[Nouveau] [PATCH 2/3] nv50: initial bits for "shadowfb"
Maarten Maathuis
madman2003 at gmail.com
Thu Feb 12 14:56:31 PST 2009
- Fallbacks on the frontbuffer still need to be handled.
---
src/Makefile.am | 1 +
src/nouveau_exa.c | 7 +--
src/nv50_randr.c | 2 +-
src/nv50_shadow_damage.c | 164 ++++++++++++++++++++++++++++++++++++++++++++++
src/nv_driver.c | 46 ++++++++++++--
src/nv_proto.h | 3 +
src/nv_type.h | 3 +
7 files changed, 214 insertions(+), 12 deletions(-)
create mode 100644 src/nv50_shadow_damage.c
diff --git a/src/Makefile.am b/src/Makefile.am
index f2ba849..4294796 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -79,6 +79,7 @@ nouveau_drv_la_SOURCES = \
nv50_xv.c \
nv50_texture.h \
nv50reg.h \
+ nv50_shadow_damage.c \
nouveau_crtc.h \
nouveau_output.h \
nouveau_connector.h \
diff --git a/src/nouveau_exa.c b/src/nouveau_exa.c
index 3babfd7..c4cafb0 100644
--- a/src/nouveau_exa.c
+++ b/src/nouveau_exa.c
@@ -279,8 +279,7 @@ nouveau_exa_pixmap_is_tiled(PixmapPtr ppix)
ScrnInfoPtr pScrn = xf86Screens[ppix->drawable.pScreen->myNum];
NVPtr pNv = NVPTR(pScrn);
- if (pNv->Architecture < NV_ARCH_50 ||
- exaGetPixmapOffset(ppix) < pNv->EXADriverPtr->offScreenBase)
+ if (pNv->Architecture < NV_ARCH_50)
return false;
return true;
@@ -437,10 +436,6 @@ nouveau_exa_init(ScreenPtr pScreen)
exa->memorySize = pNv->FB->size;
if (pNv->Architecture >= NV_ARCH_50) {
- nouveau_bo_tile(pNv->FB, NOUVEAU_BO_VRAM | NOUVEAU_BO_TILED,
- exa->offScreenBase,
- exa->memorySize - exa->offScreenBase);
-
exa->maxX = 8192;
exa->maxY = 8192;
} else
diff --git a/src/nv50_randr.c b/src/nv50_randr.c
index f1cca0c..fcf5d7f 100644
--- a/src/nv50_randr.c
+++ b/src/nv50_randr.c
@@ -99,7 +99,7 @@ nv50_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjuste
nv_crtc->crtc->SetFB(nv_crtc->crtc, nv_crtc->shadow);
nv_crtc->crtc->SetFBOffset(nv_crtc->crtc, 0, 0);
} else {
- nv_crtc->crtc->SetFB(nv_crtc->crtc, pNv->FB);
+ nv_crtc->crtc->SetFB(nv_crtc->crtc, pNv->scanout);
nv_crtc->crtc->SetFBOffset(nv_crtc->crtc, x, y);
}
nv_crtc->crtc->ModeSet(nv_crtc->crtc, mode);
diff --git a/src/nv50_shadow_damage.c b/src/nv50_shadow_damage.c
new file mode 100644
index 0000000..9d1a8cb
--- /dev/null
+++ b/src/nv50_shadow_damage.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2009 Maarten Maathuis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * This file serves to process all damage to the frontbuffer pixmap.
+ * This is needed until we can/have:
+ * - Tiled frontbufffer support.
+ * - Working wfb support.
+ * - Widespread wfb exa support.
