Remove linear filtering requirement on depth textures

Linear filtering depth is an odd operation that doesn't yield particularly useful information. In the primary instance where it'd be used, the GLES3.1 spec (8.17) specifically denies its use, and enforcing the capability can lead to issues with hardware designed without support in mind. We think the check isn't necessary as a result. Bug: angleproject:5964 Change-Id: I69f243f7cc078cd5383de2cc4bf1cfc3b6f2bc3b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2894424Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Tim Van Patten <timvp@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>

Remove linear filtering requirement on depth textures
1f1e0e6c · Kyle Griffiths · Angle LUCI CQ · dd312cc6 · 1f1e0e6c
Commit 1f1e0e6c authored May 13, 2021 by Kyle Griffiths Committed by Angle LUCI CQ May 21, 2021
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Caps.cpp src/libANGLE/Caps.cpp +2 -2

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--- a/src/libANGLE/Caps.cpp
+++ b/src/libANGLE/Caps.cpp
@@ -656,7 +656,7 @@ static bool DetermineDepthTextureANGLESupport(const TextureCapsMap &textureCaps)
        GL_DEPTH24_STENCIL8_OES,
    };

-    return GetFormatSupport(textureCaps, requiredFormats, true, true, true, false, false);
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false);
 }

 // Check for GL_OES_depth_texture support
@@ -667,7 +667,7 @@ static bool DetermineDepthTextureOESSupport(const TextureCapsMap &textureCaps)
        GL_DEPTH_COMPONENT32_OES,
    };

-    return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false);
+    return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false);
 }

 // Check for GL_OES_depth24