CN105787987B - A kind of Texture Processing Methods and electronic equipment - Google Patents
A kind of Texture Processing Methods and electronic equipment Download PDFInfo
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- CN105787987B CN105787987B CN201610146142.8A CN201610146142A CN105787987B CN 105787987 B CN105787987 B CN 105787987B CN 201610146142 A CN201610146142 A CN 201610146142A CN 105787987 B CN105787987 B CN 105787987B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/04—Texture mapping
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
Abstract
The invention discloses a kind of Texture Processing Methods, applied to the electronic equipment including first processing units and the second processing unit, it include: that the first texture with the first coded format is sent to the second processing unit by first processing units, the first coded format is not belonging to the texture coding format that the electronic equipment is supported；The first texture decoder is obtained into corresponding first texture color data by the second processing unit；The first texture color data encoding is obtained into the second texture with the second coded format by the second processing unit, the second coded format is the texture coding format that the electronic equipment is supported.The present invention also provides a kind of electronic equipments for texture processing.Using method provided by the invention and equipment, the cross-platform texture using coding can be realized in the case where reducing the cpu resource consumption promotion speed of service.
Description
Technical field
The present invention relates to image real time transfer fields, more particularly, to a kind of Texture Processing Methods and equipment.
Background technique
Texture is a kind of image pixel format defined in computer graphics, can be embedded into formula GPU (graphics process list
Member) identification, and by immediate addressing and can sample.Texture mapping is a kind of conventional images data processing field commonly side
Formula, as the bitmap being attached on 3D object, texture mapping can obtain under the premise of solid complexity in not increasing 3D scene
To surface details true to nature, such as wood grain, marble be until complex figure such as personage, building, trees, therefore simulates fine
Complicated scene, such as the pictured scene in electronic game, it usually needs a large amount of texture mapping is realized, but these textures paste
Figure can occupy a large amount of Installed System Memory or video memory, and by taking size is the texture of 512*512 as an example, the memory or video memory for needing to occupy are big
About 1M, an ordinary scene of game picture usually require tens or up to a hundred such texture mapping, can bring about 1G or more
Memory consumption, this can very it is big influence game running fluency.
Therefore, the compression coding technology to texture is introduced in the prior art, can show color abundant and details,
In the case where being minimum distortion again, by reaching smaller texture capacity for texture coding.The coding mark of current such texture
There are many kinds of standards, such as ETC1, S3TC, PVRTC, ATITC, ASTC, and due to the practicability of this kind of texture coding, each texture is compiled
Code standard has the corresponding GPU supported to emerge.But since each hardware vendor does things in his own way, there is presently no one to be obtained greatly
The coding standard of the support of most manufacturers, such as the PowerVR SGX series GPU of Imagination Technologies company
Support PVRTC format, but the Adreno series GPU support ATITC format of Qualcomm company, and the Mali-T600 of ARM company
Serial GPU only supports ASTC format, and ETC1 format can be supported by the GPU of all Android devices, but be almost absent
The GPU of PC is supported, and the S3TC format that the Tegra series GPU of NVIDIA is supported is used extensively on PC, but almost without shifting
The GPU of dynamic equipment can be supported.It means that texture is with regard to almost impossible quilt after reducing texture capacity to texture coding
It is cross-platform to use.
In the game of current mobile device end, such as ETC1 format of mobile device GPU support is generallyd use to texture
Coding, to achieve the purpose that reduce mobile device memory consumption, but restricted movement equipment itself is small in size and capacity of equipment is asked
Topic, in order to promote the game experiencing of player, the end PC (such as desktop computer) mobile device game simulator (such as
All kinds of Android simulators of Android hand trip) it comes into being, but correspondingly, there is a problem: using the GPU of mobile device such as mobile phone
The texture of the said shank of support, cannot be by the cross-platform use of the GPU of desktop computer.
In order to solve this problem, in the prior art, there are two ways to generalling use:
A kind of method is the said shank for being supported mobile device GPU by the central processing unit (CPU) of desktop computer
Texture, sent to after decoding the end PC GPU use, but decoding can expend a large amount of resource of CPU, speed is slow, and solves
Texture after code can occupy a large amount of memory of CPU, can also occupy a large amount of display storage after accordingly sending GPU to, cause
Expectation is using the program of the texture of the mobile device GPU said shank supported (such as in Android simulator on desktop computer
The mobile phone games of operation), occur running slow or Caton, influences user experience.
Another method is improved based on preceding method, is supported mobile device GPU by the CPU of desktop computer
Said shank texture decoder after, and encoded using the supported texture format of desktop computer, later will be after coding
Texture send to desktop computer GPU use, this method, although the display of the GPU of desktop computer can be saved
Storage, but re-encoded after realizing decoding in the CPU of desktop computer, the cpu resource of consuming is bigger than former approach,
It is time-consuming longer in CPU, it equally will cause expectation on the desktop and use the line of the mobile device GPU said shank supported
The application program (such as the mobile phone games run in Android simulator) of reason runs slow or Caton, influences user experience.
