1 |
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/* |
2 |
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* video.cpp - Video/graphics emulation |
3 |
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* |
4 |
< |
* Basilisk II (C) 1997-2000 Christian Bauer |
4 |
> |
* Basilisk II (C) 1997-2001 Christian Bauer |
5 |
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* Portions (C) 1997-1999 Marc Hellwig |
6 |
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* |
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* This program is free software; you can redistribute it and/or modify |
38 |
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#include "debug.h" |
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|
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|
41 |
+ |
// List of supported video modes |
42 |
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vector<video_mode> VideoModes; |
43 |
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|
44 |
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// Description of the main monitor |
45 |
< |
video_desc VideoMonitor; |
45 |
> |
monitor_desc VideoMonitor; |
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|
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// Local variables (per monitor) |
48 |
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struct { |
49 |
< |
video_desc *desc; // Pointer to monitor description |
49 |
> |
monitor_desc *desc; // Pointer to description of monitor handled by this instance of the driver |
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uint8 palette[256 * 3]; // Color palette, 256 entries, RGB |
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bool luminance_mapping; // Luminance mapping on/off |
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bool interrupts_enabled; // VBL interrupts on/off |
53 |
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uint32 gamma_table; // Mac address of gamma table |
54 |
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uint16 current_mode; // Currently selected depth/resolution |
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uint32 current_id; |
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uint16 preferred_mode; // Preferred depth/resolution |
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uint32 preferred_id; |
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uint32 sp; // Mac address of Slot Manager parameter block |
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} VidLocal; |
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|
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|
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/* |
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* Check whether specified resolution ID is one of the supported resolutions |
64 |
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*/ |
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|
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static bool has_resolution(uint32 id) |
67 |
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{ |
68 |
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std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
69 |
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while (i != end) { |
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if (i->resolution_id == id) |
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return true; |
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++i; |
73 |
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} |
74 |
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return false; |
75 |
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} |
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|
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|
78 |
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/* |
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* Find specified mode (depth/resolution) (or VideoModes.end() if not found) |
80 |
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*/ |
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|
82 |
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static std::vector<video_mode>::const_iterator find_mode(uint16 mode, uint32 id) |
83 |
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{ |
84 |
