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gsk: Optimize gsk_transform_to...

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Optimize these functions for the common cases.
This commit is contained in:
Matthias Clasen 2021-07-24 10:51:08 -04:00
parent b695ef9168
commit 0ef12193f9
1 changed files with 29 additions and 58 deletions
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87
gsk/gsktransform.c
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@ -1487,21 +1487,21 @@ gsk_transform_to_2d (GskTransform *self,
float *out_dx,
float *out_dy)
{
if (self == NULL ||
self->category < GSK_TRANSFORM_CATEGORY_2D)
*out_xx = 1.0f;
*out_yx = 0.0f;
*out_xy = 0.0f;
*out_yy = 1.0f;
*out_dx = 0.0f;
*out_dy = 0.0f;
if (self == NULL)
return;
if (G_UNLIKELY (self->category < GSK_TRANSFORM_CATEGORY_2D))
{
if (self != NULL)
{
char *s = gsk_transform_to_string (self);
g_warning ("Given transform \"%s\" is not a 2D transform.", s);
g_free (s);
}
*out_xx = 1.0f;
*out_yx = 0.0f;
*out_xy = 0.0f;
*out_yy = 1.0f;
*out_dx = 0.0f;
*out_dy = 0.0f;
char *s = gsk_transform_to_string (self);
g_warning ("Given transform \"%s\" is not a 2D transform.", s);
g_free (s);
return;
}
@ -1544,41 +1544,25 @@ gsk_transform_to_affine (GskTransform *self,
float *out_dx,
float *out_dy)
{
*out_scale_x = 1.0f;
*out_scale_y = 1.0f;
*out_dx = 0.0f;
*out_dy = 0.0f;
if (self == NULL)
{
*out_scale_x = 1.0f;
*out_scale_y = 1.0f;
*out_dx = 0.0f;
*out_dy = 0.0f;
return;
}
return;
if (G_UNLIKELY (self->category < GSK_TRANSFORM_CATEGORY_2D_AFFINE))
{
char *s = gsk_transform_to_string (self);
g_warning ("Given transform \"%s\" is not an affine 2D transform.", s);
g_free (s);
*out_scale_x = 1.0f;
*out_scale_y = 1.0f;
*out_dx = 0.0f;
*out_dy = 0.0f;
return;
}
if (self->next != NULL)
{
gsk_transform_to_affine (self->next,
out_scale_x, out_scale_y,
out_dx, out_dy);
}
else
{
*out_scale_x = 1.0f;
*out_scale_y = 1.0f;
*out_dx = 0.0f;
*out_dy = 0.0f;
}
gsk_transform_to_affine (self->next,
out_scale_x, out_scale_y,
out_dx, out_dy);
self->transform_class->apply_affine (self,
out_scale_x, out_scale_y,
@ -1607,12 +1591,11 @@ gsk_transform_to_translate (GskTransform *self,
float *out_dx,
float *out_dy)
{
*out_dx = 0.0f;
*out_dy = 0.0f;
if (self == NULL)
{
*out_dx = 0.0f;
*out_dy = 0.0f;
return;
}
return;
if (G_UNLIKELY (self->category < GSK_TRANSFORM_CATEGORY_2D_TRANSLATE))
{
@ -1620,24 +1603,12 @@ gsk_transform_to_translate (GskTransform *self,
g_warning ("Given transform \"%s\" is not an affine 2D translation.", s);
g_free (s);
*out_dx = 0.0f;
*out_dy = 0.0f;
return;
}
if (self->next != NULL)
{
gsk_transform_to_translate (self->next,
out_dx, out_dy);
}
else
{
*out_dx = 0.0f;
*out_dy = 0.0f;
}
gsk_transform_to_translate (self->next, out_dx, out_dy);
self->transform_class->apply_translate (self,
out_dx, out_dy);
self->transform_class->apply_translate (self, out_dx, out_dy);
}
/**