Branch
Hash :
eb0d214c
Author :
Date :
2023-03-29T21:28:21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_HAIKU
#include <AppKit.h>
#include <InterfaceKit.h>
#include "SDL_bmodes.h"
#include "SDL_BWin.h"
#if SDL_VIDEO_OPENGL
#include "SDL_bopengl.h"
#endif
#include "../../main/haiku/SDL_BApp.h"
#ifdef __cplusplus
extern "C" {
#endif
#define WRAP_BMODE 1 /* FIXME: Some debate as to whether this is necessary */
#if WRAP_BMODE
/* This wrapper is here so that the driverdata can be freed without freeing
the display_mode structure */
struct SDL_DisplayModeData {
display_mode *bmode;
};
#endif
static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) {
return (SDL_BWin *)(window->driverdata);
}
static SDL_INLINE SDL_BLooper *_GetBeLooper() {
return SDL_Looper;
}
static SDL_INLINE display_mode * _ExtractBMode(SDL_DisplayMode *mode) {
#if WRAP_BMODE
return ((SDL_DisplayModeData *)mode->driverdata)->bmode;
#else
return (display_mode *)(mode->driverdata);
#endif
}
/* Copied from haiku/trunk/src/preferences/screen/ScreenMode.cpp */
static float get_refresh_rate(display_mode &mode) {
return float(mode.timing.pixel_clock * 1000)
/ float(mode.timing.h_total * mode.timing.v_total);
}
#if 0
/* TODO:
* This is a useful debugging tool. Uncomment and insert into code as needed.
*/
void _SpoutModeData(display_mode *bmode) {
printf("BMode:\n");
printf("\tw,h = (%i,%i)\n", bmode->virtual_width, bmode->virtual_height);
printf("\th,v = (%i,%i)\n", bmode->h_display_start,
bmode->v_display_start);
if (bmode->flags) {
printf("\tFlags:\n");
if (bmode->flags & B_SCROLL) {
printf("\t\tB_SCROLL\n");
}
if (bmode->flags & B_8_BIT_DAC) {
printf("\t\tB_8_BIT_DAC\n");
}
if (bmode->flags & B_HARDWARE_CURSOR) {
printf("\t\tB_HARDWARE_CURSOR\n");
}
if (bmode->flags & B_PARALLEL_ACCESS) {
printf("\t\tB_PARALLEL_ACCESS\n");
}
if (bmode->flags & B_DPMS) {
printf("\t\tB_DPMS\n");
}
if (bmode->flags & B_IO_FB_NA) {
printf("\t\tB_IO_FB_NA\n");
}
}
printf("\tTiming:\n");
printf("\t\tpx clock: %i\n", bmode->timing.pixel_clock);
printf("\t\th - display: %i sync start: %i sync end: %i total: %i\n",
bmode->timing.h_display, bmode->timing.h_sync_start,
bmode->timing.h_sync_end, bmode->timing.h_total);
printf("\t\tv - display: %i sync start: %i sync end: %i total: %i\n",
bmode->timing.v_display, bmode->timing.v_sync_start,
bmode->timing.v_sync_end, bmode->timing.v_total);
if (bmode->timing.flags) {
printf("\t\tFlags:\n");
if (bmode->timing.flags & B_BLANK_PEDESTAL) {
printf("\t\t\tB_BLANK_PEDESTAL\n");
}
if (bmode->timing.flags & B_TIMING_INTERLACED) {
printf("\t\t\tB_TIMING_INTERLACED\n");
}
if (bmode->timing.flags & B_POSITIVE_HSYNC) {
printf("\t\t\tB_POSITIVE_HSYNC\n");
}
if (bmode->timing.flags & B_POSITIVE_VSYNC) {
printf("\t\t\tB_POSITIVE_VSYNC\n");
}
if (bmode->timing.flags & B_SYNC_ON_GREEN) {
printf("\t\t\tB_SYNC_ON_GREEN\n");
}
}
}
#endif
int32 HAIKU_ColorSpaceToSDLPxFormat(uint32 colorspace)
{
switch (colorspace) {
case B_CMAP8:
return SDL_PIXELFORMAT_INDEX8;
break;
case B_RGB15:
case B_RGBA15:
case B_RGB15_BIG:
case B_RGBA15_BIG:
return SDL_PIXELFORMAT_RGB555;
break;
case B_RGB16:
case B_RGB16_BIG:
return SDL_PIXELFORMAT_RGB565;
break;
case B_RGB24:
case B_RGB24_BIG:
return SDL_PIXELFORMAT_BGR24;
break;
case B_RGB32:
case B_RGBA32:
case B_RGB32_BIG:
case B_RGBA32_BIG:
return SDL_PIXELFORMAT_RGB888;
break;
}
/* May never get here, but safer and needed to shut up compiler */
SDL_SetError("Invalid color space");
return 0;
}
static void _BDisplayModeToSdlDisplayMode(display_mode *bmode,
SDL_DisplayMode *mode) {
mode->w = bmode->virtual_width;
mode->h = bmode->virtual_height;
mode->refresh_rate = (int)get_refresh_rate(*bmode);
#if WRAP_BMODE
SDL_DisplayModeData *data = (SDL_DisplayModeData*)SDL_calloc(1,
sizeof(SDL_DisplayModeData));
data->bmode = bmode;
mode->driverdata = data;
#else
mode->driverdata = bmode;
#endif
/* Set the format */
mode->format = HAIKU_ColorSpaceToSDLPxFormat(bmode->space);
}
/* Later, there may be more than one monitor available */
static void _AddDisplay(BScreen *screen) {
SDL_VideoDisplay display;
SDL_DisplayMode *mode = (SDL_DisplayMode*)SDL_calloc(1,
sizeof(SDL_DisplayMode));
display_mode *bmode = (display_mode*)SDL_calloc(1, sizeof(display_mode));
screen->GetMode(bmode);
_BDisplayModeToSdlDisplayMode(bmode, mode);
SDL_zero(display);
display.desktop_mode = *mode;
display.current_mode = *mode;
SDL_AddVideoDisplay(&display, SDL_FALSE);
}
/*
* Functions called by SDL
*/
int HAIKU_InitModes(_THIS) {
BScreen screen;
/* TODO: When Haiku supports multiple display screens, call
_AddDisplayScreen() for each of them. */
_AddDisplay(&screen);
return 0;
}
int HAIKU_QuitModes(_THIS) {
/* FIXME: Nothing really needs to be done here at the moment? */
return 0;
}
int HAIKU_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect) {
BScreen bscreen;
BRect rc = bscreen.Frame();
rect->x = (int)rc.left;
rect->y = (int)rc.top;
rect->w = (int)rc.Width() + 1;
rect->h = (int)rc.Height() + 1;
return 0;
}
void HAIKU_GetDisplayModes(_THIS, SDL_VideoDisplay *display) {
/* Get the current screen */
BScreen bscreen;
/* Iterate through all of the modes */
SDL_DisplayMode mode;
display_mode this_bmode;
display_mode *bmodes;
uint32 count, i;
/* Get graphics-hardware supported modes */
bscreen.GetModeList(&bmodes, &count);
bscreen.GetMode(&this_bmode);
for (i = 0; i < count; ++i) {
// FIXME: Apparently there are errors with colorspace changes
if (bmodes[i].space == this_bmode.space) {
_BDisplayModeToSdlDisplayMode(&bmodes[i], &mode);
SDL_AddDisplayMode(display, &mode);
}
}
free(bmodes); /* This should not be SDL_free() */
}
int HAIKU_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode) {
/* Get the current screen */
BScreen bscreen;
if (!bscreen.IsValid()) {
printf(__FILE__": %d - ERROR: BAD SCREEN\n", __LINE__);
}
/* Set the mode using the driver data */
display_mode *bmode = _ExtractBMode(mode);
/* FIXME: Is the first option always going to be the right one? */
uint32 c = 0, i;
display_mode *bmode_list;
bscreen.GetModeList(&bmode_list, &c);
for (i = 0; i < c; ++i) {
if ( bmode_list[i].space == bmode->space &&
bmode_list[i].virtual_width == bmode->virtual_width &&
bmode_list[i].virtual_height == bmode->virtual_height ) {
bmode = &bmode_list[i];
break;
}
}
if (bscreen.SetMode(bmode) != B_OK) {
return SDL_SetError("Bad video mode");
}
free(bmode_list); /* This should not be SDL_free() */
#if SDL_VIDEO_OPENGL
/* FIXME: Is there some way to reboot the OpenGL context? This doesn't
help */
// HAIKU_GL_RebootContexts(_this);
#endif
return 0;
}
#ifdef __cplusplus
}
#endif
#endif /* SDL_VIDEO_DRIVER_HAIKU */
/* vi: set ts=4 sw=4 expandtab: */