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std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
85 |
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while (i != end) { |
86 |
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if (i->resolution_id == id && DepthToAppleMode(i->depth) == mode) |
87 |
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return i; |
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++i; |
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} |
90 |
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return i; |
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} |
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|
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|
94 |
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/* |
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* Find maximum supported depth for given resolution ID |
96 |
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*/ |
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|
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static video_depth max_depth_of_resolution(uint32 id) |
99 |
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{ |
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video_depth m = VDEPTH_1BIT; |
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vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
102 |
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while (i != end) { |
103 |
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if (i->depth > m) |
104 |
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m = i->depth; |
105 |
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++i; |
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} |
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return m; |
108 |
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} |
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|
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|
111 |
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/* |
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* Get X/Y size of specified resolution |
113 |
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*/ |
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|
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static void get_size_of_resolution(uint32 id, uint32 &x, uint32 &y) |
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{ |
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vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
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while (i != end) { |
119 |
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if (i->resolution_id == id) { |
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x = i->x; |
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y = i->y; |
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return; |
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} |
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++i; |
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} |
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} |
127 |
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|
128 |
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|
129 |
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/* |
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* Set palette to 50% gray |
131 |
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*/ |
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|
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static void set_gray_palette(void) |
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{ |
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if (!IsDirectMode(VidLocal.current_mode)) { |
136 |
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for (int i=0; i<256; i++) { |
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VidLocal.palette[i * 3 + 0] = 127; |
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VidLocal.palette[i * 3 + 1] = 127; |
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VidLocal.palette[i * 3 + 2] = 127; |
140 |
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} |
141 |
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video_set_palette(VidLocal.palette); |
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} |
