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gbm: manually set modifier for implicit bo allocation (#30)

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Ported from wlroots

Fixes https://github.com/hyprwm/Hyprland/issues/7001
This commit is contained in:
moetayuko 2024-07-26 04:41:46 +08:00 committed by GitHub
parent 0720a5cbae
commit a7d77c60ee
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GPG key ID: B5690EEEBB952194
1 changed files with 7 additions and 6 deletions
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11
src/allocator/GBM.cpp
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@ -53,8 +53,7 @@ static SDRMFormat guessFormatFrom(std::vector<SDRMFormat> formats, bool cursor)
}
Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hyprutils::Memory::CWeakPointer<CGBMAllocator> allocator_,
Hyprutils::Memory::CSharedPointer<CSwapchain> swapchain) :
allocator(allocator_) {
Hyprutils::Memory::CSharedPointer<CSwapchain> swapchain) : allocator(allocator_) {
if (!allocator)
return;
@ -128,8 +127,6 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
uint32_t flags = GBM_BO_USE_RENDERING;
if (params.scanout)
flags |= GBM_BO_USE_SCANOUT;
if (CURSOR)
flags |= GBM_BO_USE_CURSOR; // make implicit fail for nvidia - avoids freezing with incorrect formats for cursor plane
if (explicitModifiers.empty()) {
allocator->backend->log(AQ_LOG_WARNING, "GBM: Using modifier-less allocation");
@ -148,6 +145,10 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
}
if (!bo) {
if (explicitModifiers.size() == 1 && explicitModifiers[0] == DRM_FORMAT_MOD_LINEAR) {
flags |= GBM_BO_USE_LINEAR;
allocator->backend->log(AQ_LOG_ERROR, "GBM: Allocating with modifiers failed, falling back to modifier-less allocation");
} else
allocator->backend->log(AQ_LOG_ERROR, "GBM: Allocating with modifiers failed, falling back to implicit");
bo = gbm_bo_create(allocator->gbmDevice, attrs.size.x, attrs.size.y, attrs.format, flags);
}
@ -159,7 +160,7 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
}
attrs.planes = gbm_bo_get_plane_count(bo);
attrs.modifier = gbm_bo_get_modifier(bo);
attrs.modifier = (flags & GBM_BO_USE_LINEAR) ? DRM_FORMAT_MOD_LINEAR : gbm_bo_get_modifier(bo);
for (size_t i = 0; i < (size_t)attrs.planes; ++i) {
attrs.strides.at(i) = gbm_bo_get_stride_for_plane(bo, i);