Therefore, it has been recognised by the inventors that it is necessary to for it is above-mentioned in the prior art the technical issues of improve.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions for texture processing.
According to the first aspect of the invention, a kind of Texture Processing Methods are provided, electronic equipment is applied to, the electronics is set
Standby includes first processing units and the second processing unit, which comprises
The first texture with the first coded format is sent to the second processing unit by first processing units, described the
One coded format is not belonging to the texture coding format that the electronic equipment is supported；
First texture decoder is obtained into corresponding first texture color data by described the second processing unit；
The first texture color data encoding is obtained with the second coded format by described the second processing unit
Second texture, second coded format are the texture coding format that the electronic equipment is supported.
Preferably, described to be corresponded to first texture decoder by described the second processing unit in the method
The first texture color data the step of, comprising:
First texture is divided into the texture block of multiple specified sizes by described the second processing unit；
Each texture block is decoded parallel by described the second processing unit, obtains first texture respectively
Include in color data respectively with each one-to-one second texture color data of texture block.
Preferably, described that each texture block is solved parallel by described the second processing unit in the method
Code, the step of obtaining the second texture color data corresponding with each texture block respectively, comprising:
Each texture block is divided into the Streak block specified number by described the second processing unit；
Each Streak block is decoded parallel by described the second processing unit, obtains second line respectively
Reason color data include respectively with each one-to-one third texture color data of Streak block.
Preferably, in the method, it is described by described the second processing unit by the first texture color data encoding
Obtain that there is the step of the second texture of the second coded format, comprising:
The first texture color data are divided into the texture color number of predefined size by described the second processing unit
According to block；
The texture color data block is encoded parallel by described the second processing unit, is obtained and the first line respectively
What the corresponding re-encoding texture of reason color data included re-encodes with each texture color data block correspondingly respectively
Texture block.
Textured inner format is reassigned to the re-encoding texture by described the second processing unit, obtaining has second
Second texture of coded format.
Preferably, in the method, it is described by described the second processing unit by the first texture color data encoding
Obtain that there is the step of the second texture of the second coded format, comprising:
The second texture color data parallel is encoded by described the second processing unit, is obtained and first respectively
The corresponding re-encoding texture of texture color data include respectively with each second texture color data correspondingly again
Encoding texture block；
Textured inner format is reassigned to the re-encoding texture by described the second processing unit, obtaining has second
Second texture of coded format.
Preferably, first coded format is ETC1 format.
Preferably, second coded format is S3TC format.
Preferably, the first texture color data are RGB data.
Preferably, the first processing units are central processor CPU, and described the second processing unit is general-purpose computations figure
Shape processor GPGPU.
According to the second aspect of the invention, a kind of electronic equipment, including first processing units and second processing list are provided
Member；
The first processing units, for that will have the first texture of the first coded format to be sent to the second processing unit,
First coded format is not belonging to the texture coding format that the electronic equipment is supported；
Described the second processing unit, comprising:
Texture decoder subelement, for first texture decoder to be obtained corresponding first texture color data；
Texture re-encodes subelement, for obtaining the first texture color data encoding with the second coded format
Second texture, second coded format are the texture coding format that the electronic equipment is supported.
Preferably, the texture decoder subelement, comprising:
Texture divides subelement, for first texture to be divided into the texture block of multiple specified sizes；
Texture block decoding subunit obtains first line for being decoded parallel to each texture block respectively
Reason color data in include respectively with each one-to-one second texture color data of texture block.
Preferably, the texture block decoding subunit, comprising:
Texture block divides subelement, for each texture block to be divided into the Streak block specified number；
Streak block decoding subunit obtains described for each Streak block to be decoded parallel respectively
Two texture color data include respectively with each one-to-one third texture color data of Streak block.
Preferably, the texture re-encodes unit, comprising:
Color data divides subelement, for being divided the first texture color data by described the second processing unit
For the texture color data block of predefined size；
Color data block coding subelement, for parallel to the texture color data block by described the second processing unit
Encoded, respectively obtain it is corresponding with the first texture color data re-encode texture include respectively with each texture face
Color data block re-encodes texture block correspondingly；
Internal form assigns subelement again, and texture is reassigned to the re-encoding texture by described the second processing unit
Internal form obtains second texture with the second coded format.
Preferably, the texture re-encodes unit, comprising:
Color data block coding subelement, for by described the second processing unit to the second texture color data simultaneously
Row is encoded, obtain respectively it is corresponding with the first texture color data re-encode that texture includes respectively with each described second
Texture color data re-encode texture block correspondingly；
Internal form assigns subelement again, and texture is reassigned to the re-encoding texture by described the second processing unit
Internal form obtains second texture with the second coded format.
Preferably, first coded format is ETC1 format.
