piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2024-11-14 05:17:40 -07:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

fix bugs with negative viewports

Browse Source 
it
it renders out of bounds pixels...........
This commit is contained in:
Jaklyy 2024-04-27 12:37:48 -04:00
parent 9b106d064d
commit 72ffe6b297
1 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/GPU3D_Soft.cpp
View File

@ -957,7 +957,6 @@ bool SoftRenderer::RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon*
if (x < 0) x = 0;
s32 xlimit;
if (xend > 256) xend = 256;
if (accuracy)
{
@ -973,6 +972,13 @@ bool SoftRenderer::RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon*
else abortscanline = false;
}
// note: if accuracy mode isn't enabled the abort flag never gets set, this is fine, because it also never gets used by fast mode.
// we cap it to 256 *after* counting the cycles, because yes, it tries to render oob pixels.
if (xend > 256)
{
r_edgelen += 256 - xend;
xend = 256;
}
// for shadow masks: set stencil bits where the depth test fails.
// draw nothing.
@ -1213,7 +1219,6 @@ bool SoftRenderer::RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s3
s32 xlimit;
s32 xcov = 0;
if (xend > 256) xend = 256;
if (accuracy)
{
@ -1228,6 +1233,13 @@ bool SoftRenderer::RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s3
else abortscanline = false;
}
// note: if accuracy mode isn't enabled the abort flag never gets set, this is fine, because it also never gets used by fast mode.
// we cap it to 256 *after* counting the cycles, because yes, it tries to render oob pixels.
if (xend > 256)
{
r_edgelen += 256 - xend;
xend = 256;
}
// part 1: left edge
edge = yedge | 0x1;