ReactOS 0.4.15-dev-5667-ged97270
surface.c
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1/*
2 * ReactOS Generic Framebuffer display driver
3 *
4 * Copyright (C) 2004 Filip Navara
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#include "framebuf.h"
22
23/*
24 * DrvEnableSurface
25 *
26 * Create engine bitmap around frame buffer and set the video mode requested
27 * when PDEV was initialized.
28 *
29 * Status
30 * @implemented
31 */
32
35 IN DHPDEV dhpdev)
36{
37 PPDEV ppdev = (PPDEV)dhpdev;
38 HSURF hSurface;
39 ULONG BitmapType;
40 SIZEL ScreenSize;
41 VIDEO_MEMORY VideoMemory;
42 VIDEO_MEMORY_INFORMATION VideoMemoryInfo;
43 ULONG ulTemp;
44
45 /*
46 * Set video mode of our adapter.
47 */
48
49 if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_CURRENT_MODE,
50 &(ppdev->ModeIndex), sizeof(ULONG), NULL, 0,
51 &ulTemp))
52 {
53 return NULL;
54 }
55
56 /*
57 * Map the framebuffer into our memory.
58 */
59
60 VideoMemory.RequestedVirtualAddress = NULL;
61 if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_MAP_VIDEO_MEMORY,
62 &VideoMemory, sizeof(VIDEO_MEMORY),
63 &VideoMemoryInfo, sizeof(VIDEO_MEMORY_INFORMATION),
64 &ulTemp))
65 {
66 return NULL;
67 }
68
69 ppdev->ScreenPtr = VideoMemoryInfo.FrameBufferBase;
70
71 switch (ppdev->BitsPerPixel)
72 {
73 case 8:
74 IntSetPalette(dhpdev, ppdev->PaletteEntries, 0, 256);
75 BitmapType = BMF_8BPP;
76 break;
77
78 case 16:
79 BitmapType = BMF_16BPP;
80 break;
81
82 case 24:
83 BitmapType = BMF_24BPP;
84 break;
85
86 case 32:
87 BitmapType = BMF_32BPP;
88 break;
89
90 default:
91 return NULL;
92 }
93
94 ppdev->iDitherFormat = BitmapType;
95
96 ScreenSize.cx = ppdev->ScreenWidth;
97 ScreenSize.cy = ppdev->ScreenHeight;
98
99 hSurface = (HSURF)EngCreateBitmap(ScreenSize, ppdev->ScreenDelta, BitmapType,
100 (ppdev->ScreenDelta > 0) ? BMF_TOPDOWN : 0,
101 ppdev->ScreenPtr);
102 if (hSurface == NULL)
103 {
104 return NULL;
105 }
106
107 /*
108 * Associate the surface with our device.
109 */
110
111 if (!EngAssociateSurface(hSurface, ppdev->hDevEng, 0))
112 {
113 EngDeleteSurface(hSurface);
114 return NULL;
115 }
116
117 ppdev->hSurfEng = hSurface;
118
119 return hSurface;
120}
121
122/*
123 * DrvDisableSurface
124 *
125 * Used by GDI to notify a driver that the surface created by DrvEnableSurface
126 * for the current device is no longer needed.
127 *
128 * Status
129 * @implemented
130 */
131
134 IN DHPDEV dhpdev)
135{
136 DWORD ulTemp;
137 VIDEO_MEMORY VideoMemory;
138 PPDEV ppdev = (PPDEV)dhpdev;
139
141 ppdev->hSurfEng = NULL;
142
143#ifdef EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
144 /* Clear all mouse pointer surfaces. */
145 DrvSetPointerShape(NULL, NULL, NULL, NULL, 0, 0, 0, 0, NULL, 0);
146#endif
147
148 /*
149 * Unmap the framebuffer.
150 */
151
152 VideoMemory.RequestedVirtualAddress = ((PPDEV)dhpdev)->ScreenPtr;
153 EngDeviceIoControl(((PPDEV)dhpdev)->hDriver, IOCTL_VIDEO_UNMAP_VIDEO_MEMORY,
154 &VideoMemory, sizeof(VIDEO_MEMORY), NULL, 0, &ulTemp);
155}
156
157/*
158 * DrvAssertMode
159 *
160 * Sets the mode of the specified physical device to either the mode specified
161 * when the PDEV was initialized or to the default mode of the hardware.
