static DFBResult
region_buffer_lock( CoreLayerRegion *region,
CoreSurface *surface,
CoreSurfaceBufferRole role )
{
DFBResult ret;
CoreSurfaceBuffer *buffer;
CoreSurfaceAllocation *allocation;
CoreLayerContext *context;
D_ASSERT( region != NULL );
D_MAGIC_ASSERT( surface, CoreSurface );
context = region->context;
D_MAGIC_ASSERT( context, CoreLayerContext );
/* First unlock any previously locked buffer. */
if (region->surface_lock.buffer) {
D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );
dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, ®ion->surface_lock );
}
if (dfb_surface_lock( surface ))
return DFB_FUSION;
buffer = dfb_surface_get_buffer( surface, role );
D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );
/* Lock the surface buffer. */
ret = dfb_surface_buffer_lock( buffer, CSAID_LAYER0 + context->layer_id, CSAF_READ, ®ion->surface_lock );
if (ret) {
D_DERROR( ret, "Core/LayerRegion: Could not lock region surface for SetRegion()!\n" );
dfb_surface_unlock( surface );
return ret;
}
allocation = region->surface_lock.allocation;
D_ASSERT( allocation != NULL );
/* If hardware has written or is writing... */
if (allocation->accessed[CSAID_GPU] & CSAF_WRITE) {
D_DEBUG_AT( Core_Layers, " -> Waiting for pending writes...\n" );
/* ...wait for the operation to finish. */
dfb_gfxcard_sync(); /* TODO: wait for serial instead */
allocation->accessed[CSAID_GPU] &= ~CSAF_WRITE;
}
/* surface is unlocked by caller */
return DFB_OK;
}
DFBResult
ICore_Real::WaitIdle(
)
{
D_DEBUG_AT( DirectFB_CoreDFB, "ICore_Real::%s()\n", __FUNCTION__ );
D_MAGIC_ASSERT( obj, CoreDFB );
return dfb_gfxcard_sync();
}
static DFBResult
region_buffer_lock( CoreLayerRegion *region,
CoreSurface *surface,
CoreSurfaceBufferRole role )
{
DFBResult ret;
CoreSurfaceAccessFlags flags;
CoreSurfaceBuffer *buffer;
CoreSurfaceAllocation *allocation;
/* First unlock any previously locked buffer. */
if (region->surface_lock.buffer) {
D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );
dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, ®ion->surface_lock );
}
/* Determine flags to use. */
if (surface->config.caps & DSCAPS_SYSTEMONLY)
flags = CSAF_CPU_READ;
else
flags = CSAF_GPU_READ;
if (dfb_surface_lock( surface ))
return DFB_FUSION;
buffer = dfb_surface_get_buffer( surface, role );
D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );
/* Lock the surface buffer. */
ret = dfb_surface_buffer_lock( buffer, flags, ®ion->surface_lock );
if (ret) {
D_DERROR( ret, "Core/LayerRegion: Could not lock region surface for SetRegion()!\n" );
dfb_surface_unlock( surface );
return ret;
}
allocation = region->surface_lock.allocation;
D_ASSERT( allocation != NULL );
/* If hardware has written or is writing... */
if (allocation->accessed & CSAF_GPU_WRITE) {
D_DEBUG_AT( Core_Layers, " -> Waiting for pending writes...\n" );
/* ...wait for the operation to finish. */
dfb_gfxcard_sync(); /* TODO: wait for serial instead */
allocation->accessed &= ~CSAF_GPU_WRITE;
}
return DFB_OK;
}
DFBResult dfb_surfacemanager_assure_system( SurfaceManager *manager,
SurfaceBuffer *buffer )
{
CoreSurface *surface = buffer->surface;
D_MAGIC_ASSERT( manager, SurfaceManager );
if (buffer->policy == CSP_VIDEOONLY) {