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} |
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|
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|
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/* |
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* Driver Open() routine |
148 |
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*/ |
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|
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{ |
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D(bug("VideoDriverOpen\n")); |
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|
154 |
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// This shouldn't happen unless the platform-specific video code is broken |
155 |
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if (VideoModes.empty()) |
156 |
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fprintf(stderr, "No valid video modes found (broken video driver?)\n"); |
157 |
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|
158 |
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// Init local variables |
159 |
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VidLocal.desc = &VideoMonitor; |
160 |
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VidLocal.luminance_mapping = false; |
161 |
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VidLocal.interrupts_enabled = false; |
162 |
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VidLocal.current_mode = DepthToAppleMode(VidLocal.desc->mode.depth); |
163 |
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VidLocal.current_id = VidLocal.desc->mode.resolution_id; |
164 |
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VidLocal.preferred_mode = VidLocal.current_mode; |
165 |
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VidLocal.preferred_id = VidLocal.current_id; |
166 |
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|
167 |
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// Allocate Slot Manager parameter block in Mac RAM |
168 |
+ |
M68kRegisters r; |
169 |
+ |
r.d[0] = SIZEOF_SPBlock; |
170 |
+ |
Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
171 |
+ |
if (r.a[0] == 0) |
172 |
+ |
return memFullErr; |
173 |
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VidLocal.sp = r.a[0]; |
174 |
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D(bug("SPBlock at %08x\n", VidLocal.sp)); |
175 |
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|
176 |
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// Find and set default gamma table |
177 |
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VidLocal.gamma_table = 0; //!! |
178 |
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|
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// Init color palette (solid gray) |
180 |
< |
if (!IsDirectMode(VidLocal.desc->mode)) { |
68 |
< |
for (int i=0; i<256; i++) { |
69 |
< |
VidLocal.palette[i * 3 + 0] = 127; |
70 |
< |
VidLocal.palette[i * 3 + 1] = 127; |
71 |
< |
VidLocal.palette[i * 3 + 2] = 127; |
72 |
< |
} |
73 |
< |
video_set_palette(VidLocal.palette); |
74 |
< |
} |
180 |
> |
set_gray_palette(); |
181 |
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return noErr; |
182 |
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} |
183 |
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|
193 |
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D(bug("VideoDriverControl %d\n", code)); |
194 |
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switch (code) { |
195 |
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|
196 |
< |
case cscSetMode: // Set color depth |
197 |
< |
D(bug(" SetMode %04x\n", ReadMacInt16(param + csMode))); |
196 |
> |
case cscSetMode: { // Set color depth |
197 |
> |
uint16 mode = ReadMacInt16(param + csMode); |
198 |
> |
D(bug(" SetMode %04x\n", mode)); |
199 |
> |
|
200 |
> |
// Set old base address in case the switch fails |
201 |
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WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
202 |
+ |
|
203 |
+ |
if (ReadMacInt16(param + csPage)) |
204 |
+ |
return paramErr; |
205 |
+ |
|
206 |
+ |
if (mode != VidLocal.current_mode) { |
207 |
+ |
std::vector<video_mode>::const_iterator i = find_mode(mode, VidLocal.current_id); |
208 |
+ |
if (i == VideoModes.end()) |
209 |
+ |
