GRAPHICS PROCESSING APPARATUS AND METHOD FOR DETERMINING LEVEL OF DETAIL (LOD) FOR TEXTURING IN GRAPHICS PIPELINE

A method of determining a level of detail (LOD) for a texturing includes: acquiring texture coordinate data on pixels included in an upper block; determining a reference quad among quads included in the upper block; determining a similarity between the determined reference quad and the upper block using texture coordinates of the determined reference quad and the upper block; and determining LODs of remaining quads among the quads included in the upper block to be the same as an LOD of the determined reference quad in response to the determining of the similarity including determining that the determined reference quad and the upper block are similar. 1. A method of determining a level of detail (LOD) for a texturing operation , the method comprising:acquiring texture coordinate data on pixels included in an upper block;determining a reference quad among quads included in the upper block;determining a similarity between the determined reference quad and the upper block using texture coordinates of the determined reference quad and the upper block; anddetermining LODs of remaining quads among the quads included in the upper block to be the same as an LOD of the determined reference quad in response to the determining of the similarity comprising determining that the determined reference quad and the upper block are similar.2. The method of claim 1 , wherein the determining of the similarity comprises determining the similarity using a first distance between first texture coordinates corresponding to two pixels of the determined reference quad and a second distance between second texture coordinates corresponding to two pixels positioned at two edges of the upper block.3. The method of claim 2 , wherein the first texture coordinates comprise two sets of texture coordinates separated by a maximum distance among texture coordinates corresponding to four pixels of the determined reference quad.4. The method of claim 2 , wherein the second texture coordinates comprise two ...

CACHE MEMORY SYSTEM AND METHOD OF OPERATING THE SAME

A cache memory apparatus including a cache memory including a bank, a partition configuration unit configured to divide the cache memory into partitions by allocating the bank to a texture among textures for rendering, and a controller configured to receive a partition ID, of texture data requested by a device that performs the rendering, determine whether the requested texture data is stored in a partition corresponding to the partition ID among the plurality of partitions, and output the requested texture data to the device based on a result of the determination.

PROCESSOR WITH RECONFIGURABLE ARCHITECTURE

Disclosed is configuration memory access technology in a processor with a reconfigurable architecture. The processor with the reconfigurable architecture includes an array of processing elements (PEs), a configuration memory and a token network. The configuration memory stores configuration data associated with controlling data flow of the respective PEs. The token network reads the configuration data from the configuration memory, estimates data flow of the PEs from the read configuration data, reads required configuration data from the configuration memory based on the estimated data flow, and supplies the required configuration data to corresponding PEs. By reducing configuration memory access frequency through a token network, power consumption may be reduced.

APPARATUS AND METHOD OF DECOMPRESSING RENDERING DATA AND RECORDING MEDIUM THEREOF

Provided is a decompression apparatus and method thereof for decompressing rendering data. The decompression apparatus includes a data parsing unit configured to acquire a control component and a texture component from compressed input data including rendering information of an object, a decompression controller configured to allocate the control component to a control unit, wherein the control unit extracts a control command from the control component, and a logic calculation unit configured to, based on the control command, restore texture data of the object from the texture component.

METHOD AND DEVICE FOR TEXTURE FILTERING

A method and a device for texture filtering include determining an upper mipmap and a lower mipmap based on a level of detail (LOD) value corresponding to a quad, obtaining first color values corresponding to the upper mipmap, obtaining second color values corresponding to the lower mipmap, and obtaining third color values of the pixels of the quad by using linear interpolation, based on the obtained first and second color values. 1. A method of texture filtering , the method comprising:determining an upper mipmap and a lower mipmap based on a level of detail (LOD) value corresponding to a quad;obtaining first color values, which are color values of the pixels comprised in the quad, corresponding to the upper mipmap, by using a coordinate representing coordinates of the pixels comprised in the quad, when each pixel comprised in the quad and each corresponding texel of the upper mipmap match;obtaining second color values, which are color values of the pixels comprised in the quad, in which the color values of the pixels correspond to the lower mipmap, with respect to each pixel comprised in the quad; andobtaining third color values of the pixels of the quad by using linear interpolation, based on the obtained first and second color values.2. The method of claim 1 , whereinthe coordinate comprises a center coordinate located in a center of coordinates of the pixels comprised in the quad, andthe obtaining of the first color values comprises obtaining the first color values by using bilinear interpolation, based on the center coordinate, a coordinate located in a center of each texel corresponding to the pixels comprised in the quad, and a color value of each texel corresponding to the pixels comprised in the quad.3. The method of claim 1 , whereinthe obtaining of the first color values comprises obtaining the first color values by using a color value of a closest texel from the upper mipmap when each pixel comprised in the quad does not match the corresponding texels ...

