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LibWeb/WebGL: Implement compressedTex(Sub)Image2D

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This commit is contained in:
Luke Wilde 2025-01-28 17:26:23 +00:00 • committed by Andreas Kling
commit 484008d440
Notes: github-actions[bot] 2025-02-09 00:01:50 +00:00
4 changed files with 64 additions and 4 deletions
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59
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
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@ -1199,6 +1199,54 @@ public:
continue;
}
if (webgl_version == 2 && function.name == "compressedTexImage2D"sv && function.overload_index == 0) {
function_impl_generator.append(R"~~~(
u8 const* pixels_ptr = src_data->viewed_array_buffer()->buffer().data();
size_t count = src_data->byte_length();
auto src_data_element_size = src_data->element_size();
if ((src_offset * src_data_element_size) + src_length_override > count) {
set_error(GL_INVALID_VALUE);
return;
}
pixels_ptr += src_data->byte_offset();
pixels_ptr += src_offset * src_data_element_size;
if (src_length_override == 0) {
count -= src_offset;
} else {
count = src_length_override;
}
glCompressedTexImage2D(target, level, internalformat, width, height, border, count, pixels_ptr);
)~~~");
continue;
}
if (webgl_version == 2 && function.name == "compressedTexSubImage2D"sv && function.overload_index == 0) {
function_impl_generator.append(R"~~~(
u8 const* pixels_ptr = src_data->viewed_array_buffer()->buffer().data();
size_t count = src_data->byte_length();
auto src_data_element_size = src_data->element_size();
if ((src_offset * src_data_element_size) + src_length_override > count) {
set_error(GL_INVALID_VALUE);
return;
}
pixels_ptr += src_data->byte_offset();
pixels_ptr += src_offset * src_data_element_size;
if (src_length_override == 0) {
count -= src_offset;
} else {
count = src_length_override;
}
glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, count, pixels_ptr);
)~~~");
continue;
}
if (function.name == "getShaderParameter"sv) {
generate_webgl_object_handle_unwrap(function_impl_generator, "shader"sv, "JS::js_null()"sv);
function_impl_generator.append(R"~~~(
@ -1998,6 +2046,17 @@ public:
} else {
VERIFY_NOT_REACHED();
}
)~~~");
gl_call_arguments.append(ByteString::formatted("byte_size"));
gl_call_arguments.append(ByteString::formatted("ptr"));
continue;
}
if (parameter.type->name() == "ArrayBufferView"sv) {
function_impl_generator.set("buffer_source_name", parameter_name);
function_impl_generator.append(R"~~~(
void const* ptr = @buffer_source_name@->viewed_array_buffer()->buffer().data() + @buffer_source_name@->byte_offset();
size_t byte_size = @buffer_source_name@->byte_length();
)~~~");
gl_call_arguments.append(ByteString::formatted("byte_size"));
gl_call_arguments.append(ByteString::formatted("ptr"));