return paramErr; |
210 |
+ |
set_gray_palette(); |
211 |
+ |
video_switch_to_mode(*i); |
212 |
+ |
VidLocal.current_mode = mode; |
213 |
+ |
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
214 |
+ |
WriteMacInt32(dce + dCtlDevBase, VidLocal.desc->mac_frame_base); |
215 |
+ |
} |
216 |
+ |
D(bug(" base %08x\n", VidLocal.desc->mac_frame_base)); |
217 |
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return noErr; |
218 |
+ |
} |
219 |
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|
220 |
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case cscSetEntries: { // Set palette |
221 |
< |
D(bug(" SetEntries table %08lx, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
222 |
< |
if (IsDirectMode(VidLocal.desc->mode)) |
221 |
> |
D(bug(" SetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
222 |
> |
if (IsDirectMode(VidLocal.current_mode)) |
223 |
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return controlErr; |
224 |
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|
225 |
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uint32 s_pal = ReadMacInt32(param + csTable); // Source palette |
226 |
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uint8 *d_pal; // Destination palette |
227 |
+ |
uint16 start = ReadMacInt16(param + csStart); |
228 |
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uint16 count = ReadMacInt16(param + csCount); |
229 |
< |
if (!s_pal || count > 255) |
229 |
> |
if (s_pal == 0 || count > 255) |
230 |
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return paramErr; |
231 |
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|
232 |
< |
if (ReadMacInt16(param + csStart) == 0xffff) { // Indexed |
232 |
> |
if (start == 0xffff) { // Indexed |
233 |
|
for (uint32 i=0; i<=count; i++) { |
234 |
< |
d_pal = VidLocal.palette + ReadMacInt16(s_pal) * 3; |
234 |
> |
d_pal = VidLocal.palette + (ReadMacInt16(s_pal) & 0xff) * 3; |
235 |
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uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8; |
236 |
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uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8; |
237 |
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uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8; |
238 |
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if (VidLocal.luminance_mapping) |
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red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
240 |
+ |
//!! gamma correction |
241 |
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*d_pal++ = red; |
242 |
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*d_pal++ = green; |
243 |
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*d_pal++ = blue; |
244 |
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s_pal += 8; |
245 |
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} |
246 |
< |
} else { // Sequential |
247 |
< |
d_pal = VidLocal.palette + ReadMacInt16(param + csStart) * 3; |
246 |
> |
} else { // Sequential |
247 |
> |
if (start + count > 255) |
248 |
> |
return paramErr; |
249 |
> |
d_pal = VidLocal.palette + start * 3; |
250 |
|
for (uint32 i=0; i<=count; i++) { |
251 |
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uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8; |
252 |
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uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8; |
253 |
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uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8; |
254 |
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if (VidLocal.luminance_mapping) |
255 |
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red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
256 |
+ |
//!! gamma correction |
257 |
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*d_pal++ = red; |
258 |
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*d_pal++ = green; |
259 |
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*d_pal++ = blue; |
266 |
|
|
267 |
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case cscSetGamma: // Set gamma table |
268 |
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D(bug(" SetGamma\n")); |
269 |
< |
return noErr; |
269 |
> |
//!! |
270 |
> |
return controlErr; |
271 |
|
|
272 |
|
case cscGrayPage: { // Fill page with dithered gray pattern |