Preferably, second coded format is S3TC format.
Preferably, the first texture color data are RGB data.
It was found by the inventors of the present invention that in the prior art, a kind of Texture Processing Methods and equipment are not yet proposed, it can be with
In the case where reducing the cpu resource consumption promotion speed of service, the cross-platform texture using coding is realized.Therefore, institute of the present invention
The technical assignment to be realized or never expect the technical problem to be solved is that those skilled in the art or it is not anticipated that
It arrives, therefore the present invention is a kind of new technical solution.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 shows the flow chart of Texture Processing Methods according to an embodiment of the present invention.
Fig. 2 shows the flow charts of Texture Processing Methods one embodiment according to the present invention.
Fig. 3 shows the flow chart of Texture Processing Methods one embodiment according to the present invention.
Fig. 4 shows the flow chart of Texture Processing Methods one embodiment according to the present invention.
Fig. 5 shows the flow chart of Texture Processing Methods one embodiment according to the present invention.
Fig. 6 shows the flow chart of Texture Processing Methods one embodiment according to the present invention.
Fig. 7 shows the block diagram of the functional configuration of electronic equipment according to an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
<embodiment>
One embodiment of the present of invention is applied to electronic equipment, institute as shown in Figure 1, providing a kind of Texture Processing Methods
Stating electronic equipment includes first processing units and the second processing unit.The electronic equipment, which can be any one, to be had at first
Manage unit and the second processing unit electronic equipment, such as portable computer, laptop, desktop computer, tablet computer,
Mainframe computer, palm PC, smart phone etc..Preferably, the first processing units are the central processings of electronic equipment
Unit CPU, and described the second processing unit is the general-purpose computations graphics processing unit GPGPU of electronic equipment.The GPGPU
It is a kind of graphics processing unit GPU.
The Texture Processing Methods include:
The first texture with the first coded format is sent to second processing by first processing units by step S1100
Unit, first coded format are not belonging to the texture coding format that the electronic equipment is supported.
Preferably, first coded format is ETC1 format.ETC1 format is OpenGL ES (Open Graphics
Library for Embedded Systems) specified in most basic texture coding format, and OpenGL ES is as being directed to
The embedded devices such as mobile phone, PDA and game host and design application programming interface subset are supporting android system
It is most widely used on electronic equipment, therefore ETC1 format is the GPU institute energy of most of electronic equipments for supporting android system
The texture coding format that the format of support and most of game program in mobile phone can use.But to the electricity of non-android system
Sub- equipment, for example, by using the electronic equipment (desktop computer, laptop etc.) of windows system, ETC1 format is not belonging to
Its texture coding format supported.
First texture is not belonging to the texture coding format of electronic equipment support, is unable to directly use on electronic equipment, enters
First texture decoder is obtained corresponding first texture color data by described the second processing unit by step S1200.
First texture decoder obtains corresponding first texture color data, can be RGB, CMY, HSV, HIS etc. and appoints
The color data anticipated in a kind of color space, it is preferable that the first texture color data are RGB data.
Further, in one embodiment, the step S1200 is as shown in Figure 2, comprising:
First texture is divided into the texture of multiple specified sizes by described the second processing unit by step S1210
Block.
Wherein, the size of each texture block of division can be referred to according to the decoding operational performance of the second processing unit
It is fixed, it can also be specified according to corresponding color data size after desired each texture block decoding, for example, a Zhang Kuanwei w
The texture of a height of h, entire texture total size are (w/4*8) * (h/4) byte, the size of each texture block can be appointed as often
Row byte number is that w/4*8 byte is divided, so that correspondence obtains the rgb pixel of a 4*4 size after the decoding of each texture block
Block.
After step S1210, enter step S1220, by described the second processing unit to each texture block simultaneously
Row is decoded, and obtains include in the first texture color data one-to-one with each texture block respectively respectively
Second texture color data.
The texture block for multiple specified sizes that first texture divides is decoded respectively, it is meant that decoding process can be right
Multiple decoding subprocess to single texture block should be divided into, the complexity of decoding process can be reduced, simultaneously to each texture block
Row, which is decoded, means that multiple decoding subprocess carry out parallel, can promote decoded speed.
It, can be by recording coordinate of each texture block in the first texture when carrying out parallel decoding to each texture block
Information, mapping obtain the corresponding second texture color data that each texture block decodes and obtain in corresponding first texture decoder
The coordinate in the first texture color data obtained does not need after the completion of texture block parallel decoding processes to each texture block pair
The the second texture color data answered such as are recombinated, are sorted at the processes, can directly obtain corresponding first line of the first texture decoder
Manage color data.
