CN105787987A - Texture processing method and electronic equipment - Google Patents
Texture processing method and electronic equipment Download PDFInfo
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- CN105787987A CN105787987A CN201610146142.8A CN201610146142A CN105787987A CN 105787987 A CN105787987 A CN 105787987A CN 201610146142 A CN201610146142 A CN 201610146142A CN 105787987 A CN105787987 A CN 105787987A
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Abstract
The invention discloses a texture processing method applied to a piece of electronic equipment including a first processing unit and a second processing unit. The method comprises: the first processing unit transmits a first texture having a first coding format to the second processing unit, wherein the first coding format does not belong to a texture coding format supported by the electronic equipment; the second processing unit decodes the first texture to obtain corresponding first texture color data; and the second processing unit codes the first texture color data to obtain a second texture having a second coding format that is a texture coding format supported by the electronic equipment. In addition, the invention also provides electronic equipment for texture processing. With the method and electronic equipment, the texture for cross-platform code usage is realized under the circumstances that the CPU resource consumption is reduced and the operating speed is increased.
Description
Technical field
The present invention relates to image real time transfer field, more particularly, to a kind of Texture Processing Methods and equipment.
Background technology
Texture is a kind of image pixel format of definition in computer graphics, it is possible to is embedded into formula GPU (Graphics Processing Unit) and identifies, and can by immediate addressing and sample.Texture mapping is a kind of mode that conventional images data processing field is conventional, as the bitmap being attached on 3D object, texture mapping can obtain surface details true to nature in not increasing 3D scene under the premise of solid complexity, such as wood grain, marble is up to complex figure such as personage, building, trees etc., therefore the scene of elaborate is simulated, such as, pictured scene in electronic game, typically require substantial amounts of texture mapping to realize, but these texture mapping can take substantial amounts of Installed System Memory or video memory, for the texture being sized to 512*512, the internal memory taken or video memory is needed to be approximately 1M, an ordinary scene of game picture typically requires tens or up to a hundred such texture mapping, can bring about the memory consumption of more than 1G, this can the very big fluency affecting game running.
Therefore, prior art introduces the compression coding technology to texture, abundant color and details can showed, when can be minimum distortion again, by by texture coding, reaching less texture capacity.The coding standard of this type of texture has a variety of at present, and such as ETC1, S3TC, PVRTC, ATITC, ASTC etc., due to the practicality of this kind of texture coding, each texture coding standard has the GPU of corresponding support to emerge.But owing to each hardware vendor does things in his own way, there is presently no the coding standard of a support obtaining most manufacturers, the PowerVRSGX series GPU of such as ImaginationTechnologies company supports PVRTC form, but the Adreno series GPU of Qualcomm company supports ATITC form, and the Mali-T600 series GPU of ARM company only supports ASTC form, ETC1 form can be supported by the GPU of all of Android device, but the GPU almost without PC supports, and the S3TC form that the Tegra series GPU of NVIDIA supports extensively is used on PC, but the GPU almost without mobile equipment can support.It means that after texture coding is reduced texture capacity, texture is employed by cross-platform with regard to hardly possible.
In the game of mobile equipment end at present, generally adopt the mobile equipment GPU such as ETC1 form supported to texture coding, to reduce the purpose that mobile device memory consumes, but the volume of restricted movement equipment own is little and capacity of equipment problem, in order to promote the game experiencing of player, mobile equipment game simulator (such as all kinds of Android simulators of Android hands trip) at PC end (such as desk computer) arises at the historic moment, but correspondingly, there is a problem: adopt the stricture of vagina reason of the GPU of the mobile equipment such as mobile phone said shank supported, can not by the cross-platform use of the GPU of desk computer.
In order to solve this problem, in prior art, the method generally adopted has two kinds:
A kind of method is to be managed by the stricture of vagina of the mobile equipment GPU said shank supported by the CPU (CPU) of desk computer, the GPU sending PC end after decoding to uses, but decoding can expend the substantial amounts of resource of CPU, speed is slow, and decoded texture can take the substantial amounts of internal memory of CPU, also substantial amounts of display storage can be taken after sending GPU accordingly to, cause that expectation on the desktop uses this to move the program of the texture of the equipment GPU said shank supported (mobile phone games run in such as Android simulator), occur running slowly or block and time, affect Consumer's Experience.
Another kind of method, it is based on preceding method to improve, after the CPU of the desk computer texture decoder by the mobile equipment GPU said shank supported, the supported texture format of desk computer is adopted again to be encoded, the GPU that texture after coding sends to desk computer afterwards uses, but this method, although the display storage of the GPU of desk computer can be saved, but re-encoding after realizing decoding in the CPU of desk computer, the cpu resource expended is bigger than former approach, in CPU consuming time longer, expectation on the desktop can be caused equally to use this to move the application program of the texture of the equipment GPU said shank supported (mobile phone games run in such as Android simulator), run slowly or block and time, affect Consumer's Experience.
