public unsafe bool UpdateSimpleMaterialBGFX(RendererBGFXInstance *sys, ref SimpleMaterial mat, ref SimpleMaterialBGFX matBGFX, bool srgbColors)
{
// if constants changed, need to update packed value
matBGFX.constAlbedo_Opacity = srgbColors ?
new float4(Color.LinearToSRGB(mat.constAlbedo), mat.constOpacity) :
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.texAlbedoOpacity, mat.texAlbedoOpacity, sys->m_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 && !mat.billboarded)
{
matBGFX.state |= (ulong)bgfx.StateFlags.CullCw;
}
if (mat.transparent)
{
matBGFX.state |= RendererBGFXStatic.MakeBGFXBlend(bgfx.StateFlags.BlendOne, bgfx.StateFlags.BlendInvSrcAlpha);
}
else
{
matBGFX.state |= (ulong)bgfx.StateFlags.WriteZ;
}
matBGFX.mainTextureScaleTranslate = new float4(mat.scale, mat.offset);
matBGFX.billboarded = new float4(mat.billboarded ? 1 : 0, 0, 0, 0);
return(!stillLoading);
}
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);
}