But correspondingly, described the second processing unit is the processing unit that can support parallel computation, such as general graphical meter
Unit GPGPU is calculated, for that cannot support the processing unit of parallel computation, for example, central processing unit CPU, does not just support to use
Parallel decoding method in this example is decoded.It is decoded in the prior art using CPU, is ETC1 with the first coded format
For format, the ETC1 texture of a 2048x2048, time-consuming usually requires hundred Milliseconds, and uses the method in this example, passes through
Such as the second processing unit of GPGPU carries out parallel decoding, time-consuming is not necessarily to occupy CPU in decoding process within 1 millisecond
The color data that decodes of memory storage, do not influence CPU and run other program tasks.
Based on the above embodiments, decoding process is advanced optimized to obtain another embodiment, as shown in figure 3, in step
In rapid S1220, comprising:
Each texture block is divided into texture specified number by described the second processing unit by step S1221
Block.
Wherein, the number of the Streak block of division can be carried out according to the real-time operation ability of described the second processing unit
Specified, the expected texture color data format obtained is specified after can also being decoded according to texture block, for example, with the first coding
For format is ETC1 format, to an ETC1 texture by obtaining the rgb pixel block of 4*4 size after it is expected the decoding of each texture block
It is divided to obtain the identical texture block of several sizes, to each texture block obtained is divided, it is expected that obtaining after decoding corresponding
Therefore the rgb pixel block of 4*4 size further by each texture block, can be divided into 4*4 Streak block.
It should be noted that each texture block obtains after dividing specifies number Streak block, each Streak block size may be
It is identical, it is also possible to be different.
After step S1221, S1222 is entered step, by described the second processing unit by each Streak block
It is decoded parallel, obtain that the second texture color data include respectively corresponds with each Streak block respectively
Third texture color data.
Further division is carried out to texture block and obtains multiple Streak blocks, it is meant that texture block decoding process can be again into one
Step is subdivided into corresponding multiple decoding subprocess to single Streak block, further decreases the complexity of decoding process, and
On the basis of each texture block parallel decoding, each Streak block is also decoded parallel further, improves decoding process
In calculating degree of parallelism, higher decoding speed can be obtained.
It, can be by recording seat of each Streak block in corresponding texture block when being decoded to each Streak block
Information is marked, mapping obtains the corresponding third texture color data that each Streak block decodes and decodes in corresponding texture block
The coordinate in the second texture color data obtained does not need after the completion of Streak block parallel decoding processes to each texture
Sub-block corresponding third texture color data such as is recombinated, is sorted at the processes, can directly obtain texture block decoding corresponding the
Two texture color data.
Correspondingly, described the second processing unit is necessary for that the processing unit of parallel computation, such as general graphical is supported to calculate
Unit GPGPU, for that cannot support the processing unit of parallel computation, for example, central processing unit CPU, is not just supported using this
The parallel decoding method advanced optimized in example is decoded.It is decoded in the prior art using CPU, with the first coding
Format is for ETC1 format, and the ETC1 texture of a 2048x2048, time-consuming usually requires hundred Milliseconds, and uses in this example
Method, carry out parallel decoding for example, by the second processing unit of GPGPU, time-consuming can further shorten, be reduced to several hundred
Microsecond grade, and do not influence CPU without occupying the color data that the memory storage of CPU decodes in decoding process and run it
His program task.
After step S1200, S1300 is entered step, by described the second processing unit by first texture color
Data encoding obtains the second texture with the second coded format, and second coded format is the line that the electronic equipment is supported
Manage coded format.
Preferably, second coded format is S3TC coded format.S3TC format is the DirectX that Microsoft carries out
Standard texture coded format specified in 6.0 standard of 3D, thus (the desk-top calculating on the electronic equipment for supporting Windows system
Machine, laptop, tablet computer), it can support S3TC format, but correspondingly, class of electronic devices presence cannot be supported
Texture coding format, such as ETC1 format.
In general, texture is encoded or is decoded etc. and be related to the programming of image real time transfer and realize, all pass through standard
Image application program programming interface carry out, such as the prior art OpenGL standard API (application programming interface) or
The API etc. of person's DirectX D3D series standard, but as do not supported in OpenGL standard or the D3D11 standard of DirectX
It modifies (such as length or width that texture cannot be modified) to the coded format of the allocated texture, it means that cannot
It supports that it is another coded format that texture coding format is based on to the standard handovers, such as in OpenGL be using the texture encoded
A standard interface glCompressedTexImage2D (..., format ..., data) is defined, wherein format corresponds to line
The coded format of reason, it means that the format of the coding of texture just secures using this standard interface, it can not be by right
The texture of coding realizes cross-platform use only by decoding re-encoding.
To solve this problem, it is preferable that in one embodiment, as shown in figure 4, in step S1300, comprising:
The first texture color data are divided into predefined size by described the second processing unit by step S1310
Texture color data block.
The size of texture color data block, the second coded format re-encoded according to the first texture color data predicting are pre-
It is fixed, for example, encoding mark standard by taking the second coded format is S3TC as an example according to S3TC, being then divided into the first color data more
The texture color data block of a 4*4 pixel size.