METHOD AND APPARATUS FOR PROCESSING RENDERING DATA

A method and apparatus of processing rendering data are disclosed. The method of processing rendering data includes comparing texture information of a first tile with texture information of a second tile that is rendered after the first tile, selecting at least one piece of texture data from pieces of texture data of the first tile according to a frequency of use of the at least one piece of texture data for rendering the second tile, and changing the selected at least one piece of texture data into another piece of texture data. When an image is rendered, the method and apparatus may more efficiently use resources. 1. A method of processing rendering data , the method comprising:comparing texture information of a first tile with texture information of a second tile that is rendered after the first tile;selecting at least one piece of texture data from pieces of texture data of the first tile according to a frequency of use of the at least one piece of texture data for rendering the second tile; andchanging the selected at least one piece of texture data into another piece of texture data.2. The method of claim 1 , wherein the selecting of the at least one piece of texture data comprises determining a priority of texture data to be changed based on the texture data to be changed having a lesser frequency of use.3. The method of claim 1 , wherein the comparing of the texture information comprises comparing the texture information of the first tile with texture information of each of a plurality of the tiles rendered after the first tile.4. The method of claim 1 , further comprising obtaining information about a rendering order of tiles included in a rendering image claim 1 ,wherein the comparing of the texture information comprises selecting at least one tile that is rendered after the first tile based on the rendering order.5. The method of claim 1 , wherein the selecting of the at least one piece of texture data comprises selecting the at least one piece of texture ...

Processor with reconfigurable architecture including a token network simulating processing of processing elements

Disclosed is configuration memory access technology in a processor with a reconfigurable architecture. The processor with the reconfigurable architecture includes an array of processing elements (PEs), a configuration memory and a token network. The configuration memory stores configuration data associated with controlling data flow of the respective PEs. The token network reads the configuration data from the configuration memory, estimates data flow of the PEs from the read configuration data, reads required configuration data from the configuration memory based on the estimated data flow, and supplies the required configuration data to corresponding PEs. By reducing configuration memory access frequency through a token network, power consumption may be reduced.

アサーション生成装置及び方法並びにプロセッサ検証装置及び方法

【課題】ユーザプログラムコードに基づいたアサーション生成装置及び方法、アサーションを利用したプロセッサ検証装置及び方法を提供する。 【解決手段】ユーザプログラムコードに基づいたアサーション生成方法は、少なくとも１つのアサーション生成構文を含むユーザプログラム、ユーザプログラムのコンパイル結果及びプロセッサのアーキテクチャー情報を受信する段階１１０と、ユーザプログラムのコンパイル結果及びプロセッサのアーキテクチャー情報に基づいて、少なくとも１つのアサーション生成構文によって指定されたユーザプログラムのコードによって、プロセッサが行わなければならない動作を記述するアサーションを生成する段階１３０と、を含みうる。 【選択図】図１

Cache memory system and method of operating the same

ソフトウェアパイプライン化されたプログラムのハードウェアデバッギング装置及び方法

【課題】 ソフトウェアパイプライン化されたプログラムのハードウェアデバッギング装置及び方法を提供する。 【解決手段】 本発明の一実施形態によるハードウェアデバッギング装置及び方法は、特定の実行ブロックをガーディングし、ソフトウェアパイプライン化されたプログラムの遂行を再開することによって、ソフトウェアパイプライン化されたプログラムのハードウェアデバッギング時にカレンシーの問題を解決し、プロセッサのデバッギング機能を向上させることができる。 【選択図】 図１

Pipeline processor and an equal model compensator method and apparatus to store the processing result

A pipeline processor which meets a latency restriction on an equal model is provided. The pipeline processor includes a pipeline processing unit to process an instruction at a plurality of stages and an equal model compensator to store the results of the processing of some or all of the instructions located in the pipeline processing unit and to write the results of the processing in a register file based on the latency of each instruction.

Graphics processing apparatus and method for determining level of detail (LOD) for texturing in graphics pipeline

A method of determining a level of detail (LOD) for a texturing includes: acquiring texture coordinate data on pixels included in an upper block; determining a reference quad among quads included in the upper block; determining a similarity between the determined reference quad and the upper block using texture coordinates of the determined reference quad and the upper block; and determining LODs of remaining quads among the quads included in the upper block to be the same as an LOD of the determined reference quad in response to the determining of the similarity including determining that the determined reference quad and the upper block are similar.

Cache memory system for a pixel shader and method of operating the same

A cache memory apparatus including a cache memory including a bank, a partition configuration unit configured to divide the cache memory into partitions by allocating the bank to a texture among textures for rendering, and a controller configured to receive a partition ID, of texture data requested by a device that performs the rendering, determine whether the requested texture data is stored in a partition corresponding to the partition ID among the plurality of partitions, and output the requested texture data to the device based on a result of the determination.

Apparatus and method of decompressing rendering data and recording medium thereof

Provided is a decompression apparatus and method thereof for decompressing rendering data. The decompression apparatus includes a data parsing unit configured to acquire a control component and a texture component from compressed input data including rendering information of an object, a decompression controller configured to allocate the control component to a control unit, wherein the control unit extracts a control command from the control component, and a logic calculation unit configured to, based on the control command, restore texture data of the object from the texture component.