Therefore, it has been recognised by the inventors that be necessary to improve for above-mentioned technical problem of the prior art.
Summary of the invention
It is an object of the present invention to provide a kind of new solution for texture processing.
According to the first aspect of the invention, it is provided that a kind of Texture Processing Methods, being applied to electronic equipment, described electronic equipment includes the first processing unit and the second processing unit, and described method includes:
By the first processing unit, first texture with the first coded format being sent to the second processing unit, described first coded format is not belonging to the texture coding form that described electronic equipment is supported；
By described second processing unit, described first texture decoder is obtained the first corresponding texture color data；
Described first texture color data encoding is obtained second texture with the second coded format by described second processing unit, and described second coded format is the texture coding form that described electronic equipment is supported.
Preferably, in described method, the described step that by described second processing unit, described first texture decoder is obtained the first corresponding texture color data, including:
By described second processing unit, described first texture is divided into the texture block of multiple appointment size；
By described second processing unit, each described texture block is decoded parallel, obtain respectively described first texture color data comprise respectively with each described texture block the second texture color data one to one.
Preferably, in described method, described by described second processing unit, each described texture block is decoded parallel, obtains the step of the second texture color data corresponding with each described texture block respectively, including:
By described second processing unit, each described texture block is divided into the Streak block specified number；
By described second processing unit, each described Streak block is decoded parallel, obtain respectively described second texture color packet containing respectively with each described Streak block third texture color data one to one.
Preferably, in described method, the described step being obtained the collective encoding of described color elements by described second processing unit there is the second texture of the second coded format, including:
By described second processing unit, described first texture color data are divided into the texture color data block of predefined size；
By described second processing unit, described texture color data block being encoded parallel, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described data texturing block respectively.
By described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that there is the second texture of the second coded format.
Preferably, in described method, the described step being obtained the collective encoding of described color elements by described second processing unit there is the second texture of the second coded format, including:
By described second processing unit, described second texture color data parallel being encoded, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described second texture color data respectively；
By described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that there is the second texture of the second coded format.
Preferably, described first coded format is ETC1 form.
Preferably, described second coded format is S3TC form.
Preferably, described first texture color data are RGB data.
Preferably, described first processing unit is central processor CPU, and described second processing unit is general-purpose computations graphic process unit GPGPU.
According to the second aspect of the invention, it is provided that a kind of electronic equipment, including the first processing unit and the second processing unit；
Described first processing unit, for first texture with the first coded format is sent to the second processing unit, described first coded format is not belonging to the texture coding form that described electronic equipment is supported；
Described second processing unit, including:
Texture decoder subelement, for obtaining the first corresponding texture color data by described first texture decoder；
Texture re-encoding subelement, for described first texture color data encoding obtains second texture with the second coded format, described second coded format is the texture coding form that described electronic equipment is supported.
Preferably, described texture decoder subelement, including:
Texture divides subelement, for described first texture is divided into the texture block of multiple appointment size；
Texture block decoding subelement, for each described texture block is decoded parallel, obtain respectively described first texture color data comprise respectively with each described texture block the second texture color data one to one.
Preferably, described texture block decoding subelement, including:
Texture block divides subelement, for each described texture block is divided into the Streak block specified number；
Streak block decoding subelement, for each described Streak block is decoded parallel, obtain respectively described second texture color packet containing respectively with each described Streak block third texture color data one to one.
Preferably, described texture re-encoding unit, including:
Color data divides subelement, for described first texture color data are divided into the texture color data block of predefined size by described second processing unit；
Color data block coded sub-units, for described texture color data block being encoded parallel by described second processing unit, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described data texturing block respectively；
Internal form heavily assigns subelement, by described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that have the second texture of the second coded format.
Preferably, described texture re-encoding unit, including:
Color data block coded sub-units, for described second texture color data parallel being encoded by described second processing unit, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described second texture color data respectively；
Internal form heavily assigns subelement, by described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that have the second texture of the second coded format.
Preferably, described first coded format is ETC1 form.
Preferably, described second coded format is S3TC form.
Preferably, described 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 is possible to when reducing cpu resource consumption and promoting the speed of service, it is achieved the cross-platform texture using coding.Therefore, technical assignment that the present invention to realize or that the those skilled in the art of technical problem is that to be solved never expect or it is not expected that, therefore the present invention is a kind of new technical scheme.
By referring to the accompanying drawing detailed description to the exemplary embodiment of the present invention, the further feature of the present invention and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part constituting description illustrate embodiments of the invention, and be used for explaining principles of the invention together with its explanation.
