Fix libretro RGB565 rendering

drhelius · Apr 12, 2020 · 2a177aa · 2a177aa
1 parent 4548229
commit 2a177aa
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Showing 3 changed files with 18 additions and 8 deletions.
diff --git a/src/GearsystemCore.cpp b/src/GearsystemCore.cpp
@@ -790,3 +790,20 @@ void GearsystemCore::Reset()
     m_pSmsIOPorts->Reset();
     m_bPaused = false;
 }
+
+void GearsystemCore::Get16BitFrameBuffer(GS_Color* pFrameBuffer, u16* p16BitFrameBuffer)
+{
+    if (IsValidPointer(pFrameBuffer) && IsValidPointer(p16BitFrameBuffer))
+    {
+        int pixels = GS_RESOLUTION_MAX_WIDTH * GS_RESOLUTION_MAX_HEIGHT;
+
+
+        for (int i = 0; i < pixels; i++)
+        {
+            GS_Color p = pFrameBuffer[i];
+
+            p16BitFrameBuffer[i] = 0;
+            p16BitFrameBuffer[i] = ((p.red >> 3) << 11) | ((p.green >> 2) << 5) | (p.blue >> 3);
+        }
+    }
+}
diff --git a/src/GearsystemCore.h b/src/GearsystemCore.h
@@ -76,6 +76,7 @@ class GearsystemCore
     Memory* GetMemory();
     Cartridge* GetCartridge();
     void SetSG1000Palette(GS_Color* pSG1000Palette);
+    void Get16BitFrameBuffer(GS_Color* pFrameBuffer, u16* p16BitFrameBuffer);
 
 private:
     void InitMemoryRules();

diff --git a/src/definitions.h b/src/definitions.h
@@ -115,14 +115,6 @@ struct GS_Color
     u8 blue;
 };
 
-enum GS_Color_Format
-{
-    GS_PIXEL_RGB565,
-    GS_PIXEL_RGB555,
-    GS_PIXEL_BGR565,
-    GS_PIXEL_BGR555
-};
-
 enum GS_Keys
 {
     Key_Up = 0,