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PixelPaint: BrushTool performance optimization

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This patch optimizes how the Brush-Tool modifies the pixels. The new
logic generates a "reference brush" with the required size, falloff
and color only once and uses that for the rawing operations. If no
editing mask is used the reference brush is writen via a blit operation
to the content or mask image. This increases the drawing speed and
therefore also allows bigger brush sizes.
This commit is contained in:
Torstennator 2023-07-18 14:44:00 +02:00 • committed by Sam Atkins
parent 31ee20e179
commit b9b4ca064f
3 changed files with 62 additions and 8 deletions
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10
Userland/Applications/PixelPaint/Tools/Tool.cpp
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@ -91,7 +91,10 @@ void Tool::set_pixel_with_possible_mask<Gfx::StorageFormat::BGRA8888>(int x, int
switch (m_editor->active_layer()->edit_mode()) {
case Layer::EditMode::Content:
bitmap.set_pixel<Gfx::StorageFormat::BGRA8888>(x, y, m_editor->active_layer()->modify_pixel_with_editing_mask(x, y, color, bitmap.get_pixel(x, y)));
if (m_editor->active_layer()->mask_type() == Layer::MaskType::EditingMask)
bitmap.set_pixel<Gfx::StorageFormat::BGRA8888>(x, y, m_editor->active_layer()->modify_pixel_with_editing_mask(x, y, color, bitmap.get_pixel(x, y)));
else
bitmap.set_pixel(x, y, color);
break;
case Layer::EditMode::Mask:
bitmap.set_pixel<Gfx::StorageFormat::BGRA8888>(x, y, color);
@ -106,7 +109,10 @@ void Tool::set_pixel_with_possible_mask(int x, int y, Gfx::Color color, Gfx::Bit
switch (m_editor->active_layer()->edit_mode()) {
case Layer::EditMode::Content:
bitmap.set_pixel(x, y, m_editor->active_layer()->modify_pixel_with_editing_mask(x, y, color, bitmap.get_pixel(x, y)));
if (m_editor->active_layer()->mask_type() == Layer::MaskType::EditingMask)
bitmap.set_pixel(x, y, m_editor->active_layer()->modify_pixel_with_editing_mask(x, y, color, bitmap.get_pixel(x, y)));
else
bitmap.set_pixel(x, y, color);
break;
case Layer::EditMode::Mask:
bitmap.set_pixel(x, y, color);