CN108664284A - The method and storage medium that scene is shown are carried out based on detail technology - Google Patents
The method and storage medium that scene is shown are carried out based on detail technology Download PDFInfo
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- CN108664284A CN108664284A CN201810436381.6A CN201810436381A CN108664284A CN 108664284 A CN108664284 A CN 108664284A CN 201810436381 A CN201810436381 A CN 201810436381A CN 108664284 A CN108664284 A CN 108664284A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44594—Unloading
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Abstract
The present invention provides a kind of carrying out the method that shows of scene and storage medium based on detail technology, wherein method includes：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models；The LOD entities are added in LOD threads and open the LOD threads that do not open；The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.While the present invention can promote image frame transmission rate, maximizes and save memory.
Description
Technical field
It is specific next the present invention relates to computer picture display technology field more particularly to the efficient display methods of scenic picture
Say to be exactly a kind of the method that shows of scene and storage medium to be carried out based on detail technology.
Background technology
LOD (Levels of Detail, detail) technology refers to the node according to object model in display environment
Location and importance determine the resource allocation that object renders, the face number and degrees of detail of insignificant object are reduced, to obtain
Obtain efficient rendering operation.
LOD on conventional meaning can be loaded simultaneously in many levels LOD models to memory, but only shows the level of needs,
Although the fluency of picture frame transmission rate per second and picture is improved, EMS memory occupation is larger, for performance configuration
Low equipment can also have display Caton phenomenon, and picture shows not ideal enough.
Therefore, it while those skilled in the art effectively showing scenic picture there is an urgent need for research and development one kind, reduces in computing device
Deposit the image frame rendering intent of consumption.
Invention content
In view of this, the technical problem to be solved in the present invention is that provide one kind carrying out scene based on detail technology
The method and storage medium of display, solving in the prior art while loading in many levels LOD models to memory leads to scene
Picture shows the problem of interim card.
In order to solve the above-mentioned technical problem, specific implementation mode of the invention provide it is a kind of based on detail technology into
The method that row scene is shown, including：LOD height mold layer time path is organized to LOD entities according to the file structure of LOD models
In；The LOD entities are added in LOD threads and open the LOD threads that do not open；It is loaded using the LOD threads
The LOD models under the LOD height mould hierarchical path.
The specific implementation mode of the present invention also provides a kind of computer storage media including computer executed instructions, described
When computer executed instructions are handled via data processing equipment, which executes is carried out based on detail technology
The method that scene is shown.
Above-mentioned specific implementation mode according to the present invention based on detail technology it is found that carry out the method that scene is shown
And storage medium at least has the advantages that：On the basis of carrying out scene rendering operation, when switching between multi-layer, add
Enter constantly to read the operation of file, it is interior in the case of solving small scene, model highly dense so as to reduce the consumption of memory
It deposits and occupies the excessive feelings of excessively high and DrawCall (i.e. CPU calls underlying graphics to draw interface, and order GPU executes Rendering operations)
Condition.The configuration of some user computers is relatively fallen behind, when cpu performance and low memory, can also promote the same of image frame transmission rate
When, it maximizes and saves memory.
It is to be understood that above-mentioned general description and detailed description below are merely illustrative and illustrative, not
It can the limitation range of the invention to be advocated.
Description of the drawings
Following appended attached drawing is the part of specification of the present invention, depicts example embodiments of the present invention, institute
Attached drawing is used for illustrating the principle of the present invention together with the description of specification.
Fig. 1 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment one flow chart.
Fig. 2 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment two flow chart.
Fig. 3 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment three flow chart.
Fig. 4 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Example IV flow chart.
Fig. 5 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment five flow chart.
Specific implementation mode
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will with attached drawing and in detail
Narration clearly illustrates that the spirit of disclosed content, any skilled artisan are understanding the content of present invention
After embodiment, when the technology that can be taught by the content of present invention, it is changed and modifies, without departing from the essence of the content of present invention
God and range.
The illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but not as a limitation of the invention.
In addition, in the drawings and embodiments the use of element/component of same or like label is for representing same or like portion
Point.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
It is non-to limit the present invention, only for distinguishing the element described with same technique term or operation.
