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authorJakob Bornecrantz <jakob@vmware.com>2011-11-28 13:19:13 +0100
committerDave Airlie <airlied@redhat.com>2011-12-19 14:06:03 +0000
commit203dc2201326fa64411158c84ab0745546300310 (patch)
tree3ddb3946c3cbf7ed01aa7f9f0e2d37a66ef4cd7f /drivers/gpu
parente7ac9211f29f2fc2e7d11586a33267d2a26d3f2f (diff)
vmwgfx: Do better culling of presents
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c37
1 files changed, 25 insertions, 12 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index ac24cfd431b5..d31ae338cfc1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1098,6 +1098,7 @@ int vmw_kms_present(struct vmw_private *dev_priv,
size_t fifo_size;
int i, k, num_units;
int ret = 0; /* silence warning */
+ int left, right, top, bottom;
struct {
SVGA3dCmdHeader header;
@@ -1122,30 +1123,42 @@ int vmw_kms_present(struct vmw_private *dev_priv,
return -ENOMEM;
}
+ left = clips->x;
+ right = clips->x + clips->w;
+ top = clips->y;
+ bottom = clips->y + clips->h;
+
+ for (i = 1; i < num_clips; i++) {
+ left = min_t(int, left, (int)clips[i].x);
+ right = max_t(int, right, (int)clips[i].x + clips[i].w);
+ top = min_t(int, top, (int)clips[i].y);
+ bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
+ }
+
/* only need to do this once */
memset(cmd, 0, fifo_size);
cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
- cmd->body.srcRect.left = 0;
- cmd->body.srcRect.right = surface->sizes[0].width;
- cmd->body.srcRect.top = 0;
- cmd->body.srcRect.bottom = surface->sizes[0].height;
+ cmd->body.srcRect.left = left;
+ cmd->body.srcRect.right = right;
+ cmd->body.srcRect.top = top;
+ cmd->body.srcRect.bottom = bottom;
blits = (SVGASignedRect *)&cmd[1];
for (i = 0; i < num_clips; i++) {
- blits[i].left = clips[i].x;
- blits[i].right = clips[i].x + clips[i].w;
- blits[i].top = clips[i].y;
- blits[i].bottom = clips[i].y + clips[i].h;
+ blits[i].left = clips[i].x - left;
+ blits[i].right = clips[i].x + clips[i].w - left;
+ blits[i].top = clips[i].y - top;
+ blits[i].bottom = clips[i].y + clips[i].h - top;
}
for (k = 0; k < num_units; k++) {
struct vmw_display_unit *unit = units[k];
- int clip_x1 = destX - unit->crtc.x;
- int clip_y1 = destY - unit->crtc.y;
- int clip_x2 = clip_x1 + surface->sizes[0].width;
- int clip_y2 = clip_y1 + surface->sizes[0].height;
+ int clip_x1 = left + destX - unit->crtc.x;
+ int clip_y1 = top + destY - unit->crtc.y;
+ int clip_x2 = right + destX - unit->crtc.x;
+ int clip_y2 = bottom + destY - unit->crtc.y;
/* skip any crtcs that misses the clip region */
if (clip_x1 >= unit->crtc.mode.hdisplay ||