diff options
| -rw-r--r-- | Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp | 14 | ||||
| -rw-r--r-- | Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp index 6e8bbce64d..11dd307d15 100644 --- a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp +++ b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp @@ -128,6 +128,8 @@ void VirtIOFrameBufferDevice::set_buffer(int buffer_index) return; m_current_buffer = &buffer; m_gpu.set_scanout_resource(m_scanout.value(), buffer.resource_id, display_info().rect); + m_gpu.flush_displayed_image(buffer.dirty_rect, buffer.resource_id); // QEMU SDL backend requires this (as per spec) + buffer.dirty_rect = {}; } int VirtIOFrameBufferDevice::ioctl(FileDescription&, unsigned request, FlatPtr arg) @@ -196,6 +198,18 @@ int VirtIOFrameBufferDevice::ioctl(FileDescription&, unsigned request, FlatPtr a if (&buffer == m_current_buffer) { // Flushing directly to screen flush_displayed_image(dirty_rect, buffer); + buffer.dirty_rect = {}; + } else { + if (buffer.dirty_rect.width == 0 || buffer.dirty_rect.height == 0) { + buffer.dirty_rect = dirty_rect; + } else { + auto current_dirty_right = buffer.dirty_rect.x + buffer.dirty_rect.width; + auto current_dirty_bottom = buffer.dirty_rect.y + buffer.dirty_rect.height; + buffer.dirty_rect.x = min(buffer.dirty_rect.x, dirty_rect.x); + buffer.dirty_rect.y = min(buffer.dirty_rect.y, dirty_rect.y); + buffer.dirty_rect.width = max(current_dirty_right, dirty_rect.x + dirty_rect.width) - buffer.dirty_rect.x; + buffer.dirty_rect.height = max(current_dirty_bottom, dirty_rect.y + dirty_rect.height) - buffer.dirty_rect.y; + } } } } diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h index 003ce823fd..323feecd93 100644 --- a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h +++ b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h @@ -19,6 +19,7 @@ class VirtIOFrameBufferDevice final : public BlockDevice { size_t framebuffer_offset { 0 }; u8* framebuffer_data { nullptr }; VirtIOGPUResourceID resource_id { 0 }; + VirtIOGPURect dirty_rect {}; }; public: |