Auto merge of #24333 - mmatyas:webgl_fns_samplers, r=jdm

Add WebGLSampler support

Reference: https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.13

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cc @jdm @zakorgy

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1 files changed, 24 insertions, 0 deletions

diff --git a/components/canvas/webgl_thread.rs b/components/canvas/webgl_thread.rs
index 65eeff2a7c1..f8e63cd1fa3 100644
--- a/components/canvas/webgl_thread.rs
+++ b/components/canvas/webgl_thread.rs
@@ -1637,6 +1637,30 @@ impl WebGLImpl {
                 let value = ctx.gl().get_query_object_uiv(query_id.get(), pname);
                 sender.send(value).unwrap()
             },
+            WebGLCommand::GenerateSampler(ref sender) => {
+                let id = ctx.gl().gen_samplers(1)[0];
+                sender.send(unsafe { WebGLSamplerId::new(id) }).unwrap()
+            },
+            WebGLCommand::DeleteSampler(sampler_id) => {
+                ctx.gl().delete_samplers(&[sampler_id.get()]);
+            },
+            WebGLCommand::BindSampler(unit, sampler_id) => {
+                ctx.gl().bind_sampler(unit, sampler_id.get());
+            },
+            WebGLCommand::SetSamplerParameterInt(sampler_id, pname, value) => {
+                ctx.gl().sampler_parameter_i(sampler_id.get(), pname, value);
+            },
+            WebGLCommand::SetSamplerParameterFloat(sampler_id, pname, value) => {
+                ctx.gl().sampler_parameter_f(sampler_id.get(), pname, value);
+            },
+            WebGLCommand::GetSamplerParameterInt(sampler_id, pname, ref sender) => {
+                let value = ctx.gl().get_sampler_parameter_iv(sampler_id.get(), pname)[0];
+                sender.send(value).unwrap();
+            },
+            WebGLCommand::GetSamplerParameterFloat(sampler_id, pname, ref sender) => {
+                let value = ctx.gl().get_sampler_parameter_fv(sampler_id.get(), pname)[0];
+                sender.send(value).unwrap();
+            },
         }
 
         // TODO: update test expectations in order to enable debug assertions