#6077: OpenGL2: Add r_ignoreDstAlpha.

code/renderergl2/tr_shader.c

@@ -203,10 +203,16 @@ static int NameToSrcBlendMode( const char *name )
 	}
 	else if ( !Q_stricmp( name, "GL_DST_ALPHA" ) )
 	{
+		if (r_ignoreDstAlpha->integer)
+			return GLS_SRCBLEND_ONE;
+
 		return GLS_SRCBLEND_DST_ALPHA;
 	}
 	else if ( !Q_stricmp( name, "GL_ONE_MINUS_DST_ALPHA" ) )
 	{
+		if (r_ignoreDstAlpha->integer)
+			return GLS_SRCBLEND_ZERO;
+
 		return GLS_SRCBLEND_ONE_MINUS_DST_ALPHA;
 	}
 	else if ( !Q_stricmp( name, "GL_SRC_ALPHA_SATURATE" ) )
@@ -243,10 +249,16 @@ static int NameToDstBlendMode( const char *name )
 	}
 	else if ( !Q_stricmp( name, "GL_DST_ALPHA" ) )
 	{
+		if (r_ignoreDstAlpha->integer)
+			return GLS_DSTBLEND_ONE;
+
 		return GLS_DSTBLEND_DST_ALPHA;
 	}
 	else if ( !Q_stricmp( name, "GL_ONE_MINUS_DST_ALPHA" ) )
 	{
+		if (r_ignoreDstAlpha->integer)
+			return GLS_DSTBLEND_ZERO;
+
 		return GLS_DSTBLEND_ONE_MINUS_DST_ALPHA;
 	}
 	else if ( !Q_stricmp( name, "GL_SRC_COLOR" ) )