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LibWeb: Make sure painter's context is active before executing commands

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In the upcoming changes, the AccelGfx context will be used for WebGL, so
we can no longer assume that the WebContent process has a single global
context.
This commit is contained in:
Aliaksandr Kalenik 2024-01-18 20:26:31 +01:00 committed by Andreas Kling
parent aac439edb1
commit c6289fad49
4 changed files with 13 additions and 0 deletions
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7
Userland/Libraries/LibWeb/Painting/PaintingCommandExecutorGPU.cpp
View file

@ -14,6 +14,7 @@ PaintingCommandExecutorGPU::PaintingCommandExecutorGPU(AccelGfx::Context& contex
: m_target_bitmap(bitmap)
, m_context(context)
{
m_context.activate();
auto canvas = AccelGfx::Canvas::create(bitmap.size());
auto painter = AccelGfx::Painter::create(m_context, canvas);
m_stacking_contexts.append({ .canvas = canvas,
@ -25,6 +26,7 @@ PaintingCommandExecutorGPU::PaintingCommandExecutorGPU(AccelGfx::Context& contex
PaintingCommandExecutorGPU::~PaintingCommandExecutorGPU()
{
m_context.activate();
VERIFY(m_stacking_contexts.size() == 1);
painter().flush(m_target_bitmap);
}
@ -418,6 +420,11 @@ void PaintingCommandExecutorGPU::prepare_glyph_texture(HashMap<Gfx::Font const*,
AccelGfx::GlyphAtlas::the().update(unique_glyphs);
}
void PaintingCommandExecutorGPU::prepare_to_execute()
{
m_context.activate();
}
void PaintingCommandExecutorGPU::update_immutable_bitmap_texture_cache(HashMap<u32, Gfx::ImmutableBitmap const*>& immutable_bitmaps)
{
painter().update_immutable_bitmap_texture_cache(immutable_bitmaps);

2
Userland/Libraries/LibWeb/Painting/PaintingCommandExecutorGPU.h
View file

@ -52,6 +52,8 @@ public:
virtual bool needs_prepare_glyphs_texture() const override { return true; }
void prepare_glyph_texture(HashMap<Gfx::Font const*, HashTable<u32>> const&) override;
virtual void prepare_to_execute() override;
bool needs_update_immutable_bitmap_texture_cache() const override { return true; }
void update_immutable_bitmap_texture_cache(HashMap<u32, Gfx::ImmutableBitmap const*>&) override;

2
Userland/Libraries/LibWeb/Painting/RecordingPainter.cpp
View file

@ -448,6 +448,8 @@ void RecordingPainter::apply_scroll_offsets(Vector<Gfx::IntPoint> const& offsets
void RecordingPainter::execute(PaintingCommandExecutor& executor)
{
executor.prepare_to_execute();
if (executor.needs_prepare_glyphs_texture()) {
HashMap<Gfx::Font const*, HashTable<u32>> unique_glyphs;
for (auto& command_with_scroll_id : m_painting_commands) {

2
Userland/Libraries/LibWeb/Painting/RecordingPainter.h
View file

@ -486,6 +486,8 @@ public:
virtual bool needs_prepare_glyphs_texture() const { return false; }
virtual void prepare_glyph_texture(HashMap<Gfx::Font const*, HashTable<u32>> const& unique_glyphs) = 0;
virtual void prepare_to_execute() { }
virtual bool needs_update_immutable_bitmap_texture_cache() const = 0;
virtual void update_immutable_bitmap_texture_cache(HashMap<u32, Gfx::ImmutableBitmap const*>&) = 0;
};