move render target decls / defs to their own headers / srcs
Review URL: http://codereview.appspot.com/4806058/
git-svn-id: http://skia.googlecode.com/svn/trunk@1995 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrRenderTarget.cpp b/gpu/src/GrRenderTarget.cpp
new file mode 100644
index 0000000..186fe8e
--- /dev/null
+++ b/gpu/src/GrRenderTarget.cpp
@@ -0,0 +1,58 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "GrRenderTarget.h"
+
+#include "GrContext.h"
+#include "GrGpu.h"
+
+bool GrRenderTarget::readPixels(int left, int top, int width, int height,
+ GrPixelConfig config, void* buffer) {
+ // go through context so that all necessary flushing occurs
+ GrContext* context = this->getGpu()->getContext();
+ GrAssert(NULL != context);
+ return context->readRenderTargetPixels(this,
+ left, top,
+ width, height,
+ config, buffer);
+}
+
+size_t GrRenderTarget::sizeInBytes() const {
+ int colorBits;
+ if (kUnknown_GrPixelConfig == fConfig) {
+ colorBits = 32; // don't know, make a guess
+ } else {
+ colorBits = GrBytesPerPixel(fConfig);
+ }
+ return fWidth * fHeight * (fStencilBits + colorBits);
+}
+
+void GrRenderTarget::flagAsNeedingResolve(const GrIRect* rect) {
+ if (kCanResolve_ResolveType == getResolveType()) {
+ if (NULL != rect) {
+ fResolveRect.join(*rect);
+ if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
+ fResolveRect.setEmpty();
+ }
+ } else {
+ fResolveRect.setLTRB(0, 0, this->width(), this->height());
+ }
+ }
+}
+
+void GrRenderTarget::overrideResolveRect(const GrIRect rect) {
+ fResolveRect = rect;
+ if (fResolveRect.isEmpty()) {
+ fResolveRect.setLargestInverted();
+ } else {
+ if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
+ fResolveRect.setLargestInverted();
+ }
+ }
+}
\ No newline at end of file