Add astcbitmap to gm slides.
Add additional ASTC formats.
Add astc image decoder files.
R=reed@google.com, robertphillips@google.com, halcanary@google.com
Author: krajcevski@google.com
Review URL: https://codereview.chromium.org/444093002
diff --git a/gm/astcbitmap.cpp b/gm/astcbitmap.cpp
new file mode 100644
index 0000000..3c9079c
--- /dev/null
+++ b/gm/astcbitmap.cpp
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+
+#include "Resources.h"
+#include "SkCanvas.h"
+#include "SkData.h"
+#include "SkDecodingImageGenerator.h"
+#include "SkImageDecoder.h"
+#include "SkOSFile.h"
+#include "SkTextureCompressor.h"
+
+static const char *kASTCFilenames[] = {
+ "mandrill_128x128_4x4.astc", // kASTC_4x4_Format
+ "mandrill_130x128_5x4.astc", // kASTC_5x4_Format
+ "mandrill_130x130_5x5.astc", // kASTC_5x5_Format
+ "mandrill_132x130_6x5.astc", // kASTC_6x5_Format
+ "mandrill_132x132_6x6.astc", // kASTC_6x6_Format
+ "mandrill_128x130_8x5.astc", // kASTC_8x5_Format
+ "mandrill_128x132_8x6.astc", // kASTC_8x6_Format
+ "mandrill_128x128_8x8.astc", // kASTC_8x8_Format
+ "mandrill_130x130_10x5.astc", // kASTC_10x5_Format
+ "mandrill_130x132_10x6.astc", // kASTC_10x6_Format
+ "mandrill_130x128_10x8.astc", // kASTC_10x8_Format
+ "mandrill_130x130_10x10.astc", // kASTC_10x10_Format
+ "mandrill_132x130_12x10.astc", // kASTC_12x10_Format
+ "mandrill_132x132_12x12.astc", // kASTC_12x12_Format
+};
+
+static const int kNumASTCFilenames = SK_ARRAY_COUNT(kASTCFilenames);
+
+static inline const char *get_astc_filename(int idx) {
+ if (idx < 0 || kNumASTCFilenames <= idx) {
+ return "";
+ }
+
+ return kASTCFilenames[idx];
+}
+
+namespace skiagm {
+
+/**
+ * Test decoding an image from an ASTC file and then from compressed ASTC data.
+ */
+class ASTCBitmapGM : public GM {
+public:
+ ASTCBitmapGM() { }
+ virtual ~ASTCBitmapGM() { }
+
+protected:
+ virtual SkString onShortName() SK_OVERRIDE {
+ return SkString("astcbitmap");
+ }
+
+ virtual SkISize onISize() SK_OVERRIDE {
+ return SkISize::Make(kGMDimension, kGMDimension);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ for (int j = 0; j < 4; ++j) {
+ for (int i = 0; i < 4; ++i) {
+ SkString filename = GetResourcePath(get_astc_filename(j*4+i));
+ if (filename == GetResourcePath("")) {
+ continue;
+ }
+
+ SkAutoTUnref<SkData> fileData(SkData::NewFromFileName(filename.c_str()));
+ if (NULL == fileData) {
+ SkDebugf("Could not open the file. Did you forget to set the resourcePath?\n");
+ return;
+ }
+
+ SkBitmap bm;
+ if (!SkInstallDiscardablePixelRef(
+ SkDecodingImageGenerator::Create(
+ fileData, SkDecodingImageGenerator::Options()), &bm)) {
+ SkDebugf("Could not install discardable pixel ref.\n");
+ return;
+ }
+
+ const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension);
+ const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension);
+ canvas->drawBitmap(bm, bmX, bmY);
+ }
+ }
+ }
+
+private:
+ static const int kGMDimension = 600;
+ static const int kBitmapDimension = kGMDimension/4;
+
+ typedef GM INHERITED;
+};
+
+} // namespace skiagm
+
+//////////////////////////////////////////////////////////////////////////////
+
+DEF_GM( return SkNEW(skiagm::ASTCBitmapGM); )