wisplite/distant-horizons-core-sharded
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Change quadElementBuffer to only use DATA

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This commit is contained in:
James Seibel
2026-02-13 07:35:38 -06:00
parent 2d70388587
commit 2f4587579f
2 changed files with 87 additions and 69 deletions
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core/src/main/java/com/seibel/distanthorizons/core/render/glObject/buffer/QuadElementBuffer.java
+85 -67
View File
@@ -37,14 +37,94 @@ public class QuadElementBuffer extends GLElementBuffer
private static final DhLogger LOGGER = new DhLoggerBuilder().build();
public QuadElementBuffer()
//=============//
// constructor //
//=============//
//region
public QuadElementBuffer() { super(false); }
public void reserve(int quadCount)
{
super(GLProxy.getInstance().bufferStorageSupported);
if (quadCount < 0)
{
throw new IllegalArgumentException("quadCount must be greater than 0");
}
if (quadCount == 0)
{
// shouldn't happen, but just in case
return;
}
public int getCapacity()
this.indicesCount = quadCount * 6; // 2 triangles per quad
if (this.indicesCount >= this.getCapacity()
&& this.indicesCount < this.getCapacity() * BUFFER_SHRINK_TRIGGER)
{
return super.getSize() / GLEnums.getTypeSize(this.getType());
return;
}
int vertexCount = quadCount * 4; // 4 vertices per quad
if (vertexCount < 255)
{
// Reserve 1 for the reset index
this.type = GL32.GL_UNSIGNED_BYTE;
}
else if (vertexCount < 65535)
{
// Reserve 1 for the reset index
this.type = GL32.GL_UNSIGNED_SHORT;
}
else
{
this.type = GL32.GL_UNSIGNED_INT;
}
ByteBuffer buffer = MemoryUtil.memAlloc(this.indicesCount * GLEnums.getTypeSize(this.type));
buildBuffer(quadCount, buffer, this.type);
this.bind();
super.uploadBuffer(buffer, EDhApiGpuUploadMethod.DATA,
this.indicesCount * GLEnums.getTypeSize(this.type), GL32.GL_STATIC_DRAW);
MemoryUtil.memFree(buffer);
}
//endregion
//=========//
// getters //
//=========//
//region
public int getCapacity() { return super.getSize() / GLEnums.getTypeSize(this.getType()); }
//endregion
//==========//
// building //
//==========//
//region
private static void buildBuffer(int quadCount, ByteBuffer buffer, int type)
{
switch (type)
{
case GL32.GL_UNSIGNED_BYTE:
buildBufferByte(quadCount, buffer);
break;
case GL32.GL_UNSIGNED_SHORT:
buildBufferShort(quadCount, buffer);
break;
case GL32.GL_UNSIGNED_INT:
buildBufferInt(quadCount, buffer);
break;
default:
throw new IllegalStateException("Unknown buffer type: [" + type + "].");
}
}
private static void buildBufferByte(int quadCount, ByteBuffer buffer)
@@ -108,70 +188,8 @@ public class QuadElementBuffer extends GLElementBuffer
buffer.rewind();
}
private static void buildBuffer(int quadCount, ByteBuffer buffer, int type)
{
switch (type)
{
case GL32.GL_UNSIGNED_BYTE:
buildBufferByte(quadCount, buffer);
break;
case GL32.GL_UNSIGNED_SHORT:
buildBufferShort(quadCount, buffer);
break;
case GL32.GL_UNSIGNED_INT:
buildBufferInt(quadCount, buffer);
break;
default:
throw new IllegalStateException("Unknown type: " + type);
}
}
//endregion
public void reserve(int quadCount)
{
if (quadCount < 0)
{
throw new IllegalArgumentException("quadCount must be greater than 0");
}
if (quadCount == 0) return; // FIXME: This doesn't happens yet, but just add this since everything will break if it does
this.indicesCount = quadCount * 6; // 2 triangles per quad
if (this.indicesCount >= this.getCapacity() && this.indicesCount < this.getCapacity() * BUFFER_SHRINK_TRIGGER)
{
return;
}
int vertexCount = quadCount * 4; // 4 vertices per quad
if (vertexCount < 255)
{ // Reserve 1 for the reset index
this.type = GL32.GL_UNSIGNED_BYTE;
}
else if (vertexCount < 65535)
{ // Reserve 1 for the reset index
this.type = GL32.GL_UNSIGNED_SHORT;
}
else
{
this.type = GL32.GL_UNSIGNED_INT;
}
//LOGGER.info("Quad IBO Resizing from [" + getCapacity() + "] to [" + quadCount + "]" + " with type: [" + GLEnums.getString(this.type) + "].");
ByteBuffer buffer = MemoryUtil.memAlloc(this.indicesCount * GLEnums.getTypeSize(this.type));
buildBuffer(quadCount, buffer, this.type);
if (!GLProxy.getInstance().bufferStorageSupported)
{
this.bind();
super.uploadBuffer(buffer, EDhApiGpuUploadMethod.DATA,
this.indicesCount * GLEnums.getTypeSize(this.type), GL32.GL_STATIC_DRAW);
}
else
{
this.bind();
super.uploadBuffer(buffer, EDhApiGpuUploadMethod.BUFFER_STORAGE,
this.indicesCount * GLEnums.getTypeSize(this.type), 0);
}
MemoryUtil.memFree(buffer);
}
}
core/src/main/java/com/seibel/distanthorizons/core/render/renderer/RenderParams.java
+1 -1
View File
@@ -158,7 +158,7 @@ public class RenderParams extends DhApiRenderParam
// Once MC starts rendering, wait a few seconds so
// MC/Sodium can finish their shader compiling before DH does its own.
// This will allow DH to compile its own shaders after Sodium finishes
// compiling it's own.
// compiling its own.
long nowMs = System.currentTimeMillis();
long firstAllowedRenderTimeMs = firstRenderTimeMs + TIME_FOR_MAC_TO_FINISH_COMPILING_IN_MS;