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LibAccelGfx+LibWeb: Move glyph atlas into a singleton class

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This is going to allow us reuse glyph texture across painters and page
repaints.
This commit is contained in:
Aliaksandr Kalenik 2023-11-26 15:22:06 +01:00 • committed by Andreas Kling
parent 4b23046a22
commit 28723d8be1
6 changed files with 157 additions and 105 deletions
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30
Userland/Libraries/LibAccelGfx/Painter.h
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@ -14,6 +14,7 @@
#include <LibAccelGfx/Context.h>
#include <LibAccelGfx/Forward.h>
#include <LibAccelGfx/GL.h>
#include <LibAccelGfx/GlyphAtlas.h>
#include <LibAccelGfx/Program.h>
#include <LibGfx/AffineTransform.h>
#include <LibGfx/Font/Font.h>
@ -29,7 +30,6 @@ class Painter {
public:
static OwnPtr<Painter> create();
static OwnPtr<Painter> create_with_glyphs_texture_from_painter(Painter const& painter);
Painter(Context&);
~Painter();
@ -60,18 +60,6 @@ public:
void draw_scaled_immutable_bitmap(Gfx::IntRect const& dst_rect, Gfx::ImmutableBitmap const&, Gfx::IntRect const& src_rect, ScalingMode = ScalingMode::NearestNeighbor);
void draw_scaled_immutable_bitmap(Gfx::FloatRect const& dst_rect, Gfx::ImmutableBitmap const&, Gfx::FloatRect const& src_rect, ScalingMode = ScalingMode::NearestNeighbor);
void prepare_glyph_texture(HashMap<Gfx::Font const*, HashTable<u32>> const& unique_glyphs);
struct GlyphsTextureKey {
Gfx::Font const* font;
u32 code_point;
bool operator==(GlyphsTextureKey const& other) const
{
return font == other.font && code_point == other.code_point;
}
};
void draw_glyph_run(Vector<Gfx::DrawGlyphOrEmoji> const& glyph_run, Color const& color);
void set_clip_rect(Gfx::IntRect);
@ -118,22 +106,6 @@ private:
Program m_rounded_rectangle_program;
Program m_blit_program;
Program m_linear_gradient_program;
HashMap<GlyphsTextureKey, Gfx::IntRect> m_glyphs_texture_map;
Gfx::IntSize m_glyphs_texture_size;
GL::Texture m_glyphs_texture;
};
}
namespace AK {
template<>
struct Traits<AccelGfx::Painter::GlyphsTextureKey> : public DefaultTraits<AccelGfx::Painter::GlyphsTextureKey> {
static unsigned hash(AccelGfx::Painter::GlyphsTextureKey const& key)
{
return pair_int_hash(ptr_hash(key.font), key.code_point);
}
};
}