native_client_sdk/src/doc/devguide/coding/3D-graphics.rst - Issue 2875303003: Add migration to WebAssembly information to PNaCl / NaCl docs.

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Issue 2875303003: Add migration to WebAssembly information to PNaCl / NaCl docs. (Closed)

Patch Set: fix Created 3 years, 7 months ago

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1 .. _devguide-coding-3D-graphics:	1 .. _devguide-coding-3D-graphics:

2	2

	3 .. include:: /migration/deprecation.inc

	4

3 ###########	5 ###########

4 3D Graphics	6 3D Graphics

5 ###########	7 ###########

6	8

7 Native Client applications use the `OpenGL ES 2.0	9 Native Client applications use the `OpenGL ES 2.0

8 <http://en.wikipedia.org/wiki/OpenGL_ES>`_ API for 3D rendering. This document	10 <http://en.wikipedia.org/wiki/OpenGL_ES>`_ API for 3D rendering. This document

9 describes how to call the OpenGL ES 2.0 interface in a Native Client module and	11 describes how to call the OpenGL ES 2.0 interface in a Native Client module and

10 how to build an efficient rendering loop. It also explains how to validate GPU	12 how to build an efficient rendering loop. It also explains how to validate GPU

11 drivers and test for specific GPU capabilities, and provides tips to help ensure	13 drivers and test for specific GPU capabilities, and provides tips to help ensure

12 your rendering code runs efficiently.	14 your rendering code runs efficiently.

(...skipping 508 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
521 * Don't read data from the GPU. Don't call ``glReadPixels``, as it is slow.	523 * Don't read data from the GPU. Don't call ``glReadPixels``, as it is slow.

522	524

523 * Don't update a small portion of a large buffer. In the current OpenGL ES	525 * Don't update a small portion of a large buffer. In the current OpenGL ES

524 2.0 implementation when you update a portion of a buffer (with	526 2.0 implementation when you update a portion of a buffer (with

525 ``glSubBufferData`` for example) the entire buffer must be reprocessed. To	527 ``glSubBufferData`` for example) the entire buffer must be reprocessed. To

526 avoid this problem, keep static and dynamic data in different buffers.	528 avoid this problem, keep static and dynamic data in different buffers.

527	529

528 * Don't call glDisable(GL_TEXTURE_2D). This is an OpenGL ES 2.0	530 * Don't call glDisable(GL_TEXTURE_2D). This is an OpenGL ES 2.0

529 error. Each time it is called, an error messages will appear in Chrome's	531 error. Each time it is called, an error messages will appear in Chrome's

530 ``about:gpu`` tab.	532 ``about:gpu`` tab.

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