162 *
163 * Status
164 * @implemented
165 */
166
169 IN DHPDEV dhpdev,
171{
172 PPDEV ppdev = (PPDEV)dhpdev;
173 ULONG ulTemp;
174
175 if (bEnable)
176 {
177 /*
178 * Reinitialize the device to a clean state.
179 */
180 if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_CURRENT_MODE,
181 &(ppdev->ModeIndex), sizeof(ULONG), NULL, 0,
182 &ulTemp))
183 {
184 /* We failed, bail out */
185 return FALSE;
186 }
187 if (ppdev->BitsPerPixel == 8)
188 {
189 IntSetPalette(dhpdev, ppdev->PaletteEntries, 0, 256);
190 }
191
192 return TRUE;
193 }
194 else
195 {
196 /*
197 * Call the miniport driver to reset the device to a known state.
198 */
199 return !EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_RESET_DEVICE,
200 NULL, 0, NULL, 0, &ulTemp);
201 }
202}
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define APIENTRY
Definition: api.h:79
unsigned int BOOL
Definition: ntddk_ex.h:94
unsigned long DWORD
Definition: ntddk_ex.h:95
struct _PDEV * PPDEV
BOOL APIENTRY IntSetPalette(IN DHPDEV dhpdev, IN PPALETTEENTRY ppalent, IN ULONG iStart, IN ULONG cColors)
Definition: palette.c:110
#define IOCTL_VIDEO_MAP_VIDEO_MEMORY
Definition: ntddvdeo.h:104
#define IOCTL_VIDEO_UNMAP_VIDEO_MEMORY
Definition: ntddvdeo.h:179
#define IOCTL_VIDEO_SET_CURRENT_MODE
Definition: ntddvdeo.h:152
#define IOCTL_VIDEO_RESET_DEVICE
Definition: ntddvdeo.h:137
Definition: framebuf.h:34
ULONG ModeIndex
Definition: framebuf.h:38
HDEV hDevEng
Definition: framebuf.h:36
ULONG ScreenDelta
Definition: framebuf.h:41
PALETTEENTRY * PaletteEntries
Definition: framebuf.h:49
ULONG ScreenWidth
Definition: framebuf.h:39
DWORD iDitherFormat
Definition: framebuf.h:61
ULONG ScreenHeight
Definition: framebuf.h:40
PVOID ScreenPtr
Definition: framebuf.h:47
HANDLE hDriver
Definition: framebuf.h:35
BYTE BitsPerPixel
Definition: framebuf.h:42
HSURF hSurfEng
Definition: framebuf.h:37
PVOID RequestedVirtualAddress
Definition: ntddvdeo.h:275
LONG cx
Definition: windef.h:334
LONG cy
Definition: windef.h:335
#define IN
Definition: typedefs.h:39
uint32_t ULONG
Definition: typedefs.h:59
#define BMF_16BPP
Definition: winddi.h:358
#define BMF_8BPP
Definition: winddi.h:357
typedef DHPDEV(APIENTRY FN_DrvEnablePDEV)(_In_ DEVMODEW *pdm
ENGAPI BOOL APIENTRY EngDeleteSurface(_In_ _Post_ptr_invalid_ HSURF hsurf)
Definition: surface.c:567
ENGAPI HBITMAP APIENTRY EngCreateBitmap(_In_ SIZEL sizl, _In_ LONG lWidth, _In_ ULONG iFormat, _In_ FLONG fl, _In_opt_ PVOID pvBits)
FN_DrvSetPointerShape DrvSetPointerShape
#define BMF_24BPP
Definition: winddi.h:359
FN_DrvEnableSurface DrvEnableSurface
#define BMF_TOPDOWN
Definition: winddi.h:1180
#define BMF_32BPP
Definition: winddi.h:360
ENGAPI BOOL APIENTRY EngAssociateSurface(_In_ HSURF hsurf, _In_ HDEV hdev, _In_ FLONG flHooks)
Definition: surface.c:431
typedef HSURF(APIENTRY FN_DrvEnableSurface)(_In_ DHPDEV dhpdev)
_In_ BOOL bEnable
Definition: winddi.h:3426
_In_ LPWSTR _In_ ULONG _In_ ULONG _In_ ULONG _Out_ DEVINFO _In_ HDEV _In_ LPWSTR _In_ HANDLE hDriver
Definition: winddi.h:3557
FN_DrvAssertMode DrvAssertMode
FN_DrvDisableSurface DrvDisableSurface