W3C home > Mailing lists > Public > whatwg@whatwg.org > August 2010

[whatwg] Canvas feedback (various threads)

From: Philip Taylor <excors+whatwg@gmail.com>
Date: Wed, 11 Aug 2010 22:14:05 +0100
Message-ID: <AANLkTi=AUBB3n2cnXoORX1xHu3_ZGMoNHNHGrrCHp5FU@mail.gmail.com>
On Wed, Aug 11, 2010 at 9:35 PM, Ian Hickson <ian at hixie.ch> wrote:
> On Thu, 29 Jul 2010, Gregg Tavares (wrk) wrote:
>> source-over
>> ? ?glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
>
> I tried searching the OpenGL specification for either glBlendFunc or
> GL_ONE_MINUS_SRC_ALPHA and couldn't find either. Could you be more
> specific regarding what exactly we would be referencing? ?I'm not really
> sure I understand you proposal.

The OpenGL spec omits the "gl"/"GL_" prefixes - search for BlendFunc
instead. (In the GL 3.0 spec, tables 4.1 (the FUNC_ADD row) and 4.2
seem relevant for defining the blend equations.)

-- 
Philip Taylor
excors at gmail.com
Received on Wednesday, 11 August 2010 14:14:05 UTC

This archive was generated by hypermail 2.4.0 : Wednesday, 22 January 2020 16:59:26 UTC