CN104751507B - Graphical content rendering intent and device - Google Patents
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Abstract
The present invention provides a kind of content rendering intent and device, is related to Internet technology.Wherein, a kind of graphical content rendering intent, including：Render tree is constructed, render tree includes multiple post-processing objects；Rendering node list is generated, rendering node includes the reference to post-processing object；Rendering node in rendering node list is ranked up, sequence includes：Multiple rendering nodes corresponding to identical post-processing object are chosen from rendering node list；Rendering node to be processed will be needed to choose into opaque list in multiple rendering nodes corresponding to identical post-processing object, and rendering node to be processed will be not required to and chosen into transparent list；Overall sequence is carried out to transparent list and opaque list；The render instruction for indicating to render rendering node is generated, render instruction includes the rendering state and grid data of rendering node.Based on above-mentioned technical proposal, rendering speed can be accelerated, improve Consumer's Experience.
Description
Technical field
The present invention relates to Internet technology, more particularly to a kind of graphical content rendering intent and device.
Background technology
With the popularization of computer technology, requirement more and more higher that people are handled mobile terminal figure.In order to accelerate to scheme
The processing of shape, except CPU（Central processing unit, central processing unit) outside, professional graphics processor GPU
（Graphic Processing Unit, graphics processor）Also more and more participate in the graphics process of mobile terminal.
Although current carried out accelerating the precedent rendered, existing technology using the GPU of mobile terminal to figure
Have no basis mobile terminal GPU rendering pipelines the characteristics of processing is optimized to render instruction, so as to cause unnecessary money
Source consumes, and has dragged slowly rendering efficiency.
The content of the invention
The embodiment of the present invention provides a kind of method for rendering graph and device, to accelerate rendering speed, improves Consumer's Experience.
On the one hand, the present invention provides a kind of graphical content rendering intent, including：Render tree is constructed, render tree includes multiple
Post-processing object；Rendering node list is generated, rendering node includes the reference to post-processing object；To rendering in rendering node list
Node is ranked up, and sequence includes：Multiple rendering nodes corresponding to identical post-processing object are chosen from rendering node list；Will
Rendering node to be processed is needed to choose into opaque list in multiple rendering nodes corresponding to identical post-processing object, and will not
Rendering node to be processed is needed to choose into transparent list；Overall sequence is carried out to transparent list and opaque list；Generation is used
In the render instruction that instruction is rendered to rendering node, render instruction includes the rendering state and grid data of rendering node.
In one embodiment, graphical content rendering intent also includes：Render tree is traveled through, used multiple is collected and renders
Target；Multiple post-processing objects are spliced into one or more textures to concentrate so that rendering node includes the reference to texture collection.
In one embodiment, sequence also includes：To the rendering node in opaque list according to texture, tinter and/
Or depth value is ranked up.
In one embodiment, graphical content rendering intent also includes：Rendering state identical rendering node is merged into
One rendering node.
In one embodiment, graphical content rendering intent also includes：Two or more adjacent after selected and sorted and
Rendering state identical rendering node；By the buffer unit division in the grid data for the rendering node selected and in same caching
In.
On the other hand, the present invention also provides a kind of graphical content rendering device, including：Constructing module is set, for constructing wash with watercolours
Dye tree, render tree include multiple post-processing objects；Node listing generation module, for generating rendering node list, rendering node bag
Include the reference to post-processing object；Order module, for being ranked up to the rendering node in rendering node list, order module bag
Include：Unit is chosen, for choosing multiple rendering nodes corresponding to identical post-processing object from rendering node list；Grouping sheet
Member, opaque list is arrived for rendering node to be processed will to be needed to choose in multiple rendering nodes corresponding to identical post-processing object
In, and rendering node to be processed will be not required to and chosen into transparent list；First sequencing unit, for transparent list and impermeable
Bright list carries out overall sequence；Directive generation module, the render instruction rendered for generating instruction to rendering node, is rendered
Instruction includes the rendering state and grid data of rendering node.
In one embodiment, graphical content rendering device also includes：Spider module, for traveling through render tree, collect quilt
The multiple post-processing objects used；Concatenation module, concentrated for multiple post-processing objects to be spliced into one or more textures so that wash with watercolours
Contaminating node includes the reference to texture collection.
In one embodiment, order module also includes：Second sequencing unit, for rendering section in opaque list
Point is ranked up according to texture, tinter and/or depth value.
