Initial Contribution
diff --git a/include/ui/BlitHardware.h b/include/ui/BlitHardware.h
new file mode 100644
index 0000000..4de1c12
--- /dev/null
+++ b/include/ui/BlitHardware.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+
+#ifndef ANDROID_BLIT_HARDWARE_H
+#define ANDROID_BLIT_HARDWARE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+/******************************************************************************/
+
+/* supported pixel-formats. these must be compatible with
+ * graphics/PixelFormat.java, ui/PixelFormat.h, pixelflinger/format.h
+ */
+
+enum
+{
+ COPYBIT_RGBA_8888 = 1,
+ COPYBIT_RGB_565 = 4,
+ COPYBIT_RGBA_5551 = 6,
+ COPYBIT_RGBA_4444 = 7,
+ COPYBIT_YCbCr_422_SP = 0x10,
+ COPYBIT_YCbCr_420_SP = 0x11
+};
+
+/* name for copybit_set_parameter */
+enum
+{
+ /* rotation of the source image in degrees (0 to 359) */
+ COPYBIT_ROTATION_DEG = 1,
+ /* plane alpha value */
+ COPYBIT_PLANE_ALPHA = 2,
+ /* enable or disable dithering */
+ COPYBIT_DITHER = 3,
+ /* transformation applied (this is a superset of COPYBIT_ROTATION_DEG) */
+ COPYBIT_TRANSFORM = 4,
+};
+
+/* values for copybit_set_parameter(COPYBIT_TRANSFORM) */
+enum {
+ /* flip source image horizontally */
+ COPYBIT_TRANSFORM_FLIP_H = 0x01,
+ /* flip source image vertically */
+ COPYBIT_TRANSFORM_FLIP_V = 0x02,
+ /* rotate source image 90 degres */
+ COPYBIT_TRANSFORM_ROT_90 = 0x04,
+ /* rotate source image 180 degres */
+ COPYBIT_TRANSFORM_ROT_180 = 0x03,
+ /* rotate source image 270 degres */
+ COPYBIT_TRANSFORM_ROT_270 = 0x07,
+};
+
+/* enable/disable value copybit_set_parameter */
+enum {
+ COPYBIT_DISABLE = 0,
+ COPYBIT_ENABLE = 1
+};
+
+/* use get() to query static informations about the hardware */
+enum {
+ /* Maximum amount of minification supported by the hardware*/
+ COPYBIT_MINIFICATION_LIMIT = 1,
+ /* Maximum amount of magnification supported by the hardware */
+ COPYBIT_MAGNIFICATION_LIMIT = 2,
+ /* Number of fractional bits support by the scaling engine */
+ COPYBIT_SCALING_FRAC_BITS = 3,
+ /* Supported rotation step in degres. */
+ COPYBIT_ROTATION_STEP_DEG = 4,
+};
+
+struct copybit_image_t {
+ uint32_t w;
+ uint32_t h;
+ int32_t format;
+ uint32_t offset;
+ void* base;
+ int fd;
+};
+
+
+struct copybit_rect_t {
+ int l;
+ int t;
+ int r;
+ int b;
+};
+
+struct copybit_region_t {
+ int (*next)(copybit_region_t const*, copybit_rect_t* rect);
+};
+
+struct copybit_t
+{
+ int (*set_parameter)(struct copybit_t* handle, int name, int value);
+
+ int (*get)(struct copybit_t* handle, int name);
+
+ int (*blit)(
+ struct copybit_t* handle,
+ struct copybit_image_t const* dst,
+ struct copybit_image_t const* src,
+ struct copybit_region_t const* region);
+
+ int (*stretch)(
+ struct copybit_t* handle,
+ struct copybit_image_t const* dst,
+ struct copybit_image_t const* src,
+ struct copybit_rect_t const* dst_rect,
+ struct copybit_rect_t const* src_rect,
+ struct copybit_region_t const* region);
+};
+
+/******************************************************************************/
+
+struct copybit_t* copybit_init();
+
+int copybit_term(struct copybit_t* handle);
+
+
+/******************************************************************************/
+
+#if __cplusplus
+} // extern "C"
+#endif
+
+#endif // ANDROID_BLIT_HARDWARE_H