commit 4a298703cdf6e1e399126476dfc138e39af67056
author Geoff Lang <geofflang@chromium.org> Fri Jan 18 10:49:36 2019 -0500
committer Commit Bot <commit-bot@chromium.org> Tue Feb 12 20:02:23 2019 +0000
tree 945113f11020d74eb64bffd1d5a53affe5c56f10
parent 199a9f385f5489b957fe1e42bf08f3f40edd38ca

Vulkan: Support creating EGL images from non-zero mipmaps of textures.

Store a mip offset in TextureVK to apply to all operations on the ImageHelper.

There is no need to store the mip offset in RenderbufferVk because it creates
the resource with the mip offset on the call to setStorageEGLImageTarget.

Store a mipmap level in the RenderTargetVk object so that clear operations
will target the correct mipmap of the image.

BUG=angleproject:2668

Change-Id: Ie976e3dd3a8de8135a7fbb8c84bd51eec0dddce8
Reviewed-on: https://chromium-review.googlesource.com/c/1422059
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/renderer/vulkan/FramebufferVk.cpp

diff --git a/src/libANGLE/renderer/vulkan/FramebufferVk.cpp b/src/libANGLE/renderer/vulkan/FramebufferVk.cpp
index f349e9c..00339a4 100644
--- a/src/libANGLE/renderer/vulkan/FramebufferVk.cpp
+++ b/src/libANGLE/renderer/vulkan/FramebufferVk.cpp
@@ -297,10 +297,9 @@
 
         ASSERT(colorRenderTarget);
         vk::ImageHelper *image = colorRenderTarget->getImageForWrite(&mFramebuffer);
-        GLint mipLevelToClear  = (attachment->type() == GL_TEXTURE) ? attachment->mipLevel() : 0;
 
         // If we're clearing a cube map face ensure we only clear the selected layer.
-        image->clearColorLayer(modifiedClearColorValue, mipLevelToClear, 1,
+        image->clearColorLayer(modifiedClearColorValue, colorRenderTarget->getLevelIndex(), 1,
                                colorRenderTarget->getLayerIndex(), 1, commandBuffer);
     }
 
@@ -1138,7 +1137,7 @@
     region.imageSubresource.aspectMask     = copyAspectFlags;
     region.imageSubresource.baseArrayLayer = renderTarget->getLayerIndex();
     region.imageSubresource.layerCount     = 1;
-    region.imageSubresource.mipLevel       = 0;
+    region.imageSubresource.mipLevel       = renderTarget->getLevelIndex();
 
     commandBuffer->copyImageToBuffer(srcImage->getImage(), srcImage->getCurrentLayout(),
                                      bufferHandle, 1, &region);