dm is like gm, but faster and with fewer features.

This is sort of the near-minimal proof-of-concept skeleton.

  - It can run existing GMs.
  - It supports most configs (just not PDF).
  - --replay is the only "fancy" feature it currently supports

Hopefully you will be disturbed by its speed.

BUG=
R=epoger@google.com

Review URL: https://codereview.chromium.org/22839016

git-svn-id: http://skia.googlecode.com/svn/trunk@11802 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 28 insertions, 0 deletions

diff --git a/dm/DMTaskRunner.h b/dm/DMTaskRunner.h
new file mode 100644
index 0000000000..5d7b320d6c
--- /dev/null
+++ b/dm/DMTaskRunner.h
@@ -0,0 +1,28 @@
+#ifndef DMTaskRunner_DEFINED
+#define DMTaskRunner_DEFINED
+
+#include "SkThreadPool.h"
+#include "SkTypes.h"
+
+// TaskRunner runs Tasks on one of two threadpools depending on the Task's usesGpu() method.
+// This lets us drive the GPU with a small number of threads (e.g. 2 or 4 can be faster than 1)
+// while not swamping it with requests from the full fleet of threads that CPU-bound tasks run on.
+
+namespace DM {
+
+class Task;
+
+class TaskRunner : SkNoncopyable {
+public:
+    TaskRunner(int cputhreads, int gpuThreads);
+
+    void add(Task* task);
+    void wait();
+
+private:
+    SkThreadPool fMain, fGpu;
+};
+
+}  // namespace DM
+
+#endif  // DMTaskRunner_DEFINED