273 |
|
D(bug(" GrayPage %d\n", ReadMacInt16(param + csPage))); |
283 |
|
0xffffffff // 32 bpp |
284 |
|
}; |
285 |
|
uint32 p = VidLocal.desc->mac_frame_base; |
286 |
< |
uint32 pat = pattern[VidLocal.desc->mode]; |
287 |
< |
for (uint32 y=0; y<VidLocal.desc->y; y++) { |
288 |
< |
uint32 p2 = p; |
289 |
< |
for (uint32 x=0; x<VidLocal.desc->bytes_per_row / 4; x++) { |
290 |
< |
WriteMacInt32(p2, pat); |
291 |
< |
p2 += 4; |
161 |
< |
if (VidLocal.desc->mode == VMODE_32BIT) |
286 |
> |
uint32 pat = pattern[VidLocal.desc->mode.depth]; |
287 |
> |
bool invert = (VidLocal.desc->mode.depth == VDEPTH_32BIT); |
288 |
> |
for (uint32 y=0; y<VidLocal.desc->mode.y; y++) { |
289 |
> |
for (uint32 x=0; x<VidLocal.desc->mode.bytes_per_row; x+=4) { |
290 |
> |
WriteMacInt32(p + x, pat); |
291 |
> |
if (invert) |
292 |
|
pat = ~pat; |
293 |
|
} |
294 |
< |
p += VidLocal.desc->bytes_per_row; |
294 |
> |
p += VidLocal.desc->mode.bytes_per_row; |
295 |
|
pat = ~pat; |
296 |
|
} |
297 |
+ |
//!! if direct mode, load gamma table to CLUT |
298 |
|
return noErr; |
299 |
|
} |
300 |
|
|
303 |
|
VidLocal.luminance_mapping = ReadMacInt8(param + csMode); |
304 |
|
return noErr; |
305 |
|
|
175 |
– |
case cscSwitchMode: // Switch video mode |
176 |
– |
D(bug(" SwitchMode %04x, %08lx\n", ReadMacInt16(param + csMode), ReadMacInt32(param + csData))); |
177 |
– |
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
178 |
– |
return noErr; |
179 |
– |
|
306 |
|
case cscSetInterrupt: // Enable/disable VBL |
307 |
|
D(bug(" SetInterrupt %02x\n", ReadMacInt8(param + csMode))); |
308 |
|
VidLocal.interrupts_enabled = (ReadMacInt8(param + csMode) == 0); |
309 |
|
return noErr; |
310 |
|
|
311 |
+ |
case cscSetDefaultMode: { // Set default color depth |
312 |
+ |
uint16 mode = ReadMacInt16(param + csMode); |
313 |
+ |
D(bug(" SetDefaultMode %04x\n", mode)); |
314 |
+ |
VidLocal.preferred_mode = mode; |
315 |
+ |
return noErr; |
316 |
+ |
} |
317 |
+ |
|
318 |
+ |
case cscSwitchMode: { // Switch video mode (depth and resolution) |
319 |
+ |
uint16 mode = ReadMacInt16(param + csMode); |
320 |
+ |
uint32 id = ReadMacInt32(param + csData); |
321 |
+ |
D(bug(" SwitchMode %04x, %08x\n", mode, id)); |
322 |
+ |
|
323 |
+ |
// Set old base address in case the switch fails |
324 |
+ |
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
325 |
+ |
|
326 |
+ |
if (ReadMacInt16(param + csPage)) |
327 |
+ |
return paramErr; |
328 |
+ |
|
329 |
+ |
if (mode != VidLocal.current_mode || id != VidLocal.current_id) { |
330 |
+ |
std::vector<video_mode>::const_iterator i = find_mode(mode, id); |
331 |
+ |
if (i == VideoModes.end()) |
332 |
+ |
return paramErr; |
333 |
+ |
set_gray_palette(); |
334 |
+ |
video_switch_to_mode(*i); |
335 |
+ |
VidLocal.current_mode = mode; |
336 |
+ |
VidLocal.current_id = id; |
337 |
+ |
uint32 frame_base = VidLocal.desc->mac_frame_base; |
338 |
+ |
WriteMacInt32(param + csBaseAddr, frame_base); |
339 |
+ |
|
340 |
+ |
M68kRegisters r; |
341 |
+ |
uint32 sp = VidLocal.sp; |
342 |
+ |
r.a[0] = sp; |
343 |
+ |
|
344 |
+ |
// Find functional sResource for this display |
345 |
+ |
WriteMacInt8(sp + spSlot, ReadMacInt8(dce + dCtlSlot)); |
346 |
+ |
WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId)); |
347 |
+ |
WriteMacInt8(sp + spExtDev, 0); |
348 |
+ |
r.d[0] = 0x0016; |
349 |
+ |
Execute68kTrap(0xa06e, &r); // SRsrcInfo() |
350 |
+ |
uint32 rsrc = ReadMacInt32(sp + spPointer); |
351 |
+ |
|
352 |
+ |
// Patch minorBase |
353 |
+ |
WriteMacInt8(sp + spID, 0x0a); // minorBase |
354 |
+ |
r.d[0] = 0x0006; |
355 |
+ |
Execute68kTrap(0xa06e, &r); // SFindStruct() |
356 |
+ |
uint32 minor_base = ReadMacInt32(sp + spPointer) - ROMBaseMac; |
357 |
+ |
ROMBaseHost[minor_base + 0] = frame_base >> 24; |
358 |
+ |
ROMBaseHost[minor_base + 1] = frame_base >> 16; |
359 |
+ |
ROMBaseHost[minor_base + 2] = frame_base >> 8; |
360 |
+ |
ROMBaseHost[minor_base + 3] = frame_base; |
361 |
+ |
|
362 |
+ |
// Patch video mode parameter table |
363 |
+ |
WriteMacInt32(sp + spPointer, rsrc); |
364 |
+ |
WriteMacInt8(sp + spID, mode); |
365 |
+ |
r.d[0] = 0x0006; |
366 |
+ |
Execute68kTrap(0xa06e, &r); // SFindStruct() |
367 |
+ |
WriteMacInt8(sp + spID, 0x01); |
368 |
+ |
r.d[0] = 0x0006; |
369 |
+ |
Execute68kTrap(0xa06e, &r); // SFindStruct() |
370 |
+ |
uint32 p = ReadMacInt32(sp + spPointer) - ROMBaseMac; |
