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Tips & Tricks: OpenGL vs. OpenGL ES
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Tips & Tricks: OpenGL vs. OpenGL ES
guestposter guestposter
over 11 years ago
Note: This was originally posted on 15th October 2009 at
http://forums.arm.com
As we come up with various tips and hints that might help application developers working on Mali GPUs we will be posting them here so that you have instant access to them prior to the hints being turned into formal knowledgebase articles or other documentation.
If there are questions that you have, we will do our best to answer them in a timely manner.
This first topic will cover general differences between coding for the OpenGL (desktop graphics library) and OpenGL ES (embedded system graphics library) APIs from Khronos...
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guestposter guestposter
over 11 years ago
Note: This was originally posted on 27th October 2009 at
http://forums.arm.com
Some differences between OpenGL & OpenGL ES APIs:
OpenGL ES 1.1 and 2.0 are subsets of the full OpenGL standard. Some OpenGL functionality is not available in OpenGL ES:
No support for glBegin or glEnd. Instead, use vertex arrays and vertex buffer objects
Supported rasterization primitives are points, lines and triangles. Quads are not supported
There is no polynomial evaluation stage
Blocks of fragments can be sent directly to individual fragment operations
There is no support for display lists
For complete list, visit [url="
http://www.khronos.org/opengles/
"]
http://www.khronos.org/opengles/[/url]
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guestposter guestposter
over 11 years ago
Note: This was originally posted on 27th October 2009 at
http://forums.arm.com
Some differences between OpenGL & OpenGL ES APIs:
OpenGL ES 1.1 and 2.0 are subsets of the full OpenGL standard. Some OpenGL functionality is not available in OpenGL ES:
No support for glBegin or glEnd. Instead, use vertex arrays and vertex buffer objects
Supported rasterization primitives are points, lines and triangles. Quads are not supported
There is no polynomial evaluation stage
Blocks of fragments can be sent directly to individual fragment operations
There is no support for display lists
For complete list, visit [url="
http://www.khronos.org/opengles/
"]
http://www.khronos.org/opengles/[/url]
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