Step S1320 encodes the texture color data block parallel by described the second processing unit, obtains respectively
Re-encoding texture corresponding with the first texture color data include it is a pair of with each texture color data block one respectively
The re-encoding texture block answered.
The color data block is encoded parallel, it is meant that cataloged procedure is resolved into multiple coding subprocess, and
And multiple coding subprocess carry out parallel, can reduce complexity in cataloged procedure, obtain higher coding rate.
It, can be by each texture color data block in institute also, when being encoded to each texture color data block
State the location information in the first data texturing, mapping obtain that expected corresponding coding obtains encoding texture block with the first texture
Coordinate in the corresponding re-encoding texture of color data does not need pair after the completion of texture color data block parallel encoding process
Each texture color data block corresponding re-encoding texture block such as is recombinated, is sorted at processes, available first texture color
The corresponding re-encoding texture of data.
But the re-encoding texture format does not meet the texture coding format that the electronic equipment can be supported, such as base
The first texture color data are subjected to parallel encoding in OpenGL, encryption algorithm realization meets what the electronic equipment can be supported
The corresponding coding standard of second coded format such as S3TC, but the textured inner format of the re-encoding texture obtained is GL_RG32
(it is integer unit that corresponding re-encoding texture block, which is double 32), does not meet S3TC format.
Therefore, S1330 is entered step, the re-encoding texture is reassigned in texture by described the second processing unit
Portion's format obtains second texture with the second coded format.
In one example, textured inner lattice are reassigned based on re-encoding texture of the OpenGL to the GL_RG32
Formula obtains second texture with S3TC format, and method is as shown in Figure 6:
Step S13201, the re-encoding line for the glReadPixels function processing GL_RG32 format for calling OpenGL to provide
Reason obtains picture element caching object；
Step S13202, the glCompressedTexImage2D function for calling OpenGL to provide handle picture element caching pair
As obtaining the second texture of S3TC format.
In another embodiment, after step S1200 is using step as shown in Figure 2, available each institute
Corresponding second texture color data after texture block decoding are stated, it can be by step S1300 as shown in Figure 5, directly to described the
Two texture color data carry out parallel encoding, second texture are obtained, as shown, in step S1300, comprising:
Step S13100 encodes the second texture color data parallel by described the second processing unit, point
Huo get it is corresponding with the first texture color data re-encoding texture include respectively with each second texture color data
One-to-one re-encoding texture block；
With the first coded format for ETC1 texture, for the second coded format is S3TC, S3TC coding standard is big with 4*4
Small block of pixels is that unit is encoded, expected after being decoded with the texture block as soon as divide texture block to ETC1 texture
ETC1 texture size before to the corresponding compression of block of pixels of 4*4 size, which is specified, to be divided, then and after the decoding of each texture block
Corresponding second texture color data are just the pixel data of 4*4 size, to the algorithm of the second texture color data encoding
The coding standard for just meeting S3TC is realized, it is not necessary that the first texture color data are divided into the texture face for meeting S3TC coding standard
The process of color data block, can be improved decoding speed.
Textured inner format is reassigned to the re-encoding texture by described the second processing unit in step S13200,
Obtain second texture with the second coded format.This step is identical as aforementioned step S1330 shown in Fig. 4, no longer superfluous herein
It states.
<example>
By taking a Zhang great little is the texture (about 400M) of the ETC1 format of 2048x2048 as an example, if it is desired to not support
On the electronic equipment of STC1 format, such as application program is run on the desktop computer of Windows system and uses the texture (example
Used when the mobile phone games such as run in the Android simulator of the desktop computer):
(1) a kind of method for using the prior art, using the CPU of the desktop computer by the texture solution of the ETC1 format
Code obtains the texture color data of about 1.8G after decoding, directly the GPGPU in biography desktop computer is for its use, using this
Method, ETC1 decode time-consuming 100ms, are transmitted to GPGPU from CPU, to connect bus between CPU and GPGPU with speed 256GT/s
It calculates (passing through PCI-E bus transfer data prestissimo), transmit process needs 0.3ms, in total time-consuming about 100ms, and is solving
The 1.8G memory of CPU can be occupied during code, and during decoding sends GPGPU to using texture, occupies GPGPU's
1.8G video memory, this will lead to using too long and memory time-consuming during this texture or video memory deficiency, occurs using the texture
Application program operation slowly there is the problems such as Caton.
(2) another method for using the prior art, using the CPU of the desktop computer by the texture solution of the ETC1 format
Code, obtains the texture color data of about 1.8G, then compile to the texture color data after decoding), obtain the desk-top calculating
The texture of the 2048x2048 for the S3TC format that machine can be supported, the GPGPU texture after coding being transmitted in desktop computer
For its use.Using the method, decoding needs 100ms, coding time about 300ms, in the process can the maximum memory for occupying CPU
1.8G, it is (most quick by PCI-E bus transfer data with speed 1969MB/s calculating to connect bus between CPU and GPGPU
Degree), transmission S3TC texture process needs 60 microseconds, compared with the prior art in (1), although the 400M that is consumed to for reducing video memory (is used
The texture capacity of S3TC format is about 400M), but time-consuming 400ms can still consume the memory of the 1.8G of CPU in decoding process
Resource still will lead to and the problems such as Caton slowly occurs using the application program operation of the texture.
