source: Daodan/src/daodan_gl.c@ 682

Last change on this file since 682 was 677, checked in by alloc, 12 years ago

Daodan: Updated src to work with MinGW
File size: 8.1 KB
Line 
1#include <windows.h>
2#include <math.h>
3
4#include "Oni.h"
5#include "Oni_Persistence.h"
6#include "Daodan_Utility.h"
7#include <GL/gl.h>
8#include <GL/glu.h>
9#include "Daodan_Win32.h"
10#include "BFW_Utility.h"
11
12#include "daodan_gl.h"
13#include "oni_gl.h"
14
15#define max_modes (104) // Dirty hack to add more resolutions, it really should only be 16 ^_^
16#define builtin_modes (sizeof(daodan_reslist) / sizeof(M3tDisplayMode))
17#define builtin_depths (sizeof(daodan_resdepths) / sizeof(short))
18
19const M3tDisplayMode daodan_reslist[] = {
20 { 720 , 480, 0, 0 },
21 { 720 , 576, 0, 0 },
22 { 768 , 480, 0, 0 },
23 { 800 , 480, 0, 0 },
24 { 800 , 600, 0, 0 },
25 { 852 , 480, 0, 0 },
26 { 856 , 480, 0, 0 },
27 { 960 , 540, 0, 0 },
28 { 960 , 720, 0, 0 },
29 { 1024, 576, 0, 0 },
30 { 1024, 600, 0, 0 },
31 { 1024, 640, 0, 0 },
32 { 1024, 768, 0, 0 },
33 { 1152, 768, 0, 0 },
34 { 1152, 864, 0, 0 },
35 { 1280, 720, 0, 0 },
36 { 1280, 768, 0, 0 },
37 { 1280, 800, 0, 0 },
38 { 1280, 960, 0, 0 },
39 { 1280, 1024, 0, 0 },
40 { 1366, 768, 0, 0 },
41 { 1400, 1050, 0, 0 },
42 { 1440, 900, 0, 0 },
43 { 1600, 900, 0, 0 },
44 { 1600, 1200, 0, 0 },
45 { 1920, 1080, 0, 0 },
46 { 1920, 1200, 0, 0 },
47 { 1920, 1440, 0, 0 },
48};
49//Just going to always use 32 bits for now...
50//short daodan_resdepths[] = { 16, 32 };
51short daodan_resdepths[] = { 32 };
52DEVMODE orig_devmode, cur_devmode, new_devmode;
53
54void init_daodan_gl()
55{
56 DDrStartupMessage("initalizing daodan gl");
57
58 memset(&orig_devmode, 0, sizeof(orig_devmode));
59 orig_devmode.dmSize = sizeof(orig_devmode);
60
61 if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &orig_devmode))
62 {
63 orig_devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
64 orig_devmode.dmBitsPerPel = 32;
65 orig_devmode.dmPelsWidth = GetSystemMetrics(SM_CXSCREEN);
66 orig_devmode.dmPelsHeight = GetSystemMetrics(SM_CYSCREEN);
67 }
68
69 memcpy(&cur_devmode, &orig_devmode, sizeof(orig_devmode));
70 memcpy(&new_devmode, &orig_devmode, sizeof(orig_devmode));
71}
72
73void update_cdmode()
74{
75 if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &cur_devmode))
76 {
77 cur_devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
78 cur_devmode.dmBitsPerPel = 32;
79 cur_devmode.dmPelsWidth = GetSystemMetrics(SM_CXSCREEN);
80 cur_devmode.dmPelsHeight = GetSystemMetrics(SM_CYSCREEN);
81 }
82}
83
84unsigned int ONICALL daodan_enumerate_valid_display_modes(M3tDisplayMode modes[max_modes])
85{
86 unsigned int vmodes = 0;
87 unsigned int screen_x = GetSystemMetrics(SM_CXSCREEN);
88 unsigned int screen_y = GetSystemMetrics(SM_CYSCREEN);
89
90 uint16_t i, j;
91
92 DDrStartupMessage("listing display modes");
93 /*
