1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** GUIX Component */
16 /** */
17 /** Win32 Display Management (Display) */
18 /** */
19 /**************************************************************************/
20 #ifdef WIN32
21 #include "tx_api.h"
22 #include "gx_api.h"
23 #include "gx_system.h"
24 #include "gx_display.h"
25 #include "windows.h"
26 #include "gx_win32_display_driver.h"
27
28 /**************************************************************************/
29 /* */
30 /* FUNCTION RELEASE */
31 /* */
32 /* win32_24xrgb_bitmap_header_create PORTABLE C */
33 /* 6.1.4 */
34 /* AUTHOR */
35 /* */
36 /* Kenneth Maxwell, Microsoft Corporation */
37 /* */
38 /* DESCRIPTION */
39 /* */
40 /* This function creates bitmap header for 24xrgb driver. */
41 /* */
42 /* INPUT */
43 /* */
44 /* display Pointer to GX_DISPLAY */
45 /* */
46 /* OUTPUT */
47 /* */
48 /* None */
49 /* */
50 /* CALLS */
51 /* */
52 /* None */
53 /* */
54 /* CALLED BY */
55 /* */
56 /* win32_graphics_driver_setup_24xrgb */
57 /* */
58 /* RELEASE HISTORY */
59 /* */
60 /* DATE NAME DESCRIPTION */
61 /* */
62 /* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
63 /* 02-02-2021 Kenneth Maxwell Modified comment(s), */
64 /* Renamed function, */
65 /* resulting in version 6.1.4 */
66 /* */
67 /**************************************************************************/
win32_32bpp_bitmap_header_create(GX_DISPLAY * display)68 VOID win32_32bpp_bitmap_header_create(GX_DISPLAY *display)
69 {
70 GX_WIN32_DISPLAY_DRIVER_DATA *instance;
71 DWORD *putmask;
72
73 instance = (GX_WIN32_DISPLAY_DRIVER_DATA *)display -> gx_display_driver_data;
74
75 instance -> win32_driver_bmpinfo.gx_bmp_header.biSize = sizeof(BITMAPINFOHEADER);
76 instance -> win32_driver_bmpinfo.gx_bmp_header.biWidth = display -> gx_display_width;
77 instance -> win32_driver_bmpinfo.gx_bmp_header.biHeight = display -> gx_display_height;
78
79 instance -> win32_driver_bmpinfo.gx_bmp_header.biPlanes = 1;
80 instance -> win32_driver_bmpinfo.gx_bmp_header.biBitCount = 32;
81 instance -> win32_driver_bmpinfo.gx_bmp_header.biSizeImage = display -> gx_display_width * display -> gx_display_height * 4;
82 instance -> win32_driver_bmpinfo.gx_bmp_header.biClrUsed = 16777215;
83 instance -> win32_driver_bmpinfo.gx_bmp_header.biClrImportant = 16777215;
84 instance -> win32_driver_bmpinfo.gx_bmp_header.biCompression = BI_BITFIELDS;
85
86 putmask = (DWORD *)&(instance -> win32_driver_bmpinfo.gx_bmp_colors[0]);
87
88 *putmask++ = 0x00ff0000;
89 *putmask++ = 0x0000ff00;
90 *putmask = 0x000000ff;
91 }
92
93 /**************************************************************************/
94 /* */
95 /* FUNCTION RELEASE */
96 /* */
97 /* win32_graphics_driver_setup_24xrgb PORTABLE C */
98 /* 6.1.10 */
99 /* AUTHOR */
100 /* */
101 /* Kenneth Maxwell, Microsoft Corporation */
102 /* */
103 /* DESCRIPTION */
104 /* */
105 /* This function creates a Windows specific 24xrgb display driver. */
106 /* */
107 /* INPUT */
108 /* */
109 /* display Pointer to GX_DISPLAY */
110 /* */
111 /* OUTPUT */
112 /* */
113 /* status Completion status */
114 /* */
115 /* CALLS */
116 /* */
117 /* _gx_display_driver_24xrgb_setup guix display setup funciton. */
118 /* win32_24xrgb_bitmap_header_create Create bitmap header info */
119 /* gx_win32_get_free_data_instance Get display data instance */
120 /* GX_WIN32_EVENT_THREAD_CREATE Create event thread */
121 /* */
122 /* CALLED BY */
123 /* */
124 /* Application Code */
125 /* */
126 /* RELEASE HISTORY */
127 /* */
128 /* DATE NAME DESCRIPTION */
129 /* */
130 /* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
131 /* 02-02-2021 Kenneth Maxwell Modified comment(s), */
132 /* Updated function name, */
133 /* resulting in version 6.1.4 */
134 /* 01-31-2022 Ting Zhu Modified comment(s), */
135 /* improved logic, */
136 /* resulting in version 6.1.10 */
137 /* */
138 /**************************************************************************/
win32_graphics_driver_setup_24xrgb(GX_DISPLAY * display)139 UINT win32_graphics_driver_setup_24xrgb(GX_DISPLAY *display)
140 {
141 GX_WIN32_DISPLAY_DRIVER_DATA *data;
142
143 /* Initialize the low-level drawing function pointers.
144 For windows, these are always just the generic funcions,
145 but for some hardware, these will be customized,
146 optimized functions specific to that hardware. */
147 data = gx_win32_get_free_data_instance();
148
149 if (!data)
150 {
151 /* We don't have any free display data instance. */
152 return(GX_FAILURE);
153 }
154
155 /* Save off the format of display driver. */
156 data -> win32_driver_type = GX_COLOR_FORMAT_24XRGB;
157
158 _gx_display_driver_24xrgb_setup(display, data, gx_win32_display_buffer_toggle);
159
160 /* Create bitmap header for 24xrgb display driver. */
161 win32_32bpp_bitmap_header_create(display);
162
163 /* Create the GUIX / Windows event thread
164 This thread is a substitute for a touch screen
165 or keyboard driver thread that would be running
166 on embedded hardware. */
167 GX_WIN32_EVENT_THREAD_CREATE(data, "GUI-WIN32-24xrgb");
168
169 return(GX_SUCCESS);
170 }
171 #endif /* WIN32 */
172
173
