public static unsafe void EncodeLine(RendererBGFXInstance *sys, bgfx.Encoder *encoder, ushort viewId, float3 p0, float3 p1, float4 color, float2 width, ref float4x4 objTx, ref float4x4 viewTx, ref float4x4 projTx)
{
float4 p0t = math.mul(projTx,
math.mul(viewTx,
math.mul(objTx, new float4(p0, 1))));
float4 p1t = math.mul(projTx,
math.mul(viewTx,
math.mul(objTx, new float4(p1, 1))));
for (int i = 0; i < 3; i++) // really only need to clip z near, but clip all to make sure clipping works
{
if (!ClipLinePositive(ref p0t, ref p1t, i))
{
return;
}
if (!ClipLineNegative(ref p0t, ref p1t, i))
{
return;
}
}
SimpleVertex *buf = stackalloc SimpleVertex[4];
p0t.xyz *= 1.0f / p0t.w;
p1t.xyz *= 1.0f / p1t.w;
float2 dp = math.normalizesafe(p1t.xy - p0t.xy);
float2 dprefl = new float2(-dp.y, dp.x);
float3 dv = new float3(dprefl * width, 0);
float3 du = new float3(dp * width * .5f, 0);
buf[0].Position = p0t.xyz + dv - du; buf[0].Color = color; buf[0].TexCoord0 = new float2(0, 1);
buf[1].Position = p0t.xyz - dv - du; buf[1].Color = color; buf[1].TexCoord0 = new float2(0, -1);
buf[2].Position = p1t.xyz - dv + du; buf[2].Color = color; buf[2].TexCoord0 = new float2(1, -1);
buf[3].Position = p1t.xyz + dv + du; buf[3].Color = color; buf[3].TexCoord0 = new float2(1, 1);
EncodeLinePreTransformed(sys, encoder, viewId, buf, 4);
}
public static unsafe MeshBGFX CreateStaticMeshFromBlobAsset(RendererBGFXInstance *inst, SimpleMeshRenderData meshData)
{
ushort * indices = (ushort *)meshData.Mesh.Value.Indices.GetUnsafePtr();
SimpleVertex *vertices = (SimpleVertex *)meshData.Mesh.Value.Vertices.GetUnsafePtr();
int nindices = meshData.Mesh.Value.Indices.Length;
int nvertices = meshData.Mesh.Value.Vertices.Length;
return(CreateStaticMesh(inst, indices, nindices, vertices, nvertices));
}
public unsafe void CheckVertexLayout()
{
SimpleVertex tv;
SimpleVertex *p = &tv;
{
Debug.Assert((long)&(p->Position) - (long)p == 0);
Debug.Assert((long)&(p->TexCoord0) - (long)p == 12);
Debug.Assert((long)&(p->Color) - (long)p == 20);
Debug.Assert((long)&(p->BillboardPos) - (long)p == 36);
}
}
public static unsafe void EncodeSimpleTransient(RendererBGFXSystem sys, bgfx.Encoder *encoder, ushort viewId, SimpleVertex *vertices, int nvertices, ushort *indices, int nindices, ref float4x4 tx, float4 color, bgfx.TextureHandle texture, ulong state)
{
// upload
SimpleVertex *destVertices = null;
ushort * destIndices = null;
if (!EncodeSimpleTransientAlloc(sys, encoder, nindices, nvertices, &destVertices, &destIndices))
{
return;
}
UnsafeUtility.MemCpy(destIndices, indices, nindices * 2);
UnsafeUtility.MemCpy(destVertices, vertices, nvertices * sizeof(SimpleVertex));
// material uniforms setup
EncodeSimpleTransient(sys, encoder, viewId, ref tx, color, texture, state);
}
public static unsafe void EncodeLinePreTransformed(RendererBGFXInstance *sys, bgfx.Encoder *encoder, ushort viewId, SimpleVertex *vertices, int n)
{
bgfx.TransientIndexBuffer tib;
bgfx.TransientVertexBuffer tvb;