Fig. 1 illustrates the flow chart of Texture Processing Methods according to embodiments of the present invention.
Fig. 2 illustrates the flow chart of one embodiment of Texture Processing Methods according to the present invention.
Fig. 3 illustrates the flow chart of one embodiment of Texture Processing Methods according to the present invention.
Fig. 4 illustrates the flow chart of one embodiment of Texture Processing Methods according to the present invention.
Fig. 5 illustrates the flow chart of one embodiment of Texture Processing Methods according to the present invention.
Fig. 6 illustrates the flow chart of one embodiment of Texture Processing Methods according to the present invention.
Fig. 7 illustrates the block diagram of the functional configuration of electronic equipment according to embodiments of the present invention.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts otherwise set forth in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit the scope of the invention.
Description only actually at least one exemplary embodiment is illustrative below, never as any restriction to the present invention and application or use.
The known technology of person of ordinary skill in the relevant, method and apparatus are likely to be not discussed in detail, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely exemplary, not as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be further discussed in accompanying drawing subsequently.
<embodiment>
One embodiment of the present of invention, as shown in Figure 1, it is provided that a kind of Texture Processing Methods, is applied to electronic equipment, and described electronic equipment includes the first processing unit and the second processing unit.Described electronic equipment can be that any one has the first processing unit and the electronic equipment of the second processing unit, for instance pocket computer, notebook computer, desk computer, panel computer, mainframe computer, palm PC, smart mobile phone etc..Preferably, described first processing unit is the central processing unit CPU of electronic equipment, and described second processing unit is the general-purpose computations Graphics Processing Unit GPGPU of electronic equipment.Described GPGPU is also a kind of Graphics Processing Unit GPU.
Described Texture Processing Methods includes:
Step S1100, is sent to the second processing unit by the first processing unit by first texture with the first coded format, and described first coded format is not belonging to the texture coding form that described electronic equipment is supported.
Preferably, described first coded format is ETC1 form.ETC1 form is the most basic texture coding form of regulation in OpenGLES (OpenGraphicsLibraryforEmbeddedSystems), and OpenGLES is as the design application DLL subset for embedded devices such as mobile phone, PDA and game hosts, the electronic equipment supporting android system is most widely used, therefore ETC1 form is that great majority support the GPU of electronic equipment of the android system form that can be supported by, and is also the texture coding form that can adopt of most of game program in mobile phone.But the electronic equipment to non-android system, for instance adopting the electronic equipment (desk computer, notebook computer etc.) of windows system, ETC1 form is not belonging to the texture coding form of its support.
First texture is not belonging to the texture coding form that electronic equipment is supported, it is impossible to directly use on electronic equipment, enters step S1200, by described second processing unit, described first texture decoder is obtained the first corresponding texture color data.
Described first texture decoder obtains the first corresponding texture color data, it is possible to be the color data in any one color space such as RGB, CMY, HSV, HIS, it is preferable that the first texture color data are RGB data.
Further, in one embodiment, described step S1200 is as in figure 2 it is shown, include:
Step S1210, is divided into the texture block of multiple appointment size by described second processing unit by described first texture.
Wherein, the size of each texture block divided, can specify according to the decoding operational performance of the second processing unit, after can also decoding according to desired each texture block, corresponding color data size is specified, such as, one wide is the texture of h for w height, whole texture is always sized to (w/4*8) * (h/4) byte, it is that w/4*8 byte divides that the size of each texture block can be appointed as each row byte number so that the corresponding rgb pixel block obtaining a 4*4 size after the decoding of each texture block.
After step S1210, enter step S1220, by described second processing unit, each described texture block is decoded parallel, obtain respectively described first texture color data comprise respectively with each described texture block the second texture color data one to one.
The texture block of multiple appointment sizes that the first texture divides is decoded respectively, mean that decoding process corresponding can be divided into multiple decoding subprocess to single texture block, the complexity of decoding process can be reduced, it is decoded parallel each texture block meaning that multiple decoding subprocess carries out parallel, it is possible to promote the speed of decoding.
When each texture block is carried out parallel decoding, can pass through to record each texture block coordinate information in the first texture, map the second texture color data obtaining the correspondence that the decoding of each texture block obtains coordinate in the first texture color data that the first corresponding texture decoder obtains, after texture block parallel decoding processes completes, the second texture color data that each texture block is corresponding need not be recombinated, the process such as sequence, it is possible to directly obtain the first texture color data that the first texture decoder is corresponding.
But correspondingly, described second processing unit is the processing unit that can support parallel computation, for instance general graphical computing unit GPGPU, for the processing unit of parallel computation can not be supported, such as, central processing unit CPU, just do not support to adopt the parallel decoding method in this example to be decoded.CPU is adopted to be decoded in the prior art, for the first coded format for ETC1 form, the ETC1 texture of one 2048x2048, consuming time typically require hundred Milliseconds, and adopt the method in this example, and carry out parallel decoding by second processing unit of such as GPGPU, consuming time within 1 millisecond, and decode in process the memory storage without taking CPU and decode the color data that obtains, do not affect CPU and run other program tasks.
Based on the above embodiments, decoding process is optimized further and obtains another embodiment, as it is shown on figure 3, in step S1220, including:
Step S1221, is divided into, by each described texture block, the Streak block specified number by described second processing unit.
Wherein, the number of the Streak block divided, can specify according to the real-time operation ability of described second processing unit, can also expect after decoding according to texture block that the texture color data form obtained is specified, such as, for the first coded format for ETC1 form, one ETC1 texture is divided and obtains the texture block that several size is identical by obtaining the rgb pixel block of 4*4 size after expecting the decoding of each texture block, to dividing each texture block obtained, the rgb pixel block of the 4*4 size of correspondence is obtained after expecting decoding, therefore, can be further, by each texture block, it is 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 is probably identical, it is also possible to different.
After step S1221, enter step S1222, by described second processing unit, each described Streak block is decoded parallel, obtain respectively described second texture color packet containing respectively with each described Streak block third texture color data one to one.
Texture block is carried out Further Division and obtains multiple Streak block, mean that texture block decoding process can further be subdivided into corresponding multiple decoding subprocess to single Streak block, reduce the complexity of decoding process further, and on the basis of each texture block parallel decoding, further each Streak block is also decoded parallel, improve the calculating degree of parallelism in decoding process, higher decoding speed can be obtained.
When each Streak block is decoded, the coordinate information recording each Streak block in corresponding texture block can be passed through, map the third texture color data obtaining the correspondence that the decoding of each Streak block obtains coordinate in the second texture color data that corresponding texture block decoding obtains, after Streak block parallel decoding processes completes, the third texture color data that each Streak block is corresponding need not be recombinated, the process such as sequence, it is possible to directly obtain the second texture color data that texture block decoding is corresponding.
Correspondingly, described second processing unit is necessary for the processing unit supporting parallel computation, such as general graphical computing unit GPGPU, for the processing unit of parallel computation can not be supported, such as, central processing unit CPU, does not just support to adopt the parallel decoding method optimized further in this example to be decoded.CPU is adopted to be decoded in the prior art, for the first coded format for ETC1 form, the ETC1 texture of one 2048x2048, consuming time typically require hundred Milliseconds, and adopt the method in this example, carry out parallel decoding by second processing unit of such as GPGPU, consuming time can shorten further, it is reduced to hundreds of Microsecond grade, and decodes in process the memory storage without taking CPU and decode the color data obtained, do not affect CPU and run other program tasks.
After step S1200, entering step S1300, described first texture color data encoding is obtained by described second processing unit second texture with the second coded format, described second coded format is the texture coding form that described electronic equipment is supported.
Preferably, described second coded format is S3TC coded format.S3TC form is the standard texture coded format of regulation in the DirectX3D6.0 standard that Microsoft carries out, thus on the electronic equipment supporting Windows system (desk computer, notebook computer, panel computer), S3TC form can be supported, but correspondingly, there is the texture coding form that can not support in this class of electronic devices, for instance ETC1 form.
nullIn general，Texture is encoded or decoding etc. relates to the programming realization of image real time transfer，All undertaken by the image application program DLL of standard，The API (application programming interface) of the OpenGL standard of such as prior art or the API etc. of DirectXD3D series standard，But in the D3D11 standard of OpenGL standard or DirectX，Do not support the coded format of the allocated texture is modified (length or the width that such as can not revise texture)，This means that，Can not support texture coding form based on this standard handovers to be another kind of coded format，Such as OpenGL be use coding texture define a standard interface glCompressedTexImage2D (...,format,…,data)，The wherein coded format of format correspondence texture，This means that，Adopt this standard interface，The form of the coding of texture just secures，Cannot by the texture of coding be realized cross-platform use only by decoding re-encoding.
For solving this problem, it is preferable that in one embodiment, as shown in Figure 4, in step S1300, including:
Described first texture color data are divided into the texture color data block of predefined size by step S1310 by described second processing unit.
The size of texture color data block, the second coded format according to the first texture color data predicting re-encoding makes a reservation for, for instance, for the second coded format for S3TC, encode mark standard according to S3TC, then the first color data is divided into the data texturing block of multiple 4*4 pixel size.
Step S1320, is encoded described texture color data block parallel by described second processing unit, and what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described data texturing block respectively.
