What are the four types of clearable buffers?

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What are the four types of clearable buffers?

1.Color, HDR, LTR, VAO

2.Fragment, Vertex, Vector, Color

3.Color, Depth, Stencil, Fragment

4.Color, Depth, Stencil, Accumulation

Posted Date:-2022-05-02 04:48:28

More MCQS Questions and answers

  1. Can you specify the location of a light source in OpenGL?
  2. Does function deprecation stop older applications from working with newer versions of OpenGL?
  3. Does OpenGL provide modeling primitives such as a cube, cone, pyramid?
  4. Does OpenGL use a client-server model and a state machine?
  5. Generally, what primitive polygon is used for creating a mesh to represent a complex object?
  6. How do you activate a shader program in OpenGL?
  7. How many cycles does it theoretically take for a single OpenGL call?
  8. How many texture units are there in OpenGL?
  9. If a coordinate system (CS1) is transformed into another coordinate system (CS2) using a matrix M, is it possible to go from CS2 to CS1 and how?
  10. If a coordinate system (CS1) is transformed into another coordinate system (CS2) using a matrix M, is it possible to go from CS2 to CS1 and how?
  11. If lighting is disabled, which function specifies the color of the vertex?
  12. In OpenGL, what is a “stencil buffer”?
  13. In order to obtain correct calculations for shading, what is the best length for normals of an object?
  14. In the best practice, what code should appear at the top of a GLSL shader?
  15. Is a new coordinate system created with every transformation applied, e.g., translate or rotate?
  16. Is ambient light possible in OpenGL?
  17. Is it possible to perform a reflection of an object across a specified axis?
  18. Let us scale a straight, horizontal line by a factor of 2 through using glScale(2.0f,0.0f,0.0f). This line consists of only 2 points, left and right point. Which point(s) moves due to the scale transformation?
  19. Once shading is enabled, what happens to glColor() calls?
  20. OpenGL stands for:
  21. The current version of OpenGL does support materials?
  22. What are “texture coordinates” used for?
  23. What are EXT and ARB?
  24. What are GLUT, GLU, GLEW, GLFW, SFML, GLX, GLEE?
  25. What are the “red” book, “blue” book and “orange” book?
  26. What are the dimensions of a 2D transformation matrix?
  27. What are the four major types of shaders available in OpenGL 4.0?
  28. What are the four types of clearable buffers?
  29. What are the native image formats supported by OpenGL?
  30. What are the primitive types available to a glBegin statement? Note: this question is often flagged by test takers. Read carefully and choose wisely, there is only one correct answer.
  31. What are the two types of shaders?
  32. What are the valid operations provided to glStencilOp?
  33. What are X,Y,Z,S,T,U and V?
  34. What components make up a light source in OpenGL?
  35. What do the letters “ARB” mean in the context of OpenGL?
  36. What do the values “R”, “G”, “B” and “A” mean in the context of color in OpenGL?
  37. What do you have to do to get “compatibility mode” in OpenGL?
  38. What does glMaterialf(…) do?
  39. What does glViewport do?
  40. What does Open GLSL stand for?
  41. What does the Blend Equation do?
  42. What function is required in every GLSL shader program?
  43. What happens in immediate mode?
  44. What happens to variables that aren’t used in outputs of a GLSL fragment shader?
  45. What happens when an object to be drawn is not within the current viewport?
  46. What is a “depth buffer” and what does it accumulate?
  47. What is a VA or VAO?
  48. What is a VBO?
  49. What is “immediate mode”?
  50. What is an FBO?
  51. What is glTexCoord*() used for?
  52. What is glVertextPointer(…) used for?
  53. What is the “workshop” name for the type of geometry and texture effects used in commercial gaming as part of OpenGL (and DirectX)?
  54. What is the difference between glColor3d and glColor3f?
  55. What is the non-official name for glBlendFunc(GL_SRC_ALPHA, GL_ONE)?
  56. What is the purpose of a MIPMAP?
  57. What is the purpose of calls to glLogicOp(GLenum opcode)?
  58. What is the purpose of GL_REPEAT?
  59. What is the use of a shared context?
  60. What is the use of glGet?
  61. What is the use of glOrtho?
  62. What is transformation?
  63. What kind of argument is expected in a function ending with a “v”?
  64. What kind of coordinates are used in order to represent a transformation as a matrix multiplication operation?
  65. What kind of data is stored in a VAO?
  66. What kind of data is stored in a VBO?
  67. What kind of polygons work best in a VBO intended for modeling a solid?
  68. What kind of vertex array is NOT provided by OpenGL?
  69. What organization is currently responsible for OpenGL’s standardization and development?
  70. What purpose does the “Scissor Test” serve?
  71. What should be done to rotate around a point that is not the origin?
  72. When animating, OpenGL provides:
  73. When do you use glFlush and glFinish?
  74. Which function call sets up the size of the output area?
  75. Which is a function NOT used for rendering vertex arrays?
  76. Which is better to use for dynamic drawing?
  77. Which is better to use for static drawing?
  78. Why are many functions deprecated in the OpenGL specification?
  79. Why clear a buffer?
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