About direction term used herein, such as：Upper and lower, left and right, front or rear etc. are only the sides of refer to the attached drawing
To.Therefore, the direction term used is intended to be illustrative and not intended to limit this creation.
It is the term of opening, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", include the things any or all combinations.
Include " two " and " two or more " about " multiple " herein；Include " two groups " about " multigroup " herein
And " more than two ".
About term used herein " substantially ", " about " etc., to modify it is any can be with the quantity or mistake of microvariations
Difference, but this slight variations or error can't change its essence.In general, microvariations that such term is modified or error
Range in some embodiments can be 20%, in some embodiments can be 10%, can be in some embodiments 5% or its
His numerical value.It will be understood by those skilled in the art that the aforementioned numerical value referred to can be adjusted according to actual demand, it is not limited thereto.
It is certain describing the word of the application by lower or discuss in the other places of this specification, to provide art technology
Personnel's guiding additional in relation to the description of the present application.
Fig. 1 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment one flow chart, as shown in Figure 1, the file structure according to LOD models arrives LOD height mold layer time path tissue
In LOD entities, the LOD entities are added in LOD threads, are loaded under the LOD height mould hierarchical path by LOD threads
The LOD models.
In the specific implementation mode shown in the drawings, carrying out the method that scene is shown based on detail technology includes：
Step 101：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models.This hair
Include the description to LOD entities in bright embodiment, in the file structure of LOD models, it can by the file structure of LOD models
Organizing in LOD height mold layer time path into LOD entities.
Step 102：The LOD entities are added in LOD threads and open the LOD threads that do not open.The present invention
Embodiment in, pass through call LOD threads realize process resource distribution.
Step 103：The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.This hair
In bright embodiment, LOD models are loaded into memory using LOD threads.
Referring to Fig. 1, only being loaded using LOD threads needs level to be shown, while ensureing picture smoothness, reduces and calculates
Device memory consumes, and is not in picture Caton phenomenon.
Fig. 2 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment two flow chart, as shown in Fig. 2, if the current-configuration of computing device meets preset configuration, into LOD entities plus
Carry scene packet.
In the specific implementation mode shown in the drawings, before step 101, scene is carried out based on detail technology and is shown
Method further include：
Step 100：According to the current-configuration of collecting device into the LOD entities loading scenario packet.The implementation of the present invention
In example, step 100 specifically includes：According to the current-configuration and preset configuration loading scenario packet into the LOD entities.
Referring to Fig. 2, if it is new edition engine, it may be considered that loading scenario packet makes the picture of rendering more splendid, otherwise not
Energy loading scenario packet, prevents picture interim card, improves user experience.
Fig. 3 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment three flow chart, as shown in figure 3, after the LOD models under loading LOD height mould hierarchical paths, if currently
Scene changes determine the LOD models under the LOD height mould hierarchical paths for needing load or unload.
In the specific implementation mode shown in the drawings, after step 103, scene is carried out based on detail technology and is shown
Method further include：
Step 104：It is periodically detected whether current scene changes.In the embodiment of the present invention, refreshing or camera are forced
When mobile, current scene changes.If current scene does not change, the LOD models of LOD entities need not be changed.
Step 105：Determine that the LOD entities need described in load or unload after the current scene changes
The LOD models under LOD height mould hierarchical paths.In the embodiment of the present invention, after current scene changes, in scene
Part or all of object change relative to the position of collecting device (for example, occur new object in current scene, some objects
Body disappears from current scene, some objects change relative to the distance of collecting device), need load newly object pair occur
The LOD models answered, while needing to unload the LOD models to disappear from current scene.Collecting device can be camera, video camera,
Video recorder etc..
Referring to Fig. 3, with the update of current scene, the LOD models of LOD entities is constantly updated, discharge collecting device in time
Memory, ensure that picture shows and do not block.
Fig. 4 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
The flow chart of example IV need to be ranked up LOD entities as shown in figure 4, before determining load or unload LOD models,
LOD entities are ranked up, determine the scheduling scale parameter of LOD entities.
In the specific implementation mode shown in the drawings, before step 105, scene is carried out based on detail technology and is shown
Method further include：
Step 104-1：The LOD entities are ranked up in a manner of being extended around from screen center.The present invention's
In embodiment, LOD entities are ranked up, convenient for CPU processing.
