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LibWeb: Implement WebGL extension OES_standard_derivatives

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This commit is contained in:
Undefine
2025-11-05 21:38:41 +01:00
committed by Andreas Kling
parent 2bf35881f9
commit d4ac9fc5c6
Notes: github-actions[bot] 2025-11-06 18:04:25 +00:00 
Author: https://github.com/cqundefine
Commit: https://github.com/LadybirdBrowser/ladybird/commit/d4ac9fc5c62
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6711
Reviewed-by: https://github.com/awesomekling
12 changed files with 115 additions and 2 deletions
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16
Libraries/LibWeb/WebGL/WebGLRenderingContext.cpp
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@@ -17,6 +17,7 @@
#include <LibWeb/WebGL/Extensions/ANGLEInstancedArrays.h>
#include <LibWeb/WebGL/Extensions/EXTBlendMinMax.h>
#include <LibWeb/WebGL/Extensions/EXTTextureFilterAnisotropic.h>
#include <LibWeb/WebGL/Extensions/OESStandardDerivatives.h>
#include <LibWeb/WebGL/Extensions/OESVertexArrayObject.h>
#include <LibWeb/WebGL/Extensions/WebGLCompressedTextureS3tc.h>
#include <LibWeb/WebGL/Extensions/WebGLCompressedTextureS3tcSrgb.h>
@@ -98,6 +99,7 @@ void WebGLRenderingContext::visit_edges(Cell::Visitor& visitor)
visitor.visit(m_angle_instanced_arrays_extension);
visitor.visit(m_ext_blend_min_max_extension);
visitor.visit(m_ext_texture_filter_anisotropic);
visitor.visit(m_oes_standard_derivatives_object_extension);
visitor.visit(m_oes_vertex_array_object_extension);
visitor.visit(m_webgl_compressed_texture_s3tc_extension);
visitor.visit(m_webgl_compressed_texture_s3tc_srgb_extension);
@@ -208,6 +210,15 @@ JS::Object* WebGLRenderingContext::get_extension(String const& name)
return m_ext_texture_filter_anisotropic;
}
if (name.equals_ignoring_ascii_case("OES_standard_derivatives"sv)) {
if (!m_oes_standard_derivatives_object_extension) {
m_oes_standard_derivatives_object_extension = MUST(Extensions::OESStandardDerivatives::create(realm(), *this));
}
VERIFY(m_oes_standard_derivatives_object_extension);
return m_oes_standard_derivatives_object_extension;
}
if (name.equals_ignoring_ascii_case("OES_vertex_array_object"sv)) {
if (!m_oes_vertex_array_object_extension) {
m_oes_vertex_array_object_extension = MUST(Extensions::OESVertexArrayObject::create(realm(), *this));
@@ -279,6 +290,11 @@ bool WebGLRenderingContext::angle_instanced_arrays_extension_enabled() const
return !!m_angle_instanced_arrays_extension;
}
bool WebGLRenderingContext::oes_standard_derivatives_extension_enabled() const
{
return !!m_oes_standard_derivatives_object_extension;
}
ReadonlySpan<WebIDL::UnsignedLong> WebGLRenderingContext::enabled_compressed_texture_formats() const
{
return m_enabled_compressed_texture_formats;