D_BUG( "surface_manager_assure_system() called on video only surface" );
return DFB_BUG;
}
if (buffer->system.health == CSH_STORED)
return DFB_OK;
else if (buffer->video.health == CSH_STORED) {
int i;
char *src = dfb_system_video_memory_virtual( buffer->video.offset );
char *dst = buffer->system.addr;
/* from video_access_by_software() in surface.c */
if (buffer->video.access & VAF_HARDWARE_WRITE) {
dfb_gfxcard_sync();
buffer->video.access &= ~VAF_HARDWARE_WRITE;
}
buffer->video.access |= VAF_SOFTWARE_READ;
for (i=0; i<surface->height; i++) {
direct_memcpy( dst, src, DFB_BYTES_PER_LINE(buffer->format, surface->width) );
src += buffer->video.pitch;
dst += buffer->system.pitch;
}
if (buffer->format == DSPF_YV12 || buffer->format == DSPF_I420) {
for (i=0; i<surface->height; i++) {
direct_memcpy( dst, src, DFB_BYTES_PER_LINE(buffer->format,
surface->width / 2) );
src += buffer->video.pitch / 2;
dst += buffer->system.pitch / 2;
}
}
else if (buffer->format == DSPF_NV12 || buffer->format == DSPF_NV21) {
for (i=0; i<surface->height/2; i++) {
direct_memcpy( dst, src, DFB_BYTES_PER_LINE(buffer->format,
surface->width) );
src += buffer->video.pitch;
dst += buffer->system.pitch;
}
}
else if (buffer->format == DSPF_NV16) {
for (i=0; i<surface->height; i++) {
direct_memcpy( dst, src, DFB_BYTES_PER_LINE(buffer->format,
surface->width) );
src += buffer->video.pitch;
dst += buffer->system.pitch;
}
}
buffer->system.health = CSH_STORED;
dfb_surface_notify_listeners( surface, CSNF_SYSTEM );
return DFB_OK;
}
D_BUG( "no valid surface instance" );
return DFB_BUG;
}
DFBResult dfb_surfacemanager_allocate( SurfaceManager *manager,
SurfaceBuffer *buffer )
{
int pitch;
int length;
Chunk *c;
Chunk *best_free = NULL;
Chunk *best_occupied = NULL;
CoreSurface *surface = buffer->surface;
D_MAGIC_ASSERT( manager, SurfaceManager );
if (!manager->length || manager->suspended)
return DFB_NOVIDEOMEMORY;
/* calculate the required length depending on limitations */
pitch = MAX( surface->width, surface->min_width );
if (pitch < manager->max_power_of_two_pixelpitch &&
surface->height < manager->max_power_of_two_height)
pitch = 1 << direct_log2( pitch );
if (manager->pixelpitch_align > 1) {
pitch += manager->pixelpitch_align - 1;
pitch -= pitch % manager->pixelpitch_align;
}
pitch = DFB_BYTES_PER_LINE( buffer->format, pitch );
if (pitch < manager->max_power_of_two_bytepitch &&
surface->height < manager->max_power_of_two_height)
pitch = 1 << direct_log2( pitch );
if (manager->bytepitch_align > 1) {
pitch += manager->bytepitch_align - 1;
pitch -= pitch % manager->bytepitch_align;
}
length = DFB_PLANE_MULTIPLY( buffer->format,
MAX( surface->height, surface->min_height ) * pitch );
if (manager->byteoffset_align > 1) {
length += manager->byteoffset_align - 1;
length -= length % manager->byteoffset_align;
}
/* Do a pre check before iterating through all chunks. */
if (length > manager->available - manager->heap_offset)
return DFB_NOVIDEOMEMORY;
buffer->video.pitch = pitch;
/* examine chunks */
c = manager->chunks;
while (c) {
if (c->length >= length) {
if (c->buffer) {
c->tolerations++;
if (c->tolerations > 0xff)
c->tolerations = 0xff;
if (!c->buffer->video.locked &&
