From 83ce428d8bb5f4a762abf879adec076bc34cf36a Mon Sep 17 00:00:00 2001
From: Fox Caminiti <fox@foxcam.net>
Date: Wed, 27 Jul 2022 11:00:45 -0400
Subject: full support for odd-dimension bitmaps and comps

---
 main.h | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'main.h')

diff --git a/main.h b/main.h
index 801b13e..d5a0126 100644
--- a/main.h
+++ b/main.h
@@ -4,17 +4,25 @@ enum source_type {
     source_image
 };
 
+enum instruction_mode {
+    scalar_only,
+    sse_enabled,
+    avx_enabled
+};
+
 struct pixel_buffer {
     void *OriginalBuffer;
     void *EffectBuffer;
     void *Scratch;
     uint16 Width;
     uint16 Height;
+    // IMPORTANT(fox): Since we're storing 4x4 chunks, I'm opting to pad out each
+    // dimension with an extra 1-3 pixels to make our lookup functions simpler.
+    // This has the cost of extra RAM, but it's a miniscule amount (0.2% extra
+    // data for a worst-case 1080p 16bpc frame, or 140 kb).
+    uint16 FullWidth;
+    uint16 FullHeight;
     uint16 Pitch;
-#if PACKEDRGB
-#else
-    uint32 Channel;
-#endif
     uint16 BytesPerPixel;
     bool32 ToUpdate;  // Set whenever effects or video frames need to be updated.
 };
@@ -246,6 +254,8 @@ struct transform_info {
     real32 YAxisPY;
     real32 LayerWidth;
     real32 LayerHeight;
+    uint32 FullLayerWidth;
+    uint32 FullLayerHeight;
     real32 LayerOpacity;
     real32 OriginX;
     real32 OriginY;
-- 
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