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fix: just fail instead of trying dumb copy

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ref #57
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Virt 2025-02-02 19:48:03 +01:00
commit fd62146299
1 changed files with 3 additions and 52 deletions
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53
src/cursor.cpp
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@ -245,60 +245,11 @@ SP<Aquamarine::IBuffer> CDynamicCursors::renderHardware(CPointerManager* pointer
g_pHyprOpenGL->m_RenderData.pMonitor = state->monitor;
auto RBO = g_pHyprRenderer->getOrCreateRenderbuffer(buf, state->monitor->cursorSwapchain->currentOptions().format);
if (!RBO) {
// dumb copy won't work with this plugin, as we just copy the buffer, and can't apply transformations to it
Debug::log(TRACE, "Failed to create cursor RB with format {}, mod {}", buf->dmabuf().format, buf->dmabuf().modifier);
static auto PDUMB = CConfigValue<Hyprlang::INT>("cursor:allow_dumb_copy");
if (!*PDUMB)
// we just fail if we cannot create a render buffer, this will force hl to render sofware cursors, which we support
if (!RBO)
return nullptr;
auto bufData = buf->beginDataPtr(0);
auto bufPtr = std::get<0>(bufData);
// clear buffer
memset(bufPtr, 0, std::get<2>(bufData));
if (pointers->currentCursorImage.pBuffer) {
auto texAttrs = pointers->currentCursorImage.pBuffer->shm();
if (!texAttrs.success) {
Debug::log(TRACE, "Cannot use dumb copy on dmabuf cursor buffers");
return nullptr;
}
auto texData = pointers->currentCursorImage.pBuffer->beginDataPtr(GBM_BO_TRANSFER_WRITE);
auto texPtr = std::get<0>(texData);
Debug::log(TRACE, "cursor texture {}x{} {} {} {}", texAttrs.size.x, texAttrs.size.y, (void*)texPtr, texAttrs.format, texAttrs.stride);
// copy cursor texture
for (int i = 0; i < texAttrs.size.y; i++)
memcpy(bufPtr + i * buf->dmabuf().strides[0], texPtr + i * texAttrs.stride, texAttrs.stride);
} else if (pointers->currentCursorImage.surface && pointers->currentCursorImage.surface->resource()->role->role() == SURFACE_ROLE_CURSOR) {
const auto SURFACE = pointers->currentCursorImage.surface->resource();
auto& shmBuffer = CCursorSurfaceRole::cursorPixelData(SURFACE);
Debug::log(TRACE, "cursor texture pixel data length: {}B", shmBuffer.size());
if (shmBuffer.data()) {
// copy cursor texture
// assume format is 32bpp
size_t STRIDE = 4 * SURFACE->current.bufferSize.x;
for (int i = 0; i < SURFACE->current.bufferSize.y; i++)
memcpy(bufPtr + i * buf->dmabuf().strides[0], shmBuffer.data() + i * STRIDE, STRIDE);
} else {
// if there is no data, hide the cursor
memset(bufPtr, '\0', buf->size.x * buf->size.y * 4 /* assume 32bpp */);
}
} else {
Debug::log(TRACE, "Unsupported cursor buffer/surface, falling back to sw (can't dumb copy)");
return nullptr;
}
buf->endDataPtr();
return buf;
}
RBO->bind();
g_pHyprOpenGL->beginSimple(state->monitor.lock(), damage, RBO);