/* PVR2D Context handling */
static int wseglFetchContext(struct wl_egl_display *nativeDisplay)
{
int numDevs;
PVR2DDEVICEINFO *devs;
unsigned long devId;
if (nativeDisplay->context_refcnt > 0)
return 1;
numDevs = PVR2DEnumerateDevices(0);
if (numDevs <= 0)
return 0;
devs = (PVR2DDEVICEINFO *)malloc(sizeof(PVR2DDEVICEINFO) * numDevs);
if (!devs)
return 0;
if (PVR2DEnumerateDevices(devs) != PVR2D_OK)
{
free(devs);
return 0;
}
devId = devs[0].ulDevID;
free(devs);
if (PVR2DCreateDeviceContext(devId, &nativeDisplay->context, 0) != PVR2D_OK)
return 0;
nativeDisplay->context_refcnt++;
return 1;
}
static DFBResult
driver_init_driver(CoreGraphicsDevice *device,
GraphicsDeviceFuncs *funcs,
void *driver_data,
void *device_data,
CoreDFB *core)
{
PVR2DDriverData *drv = driver_data;
PVR2DERROR ePVR2DStatus;
D_DEBUG_AT(PVR2D__2D, "%s()\n", __FUNCTION__);
// initialize function pointers
funcs->EngineSync = pvr2dEngineSync;
funcs->EngineReset = pvr2dEngineReset;
funcs->EmitCommands = pvr2dEmitCommands;
funcs->CheckState = pvr2dCheckState;
funcs->SetState = pvr2dSetState;
funcs->FillRectangle = pvr2dFillRectangle;
funcs->DrawRectangle = pvr2dDrawRectangle;
funcs->DrawLine = pvr2dDrawLine;
funcs->FillTriangle = pvr2dFillTriangle;
funcs->Blit = pvr2dBlit;
funcs->StretchBlit = pvr2dStretchBlit;
// Choose accelerated font format
if (!dfb_config->software_only) {
dfb_config->font_format = DSPF_ARGB;
dfb_config->font_premult = true;
}
drv->nDevices = PVR2DEnumerateDevices(0);
if (drv->nDevices < 1) {
D_ERROR( "DirectFB/CarE1: PVR2DEnumerateDevices(0) returned %d!\n", drv->nDevices );
return DFB_INIT;
}
drv->pDevInfo = (PVR2DDEVICEINFO *) malloc(drv->nDevices * sizeof(PVR2DDEVICEINFO));
PVR2DEnumerateDevices(drv->pDevInfo);
drv->nDeviceNum = drv->pDevInfo[0].ulDevID;
ePVR2DStatus = PVR2DCreateDeviceContext (drv->nDeviceNum, &drv->hPVR2DContext, 0);
if (ePVR2DStatus) {
D_ERROR( "DirectFB/CarE1: PVR2DCreateDeviceContext() failed! (status %d)\n", ePVR2DStatus );
return DFB_INIT;
}
return DFB_OK;
}
static DFBResult
InitPVR2D( PVR2DData *pvr2d )
{
PVR2DERROR ePVR2DStatus;
PVR2DDataShared *shared = pvr2d->shared;
pvr2d->nDevices = PVR2DEnumerateDevices(0);
pvr2d->pDevInfo = (PVR2DDEVICEINFO *) malloc(pvr2d->nDevices * sizeof(PVR2DDEVICEINFO));
PVR2DEnumerateDevices(pvr2d->pDevInfo);
pvr2d->nDeviceNum = pvr2d->pDevInfo[0].ulDevID;
ePVR2DStatus = PVR2DCreateDeviceContext (pvr2d->nDeviceNum, &pvr2d->hPVR2DContext, 0);
if (ePVR2DStatus) {
D_ERROR( "DirectFB/PVR2D: PVR2DCreateDeviceContext() failed! (status %d)\n", ePVR2DStatus );
return DFB_INIT;
}
ePVR2DStatus = PVR2DGetFrameBuffer( pvr2d->hPVR2DContext, PVR2D_FB_PRIMARY_SURFACE, &pvr2d->pFBMemInfo);
if (ePVR2DStatus) {
D_ERROR( "DirectFB/PVR2D: PVR2DGetFrameBuffer() failed! (status %d)\n", ePVR2DStatus );
return DFB_INIT;
}
ePVR2DStatus = PVR2DGetScreenMode(pvr2d->hPVR2DContext, &pvr2d->eDisplayFormat, &pvr2d->lDisplayWidth, &pvr2d->lDisplayHeight, &pvr2d->lStride, &pvr2d->RefreshRate);
if (ePVR2DStatus) {
D_ERROR( "DirectFB/PVR2D: PVR2DGetScreenMode() failed! (status %d)\n", ePVR2DStatus );
return DFB_INIT;
}
D_INFO( "DirectFB/PVR2D: Display %ldx%ld, format %d, stride %ld, refresh %d\n",
pvr2d->lDisplayWidth, pvr2d->lDisplayHeight, pvr2d->eDisplayFormat, pvr2d->lStride, pvr2d->RefreshRate );
shared->screen_size.w = pvr2d->lDisplayWidth;
