Fix using linear layout for depth readback.

We were using a quad-layout depth format as the destination format for glReadPixels calls with GL_DEPTH_COMPONENT / GL_FLOAT format. Upload to a texture was also affected. Bug b/64542192 Change-Id: I8ad700bf86737debe3268ec6a3dbd237cd85ea1a Reviewed-on: https://swiftshader-review.googlesource.com/15548Tested-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com>

Fix using linear layout for depth readback.
4a4fe77c · Nicolas Capens · Nicolas Capens · 2cd00090 · 4a4fe77c
Commit 4a4fe77c authored Dec 22, 2017 by Nicolas Capens Committed by Nicolas Capens Jan 03, 2018
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Image.cpp src/OpenGL/common/Image.cpp +1 -1

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--- a/src/OpenGL/common/Image.cpp
+++ b/src/OpenGL/common/Image.cpp
@@ -537,7 +537,7 @@ namespace egl
 			case GL_UNSIGNED_SHORT:        return sw::FORMAT_D16;
 			case GL_UNSIGNED_INT_24_8_OES: return sw::FORMAT_D24S8;
 			case GL_UNSIGNED_INT:          return sw::FORMAT_D32;
-			case GL_FLOAT:                 return sw::FORMAT_D32F;
+			case GL_FLOAT:                 return sw::FORMAT_D32F_LOCKABLE;
 			default: UNREACHABLE(type);
 			}
 			break;