int ni = (n / 4) * 6;
if (!bgfx.alloc_transient_buffers(&tvb, &sys->m_simpleVertexBufferDecl, (uint)n, &tib, (uint)ni))
{
throw new InvalidOperationException("Out of transient bgfx memory!");
}
UnsafeUtility.MemCpy((SimpleVertex *)tvb.data, vertices, sizeof(SimpleVertex) * n);
ushort *indices = (ushort *)tib.data;
for (int i = 0; i < n; i += 4)
{
indices[0] = (ushort)i; indices[1] = (ushort)(i + 1); indices[2] = (ushort)(i + 2);
indices[3] = (ushort)(i + 2); indices[4] = (ushort)(i + 3); indices[5] = (ushort)i;
indices += 6;
}
bgfx.encoder_set_transient_index_buffer(encoder, &tib, 0, (uint)ni);
bgfx.encoder_set_transient_vertex_buffer(encoder, 0, &tvb, 0, (uint)n, sys->m_simpleVertexBufferDeclHandle);
// material uniforms setup
ulong state = (ulong)(bgfx.StateFlags.DepthTestLess | bgfx.StateFlags.WriteRgb) | RendererBGFXStatic.MakeBGFXBlend(bgfx.StateFlags.BlendOne, bgfx.StateFlags.BlendInvSrcAlpha);
bgfx.encoder_set_state(encoder, state, 0);
bgfx.encoder_submit(encoder, viewId, sys->m_lineShader.m_prog, 0, (byte)bgfx.DiscardFlags.All);
}
public static unsafe MeshBGFX CreateStaticMesh(RendererBGFXInstance *inst, ushort *indices, int nindices, SimpleVertex *vertices, int nvertices, SkinnedMeshVertex *skinningdata = null)
{
bool hasSkinningData = skinningdata != null;
#if ENABLE_DOTSRUNTIME_PROFILER
ProfilerStats.AccumStats.memMeshCount.Accumulate(1);
long bytes = nvertices * sizeof(SimpleVertex) + nindices * sizeof(ushort);
if (hasSkinningData)
{
bytes += nvertices * sizeof(SkinnedMeshVertex);
}
ProfilerStats.AccumStats.memMesh.Accumulate(bytes);
ProfilerStats.AccumStats.memReservedGFX.Accumulate(bytes);
ProfilerStats.AccumStats.memUsedGFX.Accumulate(bytes);
#endif
if (hasSkinningData)
{
int simpleVertexSize = sizeof(SimpleVertex);
int skinningVertexSize = sizeof(SkinnedMeshVertex);
int totalVertexSize = simpleVertexSize + skinningVertexSize;
byte *tmpBlock = (byte *)UnsafeUtility.Malloc(totalVertexSize * nvertices, 4, Allocator.Temp);
UnsafeUtility.MemCpyStride(tmpBlock, totalVertexSize, vertices, simpleVertexSize, simpleVertexSize, nvertices);
UnsafeUtility.MemCpyStride(tmpBlock + simpleVertexSize, totalVertexSize, skinningdata, skinningVertexSize, skinningVertexSize, nvertices);
bgfx.Memory *bgfxMemory = RendererBGFXStatic.CreateMemoryBlock((byte *)tmpBlock, nvertices * totalVertexSize);
UnsafeUtility.Free(tmpBlock, Allocator.Temp);
return(new MeshBGFX
{
indexBufferHandle = bgfx.create_index_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)indices, nindices * 2), (ushort)bgfx.BufferFlags.None).idx,
vertexBufferHandle = bgfx.create_vertex_buffer(bgfxMemory, &inst->m_simpleSkinnedVertexBufferDecl, (ushort)bgfx.BufferFlags.None).idx,
indexCount = nindices,
vertexCount = nvertices,
maxIndexCount = nindices,
maxVertexCount = nvertices,
vertexLayoutHandle = inst->m_simpleSkinnedVertexBufferDeclHandle,
isDynamic = false,
vertexSize = totalVertexSize,
});
}
else
{
return(new MeshBGFX
{
