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drm: avoid using unsupported modifiers for mgpu

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This commit is contained in:
Vaxry 2024-07-12 16:18:27 +02:00
parent 815df06da2
commit 27008ef767
4 changed files with 37 additions and 3 deletions
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7
src/allocator/GBM.cpp
View file

@ -65,6 +65,9 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
const bool CURSOR = params.cursor && params.scanout;
const bool MULTIGPU = params.multigpu && params.scanout;
TRACE(allocator->backend->log(AQ_LOG_TRACE,
std::format("GBM: Allocating a buffer: size {}, format {}, cursor: {}, multigpu: {}", attrs.size, fourccToName(attrs.format), CURSOR, MULTIGPU)));
const auto FORMATS = CURSOR ? swapchain->backendImpl->getCursorFormats() : swapchain->backendImpl->getRenderFormats();
std::vector<uint64_t> explicitModifiers;
@ -95,8 +98,10 @@ Aquamarine::CGBMBuffer::CGBMBuffer(const SAllocatorBufferParams& params, Hypruti
}
// FIXME: Nvidia cannot render to linear buffers. What do?
if (MULTIGPU)
if (MULTIGPU) {
allocator->backend->log(AQ_LOG_DEBUG, "GBM: Buffer is marked as multigpu, forcing linear");
explicitModifiers = {DRM_FORMAT_MOD_LINEAR};
}
if (explicitModifiers.empty()) {
// fall back to using a linear buffer.

2
src/backend/drm/DRM.cpp
View file

@ -1358,6 +1358,8 @@ bool Aquamarine::CDRMOutput::commitState(bool onlyTest) {
auto OPTIONS = swapchain->currentOptions();
OPTIONS.multigpu = false; // this is not a shared swapchain, and additionally, don't make it linear, nvidia would be mad
OPTIONS.cursor = false;
OPTIONS.scanout = true;
if (!mgpu.swapchain->reconfigure(OPTIONS)) {
backend->backend->log(AQ_LOG_ERROR, "drm: Backend requires blit, but the mgpu swapchain failed reconfiguring");
return false;

26
src/backend/drm/Renderer.cpp
View file

@ -541,6 +541,12 @@ bool CDRMRenderer::blit(SP<IBuffer> from, SP<IBuffer> to) {
EGLImageKHR rboImage = nullptr;
GLuint rboID = 0, fboID = 0;
auto toDma = to->dmabuf();
if (!verifyDestinationDMABUF(toDma)) {
backend->log(AQ_LOG_ERROR, "EGL (blit): failed to blit: destination dmabuf unsupported");
return false;
}
{
auto attachment = to->attachments.get(AQ_ATTACHMENT_DRM_RENDERER_DATA);
if (attachment) {
@ -674,6 +680,26 @@ void CDRMRenderer::onBufferAttachmentDrop(CDRMRendererBufferAttachment* attachme
restoreEGL();
}
bool CDRMRenderer::verifyDestinationDMABUF(const SDMABUFAttrs& attrs) {
for (auto& fmt : formats) {
if (fmt.drmFormat != attrs.format)
continue;
if (fmt.modifier != attrs.modifier)
continue;
if (fmt.external) {
backend->log(AQ_LOG_ERROR, "EGL (verifyDestinationDMABUF): FAIL, format is external-only");
return false;
}
return true;
}
backend->log(AQ_LOG_ERROR, "EGL (verifyDestinationDMABUF): FAIL, format is unsupported by EGL");
return false;
}
CDRMRendererBufferAttachment::CDRMRendererBufferAttachment(Hyprutils::Memory::CWeakPointer<CDRMRenderer> renderer_, Hyprutils::Memory::CSharedPointer<IBuffer> buffer,
EGLImageKHR image, GLuint fbo_, GLuint rbo_, GLuint texid_) :
eglImage(image), fbo(fbo_), rbo(rbo_), renderer(renderer_), texid(texid_) {

1
src/backend/drm/Renderer.hpp
View file

@ -96,6 +96,7 @@ namespace Aquamarine {
EGLImageKHR createEGLImage(const SDMABUFAttrs& attrs);
std::optional<std::vector<std::pair<uint64_t, bool>>> getModsForFormat(EGLint format);
bool initDRMFormats();
bool verifyDestinationDMABUF(const SDMABUFAttrs& attrs);
bool hasModifiers = false;
Hyprutils::Memory::CWeakPointer<CBackend> backend;