You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
275 lines
7.8 KiB
275 lines
7.8 KiB
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
|
|
*
|
|
* Not a Contribution, Apache license notifications and license are retained
|
|
* for attribution purposes only.
|
|
*
|
|
* 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_COPYBIT_INTERFACE_H
|
|
#define ANDROID_COPYBIT_INTERFACE_H
|
|
|
|
#include <hardware/hardware.h>
|
|
|
|
#include <stdint.h>
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/**
|
|
* The id of this module
|
|
*/
|
|
#define COPYBIT_HARDWARE_MODULE_ID "copybit"
|
|
|
|
/**
|
|
* Name of the graphics device to open
|
|
*/
|
|
#define COPYBIT_HARDWARE_COPYBIT0 "copybit0"
|
|
|
|
/* supported pixel-formats. these must be compatible with
|
|
* graphics/PixelFormat.java, ui/PixelFormat.h, pixelflinger/format.h
|
|
*/
|
|
enum {
|
|
COPYBIT_FORMAT_RGBA_8888 = HAL_PIXEL_FORMAT_RGBA_8888,
|
|
COPYBIT_FORMAT_RGBX_8888 = HAL_PIXEL_FORMAT_RGBX_8888,
|
|
COPYBIT_FORMAT_RGB_888 = HAL_PIXEL_FORMAT_RGB_888,
|
|
COPYBIT_FORMAT_RGB_565 = HAL_PIXEL_FORMAT_RGB_565,
|
|
COPYBIT_FORMAT_BGRA_8888 = HAL_PIXEL_FORMAT_BGRA_8888,
|
|
COPYBIT_FORMAT_YCbCr_422_SP = 0x10,
|
|
COPYBIT_FORMAT_YCrCb_420_SP = 0x11,
|
|
};
|
|
|
|
/* name for copybit_set_parameter */
|
|
enum {
|
|
/* Default blit destination is offline buffer */
|
|
/* clients to set this to '1', if blitting to framebuffer */
|
|
/* and reset to '0', after calling blit/stretch */
|
|
COPYBIT_BLIT_TO_FRAMEBUFFER = 0,
|
|
/* 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,
|
|
/* blurs the copied bitmap. The amount of blurring cannot be changed
|
|
* at this time. */
|
|
COPYBIT_BLUR = 5,
|
|
/* Blend mode */
|
|
COPYBIT_BLEND_MODE = 6,
|
|
/* FB width */
|
|
COPYBIT_FRAMEBUFFER_WIDTH = 7,
|
|
/* FB height */
|
|
COPYBIT_FRAMEBUFFER_HEIGHT = 8,
|
|
};
|
|
|
|
/* values for copybit_set_parameter(COPYBIT_TRANSFORM) */
|
|
enum {
|
|
/* flip source image horizontally */
|
|
COPYBIT_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H,
|
|
/* flip source image vertically */
|
|
COPYBIT_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V,
|
|
/* rotate source image 90 degres */
|
|
COPYBIT_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90,
|
|
/* rotate source image 180 degres */
|
|
COPYBIT_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180,
|
|
/* rotate source image 270 degres */
|
|
COPYBIT_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270,
|
|
};
|
|
|
|
/* enable/disable value copybit_set_parameter */
|
|
enum {
|
|
COPYBIT_DISABLE = 0,
|
|
COPYBIT_ENABLE = 1
|
|
};
|
|
|
|
/*
|
|
* copybit blending values. same as HWC blending values
|
|
*/
|
|
enum {
|
|
/* no blending */
|
|
COPYBIT_BLENDING_NONE = 0x0100,
|
|
|
|
/* ONE / ONE_MINUS_SRC_ALPHA */
|
|
COPYBIT_BLENDING_PREMULT = 0x0105,
|
|
|
|
/* SRC_ALPHA / ONE_MINUS_SRC_ALPHA */
|
|
COPYBIT_BLENDING_COVERAGE = 0x0405
|
|
};
|
|
|
|
/* use get_static_info() 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,
|
|
};
|
|
|
|
/* Image structure */
|
|
struct copybit_image_t {
|
|
/* width */
|
|
uint32_t w;
|
|
/* height */
|
|
uint32_t h;
|
|
/* format COPYBIT_FORMAT_xxx */
|
|
int32_t format;
|
|
/* base of buffer with image */
|
|
void *base;
|
|
/* handle to the image */
|
|
native_handle_t* handle;
|
|
/* number of pixels added for the stride */
|
|
uint32_t horiz_padding;
|
|
/* number of pixels added for the vertical stride */
|
|
uint32_t vert_padding;
|
|
};
|
|
|
|
/* Rectangle */
|
|
struct copybit_rect_t {
|
|
/* left */
|
|
int l;
|
|
/* top */
|
|
int t;
|
|
/* right */
|
|
int r;
|
|
/* bottom */
|
|
int b;
|
|
};
|
|
|
|
/* Region */
|
|
struct copybit_region_t {
|
|
int (*next)(struct copybit_region_t const *region, struct copybit_rect_t *rect);
|
|
};
|
|
|
|
/**
|
|
* Every hardware module must have a data structure named HAL_MODULE_INFO_SYM
|
|
* and the fields of this data structure must begin with hw_module_t
|
|
* followed by module specific information.
