commit 1676cb92820270a301b3f91745d9e5426fe23c7a
author Jim Van Verth <jvanverth@google.com> Tue Jan 15 13:24:45 2019 -0500
committer Jim Van Verth <jvanverth@google.com> Tue Jan 15 19:56:28 2019 +0000
tree 5c94f9eb0d9b259d6426660beb8cacf655f7e290
parent 98dea7b11c239559548718783e0e3205a8bea23e

Restore ETC1 compressed texture support.

Brings back GL ETC1 support and adds Vulkan support as well.

Bug: skia:8684
Change-Id: Ie65da0a3172793081f0e4072f161bfb9b14678bc
Reviewed-on: https://skia-review.googlesource.com/c/179724
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

src/gpu/GrContext.cpp

diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 88d1ec2..d4f99b2 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -427,6 +427,7 @@
         case kRG_float_GrPixelConfig:           return false;
         case kAlpha_half_GrPixelConfig:         return false;
         case kRGBA_half_GrPixelConfig:          return true;
+        case kRGB_ETC1_GrPixelConfig:           return false;
         case kAlpha_8_as_Alpha_GrPixelConfig:   return false;
         case kAlpha_8_as_Red_GrPixelConfig:     return false;
         case kAlpha_half_as_Red_GrPixelConfig:  return false;
@@ -453,6 +454,7 @@
         case GrColorType::kRGBA_F16:     return true;
         case GrColorType::kRG_F32:       return false;
         case GrColorType::kRGBA_F32:     return true;
+        case GrColorType::kRGB_ETC1:     return false;
     }
     SK_ABORT("Invalid GrColorType");
     return false;