SDL_DirectFB_modes.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 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_DIRECTFB
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_modes.h"
#define DFB_MAX_MODES 200
struct screen_callback_t
{
int numscreens;
DFBScreenID screenid[DFB_MAX_SCREENS];
DFBDisplayLayerID gralayer[DFB_MAX_SCREENS];
DFBDisplayLayerID vidlayer[DFB_MAX_SCREENS];
int aux; /* auxiliary integer for callbacks */
};
struct modes_callback_t
{
int nummodes;
SDL_DisplayMode *modelist;
};
static DFBEnumerationResult
EnumModesCallback(int width, int height, int bpp, void *data)
{
struct modes_callback_t *modedata = (struct modes_callback_t *) data;
SDL_DisplayMode mode;
mode.w = width;
mode.h = height;
mode.refresh_rate = 0;
mode.driverdata = NULL;
mode.format = SDL_PIXELFORMAT_UNKNOWN;
if (modedata->nummodes < DFB_MAX_MODES) {
modedata->modelist[modedata->nummodes++] = mode;
}
return DFENUM_OK;
}
static DFBEnumerationResult
EnumScreensCallback(DFBScreenID screen_id, DFBScreenDescription desc,
void *callbackdata)
{
struct screen_callback_t *devdata = (struct screen_callback_t *) callbackdata;
devdata->screenid[devdata->numscreens++] = screen_id;
return DFENUM_OK;
}
static DFBEnumerationResult
EnumLayersCallback(DFBDisplayLayerID layer_id, DFBDisplayLayerDescription desc,
void *callbackdata)
{
struct screen_callback_t *devdata = (struct screen_callback_t *) callbackdata;
if (desc.caps & DLCAPS_SURFACE) {
if ((desc.type & DLTF_GRAPHICS) && (desc.type & DLTF_VIDEO)) {
if (devdata->vidlayer[devdata->aux] == -1)
devdata->vidlayer[devdata->aux] = layer_id;
} else if (desc.type & DLTF_GRAPHICS) {
if (devdata->gralayer[devdata->aux] == -1)
devdata->gralayer[devdata->aux] = layer_id;
}
}
return DFENUM_OK;
}
static void
CheckSetDisplayMode(_THIS, SDL_VideoDisplay * display, DFB_DisplayData * data, SDL_DisplayMode * mode)
{
SDL_DFB_DEVICEDATA(_this);
DFBDisplayLayerConfig config;
DFBDisplayLayerConfigFlags failed;
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_ADMINISTRATIVE));
config.width = mode->w;
config.height = mode->h;
config.pixelformat = DirectFB_SDLToDFBPixelFormat(mode->format);
config.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
if (devdata->use_yuv_underlays) {
config.flags |= DLCONF_OPTIONS;
config.options = DLOP_ALPHACHANNEL;
}
failed = 0;
data->layer->TestConfiguration(data->layer, &config, &failed);
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_SHARED));
if (failed == 0)
{
SDL_AddDisplayMode(display, mode);
SDL_DFB_LOG("Mode %d x %d Added\n", mode->w, mode->h);
}
else
SDL_DFB_ERR("Mode %d x %d not available: %x\n", mode->w,
mode->h, failed);
return;
error:
return;
}
void
DirectFB_SetContext(_THIS, SDL_Window *window)
{
#if (DFB_VERSION_ATLEAST(1,0,0))
/* FIXME: does not work on 1.0/1.2 with radeon driver
* the approach did work with the matrox driver
* This has simply no effect.
