mirror of
https://github.com/Jozufozu/Flywheel.git
synced 2024-09-20 20:52:34 +02:00
We have planes at home
- Don't use FrustumIntersection as intermediary for writing planes in indirect rendering. - Move all computation and writing to FlwUtil. - Remove corresponding methods from JOML class.
This commit is contained in:
Jozufozu
parent
a526a48d23
commit
ba69b893c8
@ -9,6 +9,7 @@ import com.jozufozu.flywheel.backend.instancing.InstancedRenderDispatcher;
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import com.jozufozu.flywheel.core.Components;
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import com.jozufozu.flywheel.core.RenderContext;
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import com.jozufozu.flywheel.event.BeginFrameEvent;
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import com.jozufozu.flywheel.util.FlwUtil;
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import com.jozufozu.flywheel.util.MatrixUtil;
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import com.mojang.blaze3d.systems.RenderSystem;
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@ -128,9 +129,10 @@ public class FlwShaderUniforms implements ShaderUniforms {
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return;
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}
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var shiftedCuller = RenderContext.createCuller(context.viewProjection(), -camX, -camY, -camZ);
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var projection = MatrixUtil.toJoml(context.viewProjection());
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projection.translate(-camX, -camY, -camZ);
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shiftedCuller.getJozuPackedPlanes(ptr + 128);
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FlwUtil.writePackedFrustumPlanes(ptr + 128, projection);
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FRUSTUM_CAPTURE = false;
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}
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@ -6,6 +6,10 @@ import java.util.Set;
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import java.util.WeakHashMap;
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import java.util.stream.Stream;
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import org.lwjgl.system.MemoryUtil;
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import com.jozufozu.flywheel.util.joml.Math;
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import com.jozufozu.flywheel.util.joml.Matrix4f;
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import com.mojang.blaze3d.vertex.PoseStack;
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public class FlwUtil {
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@ -74,4 +78,118 @@ public class FlwUtil {
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public static <T> Set<T> createWeakHashSet() {
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return Collections.newSetFromMap(new WeakHashMap<>());
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}
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/**
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* Writes the frustum planes of the given projection matrix to the given buffer.<p>
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* Uses a different format that is friendly towards an optimized instruction-parallel
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* implementation of sphere-frustum intersection.<p>
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* The format is as follows:<p>
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* {@code vec4(nxX, pxX, nyX, pyX)}<br>
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* {@code vec4(nxY, pxY, nyY, pyY)}<br>
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* {@code vec4(nxZ, pxZ, nyZ, pyZ)}<br>
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* {@code vec4(nxW, pxW, nyW, pyW)}<br>
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* {@code vec2(nzX, pzX)}<br>
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* {@code vec2(nzY, pzY)}<br>
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* {@code vec2(nzZ, pzZ)}<br>
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* {@code vec2(nzW, pzW)}<br>
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* <p>
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* Writes 96 bytes to the buffer.
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*
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* @param ptr The buffer to write the planes to.
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* @param m The projection matrix to compute the frustum planes for.
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*/
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public static void writePackedFrustumPlanes(long ptr, Matrix4f m) {
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float nxX, nxY, nxZ, nxW;
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float pxX, pxY, pxZ, pxW;
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float nyX, nyY, nyZ, nyW;
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float pyX, pyY, pyZ, pyW;
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float nzX, nzY, nzZ, nzW;
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float pzX, pzY, pzZ, pzW;
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float invl;
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nxX = m.m03() + m.m00();
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nxY = m.m13() + m.m10();
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nxZ = m.m23() + m.m20();
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nxW = m.m33() + m.m30();
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invl = Math.invsqrt(nxX * nxX + nxY * nxY + nxZ * nxZ);
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nxX *= invl;
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nxY *= invl;
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nxZ *= invl;
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nxW *= invl;
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pxX = m.m03() - m.m00();
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pxY = m.m13() - m.m10();
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pxZ = m.m23() - m.m20();
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pxW = m.m33() - m.m30();
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invl = Math.invsqrt(pxX * pxX + pxY * pxY + pxZ * pxZ);
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pxX *= invl;
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pxY *= invl;
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pxZ *= invl;
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pxW *= invl;
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nyX = m.m03() + m.m01();
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nyY = m.m13() + m.m11();
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nyZ = m.m23() + m.m21();
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nyW = m.m33() + m.m31();
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invl = Math.invsqrt(nyX * nyX + nyY * nyY + nyZ * nyZ);
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nyX *= invl;
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nyY *= invl;
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nyZ *= invl;
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nyW *= invl;
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pyX = m.m03() - m.m01();
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pyY = m.m13() - m.m11();
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pyZ = m.m23() - m.m21();
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pyW = m.m33() - m.m31();
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invl = Math.invsqrt(pyX * pyX + pyY * pyY + pyZ * pyZ);
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pyX *= invl;
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pyY *= invl;
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pyZ *= invl;
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pyW *= invl;
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nzX = m.m03() + m.m02();
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nzY = m.m13() + m.m12();
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nzZ = m.m23() + m.m22();
