livie
/
phoenix-firestorm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

lltracker::drawbeacon() rewritted for better performance 

this is a better implementation of the drawBeacon() function compared to the previous patch
master
mobserveur 2024-06-10 14:57:39 +02:00
parent bb55d25d47
commit 219448127a
1 changed files with 50 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
indra/newview/lltracker.cpp
View File

@ -492,18 +492,14 @@ void draw_shockwave(F32 center_z, F32 t, S32 steps, LLColor4 color)
void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4 fogged_color, F32 dist)
{
#if LL_DARWIN
const U32 BEACON_VERTS = 16;
#else
const U32 BEACON_VERTS = 256;
#endif
const F32 MAX_HEIGHT = 5020.f;
const U32 BEACON_ROWS = 256;
F32 step;
U32 nRows;
F32 height;
F32 rowHeight;
LLColor4 c_col = LLColor4(1, 1, 1, 1);
LLColor4 col_next = LLColor4(1, 1, 1, 1);
LLColor4 col_edge = LLColor4(1, 1, 1, 0);
LLColor4 col_edge_next = LLColor4(1, 1, 1, 0);
LLColor4 c_col, col_next, col_edge, col_edge_next;
gGL.matrixMode(LLRender::MM_MODELVIEW);
gGL.pushMatrix();
@ -512,14 +508,18 @@ void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4
{
gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], pos_agent.mV[2]);
draw_shockwave(1024.f, gRenderStartTime.getElapsedTimeF32(), 32, fogged_color);
step = (5020.0f - pos_agent.mV[2]) / BEACON_VERTS;
height = MAX_HEIGHT - pos_agent.mV[2];
}
else
{
gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], 0);
step = pos_agent.mV[2] / BEACON_VERTS;
height = pos_agent.mV[2];
}
nRows = ceil((BEACON_ROWS * height) / MAX_HEIGHT);
if(nRows<2) nRows=2;
rowHeight = height / nRows;
gGL.color4fv(fogged_color.mV);
LLVector3 x_axis = LLViewerCamera::getInstance()->getLeftAxis();
@ -527,21 +527,20 @@ void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4
F32 x = x_axis.mV[0];
F32 y = x_axis.mV[1];
F32 z = 0.0f;
F32 z = 0.f;
F32 z_next;
F32 a,an;
F32 xa,ya;
F32 xan,yan;
F32 xa,xan;
F32 ya,yan;
bool tracking_avatar = getTrackingStatus() == TRACKING_AVATAR;
gGL.begin(LLRender::TRIANGLE_STRIP);
gGL.begin(LLRender::TRIANGLES);
for (U32 i = 0; i < BEACON_VERTS; i++)
for (U32 i = 0; i < nRows; i++)
{
z = i * step;
z_next = z + step;
z_next = z + rowHeight;
a = pulse_func(t, z, tracking_avatar, direction);
an = pulse_func(t, z_next, tracking_avatar, direction);
@ -552,7 +551,7 @@ void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4
col_edge_next = fogged_color * LLColor4(an, an, an, 0.0f);
a = a + a + 1.f;
an = an + an + 1.0f;
an = an + an + 1.f;
xa = x*a;
ya = y*a;
@ -561,18 +560,44 @@ void LLTracker::drawBeacon(LLVector3 pos_agent, std::string direction, LLColor4
gGL.color4fv(col_edge.mV);
gGL.vertex3f(-xa, -ya, z);
gGL.color4fv(col_edge_next.mV);
gGL.vertex3f(-xan, -yan, z_next);
gGL.color4fv(c_col.mV);
gGL.vertex3f(0, 0, z);
gGL.color4fv(col_next.mV);
gGL.vertex3f(0, 0, z_next);
gGL.color4fv(col_edge_next.mV);
gGL.vertex3f(-xan, -yan, z_next);
gGL.color4fv(col_edge.mV);
gGL.vertex3f(xa, ya, z);
gGL.vertex3f(-xa, -ya, z);
gGL.color4fv(c_col.mV);
gGL.vertex3f(0, 0, z);
gGL.color4fv(col_next.mV);
gGL.vertex3f(0, 0, z_next);
gGL.color4fv(c_col.mV);
gGL.vertex3f(0, 0, z);
gGL.color4fv(col_edge_next.mV);
gGL.vertex3f(xan, yan, z_next);
gGL.color4fv(col_next.mV);
gGL.vertex3f(0, 0, z_next);
gGL.color4fv(c_col.mV);
gGL.vertex3f(0, 0, z);
gGL.color4fv(col_edge.mV);
gGL.vertex3f(xa, ya, z);
gGL.color4fv(col_edge_next.mV);
gGL.vertex3f(xan, yan, z_next);
z += rowHeight;
}
gGL.end();