Add renderer scissor state contract

tools/pano_cli/main.cpp

@@ -2272,6 +2272,18 @@ int record_render(int argc, char** argv)
         return 2;
     }
 
+    const auto scissor_status = context.set_scissor(pp::renderer::ScissorRect {
+        .enabled = true,
+        .x = 0,
+        .y = 0,
+        .width = args.width,
+        .height = args.height,
+    });
+    if (!scissor_status.ok()) {
+        print_error("record-render", scissor_status.message);
+        return 2;
+    }
+
     const auto shader_status = context.bind_shader(shader);
     const auto blend_status = context.set_blend_state(pp::renderer::BlendState {
         .enabled = true,
@@ -2348,6 +2360,7 @@ int record_render(int argc, char** argv)
     }
 
     std::size_t draw_commands = 0;
+    std::size_t scissor_commands = 0;
     std::size_t blend_commands = 0;
     std::size_t bind_texture_commands = 0;
     std::size_t upload_commands = 0;
@@ -2365,6 +2378,8 @@ int record_render(int argc, char** argv)
     for (const auto& command : commands) {
         if (command.kind == pp::renderer::RecordedRenderCommandKind::draw) {
             ++draw_commands;
+        } else if (command.kind == pp::renderer::RecordedRenderCommandKind::set_scissor) {
+            ++scissor_commands;
         } else if (command.kind == pp::renderer::RecordedRenderCommandKind::set_blend_state) {
             ++blend_commands;
         } else if (command.kind == pp::renderer::RecordedRenderCommandKind::bind_texture) {
@@ -2398,6 +2413,7 @@ int record_render(int argc, char** argv)
               << ",\"format\":\"rgba8\"}"
               << ",\"commands\":" << commands.size()
               << ",\"drawCommands\":" << draw_commands
+              << ",\"scissorCommands\":" << scissor_commands
               << ",\"blendCommands\":" << blend_commands
               << ",\"bindTextureCommands\":" << bind_texture_commands
               << ",\"boundTextureBytes\":" << bound_texture_bytes