public unsafe bool UpdateLitMaterialBGFX(RendererBGFXInstance *sys, ref LitMaterial mat, ref LitMaterialBGFX matBGFX, bool srgbColors)
{
bool stillLoading = false;
if (InitTexture(ref matBGFX.texAlbedoOpacity, mat.texAlbedoOpacity, sys->m_whiteTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texNormal, mat.texNormal, sys->m_upTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texMetal, mat.texMetal, sys->m_whiteTexture))
{
stillLoading = true;
}
if (InitTexture(ref matBGFX.texEmissive, mat.texEmissive, sys->m_whiteTexture))
{
stillLoading = true;
}
InitShader(ref matBGFX.shaderProgram, mat.shader, sys->m_litShader.m_prog);
matBGFX.constAlbedo_Opacity = srgbColors ?
new float4(Color.LinearToSRGB(mat.constAlbedo), mat.constOpacity) :
new float4(mat.constAlbedo, mat.constOpacity);
matBGFX.constMetal_Smoothness_Billboarded = new float4(mat.constMetal, mat.constSmoothness, mat.billboarded ? 1 : 0, 0);
matBGFX.constEmissive_normalMapZScale = srgbColors ?
new float4(Color.LinearToSRGB(mat.constEmissive), mat.normalMapZScale) :
new float4(mat.constEmissive, mat.normalMapZScale);
matBGFX.mainTextureScaleTranslate = new float4(mat.scale, mat.offset);
matBGFX.smoothness = new float4(0.0f);
matBGFX.smoothness.x = (!mat.transparent && mat.smoothnessAlbedoAlpha) ? 1 : 0;
matBGFX.smoothness.y = (!mat.transparent && !mat.smoothnessAlbedoAlpha) ? 1 : 0;
matBGFX.smoothness.z = !mat.transparent ? 1 : 0;
// if twoSided, 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.CullCcw;
}
if (mat.transparent)
{
matBGFX.state |= RendererBGFXStatic.MakeBGFXBlend(bgfx.StateFlags.BlendOne, bgfx.StateFlags.BlendInvSrcAlpha);
}
else
{
matBGFX.state |= (ulong)bgfx.StateFlags.WriteZ;
}
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);
}