Emulation/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-04-02 11:01:50 -04:00
Code Issues Projects Releases Packages Wiki Activity

GPU: Keep diagonal lines the same width.

Browse source
This commit is contained in:
Unknown W. Brackets 2021-10-31 15:49:20 -07:00
parent 60bd25582c
commit 76e1690646
1 changed files with 7 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
GPU/Common/SoftwareTransformCommon.cpp
View file

@ -796,9 +796,13 @@ void SoftwareTransform::ExpandLines(int vertexCount, int &maxIndex, u16 *&inds,
TransformedVertex transVtxBL = transformed[indsIn[i + 1]];
// Okay, let's calculate the perpendicular biased toward the bottom right.
float horizontal = fabsf(transVtxTL.x - transVtxBL.x);
float vertical = fabsf(transVtxTL.y - transVtxBL.y);
Vec2f addWidth = Vec2f(vertical, horizontal).Normalized();
float horizontal = transVtxTL.x - transVtxBL.x;
float vertical = transVtxTL.y - transVtxBL.y;
Vec2f addWidth = Vec2f(-vertical, horizontal).Normalized();
// We'll bias mostly straight lines and try to keep diagonal lines at 90 degrees.
if (fabsf(addWidth.y) < fabsf(addWidth.x / 16.0f)) {
addWidth.x = -addWidth.x;
}
// bottom right
trans[0] = transVtxBL;