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 
17 namespace sw
18 {
FrameBufferWin(HWND windowHandle,int width,int height,bool fullscreen,bool topLeftOrigin)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 
~FrameBufferWin()29 	FrameBufferWin::~FrameBufferWin()
30 	{
31 		if(!windowed && GetWindowLong(windowHandle, GWL_STYLE) == WS_POPUP)
32 		{
33 			SetWindowLong(windowHandle, GWL_STYLE, originalWindowStyle);
34 		}
35 	}
36 
updateBounds(HWND windowOverride)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 
createFrameBufferWin(HWND windowHandle,int width,int height,bool fullscreen,bool topLeftOrigin)58 sw::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 
createFrameBuffer(void * display,HWND window,int width,int height)75 sw::FrameBuffer *createFrameBuffer(void *display, HWND window, int width, int height)
76 {
77 	return createFrameBufferWin(window, width, height, false, false);
78 }
79