*/
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
/* FIXME: should we handle the error */
if (dispdata->vidIDinuse)
SDL_DFB_CHECK(dispdata->vidlayer->SwitchContext(dispdata->vidlayer,
DFB_TRUE));
#endif
}
void
DirectFB_InitModes(_THIS)
{
SDL_DFB_DEVICEDATA(_this);
IDirectFBDisplayLayer *layer = NULL;
SDL_VideoDisplay display;
DFB_DisplayData *dispdata = NULL;
SDL_DisplayMode mode;
DFBGraphicsDeviceDescription caps;
DFBDisplayLayerConfig dlc;
struct screen_callback_t *screencbdata;
int tcw[DFB_MAX_SCREENS];
int tch[DFB_MAX_SCREENS];
int i;
DFBResult ret;
SDL_DFB_ALLOC_CLEAR(screencbdata, sizeof(*screencbdata));
screencbdata->numscreens = 0;
for (i = 0; i < DFB_MAX_SCREENS; i++) {
screencbdata->gralayer[i] = -1;
screencbdata->vidlayer[i] = -1;
}
SDL_DFB_CHECKERR(devdata->dfb->EnumScreens(devdata->dfb, &EnumScreensCallback,
screencbdata));
for (i = 0; i < screencbdata->numscreens; i++) {
IDirectFBScreen *screen;
SDL_DFB_CHECKERR(devdata->dfb->GetScreen(devdata->dfb,
screencbdata->screenid
[i], &screen));
screencbdata->aux = i;
SDL_DFB_CHECKERR(screen->EnumDisplayLayers(screen, &EnumLayersCallback,
screencbdata));
screen->GetSize(screen, &tcw[i], &tch[i]);
screen->Release(screen);
}
/* Query card capabilities */
devdata->dfb->GetDeviceDescription(devdata->dfb, &caps);
for (i = 0; i < screencbdata->numscreens; i++) {
SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
screencbdata->gralayer
[i], &layer));
SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer,
DLSCL_ADMINISTRATIVE));
layer->EnableCursor(layer, 1);
SDL_DFB_CHECKERR(layer->SetCursorOpacity(layer, 0xC0));
if (devdata->use_yuv_underlays) {
dlc.flags = DLCONF_PIXELFORMAT | DLCONF_OPTIONS;
dlc.pixelformat = DSPF_ARGB;
dlc.options = DLOP_ALPHACHANNEL;
ret = layer->SetConfiguration(layer, &dlc);
if (ret != DFB_OK) {
/* try AiRGB if the previous failed */
dlc.pixelformat = DSPF_AiRGB;
SDL_DFB_CHECKERR(layer->SetConfiguration(layer, &dlc));
}
}
/* Query layer configuration to determine the current mode and pixelformat */
dlc.flags = DLCONF_ALL;
SDL_DFB_CHECKERR(layer->GetConfiguration(layer, &dlc));
mode.format = DirectFB_DFBToSDLPixelFormat(dlc.pixelformat);
if (mode.format == SDL_PIXELFORMAT_UNKNOWN) {
SDL_DFB_ERR("Unknown dfb pixelformat %x !\n", dlc.pixelformat);
goto error;
}
mode.w = dlc.width;
mode.h = dlc.height;
mode.refresh_rate = 0;
mode.driverdata = NULL;
SDL_DFB_ALLOC_CLEAR(dispdata, sizeof(*dispdata));
dispdata->layer = layer;
dispdata->pixelformat = dlc.pixelformat;
dispdata->cw = tcw[i];
dispdata->ch = tch[i];
/* YUV - Video layer */
dispdata->vidID = screencbdata->vidlayer[i];
dispdata->vidIDinuse = 0;
SDL_zero(display);
display.desktop_mode = mode;
display.current_mode = mode;
display.driverdata = dispdata;
#if (DFB_VERSION_ATLEAST(1,2,0))
dlc.flags =
DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_OPTIONS;
ret = layer->SetConfiguration(layer, &dlc);
#endif
SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer, DLSCL_SHARED));
SDL_AddVideoDisplay(&display);
}
SDL_DFB_FREE(screencbdata);
return;
error:
/* FIXME: Cleanup not complete, Free existing displays */
SDL_DFB_FREE(dispdata);
SDL_DFB_RELEASE(layer);
return;
}
void
DirectFB_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
{
SDL_DFB_DEVICEDATA(_this);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
SDL_DisplayMode mode;
struct modes_callback_t data;
int i;
data.nummodes = 0;
/* Enumerate the available fullscreen modes */
SDL_DFB_CALLOC(data.modelist, DFB_MAX_MODES, sizeof(SDL_DisplayMode));
