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/**
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
#ifndef BCM_VC_IV_H
#define BCM_VC_IV_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
typedef uint32_t DISPMANX_PROTECTION_T;
typedef uint32_t DISPMANX_RESOURCE_HANDLE_T;
typedef uint32_t DISPMANX_DISPLAY_HANDLE_T;
typedef uint32_t DISPMANX_UPDATE_HANDLE_T;
typedef uint32_t DISPMANX_ELEMENT_HANDLE_T;
#define DISPMANX_NO_HANDLE 0
#define DISPMANX_PROTECTION_MAX 0x0f
#define DISPMANX_PROTECTION_NONE 0
#define DISPMANX_PROTECTION_HDCP 11 // Derived from the WM DRM levels, 101-300
/* Default display IDs.
Note: if you overwrite with you own dispmanx_platfrom_init function, you
should use IDs you provided during dispmanx_display_attach.
*/
#define DISPMANX_ID_MAIN_LCD 0
#define DISPMANX_ID_AUX_LCD 1
#define DISPMANX_ID_HDMI 2
#define DISPMANX_ID_SDTV 3
/* Return codes. Nonzero ones indicate failure. */
typedef enum {
DISPMANX_SUCCESS = 0,
DISPMANX_INVALID = -1
/* XXX others TBA */
} DISPMANX_STATUS_T;
typedef enum {
/* Bottom 2 bits sets the orientation */
DISPMANX_NO_ROTATE = 0,
DISPMANX_ROTATE_90 = 1,
DISPMANX_ROTATE_180 = 2,
DISPMANX_ROTATE_270 = 3,
DISPMANX_FLIP_HRIZ = 1 << 16,
DISPMANX_FLIP_VERT = 1 << 17
} DISPMANX_TRANSFORM_T;
typedef enum {
/* Bottom 2 bits sets the alpha mode */
DISPMANX_FLAGS_ALPHA_FROM_SOURCE = 0,
DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS = 1,
DISPMANX_FLAGS_ALPHA_FIXED_NON_ZERO = 2,
DISPMANX_FLAGS_ALPHA_FIXED_EXCEED_0X07 = 3,
DISPMANX_FLAGS_ALPHA_PREMULT = 1 << 16,
DISPMANX_FLAGS_ALPHA_MIX = 1 << 17
} DISPMANX_FLAGS_ALPHA_T;
struct VC_IMAGE_T;
typedef struct VC_IMAGE_T VC_IMAGE_T;
typedef struct {
DISPMANX_FLAGS_ALPHA_T flags;
uint32_t opacity;
VC_IMAGE_T *mask;
} DISPMANX_ALPHA_T;
typedef struct {
DISPMANX_FLAGS_ALPHA_T flags;
uint32_t opacity;
DISPMANX_RESOURCE_HANDLE_T mask;
} VC_DISPMANX_ALPHA_T; /* for use with vmcs_host */
typedef enum {
DISPMANX_FLAGS_CLAMP_NONE = 0,
DISPMANX_FLAGS_CLAMP_LUMA_TRANSPARENT = 1,
#if __VCCOREVER__ >= 0x04000000
DISPMANX_FLAGS_CLAMP_TRANSPARENT = 2,
DISPMANX_FLAGS_CLAMP_REPLACE = 3
#else
DISPMANX_FLAGS_CLAMP_CHROMA_TRANSPARENT = 2,
DISPMANX_FLAGS_CLAMP_TRANSPARENT = 3
#endif
} DISPMANX_FLAGS_CLAMP_T;
typedef enum {
DISPMANX_FLAGS_KEYMASK_OVERRIDE = 1,
DISPMANX_FLAGS_KEYMASK_SMOOTH = 1 << 1,
DISPMANX_FLAGS_KEYMASK_CR_INV = 1 << 2,
DISPMANX_FLAGS_KEYMASK_CB_INV = 1 << 3,
DISPMANX_FLAGS_KEYMASK_YY_INV = 1 << 4
} DISPMANX_FLAGS_KEYMASK_T;
typedef union {
struct {
uint8_t yy_upper;
uint8_t yy_lower;
uint8_t cr_upper;
uint8_t cr_lower;
uint8_t cb_upper;
uint8_t cb_lower;
} yuv;
struct {
uint8_t red_upper;
uint8_t red_lower;
uint8_t blue_upper;
uint8_t blue_lower;
uint8_t green_upper;
uint8_t green_lower;
} rgb;
} DISPMANX_CLAMP_KEYS_T;
typedef struct {
DISPMANX_FLAGS_CLAMP_T mode;
DISPMANX_FLAGS_KEYMASK_T key_mask;
DISPMANX_CLAMP_KEYS_T key_value;
uint32_t replace_value;
} DISPMANX_CLAMP_T;
typedef struct tag_VC_RECT_T {
int32_t x;
int32_t y;
int32_t width;
int32_t height;
} VC_RECT_T;
/* Types of image supported. */
/* Please add any new types to the *end* of this list. Also update
* case_VC_IMAGE_ANY_xxx macros (below), and the vc_image_type_info table in
* vc_image/vc_image_helper.c.
