commit e3939b985c8dc68b815bf9b2cb66e1ba7446fb33
author Minmin Gong <mgong@microsoft.com> Tue Dec 01 15:36:51 2015 -0800
committer Corentin Wallez <cwallez@chromium.org> Fri Feb 05 15:26:51 2016 +0000
tree 31b0e0b923a30f6d2dcc9e3ced7421adb72a9605
parent 7718c05b7966967bb01b28a93b7a677b4b31642a

D3D11: Transcode ETC1 to BC1.

Adds a new extension to allow transcode ETC formats to suitable BC formats.
This commit implements ETC1 to BC1. More formats will be supported soon.

BUG=angleproject:1285

Change-Id: Iacbfbc2248dfe1aebf24b92696249a9404e331cd
Reviewed-on: https://chromium-review.googlesource.com/316511
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

src/libANGLE/formatutils.cpp

diff --git a/src/libANGLE/formatutils.cpp b/src/libANGLE/formatutils.cpp
index 0d64ae5..3a4df12 100644
--- a/src/libANGLE/formatutils.cpp
+++ b/src/libANGLE/formatutils.cpp
@@ -565,6 +565,10 @@
     // - It affects only validation of internalformat in RenderbufferStorageMultisample.
     //                               | Internal format  |                  |D |S |X | Format          | Type            | Component type        | Supported   | Renderable  | Filterable   |
     map.insert(InternalFormatInfoPair(GL_STENCIL_INDEX8, DepthStencilFormat(0, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2>, RequireES<2>, NeverSupported)));
+
+    // From GL_ANGLE_lossy_etc_decode
+    map.insert(InternalFormatInfoPair(GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, CompressedFormat(4, 4, 64, 3, GL_ETC1_RGB8_OES, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported)));
+
     // clang-format on
 
     return map;