tobid7/palladium
1
0
Fork 0
Code Issues 7 Pull Requests 1 Actions Packages Projects Releases Wiki Activity

faster rect command creation

Browse Source
This commit is contained in:
tobid7
2026-09-01 21:21:40 +02:00
parent 9ed3ed233d
commit daaf473af7
3 changed files with 29 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/lithium/font.cpp
+25 -9
View File
@@ -207,6 +207,17 @@ PD_API fvec2 Font::GetTextBounds(const char* text, float scale) {
return res;
}
PD_API void PrimTextQuad(Command& cmd, float x, float y, float w, float h,
const fvec4& uv, const PD::Color& color) {
cmd.Reserve(4, 6);
cmd.Add(2, 1, 0);
cmd.Add(3, 2, 0);
cmd.Add(Vertex(x, y, uv.x, uv.y, color));
cmd.Add(Vertex(x + w, y, uv.z, uv.y, color));
cmd.Add(Vertex(x + w, y + h, uv.z, uv.w, color));
cmd.Add(Vertex(x, y + h, uv.x, uv.w, color));
}
PD_API void Font::CmdTextEx(Drawlist& dl, const fvec2& pos, u32 color,
float scale, const char* text, LiTextFlags flags,
const fvec2& box) {
@@ -225,7 +236,7 @@ PD_API void Font::CmdTextEx(Drawlist& dl, const fvec2& pos, u32 color,
U8Iterator it(text);
u32 c;
Command* cmd = nullptr;
Command* cmd = dl.HasCommands() ? &dl.GetLastCommand() : nullptr;
while (it.Decode32(c)) {
auto cp = GetCodepoint(c);
if ((cp.pInvalid && c != L'\n' && c != L'\t' && c != L' ') && c != L'\r')
@@ -252,15 +263,20 @@ PD_API void Font::CmdTextEx(Drawlist& dl, const fvec2& pos, u32 color,
cmd->Tex = Textures[cp.Tex];
}
if (flags & LiTextFlags_Shaddow) {
Rect rec = Math::PrimRect(rpos + off + fvec2(1, cp.Offset * cfs + 1),
cp.Size * cfs, 0.f);
dl.PrimQuad(*cmd, rec, cp.SimpleUV, 0xff111111);
}
// calculating once and using PrimTextQuad to directly push
// saves ~42% on raw multiline text draw time 6.3 -> 3.7 ms
// and ~25% on the whole frametime 20.3 -> 15.2 ms
// tested with Craftus-Next 0.8.0 commit:
// 33298ccc276bf996d341710e69ecf05f99c57961
float cw = cp.Size.x * cfs;
float ch = cp.Size.y * cfs;
float cx = rpos.x + off.x;
float cy = rpos.y + off.y + (cp.Offset * cfs);
Rect rec = Math::PrimRect(rpos + off + fvec2(0, cp.Offset * cfs),
cp.Size * cfs, 0.f);
dl.PrimQuad(*cmd, rec, cp.SimpleUV, color);
if (flags & LiTextFlags_Shaddow) {
PrimTextQuad(*cmd, cx + 1.f, cy + 1.f, cw, ch, cp.SimpleUV, 0xff111111);
}
PrimTextQuad(*cmd, cx, cy, cw, ch, cp.SimpleUV, color);
off.x += cp.Size.x * cfs + 2 * cfs;
}