public bool UpdateSimpleMaterialBGFX(RendererBGFXSystem sys, ref SimpleMaterial mat, ref SimpleMaterialBGFX matBGFX)
{
// if constants changed, need to update packed value
matBGFX.constAlbedo_Opacity = new float4(mat.constAlbedo, mat.constOpacity);
// if texture entity OR load state changed need to update texture handles
// content of texture change should transparently update texture referenced by handle
bool stillLoading = false;
if (InitTexture(ref matBGFX.texAlbedo, mat.texAlbedo, sys.WhiteTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texOpacity, mat.texOpacity, sys.WhiteTexture))
{
stillLoading = true;
}
// if twoSided or hasalpha changed, need to update state
matBGFX.state = (ulong)(bgfx.StateFlags.WriteRgb | bgfx.StateFlags.WriteA | bgfx.StateFlags.DepthTestLess);
if (!mat.twoSided)
{
matBGFX.state |= (ulong)bgfx.StateFlags.CullCw;
}
if (mat.transparent)
{
matBGFX.state |= RendererBGFXSystem.MakeBGFXBlend(bgfx.StateFlags.BlendOne, bgfx.StateFlags.BlendInvSrcAlpha);
}
else
{
matBGFX.state |= (ulong)bgfx.StateFlags.WriteZ;
}
matBGFX.mainTextureScaleTranslate = new float4(mat.scale, mat.offset);
return(!stillLoading);
}
public bool UpdateLitMaterialBGFX(RendererBGFXSystem sys, ref LitMaterial mat, ref LitMaterialBGFX matBGFX)
{
bool stillLoading = false;
if (InitTexture(ref matBGFX.texAlbedo, mat.texAlbedo, sys.WhiteTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texOpacity, mat.texOpacity, sys.WhiteTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texNormal, mat.texNormal, sys.UpTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texMetal, mat.texMetal, sys.BlackTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texEmissive, mat.texEmissive, sys.BlackTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texSmoothness, mat.texSmoothness, sys.GreyTexture))
{
stillLoading = true;
}
matBGFX.constAlbedo_Opacity = new float4(mat.constAlbedo, mat.constOpacity);
matBGFX.constMetal_Smoothness = new float4(mat.constMetal, mat.constSmoothness, 0, 0);
matBGFX.constEmissive_normalMapZScale = new float4(mat.constEmissive, mat.normalMapZScale);
matBGFX.mainTextureScaleTranslate = new float4(mat.scale, mat.offset);
// if twoSided, need to update state
matBGFX.state = (ulong)(bgfx.StateFlags.WriteRgb | bgfx.StateFlags.WriteA | bgfx.StateFlags.DepthTestLess);
if (!mat.twoSided)
{
matBGFX.state |= (ulong)bgfx.StateFlags.CullCcw;
}
if (mat.transparent)
{
matBGFX.state |= RendererBGFXSystem.MakeBGFXBlend(bgfx.StateFlags.BlendOne, bgfx.StateFlags.BlendInvSrcAlpha);
}
else
{
matBGFX.state |= (ulong)bgfx.StateFlags.WriteZ;
}
return(!stillLoading);
}
public static unsafe void EncodeLinePreTransformed(RendererBGFXSystem sys, bgfx.Encoder *encoder, ushort viewId, SimpleVertex *vertices, int n)
{
bgfx.TransientIndexBuffer tib;
bgfx.TransientVertexBuffer tvb;
int ni = (n / 4) * 6;
fixed(bgfx.VertexLayout *declp = sys.SimpleVertexBufferDecl)
{
if (!bgfx.alloc_transient_buffers(&tvb, declp, (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.SimpleVertexBufferDeclHandle);
// material uniforms setup
ulong state = (ulong)(bgfx.StateFlags.DepthTestLess | bgfx.StateFlags.WriteRgb) | RendererBGFXSystem.MakeBGFXBlend(bgfx.StateFlags.BlendOne, bgfx.StateFlags.BlendInvSrcAlpha);
bgfx.encoder_set_state(encoder, state, 0);
bgfx.encoder_submit(encoder, viewId, sys.LineShader.m_prog, 0, false);
}