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Re-add Linux and (hopefully) Mac support

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I have tested Windows and Ubuntu (Linux). I didn't test Mac but I am reasonably confident that it should work.
This commit is contained in:
James Seibel
2021-10-02 21:08:15 -05:00
parent eeff5437b5
commit d7a1d330d9
3 changed files with 36 additions and 149 deletions
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src/main/java/com/seibel/lod/proxy/GlProxy.java
+25 -138
View File
@@ -1,15 +1,8 @@
package com.seibel.lod.proxy;
import org.apache.commons.lang3.SystemUtils;
import org.lwjgl.PointerBuffer;
import org.lwjgl.opengl.CGL;
import org.lwjgl.glfw.GLFW;
import org.lwjgl.opengl.GL;
import org.lwjgl.opengl.GLCapabilities;
import org.lwjgl.opengl.GLX;
import org.lwjgl.opengl.GLX14;
import org.lwjgl.opengl.WGL;
import org.lwjgl.system.linux.X11;
import org.lwjgl.system.linux.XVisualInfo;
import com.mojang.blaze3d.systems.RenderSystem;
import com.seibel.lod.enums.GlProxyContext;
@@ -27,37 +20,23 @@ import com.seibel.lod.enums.GlProxyContext;
*
*
* @author James Seibel
* @version 10-1-2021
* @version 10-2-2021
*/
public class GlProxy
{
private static GlProxy instance = null;
// windows context variables
private long windowsDeviceContext;
// mac context variables
private long macPixelFormat;
// linux context variables
long linuxDisplayID;
long linuxMcDrawable;
long linuxMcReadDrawable;
long linuxLodBuilderDrawable;
long linuxLodBuilderReadDrawable;
/** Minecraft's GLFW window */
public final long minecraftGlContext;
/** Minecraft's GL context */
public final GLCapabilities minecraftGlCapabilities;
/** the LodBuilder's GLFW window */
public final long lodBuilderGlContext;
/** the LodBuilder's GL context */
public final GLCapabilities lodBuilderGlCapabilities;
/** This is just used for debugging, hopefuly it can be removed once
/** This is just used for debugging, hopefully it can be removed once
* the context switching is more stable. */
public Thread lodBuilderOwnerThread = null;
@@ -80,81 +59,25 @@ public class GlProxy
// create the builder context //
//============================//
// get Minecraft's context
minecraftGlContext = GLFW.glfwGetCurrentContext();
minecraftGlCapabilities = GL.getCapabilities();
// run OS specific context creation code
if (SystemUtils.IS_OS_WINDOWS)
{
ClientProxy.LOGGER.info(GlProxy.class.getSimpleName() + " Running Windows setup.");
// get Minecraft variables
minecraftGlContext = WGL.wglGetCurrentContext();
windowsDeviceContext = WGL.wglGetCurrentDC();
// setup the lodBuilder variables
lodBuilderGlContext = WGL.wglCreateContext(windowsDeviceContext);
if (!WGL.wglShareLists(minecraftGlContext, lodBuilderGlContext))
throw new IllegalStateException("Unable to share lists between Minecraft and builder contexts.");
if (!WGL.wglMakeCurrent(windowsDeviceContext, lodBuilderGlContext))
throw new IllegalStateException("Unable to change OpenGL contexts! tried to change to [" + GlProxyContext.LOD_BUILDER.toString() + "] from [" + GlProxyContext.MINECRAFT.toString() + "]");
lodBuilderGlCapabilities = GL.createCapabilities();
}
else if (SystemUtils.IS_OS_MAC)
{
ClientProxy.LOGGER.info(GlProxy.class.getSimpleName() + " Running Mac setup.");
// get Minecraft variables
minecraftGlContext = CGL.CGLGetCurrentContext();
macPixelFormat = CGL.CGLGetPixelFormat(minecraftGlContext);
// setup the lodBuilder variables
lodBuilderGlContext = CGL.CGLCreateContext(macPixelFormat, minecraftGlContext, null);
lodBuilderGlCapabilities = GL.createCapabilities();
}
else
{
// if we can't determine the OS, default to linux
if (SystemUtils.IS_OS_LINUX)
ClientProxy.LOGGER.info(GlProxy.class.getSimpleName() + " Running Linux setup.");
else
ClientProxy.LOGGER.info(GlProxy.class.getSimpleName() + " Unkown OS: [" + SystemUtils.OS_NAME + "] Running Linux setup.");
// get Minecraft variables //
minecraftGlContext = GLX14.glXGetCurrentContext();
linuxDisplayID = GLX14.glXGetCurrentDisplay();
// setup the lodBuilder variables //
linuxMcDrawable = GLX14.glXGetCurrentDrawable();