*/
typedef enum
{
VC_IMAGE_MIN = 0, //bounds for error checking
VC_IMAGE_RGB565 = 1,
VC_IMAGE_1BPP,
VC_IMAGE_YUV420,
VC_IMAGE_48BPP,
VC_IMAGE_RGB888,
VC_IMAGE_8BPP,
VC_IMAGE_4BPP, // 4bpp palettised image
VC_IMAGE_3D32, /* A separated format of 16 colour/light shorts followed by 16 z values */
VC_IMAGE_3D32B, /* 16 colours followed by 16 z values */
VC_IMAGE_3D32MAT, /* A separated format of 16 material/colour/light shorts followed by 16 z values */
VC_IMAGE_RGB2X9, /* 32 bit format containing 18 bits of 6.6.6 RGB, 9 bits per short */
VC_IMAGE_RGB666, /* 32-bit format holding 18 bits of 6.6.6 RGB */
VC_IMAGE_PAL4_OBSOLETE, // 4bpp palettised image with embedded palette
VC_IMAGE_PAL8_OBSOLETE, // 8bpp palettised image with embedded palette
VC_IMAGE_RGBA32, /* RGB888 with an alpha byte after each pixel */ /* xxx: isn't it BEFORE each pixel? */
VC_IMAGE_YUV422, /* a line of Y (32-byte padded), a line of U (16-byte padded), and a line of V (16-byte padded) */
VC_IMAGE_RGBA565, /* RGB565 with a transparent patch */
VC_IMAGE_RGBA16, /* Compressed (4444) version of RGBA32 */
VC_IMAGE_YUV_UV, /* VCIII codec format */
VC_IMAGE_TF_RGBA32, /* VCIII T-format RGBA8888 */
VC_IMAGE_TF_RGBX32, /* VCIII T-format RGBx8888 */
VC_IMAGE_TF_FLOAT, /* VCIII T-format float */
VC_IMAGE_TF_RGBA16, /* VCIII T-format RGBA4444 */
VC_IMAGE_TF_RGBA5551, /* VCIII T-format RGB5551 */
VC_IMAGE_TF_RGB565, /* VCIII T-format RGB565 */
VC_IMAGE_TF_YA88, /* VCIII T-format 8-bit luma and 8-bit alpha */
VC_IMAGE_TF_BYTE, /* VCIII T-format 8 bit generic sample */
VC_IMAGE_TF_PAL8, /* VCIII T-format 8-bit palette */
VC_IMAGE_TF_PAL4, /* VCIII T-format 4-bit palette */
VC_IMAGE_TF_ETC1, /* VCIII T-format Ericsson Texture Compressed */
VC_IMAGE_BGR888, /* RGB888 with R & B swapped */
VC_IMAGE_BGR888_NP, /* RGB888 with R & B swapped, but with no pitch, i.e. no padding after each row of pixels */
VC_IMAGE_BAYER, /* Bayer image, extra defines which variant is being used */
VC_IMAGE_CODEC, /* General wrapper for codec images e.g. JPEG from camera */
VC_IMAGE_YUV_UV32, /* VCIII codec format */
VC_IMAGE_TF_Y8, /* VCIII T-format 8-bit luma */
VC_IMAGE_TF_A8, /* VCIII T-format 8-bit alpha */
VC_IMAGE_TF_SHORT,/* VCIII T-format 16-bit generic sample */
VC_IMAGE_TF_1BPP, /* VCIII T-format 1bpp black/white */
VC_IMAGE_OPENGL,
VC_IMAGE_YUV444I, /* VCIII-B0 HVS YUV 4:4:4 interleaved samples */
VC_IMAGE_YUV422PLANAR, /* Y, U, & V planes separately (VC_IMAGE_YUV422 has them interleaved on a per line basis) */
VC_IMAGE_ARGB8888, /* 32bpp with 8bit alpha at MS byte, with R, G, B (LS byte) */
VC_IMAGE_XRGB8888, /* 32bpp with 8bit unused at MS byte, with R, G, B (LS byte) */
VC_IMAGE_YUV422YUYV, /* interleaved 8 bit samples of Y, U, Y, V */
VC_IMAGE_YUV422YVYU, /* interleaved 8 bit samples of Y, V, Y, U */
VC_IMAGE_YUV422UYVY, /* interleaved 8 bit samples of U, Y, V, Y */
VC_IMAGE_YUV422VYUY, /* interleaved 8 bit samples of V, Y, U, Y */
VC_IMAGE_RGBX32, /* 32bpp like RGBA32 but with unused alpha */
VC_IMAGE_RGBX8888, /* 32bpp, corresponding to RGBA with unused alpha */
