From 12905dfaf01088a00f4a0a78cffba03329e7b724 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sat, 26 May 2012 13:11:01 +0100 Subject: dix/xf86: initial offload slave tracking (v1.1) add the linked list and provider hooks. v1.1: add another assert in the add path. Reviewed-by: Keith Packard Reviewed-by: Adam Jackson Signed-off-by: Dave Airlie --- dix/dispatch.c | 19 +++++++++++++++++++ include/screenint.h | 6 ++++++ include/scrnintstr.h | 3 +++ randr/rrprovider.c | 7 +++++++ 4 files changed, 35 insertions(+) diff --git a/dix/dispatch.c b/dix/dispatch.c index bc803d78f..bcce22fdb 100644 --- a/dix/dispatch.c +++ b/dix/dispatch.c @@ -3745,6 +3745,7 @@ static int init_screen(ScreenPtr pScreen, int i, Bool gpu) xorg_list_init(&pScreen->pixmap_dirty_list); xorg_list_init(&pScreen->unattached_list); xorg_list_init(&pScreen->output_slave_list); + xorg_list_init(&pScreen->offload_slave_list); /* * This loop gets run once for every Screen that gets added, @@ -3927,3 +3928,21 @@ DetachOutputGPU(ScreenPtr slave) xorg_list_del(&slave->output_head); slave->current_master = NULL; } + +void +AttachOffloadGPU(ScreenPtr pScreen, ScreenPtr new) +{ + assert(new->isGPU); + assert(!new->current_master); + xorg_list_add(&new->offload_head, &pScreen->offload_slave_list); + new->current_master = pScreen; +} + +void +DetachOffloadGPU(ScreenPtr slave) +{ + assert(slave->isGPU); + xorg_list_del(&slave->offload_head); + slave->current_master = NULL; +} + diff --git a/include/screenint.h b/include/screenint.h index b992cc224..e36b4d8d4 100644 --- a/include/screenint.h +++ b/include/screenint.h @@ -82,6 +82,12 @@ AttachOutputGPU(ScreenPtr pScreen, ScreenPtr new); extern _X_EXPORT void DetachOutputGPU(ScreenPtr output); +extern _X_EXPORT void +AttachOffloadGPU(ScreenPtr pScreen, ScreenPtr new); + +extern _X_EXPORT void +DetachOffloadGPU(ScreenPtr slave); + typedef struct _ColormapRec *ColormapPtr; #endif /* SCREENINT_H */ diff --git a/include/scrnintstr.h b/include/scrnintstr.h index 5ef37ed9a..80601b9f2 100644 --- a/include/scrnintstr.h +++ b/include/scrnintstr.h @@ -507,6 +507,9 @@ typedef struct _Screen { StopPixmapTrackingProcPtr StopPixmapTracking; struct xorg_list pixmap_dirty_list; + struct xorg_list offload_slave_list; + struct xorg_list offload_head; + } ScreenRec; static inline RegionPtr diff --git a/randr/rrprovider.c b/randr/rrprovider.c index f35ca6a1d..8385d3f5f 100644 --- a/randr/rrprovider.c +++ b/randr/rrprovider.c @@ -76,6 +76,10 @@ ProcRRGetProviders (ClientPtr client) pScrPriv = rrGetScrPriv(iter); total_providers += pScrPriv->provider ? 1 : 0; } + xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head) { + pScrPriv = rrGetScrPriv(iter); + total_providers += pScrPriv->provider ? 1 : 0; + } xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head) { pScrPriv = rrGetScrPriv(iter); total_providers += pScrPriv->provider ? 1 : 0; @@ -112,6 +116,9 @@ ProcRRGetProviders (ClientPtr client) xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { ADD_PROVIDER(iter); } + xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head) { + ADD_PROVIDER(iter); + } xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head) { ADD_PROVIDER(iter); } -- cgit v1.2.3