From 7e01bbe1216f057a97714391fd161fc336ab7dde Mon Sep 17 00:00:00 2001
From: mogemimi <mogemimi@enginetrouble.net>
Date: Sun, 14 Aug 2016 15:06:13 +0900
Subject: [PATCH] Set default blend factor for graphics context

---
 src/RenderSystem.Direct3D11/GraphicsContextDirect3D11.cpp | 3 +++
 src/RenderSystem.GL4/GraphicsContextGL4.cpp               | 3 +++
 src/RenderSystem.Metal/GraphicsContextMetal.mm            | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/src/RenderSystem.Direct3D11/GraphicsContextDirect3D11.cpp b/src/RenderSystem.Direct3D11/GraphicsContextDirect3D11.cpp
index e0739cf9a..769478e36 100644
--- a/src/RenderSystem.Direct3D11/GraphicsContextDirect3D11.cpp
+++ b/src/RenderSystem.Direct3D11/GraphicsContextDirect3D11.cpp
@@ -187,6 +187,9 @@ GraphicsContextDirect3D11::GraphicsContextDirect3D11(
     }
 
     textureResourceViews.fill(nullptr);
+
+    // NOTE: Set default values for graphics context
+    this->SetBlendFactor(Color::White);
 }
 
 GraphicsContextDirect3D11::~GraphicsContextDirect3D11()
diff --git a/src/RenderSystem.GL4/GraphicsContextGL4.cpp b/src/RenderSystem.GL4/GraphicsContextGL4.cpp
index 348787d5f..cfd3bb61a 100644
--- a/src/RenderSystem.GL4/GraphicsContextGL4.cpp
+++ b/src/RenderSystem.GL4/GraphicsContextGL4.cpp
@@ -336,6 +336,9 @@ GraphicsContextGL4::GraphicsContextGL4(
 
     frameBuffer = CreateFrameBuffer();
     primitiveTopology = ToPrimitiveTopology(PrimitiveTopology::TriangleList);
+
+    // NOTE: Set default values for graphics context
+    this->SetBlendFactor(Color::White);
 }
 
 GraphicsContextGL4::~GraphicsContextGL4()
diff --git a/src/RenderSystem.Metal/GraphicsContextMetal.mm b/src/RenderSystem.Metal/GraphicsContextMetal.mm
index 0841ddecb..c68a49984 100644
--- a/src/RenderSystem.Metal/GraphicsContextMetal.mm
+++ b/src/RenderSystem.Metal/GraphicsContextMetal.mm
@@ -97,6 +97,9 @@ void SetScissorRectangle(
 
     // NOTE: Create a new command queue
     commandQueue = [nativeDevice newCommandQueue];
+
+    // NOTE: Set default values for graphics context
+    this->SetBlendFactor(Color::White);
 }
 
 GraphicsContextMetal::~GraphicsContextMetal() = default;