VC_IMAGE_BGRX8888, /* 32bpp, corresponding to BGRA with unused alpha */
VC_IMAGE_YUV420SP, /* Y as a plane, then UV byte interleaved in plane with with same pitch, half height */
VC_IMAGE_YUV444PLANAR, /* Y, U, & V planes separately 4:4:4 */
VC_IMAGE_MAX, //bounds for error checking
VC_IMAGE_FORCE_ENUM_16BIT = 0xffff,
} VC_IMAGE_TYPE_T;
/**
* From https://github.com/raspberrypi/userland/blob/master/interface/vmcs_host/vc_vchi_dispmanx.h
*/
typedef enum {
DISPMANX_ELEMENT_CHANGE_LAYER = (1<<0),
DISPMANX_ELEMENT_CHANGE_OPACITY = (1<<1),
DISPMANX_ELEMENT_CHANGE_DEST_RECT = (1<<2),
DISPMANX_ELEMENT_CHANGE_SRC_RECT = (1<<3),
DISPMANX_ELEMENT_CHANGE_MASK_RESOURCE = (1<<4),
DISPMANX_ELEMENT_CHANGE_TRANSFORM = (1<<5)
/**
* Not working /validated !
DISPMANX_ELEMENT_CHANGE_MIN = 0x00,
DISPMANX_ELEMENT_CHANGE_SOURCE = 0x01,
DISPMANX_ELEMENT_INSERT_ABOVE = 0x80,
DISPMANX_ELEMENT_CHANGE_FLAGS = 0x100,
DISPMANX_ELEMENT_CHANGE_NOTHING = 0x200,
DISPMANX_ELEMENT_CHANGE_ALPHA_FLAGS = 0x400,
DISPMANX_ELEMENT_CHANGE_PROTECTION = 0x800,
DISPMANX_ELEMENT_CHANGE_MAX = 0x1000
*/
} DISPMANX_ELEMENT_CHANGE_T;
extern void bcm_host_init(void);
extern void bcm_host_deinit(void);
extern int32_t graphics_get_display_size( const uint16_t display_number,
uint32_t *width,
uint32_t *height);
extern DISPMANX_DISPLAY_HANDLE_T vc_dispmanx_display_open( uint32_t device );
extern int vc_dispmanx_display_close( DISPMANX_DISPLAY_HANDLE_T display );
extern DISPMANX_RESOURCE_HANDLE_T vc_dispmanx_resource_create(VC_IMAGE_TYPE_T type, uint32_t width, uint32_t height, uint32_t *native_image_handle);
extern int vc_dispmanx_resource_write_data( DISPMANX_RESOURCE_HANDLE_T res, VC_IMAGE_TYPE_T src_type, int src_pitch, void * src_address, const VC_RECT_T * rect );
//extern int vc_dispmanx_resource_write_data_handle( DISPMANX_RESOURCE_HANDLE_T res, VC_IMAGE_TYPE_T src_type, int src_pitch,
// VCHI_MEM_HANDLE_T handle, uint32_t offset, const VC_RECT_T * rect );
extern int vc_dispmanx_resource_delete( DISPMANX_RESOURCE_HANDLE_T res );
extern DISPMANX_UPDATE_HANDLE_T vc_dispmanx_update_start( int32_t priority );
extern DISPMANX_ELEMENT_HANDLE_T vc_dispmanx_element_add ( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_DISPLAY_HANDLE_T display,
int32_t layer, const VC_RECT_T *dest_rect, DISPMANX_RESOURCE_HANDLE_T src,
const VC_RECT_T *src_rect, DISPMANX_PROTECTION_T protection,
VC_DISPMANX_ALPHA_T *alpha,
DISPMANX_CLAMP_T *clamp, DISPMANX_TRANSFORM_T transform );
extern int vc_dispmanx_element_remove( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_ELEMENT_HANDLE_T element );
extern int vc_dispmanx_update_submit_sync( DISPMANX_UPDATE_HANDLE_T update );
//New function added to VCHI to change attributes, set_opacity does not work there.
extern int vc_dispmanx_element_change_attributes( DISPMANX_UPDATE_HANDLE_T update,
DISPMANX_ELEMENT_HANDLE_T element,
uint32_t change_flags,
int32_t layer,
uint8_t opacity,
const VC_RECT_T *dest_rect,
const VC_RECT_T *src_rect,
DISPMANX_RESOURCE_HANDLE_T mask,
DISPMANX_TRANSFORM_T transform );
#ifdef __cplusplus
}
#endif
#endif
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