Low Level Graphics & OpenGL
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The document discusses graphics rendering technologies such as DirectX and OpenGL, outlining their functions and features within game development. It explains concepts like rasterization versus vectorization, shaders, and pixel buffering, emphasizing the importance of graphics APIs and game engines. Additionally, it highlights the role of SDL2 as a cross-platform game development library that supports window creation and input handling.
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Low Level Graphics & OpenGL
- 2. Dominic Farolino twitter.com/domfarolino github.com/domfarolino dom@chromium.org Senior Chromium Committer WHATWG Editor
- 3. What is this talk? @domfarolino
- 6. OpenGL + Graphics Pipeline @domfarolino
- 7. Pixel Buffering & V-Sync @domfarolino
- 9. some smart person Converting object description > 2D image plane representation Rendering
- 11. Object Description Geometric serialization of shape to be painted
- 12. Object Description Geometric serialization of shape to be painted = Vector graphic
- 13. some smart person Converting vector graphic > 2D image plane representation Rendering
- 14. Raster vs Vector {ization}
- 15. Raster vs Vector {ization} Raytracing
- 16. Raster vs Vector {ization} Raytracing Radiosity
- 17. Vectorization
- 18. Vectorization
- 19. Rasterization
- 20. Rasterization
- 22. Practical Difference Rasterizations Complex shapes + 鍖lled areas Trouble producing smooth lines = blocky
- 23. Practical Difference Rasterizations Complex shapes + 鍖lled areas Trouble producing smooth lines = blocky Vectorizations Perfectly smooth lines Less versatile
- 24. How do we actually do this stuff?
- 25. GFX APIs
- 26. Why?
- 30. DirectX
- 31. DirectX Released with Windows 95
- 32. DirectX Released with Windows 95 Included in every version of Windows
- 33. DirectX Released with Windows 95 Included in every version of Windows Tons of APIs
- 34. DirectX Released with Windows 95 Included in every version of Windows Tons of APIs 3D GFX API (Direct3D)
- 35. DirectX Released with Windows 95 Included in every version of Windows Tons of APIs 3D GFX API (Direct3D) 2D | |
- 36. DirectX Released with Windows 95 Included in every version of Windows Tons of APIs 3D GFX API (Direct3D) 2D | | Input
- 37. DirectX Released with Windows 95 Included in every version of Windows Tons of APIs 3D GFX API (Direct3D) 2D | | Input Audio
- 38. OpenGL
- 39. OpenGL Alternative to DirectX
- 40. OpenGL Alternative to DirectX Basically same functionality
- 41. OpenGL Alternative to DirectX Basically same functionality Pros:
- 42. OpenGL Alternative to DirectX Basically same functionality Pros: Very-cross platform
- 43. OpenGL Alternative to DirectX Basically same functionality Pros: Very-cross platform OPEN STANDARD (Khronos Group)
- 45. Graphics Card
- 46. Graphics Card Graphics Card Drivers
- 47. Graphics Card Graphics Card Drivers Graphics APIs
- 48. Graphics Card Graphics Card Drivers Graphics APIs Game Engines
- 49. Graphics Card Graphics Card Drivers Graphics APIs Game Engines You, the gamer!!
- 50. Graphics APIs Game Engines You, the gamer!!
- 51. Graphics APIs Game Engines You, the gamer!! Physics
- 52. Graphics APIs Game Engines You, the gamer!! A.I.Physics
- 53. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics
- 54. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics Collision Detection
- 55. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics Collision Detection Audio Manip.
- 56. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics Collision Detection Audio Manip.
- 57. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics Collision Detection Audio Manip. SDL2
- 58. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics Collision Detection Audio Manip. SDL2 SFML
- 59. Graphics APIs Game Engines You, the gamer!! LightingA.I.Physics Collision Detection Audio Manip. SDL2 SFML GLFW
- 60. SDL(2)
- 61. SDL(2) Simple DirectMedia Layer 2
- 62. SDL(2) Simple DirectMedia Layer 2 macOS, Linux, Android, iOS, Windows
- 63. SDL(2) Simple DirectMedia Layer 2 macOS, Linux, Android, iOS, Windows Game development library
- 64. SDL(2) Simple DirectMedia Layer 2 macOS, Linux, Android, iOS, Windows Game development library + + + +
- 65. SDL(2) Simple DirectMedia Layer 2 macOS, Linux, Android, iOS, Windows Game development library + + + + Game engine??
- 66. SDL(2) Simple DirectMedia Layer 2 macOS, Linux, Android, iOS, Windows Game development library + + + + Game engine?? Used in many game engines (Valve Source)
- 67. SDL(2) Simple DirectMedia Layer 2 macOS, Linux, Android, iOS, Windows Game development library + + + + Game engine?? Used in many game engines (Valve Source)
- 68. Why SDL?
- 69. Why SDL? OpenGL doesnt specify:
- 70. Why SDL? OpenGL doesnt specify: Window creation
- 71. Why SDL? OpenGL doesnt specify: Window creation Input handling
- 72. Why SDL? OpenGL doesnt specify: Window creation Input handling More
- 79. Vertices (VBO) Data of any format
- 80. Vertices (VBO) Data of any format Vertex Shader (On the GPU)
- 81. Vertices (VBO) Data of any format Vertex Shader (On the GPU)
- 82. Vertices (VBO) Data of any format Vertex Shader (On the GPU) Rasterization (On the GPU)
- 83. Vertices (VBO) Data of any format Vertex Shader (On the GPU) Rasterization (On the GPU)
- 84. Vertices (VBO) Data of any format Vertex Shader (On the GPU) Rasterization (On the GPU)
- 87. Fragment Shader Blending and sampling (On the GPU)(On the GPU)
- 88. Fragment Shader Blending and sampling (On the GPU) Final output image! (On the GPU)
- 90. Vertex Data
- 91. Vertex Data
- 92. Vertex Data
- 94. Vertex Shader
- 95. Vertex Shader
- 96. Vertex Shader
- 97. Vertex Shader
- 98. Vertex Shader
- 99. Attach/Compile
- 101. Fragment Shader
- 102. Fragment Shader
- 103. Fragment Shader
- 104. Example
- 109. Pixel buffering & V-Sync @domfarolino
- 121. Getting rid of screen tears? @domfarolino
- 123. V-Sync @domfarolino
- 136. Cool, but what about the web? @domfarolino