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 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 ulong state; // includes blending and culling!
internal unsafe bool Update(EntityManager em, RendererBGFXInstance *sys, ref BitmapFontMaterial mat)
{
constClipRect = mat.ConstClipRect;
constMaskSoftness = mat.ConstMaskSoftness;
// 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 = UpdateTextMaterialsSystem.InitTexture(em, ref texAtlas, mat.AtlasTexture, sys->m_whiteTexture);
// text is always two-sided and transparent
state = (ulong)(bgfx.StateFlags.WriteRgb | bgfx.StateFlags.WriteA | bgfx.StateFlags.DepthTestLess);
state |= RendererBGFXStatic.MakeBGFXBlend(bgfx.StateFlags.BlendSrcAlpha, bgfx.StateFlags.BlendInvSrcAlpha);
return(!stillLoading);
}
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);
}