forked from Qortal/Brooklyn
143 lines
8.7 KiB
C
143 lines
8.7 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// Display manager service API
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#ifndef _VC_DISPMANX_H_
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#define _VC_DISPMANX_H_
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#include "interface/vcos/vcos.h"
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#include "interface/vctypes/vc_image_types.h"
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#include "vc_dispservice_x_defs.h"
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#include "interface/vmcs_host/vc_dispmanx_types.h"
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#include "interface/vchi/vchi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Same function as above, to aid migration of code.
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VCHPRE_ int VCHPOST_ vc_dispman_init( void );
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// Stop the service from being used
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VCHPRE_ void VCHPOST_ vc_dispmanx_stop( void );
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// Set the entries in the rect structure
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VCHPRE_ int VCHPOST_ vc_dispmanx_rect_set( VC_RECT_T *rect, uint32_t x_offset, uint32_t y_offset, uint32_t width, uint32_t height );
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// Resources
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// Create a new resource
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VCHPRE_ DISPMANX_RESOURCE_HANDLE_T VCHPOST_ vc_dispmanx_resource_create( VC_IMAGE_TYPE_T type, uint32_t width, uint32_t height, uint32_t *native_image_handle );
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// Write the bitmap data to VideoCore memory
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VCHPRE_ int VCHPOST_ 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 );
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VCHPRE_ int VCHPOST_ 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 );
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VCHPRE_ int VCHPOST_ vc_dispmanx_resource_read_data(
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DISPMANX_RESOURCE_HANDLE_T handle,
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const VC_RECT_T* p_rect,
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void * dst_address,
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uint32_t dst_pitch );
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// Delete a resource
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VCHPRE_ int VCHPOST_ vc_dispmanx_resource_delete( DISPMANX_RESOURCE_HANDLE_T res );
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// Displays
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// Opens a display on the given device
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VCHPRE_ DISPMANX_DISPLAY_HANDLE_T VCHPOST_ vc_dispmanx_display_open( uint32_t device );
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// Opens a display on the given device in the request mode
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VCHPRE_ DISPMANX_DISPLAY_HANDLE_T VCHPOST_ vc_dispmanx_display_open_mode( uint32_t device, uint32_t mode );
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// Open an offscreen display
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VCHPRE_ DISPMANX_DISPLAY_HANDLE_T VCHPOST_ vc_dispmanx_display_open_offscreen( DISPMANX_RESOURCE_HANDLE_T dest, DISPMANX_TRANSFORM_T orientation );
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// Change the mode of a display
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VCHPRE_ int VCHPOST_ vc_dispmanx_display_reconfigure( DISPMANX_DISPLAY_HANDLE_T display, uint32_t mode );
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// Sets the desstination of the display to be the given resource
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VCHPRE_ int VCHPOST_ vc_dispmanx_display_set_destination( DISPMANX_DISPLAY_HANDLE_T display, DISPMANX_RESOURCE_HANDLE_T dest );
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// Set the background colour of the display
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VCHPRE_ int VCHPOST_ vc_dispmanx_display_set_background( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_DISPLAY_HANDLE_T display,
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uint8_t red, uint8_t green, uint8_t blue );
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// get the width, height, frame rate and aspect ratio of the display
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VCHPRE_ int VCHPOST_ vc_dispmanx_display_get_info( DISPMANX_DISPLAY_HANDLE_T display, DISPMANX_MODEINFO_T * pinfo );
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// Closes a display
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VCHPRE_ int VCHPOST_ vc_dispmanx_display_close( DISPMANX_DISPLAY_HANDLE_T display );
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// Updates
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// Start a new update, DISPMANX_NO_HANDLE on error
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VCHPRE_ DISPMANX_UPDATE_HANDLE_T VCHPOST_ vc_dispmanx_update_start( int32_t priority );
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// Add an elment to a display as part of an update
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VCHPRE_ DISPMANX_ELEMENT_HANDLE_T VCHPOST_ vc_dispmanx_element_add ( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_DISPLAY_HANDLE_T display,
