Introduction To 3D Programming -Graphics Pipeline-

用語：
・パイプライン(グラフィックスパイプライン/レンダリングパイプライン)
低レベル3DグラフィックスAPIが備えている描画方式
・プリミティブ
パイプラインで描画できる基本的な図形要素
・頂点(頂点属性)
座標およびその付加情報
・フラグメント
格子状の座標に格納されたデータ

Transcript

1. GRAPHICS PIPELINE INTRODUCTION TO 3D PROGRAMMING @ta_ka_tsu
2. 3D DATA ? FRAME BUFFER Direct3D(Windows) OpenGL/OpenGLES Metal(macOS/iOS) Vulkan
3. GRAPHICS PIPELINE 3D DATA FRAME BUFFER Metal : MTLRenderPipelineState
4. Point Line Triangle (Polygon) PRIMITIVE
5. VERTEX ɾPosition ɾColor ɾNormal Vector ɾTexture Coordinate ɾ…
6. GRAPHICS PIPELINE VERTEX FRAME BUFFER
7. Vertex Processing Primitive Assembly Rasterization Fragment Processing Per-Sample Operations FRAME BUFFER VERTEX
8. Vertex Processing Metal : OpenGLES(2.0ʙ) : Vertex Shader Vertex Shader
9. Vertex Processing Vertex Vertex ɾPosition ɾColor ɾNormal Vector ɾTexture Coordinate ɾ… ɾPosition ɾColor ɾTexture Coordinate ɾ…
10. Vertex Processing - Coordinate Transformation -
11. Vertex Processing - Coordinate Transformation -
12. Vertex Processing - Coordinate Transformation -
13. - Clipping - Vertex Processing
14. - Viewport Transformation - Metal : OpenGLES(2.0ʙ) : glViewport(…) MTLRenderCommandEncoder setViewport(…) Vertex Processing
15. Primitive Assembly
16. Primitive Assembly
17. Primitive Assembly
18. Primitive Assembly - Face Culling - Metal : OpenGLES(2.0ʙ) : glEnable(GL_CULL_FACE) MTLRenderCommandEncoder setCullMode(…) setFrontFacing(…) Culling Off Culling On glFrontFace(…) glCullFace(…)
19. Rasterization
20. Rasterization
21. Rasterization Fragment ɾColor ɾTexture Coordinate ɾ…
22. Fragment Processing Metal : OpenGLES(2.0ʙ) : Fragment Shader Fragment Shader
23. Fragment Processing Fragment Color ɾColor ɾNormal Vector ɾTexture Coordinate ɾ…
24. Per-Sample Operations
25. Per-Sample Operations - Pixel Ownership Test - Lorem ipsum dolor sit er elit lamet, consectetaur cillium adipisicing pecu, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit
26. Per-Sample Operations Metal : OpenGLES(2.0ʙ) : - Depth Test - glEnable(GL_DEPTH_TEST) Depth Test Off Depth Test On MTLDepthStencilDescriptor isDepthWriteEnabled depthCompareFunction glDepthFunc(…)
27. Per-Sample Operations + = α × (1 - α) × Metal : OpenGLES(2.0ʙ) : isBlendingEnable (rgb | alpha)BlendOperation (source | destination)(RBG | Alpha)BlendFactor MTLRenderPipelineColorAttachmentDescriptor - Blending - glBlendFunc(…) glEnable(GL_BLEND) glBlendEquation(…)
28. ENJOY 3D PROGRAMMING!