94 if (!M3gResolutionSwitch)
95 daodan_resdepths[0] = orig_devmode.dmBitsPerPel;
96 */
97 for (i = 0; i < builtin_depths; i ++)
98 {
99 bool scrInsert = false;
100
101 modes[vmodes].Width = 640;
102 modes[vmodes].Height = 480;
103 modes[vmodes].Depth = daodan_resdepths[i];
104
105 if (++vmodes == max_modes - builtin_modes + i)
106 goto modesfull;
107
108 for (j = 0; j < builtin_modes; j ++)
109 if (!(daodan_reslist[j].Width == 640 && daodan_reslist[j].Height == 480) && !(daodan_reslist[j].Width == screen_x && daodan_reslist[j].Height == screen_y) &&
110 ((daodan_reslist[j].Width < screen_x && daodan_reslist[j].Height < screen_y) || (M3gResolutionSwitch && daodan_testmode(daodan_reslist[j]))))
111 {
112 if (!scrInsert && (daodan_reslist[j].Width > screen_x || (daodan_reslist[j].Width == screen_x && daodan_reslist[j].Height > screen_y)))
113 {
114 modes[vmodes].Width = screen_x;
115 modes[vmodes].Height = screen_y;
116 modes[vmodes].Depth = daodan_resdepths[i];
117
118 if (++vmodes == max_modes - builtin_modes + i)
119 goto modesfull;
120
121 scrInsert = true;
122 }
123
124 modes[vmodes].Width = daodan_reslist[j].Width;
125 modes[vmodes].Height = daodan_reslist[j].Height;
126 modes[vmodes].Depth = daodan_resdepths[i];
127
128 if (++vmodes == max_modes - builtin_modes + i)
129 goto modesfull;
130 }
131
132 if (!scrInsert)
133 {
134 modes[vmodes].Width = screen_x;
135 modes[vmodes].Height = screen_y;
136 modes[vmodes].Depth = daodan_resdepths[i];
137
138 if (++vmodes == max_modes - builtin_modes + i)
139 goto modesfull;
140 }
141
142 if (!M3gResolutionSwitch)
143 goto modesfull;
144 }
145
146 modesfull:
147 DDrStartupMessage("%d modes available", vmodes);
148 return vmodes;
149}
150
151bool daodan_testmode(M3tDisplayMode mode)
152{
153 DEVMODE devmode;
154 memset(&devmode, 0, sizeof(devmode));
155
156 devmode.dmSize = sizeof(devmode);
157 devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
158 devmode.dmBitsPerPel = mode.Depth;
159 devmode.dmPelsWidth = mode.Width;
160 devmode.dmPelsHeight = mode.Height;
161
162 return (ChangeDisplaySettings(&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
163}
164
165int daodan_set_display_mode(short width, short height, short depth)
166{
167 if (M3gResolutionSwitch)
168 {
169 DEVMODE new_devmode;
170 new_devmode.dmSize = sizeof(new_devmode);
171 new_devmode.dmFields = DM_BITSPERPEL | DM_PELSHEIGHT | DM_PELSWIDTH;
172 new_devmode.dmPelsWidth = width;
173 new_devmode.dmPelsHeight = height;
174 new_devmode.dmBitsPerPel = depth;
175
176 if (ChangeDisplaySettings(&new_devmode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
177 return 0;
178
179 if (ChangeDisplaySettings(&new_devmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
180 return 0;
181
182 update_cdmode();
183 gl_eng->DisplayMode.Width = cur_devmode.dmPelsWidth;
184 gl_eng->DisplayMode.Height = cur_devmode.dmPelsHeight;