+ */
+
+#include "nv_include.h"
+
+/* When driver allocated pixmaps are used we can easily fold this back into exa code. */
+static void nv50_shadow_damage_blit(PixmapPtr ppix, RegionPtr pRegion)
+{
+ ScrnInfoPtr pScrn = xf86Screens[ppix->drawable.pScreen->myNum];
+ NVPtr pNv = NVPTR(pScrn);
+ struct nouveau_channel *chan = pNv->chan;
+ struct nouveau_grobj *eng2d = pNv->Nv2D;
+ uint32_t fmt;
+ BoxPtr pbox;
+ int nbox;
+
+ pbox = REGION_RECTS(pRegion);
+ nbox = REGION_NUM_RECTS(pRegion);
+ if (!nbox)
+ return;
+
+ /* flush_notify is not needed, we check for all the ring space in advance. */
+ WAIT_RING (chan, 26 + nbox * 13);
+
+ switch (ppix->drawable.depth) {
+ case 8 : fmt = NV50_2D_SRC_FORMAT_8BPP; break;
+ case 15: fmt = NV50_2D_SRC_FORMAT_15BPP; break;
+ case 16: fmt = NV50_2D_SRC_FORMAT_16BPP; break;
+ case 24: fmt = NV50_2D_SRC_FORMAT_24BPP; break;
+ case 32: fmt = NV50_2D_SRC_FORMAT_32BPP; break;
+ default:
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Unknown surface format for bpp=%d\n",
+ ppix->drawable.depth);
+ return;
+ }
+
+ /* tiled source */
+ BEGIN_RING(chan, eng2d, NV50_2D_SRC_FORMAT, 5);
+ OUT_RING (chan, fmt);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+
+ BEGIN_RING(chan, eng2d, NV50_2D_SRC_WIDTH, 4);
+ OUT_RING (chan, ppix->drawable.width);
+ OUT_RING (chan, ppix->drawable.height);
+ OUT_PIXMAPh(chan, ppix, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+ OUT_PIXMAPl(chan, ppix, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+
+ /* untiled destination */
+ BEGIN_RING(chan, eng2d, NV50_2D_DST_FORMAT, 2);
+ OUT_RING (chan, fmt);
+ OUT_RING (chan, 1);
+ BEGIN_RING(chan, eng2d, NV50_2D_DST_PITCH, 5);
+ OUT_RING (chan, NOUVEAU_ALIGN(pScrn->virtualX, 64) *
+ (pScrn->bitsPerPixel >> 3));
+ OUT_RING (chan, ppix->drawable.width);
+ OUT_RING (chan, ppix->drawable.height);
+ OUT_RELOCh(chan, pNv->scanout, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+ OUT_RELOCl(chan, pNv->scanout, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+
+ BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, ppix->drawable.width);
+ OUT_RING (chan, ppix->drawable.height);
+ BEGIN_RING(chan, eng2d, NV50_2D_OPERATION, 1);
+ OUT_RING (chan, NV50_2D_OPERATION_SRCCOPY);
+
+ while (nbox--) {
+ BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 12);
+ OUT_RING (chan, pbox->x1);
+ OUT_RING (chan, pbox->y1);
+ OUT_RING (chan, pbox->x2 - pbox->x1);
+ OUT_RING (chan, pbox->y2 - pbox->y1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, pbox->x1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, pbox->y1);
+
+ pbox++;
+ }
+}
+
+static void nv50_shadow_damage_report(DamagePtr pDamage, RegionPtr pRegion, void *closure)
+{
+ PixmapPtr ppix = closure;
+
+ nv50_shadow_damage_blit(ppix, pRegion);
+}
+
+static void nv50_shadow_damage_destroy(DamagePtr pDamage, void *closure)
+{
+ PixmapPtr ppix = closure;
+ ScrnInfoPtr pScrn = xf86Screens[ppix->drawable.pScreen->myNum];
+ NVPtr pNv = NVPTR(pScrn);
+
+ pNv->screen_damage = NULL;
+}
+
+bool nv50_shadow_damage_create(ScrnInfoPtr pScrn)
+{
+ NVPtr pNv = NVPTR(pScrn);
+ ScreenPtr pScreen = pScrn->pScreen;
+ PixmapPtr ppix = NULL;
+
+ if (pNv->Architecture < NV_ARCH_50)
+ return false;
+
+ ppix = pScreen->GetScreenPixmap(pScreen);
+ if (!ppix) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "No screen pixmap.\n");
+ return false;
+ }
+
+ pNv->screen_damage = DamageCreate(nv50_shadow_damage_report, nv50_shadow_damage_destroy,
+ DamageReportRawRegion, true, pScreen, ppix);
+ if (!pNv->screen_damage) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "No screen damage\n");
+ return false;
+ }
+
+ /* We want the notification after submission. */
+ DamageSetReportAfterOp(pNv->screen_damage, true);
+
+ DamageRegister(&ppix->drawable, pNv->screen_damage);
+
+ return true;
+}
diff --git a/src/nv_driver.c b/src/nv_driver.c
