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

Move through-mode UV scaling for rects from Transform to ExpandRectangles

Browse source
This commit is contained in:
Henrik Rydgård 2023-12-30 13:50:32 +01:00
parent fa2cb91c46
commit 6e12465dc4
1 changed files with 18 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
GPU/Common/SoftwareTransformCommon.cpp
View file

@ -179,7 +179,8 @@ void SoftwareTransform::Transform(int prim, u32 vertType, const DecVtxFormat &de
float uscale = 1.0f;
float vscale = 1.0f;
if (throughmode) {
if (throughmode && prim != GE_PRIM_RECTANGLES) {
// For through rectangles, we do this scaling in Expand.
uscale /= gstate_c.curTextureWidth;
vscale /= gstate_c.curTextureHeight;
}
@ -621,6 +622,14 @@ void SoftwareTransform::ExpandRectangles(int vertexCount, int &maxIndex, u16 *&i
u16 *indsOut = newInds;
maxIndex = 4 * (vertexCount / 2);
float uscale = 1.0f;
float vscale = 1.0f;
if (throughmode) {
uscale /= gstate_c.curTextureWidth;
vscale /= gstate_c.curTextureHeight;
}
for (int i = 0; i < vertexCount; i += 2) {
const TransformedVertex &transVtxTL = transformed[indsIn[i + 0]];
const TransformedVertex &transVtxBR = transformed[indsIn[i + 1]];
@ -630,23 +639,27 @@ void SoftwareTransform::ExpandRectangles(int vertexCount, int &maxIndex, u16 *&i
// bottom right
trans[0] = transVtxBR;
trans[0].u = transVtxBR.u * uscale;
trans[0].v = transVtxBR.v * vscale;
// top right
trans[1] = transVtxBR;
trans[1].y = transVtxTL.y;
trans[1].v = transVtxTL.v;
trans[1].u = transVtxBR.u * uscale;
trans[1].v = transVtxTL.v * vscale;
// top left
trans[2] = transVtxBR;
trans[2].x = transVtxTL.x;
trans[2].y = transVtxTL.y;
trans[2].u = transVtxTL.u;
trans[2].v = transVtxTL.v;
trans[2].u = transVtxTL.u * uscale;
trans[2].v = transVtxTL.v * vscale;
// bottom left
trans[3] = transVtxBR;
trans[3].x = transVtxTL.x;
trans[3].u = transVtxTL.u;
trans[3].u = transVtxTL.u * uscale;
trans[3].v = transVtxBR.v * vscale;
// That's the four corners. Now process UV rotation.
if (throughmode) {