(3) Texture Processing Methods provided by the invention are used, using the CPU of the desktop computer by the line of the ETC1 format
Reason, is sent to after GPGPU, which is divided into the texture block of multiple specified sizes by GPGPU, again to each texture block
It is divided into Streak block, by parallel decoding, obtains corresponding texture color data, which is divided into specified
After the texture color data block of size, the texture that parallel encoding obtains S3TC format is directly used.Using the method, with CPU with
Bus being connected between GPGPU, (passing through PCI-E bus transfer data prestissimo) being calculated with speed 256GT, 256GT/s, CPU is passed
The texture of ETC1 format is sent about to need 60 microseconds to GPU, GPGPU decodes re-encoding process time-consuming about 1ms, entirely uses the Zhang Wen
The process of reason is not take up the content of CPU in decoding re-encoding process, and the video memory occupancy of GPGPU drops to also in 1ms or so
400M, so that running smooth, significant increase user experience using the application program of the texture.
Therefore, the Texture Processing Methods provided according to the present invention can reduce the time-consuming less situation of CPU EMS memory occupation
Under, realize the cross-platform use of encoding texture.
It is illustrated in figure 7 the block diagram of the functional configuration of the electronic equipment 200 of the embodiment of the present invention.The electronic equipment includes
First processing units and the second processing unit can be any one electronics with first processing units and the second processing unit
Equipment, such as portable computer, laptop, desktop computer, tablet computer, mainframe computer, palm PC, intelligent hand
Machine etc..Preferably, the first processing units are the central processing unit CPUs of electronic equipment, and the second processing list
Member is the general-purpose computations graphics processing unit GPGPU of electronic equipment.The GPGPU is also a kind of graphics processing unit GPU.
The electronic equipment 200 can be used to realize any one processing method as shown in figures 1 to 6, therefore no longer go to live in the household of one's in-laws on getting married herein
It states.The electronic equipment 200 includes first processing units 210 and the second processing unit 220.
First processing units 210, for that will have the first texture of the first coded format to be sent to the second processing unit, institute
It states the first coded format and is not belonging to the texture coding format that the electronic equipment is supported.
Preferably, first coded format is ETC1 format.
The second processing unit 220, comprising:
Texture decoder subelement 2210, for first texture decoder to be obtained corresponding first texture color data；
Texture re-encodes subelement 2220, for the first texture color data encoding to be obtained to have the second coding lattice
Second texture of formula, second coded format are the texture coding format that the electronic equipment is supported.
Preferably, the first texture color data are RGB data.
Preferably, second coded format is S3TC format.
Preferably, the texture decoder subelement 2210, comprising:
Texture divides subelement 22110, for first texture to be divided into the texture block of multiple specified sizes；
Texture block decoding subunit 22120 obtains described for being decoded parallel to each texture block respectively
Include in one texture color data respectively with each one-to-one second texture color data of texture block.
Preferably, the texture block decoding subunit 22120, comprising:
Texture block divides subelement 22121, for each texture block to be divided into the Streak block specified number；
Streak block decoding subunit 22122 obtains institute for each Streak block to be decoded parallel respectively
State that the second texture color data include respectively with each one-to-one third texture color data of Streak block.
Preferably, the texture re-encodes unit 2220, comprising:
Color data divides subelement 22210, for by described the second processing unit by the first texture color number
According to the texture color data block for being divided into predefined size；
Color data block coding subelement 22220 is used for through described the second processing unit to the texture color data
Block is encoded parallel, respectively obtain it is corresponding with the first texture color data re-encode texture include respectively with it is each described
Texture color data block re-encodes texture block correspondingly；
Internal form assigns subelement 22230 again, is used for through described the second processing unit to the re-encoding texture weight
It is new to assign textured inner format, obtain second texture with the second coded format.
Or preferably, the texture re-encodes unit 2220, comprising:
Color data block coding subelement 22220 is used for through described the second processing unit to second texture color
Data parallel is encoded, obtain respectively it is corresponding with the first texture color data re-encode that texture includes respectively with each the
Two texture colors re-encode texture block correspondingly；
Internal form assigns subelement 22230 again, is used for through described the second processing unit to the re-encoding texture weight
It is new to assign textured inner format, obtain second texture with the second coded format.