185 if (cur_devmode.dmBitsPerPel > depth)
186 gl_eng->DisplayMode.Depth = cur_devmode.dmBitsPerPel;
187 }
188 else
189 {
190 update_cdmode();
191 if (cur_devmode.dmBitsPerPel > depth)
192 gl_eng->DisplayMode.Depth = cur_devmode.dmBitsPerPel;
193 }
194 return 1;
195}
196int ONICALL daodangl_platform_initialize()
197{
198 static M3tDisplayMode lastmode = {0, 0, 0, 0};
199
200 if (lastmode.Width != gl_eng->DisplayMode.Width || lastmode.Height != gl_eng->DisplayMode.Height || lastmode.Depth != gl_eng->DisplayMode.Depth)
201 if (!daodan_set_display_mode(gl_eng->DisplayMode.Width, gl_eng->DisplayMode.Height, gl_eng->DisplayMode.Depth))
202 if (gl_eng->DisplayMode.Width != 640 || gl_eng->DisplayMode.Height != 480 || gl_eng->DisplayMode.Depth != 16)
203 {
204 gl_eng->DisplayMode.Width = 640;
205 gl_eng->DisplayMode.Height = 480;
206 if (!daodan_set_display_mode(640, 480, 16))
207 goto exit_err;
208 }
209
210 if (lastmode.Width != gl_eng->DisplayMode.Width || lastmode.Height != gl_eng->DisplayMode.Height)
211 {
212 RECT Rect;
213 Rect.left = (GetSystemMetrics(SM_CXSCREEN) / 2) - (gl_eng->DisplayMode.Width / 2);
214 Rect.top = (GetSystemMetrics(SM_CYSCREEN) / 2) - (gl_eng->DisplayMode.Height / 2);
215 Rect.right = Rect.left + gl_eng->DisplayMode.Width;
216 Rect.bottom = Rect.top + gl_eng->DisplayMode.Height;
217 AdjustWindowRect(&Rect, WS_MAXIMIZEBOX | WS_MINIMIZEBOX | WS_CAPTION |WS_TILEDWINDOW , FALSE);
218
219 SetWindowPos(ONgPlatformData.Window, NULL, Rect.left, Rect.top, Rect.right - Rect.left, Rect.bottom - Rect.top, SWP_NOACTIVATE | SWP_NOZORDER);
220 }
221
222 if (gl_eng->HDC == NULL)
223 if ((gl_eng->HDC = GetDC(ONgPlatformData.Window)) == NULL)
224 goto exit_err;
225
226 if (gl_api->wglGetDeviceGammaRamp3DFX != NULL)
227 {
228 DDrStartupMessage("Using 3DFX gamma adjustment");
229
230 if (gl_api->wglGetDeviceGammaRamp3DFX(gl_eng->HDC, gl_gamma_ramp))
231 gl_gamma_ramp_valid = 1;
232 }
233 else
234 {
235 DDrStartupMessage("Using standard Windows gamma adjustment");
236
237 if (GetDeviceGammaRamp(gl_eng->HDC, gl_gamma_ramp))
238 gl_gamma_ramp_valid = 1;
239 }
240 /*
241 if (gl_gamma_ramp_valid)
242 daodan_set_gamma(ONrPersist_GetGamma());
243 else*/
244 DDrStartupMessage("gamma adjustment not supported");
245
246 if (!gl_platform_set_pixel_format(gl_eng->HDC))
247 if (gl_eng->DisplayMode.Depth != 16)
248 {
249 if (!daodan_set_display_mode(gl_eng->DisplayMode.Width, gl_eng->DisplayMode.Height, 16))
250 goto exit_err;
251
252 if (!gl_platform_set_pixel_format(gl_eng->HDC))
253 goto exit_err;
254 }
255
256 lastmode.Width = gl_eng->DisplayMode.Width;
257 lastmode.Height = gl_eng->DisplayMode.Height;
258 lastmode.Depth = gl_eng->DisplayMode.Depth;
259 return 1;
260
261exit_err:
262 AUrMessageBox(1, "Failed to initialize OpenGL contexts; Oni will now exit.");
263 exit(0);
264 return 0;
265}
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