Difference between revisions of "Unit Framebuffer"

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=== Function declarations ===
 
=== Function declarations ===
 
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'''Initialization functions'''
 
'''Initialization functions'''
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<pre style="border: 0; padding-bottom:0px;">function SysFramebufferAvailable:Boolean;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function SysFramebufferAvailable:Boolean;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if a framebuffer device is available</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if a framebuffer device is available</div>
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! '''Note'''
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| To be documented
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'''Framebuffer helper functions'''
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<pre style="border: 0; padding-bottom:0px;">function FramebufferDeviceGetCount:LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current framebuffer device count</div>
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! '''Note'''
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<pre style="border: 0; padding-bottom:0px;">function FramebufferDeviceGetDefault:PFramebufferDevice; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default framebuffer device</div>
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! '''Note'''
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<pre style="border: 0; padding-bottom:0px;">function FramebufferDeviceSetDefault(Framebuffer:PFramebufferDevice):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Set the current default framebuffer device</div>
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! '''Note'''
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<pre style="border: 0; padding-bottom:0px;">function FramebufferDeviceCheck(Framebuffer:PFramebufferDevice):PFramebufferDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if the supplied Framebuffer device is in the Framebuffer table</div>
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<pre style="border: 0; padding-bottom:0px;">function FramebufferDeviceSwap(Value:LongWord):LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
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{| class="wikitable" style="font-size: 14px; background: white;"

Revision as of 05:38, 28 July 2016

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Description

To be documented

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions

[Expand] 
procedure FramebufferInit;
Description: To be documented


Framebuffer functions

[Expand] 
function FramebufferDeviceAllocate(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Allocate and enable a framebuffer device using supplied properties or defaults


[Expand] 
function FramebufferDeviceRelease(Framebuffer:PFramebufferDevice):LongWord;
Description: Disable and release a framebuffer device


[Expand] 
function FramebufferDeviceBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;
Description: Blank (Turn off) the display of a framebuffer device


[Expand] 
function FramebufferDeviceRead(Framebuffer:PFramebufferDevice; X,Y:LongWord; Buffer:Pointer; Len,Flags:LongWord):LongWord;
Description: Read one or more pixels from framebuffer device memory to a supplied buffer


[Expand] 
function FramebufferDeviceWrite(Framebuffer:PFramebufferDevice; X,Y:LongWord; Buffer:Pointer; Len,Flags:LongWord):LongWord;
Description: Write one or more pixels to framebuffer device memory from a supplied buffer


[Expand] 
function FramebufferDeviceMark(Framebuffer:PFramebufferDevice; X,Y,Width,Height,Flags:LongWord):LongWord;
Description: Mark a region written to the framebuffer and signal the device to take any neccessary actions


[Expand] 
function FramebufferDeviceCommit(Framebuffer:PFramebufferDevice; Address,Size,Flags:LongWord):LongWord;
Description: Commit a region written to the framebuffer and signal the device to take any neccessary actions


[Expand] 
function FramebufferDeviceGetRect(Framebuffer:PFramebufferDevice; X,Y:LongWord; Buffer:Pointer; Width,Height,Skip,Flags:LongWord):LongWord;
Description: Get a rectangular area of pixels from framebuffer memory to a supplied buffer


[Expand] 
function FramebufferDevicePutRect(Framebuffer:PFramebufferDevice; X,Y:LongWord;Buffer:Pointer; Width,Height,Skip,Flags:LongWord):LongWord;
Description: Put a rectangular area of pixels from a supplied buffer to framebuffer memory


[Expand] 
function FramebufferDeviceCopyRect(Framebuffer:PFramebufferDevice; X1,Y1,X2,Y2,Width,Height,Flags:LongWord):LongWord;
Description: Copy a rectangular area of pixels within framebuffer memory


[Expand] 
function FramebufferDeviceFillRect(Framebuffer:PFramebufferDevice; X,Y,Width,Height,Color,Flags:LongWord):LongWord;
Description: Fill a rectangular area of pixels within framebuffer memory


[Expand] 
function FramebufferDeviceGetProperties(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Get the current properties from a framebuffer device


[Expand] 
function FramebufferDeviceSetProperties(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Set the current properties for a framebuffer device


[Expand] 
function FramebufferDeviceCheckFlag(Framebuffer:PFramebufferDevice; Flag:LongWord):Boolean;
Description: To be documented


[Expand] 
function FramebufferDeviceGetFormat(Framebuffer:PFramebufferDevice):LongWord;
Description: To be documented


[Expand] 
function FramebufferDeviceCreate:PFramebufferDevice;
Description: Create a new Framebuffer entry


[Expand] 
function FramebufferDeviceCreateEx(Size:LongWord):PFramebufferDevice;
Description: Create a new Framebuffer entry


[Expand] 
function FramebufferDeviceDestroy(Framebuffer:PFramebufferDevice):LongWord;
Description: Destroy an existing Framebuffer entry


[Expand] 
function FramebufferDeviceRegister(Framebuffer:PFramebufferDevice):LongWord;
Description: Register a new Framebuffer in the Framebuffer table


[Expand] 
function FramebufferDeviceDeregister(Framebuffer:PFramebufferDevice):LongWord;
Description: Deregister a Framebuffer from the Framebuffer table


[Expand] 
function FramebufferDeviceFind(FramebufferId:LongWord):PFramebufferDevice;
Description: To be documented


[Expand] 
function FramebufferDeviceFindByName(const Name:String):PFramebufferDevice; inline;
Description: To be documented


[Expand] 
function FramebufferDeviceFindByDescription(const Description:String):PFramebufferDevice; inline;
Description: To be documented


[Expand] 
function FramebufferDeviceEnumerate(Callback:TFramebufferEnumerate; Data:Pointer):LongWord;
Description: To be documented


[Expand] 
function FramebufferDeviceNotification(Framebuffer:PFramebufferDevice; Callback:TFramebufferNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented


RTL framebuffer functions

[Expand] 
function SysFramebufferAvailable:Boolean;
Description: Check if a framebuffer device is available


Framebuffer helper functions

[Expand] 
function FramebufferDeviceGetCount:LongWord; inline;
Description: Get the current framebuffer device count


[Expand] 
function FramebufferDeviceGetDefault:PFramebufferDevice; inline;
Description: Get the current default framebuffer device


[Expand] 
function FramebufferDeviceSetDefault(Framebuffer:PFramebufferDevice):LongWord;
Description: Set the current default framebuffer device


[Expand] 
function FramebufferDeviceCheck(Framebuffer:PFramebufferDevice):PFramebufferDevice;
Description: Check if the supplied Framebuffer device is in the Framebuffer table


[Expand] 
function FramebufferDeviceSwap(Value:LongWord):LongWord; inline;
Description: To be documented



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