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Low Level Graphics & OpenGL
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.
EngineeringâŚ
Low Level Graphics & OpenGL
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- 2. Dominic Farolino ⢠twitter.com/domfarolino â˘github.com/domfarolino ⢠dom@chromium.org ⢠Senior ⢠Chromium Committer ⢠WHATWG Editor
- 3. What is thistalk? @domfarolino
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- 6. OpenGL + GraphicsPipeline @domfarolino
- 7. Pixel Buffering &V-Sync @domfarolino
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- 9. âsome smart person âConvertingobject description > 2D image plane representationâ Rendering
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- 12. âObject Descriptionâ Geometric serialization of shapeto be painted = Vector graphic
- 13. âsome smart person âConvertingvector graphic > 2D image plane representationâ Rendering
- 14. Raster vs Vector{ization}
- 15. Raster vs Vector{ization} Raytracing
- 16. Raster vs Vector{ization} Raytracing Radiosity
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- 22. Practical Difference ⢠Rasterizations â˘Complex shapes + ďŹlled areas ⢠Trouble producing smooth lines = blocky
- 23. Practical Difference ⢠Rasterizations â˘Complex shapes + ďŹlled areas ⢠Trouble producing smooth lines = blocky ⢠Vectorizations ⢠Perfectly smooth lines ⢠Less versatile
- 24. How do weactually do this stuff?
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- 31. DirectX ⢠Released withWindows 95
- 32. DirectX ⢠Released withWindows 95 ⢠Included in every version of Windows
- 33. DirectX ⢠Released withWindows 95 ⢠Included in every version of Windows ⢠Tons of APIs
- 34. DirectX ⢠Released withWindows 95 ⢠Included in every version of Windows ⢠Tons of APIs ⢠3D GFX API (Direct3D)
- 35. DirectX ⢠Released withWindows 95 ⢠Included in every version of Windows ⢠Tons of APIs ⢠3D GFX API (Direct3D) ⢠2D | |
- 36. DirectX ⢠Released withWindows 95 ⢠Included in every version of Windows ⢠Tons of APIs ⢠3D GFX API (Direct3D) ⢠2D | | ⢠Input
- 37. DirectX ⢠Released withWindows 95 ⢠Included in every version of Windows ⢠Tons of APIs ⢠3D GFX API (Direct3D) ⢠2D | | ⢠Input ⢠Audio
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- 39. OpenGL ⢠Alternative toDirectX
- 40. OpenGL ⢠Alternative toDirectX ⢠Basically same functionality
- 41. OpenGL ⢠Alternative toDirectX ⢠Basically same functionality ⢠Pros:
- 42. OpenGL ⢠Alternative toDirectX ⢠Basically same functionality ⢠Pros: ⢠Very-cross platform
- 43. OpenGL ⢠Alternative toDirectX ⢠Basically same functionality ⢠Pros: ⢠Very-cross platform ⢠OPEN STANDARD (Khronos Group)
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- 46. Graphics Card Graphics CardDrivers
- 47. Graphics Card Graphics CardDrivers Graphics APIs
- 48. Graphics Card Graphics CardDrivers Graphics APIs Game Engines
- 49. Graphics Card Graphics CardDrivers 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
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- 62. SDL(2) ⢠Simple DirectMediaLayer 2 ⢠macOS, Linux, Android, iOS, Windows
- 63. SDL(2) ⢠Simple DirectMediaLayer 2 ⢠macOS, Linux, Android, iOS, Windows ⢠Game development library
- 64. SDL(2) ⢠Simple DirectMediaLayer 2 ⢠macOS, Linux, Android, iOS, Windows ⢠Game development library ⢠⨠+ đ + đ˘ + đš + đĽ
- 65. SDL(2) ⢠Simple DirectMediaLayer 2 ⢠macOS, Linux, Android, iOS, Windows ⢠Game development library ⢠⨠+ đ + đ˘ + đš + đĽ ⢠Game engine??
- 66. SDL(2) ⢠Simple DirectMediaLayer 2 ⢠macOS, Linux, Android, iOS, Windows ⢠Game development library ⢠⨠+ đ + đ˘ + đš + đĽ ⢠Game engine?? ⢠Used in many game engines (Valve Source)
- 67. SDL(2) ⢠Simple DirectMediaLayer 2 ⢠macOS, Linux, Android, iOS, Windows ⢠Game development library ⢠⨠+ đ + đ˘ + đš + đĽ ⢠Game engine?? ⢠Used in many game engines (Valve Source)
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- 69. Why SDL? ⢠OpenGLdoesnât specify:
- 70. Why SDL? ⢠OpenGLdoesnât specify: ⢠Window creation
- 71. Why SDL? ⢠OpenGLdoesnât specify: ⢠Window creation ⢠Input handling
- 72. Why SDL? ⢠OpenGLdoesnât specify: ⢠Window creation ⢠Input handling ⢠MoreâŚ
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- 80. Vertices (VBO) Data of anyformat Vertex Shader (On the GPU)
- 81. Vertices (VBO) Data of anyformat Vertex Shader (On the GPU)
- 82. Vertices (VBO) Data of anyformat Vertex Shader (On the GPU) Rasterization (On the GPU)
- 83. Vertices (VBO) Data of anyformat Vertex Shader (On the GPU) Rasterization (On the GPU)
- 84. Vertices (VBO) Data of anyformat Vertex Shader (On the GPU) Rasterization (On the GPU)
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- 87. Fragment Shader Blending and sampling (On theGPU)(On the GPU)
- 88. Fragment Shader Blending and sampling (On theGPU) Final output image! (On the GPU)
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- 109. Pixel buffering &V-Sync @domfarolino
- 121. Getting rid ofscreen tears? @domfarolino
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- 136. Cool, but whatabout the web? @domfarolino