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st/nine: Handle D3DFMT_NULL multisampling 

When D3DFMT_NULL is set as render target,
we must take the multisampling state
from the depth buffer.

Signed-off-by: Axel Davy <davyaxel0@gmail.com>
Acked-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10160>
This commit is contained in:
Axel Davy 2021-03-11 20:55:48 +01:00 committed by Marge Bot
parent de66d503f7
commit 70f8d78aa7
1 changed files with 10 additions and 4 deletions
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14
src/gallium/frontends/nine/nine_state.c
View File

@ -345,10 +345,16 @@ nine_context_is_worker( struct NineDevice9 *device )
static inline DWORD
check_multisample(struct NineDevice9 *device)
{
DWORD *rs = device->context.rs;
DWORD new_value = device->context.rt[0] &&
device->context.rt[0]->desc.MultiSampleType >= 1 &&
rs[D3DRS_MULTISAMPLEANTIALIAS];
struct nine_context *context = &device->context;
DWORD *rs = context->rs;
struct NineSurface9 *rt0 = context->rt[0];
bool multisampled_target;
DWORD new_value;
multisampled_target = rt0 && rt0->desc.MultiSampleType >= 1;
if (rt0 && rt0->desc.Format == D3DFMT_NULL && context->ds)
multisampled_target = context->ds->desc.MultiSampleType >= 1;
new_value = (multisampled_target && rs[D3DRS_MULTISAMPLEANTIALIAS]) ? 1 : 0;
if (rs[NINED3DRS_MULTISAMPLE] != new_value) {
rs[NINED3DRS_MULTISAMPLE] = new_value;
return NINE_STATE_RASTERIZER;