In one embodiment, graphical content rendering device also includes：Merging module, for by rendering state identical wash with watercolours
Dye node merges into a rendering node.
In one embodiment, merging module includes：Selecting unit, for two or more adjacent after selected and sorted
And rendering state identical rendering node；Combining unit, for by the caching part in the grid data for the rendering node selected
Merge in same caching.
Based on above technical scheme, it is ranked up by the rendering node in rendering node list, wash with watercolours can be reduced
The switching of dye state, so as to optimize render instruction, the speed of system operation is accelerated, improves Consumer's Experience.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, not
Form limitation of the invention.In the accompanying drawings：
Fig. 1 is the flow chart of graphical content rendering intent according to embodiments of the present invention；
Fig. 2 is the flow chart of graphical content rendering intent according to another embodiment of the present invention；
Fig. 3 is the example of render tree according to embodiments of the present invention；
Fig. 4 is an application scenarios according to embodiments of the present invention；
Fig. 5 is the flow chart of the sort method of rendering node according to embodiments of the present invention；
Fig. 6 is the rendering node example after sequence according to embodiments of the present invention；
Fig. 7 is the structural representation of graphical content rendering device according to embodiments of the present invention；
Fig. 8 is the structural representation of order module according to embodiments of the present invention；
Fig. 9 is the structural representation of graphical content rendering device according to another embodiment of the present invention；
Figure 10 is the structural representation of merging module according to embodiments of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, the present invention is implemented below in conjunction with the accompanying drawings
Example is described in further detail.Here, the schematic description and description of the present invention is used to explain the present invention, but it is not intended as
Limitation of the invention.
The present invention is described in further detail referring now to accompanying drawing.The present invention can realize in many different forms, no
It should be understood that and be only limitted to embodiments set forth herein.These embodiments are only used as example offer, to be this area skill
Art personnel provide the complete understanding to the present invention.
Fig. 1 is the flow chart of graphical content rendering intent 100 according to embodiments of the present invention.
In a step 102, render tree is constructed, render tree includes multiple post-processing objects（RT）.
At step 104, rendering node list is generated, rendering node includes the reference to post-processing object.
In step 106, the rendering node in rendering node list is ranked up.Specifically, in this step can be with
Including：Multiple rendering nodes corresponding to identical post-processing object are chosen from rendering node list；By the plurality of corresponding to identical
Need rendering node to be processed to choose into opaque list in the rendering node of post-processing object, and to be processed render will be not required to
Node selection is into transparent table；Overall sequence is carried out to above-mentioned transparent list and opaque list.
In step 108, the render instruction that rendering node is rendered for instruction is generated, render instruction includes rendering node
Rendering state and grid data.
Based on above technical scheme, it is ranked up by the rendering node in rendering node list, wash with watercolours can be reduced
The switching of dye state, so as to optimize render instruction, the speed of system operation is accelerated, improves Consumer's Experience.
Fig. 2 is the flow chart of content rendering intent 200 according to another embodiment of the present invention.
In step 202, render tree is constructed, render tree includes multiple post-processing objects.In one embodiment, render tree
Form can be with as shown in figure 3, be one with screen RT（RT0）For the tree structure of root node.Each of which RT can be included
Any number of original plot operations（Draw Primitive, DP）.Equivalent to one fixed-size painting canvas of RT, and to painting canvas
Equivalent to one DP is operated each time.In addition to screen RT, other RT can be quoted as texture by DP.Therefore can construct
One tree structure, to record the drawing process of whole scene, basis is provided for follow-up optimization.
Each DP is made up of two logical gates：Fill component（Fill Component）And mesh component（Mesh
Component）.Filling component can include：The type of the operation, that is, fill picture, color, word or editor's masking-out or use
Filter etc.；Tinter；Depth value；And some parameters needed for the type operation, such as texture, the conversion square of texture quoted
Battle array etc..When rendering graphical content, fill out an adequate amount of type and be relatively fixed, each type can correspond to limited one or more
Tinter.Mesh component can include the shape that the operation is drawn, that is, be likely to be quadrangle, path, triangle sequence etc.
Other Mesh types.In one embodiment, it is one-to-one to fill component and mesh component, and between mesh component with
And between filling component, in the absence of interaction relationship.
In step 204, render tree is traveled through, collects the multiple post-processing objects used.Because RT can be used as texture quilt
DP is quoted, and therefore, when traveling through render tree caused by back, can collect the texture being used.
