d2d1/commandlist: Implement Clear() command.

dlls/d2d1/command_list.c

@@ -28,6 +28,7 @@ enum d2d_command_type
     D2D_COMMAND_SET_TRANSFORM,
     D2D_COMMAND_SET_PRIMITIVE_BLEND,
     D2D_COMMAND_SET_UNIT_MODE,
+    D2D_COMMAND_CLEAR,
     D2D_COMMAND_PUSH_CLIP,
     D2D_COMMAND_POP_CLIP,
 };
@@ -74,6 +75,12 @@ struct d2d_command_set_unit_mode
     D2D1_UNIT_MODE mode;
 };
 
+struct d2d_command_clear
+{
+    struct d2d_command c;
+    D2D1_COLOR_F color;
+};
+
 struct d2d_command_push_clip
 {
     struct d2d_command c;
@@ -199,6 +206,12 @@ static HRESULT STDMETHODCALLTYPE d2d_command_list_Stream(ID2D1CommandList *iface
                 hr = ID2D1CommandSink_SetUnitMode(sink, c->mode);
                 break;
             }
+            case D2D_COMMAND_CLEAR:
+            {
+                const struct d2d_command_clear *c = data;
+                hr = ID2D1CommandSink_Clear(sink, &c->color);
+                break;
+            }
             case D2D_COMMAND_PUSH_CLIP:
             {
                 const struct d2d_command_push_clip *c = data;
@@ -380,3 +393,13 @@ void d2d_command_list_pop_clip(struct d2d_command_list *command_list)
     command = d2d_command_list_require_space(command_list, sizeof(*command));
     command->op = D2D_COMMAND_POP_CLIP;
 }
+
+void d2d_command_list_clear(struct d2d_command_list *command_list, const D2D1_COLOR_F *color)
+{
+    struct d2d_command_clear *command;
+
+    command = d2d_command_list_require_space(command_list, sizeof(*command));
+    command->c.op = D2D_COMMAND_CLEAR;
+    if (color) command->color = *color;
+    else memset(&command->color, 0, sizeof(command->color));
+}

dlls/d2d1/d2d1_private.h

@@ -741,6 +741,7 @@ void d2d_command_list_set_transform(struct d2d_command_list *command_list,
 void d2d_command_list_push_clip(struct d2d_command_list *command_list, const D2D1_RECT_F *rect,
         D2D1_ANTIALIAS_MODE antialias_mode) DECLSPEC_HIDDEN;
 void d2d_command_list_pop_clip(struct d2d_command_list *command_list) DECLSPEC_HIDDEN;
+void d2d_command_list_clear(struct d2d_command_list *command_list, const D2D1_COLOR_F *color) DECLSPEC_HIDDEN;
 
 static inline BOOL d2d_array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
 {

dlls/d2d1/device.c

@@ -1703,7 +1703,7 @@ static void STDMETHODCALLTYPE d2d_device_context_Clear(ID2D1DeviceContext1 *ifac
 
     if (context->target.type == D2D_TARGET_COMMAND_LIST)
     {
-        FIXME("Unimplemented for command list target.\n");
+        d2d_command_list_clear(context->target.command_list, colour);
         return;
     }