Avoid writing any pixels outside of the frame buffer.
crbug.com/336438
diff --git a/src/Main/FrameBuffer.cpp b/src/Main/FrameBuffer.cpp
index 0534198..aa1b0e2 100644
--- a/src/Main/FrameBuffer.cpp
+++ b/src/Main/FrameBuffer.cpp
@@ -274,11 +274,13 @@
if(state.depth == 32)
{
- if(width2 % 4 == 0 && !state.HDR)
+ Int x = x0;
+
+ if(!state.HDR)
{
- For(Int x = x0, x < width2, x += 4)
+ For(, x < width - 3, x += 4)
{
- *Pointer<Int4>(d, 1) = *Pointer<Int4>(s, 16);
+ *Pointer<Int4>(d, 1) = *Pointer<Int4>(s, width % 4 ? 1 : 16);
s += 4 * sBytes;
d += 4 * dBytes;
@@ -286,28 +288,34 @@
}
else
{
- For(Int x = x0, x < width2, x += 2)
+ For(, x < width - 1, x += 2)
{
- Int2 c01;
+ UShort4 c0 = As<UShort4>(Swizzle(*Pointer<Short4>(s + 0), 0xC6)) >> 8;
+ UShort4 c1 = As<UShort4>(Swizzle(*Pointer<Short4>(s + 8), 0xC6)) >> 8;
- if(!state.HDR)
- {
- c01 = *Pointer<Int2>(s);
- }
- else
- {
- UShort4 c0 = As<UShort4>(Swizzle(*Pointer<Short4>(s + 0), 0xC6)) >> 8;
- UShort4 c1 = As<UShort4>(Swizzle(*Pointer<Short4>(s + 8), 0xC6)) >> 8;
-
- c01 = As<Int2>(Pack(c0, c1));
- }
-
- *Pointer<Int2>(d) = c01;
+ *Pointer<Int2>(d) = As<Int2>(Pack(c0, c1));
s += 2 * sBytes;
d += 2 * dBytes;
}
}
+
+ For(, x < width, x++)
+ {
+ if(!state.HDR)
+ {
+ *Pointer<Int>(d) = *Pointer<Int>(s);
+ }
+ else
+ {
+ UShort4 c = As<UShort4>(Swizzle(*Pointer<Short4>(s), 0xC6)) >> 8;
+
+ *Pointer<Int>(d) = Int(As<Int2>(Pack(c, c)));
+ }
+
+ s += sBytes;
+ d += dBytes;
+ }
}
else if(state.depth == 24)
{