371 |
+ |
ROMBaseHost[p + 8] = i->bytes_per_row >> 8; |
372 |
+ |
ROMBaseHost[p + 9] = i->bytes_per_row; |
373 |
+ |
ROMBaseHost[p + 14] = i->y >> 8; |
374 |
+ |
ROMBaseHost[p + 15] = i->y; |
375 |
+ |
ROMBaseHost[p + 16] = i->x >> 8; |
376 |
+ |
ROMBaseHost[p + 17] = i->x; |
377 |
+ |
|
378 |
+ |
// Update sResource |
379 |
+ |
WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId)); |
380 |
+ |
r.d[0] = 0x002b; |
381 |
+ |
Execute68kTrap(0xa06e, &r); // SUpdateSRT() |
382 |
+ |
|
383 |
+ |
// Update frame buffer base in DCE |
384 |
+ |
WriteMacInt32(dce + dCtlDevBase, frame_base); |
385 |
+ |
} |
386 |
+ |
D(bug(" base %08x\n", VidLocal.desc->mac_frame_base)); |
387 |
+ |
return noErr; |
388 |
+ |
} |
389 |
+ |
|
390 |
+ |
case cscSavePreferredConfiguration: { |
391 |
+ |
uint16 mode = ReadMacInt16(param + csMode); |
392 |
+ |
uint32 id = ReadMacInt32(param + csData); |
393 |
+ |
D(bug(" SavePreferredConfiguration %04x, %08x\n", mode, id)); |
394 |
+ |
VidLocal.preferred_mode = mode; |
395 |
+ |
VidLocal.preferred_id = id; |
396 |
+ |
return noErr; |
397 |
+ |
} |
398 |
+ |
|
399 |
|
default: |
400 |
|
printf("WARNING: Unknown VideoDriverControl(%d)\n", code); |
401 |
|
return controlErr; |
414 |
|
D(bug("VideoDriverStatus %d\n", code)); |
415 |
|
switch (code) { |
416 |
|
|
417 |
< |
case cscGetPageCnt: // Get number of pages |
418 |
< |
D(bug(" GetPageCnt\n")); |
417 |
> |
case cscGetMode: // Get current color depth |
418 |
> |
D(bug(" GetMode -> %04x, base %08x\n", VidLocal.current_mode, VidLocal.desc->mac_frame_base)); |
419 |
> |
WriteMacInt16(param + csMode, VidLocal.current_mode); |
420 |
> |
WriteMacInt16(param + csPage, 0); |
421 |
> |
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
422 |
> |
return noErr; |
423 |
> |
|
424 |
> |
case cscGetEntries: { // Read palette |
425 |
> |
D(bug(" GetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
426 |
> |
|
427 |
> |
uint8 *s_pal; // Source palette |
428 |
> |
uint32 d_pal = ReadMacInt32(param + csTable); // Destination palette |
429 |
> |
uint16 start = ReadMacInt16(param + csStart); |
430 |
> |
uint16 count = ReadMacInt16(param + csCount); |
431 |
> |
if (d_pal == 0 || count > 255) |
432 |
> |
return paramErr; |
433 |
> |
|
434 |
> |
if (start == 0xffff) { // Indexed |
435 |
> |
for (uint32 i=0; i<=count; i++) { |
436 |
> |
s_pal = VidLocal.palette + (ReadMacInt16(d_pal) & 0xff) * 3; |
437 |
> |
uint8 red = *s_pal++; |
438 |
> |
uint8 green = *s_pal++; |
439 |
> |
uint8 blue = *s_pal++; |
440 |
> |
WriteMacInt16(d_pal + 2, red * 0x0101); |
441 |
> |
WriteMacInt16(d_pal + 4, green * 0x0101); |
442 |
> |
WriteMacInt16(d_pal + 6, blue * 0x0101); |
443 |
> |
d_pal += 8; |
444 |
> |
} |
445 |
> |
} else { // Sequential |
446 |
> |
if (start + count > 255) |
447 |
> |
return paramErr; |
448 |
> |
s_pal = VidLocal.palette + start * 3; |
449 |
> |
for (uint32 i=0; i<=count; i++) { |
450 |
> |
uint8 red = *s_pal++; |
451 |
> |
uint8 green = *s_pal++; |
452 |
> |
uint8 blue = *s_pal++; |
453 |
> |
WriteMacInt16(d_pal + 2, red * 0x0101); |
454 |
> |
WriteMacInt16(d_pal + 4, green * 0x0101); |
455 |
> |
WriteMacInt16(d_pal + 6, blue * 0x0101); |
456 |
> |
d_pal += 8; |
457 |
> |
} |
458 |
> |
} |
459 |
> |
return noErr; |
460 |
> |
} |
461 |
> |
|
462 |
> |
case cscGetPages: // Get number of pages |
463 |
> |
D(bug(" GetPages -> 1\n")); |
464 |
|
WriteMacInt16(param + csPage, 1); |
465 |
|
return noErr; |
466 |
|
|
467 |
< |
case cscGetPageBase: // Get page base address |
468 |
< |
D(bug(" GetPageBase\n")); |
467 |
> |
case cscGetBaseAddress: // Get page base address |
468 |
> |
D(bug(" GetBaseAddress -> %08x\n", VidLocal.desc->mac_frame_base)); |
469 |
|
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
470 |
< |
return noErr; |
470 |
> |
if (ReadMacInt16(param + csPage)) |
471 |
> |
return paramErr; |
472 |
> |
else |
473 |
> |
return noErr; |
474 |
|
|
475 |
|
case cscGetGray: // Get luminance mapping flag |
476 |
< |
D(bug(" GetGray\n")); |
477 |
< |
WriteMacInt8(param + csMode, VidLocal.luminance_mapping ? 1 : 0); |
476 |
> |
D(bug(" GetGray -> %d\n", VidLocal.luminance_mapping)); |
477 |
> |
WriteMacInt16(param, VidLocal.luminance_mapping ? 0x0100 : 0); |
478 |
|
return noErr; |
479 |
|
|
480 |
|
case cscGetInterrupt: // Get interrupt disable flag |
481 |
< |
D(bug(" GetInterrupt\n")); |