Described color data block is encoded parallel, it is meant that cataloged procedure is resolved into multiple coding subprocess, and multiple coding subprocess carries out parallel, can reduce complexity in cataloged procedure, it is thus achieved that higher coding rate.
And, when each texture color data block is encoded, can by each texture color data block positional information in described first data texturing, map obtain that expection correspondence coding obtains at encoding texture block coordinate in corresponding with the first texture color data re-encoding texture, after texture color data block parallel encoding process completes, the re-encoding texture block that each texture color data block is corresponding need not be recombinated, the process such as sequence, it is possible to obtain the re-encoding texture that the first texture color data are corresponding.
But described re-encoding texture format, do not meet the texture coding form that described electronic equipment can be supported, such as based on OpenGL, the first texture color data are carried out parallel encoding, encryption algorithm realizes meeting the coding standard corresponding for the second coded format such as S3TC that described electronic equipment can be supported, but the textured inner form of the re-encoding texture obtained is GL_RG32 (corresponding re-encoding texture block is integer unit for double; two 32), does not meet S3TC form.
Therefore, enter step S1330, by described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that there is the second texture of the second coded format.
In one example, based on OpenGL, the re-encoding texture of described GL_RG32 is reassigned textured inner form, obtains second texture with S3TC form, method as shown in Figure 6:
Step S13201, calls the OpenGL glReadPixels function provided and processes the re-encoding texture of GL_RG32 form, it is thus achieved that picture element caching object；
Step S13202, calls the OpenGL glCompressedTexImage2D function provided and processes picture element caching object, it is thus achieved that the second texture of S3TC form.
In another embodiment, after the step S1200 step adopted as shown in Figure 2, the second texture color data corresponding after can obtaining the decoding of described each described texture block, step S1300 as shown in Figure 5 can be passed through, directly described second texture color data are carried out parallel encoding, obtain described second texture, as shown in the figure, in step S1300, including:
Step S13100, by described second processing unit, described second texture color data parallel being encoded, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described second texture color data respectively；
Manage with the first coded format for ETC1 stricture of vagina, second coded format is S3TC is example, S3TC coding standard is to be encoded in units of the block of pixels of 4*4 size, when one ETC1 texture is divided texture block, after just decoding with this texture block expection obtain the compression that the block of pixels of 4*4 size is corresponding before ETC1 texture size specify and divide, the second texture color data corresponding after then decoding with each texture block are just for the pixel data of 4*4 size, the algorithm of described second texture color data encoding is realized just meeting the coding standard of S3TC, without the first texture color data being divided into the process of the texture color data block meeting S3TC coding standard, decoding speed can be improved.
Step S13200, is reassigned textured inner form by described second processing unit to described re-encoding texture, it is thus achieved that have the second texture of the second coded format.This step is identical with the step S1330 shown in earlier figures 4, does not repeat them here.
<example>
Texture (about 400M) for an ETC1 form being sized to 2048x2048, it is it desired on the electronic equipment not supporting STC1 form, for instance on the desk computer of Windows system, run application program use this texture (using during the mobile phone games such as run in the Android simulator of this desktop computer):
null(1) a kind of method of prior art is adopted，Utilize the CPU texture decoder by this ETC1 form of this desk computer，The texture color data of about 1.8G are obtained after decoding，Directly pass the GPGPU in desk computer for it，Adopt the method，ETC1 decodes 100ms consuming time，It is sent to GPGPU from CPU，To connect bus between CPU and GPGPU with speed 256GT/s calculating (by PCI-E bus transfer data prestissimo)，Transmission process needs 0.3ms，About 100ms consuming time altogether，And the 1.8G internal memory of CPU can be taken in decoding process，And send in GPGPU use texture process in decoding，Take the 1.8G video memory of GPGPU，This can cause using consuming time oversize in this texture process and internal memory or video memory not enough，Occur using the application program of this texture to run the problems such as card slowly occurs.
(2) the another kind of method of prior art is adopted, utilize the CPU texture decoder by this ETC1 form of this desk computer, the texture color data of about 1.8G are obtained after decoding, again these texture color data are compiled), obtain the texture of the 2048x2048 of the S3TC form that this desk computer can be supported, the texture after coding is sent to the GPGPU in desk computer for it.Adopt the method, decoding needs 100ms, coding time is about 300ms, the maximum internal memory 1.8G taking CPU of meeting in process, to connect bus between CPU and GPGPU with speed 1969MB/s calculating (by PCI-E bus transfer data prestissimo), transmit S3TC texture process and need 60 microseconds, the relatively prior art in (1), although that reduces video memory is consumed to 400M (the texture capacity using S3TC form is about 400M), but 400ms consuming time, decoding process still can consume the memory source of the 1.8G of CPU, the application program that still can cause this texture of use runs problems such as card slowly occur.
