Remove isFixed param from AcquireCommandBuffer call

Co-authored-by: Caleb Cornett <caleb.cornett@outlook.com>
Reviewed-on: MoonsideGames/MoonWorks#40
Co-authored-by: TheSpydog <thespydog@noreply.example.org>
Co-committed-by: TheSpydog <thespydog@noreply.example.org>

src/Graphics/GraphicsDevice.cs

@@ -102,7 +102,7 @@ namespace MoonWorks.Graphics
 
 		public CommandBuffer AcquireCommandBuffer()
 		{
-			return new CommandBuffer(this, Refresh.Refresh_AcquireCommandBuffer(Handle, 0));
+			return new CommandBuffer(this, Refresh.Refresh_AcquireCommandBuffer(Handle));
 		}
 
 		public unsafe void Submit(CommandBuffer commandBuffer)

src/Graphics/Resources/Texture.cs

@@ -272,14 +272,12 @@ namespace MoonWorks.Graphics
 			const uint DDS_MAGIC = 0x20534444;
 			const uint DDS_HEADERSIZE = 124;
 			const uint DDS_PIXFMTSIZE = 32;
-			const uint DDSD_CAPS = 0x1;
 			const uint DDSD_HEIGHT = 0x2;
 			const uint DDSD_WIDTH = 0x4;
 			const uint DDSD_PITCH = 0x8;
-			const uint DDSD_FMT = 0x1000;
 			const uint DDSD_LINEARSIZE = 0x80000;
 			const uint DDSD_REQ = (
-				DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_FMT
+				DDSD_HEIGHT | DDSD_WIDTH
 			);
 			const uint DDSCAPS_MIPMAP = 0x400000;
 			const uint DDSCAPS_TEXTURE = 0x1000;