xf86-video-intel: 4 commits - configure.ac src/sna/compiler.h src/sna/gen3_render.c src/sna/kgem.c src/sna/Makefile.am src/sna/sna_composite.c

Chris Wilson ickle at kemper.freedesktop.org
Sun Dec 11 09:22:59 PST 2011


 configure.ac            |    2 ++
 src/sna/Makefile.am     |    1 +
 src/sna/compiler.h      |    2 +-
 src/sna/gen3_render.c   |    6 +++---
 src/sna/kgem.c          |   21 ++++++++++++++++++---
 src/sna/sna_composite.c |   31 +++++++++++++++++++++----------
 6 files changed, 46 insertions(+), 17 deletions(-)

New commits:
commit e9e6d6f7c8af300716c64b041f96c09d58b3eaa2
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Dec 11 17:25:46 2011 +0000

    sna/gen3: Move the video dst_bo to make the conditional clearer
    
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/gen3_render.c b/src/sna/gen3_render.c
index 0be78c8..89cd4bd 100644
--- a/src/sna/gen3_render.c
+++ b/src/sna/gen3_render.c
@@ -3409,9 +3409,11 @@ gen3_render_video(struct sna *sna,
 
 	DBG(("%s: %dx%d -> %dx%d\n", __FUNCTION__, src_w, src_h, drw_w, drw_h));
 
+	dst_bo = sna_pixmap_get_bo(pixmap);
+
 	if (pixmap->drawable.width > 2048 ||
 	    pixmap->drawable.height > 2048 ||
-	    !gen3_check_pitch_3d(sna_pixmap_get_bo(pixmap))) {
+	    !gen3_check_pitch_3d(dst_bo)) {
 		int bpp = pixmap->drawable.bitsPerPixel;
 
 		dst_bo = kgem_create_2d(&sna->kgem,
@@ -3427,8 +3429,6 @@ gen3_render_video(struct sna *sna,
 		pix_yoff = -dyo;
 		copy = 1;
 	} else {
-		dst_bo = sna_pixmap_get_bo(pixmap);
-
 		width = pixmap->drawable.width;
 		height = pixmap->drawable.height;
 
commit 118ef0781c5064aa0696af59a5dac67091b10046
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Dec 11 16:56:53 2011 +0000

    sna/composite: Make the check for a no-op earlier and clearer
    
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/sna_composite.c b/src/sna/sna_composite.c
index 1d66a8d..3c04d32 100644
--- a/src/sna/sna_composite.c
+++ b/src/sna/sna_composite.c
@@ -49,6 +49,12 @@ region_is_singular(pixman_region16_t *region)
 	return region->data == NULL;
 }
 
+static inline bool
+region_is_empty(pixman_region16_t *region)
+{
+	return region->data && region->data->numRects == 0;
+}
+
 static inline pixman_bool_t
 clip_to_dst(pixman_region16_t *region,
 	    pixman_region16_t *clip,
@@ -84,7 +90,7 @@ clip_to_dst(pixman_region16_t *region,
 		}
 
 		return TRUE;
-	} else if (!pixman_region_not_empty(clip)) {
+	} else if (region_is_empty(clip)) {
 		return FALSE;
 	} else {
 		if (dx | dy)
@@ -94,7 +100,7 @@ clip_to_dst(pixman_region16_t *region,
 		if (dx | dy)
 			pixman_region_translate(region, dx, dy);
 
-		return pixman_region_not_empty(region);
+		return !region_is_empty(region);
 	}
 }
 
@@ -116,7 +122,7 @@ clip_to_src(RegionPtr region, PicturePtr p, int dx, int	 dy)
 				-(p->clipOrigin.x + dx),
 				-(p->clipOrigin.y + dy));
 
-	return result && pixman_region_not_empty(region);
+	return result && !region_is_empty(region);
 }
 
 Bool
@@ -231,7 +237,7 @@ sna_compute_composite_region(RegionPtr region,
 		     region->extents.x2, region->extents.y2));
 	}
 
-	return pixman_region_not_empty(region);
+	return !region_is_empty(region);
 }
 
 static void
@@ -405,6 +411,11 @@ sna_composite(CARD8 op,
 	     dst_x, dst_y, dst->pDrawable->x, dst->pDrawable->y,
 	     width, height));
 
+	if (region_is_empty(dst->pCompositeClip)) {
+		DBG(("%s: empty clip, skipping\n", __FUNCTION__));
+		return;
+	}
+
 	if (mask && sna_composite_mask_is_opaque(mask)) {
 		DBG(("%s: removing opaque %smask\n",
 		     __FUNCTION__,
@@ -594,6 +605,11 @@ sna_composite_rectangles(CARD8		 op,
 	if (!num_rects)
 		return;
 
+	if (region_is_empty(dst->pCompositeClip)) {
+		DBG(("%s: empty clip, skipping\n", __FUNCTION__));
+		return;
+	}
+
 	if (color->alpha <= 0x00ff) {
 		switch (op) {
 		case PictOpOver:
@@ -631,11 +647,6 @@ sna_composite_rectangles(CARD8		 op,
 	}
 	DBG(("%s: converted to op %d\n", __FUNCTION__, op));
 
