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gbm: override gbm_bo_get_modifier results for modifier-based allocation (#71)

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Fixes https://github.com/hyprwm/Hyprland/issues/7577
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moetayuko 2024-09-01 18:03:52 +08:00 committed by GitHub
parent 16bbbcba65
commit e12b0a9c67
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GPG key ID: B5690EEEBB952194
1 changed files with 11 additions and 3 deletions
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14
src/allocator/GBM.cpp
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@ -151,6 +151,8 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
if (params.scanout)
flags |= GBM_BO_USE_SCANOUT;
uint64_t modifier = DRM_FORMAT_MOD_INVALID;
if (explicitModifiers.empty()) {
allocator->backend->log(AQ_LOG_WARNING, "GBM: Using modifier-less allocation");
bo = gbm_bo_create(allocator->gbmDevice, attrs.size.x, attrs.size.y, attrs.format, flags);
@ -167,9 +169,15 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
bo = gbm_bo_create_with_modifiers(allocator->gbmDevice, attrs.size.x, attrs.size.y, attrs.format, explicitModifiers.data(), explicitModifiers.size());
}
if (!bo) {
if (explicitModifiers.size() == 1 && explicitModifiers[0] == DRM_FORMAT_MOD_LINEAR) {
bool useLinear = explicitModifiers.size() == 1 && explicitModifiers[0] == DRM_FORMAT_MOD_LINEAR;
if (bo) {
modifier = gbm_bo_get_modifier(bo);
if (useLinear && modifier == DRM_FORMAT_MOD_INVALID)
modifier = DRM_FORMAT_MOD_LINEAR;
} else {
if (useLinear) {
flags |= GBM_BO_USE_LINEAR;
modifier = DRM_FORMAT_MOD_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");
@ -183,7 +191,7 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
}
attrs.planes = gbm_bo_get_plane_count(bo);
attrs.modifier = (flags & GBM_BO_USE_LINEAR) ? DRM_FORMAT_MOD_LINEAR : gbm_bo_get_modifier(bo);
attrs.modifier = modifier;
for (size_t i = 0; i < (size_t)attrs.planes; ++i) {
attrs.strides.at(i) = gbm_bo_get_stride_for_plane(bo, i);