From 37fb50eebe6c24108e5b63a7ed85a7219491fc0d Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Sun, 18 Sep 2022 20:57:20 +0200
Subject: [PATCH] Fix displaying the config menu on games which run in native
 1080p

---
 source/utils/ConfigUtils.cpp |  7 +++++++
 source/utils/DrawUtils.cpp   | 13 ++++++++++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/source/utils/ConfigUtils.cpp b/source/utils/ConfigUtils.cpp
index a4237e6..d7f72a6 100644
--- a/source/utils/ConfigUtils.cpp
+++ b/source/utils/ConfigUtils.cpp
@@ -537,6 +537,8 @@ void ConfigUtils::displayMenu() {
     }
 }
 
+#define __SetDCPitchReg ((void (*)(uint32_t, uint32_t))(0x101C400 + 0x1e714))
+
 void ConfigUtils::openConfigMenu() {
     bool wasHomeButtonMenuEnabled = OSIsHomeButtonMenuEnabled();
 
@@ -547,6 +549,11 @@ void ConfigUtils::openConfigMenu() {
     void *screenbuffer0       = MEMAllocFromMappedMemoryForGX2Ex(screen_buf0_size, 0x100);
     void *screenbuffer1       = MEMAllocFromMappedMemoryForGX2Ex(screen_buf1_size, 0x100);
 
+    // Fix the TV buffer pitch if a 1080p buffer is used.
+    if (screen_buf0_size == 0x00FD2000) {
+        __SetDCPitchReg(SCREEN_TV, 1920);
+    }
+
     bool skipScreen0Free = false;
     bool skipScreen1Free = false;
 
diff --git a/source/utils/DrawUtils.cpp b/source/utils/DrawUtils.cpp
index 89bbe07..aab8517 100644
--- a/source/utils/DrawUtils.cpp
+++ b/source/utils/DrawUtils.cpp
@@ -78,10 +78,17 @@ void DrawUtils::drawPixel(uint32_t x, uint32_t y, uint8_t r, uint8_t g, uint8_t
         }
     }
 
+    uint32_t USED_TV_WIDTH = TV_WIDTH;
+    float scale            = 1.5f;
+    if (DrawUtils::tvSize == 0x00FD2000) {
+        USED_TV_WIDTH = 1920;
+        scale         = 2.25f;
+    }
+
     // scale and put pixel in the tv buffer
-    for (uint32_t yy = (y * 1.5); yy < ((y * 1.5) + 1); yy++) {
-        for (uint32_t xx = (x * 1.5); xx < ((x * 1.5) + 1); xx++) {
-            uint32_t i = (xx + yy * TV_WIDTH) * 4;
+    for (uint32_t yy = (y * scale); yy < ((y * scale) + (uint32_t) scale); yy++) {
+        for (uint32_t xx = (x * scale); xx < ((x * scale) + (uint32_t) scale); xx++) {
+            uint32_t i = (xx + yy * USED_TV_WIDTH) * 4;
             if (i + 3 < tvSize / 2) {
                 if (isBackBuffer) {
                     i += tvSize / 2;