index 3d6e9ea..c302412 100644
--- a/src/nv_driver.c
+++ b/src/nv_driver.c
@@ -1580,6 +1580,8 @@ NVMapMemSW(ScrnInfoPtr pScrn)
return FALSE;
pNv->GART = NULL;
+ nouveau_bo_ref(pNv->FB, &pNv->scanout);
+
ret = nouveau_bo_fake(&dev, Cursor0Offset,
NOUVEAU_BO_VRAM | NOUVEAU_BO_PIN,
64*1024, pNv->VRAMMap + Cursor0Offset,
@@ -1625,6 +1627,7 @@ NVMapMem(ScrnInfoPtr pScrn)
NVPtr pNv = NVPTR(pScrn);
int gart_scratch_size;
uint64_t res;
+ uint32_t flags;
if (pNv->NoAccel)
return NVMapMemSW(pScrn);
@@ -1636,15 +1639,39 @@ NVMapMem(ScrnInfoPtr pScrn)
nouveau_device_get_param(pNv->dev, NOUVEAU_GETPARAM_AGP_SIZE, &res);
pNv->AGPSize=res;
- if (nouveau_bo_new(pNv->dev, NOUVEAU_BO_VRAM | NOUVEAU_BO_PIN,
- 0, pNv->VRAMPhysicalSize / 2, &pNv->FB)) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to allocate memory for framebuffer!\n");
- return FALSE;
- }
+ flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_PIN;
+ if (pNv->Architecture >= NV_ARCH_50)
+ flags |= NOUVEAU_BO_TILED;
+
+ if (nouveau_bo_new(pNv->dev, flags, 0, pNv->VRAMPhysicalSize / 2,
+ &pNv->FB)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Failed to allocate memory for framebuffer!\n");
+ return FALSE;
+ }
+
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Allocated %dMiB VRAM for framebuffer + offscreen pixmaps, at offset 0x%X\n",
(uint32_t)(pNv->FB->size >> 20), (uint32_t) pNv->FB->offset);
+ /* Allocate linear scanout. */
+ if (pNv->Architecture >= NV_ARCH_50) {
+ unsigned scanout_size;
+
+ scanout_size = NOUVEAU_ALIGN(pScrn->virtualX, 64);
+ scanout_size *= (pScrn->bitsPerPixel >> 3);
+ scanout_size *= pScrn->virtualY;
+
+ if (nouveau_bo_new(pNv->dev, NOUVEAU_BO_VRAM | NOUVEAU_BO_PIN,
+ 0, scanout_size, &pNv->scanout)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Failed to allocate scanout buffer\n");
+ return FALSE;
+ }
+ } else {
+ nouveau_bo_ref(pNv->FB, &pNv->scanout);
+ }
+
if (pNv->AGPSize) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"AGPGART: %dMiB available\n",
@@ -1743,6 +1770,7 @@ NVUnmapMem(ScrnInfoPtr pScrn)
}
nouveau_bo_ref(NULL, &pNv->FB);
+ nouveau_bo_ref(NULL, &pNv->scanout);
nouveau_bo_ref(NULL, &pNv->GART);
nouveau_bo_ref(NULL, &pNv->Cursor);
nouveau_bo_ref(NULL, &pNv->Cursor2);
@@ -2268,6 +2296,14 @@ NVSaveScreen(ScreenPtr pScreen, int mode)
bool on = xf86IsUnblank(mode);
int i;
+ /* This might seem strange, but we need an entry point after CreateScreenResources.
+ * This happens to one of the few, if not the only place.
+ * When we move to driver allocated pixmaps, we can move this.
+ */
+ if (mode == SCREEN_SAVER_FORCER && pNv->Architecture == NV_ARCH_50 &&
+ !pNv->screen_damage && !nv50_shadow_damage_create(pScrn))
+ return FALSE;
+
if (!pNv->randr12_enable)
return vgaHWSaveScreen(pScreen, mode);
diff --git a/src/nv_proto.h b/src/nv_proto.h
index cc0d2cc..f39c294 100644
--- a/src/nv_proto.h
+++ b/src/nv_proto.h
@@ -276,6 +276,9 @@ void nv50_xv_video_stop(ScrnInfoPtr, pointer, Bool);
int nv50_xv_port_attribute_set(ScrnInfoPtr, Atom, INT32, pointer);
int nv50_xv_port_attribute_get(ScrnInfoPtr, Atom, INT32 *, pointer);
+/* nv50_shadow_damage.c */
+bool nv50_shadow_damage_create(ScrnInfoPtr pScrn);
+
/* To support EXA 2.0, 2.1 has this in the header */
#ifndef exaMoveInPixmap
extern void exaMoveInPixmap(PixmapPtr pPixmap);
diff --git a/src/nv_type.h b/src/nv_type.h
index 6da8561..cd9a45c 100644
--- a/src/nv_type.h
+++ b/src/nv_type.h
@@ -248,12 +248,15 @@ typedef struct _NVRec {
/* Various pinned memory regions */
struct nouveau_bo * FB;
+ struct nouveau_bo * scanout;
//struct nouveau_bo * FB_old; /* for KMS */
struct nouveau_bo * shadow[2]; /* for easy acces by exa */
struct nouveau_bo * Cursor;
struct nouveau_bo * Cursor2;
struct nouveau_bo * GART;
+ DamagePtr screen_damage; /* for NV50+ */
+
struct nouveau_bios VBIOS;
Bool NoAccel;
Bool HWCursor;
--
1.6.1.2
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