Attached drawing is had been combined above and describes the embodiment of the present invention, according to the present embodiment, provides a kind of texture processing side
Method and electronic equipment.To there are the first coding lattice for being not belonging to electronic equipment support by the first processing units of electronic equipment
First texture of formula, is sent to the second processing unit of electronic equipment, is obtained the first texture decoder by the second processing unit
Corresponding first texture color data, then obtain setting with electronics by the first texture color data encoding by the second processing unit
Second texture of standby the second coded format supported.Using this programme, can be occupied in the running memory for reducing electronic equipment and
In the case that time-consuming is less, the cross-platform use of encoding texture is realized.
It will be appreciated by those skilled in the art that can realize by various modes in the present embodiment included by electronic equipment
First processing units and the second processing unit.For example, can by instruction configuration processor come realize first processing units and/
Or the second processing unit.For example, instruction can be stored in the ROM, and when starting the device, instruction is read from ROM
First processing units and/or the second processing unit are realized in programming device.For example, can by first processing units and/or
The second processing unit is cured in dedicated devices (such as ASIC).It can be by first processing units and/or the second processing unit point
At mutually independent unit, or they can be merged to realization.First processing units and/or the second processing unit can
To be realized by one of above-mentioned various implementations, or can by two kinds in above-mentioned various implementations or more
The combinations of various ways is realized.
The present invention can be system, method and/or computer program product.Computer program product may include computer
Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the invention.
Computer readable storage medium, which can be, can keep and store the tangible of the instruction used by instruction execution equipment
Equipment.Computer readable storage medium for example can be-- but it is not limited to-- storage device electric, magnetic storage apparatus, optical storage
Equipment, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium
More specific example (non exhaustive list) includes: portable computer diskette, hard disk, random access memory (RAM), read-only deposits
It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static random access memory (SRAM), portable
Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon
It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above
Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to
It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire
Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/
Processing equipment, or outer computer or outer is downloaded to by network, such as internet, local area network, wide area network and/or wireless network
Portion stores equipment.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, firewall, interchanger, gateway
Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted
Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment
In calculation machine readable storage medium storing program for executing.
Computer program instructions for executing operation of the present invention can be assembly instruction, instruction set architecture (ISA) instructs,
Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages
The source code or object code that any combination is write, the programming language include the programming language-of object-oriented such as
Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer
Readable program instructions can be executed fully on the user computer, partly execute on the user computer, be only as one
Vertical software package executes, part executes on the remote computer or completely in remote computer on the user computer for part
Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind
It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit
It is connected with ISP by internet).In some embodiments, by utilizing computer-readable program instructions
Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can
Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the invention
Face.
Referring herein to according to the method for the embodiment of the present invention, the flow chart of unit (system) and computer program product and/
Or block diagram describes various aspects of the invention.It should be appreciated that flowchart and or block diagram each box and flow chart and/
Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to general purpose computer, special purpose computer or other programmable datas
The processor of processing unit, so that a kind of machine is produced, so that these instructions are passing through computer or other programmable datas
When the processor of processing unit executes, function specified in one or more boxes in implementation flow chart and/or block diagram is produced
The unit of energy/movement.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to
It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, thus, it is stored with instruction
Computer-readable medium then includes a manufacture comprising in one or more boxes in implementation flow chart and/or block diagram
The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other
In equipment, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, to produce
Raw computer implemented process, so that executed in computer, other programmable data processing units or other equipment
Instruct function action specified in one or more boxes in implementation flow chart and/or block diagram.
The flow chart and block diagram in the drawings show the system of multiple embodiments according to the present invention, method and computer journeys
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
One unit of table, program segment or a part of instruction, the unit, program segment or a part of instruction include one or more use
The executable instruction of the logic function as defined in realizing.In some implementations as replacements, function marked in the box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.It is right
For those skilled in the art it is well known that, by hardware mode realize, by software mode realize and pass through software and
It is all of equal value that the mode of combination of hardware, which is realized,.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In principle, the practical application or to the technological improvement in market for best explaining each embodiment, or make the art its
Its those of ordinary skill can understand each embodiment disclosed herein.The scope of the present invention is defined by the appended claims.
Claims (17)
1. a kind of Texture Processing Methods are applied to electronic equipment, which is characterized in that
The electronic equipment includes first processing units and the second processing unit, which comprises
The first texture with the first coded format is sent to the second processing unit by first processing units, described first compiles
Code format is not belonging to the texture coding format that the electronic equipment is supported；
First texture decoder is obtained into corresponding first texture color data by described the second processing unit；
The first texture color data encoding is obtained into second with the second coded format by described the second processing unit
Texture, second coded format are the texture coding format that the electronic equipment is supported.
2. the method according to claim 1, wherein it is described by described the second processing unit by first line
Understand the step of code obtains corresponding first texture color data, comprising:
First texture is divided into the texture block of multiple specified sizes by described the second processing unit；
Each texture block is decoded parallel by described the second processing unit, obtains first texture color respectively
Include in data respectively with each one-to-one second texture color data of texture block.