linuxMcReadDrawable = GLX14.glXGetCurrentReadDrawable();
// single buffered example config
// int attributeList[] = { GLX.GLX_RGBA,
// GLX.GLX_RED_SIZE, 1,
// GLX.GLX_GREEN_SIZE, 1,
// GLX.GLX_BLUE_SIZE, 1,
// GLX.GLX_DEPTH_SIZE, 12,
// X11.None };
// use the defaults for all config options
int attributeList[] = { X11.None };
PointerBuffer config = GLX14.glXChooseFBConfig(linuxDisplayID, 0, attributeList);
XVisualInfo visualInfo = GLX14.glXGetVisualFromFBConfig(linuxDisplayID, config.address());
lodBuilderGlContext = GLX14.glXCreateContext(linuxDisplayID, visualInfo, minecraftGlContext, false);
lodBuilderGlCapabilities = GL.createCapabilities();
linuxLodBuilderDrawable = GLX14.glXGetCurrentDrawable();
linuxLodBuilderReadDrawable = GLX14.glXGetCurrentReadDrawable();
}
// create the LodBuilder's context
// Hopefully this shouldn't cause any issues with other mods that need custom contexts
// (although the number that do should be relatively few)
GLFW.glfwWindowHint(GLFW.GLFW_VISIBLE, GLFW.GLFW_FALSE);
// create an invisible window to hold the context
lodBuilderGlContext = GLFW.glfwCreateWindow(640, 480, "LOD window", 0L, minecraftGlContext);
GLFW.glfwMakeContextCurrent(lodBuilderGlContext);
lodBuilderGlCapabilities = GL.createCapabilities();
// Since this is called on the render thread, make sure the Minecraft context is used in the end
setGlContext(GlProxyContext.MINECRAFT);
GLFW.glfwMakeContextCurrent(minecraftGlContext);
GL.setCapabilities(minecraftGlCapabilities);
@@ -192,25 +115,17 @@ public class GlProxy
long contextPointer = 0L;
long linuxDrawable = 0L;
long linuxReadDrawable = 0L;
GLCapabilities newGlCapabilities = null;
// get the pointer(s) for this context
switch(newContext)
{
case LOD_BUILDER:
linuxDrawable = linuxLodBuilderDrawable;
linuxReadDrawable = linuxLodBuilderReadDrawable;
contextPointer = lodBuilderGlContext;
newGlCapabilities = lodBuilderGlCapabilities;
break;
case MINECRAFT:
linuxDrawable = linuxMcDrawable;
linuxReadDrawable = linuxMcReadDrawable;
contextPointer = minecraftGlContext;
newGlCapabilities = minecraftGlCapabilities;
break;
@@ -218,8 +133,6 @@ public class GlProxy
default: // default should never happen, it is just here to make the compiler happy
case NONE:
// 0L is equivalent to null
linuxDrawable = 0L;
linuxReadDrawable = 0L;
contextPointer = 0L;
newGlCapabilities = null;
@@ -227,26 +140,7 @@ public class GlProxy
}
String contextSwitchError = "Unable to change OpenGL contexts! tried to change to [" + newContext.toString() + "] from [" + currentContext.toString() + "] on thread: [" + Thread.currentThread().getName() + "] lod builder owner thread: " + (lodBuilderOwnerThread != null ? lodBuilderOwnerThread.getName() : "null");
// run the OS specific context switching code
if (SystemUtils.IS_OS_WINDOWS)
{
if (!WGL.wglMakeCurrent(windowsDeviceContext, contextPointer))
throw new IllegalStateException(contextSwitchError);
}
else if (SystemUtils.IS_OS_MAC)
{
if (CGL.CGLSetCurrentContext(contextPointer) != CGL.kCGLNoError)
throw new IllegalStateException(contextSwitchError);
}
else //if (SystemUtils.IS_OS_LINUX)
{
// default to linux
if (!GLX14.glXMakeContextCurrent(linuxDisplayID, linuxDrawable, linuxReadDrawable, contextPointer))
throw new IllegalStateException(contextSwitchError);
}
GLFW.glfwMakeContextCurrent(contextPointer);
GL.setCapabilities(newGlCapabilities);
@@ -265,14 +159,7 @@ public class GlProxy
/** Returns this thread's OpenGL context. */
public GlProxyContext getGlContext()
{
long currentContext;
if (SystemUtils.IS_OS_WINDOWS)
currentContext = WGL.wglGetCurrentContext();
else if (SystemUtils.IS_OS_MAC)
currentContext = CGL.CGLGetCurrentContext();
else //if (SystemUtils.IS_OS_LINUX) // default to Linux
currentContext = GLX.glXGetCurrentContext();
long currentContext = GLFW.glfwGetCurrentContext();
if(currentContext == lodBuilderGlContext)
@@ -294,7 +181,8 @@ public class GlProxy
{
if (instance == null)
instance = new GlProxy();
}catch (Exception e)
}
catch (Exception e)
{
e.printStackTrace();
}
@@ -309,5 +197,4 @@ public class GlProxy
}