JP4799409B2 - 手持ち式携帯デバイスのための高質・高性能3dグラフィックスアーキテクチャ - Google Patents
手持ち式携帯デバイスのための高質・高性能3dグラフィックスアーキテクチャ Download PDFInfo
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Description
XP=[(dx10*dy20)-(dx20*dy10)] (1)
ここで、dxNM=(XN-XM)、dyNM=(YN-YM)であり、|XP|/2は、手元にある三角形の面積に等しい。方程式(1)を計算できる前に、面積計算/分類回路301は、この三角形の主要エッジを決定する。三角形の主要エッジは、最も小さいY座標を有する頂点を最も大きいY座標を有する頂点に接続するエッジとして規定される。主要エッジおよびその対応する接続頂点に基づいて、面積計算/分類回路301は、最も大きいY座標を有する頂点に頂点2というラベルを付け、最も小さいY座標を有する頂点に頂点0というラベルを付け、残りの頂点に頂点1というラベルを付ける。ここで、三角形400の主要エッジ410および本発明にしたがって三角形の頂点にラベルを付ける方法を一例として示す図4を参照する。また、図4は、ラスタライジング/レンダリングプロセスで使用される三角形400内の多くの走査線を示している。
∂f/∂x=(df10*dy20-df20*dy10)/XP (2)
ここで、XPは、方程式(1)から計算される。
dt=si20*∂f/∂x+∂f/∂y (3)
ここで、∂f/∂y=[df20*dx10-df10*dx20]/XPである。
f(xi±1, yi)=f(xi, yi)±∂f/∂x (4)
この場合、加算または減算かどうかは、スパンニング方向によって決まる。エッジウォーキングおよびスパン処理は周知のプロセスである。
f(xi, yi)=f0+(yi-y0)*∂f/∂y+(xi-x0)*∂f/∂x (5)
ここで、yi=|y0|およびxi=x0+si20*(yi-y0)であり、
dx20*(yi-y0)-dy20*(xi+1-x0)>-0の場合には、
xiが1だけインクリメントされる。
Claims (10)
- 受けたデータセットを分類する第1の回路であって、前記データセットを処理するための処理モードを選択するよう動作可能である、前記第1の回路と、
前記第1の回路に結合されるとともに、前記第1の回路から受けたデータを処理するよう動作可能である第2の回路とを備え、
前記データセットは、プリミティブのデータを含み、
前記第1の回路は、前記プリミティブを当該プリミティブのサイズ及び/又は形状に基づき複数の分類のうちの一の分類に分類するよう動作可能であり、
第1の前記処理モードは、複数の処理モードのうちの1つであって、
前記複数の処理モードは、第1の分類に分類されたデータセットを処理するための第1の処理モード、及び第2の分類に分類されたデータセットを処理するための第2の処理モードを含み、
前記第2の処理モードは、前記第1の処理モードより精度が高く、
前記第2の回路は、前記第1の回路により選択された前記処理モードに従って処理を実行し、前記第1の処理モードにおいて、前記第2の処理モードより少ない電力を消費する、データ処理パイプライン。 - 前記第2の回路が、
第1の分類を有するデータを前記第1の処理モードで処理する第1のデータ処理回路と、
第2の分類を有するデータを前記第2の処理モードで処理する第2のデータ処理回路と、
を備える、請求項1に記載のデータ処理パイプライン。 - 前記第2の回路が、
前記第1のデータ処理回路に結合されるとともに、前記第1のデータ処理回路から受けた、前記第1の分類を有する前記データを処理する第3のデータ処理回路と、
前記第2のデータ処理回路に結合されるとともに、前記第2のデータ処理回路から受けた、前記第2の分類を有する前記データを処理する第4のデータ処理回路とを更に備える、請求項2に記載のデータ処理パイプライン。 - 前記第2の回路が、前記第1のデータ処理回路および前記第2のデータ処理回路に結合される第3のデータ処理回路を更に備え、前記第3のデータ処理回路が、前記第1の分類を有する前記データおよび前記第2の分類を有する前記データの少なくとも一方に関してデータ処理を行なうよう動作可能である、請求項2に記載のデータ処理パイプライン。
- 前記第1の回路に結合されたユーザインタフェースを更に備え、
前記ユーザインタフェースが、構成可能な前記データ処理回路を前記第1の処理モードおよび前記第2の処理モードの少なくとも一方で動作するように構成するため、ユーザによる入力情報を前記第1の回路に対して通信する、請求項4に記載のデータ処理パイプライン。 - 前記第1の回路に結合された電力モニタを更に備え、
前記電力モニタが、アクティブに実行中のアプリケーションの終了まで携帯デバイスの動作を持続させるために必要な電力レベルを決定して、適切な処理モードを選択するためのものであり、