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int32_t layer, const VC_RECT_T *dest_rect, DISPMANX_RESOURCE_HANDLE_T src,
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const VC_RECT_T *src_rect, DISPMANX_PROTECTION_T protection,
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VC_DISPMANX_ALPHA_T *alpha,
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DISPMANX_CLAMP_T *clamp, DISPMANX_TRANSFORM_T transform );
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// Change the source image of a display element
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VCHPRE_ int VCHPOST_ vc_dispmanx_element_change_source( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_ELEMENT_HANDLE_T element,
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DISPMANX_RESOURCE_HANDLE_T src );
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// Change the layer number of a display element
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VCHPRE_ int VCHPOST_ vc_dispmanx_element_change_layer ( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_ELEMENT_HANDLE_T element,
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int32_t layer );
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// Signal that a region of the bitmap has been modified
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VCHPRE_ int VCHPOST_ vc_dispmanx_element_modified( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_ELEMENT_HANDLE_T element, const VC_RECT_T * rect );
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// Remove a display element from its display
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VCHPRE_ int VCHPOST_ vc_dispmanx_element_remove( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_ELEMENT_HANDLE_T element );
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// Ends an update
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VCHPRE_ int VCHPOST_ vc_dispmanx_update_submit( DISPMANX_UPDATE_HANDLE_T update, DISPMANX_CALLBACK_FUNC_T cb_func, void *cb_arg );
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// End an update and wait for it to complete
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VCHPRE_ int VCHPOST_ vc_dispmanx_update_submit_sync( DISPMANX_UPDATE_HANDLE_T update );
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// Query the image formats supported in the VMCS build
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VCHPRE_ int VCHPOST_ vc_dispmanx_query_image_formats( uint32_t *supported_formats );
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//New function added to VCHI to change attributes, set_opacity does not work there.
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VCHPRE_ int VCHPOST_ vc_dispmanx_element_change_attributes( DISPMANX_UPDATE_HANDLE_T update,
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DISPMANX_ELEMENT_HANDLE_T element,
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uint32_t change_flags,
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int32_t layer,
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uint8_t opacity,
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const VC_RECT_T *dest_rect,
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const VC_RECT_T *src_rect,
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DISPMANX_RESOURCE_HANDLE_T mask,
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DISPMANX_TRANSFORM_T transform );
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//xxx hack to get the image pointer from a resource handle, will be obsolete real soon
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VCHPRE_ uint32_t VCHPOST_ vc_dispmanx_resource_get_image_handle( DISPMANX_RESOURCE_HANDLE_T res);
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//Call this instead of vc_dispman_init
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VCHPRE_ void VCHPOST_ vc_vchi_dispmanx_init (VCHI_INSTANCE_T initialise_instance, VCHI_CONNECTION_T **connections, uint32_t num_connections );
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// Take a snapshot of a display in its current state.
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// This call may block for a time; when it completes, the snapshot is ready.
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// only transform=0 is supported
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VCHPRE_ int VCHPOST_ vc_dispmanx_snapshot( DISPMANX_DISPLAY_HANDLE_T display,
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DISPMANX_RESOURCE_HANDLE_T snapshot_resource,
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DISPMANX_TRANSFORM_T transform );
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// Set the resource palette (for VC_IMAGE_4BPP and VC_IMAGE_8BPP)
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VCHPRE_ int VCHPOST_ vc_dispmanx_resource_set_palette( DISPMANX_RESOURCE_HANDLE_T handle,
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void * src_address, int offset, int size);
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// Start triggering callbacks synced to vsync
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VCHPRE_ int VCHPOST_ vc_dispmanx_vsync_callback( DISPMANX_DISPLAY_HANDLE_T display, DISPMANX_CALLBACK_FUNC_T cb_func, void *cb_arg );
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#ifdef __cplusplus
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}
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#endif
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#endif // _VC_DISPMANX_H_
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