A C++ class to handle one downloader plugin instance.
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#include <downloader.h>
Public Member Functions |
| Downloader () |
| Construct a new, invalid downloader instance.
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| Downloader (PluginRegistry &from, const uint32_t name) |
| Construct a new, named downloader instance.
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virtual | ~Downloader () |
| Destruct this downloader.
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bool | isGood () const |
bool | uses (const uint32_t name) const |
bool | supports (const uint32_t inputToken, const bool noAlpha, const uint64_t capabilities) const |
const EqCompressorInfo & | getInfo () const |
bool | setup (PluginRegistry &from, const uint32_t name) |
| Set up a new, named downloader instance.
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bool | setup (PluginRegistry &from, const uint32_t internalFormat, const float minQuality, const bool ignoreAlpha, const uint64_t capabilities, const GLEWContext *gl) |
| Set up a new, auto-selected downloader instance.
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void | clear () |
| Reset to EQ_COMPRESSOR_NONE.
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bool | start (void **buffer, const uint64_t inDims[4], const uint64_t flags, uint64_t outDims[4], const unsigned source, const GLEWContext *gl) |
| Start downloading data from the GPU to the CPU.
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void | finish (void **buffer, const uint64_t inDims[4], const uint64_t flags, uint64_t outDims[4], const GLEWContext *gl) |
| Finish download data from the GPU to the CPU.
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Static Public Member Functions |
static uint32_t | choose (const PluginRegistry &from, const uint32_t internalFormat, const float minQuality, const bool ignoreAlpha, const uint64_t capabilities, const GLEWContext *gl) |
| Find the best downloader in all plugins for the given parameters.
|
Detailed Description
A C++ class to handle one downloader plugin instance.
Definition at line 32 of file downloader.h.
Constructor & Destructor Documentation
lunchbox::Downloader::Downloader |
( |
| ) |
|
Construct a new, invalid downloader instance.
- Version
- 1.7.1
lunchbox::Downloader::Downloader |
( |
PluginRegistry & |
from, |
|
|
const uint32_t |
name |
|
) |
| |
Construct a new, named downloader instance.
- Parameters
-
from | the plugin registry. |
name | the name of the downloader. |
- Version
- 1.7.1
virtual lunchbox::Downloader::~Downloader |
( |
| ) |
|
|
virtual |
Destruct this downloader.
- Version
- 1.7.1
Member Function Documentation
static uint32_t lunchbox::Downloader::choose |
( |
const PluginRegistry & |
from, |
|
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const uint32_t |
internalFormat, |
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|
const float |
minQuality, |
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const bool |
ignoreAlpha, |
|
|
const uint64_t |
capabilities, |
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const GLEWContext * |
gl |
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) |
| |
|
static |
Find the best downloader in all plugins for the given parameters.
This convenience method searches all compressors in all plugins to find the downloader which supports the given parameters and provides the highest speed.
- Parameters
-
from | the plugin registry to choose from. |
internalFormat | the input token type to the downloader. |
minQuality | the minimum quality. |
ignoreAlpha | true if the downloader may drop the alpha channel. |
capabilities | the capabilities required by the downloader. |
gl | the OpenGL function table. |
- Returns
- the name of the chosen downloader.
- Version
- 1.7.1
void lunchbox::Downloader::clear |
( |
| ) |
|
Reset to EQ_COMPRESSOR_NONE.
- Version
- 1.7.1
void lunchbox::Downloader::finish |
( |
void ** |
buffer, |
|
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const uint64_t |
inDims[4], |
|
|
const uint64_t |
flags, |
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|
uint64_t |
outDims[4], |
|
|
const GLEWContext * |
gl |
|
) |
| |
Finish download data from the GPU to the CPU.
- Parameters
-
buffer | data destination buffer. |
inDims | the dimensions of the input data. |
flags | capability flags for the compression. |
outDims | return value for the dimensions of the output data. |
gl | the OpenGL function table. |
- Version
- 1.7.1
- Returns
- the information about the allocated instance.
- Version
- 1.7.1
bool lunchbox::Downloader::isGood |
( |
| ) |
const |
- Returns
- true if the instance is usable.
- Version
- 1.7.1
bool lunchbox::Downloader::setup |
( |
PluginRegistry & |
from, |
|
|
const uint32_t |
name |
|
) |
| |
Set up a new, named downloader instance.
- Parameters
-
from | the plugin registry. |
name | the name of the downloader. |
- Returns
- true on success, false otherwise.
- Version
- 1.7.1
bool lunchbox::Downloader::setup |
( |
PluginRegistry & |
from, |
|
|
const uint32_t |
internalFormat, |
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|
const float |
minQuality, |
|
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const bool |
ignoreAlpha, |
|
|
const uint64_t |
capabilities, |
|
|
const GLEWContext * |
gl |
|
) |
| |
Set up a new, auto-selected downloader instance.
- See Also
- choose() for parameters.
- Version
- 1.7.1
bool lunchbox::Downloader::start |
( |
void ** |
buffer, |
|
|
const uint64_t |
inDims[4], |
|
|
const uint64_t |
flags, |
|
|
uint64_t |
outDims[4], |
|
|
const unsigned |
source, |
|
|
const GLEWContext * |
gl |
|
) |
| |
Start downloading data from the GPU to the CPU.
- Parameters
-
buffer | data destination buffer. |
inDims | the dimensions of the input data. |
flags | capability flags for the compression. |
outDims | return value for the dimensions of the output data. |
source | the source texture name, or 0 for framebuffer. |
gl | the OpenGL function table. |
- Returns
- true if finish is needed, false if a synchronous download was performed.
- Version
- 1.7.1
bool lunchbox::Downloader::supports |
( |
const uint32_t |
inputToken, |
|
|
const bool |
noAlpha, |
|
|
const uint64_t |
capabilities |
|
) |
| const |
- Returns
- true if the download supports the given parameters.
- Version
- 1.7.1
bool lunchbox::Downloader::uses |
( |
const uint32_t |
name | ) |
const |
- Returns
- true if the instance is usable for the given name.
- Version
- 1.7.1
The documentation for this class was generated from the following file: