mika/nx-hbmenu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Cache calculated colours for anti-aliasing

Browse Source
This commit is contained in:
Adubbz 2018-02-25 16:56:32 +11:00
parent f6b6e5f199
commit 8c62770ac0
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
common/menu.c
View File

@ -208,6 +208,7 @@ static void drawEntry(menuEntry_s* me, int off_x, int is_active) {
}
color_t waveGradients[3][720];
color_t aaColors[3][256*256*256][10];
void precomputeWaveColors(int id, color_t baseColor, int height) {
int y;
@ -255,6 +256,7 @@ void drawWave(int id, float timer, color_t color, int height, float phase, float
int x, y;
float wave_top_y, alpha;
color_t existing_color, new_color;
color_t *aa_color_ptr;
height = 720 - height;
@ -263,14 +265,20 @@ void drawWave(int id, float timer, color_t color, int height, float phase, float
for (y=wave_top_y; y<720; y++) {
alpha = y-wave_top_y;
existing_color = FetchPixelColor(x, y);
if (themeCurrent.enableWaveBlending) {
existing_color = FetchPixelColor(x, y);
new_color = waveBlendAdd(existing_color, color, clamp(alpha, 0.0, 1.0) * 0.3);
}
else if (alpha < 0.3) { // anti-aliasing
existing_color = FetchPixelColor(x, y);
alpha = fabs(alpha);
new_color = MakeColor(color.r * (1.0 - alpha) + existing_color.r * alpha, color.g * (1.0 - alpha) + existing_color.g * alpha, color.b * (1.0 - alpha) + existing_color.b * alpha, 255);
aa_color_ptr = &aaColors[id][existing_color.abgr & 0xFFFFFF][(int)(alpha * 10) - 1];
new_color = *aa_color_ptr;
if (new_color.abgr == 0) {
new_color = *aa_color_ptr = MakeColor(color.r * (1.0 - alpha) + existing_color.r * alpha, color.g * (1.0 - alpha) + existing_color.g * alpha, color.b * (1.0 - alpha) + existing_color.b * alpha, 255);
}
}
else { // darken closer to bottom of the waves
new_color = waveGradients[id][y];