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nzW = m.m33() + m.m32();
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invl = Math.invsqrt(nzX * nzX + nzY * nzY + nzZ * nzZ);
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nzX *= invl;
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nzY *= invl;
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nzZ *= invl;
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nzW *= invl;
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pzX = m.m03() - m.m02();
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pzY = m.m13() - m.m12();
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pzZ = m.m23() - m.m22();
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pzW = m.m33() - m.m32();
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invl = Math.invsqrt(pzX * pzX + pzY * pzY + pzZ * pzZ);
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pzX *= invl;
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pzY *= invl;
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pzZ *= invl;
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pzW *= invl;
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MemoryUtil.memPutFloat(ptr, nxX);
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MemoryUtil.memPutFloat(ptr + 4, pxX);
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MemoryUtil.memPutFloat(ptr + 8, nyX);
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MemoryUtil.memPutFloat(ptr + 12, pyX);
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MemoryUtil.memPutFloat(ptr + 16, nxY);
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MemoryUtil.memPutFloat(ptr + 20, pxY);
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MemoryUtil.memPutFloat(ptr + 24, nyY);
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MemoryUtil.memPutFloat(ptr + 28, pyY);
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MemoryUtil.memPutFloat(ptr + 32, nxZ);
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MemoryUtil.memPutFloat(ptr + 36, pxZ);
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MemoryUtil.memPutFloat(ptr + 40, nyZ);
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MemoryUtil.memPutFloat(ptr + 44, pyZ);
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MemoryUtil.memPutFloat(ptr + 48, nxW);
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MemoryUtil.memPutFloat(ptr + 52, pxW);
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MemoryUtil.memPutFloat(ptr + 56, nyW);
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MemoryUtil.memPutFloat(ptr + 60, pyW);
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MemoryUtil.memPutFloat(ptr + 64, nzX);
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MemoryUtil.memPutFloat(ptr + 68, pzX);
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MemoryUtil.memPutFloat(ptr + 72, nzY);
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MemoryUtil.memPutFloat(ptr + 76, pzY);
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MemoryUtil.memPutFloat(ptr + 80, nzZ);
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MemoryUtil.memPutFloat(ptr + 84, pzZ);
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MemoryUtil.memPutFloat(ptr + 88, nzW);
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MemoryUtil.memPutFloat(ptr + 92, pzW);
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}
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}
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@ -989,58 +989,4 @@ public class FrustumIntersection {
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return result.div(f);
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}
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/**
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* Writes the planes of this frustum to the given buffer.<p>
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* Uses a different format that is friendly towards an optimized instruction-parallel
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* implementation of sphere-frustum intersection.<p>
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* The format is as follows:<p>
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* {@code vec4(nxX, pxX, nyX, pyX)}<br>
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* {@code vec4(nxY, pxY, nyY, pyY)}<br>
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* {@code vec4(nxZ, pxZ, nyZ, pyZ)}<br>
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* {@code vec4(nxW, pxW, nyW, pyW)}<br>
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* {@code vec2(nzX, pzX)}<br>
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* {@code vec2(nzY, pzY)}<br>
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* {@code vec2(nzZ, pzZ)}<br>
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* {@code vec2(nzW, pzW)}<br>
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*
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* @param addr The buffer to write the planes to.
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*/
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public void getJozuPackedPlanes(long addr) {
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MemoryUtil.memPutFloat(addr, nxX);
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MemoryUtil.memPutFloat(addr + 4, pxX);
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MemoryUtil.memPutFloat(addr + 8, nyX);
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MemoryUtil.memPutFloat(addr + 12, pyX);
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MemoryUtil.memPutFloat(addr + 16, nxY);
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MemoryUtil.memPutFloat(addr + 20, pxY);
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MemoryUtil.memPutFloat(addr + 24, nyY);
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MemoryUtil.memPutFloat(addr + 28, pyY);
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MemoryUtil.memPutFloat(addr + 32, nxZ);
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MemoryUtil.memPutFloat(addr + 36, pxZ);
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MemoryUtil.memPutFloat(addr + 40, nyZ);
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MemoryUtil.memPutFloat(addr + 44, pyZ);
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MemoryUtil.memPutFloat(addr + 48, nxW);
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MemoryUtil.memPutFloat(addr + 52, pxW);
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MemoryUtil.memPutFloat(addr + 56, nyW);
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MemoryUtil.memPutFloat(addr + 60, pyW);
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MemoryUtil.memPutFloat(addr + 64, nzX);
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MemoryUtil.memPutFloat(addr + 68, pzX);
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MemoryUtil.memPutFloat(addr + 72, nzY);
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MemoryUtil.memPutFloat(addr + 76, pzY);
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MemoryUtil.memPutFloat(addr + 80, nzZ);
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MemoryUtil.memPutFloat(addr + 84, pzZ);
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MemoryUtil.memPutFloat(addr + 88, nzW);
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MemoryUtil.memPutFloat(addr + 92, pzW);
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}
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public void getPlanes(ByteBuffer buffer) {
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long addr = MemoryUtil.memAddress(buffer);
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planes[0].getToAddress(addr);
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planes[1].getToAddress(addr + 16);
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planes[2].getToAddress(addr + 32);
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planes[3].getToAddress(addr + 48);
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planes[4].getToAddress(addr + 64);
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planes[5].getToAddress(addr + 80);
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}
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}
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