Step 104-2：The scheduling scale parameter of the LOD entities is determined according to the calculating digit of collecting device.The present invention
Embodiment in, determine the scheduling scale parameter of LOD entities, convenient for load or unload LOD height mould hierarchical paths under LOD
Model.
Step 104-3：Traverse complete sequence of all LOD entities completions to all LOD entities.
Referring to Fig. 4, LOD entities are ranked up, and determine the scheduling scale parameter of LOD entities, it may be determined that LOD entities
Need the LOD models under the LOD height mould hierarchical paths of load or unload.
Fig. 5 is a kind of method shown based on detail technology progress scene that the specific embodiment of the invention provides
Embodiment five flow chart, as shown in figure 5, determining that LOD entities need under the LOD height mould hierarchical paths of load or unload
LOD models.
In the specific implementation mode shown in the drawings, step 105 specifically includes：
Step 105-1：Judge target object whether in current scene.In the embodiment of the present invention, target object does not exist
In current scene, need to unload the LOD models under the LOD height mould hierarchical paths of the corresponding LOD entities of target object, in saving
Deposit space.
Step 105-2：If not in the current scene, the corresponding LOD entities of the target object are unloaded
The LOD models under the LOD height mould hierarchical path.
Step 105-3：Otherwise, further judge the collecting device of the encirclement ball and the current scene of the target object
Whether distance is less than first threshold.In the embodiment of the present invention, if distance of the target object apart from collecting device is too small, need
Re-rendered to the target object, i.e., the LOD levels of the corresponding LOD entities of target object are switched to LOD high mould hierarchical paths.
In addition, the first threshold can be 30cm~80cm.
Step 105-4：If so, the LOD levels of the corresponding LOD entities of the target object are switched to LOD high
Mould hierarchical path.
Step 105-5：Otherwise, further judge the encirclement ball of the target object on the screen shared resolution ratio whether
Less than second threshold.In the embodiment of the present invention, if distance of the target object apart from collecting device is excessive, and target object
Encirclement ball shared resolution ratio is less than second threshold again on the screen, then unloading the LOD of the corresponding LOD entities of target object
LOD models under height mould hierarchical path.In addition, the second threshold can be 3%~8%.
Step 105-6：If so, unloading the LOD height mold layer time of the corresponding LOD entities of the target object
The LOD models under path.
Step 105-7：Otherwise, the LOD levels of the corresponding LOD entities of the target object are switched to the low moulds of LOD
Hierarchical path.In the embodiment of the present invention, if distance of the target object apart from collecting device is excessive, and the packet of target object
Enclosing ball, shared resolution ratio is not less than second threshold on the screen, then the LOD levels of the corresponding LOD entities of target object are cut
The low mould hierarchical paths of LOD are changed to, i.e., fuzzy display are carried out to the target object.
In specific embodiments of the present invention, the specific reality of the encirclement ball of the target object shared resolution ratio on the screen
Now step includes：Construct the circumsphere of the target object；The circumsphere is set as to the encirclement ball of the target object；Root
Round half of the encirclement ball on the screen is calculated according to the matrix parameter of the radius for surrounding ball and the collecting device
Diameter；Circular area is calculated according to the circular radius；The mesh is obtained according to the area of the circular area and the screen
Mark object encirclements ball on the screen shared by resolution ratio.
The specific implementation mode of the present invention provides a kind of computer storage media including computer executed instructions, the meter
Calculation machine executes instruction when being handled via data processing equipment, which executes carries out field based on detail technology
The method that scape is shown.This approach includes the following steps：
Step 101：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models.
Step 102：The LOD entities are added in LOD threads and open the LOD threads that do not open.
Step 103：The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.
Another embodiment of the present invention provides a kind of computer storage media including computer executed instructions, institute
When stating computer executed instructions and being handled via data processing equipment, the data processing equipment execute based on detail technology into
The method that row scene is shown.This approach includes the following steps：
Step 100：According to the current-configuration of collecting device into the LOD entities loading scenario packet.
Step 101：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models.
Step 102：The LOD entities are added in LOD threads and open the LOD threads that do not open.
Step 103：The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.
