[Mesa-dev] Instancing support in r300g?

[Marek Olšák]

ARB_draw_instanced is a DX10 feature.

The R300-R500 chipsets do not support instancing at all.
ARB_instanced_arrays is emulated with a loop in the driver, so that
instancing is supported in Wine/DX9.

Marek

On Sat, May 18, 2013 at 4:59 PM, Lauri Kasanen <cand at gmx.com> wrote:
> On Sat, 18 May 2013 17:46:32 +0300
> Lauri Kasanen <cand at gmx.com> wrote:
>
>> On Sat, 18 May 2013 13:50:35 +0200
>> Christoph Bumiller <e0425955 at student.tuwien.ac.at> wrote:
>>
>> > r300_get_param:
>> > case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: return 1;
>> >
>> > That's ARB_instanced_arrays, which is what d3d9 supports
>> > (IDirect3DDevice9::SetStreamSourceFreq).
>>
>> Instanced arrays alone, without a way to draw instances is pretty
>> useless, would you say?
>
> My mistake, I didn't see the arrays extension adds those draw calls in
> that situation.
>
> - Lauri
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