-	if (!pixman_region_not_empty(dst->pCompositeClip)) {
-		DBG(("%s: empty clip, skipping\n", __FUNCTION__));
-		return;
-	}
-
 	if (!_pixman_region_init_clipped_rectangles(&region,
 						    num_rects, rects,
 						    dst->pDrawable->x, dst->pDrawable->y,
@@ -652,7 +663,7 @@ sna_composite_rectangles(CARD8		 op,
 	     RegionNumRects(&region)));
 
 	if (!pixman_region_intersect(&region, &region, dst->pCompositeClip) ||
-	    !pixman_region_not_empty(&region)) {
+	    region_is_empty(&region)) {
 		DBG(("%s: zero-intersection between rectangles and clip\n",
 		     __FUNCTION__));
 		pixman_region_fini(&region);
commit 2674ef864c93034d728ee11ee0b7ab96cd4cba57
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Dec 11 16:23:13 2011 +0000

    sna: Enable hooking up of valgrind during debugging
    
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/configure.ac b/configure.ac
index a675a93..6dbeb28 100644
--- a/configure.ac
+++ b/configure.ac
@@ -263,6 +263,8 @@ if test "x$DEBUG" != xno; then
 fi
 if test "x$DEBUG" = xfull; then
 	AC_DEFINE(HAS_DEBUG_FULL,1,[Enable all debugging])
+	PKG_CHECK_MODULES(VALGRIND, [valgrind],
+			  AC_DEFINE([HAVE_VALGRIND], 0, [Use valgind intrinsics to suppress false warings]),)
         CFLAGS="$CFLAGS -O0 -ggdb3"
 fi
 
diff --git a/src/sna/Makefile.am b/src/sna/Makefile.am
index 65e85bf..6043000 100644
--- a/src/sna/Makefile.am
+++ b/src/sna/Makefile.am
@@ -91,6 +91,7 @@ libsna_la_SOURCES += \
 endif
 
 if DEBUG
+AM_CFLAGS += @VALGRIND_CFLAGS@
 libsna_la_SOURCES += \
 	kgem_debug.c \
 	kgem_debug.h \
diff --git a/src/sna/compiler.h b/src/sna/compiler.h
index ad1313b..e84a681 100644
--- a/src/sna/compiler.h
+++ b/src/sna/compiler.h
@@ -40,7 +40,7 @@
 #define fastcall
 #endif
 
-#ifdef HAVE_VALGRIND_H
+#ifdef HAVE_VALGRIND
 #define VG(x) x
 #else
 #define VG(x)
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index d635b7c..7ff0904 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -39,6 +39,11 @@
 #include <errno.h>
 #include <fcntl.h>
 
+#ifdef HAVE_VALGRIND
+#include <valgrind.h>
+#include <memcheck.h>
+#endif
+
 static inline void list_move(struct list *list, struct list *head)
 {
 	__list_del(list->prev, list->next);
@@ -181,6 +186,7 @@ static int gem_read(int fd, uint32_t handle, const void *dst,
 		    int offset, int length)
 {
 	struct drm_i915_gem_pread pread;
+	int ret;
 
 	DBG(("%s(handle=%d, len=%d)\n", __FUNCTION__,
 	     handle, length));
@@ -190,7 +196,12 @@ static int gem_read(int fd, uint32_t handle, const void *dst,
 	pread.offset = offset;
 	pread.size = length;
 	pread.data_ptr = (uintptr_t)dst;
-	return drmIoctl(fd, DRM_IOCTL_I915_GEM_PREAD, &pread);
+	ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_PREAD, &pread);
+	if (ret)
+		return ret;
+
+	VG(VALGRIND_MAKE_MEM_DEFINED(dst, length));
+	return 0;
 }
 
 static bool
commit c83fd4e24de187700bc125037cd9ae311514213e
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Dec 11 16:14:38 2011 +0000

    sna: Add some more debug messages for VMA caching
    
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index f7c4ca3..d635b7c 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -607,6 +607,8 @@ static void kgem_bo_free(struct kgem *kgem, struct kgem_bo *bo)
 	}
 
 	if (bo->map) {
+		DBG(("%s: releasing vma for handle=%d, count=%d\n",
+		     __FUNCTION__, bo->handle, kgem->vma_count-1));
 		munmap(bo->map, bo->size);
 		list_del(&bo->vma);
 		kgem->vma_count--;
@@ -1871,8 +1873,8 @@ void *kgem_bo_map(struct kgem *kgem, struct kgem_bo *bo, int prot)
 		bo->map = ptr;
 		kgem->vma_count++;
 
-		DBG(("%s: caching vma for %d\n",
-		     __FUNCTION__, bo->handle));
+		DBG(("%s: caching vma for %d, count=%d\n",
+		     __FUNCTION__, bo->handle, kgem->vma_count));
 	}
 
 	if (bo->needs_flush | bo->gpu) {
@@ -1896,6 +1898,8 @@ void *kgem_bo_map(struct kgem *kgem, struct kgem_bo *bo, int prot)
 
 void kgem_bo_unmap(struct kgem *kgem, struct kgem_bo *bo)
 {
+	DBG(("%s: (debug) releasing vma for handle=%d, count=%d\n",
+	     __FUNCTION__, bo->handle, kgem->vma_count-1));
 	assert(bo->map);
 
 	munmap(bo->map, bo->size);


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