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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 {
DISPMANX_ELEMENT_HANDLE_T element;
int width; /* This is necessary because dispmanx elements are not queriable. */
int height;
} EGL_DISPMANX_WINDOW_T;
typedef struct tag_VC_RECT_T {
int32_t x;
int32_t y;
int32_t width;
int32_t height;
} VC_RECT_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 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_update_submit_sync( DISPMANX_UPDATE_HANDLE_T update );
#ifdef __cplusplus
}
#endif
#endif
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