(3) Texture Processing Methods provided by the invention is adopted, utilize the CPU texture by this ETC1 form of this desk computer, after being sent to GPGPU, by GPGPU, this texture is divided into the texture block of multiple appointment size, each texture block is further partitioned into Streak block, by parallel decoding, obtains the texture color data of correspondence, after these texture color data are divided into the texture color data block specifying size, parallel encoding obtains the texture of S3TC form and directly uses.Adopt the method, to connect bus between CPU and GPGPU with speed 256GT, 256GT/s calculates (by PCI-E bus transfer data prestissimo), CPU transmits the texture of ETC1 form and about needs 60 microseconds to GPU, GPGPU decodes re-encoding process about 1ms consuming time, the process of whole this texture of use is also at about 1ms, the content of CPU it is not take up in decoding re-encoding process, and the video memory of GPGPU takies and drops to 400M, the application program using this texture is made to run smoothness, significant increase Consumer's Experience.
Therefore, according to Texture Processing Methods provided by the invention, it is possible under reducing CPU EMS memory occupation less situation consuming time, it is achieved 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.Described electronic equipment includes the first processing unit and the second processing unit, can be that any one has the first processing unit and the electronic equipment of the second processing unit, for instance pocket computer, notebook computer, desk computer, panel computer, mainframe computer, palm PC, smart mobile phone etc..Preferably, described first processing unit is the central processing unit CPU of electronic equipment, and described second processing unit is the general-purpose computations Graphics Processing Unit GPGPU of electronic equipment.Described GPGPU is also a kind of Graphics Processing Unit GPU.
Described electronic equipment 200 can be used to any one processing method realized as shown in figures 1 to 6, therefore does not repeat them here.Described electronic equipment 200 includes the first processing unit 210 and the second processing unit 220.
First processing unit 210, for first texture with the first coded format is sent to the second processing unit, described first coded format is not belonging to the texture coding form that described electronic equipment is supported.
Preferably, described first coded format is ETC1 form.
Second processing unit 220, including:
Texture decoder subelement 2210, for obtaining the first corresponding texture color data by described first texture decoder；
Texture re-encoding subelement 2220, for described first texture color data encoding obtains second texture with the second coded format, described second coded format is the texture coding form that described electronic equipment is supported.
Preferably, described first texture color data are RGB data.
Preferably, described second coded format is S3TC form.
Preferably, described texture decoder subelement 2210, including:
Texture divides subelement 22110, for described first texture is divided into the texture block of multiple appointment size；
Texture block decoding subelement 22120, for each described texture block is decoded parallel, obtain respectively described first texture color data comprise respectively with each described texture block the second texture color data one to one.
Preferably, described texture block decoding subelement 22120, including:
Texture block divides subelement 22121, for each described texture block is divided into the Streak block specified number；
Streak block decoding subelement 22122, for each described Streak block is decoded parallel, obtain respectively described second texture color packet containing respectively with each described Streak block third texture color data one to one.
Preferably, described texture re-encoding unit 2220, including:
Color data divides subelement 22210, for described first texture color data are divided into the texture color data block of predefined size by described second processing unit；
Color data block coded sub-units 22220, for described texture color data block being encoded parallel by described second processing unit, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described data texturing block respectively；
Internal form heavily assigns subelement 22230, for described re-encoding texture being reassigned textured inner form by described second processing unit, it is thus achieved that have the second texture of the second coded format.
Or preferably, described texture re-encoding unit 2220, including:
Color data block coded sub-units 22220, for described second texture color data parallel being encoded by described second processing unit, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each second texture color respectively；
Internal form heavily assigns subelement 22230, for described re-encoding texture being reassigned textured inner form by described second processing unit, it is thus achieved that have the second texture of the second coded format.
Embodiments of the invention are described above, according to the present embodiment, it is provided that a kind of Texture Processing Methods and electronic equipment already in connection with accompanying drawing.To there is the first texture being not belonging to the first coded format that electronic equipment is supported by the first processing unit of electronic equipment, it is sent to the second processing unit of electronic equipment, by the second processing unit, the first texture decoder is obtained the first corresponding texture color data, again through the second processing unit, the first texture color data encoding is obtained second texture with the second coded format that electronic equipment is supported.Adopt this programme, it is possible to take and in less situation consuming time at the running memory reducing electronic equipment, it is achieved the cross-platform use of encoding texture.