|
|
*/
|
|
struct copybit_module_t {
|
|
struct hw_module_t common;
|
|
};
|
|
|
|
/**
|
|
* Every device data structure must begin with hw_device_t
|
|
* followed by module specific public methods and attributes.
|
|
*/
|
|
struct copybit_device_t {
|
|
struct hw_device_t common;
|
|
|
|
/**
|
|
* Set a copybit parameter.
|
|
*
|
|
* @param dev from open
|
|
* @param name one for the COPYBIT_NAME_xxx
|
|
* @param value one of the COPYBIT_VALUE_xxx
|
|
*
|
|
* @return 0 if successful
|
|
*/
|
|
int (*set_parameter)(struct copybit_device_t *dev, int name, int value);
|
|
|
|
/**
|
|
* Get a static copybit information.
|
|
*
|
|
* @param dev from open
|
|
* @param name one of the COPYBIT_STATIC_xxx
|
|
*
|
|
* @return value or -EINVAL if error
|
|
*/
|
|
int (*get)(struct copybit_device_t *dev, int name);
|
|
|
|
/**
|
|
* Execute the bit blit copy operation
|
|
*
|
|
* @param dev from open
|
|
* @param dst is the destination image
|
|
* @param src is the source image
|
|
* @param region the clip region
|
|
*
|
|
* @return 0 if successful
|
|
*/
|
|
int (*blit)(struct copybit_device_t *dev,
|
|
struct copybit_image_t const *dst,
|
|
struct copybit_image_t const *src,
|
|
struct copybit_region_t const *region);
|
|
|
|
/**
|
|
* Execute the stretch bit blit copy operation
|
|
*
|
|
* @param dev from open
|
|
* @param dst is the destination image
|
|
* @param src is the source image
|
|
* @param dst_rect is the destination rectangle
|
|
* @param src_rect is the source rectangle
|
|
* @param region the clip region
|
|
*
|
|
* @return 0 if successful
|
|
*/
|
|
int (*stretch)(struct copybit_device_t *dev,
|
|
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);
|
|
|
|
/**
|
|
* Execute the completion of the copybit draw operation.
|
|
*
|
|
* @param dev from open
|
|
*
|
|
* @return 0 if successful
|
|
*/
|
|
int (*finish)(struct copybit_device_t *dev);
|
|
|
|
/**
|
|
* Trigger the copybit draw operation(async).
|
|
*
|
|
* @param dev from open
|
|
*
|
|
* @param fd - gets the fencefd
|
|
*
|
|
* @return 0 if successful
|
|
*/
|
|
int (*flush_get_fence)(struct copybit_device_t *dev, int* fd);
|
|
|
|
/* Clears the buffer
|
|
*/
|
|
int (*clear)(struct copybit_device_t *dev, struct copybit_image_t const *buf,
|
|
struct copybit_rect_t *rect);
|
|
};
|
|
|
|
|
|
/** convenience API for opening and closing a device */
|
|
|
|
static inline int copybit_open(const struct hw_module_t* module,
|
|
struct copybit_device_t** device) {
|
|
return module->methods->open(module,
|
|
COPYBIT_HARDWARE_COPYBIT0, (struct hw_device_t**)device);
|
|
}
|
|
|
|
static inline int copybit_close(struct copybit_device_t* device) {
|
|
return device->common.close(&device->common);
|
|
}
|
|
|
|
|
|
__END_DECLS
|
|
|
|
#endif // ANDROID_COPYBIT_INTERFACE_H
|