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Get rid of avg, which is now redundant

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Alexander van Gessel 2017-11-05 15:38:24 +01:00 • committed by Charles Dang
parent 0f75e9eea0
commit cd886048dc
1 changed files with 6 additions and 10 deletions
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16
src/sdl/utils.cpp
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@ -1610,21 +1610,21 @@ surface blur_alpha_surface(const surface &surf, int depth)
surface_lock lock(res);
int x, y;
for(y = 0; y < res->h; ++y) {
Uint32 alpha=0, red = 0, green = 0, blue = 0, avg = 0;
Uint32 alpha=0, red = 0, green = 0, blue = 0;
Uint32* p = lock.pixels() + y*res->w;
for(x = 0; x <= depth && x < res->w; ++x, ++p) {
alpha += ((*p) >> 24)&0xFF;
red += ((*p) >> 16)&0xFF;
green += ((*p) >> 8)&0xFF;
blue += (*p)&0xFF;
++avg;
assert(!queue.full());
queue.push_back(*p);
}
p = lock.pixels() + y*res->w;
for(x = 0; x < res->w; ++x, ++p) {
*p = (std::min(alpha/avg,ff) << 24) | (std::min(red/avg,ff) << 16) | (std::min(green/avg,ff) << 8) | std::min(blue/avg,ff);
const Uint32 num = queue.size();
*p = (std::min(alpha/num,ff) << 24) | (std::min(red/num,ff) << 16) | (std::min(green/num,ff) << 8) | std::min(blue/num,ff);
if(x >= depth) {
{
const auto &front = queue.front();
@ -1633,7 +1633,6 @@ surface blur_alpha_surface(const surface &surf, int depth)
green -= (front >> 8)&0xFF;
blue -= front&0xFF;
}
--avg;
assert(!queue.empty());
queue.pop_front();
}
@ -1644,7 +1643,6 @@ surface blur_alpha_surface(const surface &surf, int depth)
red += ((*q) >> 16)&0xFF;
green += ((*q) >> 8)&0xFF;
blue += (*q)&0xFF;
++avg;
assert(!queue.full());
queue.push_back(*q);
}
@ -1654,21 +1652,21 @@ surface blur_alpha_surface(const surface &surf, int depth)
}
for(x = 0; x < res->w; ++x) {
Uint32 alpha=0, red = 0, green = 0, blue = 0, avg = 0;
Uint32 alpha=0, red = 0, green = 0, blue = 0;
Uint32* p = lock.pixels() + x;
for(y = 0; y <= depth && y < res->h; ++y, p += res->w) {
alpha += ((*p) >> 24)&0xFF;
red += ((*p) >> 16)&0xFF;
green += ((*p) >> 8)&0xFF;
blue += *p&0xFF;
++avg;
assert(!queue.full());
queue.push_back(*p);
}
p = lock.pixels() + x;
for(y = 0; y < res->h; ++y, p += res->w) {
*p = (std::min(alpha/avg,ff) << 24) | (std::min(red/avg,ff) << 16) | (std::min(green/avg,ff) << 8) | std::min(blue/avg,ff);
const Uint32 num = queue.size();
*p = (std::min(alpha/num,ff) << 24) | (std::min(red/num,ff) << 16) | (std::min(green/num,ff) << 8) | std::min(blue/num,ff);
if(y >= depth) {
{
const auto &front = queue.front();
@ -1677,7 +1675,6 @@ surface blur_alpha_surface(const surface &surf, int depth)
green -= (front >> 8)&0xFF;
blue -= front&0xFF;
}
--avg;
assert(!queue.empty());
queue.pop_front();
}
@ -1688,7 +1685,6 @@ surface blur_alpha_surface(const surface &surf, int depth)
red += ((*q) >> 16)&0xFF;
green += ((*q) >> 8)&0xFF;
blue += (*q)&0xFF;
++avg;
assert(!queue.full());
queue.push_back(*q);
}