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LibWeb/WebGL: Implement tex(Sub)Image2D with TexImageSource

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This commit is contained in:
Luke Wilde 2024-12-24 18:55:22 +00:00 • committed by Alexander Kalenik
parent f66f01ce53
commit b6bc5912d6
Notes: github-actions[bot] 2025-01-08 14:59:19 +00:00
4 changed files with 69 additions and 9 deletions
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66
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
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@ -725,7 +725,7 @@ public:
continue;
}
if (function.name == "texImage2D"sv && function.overload_index == 1) {
if (function.name == "texImage2D"sv && (function.overload_index == 1 || (webgl_version == 2 && function.overload_index == 2))) {
// FIXME: If this function is called with an ImageData whose data attribute has been neutered,
// an INVALID_VALUE error is generated.
// FIXME: If this function is called with an ImageBitmap that has been neutered, an INVALID_VALUE
@ -761,14 +761,23 @@ public:
return;
void const* pixels_ptr = bitmap->bitmap()->begin();
)~~~");
if (webgl_version == 2 && function.overload_index == 2) {
function_impl_generator.append(R"~~~(
glTexImage2D(target, level, internalformat, width, height, border, format, type, pixels_ptr);
)~~~");
} else {
function_impl_generator.append(R"~~~(
int width = bitmap->width();
int height = bitmap->height();
glTexImage2D(target, level, internalformat, width, height, 0, format, type, pixels_ptr);
)~~~");
}
continue;
}
if (webgl_version == 2 && function.name == "texImage2D"sv && function.overload_index == 2) {
if (webgl_version == 2 && function.name == "texImage2D"sv && function.overload_index == 3) {
function_impl_generator.append(R"~~~(
void const* pixels_ptr = nullptr;
if (src_data) {
@ -794,7 +803,58 @@ public:
continue;
}
if (webgl_version == 2 && function.name == "texSubImage2D"sv && function.overload_index == 1) {
if (function.name == "texSubImage2D" && (function.overload_index == 1 || (webgl_version == 2 && function.overload_index == 2))) {
// FIXME: If this function is called with an ImageData whose data attribute has been neutered,
// an INVALID_VALUE error is generated.
// FIXME: If this function is called with an ImageBitmap that has been neutered, an INVALID_VALUE
// error is generated.
// FIXME: If this function is called with an HTMLImageElement or HTMLVideoElement whose origin
// differs from the origin of the containing Document, or with an HTMLCanvasElement,
// ImageBitmap or OffscreenCanvas whose bitmap's origin-clean flag is set to false,
// a SECURITY_ERR exception must be thrown. See Origin Restrictions.
// FIXME: If source is null then an INVALID_VALUE error is generated.
function_impl_generator.append(R"~~~(
auto bitmap = source.visit(
[](GC::Root<HTMLImageElement> const& source) -> RefPtr<Gfx::ImmutableBitmap> {
return source->immutable_bitmap();
},
[](GC::Root<HTMLCanvasElement> const& source) -> RefPtr<Gfx::ImmutableBitmap> {
auto surface = source->surface();
if (!surface)
return {};
auto bitmap = MUST(Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA8888, Gfx::AlphaType::Premultiplied, surface->size()));
surface->read_into_bitmap(*bitmap);
return Gfx::ImmutableBitmap::create(*bitmap);
},
[](GC::Root<HTMLVideoElement> const& source) -> RefPtr<Gfx::ImmutableBitmap> {
return Gfx::ImmutableBitmap::create(*source->bitmap());
},
[](GC::Root<ImageBitmap> const& source) -> RefPtr<Gfx::ImmutableBitmap> {
return Gfx::ImmutableBitmap::create(*source->bitmap());
},
[](GC::Root<ImageData> const& source) -> RefPtr<Gfx::ImmutableBitmap> {
return Gfx::ImmutableBitmap::create(source->bitmap());
});
if (!bitmap)
return;
void const* pixels_ptr = bitmap->bitmap()->begin();
)~~~");
if (webgl_version == 2 && function.overload_index == 2) {
function_impl_generator.append(R"~~~(
glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels_ptr);
)~~~");
} else {
function_impl_generator.append(R"~~~(
int width = bitmap->width();
int height = bitmap->height();
glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels_ptr);
)~~~");
}
continue;
}
if (webgl_version == 2 && function.name == "texSubImage2D"sv && function.overload_index == 3) {
function_impl_generator.append(R"~~~(
void const* pixels_ptr = nullptr;
if (src_data) {