482 |
< |
WriteMacInt8(param + csMode, VidLocal.interrupts_enabled ? 0 : 1); |
481 |
> |
D(bug(" GetInterrupt -> %d\n", VidLocal.interrupts_enabled)); |
482 |
> |
WriteMacInt16(param, VidLocal.interrupts_enabled ? 0 : 0x0100); |
483 |
|
return noErr; |
484 |
|
|
485 |
< |
case cscGetDefaultMode: // Get default video mode |
486 |
< |
D(bug(" GetDefaultMode\n")); |
487 |
< |
WriteMacInt8(param + csMode, 0x80); |
485 |
> |
case cscGetGamma: |
486 |
> |
D(bug(" GetGamma -> \n")); |
487 |
> |
//!! |
488 |
> |
return statusErr; |
489 |
> |
|
490 |
> |
case cscGetDefaultMode: // Get default color depth |
491 |
> |
D(bug(" GetDefaultMode -> %04x\n", VidLocal.preferred_mode)); |
492 |
> |
WriteMacInt16(param + csMode, VidLocal.preferred_mode); |
493 |
|
return noErr; |
494 |
|
|
495 |
< |
case cscGetCurMode: // Get current video mode |
496 |
< |
D(bug(" GetCurMode\n")); |
497 |
< |
WriteMacInt16(param + csMode, 0x80); |
498 |
< |
WriteMacInt32(param + csData, 0x80); |
495 |
> |
case cscGetCurrentMode: // Get current video mode (depth and resolution) |
496 |
> |
D(bug(" GetCurMode -> %04x/%08x, base %08x\n", VidLocal.current_mode, VidLocal.current_id, VidLocal.desc->mac_frame_base)); |
497 |
> |
WriteMacInt16(param + csMode, VidLocal.current_mode); |
498 |
> |
WriteMacInt32(param + csData, VidLocal.current_id); |
499 |
|
WriteMacInt16(param + csPage, 0); |
500 |
|
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
501 |
|
return noErr; |
502 |
|
|
503 |
|
case cscGetConnection: // Get monitor information |
504 |
|
D(bug(" GetConnection\n")); |
505 |
< |
WriteMacInt16(param + csDisplayType, 6); // 21" Multiscan |
506 |
< |
WriteMacInt8(param + csConnectTaggedType, 6); |
507 |
< |
WriteMacInt8(param + csConnectTaggedData, 0x23); |
508 |
< |
WriteMacInt32(param + csConnectFlags, 0x03); // All modes valid and safe |
505 |
> |
WriteMacInt16(param + csDisplayType, 8); // Modeless connection |
506 |
> |
WriteMacInt8(param + csConnectTaggedType, 0); |
507 |
> |
WriteMacInt8(param + csConnectTaggedData, 0); |
508 |
> |
WriteMacInt32(param + csConnectFlags, 0x43); // All modes valid and safe, non-standard tagging |
509 |
|
WriteMacInt32(param + csDisplayComponent, 0); |
510 |
|
return noErr; |
511 |
|
|
512 |
< |
case cscGetModeTiming: // Get video timing for mode |
513 |
< |
D(bug(" GetModeTiming mode %08lx\n", ReadMacInt32(param + csTimingMode))); |
512 |
> |
case cscGetModeTiming: { // Get video timing for specified resolution |
513 |
> |
uint32 id = ReadMacInt32(param + csTimingMode); |
514 |
> |
D(bug(" GetModeTiming %08x\n", id)); |
515 |
> |
if (!has_resolution(id)) |
516 |
> |
return paramErr; |
517 |
> |
|
518 |
|
WriteMacInt32(param + csTimingFormat, FOURCC('d', 'e', 'c', 'l')); |
519 |
< |
WriteMacInt32(param + csTimingData, 220); // 21" Multiscan |
520 |
< |
WriteMacInt32(param + csTimingFlags, 0x0f); // Mode valid, safe, default and shown in Monitors panel |
519 |
> |
WriteMacInt32(param + csTimingData, 0); // unknown |
520 |
> |
uint32 flags = 0xb; // mode valid, safe and shown in Monitors panel |
521 |
> |
if (id == VidLocal.preferred_id) |
522 |
> |
flags |= 4; // default mode |
523 |
> |
WriteMacInt32(param + csTimingFlags, flags); |
524 |
|
return noErr; |
525 |
+ |
} |
526 |
|
|
527 |
|
case cscGetModeBaseAddress: // Get frame buffer base address |
528 |
< |
D(bug(" GetModeBaseAddress\n")); |
529 |
< |
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); // Base address of video RAM for the current DisplayModeID and relative bit depth |
528 |
> |
D(bug(" GetModeBaseAddress -> base %08x\n", VidLocal.desc->mac_frame_base)); |
529 |
> |
WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); |
530 |
|
return noErr; |
531 |
|
|
532 |
< |
case cscGetMode: // REQUIRED for MacsBug |
533 |
< |
D(bug(" GetMode\n")); |
534 |
< |
WriteMacInt16(param + csPageMode, 0x80); |
535 |
< |
WriteMacInt32(param + csPageData, 0x80); // Unused |
536 |
< |
WriteMacInt16(param + csPagePage, 0); // Current display page |
537 |
< |
WriteMacInt32(param + csPageBaseAddr, VidLocal.desc->mac_frame_base); |
532 |
> |
case cscGetPreferredConfiguration: // Get default video mode (depth and resolution) |
533 |
> |
D(bug(" GetPreferredConfiguration -> %04x/%08x\n", VidLocal.preferred_mode, VidLocal.preferred_id)); |
534 |
> |
WriteMacInt16(param + csMode, VidLocal.preferred_mode); |
535 |