Another embodiment of the present invention provides a kind of computer storage media including computer executed instructions, institute
When stating computer executed instructions and being handled via data processing equipment, the data processing equipment execute based on detail technology into
The method that row scene is shown.This approach includes the following steps：
Step 101：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models.
Step 102：The LOD entities are added in LOD threads and open the LOD threads that do not open.
Step 103：The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.
Step 104：It is periodically detected whether current scene changes.
Step 105：Determine that the LOD entities need described in load or unload after the current scene changes
The LOD models under LOD height mould hierarchical paths.
Another embodiment of the present invention provides a kind of computer storage media including computer executed instructions, institute
When stating computer executed instructions and being handled via data processing equipment, the data processing equipment execute based on detail technology into
The method that row scene is shown.This approach includes the following steps：
Step 101：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models.
Step 102：The LOD entities are added in LOD threads and open the LOD threads that do not open.
Step 103：The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.
Step 104：Current scene is periodically detected to change.
Step 104-1：The LOD entities are ranked up in a manner of being extended around from screen center.
Step 104-2：The scheduling scale parameter of the LOD entities is determined according to the calculating digit of collecting device.
Step 104-3：Traverse complete sequence of all LOD entities completions to all LOD entities.
Step 105：It is described under the LOD height mould hierarchical path of load or unload to determine that the LOD entities need
LOD models.
Another embodiment of the present invention provides a kind of computer storage media including computer executed instructions, institute
When stating computer executed instructions and being handled via data processing equipment, the data processing equipment execute based on detail technology into
The method that row scene is shown.This approach includes the following steps：
Step 101：It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models.
Step 102：The LOD entities are added in LOD threads and open the LOD threads that do not open.
Step 103：The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.
Step 104：Current scene is periodically detected to change.
Step 104-1：The LOD entities are ranked up in a manner of being extended around from screen center.
Step 104-2：The scheduling scale parameter of the LOD entities is determined according to the calculating digit of collecting device.
Step 104-3：Traverse complete sequence of all LOD entities completions to all LOD entities.
Step 105-1：Judge target object whether in current scene.
Step 105-2：If not in the current scene, the corresponding LOD entities of the target object are unloaded
The LOD models under the LOD height mould hierarchical path.
Step 105-3：Otherwise, further judge the collecting device of the encirclement ball and the current scene of the target object
Whether distance is less than first threshold.
Step 105-4：If so, the LOD levels of the corresponding LOD entities of the target object are switched to LOD high
Mould hierarchical path.
Step 105-5：Otherwise, further judge the encirclement ball of the target object on the screen shared resolution ratio whether
Less than second threshold.
Step 105-6：If so, unloading the LOD height mold layer time of the corresponding LOD entities of the target object
The LOD models under path.
Step 105-7：Otherwise, the LOD levels of the corresponding LOD entities of the target object are switched to the low moulds of LOD
Hierarchical path.
It is provided in specific embodiments of the present invention and a kind of the method that shows of scene is carried out based on detail technology and is deposited
On the basis of carrying out scene rendering operation, when switching between multi-layer, the operation for constantly reading file is added in storage media, from
And the consumption of memory can be reduced, in the case of solving small scene, model highly dense, EMS memory occupation is excessively high and DrawCall (i.e.
CPU calls underlying graphics to draw interface, and order GPU executes Rendering operations) excessive situation.For some user computers configuration compared with
Fall behind, when cpu performance and low memory, while capable of also promoting image frame transmission rate, maximizes and save memory.
The above-mentioned embodiment of the present invention can be implemented in various hardware, Software Coding or both combination.For example, this hair
Bright embodiment, which is alternatively in data signal processor (Digital Signal Processor, DSP), executes the above method
Program code.The present invention can also refer to computer processor, digital signal processor, microprocessor or field-programmable gate array
Arrange the multiple functions that (Field Programmable Gate Array, FPGA) is executed.Above-mentioned processing can be configured according to the present invention
Device executes particular task, and machine-readable software code or the firmware generation of the ad hoc approach that the present invention discloses are defined by executing
Code is completed.Software code or firmware code can be developed into different program languages and different formats or form.Or
Different target platform composing software codes.However, configuring generation according to the software code of execution task of the present invention and other types
Different code pattern, type and the language of code do not depart from spirit and scope of the invention.
