[Spice-devel] [PATCH v3 4/6] qxl-wddm-dod: Dedicated procedure for bitmap creation

Frediano Ziglio fziglio at redhat.com
Mon Apr 10 12:34:07 UTC 2017


> 
> Move bitmap creation to dedicated procedure. Currently it
> uses only forced allocations, as before. Later it will
> be used from different flows, forced and non-forced.
> 
> Signed-off-by: Yuri Benditovich <yuri.benditovich at daynix.com>

Acked

Frediano

> ---
>  qxldod/QxlDod.cpp | 140
>  ++++++++++++++++++++++++++++++------------------------
>  qxldod/QxlDod.h   |   1 +
>  2 files changed, 80 insertions(+), 61 deletions(-)
> 
> diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp
> index bae8268..353f3c7 100755
> --- a/qxldod/QxlDod.cpp
> +++ b/qxldod/QxlDod.cpp
> @@ -4416,6 +4416,72 @@ QXLDrawable *QxlDevice::PrepareCopyBits(const RECT&
> rect, const POINT& sourcePoi
>      return drawable;
>  }
>  
> +BOOLEAN QxlDevice::AttachNewBitmap(QXLDrawable *drawable, UINT8 *src, UINT8
> *src_end, INT pitch)
> +{
> +    PAGED_CODE();
> +    LONG width, height;
> +    size_t alloc_size;
> +    UINT32 line_size;
> +    Resource *image_res;
> +    InternalImage *internal;
> +    QXLDataChunk *chunk;
> +    PLIST_ENTRY pDelayedList = NULL;
> +    UINT8* dest, *dest_end;
> +
> +    height = drawable->u.copy.src_area.bottom;
> +    width = drawable->u.copy.src_area.right;
> +    line_size = width * 4;
> +
> +    alloc_size = BITMAP_ALLOC_BASE + BITS_BUF_MAX - BITS_BUF_MAX %
> line_size;
> +    alloc_size = MIN(BITMAP_ALLOC_BASE + height * line_size, alloc_size);
> +    image_res = (Resource*)AllocMem(MSPACE_TYPE_VRAM, alloc_size, TRUE);
> +
> +    if (image_res) {
> +        image_res->refs = 1;
> +        image_res->free = FreeBitmapImageEx;
> +        image_res->ptr = this;
> +
> +        internal = (InternalImage *)image_res->res;
> +        SetImageId(internal, FALSE, width, height, SPICE_BITMAP_FMT_32BIT,
> 0);
> +        internal->image.descriptor.flags = 0;
> +        internal->image.descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
> +
> +        chunk = (QXLDataChunk *)(&internal->image.bitmap + 1);
> +        chunk->data_size = 0;
> +        chunk->prev_chunk = 0;
> +        chunk->next_chunk = 0;
> +        internal->image.bitmap.data = PA(chunk, m_SurfaceMemSlot);
> +        internal->image.bitmap.flags = 0;
> +        internal->image.descriptor.width = internal->image.bitmap.x = width;
> +        internal->image.descriptor.height = internal->image.bitmap.y =
> height;
> +        internal->image.bitmap.format = SPICE_BITMAP_FMT_RGBA;
> +        internal->image.bitmap.stride = line_size;
> +        internal->image.bitmap.palette = 0;
> +
> +        dest = chunk->data;
> +        dest_end = (UINT8 *)image_res + alloc_size;
> +
> +        drawable->u.copy.src_bitmap = PA(&internal->image,
> m_SurfaceMemSlot);
> +
> +        DrawableAddRes(drawable, image_res);
> +        RELEASE_RES(image_res);
> +        alloc_size = height * line_size;
> +    } else {
> +        // can't allocate memory (forced), driver abort flow
> +        DbgPrint(TRACE_LEVEL_ERROR, ("Cannot get bitmap for drawable
> (stopping)\n"));
> +        return FALSE;
> +    }
> +
> +    for (; src != src_end; src -= pitch, alloc_size -= line_size) {
> +        BOOLEAN b = PutBytesAlign(&chunk, &dest, &dest_end, src, line_size,
> alloc_size, NULL);
> +        if (!b) {
> +            DbgPrint(TRACE_LEVEL_WARNING, ("%s: aborting copy of lines\n",
> __FUNCTION__));
> +            return FALSE;
> +        }
> +    }
> +    return TRUE;
> +}
> +
>  QXLDrawable *QxlDevice::PrepareBltBits (
>      BLT_INFO* pDst,
>      CONST BLT_INFO* pSrc,
> @@ -4425,11 +4491,6 @@ QXLDrawable *QxlDevice::PrepareBltBits (
>  {
>      PAGED_CODE();
>      QXLDrawable *drawable;
> -    Resource *image_res;
> -    InternalImage *internal;
> -    size_t alloc_size;
> -    QXLDataChunk *chunk;
> -    UINT32 line_size;
>      LONG width;
>      LONG height;
>  
> @@ -4455,72 +4516,29 @@ QXLDrawable *QxlDevice::PrepareBltBits (
>  
>      height = pRect->bottom - pRect->top;
>      width = pRect->right - pRect->left;
> -    line_size = width * 4;
>  
>      drawable->u.copy.src_area.bottom = height;
>      drawable->u.copy.src_area.left = 0;
>      drawable->u.copy.src_area.top = 0;
>      drawable->u.copy.src_area.right = width;
>  
