OPENGL ES QUIZAS PART OF THE

GFX2014 ADVANCED GRAPHICS WORKSHOP

MARCH 2014

BANGALORE

2014QUIZ

GFX2014 Advanced Graphics Workshop - Quiz

The quiz on Khronos OpenGL ES Specification is divided into logical sections as presented in the workshop.

* Indicates Required Fields

Live version is available from below link http://www.gpupowered.org/sand2/launch2/#

Click on Quiz (Q) icon in the page

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OpenGL Introduction, CFF APIs

What is the latest public version of OpenGL ES API ? *

1.1

2.2

3.0

4.4

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Which of the below is specified by EGL API and GL API ? *

3D drawing - EGL, Platform interface - GL

3D drawing - GL, Platform interface - EGL

Windowing - GL, Qt - EGL

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GL API is considered a client, and the application serves the GL engine *

True

False

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240 fps rendering rate will improve quality for any display *

True

False

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glFlush() ensures all drawing is complete *

True

False

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The guaranteed minimum number of bits for "boolean" data type in OpenGL ES3.0 is

8 bits

16 bits

1 bit

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Which of the below is "not" a primitive type supported by OpenGL ES2.0 ?

TRIANGLE_FAN

TRIANGLE_LOOP

TRIANGLE_STRIP

TRIANGLES

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A mesh consisting of 30 vertices undergoes clipping. This will result in,

30 vertices always

26 vertices

30 vertices + 2 due to alignment

approximately 30 vertices + additions due to vertices generated in clipping process

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The clipping process follows after transformation.

true

false

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In "glvoid glVertexAttribDivisor( uint index, uint divisor )" call, if divisor is zero,

Attributes change for every 1 vertex

Attributes change for every 1 instance

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To behave the same as "glDrawElements" call, the "instance" parameter in "glDrawElementsOneInstance" call should be

0

1

-1

(Next set of questions are updated in the live form in the web link provided earlier)