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authorGravatar sugoi <sugoi@chromium.org>2014-07-21 11:37:39 -0700
committerGravatar Commit bot <commit-bot@chromium.org>2014-07-21 11:37:39 -0700
commit518d83dbc1c899e316e8c896af5defb58b83120f (patch)
tree035e0e6b97af79dc24037c647f6093ad9b33f9a9 /src/core/SkImageGenerator.cpp
parent02cafcc1bf6e2968c2efdf459871167970da150e (diff)
Skia side RGB to YUV gpu conversion
This code is the one that's currently working in my local chromium build. A few things still need to be addressed and I'll highlight these directly in the code. BUG=skia: R=reed@google.com, bsalomon@google.com, senorblanco@google.com, senorblanco@chromium.org, robertphillips@google.com, scroggo@google.com, halcanary@google.com Author: sugoi@chromium.org Review URL: https://codereview.chromium.org/374743003
Diffstat (limited to 'src/core/SkImageGenerator.cpp')
-rw-r--r--src/core/SkImageGenerator.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/core/SkImageGenerator.cpp b/src/core/SkImageGenerator.cpp
index daa55a3a4d..551d8f78dc 100644
--- a/src/core/SkImageGenerator.cpp
+++ b/src/core/SkImageGenerator.cpp
@@ -57,6 +57,45 @@ bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t r
}
#endif
+bool SkImageGenerator::getYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3]) {
+#ifdef SK_DEBUG
+ // In all cases, we need the sizes array
+ SkASSERT(NULL != sizes);
+
+ bool isValidWithPlanes = (NULL != planes) && (NULL != rowBytes) &&
+ ((NULL != planes[0]) && (NULL != planes[1]) && (NULL != planes[2]) &&
+ (0 != rowBytes[0]) && (0 != rowBytes[1]) && (0 != rowBytes[2]));
+ bool isValidWithoutPlanes =
+ ((NULL == planes) ||
+ ((NULL == planes[0]) && (NULL == planes[1]) && (NULL == planes[2]))) &&
+ ((NULL == rowBytes) ||
+ ((0 == rowBytes[0]) && (0 == rowBytes[1]) && (0 == rowBytes[2])));
+
+ // Either we have all planes and rowBytes information or we have none of it
+ // Having only partial information is not supported
+ SkASSERT(isValidWithPlanes || isValidWithoutPlanes);
+
+ // If we do have planes information, make sure all sizes are non 0
+ // and all rowBytes are valid
+ SkASSERT(!isValidWithPlanes ||
+ ((sizes[0].fWidth >= 0) &&
+ (sizes[0].fHeight >= 0) &&
+ (sizes[1].fWidth >= 0) &&
+ (sizes[1].fHeight >= 0) &&
+ (sizes[2].fWidth >= 0) &&
+ (sizes[2].fHeight >= 0) &&
+ (rowBytes[0] >= (size_t)sizes[0].fWidth) &&
+ (rowBytes[1] >= (size_t)sizes[1].fWidth) &&
+ (rowBytes[2] >= (size_t)sizes[2].fWidth)));
+#endif
+
+ return this->onGetYUV8Planes(sizes, planes, rowBytes);
+}
+
+bool SkImageGenerator::onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3]) {
+ return false;
+}
+
/////////////////////////////////////////////////////////////////////////////////////////////
SkData* SkImageGenerator::onRefEncodedData() {