The foregoing is merely the schematical specific implementation modes of the present invention, before the design and principle for not departing from the present invention
It puts, the equivalent variations and modification that any those skilled in the art is made should all belong to the scope of protection of the invention.
Claims (10)
1. a kind of carrying out the method that shows of scene based on detail technology, which is characterized in that this method includes：
It will be in the tissue to LOD entities of LOD height mold layer time path according to the file structure of LOD models；
The LOD entities are added in LOD threads and open the LOD threads that do not open；And
The LOD models under the LOD height mould hierarchical path are loaded using the LOD threads.
2. carrying out the method that scene is shown based on detail technology as described in claim 1, which is characterized in that according to
By before the tissue to the step in LOD entities of LOD height mold layer time path, this method further includes the file structure of LOD models：
According to the current-configuration of collecting device into the LOD entities loading scenario packet.
3. carrying out the method that shows of scene based on detail technology as claimed in claim 2, which is characterized in that according to adopting
The current-configuration of collection equipment the step of loading scenario packet, is specifically included into the LOD entities：
According to the current-configuration and preset configuration loading scenario packet into the LOD entities.
4. carrying out the method that scene is shown based on detail technology as described in claim 1, which is characterized in that utilize institute
After stating the step of LOD threads load the LOD models under the LOD height mould hierarchical path, this method further includes：
It is periodically detected whether current scene changes；
Determine that the LOD entities need the LOD height mold layer time of load or unload after the current scene changes
The LOD models under path.
5. carrying out the method that scene is shown based on detail technology as claimed in claim 4, which is characterized in that determine institute
Before stating the step of LOD entities need the LOD models under the LOD height mould hierarchical path of load or unload, the party
Method further includes：
The LOD entities are ranked up in a manner of being extended around from screen center；
The scheduling scale parameter that the LOD entities are determined according to the calculating digit of collecting device is needed with the determination LOD entities
The LOD models under the LOD height mould hierarchical path of load or unload.
6. carrying out the method that shows of scene based on detail technology as claimed in claim 5, which is characterized in that according to adopting
After the step of calculating digit of collection equipment determines the scheduling scale parameter of the LOD entities, this method further includes：
Traverse complete sequence of all LOD entities completions to all LOD entities.
7. carrying out the method that scene is shown based on detail technology as claimed in claim 4, which is characterized in that determine institute
The step of LOD entities need the LOD models under the LOD height mould hierarchical path of load or unload is stated, is specifically included：
Judge target object whether in current scene；
If not in the current scene, the LOD height mold layer of the corresponding LOD entities of the target object is unloaded
The LOD models under secondary path；
Otherwise, further judge whether the collecting device distance for surrounding ball and the current scene of the target object is less than the
One threshold value；
If so, the LOD levels of the corresponding LOD entities of the target object are switched to LOD high mould hierarchical paths；
Otherwise, further judge whether shared resolution ratio is less than second threshold on the screen for the encirclement ball of the target object；
If so, described under unloading the LOD height mould hierarchical paths of the corresponding LOD entities of the target object
LOD models；
Otherwise, the LOD levels of the corresponding LOD entities of the target object are switched to the low mould hierarchical paths of LOD.
8. carrying out the method that scene is shown based on detail technology as claimed in claim 7, which is characterized in that the mesh
Mark the encirclements ball of object on the screen shared by the specific implementation step of resolution ratio include：
Construct the circumsphere of the target object；
The circumsphere is set as to the encirclement ball of the target object；
The encirclement ball is calculated according to the matrix parameter of the radius for surrounding ball and the collecting device on the screen
Circular radius；
Circular area is calculated according to the circular radius；
The encirclement ball of the target object shared point on the screen is obtained according to the area of the circular area and the screen
Resolution.
9. carrying out the method that shows of scene based on detail technology as claimed in claim 7, which is characterized in that described the
One threshold value is 30cm~80cm；The second threshold is 3%~8%.
10. a kind of computer storage media including computer executed instructions, the computer executed instructions are via data processing
When equipment processing, which requires 1~9 any described to carry out scene based on detail technology
The method of display.
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| CN108664284B (en) | 2021-04-23 |
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