1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //    http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef D3D9_Direct3DQuery9_hpp
16 #define D3D9_Direct3DQuery9_hpp
17 
18 #include "Unknown.hpp"
19 
20 #include "Renderer.hpp"
21 
22 #include <d3d9.h>
23 
24 namespace D3D9
25 {
26 	class Direct3DDevice9;
27 
28 	class Direct3DQuery9 : public IDirect3DQuery9, public Unknown
29 	{
30 	public:
31 		Direct3DQuery9(Direct3DDevice9 *device, D3DQUERYTYPE type);
32 
33 		~Direct3DQuery9() override;
34 
35 		// IUnknown methods
36 		long __stdcall QueryInterface(const IID &iid, void **object) override;
37 		unsigned long __stdcall AddRef() override;
38 		unsigned long __stdcall Release() override;
39 
40 		// IDirect3DQuery9 methods
41 		long __stdcall GetDevice(IDirect3DDevice9 **device) override;
42 		D3DQUERYTYPE __stdcall GetType() override;
43 		unsigned long __stdcall GetDataSize() override;
44 		long __stdcall Issue(unsigned long flags) override;
45 		long __stdcall GetData(void *data, unsigned long size, unsigned long flags) override;
46 
47 	private:
48 		// Creation parameters
49 		Direct3DDevice9 *const device;
50 		const D3DQUERYTYPE type;
51 
52 		// TODO: create a union, or subclasses for each type.
53 		sw::Query *query;   // D3DQUERYTYPE_OCCLUSION
54 		UINT64 timestamp;   // D3DQUERYTYPE_TIMESTAMP
55 	};
56 }
57 
58 #endif   // D3D9_Direct3DQuery9_hpp
59