Adds a mechanism for GrCacheable objects to notify the resource cache
when their size has changed. GrResourceCacheEntry now holds a
reference to the cache, and a cached value of the resource's most
recent size.
Also utilizes this new functionality for mipmaps, and adds a test for
changing resource sizes.
R=bsalomon@google.com, robertphillips@google.com
Author: cdalton@nvidia.com
Review URL: https://codereview.chromium.org/257093002
git-svn-id: http://skia.googlecode.com/svn/trunk@14576 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrTexture.cpp b/src/gpu/GrTexture.cpp
index f851515..3186d89 100644
--- a/src/gpu/GrTexture.cpp
+++ b/src/gpu/GrTexture.cpp
@@ -44,6 +44,33 @@
this->INHERITED::internal_dispose();
}
+void GrTexture::dirtyMipMaps(bool mipMapsDirty) {
+ if (mipMapsDirty) {
+ if (kValid_MipMapsStatus == fMipMapsStatus) {
+ fMipMapsStatus = kAllocated_MipMapsStatus;
+ }
+ } else {
+ const bool sizeChanged = kNotAllocated_MipMapsStatus == fMipMapsStatus;
+ fMipMapsStatus = kValid_MipMapsStatus;
+ if (sizeChanged) {
+ // This must not be called until after changing fMipMapsStatus.
+ this->didChangeGpuMemorySize();
+ }
+ }
+}
+
+size_t GrTexture::gpuMemorySize() const {
+ size_t textureSize = (size_t) fDesc.fWidth *
+ fDesc.fHeight *
+ GrBytesPerPixel(fDesc.fConfig);
+ if (kNotAllocated_MipMapsStatus != fMipMapsStatus) {
+ // We don't have to worry about the mipmaps being a different size than
+ // we'd expect because we never change fDesc.fWidth/fHeight.
+ textureSize *= 2;
+ }
+ return textureSize;
+}
+
bool GrTexture::readPixels(int left, int top, int width, int height,
GrPixelConfig config, void* buffer,
size_t rowBytes, uint32_t pixelOpsFlags) {