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Provide extra tip for fixing monitor-swap error #385

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merged 3 commits into from
Oct 23, 2023
Merged

Provide extra tip for fixing monitor-swap error #385

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b976f32
Provide extra tip for fixing monitor-swap error
almarklein Oct 23, 2023
147f85b
codegen
almarklein Oct 23, 2023
f62b2b5
Merge branch 'main' into monitor-swap
Korijn Oct 23, 2023
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19 changes: 14 additions & 5 deletions wgpu/backends/rs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -431,7 +431,7 @@ def print_storage_report(topic, d):
class GPUCanvasContext(base.GPUCanvasContext):
def __init__(self, canvas):
super().__init__(canvas)
self._surface_size = (-1, -1)
self._surface_size = (-1, -1, -1)
self._surface_id = None
self._internal = None
self._current_texture = None
Expand All @@ -443,8 +443,15 @@ def get_current_texture(self):
)
if self._current_texture is None:
self._create_native_swap_chain_if_needed()
# H: WGPUTextureView f(WGPUSwapChain swapChain)
view_id = libf.wgpuSwapChainGetCurrentTextureView(self._internal)
try:
# H: WGPUTextureView f(WGPUSwapChain swapChain)
view_id = libf.wgpuSwapChainGetCurrentTextureView(self._internal)
except Exception as err:
extra_msg = "\nThis may be caused by dragging the window to a monitor with different dpi. "
extra_msg += "Resize window to proceed.\n"
err.args = (err.args[0] + extra_msg,) + err.args[1:]
raise err from None

size = self._surface_size[0], self._surface_size[1], 1
self._current_texture = GPUTextureView(
"swap_chain", view_id, self._device, None, size
Expand All @@ -465,9 +472,11 @@ def present(self):
def _create_native_swap_chain_if_needed(self):
canvas = self._get_canvas()
psize = canvas.get_physical_size()
if psize == self._surface_size:
ref_size = psize[0], psize[1], canvas.get_pixel_ratio()

if ref_size == self._surface_size:
return
self._surface_size = psize
self._surface_size = ref_size

if self._surface_id is None:
self._surface_id = get_surface_id_from_canvas(canvas)
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