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dri3: Rename DRI3_MAX_BACK to DRI3_NUM_BACK

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It is the maximum number of back buffers, but the name is confusing and is
easily read as the maximum back buffer index. Chage to DRI3_NUM_BACK to make
the intended usage a bit clearer.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Keith Packard
2013-11-23 21:58:14 -08:00
committed by Kenneth Graunke
parent 547bcc4b57
commit 6b51113981
2 changed files with 7 additions and 7 deletions
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src/glx/dri3_glx.c
+2 -2
View File
@@ -1034,7 +1034,7 @@ dri3_find_back(xcb_connection_t *c, struct dri3_drawable *priv)
for (;;) {
for (b = 0; b < DRI3_MAX_BACK; b++) {
for (b = 0; b < DRI3_NUM_BACK; b++) {
int id = DRI3_BACK_ID(b);
struct dri3_buffer *buffer = priv->buffers[id];
@@ -1150,7 +1150,7 @@ dri3_free_buffers(__DRIdrawable *driDrawable,
switch (buffer_type) {
case dri3_buffer_back:
first_id = DRI3_BACK_ID(0);
n_id = DRI3_MAX_BACK;
n_id = DRI3_NUM_BACK;
break;
case dri3_buffer_front:
first_id = DRI3_FRONT_ID;
src/glx/dri3_priv.h
+5 -5
View File
@@ -143,14 +143,14 @@ struct dri3_context
__DRIcontext *driContext;
};
#define DRI3_MAX_BACK 2
#define DRI3_NUM_BACK 2
#define DRI3_BACK_ID(i) (i)
#define DRI3_FRONT_ID (DRI3_MAX_BACK)
#define DRI3_FRONT_ID (DRI3_NUM_BACK)
static inline int
dri3_buf_id_next(int buf_id)
{
if (buf_id == DRI3_MAX_BACK - 1)
if (buf_id == DRI3_NUM_BACK - 1)
return 0;
return buf_id + 1;
}
@@ -159,7 +159,7 @@ static inline int
dri3_buf_id_prev(int buf_id)
{
if (buf_id == 0)
return DRI3_MAX_BACK - 1;
return DRI3_NUM_BACK - 1;
return buf_id - 1;
}
@@ -172,7 +172,7 @@ dri3_pixmap_buf_id(enum dri3_buffer_type buffer_type)
return DRI3_FRONT_ID;
}
#define DRI3_NUM_BUFFERS (1 + DRI3_MAX_BACK)
#define DRI3_NUM_BUFFERS (1 + DRI3_NUM_BACK)
struct dri3_drawable {
__GLXDRIdrawable base;