> -    alloc_size = BITMAP_ALLOC_BASE + BITS_BUF_MAX - BITS_BUF_MAX %
> line_size;
> -    alloc_size = MIN(BITMAP_ALLOC_BASE + height * line_size, alloc_size);
> -    image_res = (Resource*)AllocMem(MSPACE_TYPE_VRAM, alloc_size, TRUE);
> -    if (!image_res) {
> -        ReleaseOutput(drawable->release_info.id);
> -        DbgPrint(TRACE_LEVEL_ERROR, ("Cannot allocate bitmap for
> drawable\n"));
> -        return NULL;
> -    }
> -
> -    image_res->refs = 1;
> -    image_res->free = FreeBitmapImageEx;
> -    image_res->ptr = this;
> +    CopyRect(&drawable->surfaces_rects[1], pRect);
>  
> -    internal = (InternalImage *)image_res->res;
> -    SetImageId(internal, FALSE, width, height, SPICE_BITMAP_FMT_32BIT, 0);
> -    internal->image.descriptor.flags = 0;
> -    internal->image.descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
> -    chunk = (QXLDataChunk *)(&internal->image.bitmap + 1);
> -    chunk->data_size = 0;
> -    chunk->prev_chunk = 0;
> -    chunk->next_chunk = 0;
> -    internal->image.bitmap.data = PA(chunk, m_SurfaceMemSlot);
> -    internal->image.bitmap.flags = 0;
> -    internal->image.descriptor.width = internal->image.bitmap.x = width;
> -    internal->image.descriptor.height = internal->image.bitmap.y = height;
> -    internal->image.bitmap.format = SPICE_BITMAP_FMT_RGBA;
> -    internal->image.bitmap.stride = line_size;
> -
> -    UINT8* src = (UINT8*)pSrc->pBits+
> -                                (pSourcePoint->y) * pSrc->Pitch +
> -                                (pSourcePoint->x * 4);
> +    UINT8* src = (UINT8*)pSrc->pBits +
> +        (pSourcePoint->y) * pSrc->Pitch +
> +        (pSourcePoint->x * 4);
>      UINT8* src_end = src - pSrc->Pitch;
>      src += pSrc->Pitch * (height - 1);
> -    UINT8* dest = chunk->data;
> -    UINT8* dest_end = (UINT8 *)image_res + alloc_size;
> -    alloc_size = height * line_size;
> -
> -    for (; src != src_end; src -= pSrc->Pitch, alloc_size -= line_size) {
> -        if (!PutBytesAlign(&chunk, &dest, &dest_end, src,
> -            line_size, alloc_size, NULL)) {
> -            // not reachable when forced allocation used
> -            ReleaseOutput(drawable->release_info.id);
> -            DbgPrint(TRACE_LEVEL_ERROR, ("Cannot allocate additional bitmap
> for drawable\n"));
> -            return NULL;
> -        }
> -    }
> -
> -    internal->image.bitmap.palette = 0;
> -
> -    drawable->u.copy.src_bitmap = PA(&internal->image, m_SurfaceMemSlot);
>  
> -    CopyRect(&drawable->surfaces_rects[1], pRect);
> -    DrawableAddRes(drawable, image_res);
> -    RELEASE_RES(image_res);
> -
> -    DbgPrint(TRACE_LEVEL_INFORMATION, ("%s drawable= %p type = %d, effect =
> %d Dest right(%d) left(%d) top(%d) bottom(%d) src_bitmap= %p.\n",
> __FUNCTION__,
> -         drawable, drawable->type, drawable->effect,
> drawable->surfaces_rects[0].right, drawable->surfaces_rects[0].left,
> -         drawable->surfaces_rects[0].top,
> drawable->surfaces_rects[0].bottom,
> -         drawable->u.copy.src_bitmap));
> +    if (!AttachNewBitmap(drawable, src, src_end, (INT)pSrc->Pitch)) {
> +        ReleaseOutput(drawable->release_info.id);
> +        drawable = NULL;
> +    } else {
> +        DbgPrint(TRACE_LEVEL_INFORMATION, ("%s drawable= %p type = %d,
> effect = %d Dest right(%d) left(%d) top(%d) bottom(%d) src_bitmap= %p.\n",
> __FUNCTION__,
> +            drawable, drawable->type, drawable->effect,
> drawable->surfaces_rects[0].right, drawable->surfaces_rects[0].left,
> +            drawable->surfaces_rects[0].top,
> drawable->surfaces_rects[0].bottom,
> +            drawable->u.copy.src_bitmap));
> +    }
>  
>      DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
>  
> diff --git a/qxldod/QxlDod.h b/qxldod/QxlDod.h
> index e18afac..f4e632b 100755
> --- a/qxldod/QxlDod.h
> +++ b/qxldod/QxlDod.h
> @@ -608,6 +608,7 @@ private:
>      void PushCmd(void);
>      void WaitForCursorRing(void);
>      void PushCursor(void);
> +    BOOLEAN AttachNewBitmap(QXLDrawable *drawable, UINT8 *src, UINT8
> *src_end, INT pitch);
>      BOOLEAN PutBytesAlign(QXLDataChunk **chunk_ptr, UINT8 **now_ptr,
>                              UINT8 **end_ptr, UINT8 *src, int size,
>                              size_t alloc_size, PLIST_ENTRY pDelayed);


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