3. according to the method described in claim 2, it is characterized in that, it is described by described the second processing unit to each line
The step of reason block is decoded parallel, obtains the second texture color data corresponding with each texture block respectively, comprising:
Each texture block is divided into the Streak block specified number by described the second processing unit；
Each Streak block is decoded parallel by described the second processing unit, obtains the second texture face respectively
Chromatic number according to comprising respectively with each one-to-one third texture color data of Streak block.
4. the method according to claim 1, wherein it is described by described the second processing unit by first line
Reason color data encodes the step of obtaining second texture with the second coded format, comprising:
The first texture color data are divided into the texture color data block of predefined size by described the second processing unit；
The texture color data block is encoded parallel by described the second processing unit, is obtained and the first texture face respectively
Chromatic number re-encodes texture with each texture color data block respectively according to what corresponding re-encoding texture included correspondingly
Block；
Textured inner format is reassigned to the re-encoding texture by described the second processing unit, obtaining has the second coding
Second texture of format.
5. according to the method described in claim 2, it is characterized in that, it is described by described the second processing unit by first line
Reason color data obtains having the step of the second texture of the second coded format, comprising:
The second texture color data parallel is encoded by described the second processing unit, is obtained and the first texture respectively
What the corresponding re-encoding texture of color data included re-encodes with each second texture color data correspondingly respectively
Texture block；
Textured inner format is reassigned to the re-encoding texture by described the second processing unit, obtaining has the second coding
Second texture of format.
6. method described in -5 any one according to claim 1, which is characterized in that first coded format is ETC1 lattice
Formula.
7. method described in -5 any one according to claim 1, which is characterized in that second coded format is S3TC lattice
Formula.
8. method described in -5 any one according to claim 1, which is characterized in that the first texture color data are RGB
Data.
9. method described in -5 any one according to claim 1, which is characterized in that the first processing units are central processing
Device CPU, and described the second processing unit is general-purpose computations graphics processor GPGPU.
10. a kind of electronic equipment characterized by comprising
First processing units and the second processing unit；
The first processing units, it is described for that will have the first texture of the first coded format to be sent to the second processing unit
First coded format is not belonging to the texture coding format that the electronic equipment is supported；
Described the second processing unit, comprising:
Texture decoder subelement, for first texture decoder to be obtained corresponding first texture color data；
Texture re-encodes subelement, for the first texture color data encoding to be obtained second with the second coded format
Texture, second coded format are the texture coding format that the electronic equipment is supported.
11. electronic equipment according to claim 10, which is characterized in that the texture decoder subelement, comprising:
Texture divides subelement, for first texture to be divided into the texture block of multiple specified sizes；
Texture block decoding subunit obtains the first texture face for being decoded parallel to each texture block respectively
Chromatic number according in include respectively with each one-to-one second texture color data of texture block.
12. electronic equipment according to claim 11, which is characterized in that the texture block decoding subunit, comprising:
Texture block divides subelement, for each texture block to be divided into the Streak block specified number；
Streak block decoding subunit obtains second line for each Streak block to be decoded parallel respectively
Reason color data include respectively with each one-to-one third texture color data of Streak block.
13. electronic equipment according to claim 10, which is characterized in that the texture re-encodes unit, comprising:
Color data divides subelement, pre- for being divided into the first texture color data by described the second processing unit
Determine the texture color data block of size；
Color data block coding subelement, for being carried out parallel by described the second processing unit to the texture color data block
Coding, respectively obtain it is corresponding with the first texture color data re-encode texture include respectively with each texture color number
Texture block is re-encoded correspondingly according to block；
Internal form assigns subelement again, and textured inner is reassigned to the re-encoding texture by described the second processing unit
Format obtains second texture with the second coded format.
14. electronic equipment according to claim 11, which is characterized in that the texture re-encodes unit, comprising:
Color data block coding subelement, for by described the second processing unit to the second texture color data parallel into
Row coding, respectively obtain it is corresponding with the first texture color data re-encode texture include respectively with each second texture
Color data re-encodes texture block correspondingly；
Internal form assigns subelement again, and textured inner is reassigned to the re-encoding texture by described the second processing unit
Format obtains second texture with the second coded format.
15. equipment described in 0-14 any one according to claim 1, which is characterized in that first coded format is ETC1
Format.
16. equipment described in 0-14 any one according to claim 1, which is characterized in that second coded format is S3TC
Format.
17. equipment described in 0-14 any one according to claim 1, which is characterized in that the first texture color data are
RGB data.
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| GB2584764B (en) * | 2017-04-28 | 2021-12-29 | Imagination Tech Ltd | Decoder unit for texture decompression |
| CN112233159B (en) * | 2020-09-23 | 2021-07-16 | 华夏芯（北京）通用处理器技术有限公司 | Texture processing method and device |
| CN112492042B (en) * | 2020-12-08 | 2021-08-13 | 清华大学 | Application program cross-platform system of optical microcavity sensing device |
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