commit ab2dd50632c8fd728f92fab792c597e1965c93c5
author Alexis Hetu <sugoi@google.com> Thu Nov 16 15:35:59 2017 -0500
committer Alexis Hétu <sugoi@google.com> Fri Nov 17 15:14:12 2017 +0000
tree 3fed372f9b5db3106a16ae0d3e5d0fb1ebfdfb30
parent f97f6e0e2e473e93112fa48a2b675f3f63c10663

Depth related fixes

- Depth output should write to the 1st (Red) channel only
- Depth image load should be clamped in the [0, 1] range

Change-Id: Ic7c3ac09c86d5457ec3c59bf9666e2b168226c5e
Reviewed-on: https://swiftshader-review.googlesource.com/13988
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>

src/Shader/SamplerCore.cpp

diff --git a/src/Shader/SamplerCore.cpp b/src/Shader/SamplerCore.cpp
index 194e35a..c51dbf9 100644
--- a/src/Shader/SamplerCore.cpp
+++ b/src/Shader/SamplerCore.cpp
@@ -520,9 +520,9 @@
 				case FORMAT_D32F_LOCKABLE:
 				case FORMAT_D32FS8_TEXTURE:
 				case FORMAT_D32FS8_SHADOW:
-					c.y = c.x;
-					c.z = c.x;
-					c.w = c.x;
+					c.y = Float4(0.0f);
+					c.z = Float4(0.0f);
+					c.w = Float4(1.0f);
 					break;
 				default:
 					ASSERT(false);