Add transparency support for the 2d vertex list render method for directx drivers.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2764 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CD3D8Driver.cpp

@@ -904,7 +904,19 @@ void CD3D8Driver::draw2D3DVertexPrimitiveList(const void* vertices,
 			return;
 	}
 	else
-		setRenderStates2DMode(true, (Material.getTexture(0) != 0), true);
+	{
+		if (Material.MaterialType==EMT_ONETEXTURE_BLEND)
+		{
+			E_BLEND_FACTOR srcFact;
+			E_BLEND_FACTOR dstFact;
+			E_MODULATE_FUNC modulo;
+			u32 alphaSource;
+			unpack_texureBlendFunc ( srcFact, dstFact, modulo, alphaSource, Material.MaterialTypeParam);
+			setRenderStates2DMode(alphaSource&video::EAS_VERTEX_COLOR, (Material.getTexture(0) != 0), alphaSource&video::EAS_TEXTURE);
+		}
+		else
+			setRenderStates2DMode(Material.MaterialType==EMT_TRANSPARENT_VERTEX_ALPHA, (Material.getTexture(0) != 0), Material.MaterialType==EMT_TRANSPARENT_ALPHA_CHANNEL);
+	}
 
 	switch (pType)
 	{

source/Irrlicht/CD3D9Driver.cpp

@@ -1173,7 +1173,19 @@ void CD3D9Driver::draw2D3DVertexPrimitiveList(const void* vertices,
 			return;
 	}
 	else
-		setRenderStates2DMode(true, (Material.getTexture(0) != 0), true);
+	{
+		if (Material.MaterialType==EMT_ONETEXTURE_BLEND)
+		{
+			E_BLEND_FACTOR srcFact;
+			E_BLEND_FACTOR dstFact;
+			E_MODULATE_FUNC modulo;
+			u32 alphaSource;
+			unpack_texureBlendFunc ( srcFact, dstFact, modulo, alphaSource, Material.MaterialTypeParam);
+			setRenderStates2DMode(alphaSource&video::EAS_VERTEX_COLOR, (Material.getTexture(0) != 0), alphaSource&video::EAS_TEXTURE);
+		}
+		else
+			setRenderStates2DMode(Material.MaterialType==EMT_TRANSPARENT_VERTEX_ALPHA, (Material.getTexture(0) != 0), Material.MaterialType==EMT_TRANSPARENT_ALPHA_CHANNEL);
+	}
 
 	switch (pType)
 	{