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LibWeb/WebGL: Implement readPixels()

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This commit is contained in:
Aliaksandr Kalenik
2024-12-10 04:58:13 +01:00
committed by Alexander Kalenik
parent c199be061a
commit 4e8ec1e793
3 changed files with 24 additions and 2 deletions
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22
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
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@@ -621,6 +621,28 @@ public:
continue;
}
if (function.name == "readPixels"sv) {
function_impl_generator.append(R"~~~(
if (!pixels) {
return;
}
void *ptr = nullptr;
if (pixels->is_data_view()) {
auto& data_view = static_cast<JS::DataView&>(*pixels->raw_object());
ptr = data_view.viewed_array_buffer()->buffer().data();
} else if (pixels->is_typed_array_base()) {
auto& typed_array_base = static_cast<JS::TypedArrayBase&>(*pixels->raw_object());
ptr = typed_array_base.viewed_array_buffer()->buffer().data();
} else {
VERIFY_NOT_REACHED();
}
glReadPixels(x, y, width, height, format, type, ptr);
)~~~");
continue;
}
if (function.name == "drawElements"sv) {
function_impl_generator.append(R"~~~(
glDrawElements(mode, count, type, reinterpret_cast<void*>(offset));