Attachment 21373 Details for Bug 18937 – clear video buffer

[patch] clear video buffer

i830-clear-video-buf.patch (text/plain), 988 bytes, created by Wang Zhenyu on 2008-12-21 19:37:32 UTC

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Creator: Wang Zhenyu

Created: 2008-12-21 19:37:32 UTC

Size: 988 bytes

patch

obsolete

>diff --git a/src/i830_video.c b/src/i830_video.c
>index 87fa020..ff80cb6 100644
>--- a/src/i830_video.c
>+++ b/src/i830_video.c
>@@ -2188,6 +2188,19 @@ i830_fill_colorkey (ScreenPtr pScreen, uint32_t key, RegionPtr clipboxes)
>    FreeScratchGC (gc);
> }
> 
>+static void
>+i830_clear_video_buf(ScrnInfoPtr pScrn, i830_memory *buf)
>+{
>+    I830Ptr pI830 = I830PTR(pScrn);
>+
>+    if (pI830->memory_manager) {
>+	drm_intel_bo_map(buf->bo, TRUE);
>+	memset(buf->bo->virtual, 0, buf->size);
>+	drm_intel_bo_unmap(buf->bo);
>+    } else
>+	memset(pI830->FbBase + buf->offset, 0, buf->size);
>+}
>+
> /*
>  * The source rectangle of the video is defined by (src_x, src_y, src_w, src_h).
>  * The dest rectangle of the video is defined by (drw_x, drw_y, drw_w, drw_h).
>@@ -2396,6 +2409,8 @@ I830PutImage(ScrnInfoPtr pScrn,
>     if (pPriv->buf == NULL)
> 	return BadAlloc;
> 
>+    i830_clear_video_buf(pScrn, pPriv->buf);
>+
>     /* fixup pointers */
> #ifdef INTEL_XVMC
>     if (id == FOURCC_XVMC && IS_I915(pI830)) {

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Attachments on bug 18937: 20878 | 20883 | 21278 | 21329 | 21373 | 21995

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