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LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter
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.
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24 changed files with 146 additions and 35 deletions
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@ -64,6 +64,13 @@ CommandResult PaintingCommandExecutorCPU::draw_scaled_bitmap(Gfx::IntRect const&
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return CommandResult::Continue;
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}
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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)
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{
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auto& painter = this->painter();
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painter.draw_scaled_bitmap(dst_rect, immutable_bitmap.bitmap(), src_rect, 1, scaling_mode);
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return CommandResult::Continue;
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}
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CommandResult PaintingCommandExecutorCPU::set_clip_rect(Gfx::IntRect const& rect)
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{
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auto& painter = this->painter();
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