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glamor: Add helper functions to walk pixmap tiling

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This adds a few helper functions to make pixmap fbo access symmetrical
between the single fbo and tiled cases.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Keith Packard 2014-03-13 23:12:27 -07:00 committed by Eric Anholt
parent 209d004469
commit 0ca7223742
1 changed files with 46 additions and 0 deletions
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46
glamor/glamor_priv.h
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@ -471,6 +471,52 @@ typedef struct glamor_pixmap_private {
};
} glamor_pixmap_private;
static inline glamor_pixmap_fbo *
glamor_pixmap_fbo_at(glamor_pixmap_private *priv, int x, int y)
{
if (priv->type == GLAMOR_TEXTURE_LARGE) {
assert(x < priv->large.block_wcnt);
assert(y < priv->large.block_hcnt);
return priv->large.fbo_array[y * priv->large.block_wcnt + x];
}
assert (x == 0);
assert (y == 0);
return priv->base.fbo;
}
static inline BoxPtr
glamor_pixmap_box_at(glamor_pixmap_private *priv, int x, int y)
{
if (priv->type == GLAMOR_TEXTURE_LARGE) {
assert(x < priv->large.block_wcnt);
assert(y < priv->large.block_hcnt);
return &priv->large.box_array[y * priv->large.block_wcnt + x];
}
assert (x == 0);
assert (y == 0);
return &priv->base.box;
}
static inline int
glamor_pixmap_wcnt(glamor_pixmap_private *priv)
{
if (priv->type == GLAMOR_TEXTURE_LARGE)
return priv->large.block_wcnt;
return 1;
}
static inline int
glamor_pixmap_hcnt(glamor_pixmap_private *priv)
{
if (priv->type == GLAMOR_TEXTURE_LARGE)
return priv->large.block_hcnt;
return 1;
}
#define glamor_pixmap_loop(priv, x, y) \
for (y = 0; y < glamor_pixmap_hcnt(priv); y++) \
for (x = 0; x < glamor_pixmap_wcnt(priv); x++)
/*
* Pixmap dynamic status, used by dynamic upload feature.
*