[Mesa-dev] Discussion: C++11 std::future in Mesa

[Eero Tamminen]

Hi,

On 01.06.2016 16:50, Erik Faye-Lund wrote:
> On Wed, Jun 1, 2016 at 3:02 PM, ⚛ <0xe2.0x9a.0x9b at gmail.com> wrote:
>> On Wed, Jun 1, 2016 at 2:19 PM, Marek Olšák <maraeo at gmail.com> wrote:
>>> I'll let you figure it out by yourself.
>>
>> Why would you withhold information if you already have it? Are you a
>> "bad person" or something?
>
> The problem has been described in countless threads on this mailing
> list, but I'll repeat it:
>
> The vast majority of applications/games does glCompileShader()
> immediately followed by glGetShaderiv(GL_COMPILE_STATUS), which would
> force stalling for the result, leading to no improvement.

And the solution to the problem is shader cache, for which there's a 
(large) patch series on the list.

Most of the time in shader compiling goes to the linking stage (many of 
the optimizations are done at that stage).


	- Eero