Hardware Composer new and refactored test cases

Change-Id: Iabf46fc5d75891f917e06a257470a0e3f2bd3c95
diff --git a/opengl/tests/hwc/hwcTestLib.h b/opengl/tests/hwc/hwcTestLib.h
new file mode 100644
index 0000000..e19e163
--- /dev/null
+++ b/opengl/tests/hwc/hwcTestLib.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/*
+ * Hardware Composer Test Library Header
+ */
+
+#include <sstream>
+#include <string>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <ui/FramebufferNativeWindow.h>
+#include <ui/GraphicBuffer.h>
+#include <ui/EGLUtils.h>
+
+#include <utils/Log.h>
+#include <testUtil.h>
+
+#include <hardware/hwcomposer.h>
+
+// Characteristics of known graphic formats
+const struct hwcTestGraphicFormat {
+    uint32_t format;
+    const char *desc;
+    uint32_t wMod, hMod; // Width/height mod this value must equal zero
+} hwcTestGraphicFormat[] = {
+    {HAL_PIXEL_FORMAT_RGBA_8888, "RGBA8888", 1, 1},
+    {HAL_PIXEL_FORMAT_RGBX_8888, "RGBX8888", 1, 1},
+    {HAL_PIXEL_FORMAT_RGB_888,   "RGB888",   1, 1},
+    {HAL_PIXEL_FORMAT_RGB_565,   "RGB565",   1, 1},
+    {HAL_PIXEL_FORMAT_BGRA_8888, "BGRA8888", 1, 1},
+    {HAL_PIXEL_FORMAT_RGBA_5551, "RGBA5551", 1, 1},
+    {HAL_PIXEL_FORMAT_RGBA_4444, "RGBA4444", 1, 1},
+    {HAL_PIXEL_FORMAT_YV12,      "YV12",     2, 2},
+};
+
+// Represent RGB color as fraction of color components.
+// Each of the color components are expected in the range [0.0, 1.0]
+class ColorFract {
+  public:
+    ColorFract(): _c1(0.0), _c2(0.0), _c3(0.0) {};
+    ColorFract(float c1, float c2, float c3): _c1(c1), _c2(c2), _c3(c3) {};
+    float c1(void) const { return _c1; }
+    float c2(void) const { return _c2; }
+    float c3(void) const { return _c3; }
+
+    operator std::string();
+
+  private:
+    float _c1;
+    float _c2;
+    float _c3;
+};
+
+// Represent RGB color as fraction of color components.
+// Each of the color components are expected in the range [0.0, 1.0]
+class ColorRGB {
+  public:
+    ColorRGB(): _r(0.0), _g(0.0), _b(0.0) {};
+    ColorRGB(float f): _r(f), _g(f), _b(f) {}; // Gray
+    ColorRGB(float r, float g, float b): _r(r), _g(g), _b(b) {};
+    float r(void) const { return _r; }
+    float g(void) const { return _g; }
+    float b(void) const { return _b; }
+
+  private:
+    float _r;
+    float _g;
+    float _b;
+};
+
+// Dimension - width and height of a rectanguler area
+class HwcTestDim {
+  public:
+    HwcTestDim(): _w(0), _h(0) {};
+    HwcTestDim(uint32_t w, uint32_t h) : _w(w), _h(h) {}
+    uint32_t width(void) const { return _w; }
+    uint32_t height(void) const { return _h; }
+    void setWidth(uint32_t w) { _w = w; }
+    void setHeight(uint32_t h) { _h = h; }
+
+    operator std::string();
+
+  private:
+    uint32_t _w;
+    uint32_t _h;
+};
+
+// Function Prototypes
+void hwcTestInitDisplay(bool verbose, EGLDisplay *dpy, EGLSurface *surface,
+    EGLint *width, EGLint *height);
+void hwcTestOpenHwc(hwc_composer_device_t **hwcDevicePtr);
+const struct hwcTestGraphicFormat *hwcTestGraphicFormatLookup(const char *desc);
+const char *hwcTestGraphicFormat2str(uint32_t format);
+std::string hwcTestRect2str(const struct hwc_rect& rect);
+
+hwc_layer_list_t *hwcTestCreateLayerList(size_t numLayers);
+void hwcTestFreeLayerList(hwc_layer_list_t *list);
+void hwcTestDisplayList(hwc_layer_list_t *list);
+void hwcTestDisplayListPrepareModifiable(hwc_layer_list_t *list);
+void hwcTestDisplayListHandles(hwc_layer_list_t *list);
+
+uint32_t hwcTestColor2Pixel(uint32_t format, ColorFract color, float alpha);
+void hwcTestColorConvert(uint32_t fromFormat, uint32_t toFormat,
+                  ColorFract& color);
+void hwcTestSetPixel(android::GraphicBuffer *gBuf, unsigned char *buf,
+                     uint32_t x, uint32_t y, uint32_t pixel);
+void hwcTestFillColor(android::GraphicBuffer *gBuf, ColorFract color,
+                      float alpha);
+void hwcTestFillColorHBlend(android::GraphicBuffer *gBuf,
+                            uint32_t colorFormat,
+                            ColorFract startColor, ColorFract endColor);
+ColorFract hwcTestParseColor(std::istringstream& in, bool& error);
+struct hwc_rect hwcTestParseHwcRect(std::istringstream& in, bool& error);
+HwcTestDim hwcTestParseDim(std::istringstream& in, bool& error);