Put clear and discard into GrBatch.
Review URL: https://codereview.chromium.org/1293563003
diff --git a/src/gpu/batches/GrClearBatch.h b/src/gpu/batches/GrClearBatch.h
new file mode 100644
index 0000000..b36a53f
--- /dev/null
+++ b/src/gpu/batches/GrClearBatch.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrClearBatch_DEFINED
+#define GrClearBatch_DEFINED
+
+#include "GrBatch.h"
+#include "GrBatchFlushState.h"
+#include "GrGpu.h"
+#include "GrRenderTarget.h"
+
+class GrClearBatch final : public GrBatch {
+public:
+ GrClearBatch(const SkIRect& rect, GrColor color, GrRenderTarget* rt)
+ : fRect(rect)
+ , fColor(color)
+ , fRenderTarget(rt) {
+ this->initClassID<GrClearBatch>();
+ fBounds = SkRect::Make(rect);
+ }
+
+ const char* name() const override { return "Clear"; }
+
+ uint32_t renderTargetUniqueID() const override { return fRenderTarget.get()->getUniqueID(); }
+
+ SkString dumpInfo() const {
+ SkString string;
+ string.printf("Color: 0x%08x, Rect [L: %d, T: %d, R: %d, B: %d], RT: 0x%p",
+ fColor, fRect.fLeft, fRect.fTop, fRect.fRight, fRect.fBottom,
+ fRenderTarget.get());
+ return string;
+ }
+
+private:
+ bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+ // We could combine clears. TBD how much complexity to put here.
+ return false;
+ }
+
+ void onPrepare(GrBatchFlushState*) override {}
+
+ void onDraw(GrBatchFlushState* state) override {
+ state->gpu()->clear(fRect, fColor, fRenderTarget.get());
+ }
+
+ SkIRect fRect;
+ GrColor fColor;
+ GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> fRenderTarget;
+};
+
+#endif