commit c2ee2ccbc79c851aeedffdd6db296d2b775c7e58
author Tim Van Patten <timvp@google.com> Fri Jan 11 10:39:15 2019 -0700
committer Commit Bot <commit-bot@chromium.org> Mon Jan 14 22:37:11 2019 +0000
tree 45d6f88dbb065f575e5daaf70da01f93aad9ea56
parent 9567b0c5720d6f5bc9fd58410f9208bcf6c879f6

Vulkan: Don't support EGL_SWAP_BEHAVIOR_PRESERVED_BIT

dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#no_draw
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#post_clear
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#post_render
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#pre_clear
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#pre_clear_post_clear
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#pre_clear_post_render
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#pre_render
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#pre_render_post_clear
dEQP-EGL.functional.preserve_swap.preserve.no_read_before_swap#pre_render_post_render

Bug: angleproject:3051 angleproject:2716
Change-Id: I3607f45cd2f447fb0a95f91ffd9aa93000dfa18c
Reviewed-on: https://chromium-review.googlesource.com/c/1407248
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Tim Van Patten <timvp@google.com>

src/libANGLE/renderer/vulkan/SurfaceVk.cpp

diff --git a/src/libANGLE/renderer/vulkan/SurfaceVk.cpp b/src/libANGLE/renderer/vulkan/SurfaceVk.cpp
index 317a058..d0076ce 100644
--- a/src/libANGLE/renderer/vulkan/SurfaceVk.cpp
+++ b/src/libANGLE/renderer/vulkan/SurfaceVk.cpp
@@ -224,7 +224,7 @@
 
 EGLint OffscreenSurfaceVk::getSwapBehavior() const
 {
-    return EGL_BUFFER_PRESERVED;
+    return EGL_BUFFER_DESTROYED;
 }
 
 angle::Result OffscreenSurfaceVk::getAttachmentRenderTarget(

src/libANGLE/renderer/vulkan/vk_caps_utils.cpp

diff --git a/src/libANGLE/renderer/vulkan/vk_caps_utils.cpp b/src/libANGLE/renderer/vulkan/vk_caps_utils.cpp
index c27563d..eab9fb5 100644
--- a/src/libANGLE/renderer/vulkan/vk_caps_utils.cpp
+++ b/src/libANGLE/renderer/vulkan/vk_caps_utils.cpp
@@ -253,7 +253,7 @@
     config.renderableType     = es2Support | es3Support;
     config.sampleBuffers      = (sampleCount > 0) ? 1 : 0;
     config.samples            = sampleCount;
-    config.surfaceType        = EGL_WINDOW_BIT | EGL_PBUFFER_BIT | EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
+    config.surfaceType        = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
     // Vulkan surfaces use a different origin than OpenGL, always prefer to be flipped vertically if
     // possible.
     config.optimalOrientation    = EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE;