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		f6a9f613c7
		
	
	
	
	
		
			
			Linear gradient painting is implemented in the following way: 1. The rectangle is divided into segments where each segment represents a simple linear gradient between an adjacent pair of stops. 2. Each quad is filled separately using a fragment shader that interpolates between two colors. For now `angle` and `repeat_length` parameters are ignored.
		
			
				
	
	
		
			246 lines
		
	
	
	
		
			7.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			246 lines
		
	
	
	
		
			7.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibWeb/Painting/PaintingCommandExecutorGPU.h>
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| 
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| namespace Web::Painting {
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| 
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| PaintingCommandExecutorGPU::PaintingCommandExecutorGPU(AccelGfx::Painter& painter)
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|     : m_painter(painter)
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| {
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| }
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| 
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| PaintingCommandExecutorGPU::~PaintingCommandExecutorGPU()
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| {
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_glyph_run(Vector<Gfx::DrawGlyphOrEmoji> const& glyph_run, Color const& color)
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| {
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|     painter().draw_glyph_run(glyph_run, color);
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_text(Gfx::IntRect const&, String const&, Gfx::TextAlignment, Color const&, Gfx::TextElision, Gfx::TextWrapping, Optional<NonnullRefPtr<Gfx::Font>> const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::fill_rect(Gfx::IntRect const& rect, Color const& color)
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| {
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|     painter().fill_rect(rect, color);
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_scaled_bitmap(Gfx::IntRect const& dst_rect, Gfx::Bitmap const& bitmap, Gfx::IntRect const& src_rect, float, Gfx::Painter::ScalingMode scaling_mode)
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| {
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|     // FIXME: We should avoid using Gfx::Painter specific enums in painting commands
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|     AccelGfx::Painter::ScalingMode accel_scaling_mode;
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|     switch (scaling_mode) {
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|     case Gfx::Painter::ScalingMode::NearestNeighbor:
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|     case Gfx::Painter::ScalingMode::BoxSampling:
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|     case Gfx::Painter::ScalingMode::SmoothPixels:
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|     case Gfx::Painter::ScalingMode::None:
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|         accel_scaling_mode = AccelGfx::Painter::ScalingMode::NearestNeighbor;
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|         break;
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|     case Gfx::Painter::ScalingMode::BilinearBlend:
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|         accel_scaling_mode = AccelGfx::Painter::ScalingMode::Bilinear;
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|         break;
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|     default:
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|         VERIFY_NOT_REACHED();
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|     }
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| 
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|     painter().draw_scaled_bitmap(dst_rect, bitmap, src_rect, accel_scaling_mode);
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::set_clip_rect(Gfx::IntRect const& rect)
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| {
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|     painter().set_clip_rect(rect);
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::clear_clip_rect()
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| {
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|     painter().clear_clip_rect();
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::set_font(Gfx::Font const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::push_stacking_context(bool, float, Gfx::FloatRect const&, Gfx::FloatRect const&, Gfx::IntPoint const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::pop_stacking_context(bool, Gfx::Painter::ScalingMode)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::push_stacking_context_with_mask(Gfx::IntRect const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::pop_stacking_context_with_mask(Gfx::IntRect const&, RefPtr<Gfx::Bitmap> const&, Gfx::Bitmap::MaskKind, float)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_linear_gradient(Gfx::IntRect const& rect, Web::Painting::LinearGradientData const& data)
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| {
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|     painter().fill_rect_with_linear_gradient(rect, data.color_stops.list, data.gradient_angle, data.color_stops.repeat_length);
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_outer_box_shadow(PaintOuterBoxShadowParams const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_inner_box_shadow(PaintOuterBoxShadowParams const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_text_shadow(int, Gfx::IntRect const&, Gfx::IntRect const&, String const&, Gfx::Font const&, Color const&, int, Gfx::IntPoint const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::fill_rect_with_rounded_corners(Gfx::IntRect const&, Color const&, Gfx::AntiAliasingPainter::CornerRadius const&, Gfx::AntiAliasingPainter::CornerRadius const&, Gfx::AntiAliasingPainter::CornerRadius const&, Gfx::AntiAliasingPainter::CornerRadius const&, Optional<Gfx::FloatPoint> const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::fill_path_using_color(Gfx::Path const&, Color const&, Gfx::Painter::WindingRule, Optional<Gfx::FloatPoint> const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::fill_path_using_paint_style(Gfx::Path const&, Gfx::PaintStyle const&, Gfx::Painter::WindingRule, float, Optional<Gfx::FloatPoint> const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::stroke_path_using_color(Gfx::Path const&, Color const&, float, Optional<Gfx::FloatPoint> const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::stroke_path_using_paint_style(Gfx::Path const&, Gfx::PaintStyle const&, float, float, Optional<Gfx::FloatPoint> const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_ellipse(Gfx::IntRect const&, Color const&, int)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::fill_ellipse(Gfx::IntRect const&, Color const&, Gfx::AntiAliasingPainter::BlendMode)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_line(Color const& color, Gfx::IntPoint const& a, Gfx::IntPoint const& b, int thickness, Gfx::Painter::LineStyle, Color const&)
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| {
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|     // FIXME: Pass line style and alternate color once AccelGfx::Painter supports it
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|     painter().draw_line(a, b, thickness, color);
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_signed_distance_field(Gfx::IntRect const&, Color const&, Gfx::GrayscaleBitmap const&, float)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_progressbar(Gfx::IntRect const&, Gfx::IntRect const&, Palette const&, int, int, int, StringView const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_frame(Gfx::IntRect const&, Palette const&, Gfx::FrameStyle)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::apply_backdrop_filter(Gfx::IntRect const&, Web::CSS::ResolvedBackdropFilter const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_rect(Gfx::IntRect const&, Color const&, bool)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_radial_gradient(Gfx::IntRect const&, Web::Painting::RadialGradientData const&, Gfx::IntPoint const&, Gfx::IntSize const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::paint_conic_gradient(Gfx::IntRect const&, Web::Painting::ConicGradientData const&, Gfx::IntPoint const&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::draw_triangle_wave(Gfx::IntPoint const&, Gfx::IntPoint const&, Color const&, int, int)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::sample_under_corners(BorderRadiusCornerClipper&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| CommandResult PaintingCommandExecutorGPU::blit_corner_clipping(BorderRadiusCornerClipper&)
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| {
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|     // FIXME
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|     return CommandResult::Continue;
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| }
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| 
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| bool PaintingCommandExecutorGPU::would_be_fully_clipped_by_painter(Gfx::IntRect) const
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| {
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|     // FIXME
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|     return false;
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| }
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| 
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| void PaintingCommandExecutorGPU::prepare_glyph_texture(HashMap<Gfx::Font const*, HashTable<u32>> const& unique_glyphs)
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| {
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|     m_painter.prepare_glyph_texture(unique_glyphs);
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| }
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| 
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| }
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