Fix RGB565 rounding.

Bug 20891368 Change-Id: Icc0957db55cf82e42c0ccb2c8881332f71f52f5f Reviewed-on: https://swiftshader-review.googlesource.com/3993Tested-by: Nicolas Capens <capn@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>

Fix RGB565 rounding.
26f37224 · Nicolas Capens · df01da3a · 26f37224 · 26f37224
Commit 26f37224 authored Sep 22, 2015 by Nicolas Capens
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Showing with 3 additions and 3 deletions

PixelPipeline.cpp src/Shader/PixelPipeline.cpp +0 -0

PixelRoutine.cpp src/Shader/PixelRoutine.cpp +3 -3

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--- a/src/Shader/PixelPipeline.cpp
+++ b/src/Shader/PixelPipeline.cpp
--- a/src/Shader/PixelRoutine.cpp
+++ b/src/Shader/PixelRoutine.cpp
@@ -1391,7 +1391,9 @@ namespace sw
 			switch(state.targetFormat[index])
 			{
 			case FORMAT_R5G6B5:
-			//	UNIMPLEMENTED();   // FIXME
+				current.x = AddSat(As<UShort4>(current.x), UShort4(0x0400));
+				current.y = AddSat(As<UShort4>(current.y), UShort4(0x0200));
+				current.z = AddSat(As<UShort4>(current.z), UShort4(0x0400));
 				break;
 			case FORMAT_X8G8R8B8Q:
 			case FORMAT_A8G8R8B8Q:
@@ -1399,12 +1401,10 @@ namespace sw
 			case FORMAT_X8B8G8R8:
 			case FORMAT_A8R8G8B8:
 			case FORMAT_A8B8G8R8:
-				{
 				current.x = current.x - As<Short4>(As<UShort4>(current.x) >> 8) + Short4(0x0080, 0x0080, 0x0080, 0x0080);
 				current.y = current.y - As<Short4>(As<UShort4>(current.y) >> 8) + Short4(0x0080, 0x0080, 0x0080, 0x0080);
 				current.z = current.z - As<Short4>(As<UShort4>(current.z) >> 8) + Short4(0x0080, 0x0080, 0x0080, 0x0080);
 				current.w = current.w - As<Short4>(As<UShort4>(current.w) >> 8) + Short4(0x0080, 0x0080, 0x0080, 0x0080);
-				}
 				break;
 			}
 		}