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@@ -71,11 +71,15 @@ class TexMemWatcher(DirectObject):
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# self.quantize * self.quantize texture bytes in the Texture
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# Memory window. The Q-units are the smallest packable unit;
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# increasing self.quantize therefore reduces the visual
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- # packing resolution correspondingly.
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+ # packing resolution correspondingly. Q-units very roughly
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+ # correspond to pixels onscreen (they may be larger, sometimes
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+ # considerably larger, than 1 pixel, depending on the window
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+ # size).
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# This number defines the size of a Q-unit square, in texture
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- # bytes. It is automatically adjusted in repack().
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+ # bytes. It is automatically adjusted in repack() based on
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+ # the window size and the texture memory size.
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self.quantize = 1
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# This is the maximum number of bitmask rows (within
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@@ -103,10 +107,12 @@ class TexMemWatcher(DirectObject):
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self.gsg = gsg
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# Now open a new window just to render the output.
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- self.winSize = (300, 300)
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+ size = ConfigVariableInt('tex-mem-win-size', '300 300')
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+ origin = ConfigVariableInt('tex-mem-win-origin', '100 100')
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+ self.winSize = (size[0], size[1])
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name = 'Texture Memory'
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props = WindowProperties()
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- props.setOrigin(100, 100)
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+ props.setOrigin(origin[0], origin[1])
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props.setSize(*self.winSize)
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props.setTitle(name)
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props.setFullscreen(False)
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@@ -708,9 +714,9 @@ class TexMemWatcher(DirectObject):
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self.area = self.w * self.h
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# We store a bitarray for each row, for fast lookup for
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- # unallocated space on the canvas. Each pixel on the row
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- # corresponds to a bit in the bitarray, where bit 0 is pixel
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- # 0, bit 1 is pixel 1, and so on. If the bit is set, the
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+ # unallocated space on the canvas. Each Q-unit on the row
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+ # corresponds to a bit in the bitarray, where bit 0 is Q-unit
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+ # 0, bit 1 is Q-unit 1, and so on. If the bit is set, the
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# space is occupied.
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self.bitmasks = []
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for i in range(self.h):
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David Rose