It will be appreciated by those skilled in the art that, it is possible to realized in the present embodiment the first processing unit included by electronic equipment and the second processing unit by various modes.For example, it is possible to configure processor by instruction to realize the first processing unit and/or the second processing unit.For example, it is possible to instruction is stored in ROM, and when starting the device, instruction is read from ROM programming device realizes the first processing unit and/or the second processing unit.For example, it is possible to the first processing unit and/or the second processing unit are cured in dedicated devices (such as ASIC).First processing unit and/or the second processing unit separate unit can be divided into, or they realization can be combined.First processing unit and/or the second processing unit can be realized by the one in above-mentioned various implementations, or can be realized by the combination of two or more modes in above-mentioned various implementations.
The present invention can be system, method and/or computer program.Computer program can include computer-readable recording medium, containing for making processor realize the computer-readable program instructions of various aspects of the invention.
Computer-readable recording medium can be the tangible device that can keep and store and be performed the instruction that equipment uses by instruction.Computer-readable recording medium can be such as--but be not limited to--storage device electric, magnetic storage apparatus, light storage device, electromagnetism storage device, semiconductor memory apparatus or above-mentioned any appropriate combination.The example more specifically (non exhaustive list) of computer-readable recording medium includes: portable computer diskette, hard disk, random access memory (RAM), read only memory (ROM), erasable type programmable read only memory (EPROM or flash memory), static RAM (SRAM), Portable compressed dish read only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, such as on it, storage has punch card or the groove internal projection structure of instruction, and the combination of above-mentioned any appropriate.Computer-readable recording medium used herein above is not construed as instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations, the electromagnetic wave (such as, by the light pulse of fiber optic cables) propagated by waveguide or other transmission mediums or by the signal of telecommunication of wire transfer.
Computer-readable program instructions as described herein can download to each from computer-readable recording medium and calculate/process equipment, or downloaded to outer computer or External memory equipment by network, such as the Internet, LAN, wide area network and/or wireless network.Network can include copper transmission cable, fiber-optic transfer, is wirelessly transferred, router, fire wall, switch, gateway computer and/or Edge Server.Adapter or network interface in each calculating/process equipment receive computer-readable program instructions from network, and forward this computer-readable program instructions, for be stored in each calculate/process equipment in computer-readable recording medium in.
Can be the source code write of assembly instruction, instruction set architecture (ISA) instruction, machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or the combination in any with one or more programming languages or object code for performing the computer program instructions of present invention operation, described programming language includes OO programming language such as Smalltalk, C++ etc. and the procedural programming languages of routine such as " C " language or similar programming language.Computer-readable program instructions fully can perform on the user computer, partly performs on the user computer, performs as an independent software kit, partly partly perform on the remote computer on the user computer or perform on remote computer or server completely.In the situation relating to remote computer, remote computer can include LAN (LAN) by the network of any kind or wide area network (WAN) is connected to subscriber computer, or, it may be connected to outer computer (such as utilizes ISP to pass through Internet connection).In certain embodiments, by utilizing the status information of computer-readable program instructions to carry out personalized customization electronic circuit, such as Programmable Logic Device, field programmable gate array (FPGA) or programmable logic array (PLA), this electronic circuit can perform computer-readable program instructions, thus realizing various aspects of the invention.
Flow chart and/or block diagram referring herein to method according to embodiments of the present invention, unit (system) and computer program describe various aspects of the invention.Should be appreciated that the combination of each square frame in each square frame of flow chart and/or block diagram and flow chart and/or block diagram, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to the processor of general purpose computer, special-purpose computer or other programmable data processing unit, thus producing a kind of machine, make these instructions when being performed by the processor of computer or other programmable data processing unit, create the unit of the function/action of regulation in the one or more square frames in flowchart and/or block diagram.These computer-readable program instructions can also be stored in a computer-readable storage medium, these instructions make computer, programmable data processing unit and/or other equipment work in a specific way, thus, storage has the computer-readable medium of instruction then to include a manufacture, and it includes the instruction of the various aspects of the function/action of regulation in the one or more square frames in flowchart and/or block diagram.
Computer-readable program instructions can also be loaded on computer, other programmable data processing unit or miscellaneous equipment, make execution sequence of operations step on computer, other programmable data processing unit or miscellaneous equipment, to produce computer implemented process so that on computer, other programmable data processing unit or miscellaneous equipment perform instruction flowchart and/or block diagram in one or more square frames in regulation function/action.
Flow chart and block diagram in accompanying drawing show according to the system of multiple embodiments of the present invention, the architectural framework in the cards of method and computer program product, function and operation.In this, flow chart or each square frame in block diagram can represent a part for a unit, program segment or instruction, and a part for described unit, program segment or instruction comprises the executable instruction of one or more logic function for realizing regulation.At some as in the realization replaced, the function marked in square frame can also to be different from the order generation marked in accompanying drawing.Such as, two continuous print square frames can essentially perform substantially in parallel, and they can also perform sometimes in the opposite order, and this determines according to involved function.It will also be noted that, the combination of the square frame in each square frame in block diagram and/or flow chart and block diagram and/or flow chart, can realize by the special hardware based system of the function or action that perform regulation, or can realize with the combination of specialized hardware Yu computer instruction.It is well known that to those skilled in the art, the mode realized by hardware mode, being realized by software mode and being combined by software and hardware realizes being all of equal value.
