From 65d1b11929f73075492a3a66da9f3710be14ac55 Mon Sep 17 00:00:00 2001
From: Anthony Ramine <n.oxyde@gmail.com>
Date: Thu, 15 Nov 2018 10:32:20 +0100
Subject: [PATCH] Make TexImage2D and TexSubImage2D struct variants

---
 components/canvas/webgl_thread.rs             | 62 ++++++++++---------
 components/canvas_traits/webgl.rs             | 23 ++++++-
 .../script/dom/webglrenderingcontext.rs       | 32 +++++-----
 3 files changed, 70 insertions(+), 47 deletions(-)

diff --git a/components/canvas/webgl_thread.rs b/components/canvas/webgl_thread.rs
index 67ac2f497891..c1839e19e322 100644
--- a/components/canvas/webgl_thread.rs
+++ b/components/canvas/webgl_thread.rs
@@ -1042,47 +1042,51 @@ impl WebGLImpl {
             WebGLCommand::SetViewport(x, y, width, height) => {
                 ctx.gl().viewport(x, y, width, height);
             },
-            WebGLCommand::TexImage2D(
+            WebGLCommand::TexImage2D {
                 target,
                 level,
-                internal,
-                width,
-                height,
-                format,
-                data_type,
-                ref chan,
-            ) => ctx.gl().tex_image_2d(
-                target,
-                level,
-                internal,
+                internal_format,
                 width,
                 height,
-                0,
                 format,
                 data_type,
-                Some(&chan.recv().unwrap()),
-            ),
-            WebGLCommand::TexSubImage2D(
-                target,
-                level,
-                xoffset,
-                yoffset,
-                x,
-                y,
-                width,
-                height,
-                ref chan,
-            ) => ctx.gl().tex_sub_image_2d(
+                ref receiver,
+            } => {
+                ctx.gl().tex_image_2d(
+                    target,
+                    level as i32,
+                    internal_format as i32,
+                    width as i32,
+                    height as i32,
+                    0,
+                    format,
+                    data_type,
+                    Some(&receiver.recv().unwrap()),
+                );
+            },
+            WebGLCommand::TexSubImage2D {
                 target,
                 level,
                 xoffset,
                 yoffset,
-                x,
-                y,
                 width,
                 height,
-                &chan.recv().unwrap(),
-            ),
+                format,
+                data_type,
+                ref receiver,
+            } => {
+                ctx.gl().tex_sub_image_2d(
+                    target,
+                    level as i32,
+                    xoffset,
+                    yoffset,
+                    width as i32,
+                    height as i32,
+                    format,
+                    data_type,
+                    &receiver.recv().unwrap(),
+                );
+            },
             WebGLCommand::DrawingBufferWidth(ref sender) => sender
                 .send(ctx.borrow_draw_buffer().unwrap().size().width)
                 .unwrap(),
diff --git a/components/canvas_traits/webgl.rs b/components/canvas_traits/webgl.rs
index 29236615b798..ae12c9410e14 100644
--- a/components/canvas_traits/webgl.rs
+++ b/components/canvas_traits/webgl.rs
@@ -272,8 +272,27 @@ pub enum WebGLCommand {
     VertexAttribPointer(u32, i32, u32, bool, i32, u32),
     VertexAttribPointer2f(u32, i32, bool, i32, u32),
     SetViewport(i32, i32, i32, i32),
-    TexImage2D(u32, i32, i32, i32, i32, u32, u32, IpcBytesReceiver),
-    TexSubImage2D(u32, i32, i32, i32, i32, i32, u32, u32, IpcBytesReceiver),
+    TexImage2D {
+        target: u32,
+        level: u32,
+        internal_format: u32,
+        width: u32,
+        height: u32,
+        format: u32,
+        data_type: u32,
+        receiver: IpcBytesReceiver,
+    },
+    TexSubImage2D {
+        target: u32,
+        level: u32,
+        xoffset: i32,
+        yoffset: i32,
+        width: u32,
+        height: u32,
+        format: u32,
+        data_type: u32,
+        receiver: IpcBytesReceiver,
+    },
     DrawingBufferWidth(WebGLSender<i32>),
     DrawingBufferHeight(WebGLSender<i32>),
     Finish(WebGLSender<()>),
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs
index 97e35b058e88..eb40bc5ac024 100644
--- a/components/script/dom/webglrenderingcontext.rs
+++ b/components/script/dom/webglrenderingcontext.rs
@@ -739,16 +739,16 @@ impl WebGLRenderingContext {
 
         // TODO(emilio): convert colorspace if requested
         let (sender, receiver) = ipc::bytes_channel().unwrap();
-        self.send_command(WebGLCommand::TexImage2D(
-            target.as_gl_constant(),
-            level as i32,
-            internal_format as i32,
-            width as i32,
-            height as i32,
+        self.send_command(WebGLCommand::TexImage2D {
+            target: target.as_gl_constant(),
+            level,
+            internal_format,
+            width,
+            height,
             format,
-            self.extension_manager.effective_type(data_type),
+            data_type: self.extension_manager.effective_type(data_type),
             receiver,
-        ));
+        });
         sender.send(&pixels).unwrap();
 
         if let Some(fb) = self.bound_framebuffer.get() {
@@ -817,17 +817,17 @@ impl WebGLRenderingContext {
 
         // TODO(emilio): convert colorspace if requested
         let (sender, receiver) = ipc::bytes_channel().unwrap();
-        self.send_command(WebGLCommand::TexSubImage2D(
-            target.as_gl_constant(),
-            level as i32,
+        self.send_command(WebGLCommand::TexSubImage2D {
+            target: target.as_gl_constant(),
+            level,
             xoffset,
             yoffset,
-            width as i32,
-            height as i32,
-            format.as_gl_constant(),
-            data_type.as_gl_constant(),
+            width,
+            height,
+            format: format.as_gl_constant(),
+            data_type: data_type.as_gl_constant(),
             receiver,
-        ));
+        });
         sender.send(&pixels).unwrap();
     }