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give the compiler hints about what can be kept in registers so that it can optimize the gradient code better with all the pointers going on

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Dana Jansens 2008-03-28 20:56:16 -04:00 committed by Mikael Magnusson
parent 5b678bdfcf
commit 4a9b25ad58
1 changed files with 20 additions and 18 deletions
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38
render/gradient.c
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@ -41,7 +41,7 @@ void RrRender(RrAppearance *a, gint w, gint h)
RrPixel32 *data = a->surface.pixel_data;
RrPixel32 current;
guint r,g,b;
gint off, x;
register gint off, x;
switch (a->surface.grad) {
case RR_SURFACE_PARENTREL:
@ -136,7 +136,7 @@ void RrRender(RrAppearance *a, gint w, gint h)
static void highlight(RrSurface *s, RrPixel32 *x, RrPixel32 *y, gboolean raised)
{
gint r, g, b;
register gint r, g, b;
RrPixel32 *up, *down;
if (raised) {
@ -171,7 +171,7 @@ static void highlight(RrSurface *s, RrPixel32 *x, RrPixel32 *y, gboolean raised)
static void create_bevel_colors(RrAppearance *l)
{
gint r, g, b;
register gint r, g, b;
/* light color */
r = l->surface.primary->r;
@ -205,7 +205,7 @@ static void create_bevel_colors(RrAppearance *l)
*/
static inline void repeat_pixel(RrPixel32 *start, gint w)
{
gint x;
register gint x;
RrPixel32 *dest;
dest = start + 1;
@ -268,7 +268,8 @@ static inline void repeat_pixel(RrPixel32 *start, gint w)
static void gradient_parentrelative(RrAppearance *a, gint w, gint h)
{
RrPixel32 *source, *dest;
gint sw, sh, partial_w, partial_h, i;
gint sw, sh, partial_w, partial_h;
register gint i;
g_assert (a->surface.parent);
g_assert (a->surface.parent->w);
@ -318,7 +319,7 @@ static void gradient_parentrelative(RrAppearance *a, gint w, gint h)
static void gradient_solid(RrAppearance *l, gint w, gint h)
{
gint i;
register gint i;
RrPixel32 pix;
RrPixel32 *data = l->surface.pixel_data;
RrSurface *sp = &l->surface;
@ -414,9 +415,10 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
/* * * * * * * * * * * * * * GRADIENT MAGIC WOOT * * * * * * * * * * * * * * */
#define VARS(x) \
guint color##x[3]; \
gint len##x, cdelta##x[3], error##x[3] = { 0, 0, 0 }, inc##x[3]; \
#define VARS(x) \
register gint len##x; \
guint color##x[3]; \
gint cdelta##x[3], error##x[3] = { 0, 0, 0 }, inc##x[3]; \
gboolean bigslope##x[3] /* color slope > 1 */
#define SETUP(x, from, to, w) \
@ -464,7 +466,7 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
#define NEXT(x) \
{ \
gint i; \
register gint i; \
for (i = 2; i >= 0; --i) { \
if (!cdelta##x[i]) continue; \
\
@ -491,10 +493,10 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
{
gint y1, y2, y3;
register gint y1, y2, y3;
RrSurface *sf = &a->surface;
RrPixel32 *data;
gint y1sz, y2sz, y3sz;
register gint y1sz, y2sz, y3sz;
VARS(y1);
VARS(y2);
@ -556,7 +558,7 @@ static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
static void gradient_horizontal(RrSurface *sf, gint w, gint h)
{
gint x, y, cpbytes;
register gint x, y, cpbytes;
RrPixel32 *data = sf->pixel_data, *datav;
gchar *datac;
@ -588,7 +590,7 @@ static void gradient_horizontal(RrSurface *sf, gint w, gint h)
static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h)
{
gint x, y, half1, half2, cpbytes;
register gint x, y, half1, half2, cpbytes;
RrPixel32 *data = sf->pixel_data, *datav;
gchar *datac;
@ -635,7 +637,7 @@ static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h)
static void gradient_vertical(RrSurface *sf, gint w, gint h)
{
gint y;
register gint y;
RrPixel32 *data;
VARS(y);
@ -661,7 +663,7 @@ static void gradient_vertical(RrSurface *sf, gint w, gint h)
static void gradient_diagonal(RrSurface *sf, gint w, gint h)
{
gint x, y;
register gint x, y;
RrPixel32 *data = sf->pixel_data;
RrColor left, right;
RrColor extracorner;
@ -708,7 +710,7 @@ static void gradient_diagonal(RrSurface *sf, gint w, gint h)
static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h)
{
gint x, y;
register gint x, y;
RrPixel32 *data = sf->pixel_data;
RrColor left, right;
RrColor extracorner;
@ -759,7 +761,7 @@ static void gradient_pyramid(RrSurface *sf, gint w, gint h)
RrPixel32 *cp;
RrColor left, right;
RrColor extracorner;
gint x, y, halfw, halfh, midx, midy;
register gint x, y, halfw, halfh, midx, midy;
VARS(lefty);
VARS(righty);