Being described above various embodiments of the present invention, described above is illustrative of, and non-exclusive, and it is also not necessarily limited to disclosed each embodiment.When not necessarily departing from the scope and spirit of illustrated each embodiment, many modifications and changes will be apparent from for those skilled in the art.The selection of term used herein, it is intended to explain the principle of each embodiment, practical application or to the technological improvement in market best, or make other those of ordinary skill of the art be understood that each embodiment disclosed herein.The scope of the present invention be defined by the appended claims.
Claims (10)
1. a Texture Processing Methods, is applied to electronic equipment, it is characterised in that
Described electronic equipment includes the first processing unit and the second processing unit, and described method includes:
By the first processing unit, first texture with the first coded format being sent to the second processing unit, described first coded format is not belonging to the texture coding form that described electronic equipment is supported；
By described second processing unit, described first texture decoder is obtained the first corresponding texture color data；
Described first texture color data encoding is obtained second texture with the second coded format by described second processing unit, and described second coded format is the texture coding form that described electronic equipment is supported.
2. method according to claim 1, it is characterised in that the described step that by described second processing unit, described first texture decoder is obtained the first corresponding texture color data, including:
By described second processing unit, described first texture is divided into the texture block of multiple appointment size；
By described second processing unit, each described texture block is decoded parallel, obtain respectively described first texture color data comprise respectively with each described texture block the second texture color data one to one.
3. method according to claim 2, it is characterised in that described by described second processing unit, each described texture block is decoded parallel, obtains the step of the second texture color data corresponding with each described texture block respectively, including:
By described second processing unit, each described texture block is divided into the Streak block specified number；
By described second processing unit, each described Streak block is decoded parallel, obtain respectively described second texture color packet containing respectively with each described Streak block third texture color data one to one.
4. method according to claim 1, it is characterised in that the described step being obtained the collective encoding of described color elements by described second processing unit there is the second texture of the second coded format, including:
By described second processing unit, described first texture color data are divided into the texture color data block of predefined size；
By described second processing unit, described texture color data block being encoded parallel, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described data texturing block respectively.
By described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that there is the second texture of the second coded format.
5. method according to claim 2, it is characterised in that the described step being obtained the collective encoding of described color elements by described second processing unit there is the second texture of the second coded format, including:
By described second processing unit, described second texture color data parallel being encoded, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described second texture color data respectively；
By described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that there is the second texture of the second coded format.
6. an electronic equipment, it is characterised in that including:
First processing unit and the second processing unit；
Described first processing unit, for first texture with the first coded format is sent to the second processing unit, described first coded format is not belonging to the texture coding form that described electronic equipment is supported；
Described second processing unit, including:
Texture decoder subelement, for obtaining the first corresponding texture color data by described first texture decoder；
Texture re-encoding subelement, for described first texture color data encoding obtains second texture with the second coded format, described second coded format is the texture coding form that described electronic equipment is supported.
7. electronic equipment according to claim 6, it is characterised in that described texture decoder subelement, including:
Texture divides subelement, for described first texture is divided into the texture block of multiple appointment size；
Texture block decoding subelement, for each described texture block is decoded parallel, obtain respectively described first texture color data comprise respectively with each described texture block the second texture color data one to one.
8. electronic equipment according to claim 7, it is characterised in that described texture block decoding subelement, including:
Texture block divides subelement, for each described texture block is divided into the Streak block specified number；
Streak block decoding subelement, for each described Streak block is decoded parallel, obtain respectively described second texture color packet containing respectively with each described Streak block third texture color data one to one.
9. electronic equipment according to claim 6, it is characterised in that described texture re-encoding unit, including:
Color data divides subelement, for described first texture color data are divided into the texture color data block of predefined size by described second processing unit；
Color data block coded sub-units, for described texture color data block being encoded parallel by described second processing unit, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described data texturing block respectively；
Internal form heavily assigns subelement, by described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that have the second texture of the second coded format.
10. electronic equipment according to claim 7, it is characterised in that described texture re-encoding unit, including:
Color data block coded sub-units, for described second texture color data parallel being encoded by described second processing unit, what the re-encoding texture that acquisition is corresponding with the first texture color data respectively comprised re-encodes texture block one to one with each described second texture color data respectively；
Internal form heavily assigns subelement, by described second processing unit, described re-encoding texture is reassigned textured inner form, it is thus achieved that have the second texture of the second coded format.
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