClip,false);
+ int ret = drmModeDirtyFB (fd_gpu, currentCrtc.CurrentFbId, IntPtr.Zero, 0);
+ if (ret < 0)
+ Console.WriteLine ("set FB dirty failed: {0}", ret);
}
-
#region cursor
GBM.BufferObject boMouseCursor;
@@ -359,28 +324,7 @@ namespace Linux.DRI {
drmModeMoveCursor (fd_gpu, currentCrtc.Id, x, y);
}
#endregion
-// void initGbm (){
-// gbm_surface = Gbm.CreateSurface(gbm_device, mode.hdisplay, mode.vdisplay, SurfaceFormat.ARGB8888, SurfaceFlags.Rendering | SurfaceFlags.Scanout);
-// if (gbm_surface == IntPtr.Zero)
-// throw new NotSupportedException("[GBM] Failed to create GBM surface for rendering");
-//
-// unsafe {
-// gbm_bo* bo = Gbm.CreateBO (gbm_device, mode.hdisplay, mode.vdisplay, SurfaceFormat.ARGB8888, SurfaceFlags.Scanout);
-// if (bo == null)
-// Console.WriteLine ("failed to create a BufferObject for screen 0");
-// else {
-// uint fb_id = screens [0].BindBuffer (bo);
-// // if (paint (bo))
-// // Console.WriteLine ("[DRI] bo paint succeed");
-// // ModeDirtyFB (fd_gpu, fb_id, IntPtr.Zero, 0);
-// }
-// // //Gbm.DestroyBuffer (bo);
-// ModeAddFB (fd_gpu, bo->Width, bo->Height,(byte)depth, (byte)bpp, bo->Stride, bo->Handle32, out fb_id);
-// bo->SetUserData ((IntPtr)fb_id, IntPtr.Zero);
-//
-// int ret = ModeSetCrtc(fd_gpu, crtc_id, fb_id, x, y, &connector_id, 1, ref mode);
-// }
-// }
+
// unsafe public drmPlane GetPlane (uint id) {
// drmPlane p = new drmPlane();
// drmPlane* pPlane = ModeGetPlane (fd_gpu, id);
@@ -418,6 +362,13 @@ namespace Linux.DRI {
CairoSurf = null;
}
+ uint connId = connector.Id;
+ unsafe{
+ int ret = drmModeSetCrtc (fd_gpu, currentCrtc.Id, originalFB, 0, 0, &connId, 1, ref originalMode);
+ if (ret != 0)
+ Console.WriteLine ("restore Crtc failed: {0}", ret);
+ }
+
if (boMouseCursor != null)
boMouseCursor.Dispose ();
boMouseCursor = null;
@@ -452,9 +403,8 @@ namespace Linux.DRI {
byte bpp, uint stride, uint bo_handle, out uint buf_id);
[DllImport(lib, CallingConvention = CallingConvention.Cdecl)]
public static extern int drmModeRmFB(int fd, int bufferId);
- [DllImport(lib, EntryPoint = "drmModeDirtyFB", CallingConvention = CallingConvention.Cdecl)]
- public static extern int ModeDirtyFB(int fd, uint bufferId, IntPtr clips, uint num_clips);
-
+ [DllImport(lib, CallingConvention = CallingConvention.Cdecl)]
+ public static extern int drmModeDirtyFB(int fd, uint bufferId, IntPtr clips, uint num_clips);
[DllImport(lib, EntryPoint = "drmModeGetFB", CallingConvention = CallingConvention.Cdecl)]
unsafe internal static extern drmFrameBuffer* ModeGetFB(int fd, uint fb_id);
@@ -481,6 +431,9 @@ namespace Linux.DRI {
[DllImport(lib, CallingConvention = CallingConvention.Cdecl)]
unsafe static extern int drmModeSetCrtc(int fd, uint crtcId, uint bufferId, uint x, uint y, uint* connectors, int count, ref ModeInfo mode);
+ [DllImport(lib, EntryPoint = "drmModeSetCrtc", CallingConvention = CallingConvention.Cdecl)]
+ unsafe static extern int ModeSetCrtc(int fd, uint crtcId, uint bufferId, uint x, uint y, uint* connectors, int count, ModeInfo* mode);
+
[DllImport(lib, CallingConvention = CallingConvention.Cdecl)]
internal static extern int drmModeSetCursor2(int fd, uint crtcId, uint bo_handle, uint width, uint height, int hot_x, int hot_y);
diff --git a/testDrm/src/Linux/DRI/Connector.cs b/testDrm/src/Linux/DRI/Connector.cs
index 97acf4b8..9021cfad 100644
--- a/testDrm/src/Linux/DRI/Connector.cs
+++ b/testDrm/src/Linux/DRI/Connector.cs
@@ -128,7 +128,7 @@ namespace Linux.DRI
#endregion
int fd_gpu;
- drmConnector* handle;
+ internal drmConnector* handle;
#region ctor
public Connector (int _fd_gpu, uint _id)
diff --git a/testDrm/src/Linux/DRI/Encoder.cs b/testDrm/src/Linux/DRI/Encoder.cs
index a3b3b705..09376501 100644
--- a/testDrm/src/Linux/DRI/Encoder.cs
+++ b/testDrm/src/Linux/DRI/Encoder.cs
@@ -50,7 +50,7 @@ namespace Linux.DRI
#endregion
int fd_gpu;
- drmEncoder* handle;
+ internal drmEncoder* handle;
#region ctor
unsafe internal Encoder (int _fd_gpu, uint _id)
diff --git a/testDrm/src/Linux/GBM/BufferObject.cs b/testDrm/src/Linux/GBM/BufferObject.cs
index fd6adcb8..7f6012b3 100644
--- a/testDrm/src/Linux/GBM/BufferObject.cs
+++ b/testDrm/src/Linux/GBM/BufferObject.cs
@@ -55,7 +55,7 @@ namespace Linux.GBM
{
#region pinvoke
[DllImport("gbm", CallingConvention = CallingConvention.Cdecl)]
- static extern gbm_bo* gbm_bo_create (IntPtr gbm, uint width, uint height, SurfaceFormat format, SurfaceFlags flags);
+ internal static extern gbm_bo* gbm_bo_create (IntPtr gbm, uint width, uint height, SurfaceFormat format, SurfaceFlags flags);
[DllImport("gbm", CallingConvention = CallingConvention.Cdecl)]
internal static extern void gbm_bo_destroy (gbm_bo* bo);
[DllImport("gbm", CallingConvention = CallingConvention.Cdecl)]
generated by cgit v1.3.1-4-g156e (git 2.54.0) at 2026-11-12 13:56:00 +0000