c->buffer->policy <= buffer->policy &&
c->buffer->policy != CSP_VIDEOONLY &&
((buffer->policy > c->buffer->policy) ||
(c->tolerations > manager->min_toleration/8 + 2)))
{
/* found a nice place to chill */
if (!best_occupied ||
best_occupied->length > c->length ||
best_occupied->tolerations < c->tolerations)
/* first found or better one? */
best_occupied = c;
}
}
else {
/* found a nice place to chill */
if (!best_free || best_free->length > c->length)
/* first found or better one? */
best_free = c;
}
}
c = c->next;
}
/* if we found a place */
if (best_free) {
occupy_chunk( manager, best_free, buffer, length );
return DFB_OK;
}
if (best_occupied) {
CoreSurface *kicked = best_occupied->buffer->surface;
D_DEBUG_AT( Core_SM, "Kicking out buffer at %d (%d) with tolerations %d...\n",
best_occupied->offset,
best_occupied->length, best_occupied->tolerations );
dfb_surfacemanager_assure_system( manager, best_occupied->buffer );
best_occupied->buffer->video.health = CSH_INVALID;
dfb_surface_notify_listeners( kicked, CSNF_VIDEO );
best_occupied = free_chunk( manager, best_occupied );
dfb_gfxcard_sync();
occupy_chunk( manager, best_occupied, buffer, length );
return DFB_OK;
}
D_DEBUG_AT( Core_SM, "Couldn't allocate enough heap space for video memory surface!\n" );
/* no luck */
return DFB_NOVIDEOMEMORY;
}
static DFBResult
DisplaySurface( DFBX11 *x11,
X11LayerData *lds,
VdpPresentationQueue queue,
CoreSurfaceBufferLock *lock )
{
DirectResult ret;
DFBX11Shared *shared = x11->shared;
DFBX11CallPresentationQueueDisplay display;
display.presentation_queue = queue;
display.clip_width = 0;
display.clip_height = 0;
display.earliest_presentation_time = 0;
if (lock &&
lds->config.dest.x == 0 && lds->config.dest.y == 0 &&
lds->config.dest.w == shared->screen_size.w &&
lds->config.dest.h == shared->screen_size.h)
{
display.surface = (VdpOutputSurface) (unsigned long) lock->handle;
}
else {
CardState state;
DFBRectangle rect;
dfb_state_init( &state, x11->core );
state.destination = shared->vdp_core_surface;
state.source = lock ? lock->buffer->surface : NULL;
state.clip.x1 = 0;
state.clip.y1 = 0;
state.clip.x2 = shared->screen_size.w - 1;
state.clip.y2 = shared->screen_size.h - 1;
rect.x = 0;
rect.y = 0;
rect.w = shared->screen_size.w;
rect.h = shared->screen_size.h;
dfb_gfxcard_fillrectangles( &rect, 1, &state );
if (lock)
dfb_gfxcard_stretchblit( &lds->config.source, &lds->config.dest, &state );
dfb_gfxcard_sync();
state.destination = NULL;
state.source = NULL;
dfb_state_destroy( &state );
display.surface = shared->vdp_surface;
}
ret = fusion_call_execute2( &x11->shared->call, FCEF_ONEWAY,
X11_VDPAU_PRESENTATION_QUEUE_DISPLAY, &display, sizeof(display), NULL );
if (ret) {
D_DERROR( ret, "DirectFB/X11/VDPAU: fusion_call_execute2() failed!\n" );
return ret;
}
return DFB_OK;
}
DFBResult
dfb_layer_region_flip_update( CoreLayerRegion *region,
const DFBRegion *update,
DFBSurfaceFlipFlags flags )
{
DFBResult ret = DFB_OK;
DFBRegion rotated;
CoreLayer *layer;
CoreLayerContext *context;
CoreSurface *surface;
const DisplayLayerFuncs *funcs;
if (update)
D_DEBUG_AT( Core_Layers,
"dfb_layer_region_flip_update( %p, %p, 0x%08x ) <- [%d, %d - %dx%d]\n",
region, update, flags, DFB_RECTANGLE_VALS_FROM_REGION( update ) );
