1 files changed, 143 insertions, 0 deletions
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