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LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter

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Before this change, we used Gfx::Bitmap to represent both decoded
images that are not going to be mutated and bitmaps corresponding
to canvases that could be mutated.

This change introduces a wrapper for bitmaps that are not going to be
mutated, so the painter could do caching: texture caching in the case
of GPU painter and potentially scaled bitmap caching in the case of CPU
painter.
This commit is contained in:
Aliaksandr Kalenik 2023-11-24 14:45:45 +01:00 • committed by Andreas Kling
parent abcf71a8ca
commit f4a5c136c3
24 changed files with 146 additions and 35 deletions
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7
Userland/Libraries/LibWeb/Painting/PaintingCommandExecutorCPU.cpp
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@ -64,6 +64,13 @@ CommandResult PaintingCommandExecutorCPU::draw_scaled_bitmap(Gfx::IntRect const&
return CommandResult::Continue;
}
CommandResult PaintingCommandExecutorCPU::draw_scaled_immutable_bitmap(Gfx::IntRect const& dst_rect, Gfx::ImmutableBitmap const& immutable_bitmap, Gfx::IntRect const& src_rect, Gfx::Painter::ScalingMode scaling_mode)
{
auto& painter = this->painter();
painter.draw_scaled_bitmap(dst_rect, immutable_bitmap.bitmap(), src_rect, 1, scaling_mode);
return CommandResult::Continue;
}
CommandResult PaintingCommandExecutorCPU::set_clip_rect(Gfx::IntRect const& rect)
{
auto& painter = this->painter();