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#include "FrameBufferWin.hpp"
16
17namespace sw
18{
19	FrameBufferWin::FrameBufferWin(HWND windowHandle, int width, int height, bool fullscreen, bool topLeftOrigin) : FrameBuffer(width, height, fullscreen, topLeftOrigin), windowHandle(windowHandle)
20	{
21		if(!windowed)
22		{
23			// Force fullscreen window style (no borders)
24			originalWindowStyle = GetWindowLong(windowHandle, GWL_STYLE);
25			SetWindowLong(windowHandle, GWL_STYLE, WS_POPUP);
26		}
27	}
28
29	FrameBufferWin::~FrameBufferWin()
30	{
31		if(!windowed && GetWindowLong(windowHandle, GWL_STYLE) == WS_POPUP)
32		{
33			SetWindowLong(windowHandle, GWL_STYLE, originalWindowStyle);
34		}
35	}
36
37	void FrameBufferWin::updateBounds(HWND windowOverride)
38	{
39		HWND window = windowOverride ? windowOverride : windowHandle;
40
41		if(windowed)
42		{
43			GetClientRect(window, &bounds);
44			ClientToScreen(window, (POINT*)&bounds);
45			ClientToScreen(window, (POINT*)&bounds + 1);
46		}
47		else
48		{
49			SetRect(&bounds, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
50		}
51	}
52}
53
54#include "FrameBufferDD.hpp"
55#include "FrameBufferGDI.hpp"
56#include "Common/Configurator.hpp"
57
58sw::FrameBufferWin *createFrameBufferWin(HWND windowHandle, int width, int height, bool fullscreen, bool topLeftOrigin)
59{
60	sw::Configurator ini("SwiftShader.ini");
61	int api = ini.getInteger("Testing", "FrameBufferAPI", 0);
62
63	if(api == 0 && topLeftOrigin)
64	{
65		return new sw::FrameBufferDD(windowHandle, width, height, fullscreen, topLeftOrigin);
66	}
67	else
68	{
69		return new sw::FrameBufferGDI(windowHandle, width, height, fullscreen, topLeftOrigin);
70	}
71
72	return 0;
73}
74
75sw::FrameBuffer *createFrameBuffer(void *display, HWND window, int width, int height)
76{
77	return createFrameBufferWin(window, width, height, false, false);
78}
79