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LibWeb/WebGL: Implement uniform{1,2,3,4}{i,f}v calls for WebGL2

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Aliaksandr Kalenik 2024-12-10 09:36:54 +01:00 • committed by Alexander Kalenik
commit cfff38a176
Notes: github-actions[bot] 2024-12-13 08:20:14 +00:00
2 changed files with 38 additions and 17 deletions
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39
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
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@ -326,7 +326,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
SourceGenerator implementation_file_generator { implementation_file_string_builder };
implementation_file_generator.set("class_name", class_name);
auto webgl_version = class_name == "WebGLRenderingContext" ? 1 : 2;
auto webgl_version = class_name == "WebGLRenderingContextImpl" ? 1 : 2;
if (webgl_version == 1) {
implementation_file_generator.append(R"~~~(
#include <GLES2/gl2.h>
@ -713,17 +713,38 @@ public:
}
function_impl_generator.set("number_of_vector_elements", number_of_vector_elements);
function_impl_generator.append(R"~~~(
@cpp_element_type@ const* data = nullptr;
size_t count = 0;
if (v.has<Vector<@cpp_element_type@>>()) {
auto& data = v.get<Vector<@cpp_element_type@>>();
glUniform@number_of_vector_elements@@gl_postfix@v(location->handle(), data.size() / @number_of_vector_elements@, data.data());
return;
auto& vector = v.get<Vector<@cpp_element_type@>>();
data = vector.data();
count = vector.size();
} else if (v.has<GC::Root<WebIDL::BufferSource>>()) {
auto& typed_array_base = static_cast<JS::TypedArrayBase&>(*v.get<GC::Root<WebIDL::BufferSource>>()->raw_object());
auto& typed_array = verify_cast<JS::@typed_array_type@>(typed_array_base);
data = typed_array.data().data();
count = typed_array.array_length().length();
} else {
VERIFY_NOT_REACHED();
}
)~~~");
if (webgl_version == 2) {
function_impl_generator.append(R"~~~(
data += src_offset;
if (src_length == 0) {
count -= src_offset;
}
auto& typed_array_base = static_cast<JS::TypedArrayBase&>(*v.get<GC::Root<WebIDL::BufferSource>>()->raw_object());
auto& typed_array = verify_cast<JS::@typed_array_type@>(typed_array_base);
@cpp_element_type@ const* data = typed_array.data().data();
auto count = typed_array.array_length().length() / @number_of_vector_elements@;
glUniform@number_of_vector_elements@@gl_postfix@v(location->handle(), count, data);
if (src_offset + src_length <= count) {
set_error(GL_INVALID_VALUE);
return;
}
)~~~");
}
function_impl_generator.append(R"~~~(
glUniform@number_of_vector_elements@@gl_postfix@v(location->handle(), count / @number_of_vector_elements@, data);
)~~~");
continue;
}