SDL_DFB_CHECKERR(devdata->dfb->EnumVideoModes(devdata->dfb,
EnumModesCallback, &data));
for (i = 0; i < data.nummodes; ++i) {
mode = data.modelist[i];
mode.format = SDL_PIXELFORMAT_ARGB8888;
CheckSetDisplayMode(_this, display, dispdata, &mode);
mode.format = SDL_PIXELFORMAT_RGB888;
CheckSetDisplayMode(_this, display, dispdata, &mode);
mode.format = SDL_PIXELFORMAT_RGB24;
CheckSetDisplayMode(_this, display, dispdata, &mode);
mode.format = SDL_PIXELFORMAT_RGB565;
CheckSetDisplayMode(_this, display, dispdata, &mode);
mode.format = SDL_PIXELFORMAT_INDEX8;
CheckSetDisplayMode(_this, display, dispdata, &mode);
}
SDL_DFB_FREE(data.modelist);
error:
return;
}
int
DirectFB_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{
/*
* FIXME: video mode switch is currently broken for 1.2.0
*
*/
SDL_DFB_DEVICEDATA(_this);
DFB_DisplayData *data = (DFB_DisplayData *) display->driverdata;
DFBDisplayLayerConfig config, rconfig;
DFBDisplayLayerConfigFlags fail = 0;
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_ADMINISTRATIVE));
SDL_DFB_CHECKERR(data->layer->GetConfiguration(data->layer, &config));
config.flags = DLCONF_WIDTH | DLCONF_HEIGHT;
if (mode->format != SDL_PIXELFORMAT_UNKNOWN) {
config.flags |= DLCONF_PIXELFORMAT;
config.pixelformat = DirectFB_SDLToDFBPixelFormat(mode->format);
data->pixelformat = config.pixelformat;
}
config.width = mode->w;
config.height = mode->h;
if (devdata->use_yuv_underlays) {
config.flags |= DLCONF_OPTIONS;
config.options = DLOP_ALPHACHANNEL;
}
data->layer->TestConfiguration(data->layer, &config, &fail);
if (fail &
(DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_OPTIONS)) {
SDL_DFB_ERR("Error setting mode %dx%d-%x\n", mode->w, mode->h,
mode->format);
return -1;
}
config.flags &= ~fail;
SDL_DFB_CHECKERR(data->layer->SetConfiguration(data->layer, &config));
#if (DFB_VERSION_ATLEAST(1,2,0))
/* Need to call this twice ! */
SDL_DFB_CHECKERR(data->layer->SetConfiguration(data->layer, &config));
#endif
/* Double check */
SDL_DFB_CHECKERR(data->layer->GetConfiguration(data->layer, &rconfig));
SDL_DFB_CHECKERR(data->
layer->SetCooperativeLevel(data->layer, DLSCL_SHARED));
if ((config.width != rconfig.width) || (config.height != rconfig.height)
|| ((mode->format != SDL_PIXELFORMAT_UNKNOWN)
&& (config.pixelformat != rconfig.pixelformat))) {
SDL_DFB_ERR("Error setting mode %dx%d-%x\n", mode->w, mode->h,
mode->format);
return -1;
}
data->pixelformat = rconfig.pixelformat;
data->cw = config.width;
data->ch = config.height;
display->current_mode = *mode;
return 0;
error:
return -1;
}
void
DirectFB_QuitModes(_THIS)
{
SDL_DisplayMode tmode;
int i;
for (i = 0; i < _this->num_displays; ++i) {
SDL_VideoDisplay *display = &_this->displays[i];
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
SDL_GetDesktopDisplayMode(i, &tmode);
tmode.format = SDL_PIXELFORMAT_UNKNOWN;
DirectFB_SetDisplayMode(_this, display, &tmode);
SDL_GetDesktopDisplayMode(i, &tmode);
DirectFB_SetDisplayMode(_this, display, &tmode);
if (dispdata->layer) {
SDL_DFB_CHECK(dispdata->
layer->SetCooperativeLevel(dispdata->layer,
DLSCL_ADMINISTRATIVE));
SDL_DFB_CHECK(dispdata->
layer->SetCursorOpacity(dispdata->layer, 0x00));
SDL_DFB_CHECK(dispdata->
layer->SetCooperativeLevel(dispdata->layer,
DLSCL_SHARED));
}
SDL_DFB_RELEASE(dispdata->layer);
SDL_DFB_RELEASE(dispdata->vidlayer);
}
}
#endif /* SDL_VIDEO_DRIVER_DIRECTFB */
/* vi: set ts=4 sw=4 expandtab: */
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
SDL_DFB_LOG
#define SDL_DFB_LOG(x...)