> |
WriteMacInt32(param + csData, VidLocal.preferred_id); |
536 |
> |
return noErr; |
537 |
> |
|
538 |
> |
case cscGetNextResolution: { // Called iteratively to obtain a list of all supported resolutions |
539 |
> |
uint32 id = ReadMacInt32(param + csPreviousDisplayModeID); |
540 |
> |
D(bug(" GetNextResolution %08x\n", id)); |
541 |
> |
|
542 |
> |
switch (id) { |
543 |
> |
case 0: |
544 |
> |
// Return current resolution |
545 |
> |
id = VidLocal.current_id; |
546 |
> |
break; |
547 |
> |
|
548 |
> |
case 0xfffffffe: |
549 |
> |
// Return first supported resolution |
550 |
> |
id = 0x80; |
551 |
> |
while (!has_resolution(id)) |
552 |
> |
id++; |
553 |
> |
break; |
554 |
> |
|
555 |
> |
default: |
556 |
> |
// Get next resolution |
557 |
> |
if (!has_resolution(id)) |
558 |
> |
return paramErr; |
559 |
> |
id++; |
560 |
> |
while (!has_resolution(id) && id < 0x100) |
561 |
> |
id++; |
562 |
> |
if (id == 0x100) { // No more resolutions |
563 |
> |
WriteMacInt32(param + csRIDisplayModeID, 0xfffffffd); |
564 |
> |
return noErr; |
565 |
> |
} |
566 |
> |
break; |
567 |
> |
} |
568 |
> |
|
569 |
> |
WriteMacInt32(param + csRIDisplayModeID, id); |
570 |
> |
uint32 x, y; |
571 |
> |
get_size_of_resolution(id, x, y); |
572 |
> |
WriteMacInt32(param + csHorizontalPixels, x); |
573 |
> |
WriteMacInt32(param + csVerticalLines, y); |
574 |
> |
WriteMacInt32(param + csRefreshRate, 75 << 16); |
575 |
> |
WriteMacInt16(param + csMaxDepthMode, DepthToAppleMode(max_depth_of_resolution(id))); |
576 |
|
return noErr; |
577 |
+ |
} |
578 |
+ |
|
579 |
+ |
case cscGetVideoParameters: { // Get information about specified resolution/depth |
580 |
+ |
uint32 id = ReadMacInt32(param + csDisplayModeID); |
581 |
+ |
uint16 mode = ReadMacInt16(param + csDepthMode); |
582 |
+ |
D(bug(" GetVideoParameters %04x/%08x\n", mode, id)); |
583 |
+ |
|
584 |
+ |
vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
585 |
+ |
while (i != end) { |
586 |
+ |
if (DepthToAppleMode(i->depth) == mode && i->resolution_id == id) { |
587 |
+ |
uint32 vp = ReadMacInt32(param + csVPBlockPtr); |
588 |
+ |
WriteMacInt32(vp + vpBaseOffset, 0); |
589 |
+ |
WriteMacInt16(vp + vpRowBytes, i->bytes_per_row); |
590 |
+ |
WriteMacInt16(vp + vpBounds, 0); |
591 |
+ |
WriteMacInt16(vp + vpBounds + 2, 0); |
592 |
+ |
WriteMacInt16(vp + vpBounds + 4, i->y); |
593 |
+ |
WriteMacInt16(vp + vpBounds + 6, i->x); |
594 |
+ |
WriteMacInt16(vp + vpVersion, 0); |
595 |
+ |
WriteMacInt16(vp + vpPackType, 0); |
596 |
+ |
WriteMacInt32(vp + vpPackSize, 0); |
597 |
+ |
WriteMacInt32(vp + vpHRes, 0x00480000); // 72 dpi |
598 |
+ |
WriteMacInt32(vp + vpVRes, 0x00480000); |
599 |
+ |
uint32 pix_type, pix_size, cmp_count, cmp_size, dev_type; |
600 |
+ |
switch (i->depth) { |
601 |
+ |
case VDEPTH_1BIT: |
602 |
+ |
pix_type = 0; pix_size = 1; |
603 |
+ |
cmp_count = 1; cmp_size = 1; |
604 |
+ |
dev_type = 0; // CLUT |
605 |
+ |
break; |
606 |
+ |
case VDEPTH_2BIT: |
607 |
+ |
pix_type = 0; pix_size = 2; |
608 |
+ |
cmp_count = 1; cmp_size = 2; |
609 |
+ |
dev_type = 0; // CLUT |
610 |
+ |
break; |
611 |
+ |
case VDEPTH_4BIT: |
612 |
+ |
pix_type = 0; pix_size = 4; |
613 |
+ |
cmp_count = 1; cmp_size = 4; |
614 |
+ |
dev_type = 0; // CLUT |
615 |
+ |
break; |
616 |
+ |
case VDEPTH_8BIT: |
617 |
+ |
pix_type = 0; pix_size = 8; |
618 |
+ |
cmp_count = 1; cmp_size = 8; |
619 |
+ |
dev_type = 0; // CLUT |
620 |
+ |
break; |
621 |
+ |
case VDEPTH_16BIT: |
622 |
+ |
pix_type = 0x10; pix_size = 16; |
623 |
+ |
cmp_count = 3; cmp_size = 5; |
624 |
+ |
dev_type = 2; // direct |
625 |
+ |
break; |
626 |
+ |
case VDEPTH_32BIT: |
627 |
+ |
pix_type = 0x10; pix_size = 32; |
628 |
+ |
cmp_count = 3; cmp_size = 8; |
629 |
+ |
dev_type = 2; // direct |
630 |
+ |
break; |
631 |
+ |
} |
632 |
+ |
WriteMacInt16(vp + vpPixelType, pix_type); |
633 |
+ |
WriteMacInt16(vp + vpPixelSize, pix_size); |
634 |
+ |
WriteMacInt16(vp + vpCmpCount, cmp_count); |
635 |
+ |
WriteMacInt16(vp + vpCmpSize, cmp_size); |
636 |
+ |
WriteMacInt32(param + csPageCount, 1); |
637 |
+ |
WriteMacInt32(param + csDeviceType, dev_type); |
638 |
+ |
return noErr; |
639 |
+ |
} |
640 |
+ |
++i; |
641 |
+ |
} |
642 |
+ |
return paramErr; // specified resolution/depth not supported |
643 |
+ |
} |
644 |
|
|
645 |
|
default: |
646 |
|
printf("WARNING: Unknown VideoDriverStatus(%d)\n", code); |