Emulator-Archive/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2024-11-26 23:10:38 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Merge pull request #18172 from hrydgard/more-lenient-clear-detection

Browse Source 
Make clear detection a bit more lenient
This commit is contained in:
Henrik Rydgård 2023-09-29 09:52:08 +02:00 committed by GitHub
commit db421165c0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
GPU/Common/SoftwareTransformCommon.cpp
View File

@ -90,19 +90,22 @@ static void RotateUVThrough(TransformedVertex v[4]) {
// Clears on the PSP are best done by drawing a series of vertical strips
// in clear mode. This tries to detect that.
static bool IsReallyAClear(const TransformedVertex *transformed, int numVerts, float x2, float y2) {
if (transformed[0].x != 0.0f || transformed[0].y != 0.0f)
if (transformed[0].x < 0.0f || transformed[0].y < 0.0f || transformed[0].x > 0.5f || transformed[0].y > 0.5f)
return false;
const float originY = transformed[0].y;
// Color and Z are decided by the second vertex, so only need to check those for matching color.
u32 matchcolor = transformed[1].color0_32;
float matchz = transformed[1].z;
const u32 matchcolor = transformed[1].color0_32;
const float matchz = transformed[1].z;
for (int i = 1; i < numVerts; i++) {
if ((i & 1) == 0) {
// Top left of a rectangle
if (transformed[i].y != 0.0f)
if (transformed[i].y != originY)
return false;
if (i > 0 && transformed[i].x != transformed[i - 1].x)
float gap = fabsf(transformed[i].x - transformed[i - 1].x); // Should probably do some smarter check.
if (i > 0 && gap > 0.0625)
return false;
} else {
if (transformed[i].color0_32 != matchcolor || transformed[i].z != matchz)