In step 206, multiple post-processing objects are spliced into one or more textures to concentrate so that rendering node includes pair
The reference of texture collection.The texture collected can be spliced in one or more relatively large textures.Can by this or it is more
Individual big texture is called texture collection.And the texture being spliced can be some less picture, words etc..Some data pass through
CPU can also be used as texture after being rasterized into image.In the embodiment having, bigger picture can be without splicing.
It can be the reference to texture collection by the texture update quoted in DP, allow it to correctly refer to splicing
Texture afterwards.The operation of renewal is related to the modification of the texture and respective texture coordinate to being quoted in filling component.Can be multiple
Addition texture is concentrated to texture, some texture can also be concentrated from texture and deleted, can so reuse texture collection.
Pass through the operation to texture collection, it is possible to reduce the unnecessary expense that the switching of texture is brought, can also be by more
DP merges, and reduces the calling of render instruction., can be existing using some in order to dynamically complete texture splicing when program is run
Algorithm, such as simple arrangement, KDTree or some intelligent algorithms.Suitable algorithm can be selected according to the characteristics of texture.
Fig. 4 is a scene using the present invention., it is necessary to show Bitmap1 in scene as shown in Figure 5,
This three pictures of Bitmap2, Bitmap3.If directly realized using GPU, then need to produce three textures, and render
When need switched between this three textures.And if these pictures are placed on a big texture（That is texture collection）In,
Obvious can reduces the number of texture switching, and by further optimizing, can accomplish that a render instruction is used only
With regard to three pictures can be rendered on screen simultaneously.
In a step 208, rendering node list is generated, rendering node includes the reference to post-processing object.Depth-first time
Render tree caused by previous step is gone through, a rendering node list can be obtained.It can be included in rendering node and RT and DP are drawn
With.Rendering node in rendering node list is arranged with original rendering order.
In step 210, the rendering node in rendering node list is ranked up, not change final rendering result
Under conditions of, optimize DP order so that the number of GPU state switching is reduced.Specific sort method is as shown in Figure 5.
In step 502, multiple rendering nodes corresponding to identical post-processing object are chosen from rendering node list.One
In individual embodiment, these rendering nodes for corresponding to identical post-processing object can be continuous and correspond to identical post-processing object a string
Rendering node.In step 504, rendering node to be processed will be needed in multiple rendering nodes corresponding to identical post-processing object
Choose in opaque list, and rendering node to be processed will be not required to and chosen into transparent list.In one embodiment, it is right
The processing of these rendering nodes can be mixed processing.In step 506, overall row is carried out to transparent list and opaque list
Sequence.In one embodiment, all rendering nodes in transparent list can be integrally ordered into the wash with watercolours of all opaque lists
After dye node.
In one embodiment, sort method can also include：To the rendering node in opaque list according to texture,
Color device and/or depth value are ranked up.
That is, carry out covering cutting using GPU.Because GPU is in rasterisation, can be tested according to depth buffer current
The depth value of point, if meeting the depth function of setting, then just represent current point by more forwardly of graph shealtering, you can
To determine that current point is not necessarily to by grating.Therefore, handled via sequence as shown in Figure 5, that is, ensure that render it is correct
Property, the number of pixels of rasterisation is decreased, rendering efficiency greatly improved.
Rendering node after sequence can be as shown in Figure 6.Fig. 6 is only an example according to embodiments of the present invention, not
It is construed as limiting the invention.
With continued reference to shown in Fig. 2, in the step 212, rendering state identical rendering node is merged into one and renders section
Point.Turn into a rendering node by the way that state identical rendering node is merged, it is possible to reduce OpenGL function call.
Specifically, can be with the two or more adjacent and rendering state identical rendering node after selected and sorted.Then,
By the buffer unit division in the grid data for the rendering node selected and in same caching, it is set to be connected to an entirety.
It is rendering state and grid data respectively because each render instruction can include two parts content.Wherein render
State can include：The status informations such as post-processing object, texture, mixed mode, masking-out, tinter.These rendering states can be with
The parameter that can configure in GPU is corresponding.Grid data can include：Vertex cache, texture coordinate caching, indexed cache etc. cache
Data.These are data cached to be directly uploaded in GPU video memory.
Rendering state can be created by the filling component in DP.When creating grid data, mesh component can be entered
Row triangle division, generation vertex cache is then combined with depth value.The texture that wherein texture coordinate can pass through in filling component
The apex coordinate of matrixing.Indexed cache is caused by triangle division.
