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rhi: metal: Handle multiview with depth attachment only 

Copy the approach added for Vulkan. (no color attachments,
but depth texture array is present -> assume this means
multiview rendering and use the array size as view
count)

Change-Id: Ie523b54e8eec6fdd4fe5f203d1ea97b366f8ac00
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
bb10
Laszlo Agocs 2024-04-30 12:50:02 +02:00
parent c09270753d
commit 124e7d896b
1 changed files with 8 additions and 2 deletions
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10
src/gui/rhi/qrhimetal.mm
View File

@ -2981,9 +2981,11 @@ void QRhiMetal::beginPass(QRhiCommandBuffer *cb,
cbD->d->currentPassRpDesc.depthAttachment.loadAction = MTLLoadActionLoad;
cbD->d->currentPassRpDesc.stencilAttachment.loadAction = MTLLoadActionLoad;
}
int colorAttCount = 0;
for (auto it = rtTex->m_desc.cbeginColorAttachments(), itEnd = rtTex->m_desc.cendColorAttachments();
it != itEnd; ++it)
{
colorAttCount += 1;
if (it->texture()) {
QRHI_RES(QMetalTexture, it->texture())->lastActiveFrameSlot = currentFrameSlot;
if (it->multiViewCount() >= 2)
@ -2996,8 +2998,12 @@ void QRhiMetal::beginPass(QRhiCommandBuffer *cb,
}
if (rtTex->m_desc.depthStencilBuffer())
QRHI_RES(QMetalRenderBuffer, rtTex->m_desc.depthStencilBuffer())->lastActiveFrameSlot = currentFrameSlot;
if (rtTex->m_desc.depthTexture())
QRHI_RES(QMetalTexture, rtTex->m_desc.depthTexture())->lastActiveFrameSlot = currentFrameSlot;
if (rtTex->m_desc.depthTexture()) {
QMetalTexture *depthTexture = QRHI_RES(QMetalTexture, rtTex->m_desc.depthTexture());
depthTexture->lastActiveFrameSlot = currentFrameSlot;
if (colorAttCount == 0 && depthTexture->arraySize() >= 2)
cbD->d->currentPassRpDesc.renderTargetArrayLength = NSUInteger(depthTexture->arraySize());
}
if (rtTex->m_desc.depthResolveTexture())
QRHI_RES(QMetalTexture, rtTex->m_desc.depthResolveTexture())->lastActiveFrameSlot = currentFrameSlot;
}