shared->screen_size.h = pvr2d->lDisplayHeight;
return DFB_OK;
}
/* Called when a new drawable is added to ensure that we have a
PVR2D context and framebuffer PVR2DMEMINFO blocks */
static int pvrQwsAddDrawable(void)
{
int numDevs, screen;
PVR2DDEVICEINFO *devs;
unsigned long devId;
unsigned long pageAddresses[2];
PVR2DMEMINFO *memInfo;
PVR2DDISPLAYINFO displayInfo;
/* Bail out early if this is not the first drawable */
if (pvrQwsDisplay.numDrawables > 0) {
++(pvrQwsDisplay.numDrawables);
return 1;
}
/* Find the first PVR2D device in the system and open it */
numDevs = PVR2DEnumerateDevices(0);
if (numDevs <= 0)
return 0;
devs = (PVR2DDEVICEINFO *)malloc(sizeof(PVR2DDEVICEINFO) * numDevs);
if (!devs)
return 0;
if (PVR2DEnumerateDevices(devs) != PVR2D_OK) {
free(devs);
return 0;
}
devId = devs[0].ulDevID;
free(devs);
if (PVR2DCreateDeviceContext(devId, &pvrQwsDisplay.context, 0) != PVR2D_OK)
return 0;
pvrQwsDisplay.numFlipBuffers = 0;
pvrQwsDisplay.flipChain = 0;
if (PVR2DGetDeviceInfo(pvrQwsDisplay.context, &displayInfo) == PVR2D_OK) {
if (displayInfo.ulMaxFlipChains > 0 && displayInfo.ulMaxBuffersInChain > 0)
pvrQwsDisplay.numFlipBuffers = displayInfo.ulMaxBuffersInChain;
if (pvrQwsDisplay.numFlipBuffers > PVRQWS_MAX_FLIP_BUFFERS)
pvrQwsDisplay.numFlipBuffers = PVRQWS_MAX_FLIP_BUFFERS;
}
/* Create the PVR2DMEMINFO blocks for the active framebuffers */
for (screen = 0; screen < PVRQWS_MAX_SCREENS; ++screen) {
if (screen != 0 && pvrQwsDisplay.screens[screen].mapped) {
pageAddresses[0]
= pvrQwsDisplay.screens[screen].screenStart & 0xFFFFF000;
pageAddresses[1] = 0;
if (PVR2DMemWrap
(pvrQwsDisplay.context,
pvrQwsDisplay.screens[screen].mapped,
PVR2D_WRAPFLAG_CONTIGUOUS,
pvrQwsDisplay.screens[screen].mappedLength,
pageAddresses, &memInfo) != PVR2D_OK) {
PVR2DDestroyDeviceContext(pvrQwsDisplay.context);
pvrQwsDisplay.context = 0;
return 0;
}
pvrQwsDisplay.screens[screen].frameBuffer = memInfo;
} else if (screen == 0) {
if (PVR2DGetFrameBuffer
(pvrQwsDisplay.context,
PVR2D_FB_PRIMARY_SURFACE, &memInfo) != PVR2D_OK) {
fprintf(stderr, "QWSWSEGL: could not get the primary framebuffer surface\n");
PVR2DDestroyDeviceContext(pvrQwsDisplay.context);
pvrQwsDisplay.context = 0;
return 0;
}
pvrQwsDisplay.screens[screen].frameBuffer = memInfo;
pvrQwsDisplay.screens[screen].mapped = memInfo->pBase;
}
}
/* Create a flip chain for the screen if supported by the hardware */
pvrQwsDisplay.usePresentBlit = 0;
if (pvrQwsDisplay.numFlipBuffers > 0) {
long stride = 0;
unsigned long flipId = 0;
unsigned long numBuffers;
if (PVR2DCreateFlipChain(pvrQwsDisplay.context, 0,
//PVR2D_CREATE_FLIPCHAIN_SHARED |
//PVR2D_CREATE_FLIPCHAIN_QUERY,
pvrQwsDisplay.numFlipBuffers,
pvrQwsDisplay.screens[0].screenRect.width,
pvrQwsDisplay.screens[0].screenRect.height,
pvrQwsDisplay.screens[0].pixelFormat,
&stride, &flipId, &(pvrQwsDisplay.flipChain))
== PVR2D_OK) {
pvrQwsDisplay.screens[0].screenStride = stride;
PVR2DGetFlipChainBuffers(pvrQwsDisplay.context,
pvrQwsDisplay.flipChain,
&numBuffers,
pvrQwsDisplay.flipBuffers);
} else {
pvrQwsDisplay.flipChain = 0;
pvrQwsDisplay.numFlipBuffers = 0;
}
/* PVR2DPresentBlt is a little more reliable than PVR2DBlt
when flip chains are present, even if we cannot create a
flip chain at the moment */
pvrQwsDisplay.usePresentBlit = 1;
}
/* The context is ready to go */
++(pvrQwsDisplay.numDrawables);
return 1;
}