else
D_DEBUG_AT( Core_Layers,
"dfb_layer_region_flip_update( %p, %p, 0x%08x )\n", region, update, flags );
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
/* Lock the region. */
if (dfb_layer_region_lock( region ))
return DFB_FUSION;
D_ASSUME( region->surface != NULL );
/* Check for NULL surface. */
if (!region->surface) {
D_DEBUG_AT( Core_Layers, " -> No surface => no update!\n" );
dfb_layer_region_unlock( region );
return DFB_UNSUPPORTED;
}
context = region->context;
surface = region->surface;
layer = dfb_layer_at( context->layer_id );
D_ASSERT( layer->funcs != NULL );
funcs = layer->funcs;
/* Unfreeze region? */
if (D_FLAGS_IS_SET( region->state, CLRSF_FROZEN )) {
D_FLAGS_CLEAR( region->state, CLRSF_FROZEN );
if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
ret = set_region( region, ®ion->config, CLRCF_ALL, surface );
if (ret)
D_DERROR( ret, "Core/LayerRegion: set_region() in dfb_layer_region_flip_update() failed!\n" );
}
else if (D_FLAGS_ARE_SET( region->state, CLRSF_ENABLED | CLRSF_ACTIVE )) {
ret = realize_region( region );
if (ret)
D_DERROR( ret, "Core/LayerRegion: realize_region() in dfb_layer_region_flip_update() failed!\n" );
}
if (ret) {
dfb_layer_region_unlock( region );
return ret;
}
}
/* Depending on the buffer mode... */
switch (region->config.buffermode) {
case DLBM_TRIPLE:
case DLBM_BACKVIDEO:
/* Check if simply swapping the buffers is possible... */
if (!(flags & DSFLIP_BLIT) && !surface->rotation &&
(!update || (update->x1 == 0 &&
update->y1 == 0 &&
update->x2 == surface->config.size.w - 1 &&
update->y2 == surface->config.size.h - 1)))
{
D_DEBUG_AT( Core_Layers, " -> Going to swap buffers...\n" );
/* Use the driver's routine if the region is realized. */
if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
D_ASSUME( funcs->FlipRegion != NULL );
ret = region_buffer_lock( region, surface, CSBR_BACK );
if (ret) {
dfb_layer_region_unlock( region );
return ret;
}
D_DEBUG_AT( Core_Layers, " -> Flipping region using driver...\n" );
if (funcs->FlipRegion)
ret = funcs->FlipRegion( layer,
layer->driver_data,
layer->layer_data,
region->region_data,
surface, flags, ®ion->surface_lock );
dfb_surface_unlock( surface );
}
else {
D_DEBUG_AT( Core_Layers, " -> Flipping region not using driver...\n" );
/* Just do the hardware independent work. */
dfb_surface_lock( surface );
dfb_surface_flip( surface, false );
dfb_surface_unlock( surface );
}
break;
}
/* fall through */
case DLBM_BACKSYSTEM:
D_DEBUG_AT( Core_Layers, " -> Going to copy portion...\n" );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAITFORSYNC) {
D_DEBUG_AT( Core_Layers, " -> Waiting for VSync...\n" );
dfb_layer_wait_vsync( layer );
}
D_DEBUG_AT( Core_Layers, " -> Copying content from back to front buffer...\n" );
/* ...or copy updated contents from back to front buffer. */
dfb_back_to_front_copy_rotation( surface, update, surface->rotation );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAIT) {
D_DEBUG_AT( Core_Layers, " -> Waiting for VSync...\n" );
dfb_layer_wait_vsync( layer );
}
/* fall through */
case DLBM_FRONTONLY:
/* Tell the driver about the update if the region is realized. */