indexBufferHandle = bgfx.create_index_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)indices, nindices * 2), (ushort)bgfx.BufferFlags.None).idx,
vertexBufferHandle = bgfx.create_vertex_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)vertices, nvertices * sizeof(SimpleVertex)), &inst->m_simpleVertexBufferDecl, (ushort)bgfx.BufferFlags.None).idx,
indexCount = nindices,
vertexCount = nvertices,
maxIndexCount = nindices,
maxVertexCount = nvertices,
vertexLayoutHandle = inst->m_simpleVertexBufferDeclHandle,
isDynamic = false,
vertexSize = sizeof(SimpleVertex),
});
}
}
public static unsafe void EncodeSimpleTransient(RendererBGFXSystem sys, bgfx.Encoder *encoder, ushort viewId, SimpleVertex *vertices, int nvertices, ushort *indices, int nindices, ref float4x4 tx, ref SimpleMaterialBGFX mat)
{
EncodeSimpleTransient(sys, encoder, viewId, vertices, nvertices, indices, nindices, ref tx, mat.constAlbedo_Opacity, mat.texAlbedo, mat.state);
}
public static unsafe void SubmitSimpleTransientDirect(RendererBGFXSystem sys, ushort viewId, SimpleVertex *vertices, int nvertices, ushort *indices, int nindices, ref float4x4 tx, float4 color, bgfx.TextureHandle texture, ulong state)
{
bgfx.Encoder *encoder = bgfx.encoder_begin(false);
EncodeSimpleTransient(sys, encoder, viewId, vertices, nvertices, indices, nindices, ref tx, color, texture, state);
bgfx.encoder_end(encoder);
}
// ---------------- simple, transient, for ui/text ----------------------------------------------------------------------------------------------------------------------
public static unsafe void SubmitSimpleTransientDirect(RendererBGFXSystem sys, ushort viewId, SimpleVertex *vertices, int nvertices, ushort *indices, int nindices, ref float4x4 tx, ref SimpleMaterialBGFX mat)
{
bgfx.Encoder *encoder = bgfx.encoder_begin(false);
EncodeSimpleTransient(sys, encoder, viewId, vertices, nvertices, indices, nindices, ref tx, ref mat);
bgfx.encoder_end(encoder);
}
public static unsafe MeshBGFX CreateStaticMesh(RendererBGFXInstance *inst, ushort *indices, int nindices, SimpleVertex *vertices, int nvertices)
{
#if ENABLE_DOTSRUNTIME_PROFILER
ProfilerStats.AccumStats.memMeshCount.Accumulate(1);
long bytes = nvertices * sizeof(SimpleVertex) + nindices * sizeof(ushort);
ProfilerStats.AccumStats.memMesh.Accumulate(bytes);
ProfilerStats.AccumStats.memReservedGFX.Accumulate(bytes);
ProfilerStats.AccumStats.memUsedGFX.Accumulate(bytes);
#endif
return(new MeshBGFX
{
indexBufferHandle = bgfx.create_index_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)indices, nindices * 2), (ushort)bgfx.BufferFlags.None).idx,
vertexBufferHandle = bgfx.create_vertex_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)vertices, nvertices * sizeof(SimpleVertex)), &inst->m_simpleVertexBufferDecl, (ushort)bgfx.BufferFlags.None).idx,
indexCount = nindices,
vertexCount = nvertices,
maxIndexCount = nindices,
maxVertexCount = nvertices,
vertexLayoutHandle = inst->m_simpleVertexBufferDeclHandle,
isDynamic = false,
vertexSize = sizeof(SimpleVertex),
});
}