Definition: SDL_DirectFB_video.h:87
SDL_DisplayMode::format
Uint32 format
Definition: SDL_video.h:55
screen
SDL_Renderer * screen
Definition: testgamecontroller.c:64
DirectFB_GetDisplayModes
void DirectFB_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
SDL_PIXELFORMAT_RGB888
@ SDL_PIXELFORMAT_RGB888
Definition: SDL_pixels.h:236
NULL
#define NULL
Definition: begin_code.h:167
layer
GLenum GLuint GLint GLint layer
Definition: SDL_opengl_glext.h:1186
width
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
mode
GLenum mode
Definition: SDL_opengl_glext.h:1122
SDL_GetDisplayForWindow
SDL_VideoDisplay * SDL_GetDisplayForWindow(SDL_Window *window)
Definition: SDL_video.c:1089
SDL_GetDesktopDisplayMode
#define SDL_GetDesktopDisplayMode
Definition: SDL_dynapi_overrides.h:507
SDL_DFB_ERR
#define SDL_DFB_ERR(x...)
Definition: SDL_DirectFB_video.h:84
SDL_PIXELFORMAT_RGB565
@ SDL_PIXELFORMAT_RGB565
Definition: SDL_pixels.h:224
SDL_VideoDisplay::desktop_mode
SDL_DisplayMode desktop_mode
Definition: SDL_sysvideo.h:131
DirectFB_DFBToSDLPixelFormat
Uint32 DirectFB_DFBToSDLPixelFormat(DFBSurfacePixelFormat pixelformat)
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_DisplayMode
The structure that defines a display mode.
Definition: SDL_video.h:53
SDL_AddDisplayMode
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:751
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:118
SDL_VideoDevice::num_displays
int num_displays
Definition: SDL_sysvideo.h:315
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
config
EGLConfig config
Definition: eglext.h:433
SDL_DirectFB_modes.h
height
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1572
SDL_VideoDevice::displays
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:316
SDL_DFB_RELEASE
#define SDL_DFB_RELEASE(x)
Definition: SDL_DirectFB_video.h:78
DirectFB_SDLToDFBPixelFormat
DFBSurfacePixelFormat DirectFB_SDLToDFBPixelFormat(Uint32 format)
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_DFB_DEVICEDATA
#define SDL_DFB_DEVICEDATA(dev)
Definition: SDL_DirectFB_video.h:126
SDL_PIXELFORMAT_ARGB8888
@ SDL_PIXELFORMAT_ARGB8888
Definition: SDL_pixels.h:248
SDL_DFB_CHECK
#define SDL_DFB_CHECK(x...)
Definition: SDL_DirectFB_video.h:99
SDL_AddVideoDisplay
int SDL_AddVideoDisplay(const SDL_VideoDisplay *display)
Definition: SDL_video.c:603
SDL_VideoDisplay::driverdata
void * driverdata
Definition: SDL_sysvideo.h:139
DFB_MAX_SCREENS
#define DFB_MAX_SCREENS
Definition: SDL_DirectFB_video.h:128
SDL_DFB_ALLOC_CLEAR
#define SDL_DFB_ALLOC_CLEAR(r, s)
Definition: SDL_DirectFB_video.h:122
DirectFB_QuitModes
void DirectFB_QuitModes(_THIS)
SDL_DFB_FREE
#define SDL_DFB_FREE(x)
Definition: SDL_DirectFB_video.h:79
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
DirectFB_SetDisplayMode
int DirectFB_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
DirectFB_InitModes
void DirectFB_InitModes(_THIS)
SDL_PIXELFORMAT_RGB24
@ SDL_PIXELFORMAT_RGB24
Definition: SDL_pixels.h:230
SDL_PIXELFORMAT_UNKNOWN
@ SDL_PIXELFORMAT_UNKNOWN
Definition: SDL_pixels.h:173
SDL_DFB_CALLOC
#define SDL_DFB_CALLOC(r, n, s)
Definition: SDL_DirectFB_video.h:112
SDL_DFB_CHECKERR
#define SDL_DFB_CHECKERR(x...)
Definition: SDL_DirectFB_video.h:100
SDL_PIXELFORMAT_INDEX8
@ SDL_PIXELFORMAT_INDEX8
Definition: SDL_pixels.h:186
DirectFB_SetContext
void DirectFB_SetContext(_THIS, SDL_Window *window)
SDL_VideoDisplay::current_mode
SDL_DisplayMode current_mode
Definition: SDL_sysvideo.h:132
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_DirectFB_video.h