if (funcs->UpdateRegion && D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
if (surface) {
CoreSurfaceAllocation *allocation;
allocation = region->surface_lock.allocation;
D_ASSERT( allocation != NULL );
/* If hardware has written or is writing... */
if (allocation->accessed[CSAID_GPU] & CSAF_WRITE) {
D_DEBUG_AT( Core_Layers, " -> Waiting for pending writes...\n" );
/* ...wait for the operation to finish. */
if (!(flags & DSFLIP_PIPELINE))
dfb_gfxcard_sync(); /* TODO: wait for serial instead */
allocation->accessed[CSAID_GPU] &= ~CSAF_WRITE;
}
dfb_surface_lock( surface );
dfb_surface_allocation_update( allocation, CSAF_READ );
dfb_surface_unlock( surface );
}
D_DEBUG_AT( Core_Layers, " -> Notifying driver about updated content...\n" );
dfb_region_from_rotated( &rotated, update, &surface->config.size, surface->rotation );
ret = funcs->UpdateRegion( layer,
layer->driver_data,
layer->layer_data,
region->region_data,
surface, &rotated, ®ion->surface_lock );
}
break;
default:
D_BUG("unknown buffer mode");
ret = DFB_BUG;
}
D_DEBUG_AT( Core_Layers, " -> done.\n" );
/* Unlock the region. */
dfb_layer_region_unlock( region );
return ret;
}
static void
manage_interlocks( CoreSurfaceAllocation *allocation,
CoreSurfaceAccessorID accessor,
CoreSurfaceAccessFlags access )
{
int locks;
locks = dfb_surface_allocation_locks( allocation );
#if 1
/*
* Manage access interlocks.
*
* SOON FIXME: Clearing flags only when not locked yet. Otherwise nested GPU/CPU locks are a problem.
*/
/* Software read/write access... */
if (accessor == CSAID_CPU) {
/* If hardware has written or is writing... */
if (allocation->accessed[CSAID_GPU] & CSAF_WRITE) {
/* ...wait for the operation to finish. */
dfb_gfxcard_sync(); /* TODO: wait for serial instead */
/* Software read access after hardware write requires flush of the (bus) read cache. */
dfb_gfxcard_flush_read_cache();
if (!locks) {
/* ...clear hardware write access. */
allocation->accessed[CSAID_GPU] = (CoreSurfaceAccessFlags)(allocation->accessed[CSAID_GPU] & ~CSAF_WRITE);
/* ...clear hardware read access (to avoid syncing twice). */
allocation->accessed[CSAID_GPU] = (CoreSurfaceAccessFlags)(allocation->accessed[CSAID_GPU] & ~CSAF_READ);
}
}
/* Software write access... */
if (access & CSAF_WRITE) {
/* ...if hardware has (to) read... */
if (allocation->accessed[CSAID_GPU] & CSAF_READ) {
/* ...wait for the operation to finish. */
dfb_gfxcard_sync(); /* TODO: wait for serial instead */
/* ...clear hardware read access. */
if (!locks)
allocation->accessed[CSAID_GPU] = (CoreSurfaceAccessFlags)(allocation->accessed[CSAID_GPU] & ~CSAF_READ);
}
}
}
/* Hardware read access... */
if (accessor == CSAID_GPU && access & CSAF_READ) {
/* ...if software has written before... */
if (allocation->accessed[CSAID_CPU] & CSAF_WRITE) {
/* ...flush texture cache. */
dfb_gfxcard_flush_texture_cache();
/* ...clear software write access. */
if (!locks)
allocation->accessed[CSAID_CPU] = (CoreSurfaceAccessFlags)(allocation->accessed[CSAID_CPU] & ~CSAF_WRITE);
}
}
if (! D_FLAGS_ARE_SET( allocation->accessed[accessor], access )) {
/* FIXME: surface_enter */
}
#endif
/* Collect... */
allocation->accessed[accessor] = (CoreSurfaceAccessFlags)(allocation->accessed[accessor] | access);
}