State identical rendering node is that the rendering state possessed is identical.In this case, it is possible to use a wash with watercolours
Have a finger in every pie order and once render two or more rendering nodes.
In step 214, the render instruction for indicating to render rendering node is generated.
In the step 216, render instruction is performed, i.e., is performed one by one according to the render instruction generated in step 214 and renders finger
Order.In one embodiment, rendering state can be first according to, state needed for the related interface settings of GPU is called, then by net
Lattice data buffer storage is uploaded in video memory, then drives GPU to be rendered.Finally after render instruction has performed, after presentation renders
Content.
Fig. 7 is the structural representation of graphical content rendering device 700 according to embodiments of the present invention.Content rendering device
700 include：Set constructing module 702, node listing generation module 704, order module 706 and directive generation module 708.
Constructing module 702 is set, for constructing render tree, render tree includes multiple post-processing objects.
Node listing generation module 704, for generating rendering node list, rendering node includes drawing post-processing object
With.
Order module 706, for being ranked up to the rendering node in rendering node list.
Directive generation module 708, the render instruction rendered for generating instruction to rendering node, render instruction include
The rendering state and grid data of rendering node.
In one embodiment, order module 706, as shown in figure 8, can include：Choose unit 802, taxon 804
With the first sequencing unit 806.Unit 802 is chosen, multiple corresponds to identical post-processing object for being chosen from rendering node list
Rendering node.Taxon 804, for be processed render will to be needed in multiple rendering nodes corresponding to identical post-processing object
Node selection will be not required to rendering node to be processed and choose into transparent list into opaque list.First sequencing unit
806, for carrying out overall sequence to transparent list and opaque list.
In one embodiment, order module 706 can also include the second sequencing unit, in opaque list
Rendering node is ranked up according to texture, tinter and/or depth value.
Fig. 9 is the flow chart of graphical content rendering device 900 according to another embodiment of the present invention.Content rendering device
900 include：Set constructing module 902, spider module 903, concatenation module 905, node listing generation module 904, order module
906th, directive generation module 908 and merging module 907.Wherein, constructing module 902, node listing generation module 904, sequence are set
Module 906, directive generation module 908 are similar to the function and construction of the corresponding module in Fig. 8, and here is omitted.
Spider module 903, for traveling through render tree, collect the multiple post-processing objects used.
Concatenation module 905, concentrated for multiple post-processing objects to be spliced into one or more textures so that rendering node bag
Include the reference to texture collection.
Merging module 907, for rendering state identical rendering node to be merged into a rendering node.
In one embodiment, merging module 907, as shown in Figure 10, can include：Selecting unit 1002, for selecting
Two or more adjacent and rendering state identical rendering node after sequence；And combining unit 1004, for that will select
Rendering node grid data in buffer unit division and in same caching.
Art technology person people further appreciates that, with reference to each example of the embodiments described herein description
Unit and algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate
The interchangeability of hardware and software, the composition and step of each example are generally described according to function in the above description
Suddenly.These functions are performed with hardware or software mode actually, application-specific and design constraint bar depending on technical scheme
Part.Art technology person people can realize described function using distinct methods to each specific application, but this
Kind is realized it is not considered that beyond the scope of this invention.
The method that is described with reference to the embodiments described herein can use hardware, computing device the step of algorithm
Software module, or the two combination are implemented.Software module can be placed in random access memory（RAM）, internal memory, read-only storage
（ROM）, electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Embodiment above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Illustrate, should be understood that the embodiment that these are only the present invention, the protection model being not intended to limit the present invention
Enclose, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in the present invention
Protection domain within.
Claims (10)
- A kind of 1. graphical content rendering intent, it is characterised in that including：Render tree is constructed, the render tree includes multiple post-processing objects；Rendering node list is generated, the rendering node includes the reference to the post-processing object；Rendering node in the rendering node list is ranked up, the sequence includes：Multiple rendering nodes corresponding to identical post-processing object are chosen from the rendering node list；Rendering node to be processed will be needed to choose in the multiple rendering node corresponding to identical post-processing object and arrive opaque row In table, and rendering node to be processed will be not required to and chosen into transparent list；Overall sequence is carried out to the transparent list and opaque list；The render instruction for indicating to render the rendering node is generated, the render instruction includes the rendering node Rendering state and grid data.