前記電力モニタが、前記選択された処理モードで動作するように前記構成可能なデータ処理回路を構成するために、前記選択された処理モードを前記第1の回路に対して通信する、請求項4に記載のデータ処理パイプライン。 - 前記第2の回路が、前記第1の処理モードおよび前記第2の処理モードの少なくとも一方でデータを処理するための構成可能なデータ処理回路を備え、前記構成可能なデータ処理回路が、第1の分類に基づいて前記第1の処理モードでデータを処理するように構成されるとともに、第2の分類に基づいて前記第2の処理モードでデータを処理するように構成される、請求項1に記載のデータ処理パイプライン。
- 前記第2の回路が、前記構成可能なデータ処理回路に結合された第3のデータ処理回路を更に備え、前記第3のデータ処理回路が、前記第1の分類を有する前記データおよび前記第2の分類を有する前記データの少なくとも一方に関してデータ処理を行なうよう動作可能である、請求項7に記載のデータ処理パイプライン。
- 前記第1の回路に結合されたユーザインタフェースを更に備え、
前記ユーザインタフェースが、前記構成可能なデータ処理回路を前記第1の処理モードおよび前記第2の処理モードの少なくとも一方で動作するように構成するため、ユーザによる入力情報を前記第1の回路に対して通信する、請求項7に記載のデータ処理パイプライン。 - 前記第1の回路に結合された電力モニタを更に備え、
前記電力モニタが、アクティブに実行中のアプリケーションの終了まで携帯デバイスの動作を持続させるために必要な電力レベルを決定して、適切な処理モードを選択するためのものであり、
前記電力モニタが、前記選択された処理モードで動作するように前記構成可能なデータ処理回路を構成するために、前記選択された処理モードを前記第1の回路に対して通信する、請求項7に記載のデータ処理パイプライン。
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US10/667,098 | 2003-09-18 | ||
US10/667,098 US7418606B2 (en) | 2003-09-18 | 2003-09-18 | High quality and high performance three-dimensional graphics architecture for portable handheld devices |
PCT/US2004/030608 WO2005029406A2 (en) | 2003-09-18 | 2004-09-17 | High quality and high performance three-dimensional graphics architecture for portable handheld devices |
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JP2007514209A JP2007514209A (ja) | 2007-05-31 |
JP2007514209A5 JP2007514209A5 (ja) | 2007-11-01 |
JP4799409B2 true JP4799409B2 (ja) | 2011-10-26 |
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US (3) | US7418606B2 (ja) |
EP (1) | EP1671273B1 (ja) |
JP (1) | JP4799409B2 (ja) |
KR (1) | KR101017828B1 (ja) |
TW (1) | TWI368869B (ja) |
WO (1) | WO2005029406A2 (ja) |
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EP1671273A4 (en) | 2009-10-28 |
TW200519730A (en) | 2005-06-16 |
KR101017828B1 (ko) | 2011-02-28 |
US20050066205A1 (en) | 2005-03-24 |
US7328358B1 (en) | 2008-02-05 |
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EP1671273A2 (en) | 2006-06-21 |
WO2005029406A2 (en) | 2005-03-31 |
WO2005029406A3 (en) | 2009-02-19 |
TWI368869B (en) | 2012-07-21 |
JP2007514209A (ja) | 2007-05-31 |
US7313710B1 (en) | 2007-12-25 |
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