LibWeb: Stub out WebGL getUniform

This makes the function return a dummy value instead of undefined
as that fixes a crash while capturing on SpectorJS.

Author: cqundefine

Libraries/LibWeb/WebGL/WebGL2RenderingContextImpl.cpp

@@ -3102,6 +3102,12 @@ Optional<String> WebGL2RenderingContextImpl::get_shader_source(GC::Root<WebGLSha
     return String::from_utf8_without_validation(ReadonlyBytes { shader_source.data(), static_cast<size_t>(shader_source_length - 1) });
 }
 
+JS::Value WebGL2RenderingContextImpl::get_uniform(GC::Root<WebGLProgram>, GC::Root<WebGLUniformLocation>)
+{
+    dbgln("FIXME: Implement get_uniform");
+    return JS::Value(0);
+}
+
 GC::Root<WebGLUniformLocation> WebGL2RenderingContextImpl::get_uniform_location(GC::Root<WebGLProgram> program, String name)
 {
     m_context->make_current();

Libraries/LibWeb/WebGL/WebGL2RenderingContextImpl.h

@@ -197,6 +197,7 @@ class WebGL2RenderingContextImpl : public WebGLRenderingContextBase {
     GC::Root<WebGLShaderPrecisionFormat> get_shader_precision_format(WebIDL::UnsignedLong shadertype, WebIDL::UnsignedLong precisiontype);
     Optional<String> get_shader_info_log(GC::Root<WebGLShader> shader);
     Optional<String> get_shader_source(GC::Root<WebGLShader> shader);
+    JS::Value get_uniform(GC::Root<WebGLProgram> program, GC::Root<WebGLUniformLocation> location);
     GC::Root<WebGLUniformLocation> get_uniform_location(GC::Root<WebGLProgram> program, String name);
     JS::Value get_vertex_attrib(WebIDL::UnsignedLong index, WebIDL::UnsignedLong pname);
     void hint(WebIDL::UnsignedLong target, WebIDL::UnsignedLong mode);

Libraries/LibWeb/WebGL/WebGLRenderingContextBase.idl

@@ -127,7 +127,7 @@ interface mixin WebGLRenderingContextBase {
 
     [FIXME] any getTexParameter(GLenum target, GLenum pname);
 
-    [FIXME] any getUniform(WebGLProgram program, WebGLUniformLocation location);
+    any getUniform(WebGLProgram program, WebGLUniformLocation location);
 
     WebGLUniformLocation? getUniformLocation(WebGLProgram program, DOMString name);
 

Libraries/LibWeb/WebGL/WebGLRenderingContextImpl.cpp

@@ -1666,6 +1666,12 @@ Optional<String> WebGLRenderingContextImpl::get_shader_source(GC::Root<WebGLShad
     return String::from_utf8_without_validation(ReadonlyBytes { shader_source.data(), static_cast<size_t>(shader_source_length - 1) });
 }
 
+JS::Value WebGLRenderingContextImpl::get_uniform(GC::Root<WebGLProgram>, GC::Root<WebGLUniformLocation>)
+{
+    dbgln("FIXME: Implement get_uniform");
+    return JS::Value(0);
+}
+
 GC::Root<WebGLUniformLocation> WebGLRenderingContextImpl::get_uniform_location(GC::Root<WebGLProgram> program, String name)
 {
     m_context->make_current();

Libraries/LibWeb/WebGL/WebGLRenderingContextImpl.h

@@ -112,6 +112,7 @@ class WebGLRenderingContextImpl : public WebGLRenderingContextBase {
     GC::Root<WebGLShaderPrecisionFormat> get_shader_precision_format(WebIDL::UnsignedLong shadertype, WebIDL::UnsignedLong precisiontype);
     Optional<String> get_shader_info_log(GC::Root<WebGLShader> shader);
     Optional<String> get_shader_source(GC::Root<WebGLShader> shader);
+    JS::Value get_uniform(GC::Root<WebGLProgram> program, GC::Root<WebGLUniformLocation> location);
     GC::Root<WebGLUniformLocation> get_uniform_location(GC::Root<WebGLProgram> program, String name);
     JS::Value get_vertex_attrib(WebIDL::UnsignedLong index, WebIDL::UnsignedLong pname);
     void hint(WebIDL::UnsignedLong target, WebIDL::UnsignedLong mode);