- 2. graphical content rendering intent according to claim 1, it is characterised in that also include：The render tree is traveled through, collects the multiple post-processing objects used；Multiple post-processing objects are spliced into one or more textures to concentrate so that the rendering node is included to the texture The reference of collection.
- 3. graphical content rendering intent according to claim 1, it is characterised in that the sequence also includes：Rendering node in the opaque list is ranked up according to texture, tinter and/or depth value.
- 4. graphical content rendering intent according to claim 1, it is characterised in that also include：Rendering state identical rendering node is merged into a rendering node.
- 5. graphical content rendering intent according to claim 4, it is characterised in that also include：Multiple adjacent and rendering state identical rendering node after selected and sorted；By the buffer unit division in the grid data for the rendering node selected and in same caching.
- A kind of 6. graphical content rendering device, it is characterised in that including：Constructing module is set, for constructing render tree, the render tree includes multiple post-processing objects；Node listing generation module, for generating rendering node list, the rendering node includes drawing the post-processing object With；Order module, for being ranked up to the rendering node in the rendering node list, the order module includes：Unit is chosen, for choosing multiple rendering nodes corresponding to identical post-processing object from the rendering node list；Taxon, for rendering node to be processed will to be needed to select in the multiple rendering node corresponding to identical post-processing object Get in opaque list, and rendering node to be processed will be not required to and chosen into transparent list；First sequencing unit, for carrying out overall sequence to the transparent list and opaque list；Directive generation module, the render instruction rendered for generating instruction to the rendering node, the render instruction bag Include the rendering state and grid data of the rendering node.
- 7. graphical content rendering device according to claim 6, it is characterised in that also include：Spider module, for traveling through the render tree, collect the multiple post-processing objects used；Concatenation module, concentrated for multiple post-processing objects to be spliced into one or more textures so that the rendering node Including the reference to the texture collection.
- 8. graphical content rendering device according to claim 6, it is characterised in that the order module also includes：Second sequencing unit, for entering to the rendering node in the opaque list according to texture, tinter and/or depth value Row sequence.
- 9. graphical content rendering device according to claim 6, it is characterised in that also include：Merging module, for rendering state identical rendering node to be merged into a rendering node.
- 10. graphical content rendering device according to claim 9, it is characterised in that the merging module includes：Selecting unit, for the multiple adjacent and rendering state identical rendering node after selected and sorted；Combining unit, for by the buffer unit division in the grid data for the rendering node selected and in same caching.
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| CN106201268B (en) * | 2016-07-11 | 2019-06-07 | 合肥速显微电子科技有限公司 | A kind of human-computer interaction interface method for rendering graph and system based on transformation matrix |
| CN107333176A (en) * | 2017-08-14 | 2017-11-07 | 北京百思科技有限公司 | The method and system that a kind of distributed video is rendered |
| CN107578456A (en) * | 2017-09-14 | 2018-01-12 | 奇酷互联网络科技（深圳）有限公司 | Processing method, equipment, mobile terminal and the computer-readable storage medium of texture |
| CN108363569B (en) * | 2018-03-07 | 2021-06-11 | 腾讯科技（深圳）有限公司 | Image frame generation method, device, equipment and storage medium in application |
| CN108733441A (en) * | 2018-04-11 | 2018-11-02 | 中国电力科学研究院有限公司 | A kind of rendering method for visualizing and system suitable for large scale electric network symbolic device |
| CN111508055B (en) * | 2019-01-30 | 2023-04-11 | 华为技术有限公司 | Rendering method and device |
| CN110209444B (en) * | 2019-03-20 | 2021-07-09 | 华为技术有限公司 | Graph rendering method and electronic equipment |
| CN110688531B (en) * | 2019-08-26 | 2022-08-26 | 北京旷视科技有限公司 | Tree component rendering method and device, data processing equipment and medium |
| CN113938750A (en) * | 2020-06-29 | 2022-01-14 | 阿里巴巴集团控股有限公司 | Video processing method and device, electronic equipment and storage medium |
| CN112685110A (en) * | 2020-12-23 | 2021-04-20 | 广东三维家信息科技有限公司 | Data processing method, data processing device, computer equipment and storage medium |
| CN115686727B (en) * | 2023-01-04 | 2023-04-14 | 麒麟软件有限公司 | Method for realizing synthesis rendering based on wlroots |
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